/* =============================================
   NURA LAB — styles.css
   Premium scientific supplement brand
   Multipage architecture
   ============================================= */

/* ─── RESET ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
img  { max-width: 100%; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }

/* ─── TOKENS ─────────────────────────────────── */
:root {
  --bg:           #070b0d;
  --bg-2:         #0c1518;
  --bg-3:         #101c20;
  --surface:      #0e191d;
  --surface-2:    #142028;
  --border:       rgba(255,255,255,0.055);
  --border-2:     rgba(255,255,255,0.09);
  --border-hover: rgba(30,159,168,0.3);
  --teal:         #1e9fa8;
  --teal-light:   #2dcdd8;
  --teal-dim:     rgba(30,159,168,0.12);
  --teal-glow:    rgba(30,159,168,0.22);
  --teal-strong:  rgba(30,159,168,0.35);
  --text-1:       #eef3f5;
  --text-2:       #8da0a6;
  --text-3:       #456069;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --nav-h:    72px;
  --max-w:    1200px;
  --r-sm:     8px;
  --r-md:     16px;
  --r-lg:     24px;
  --r-xl:     36px;
  --r-2xl:    48px;
  --ease:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body { background:var(--bg); color:var(--text-1); font-family:var(--font-body); font-weight:300; line-height:1.7; overflow-x:hidden; }
body.menu-open {
  overflow: hidden;
}

/* ─── CURSOR ─────────────────────────────────── */
.cursor-dot,.cursor-ring { position:fixed; border-radius:50%; pointer-events:none; z-index:9999; transform:translate(-50%,-50%); }
.cursor-dot  { width:5px; height:5px; background:var(--teal-light); }
.cursor-ring { width:34px; height:34px; border:1.5px solid rgba(30,159,168,0.45); transition:width .3s var(--ease),height .3s var(--ease),border-color .3s; }
@media (hover:none) { .cursor-dot,.cursor-ring { display:none; } }

/* ─── TYPOGRAPHY ─────────────────────────────── */
h1,h2,h3,h4 { font-family:var(--font-display); font-weight:400; line-height:1.1; letter-spacing:-0.01em; }
em { font-style:italic; color:var(--teal-light); }

/* ─── BUTTONS ────────────────────────────────── */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.5rem; padding:.75rem 1.75rem; border-radius:100px; font-family:var(--font-body); font-size:.875rem; font-weight:500; letter-spacing:.02em; cursor:pointer; border:none; transition:all .3s var(--ease); white-space:nowrap; }
.btn--primary { background:var(--teal); color:#fff; }
.btn--primary:hover { background:var(--teal-light); box-shadow:0 0 40px var(--teal-glow),0 8px 24px rgba(0,0,0,.3); transform:translateY(-2px); }
.btn--outline { background:transparent; color:var(--text-1); border:1.5px solid var(--border-2); }
.btn--outline:hover { border-color:var(--teal); color:var(--teal-light); background:var(--teal-dim); }
.btn--ghost { background:transparent; color:var(--text-2); border:1.5px solid var(--border); }
.btn--ghost:hover { color:var(--text-1); border-color:var(--border-2); }
.btn--full { width:100%; }
.btn--large { padding:1rem 2.5rem; font-size:1rem; }

/* ─── SECTION HELPERS ────────────────────────── */
.section-tag { display:inline-flex; align-items:center; gap:.5rem; font-size:.72rem; font-weight:500; letter-spacing:.15em; text-transform:uppercase; color:var(--teal); margin-bottom:1.25rem; }
.section-tag::before { content:''; display:block; width:18px; height:1px; background:var(--teal); }
.section-title { font-size:clamp(2rem,4vw,3.25rem); margin-bottom:1.25rem; color:var(--text-1); }
.section-sub { font-size:1rem; color:var(--text-2); max-width:520px; line-height:1.7; }
.section-header { text-align:center; max-width:620px; margin:0 auto 4rem; display:flex; flex-direction:column; align-items:center; }

/* ─── REVEAL ─────────────────────────────────── */
.reveal { opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease),transform .8s var(--ease); }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal--delay-1 { transition-delay:.1s; }
.reveal--delay-2 { transition-delay:.2s; }
.reveal--delay-3 { transition-delay:.3s; }
.reveal--delay-4 { transition-delay:.4s; }

/* ─── FORM FIELDS ────────────────────────────── */
.contact__field { display:flex; flex-direction:column; gap:.5rem; }
.contact__field label { font-size:.75rem; font-weight:500; letter-spacing:.08em; text-transform:uppercase; color:var(--text-3); }
.contact__optional { text-transform:none; letter-spacing:0; font-weight:300; opacity:.6; }
.contact__field input,
.contact__field textarea,
.contact__field select { background:var(--surface); border:1px solid var(--border-2); border-radius:var(--r-md); padding:.875rem 1rem; font-family:var(--font-body); font-size:.9rem; font-weight:300; color:var(--text-1); outline:none; transition:border-color .3s,box-shadow .3s; resize:vertical; width:100%; }
.contact__field select { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23456069' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 1rem center; padding-right:2.5rem; cursor:pointer; }
.contact__field select option { background:var(--surface-2); color:var(--text-1); }
.contact__field input::placeholder,
.contact__field textarea::placeholder { color:var(--text-3); }
.contact__field input:focus,
.contact__field textarea:focus,
.contact__field select:focus { border-color:var(--teal); box-shadow:0 0 0 3px rgba(30,159,168,.12); }

/* ─── FORM SUCCESS ───────────────────────────── */
.form-success { display:flex; align-items:center; gap:.75rem; padding:1rem 1.25rem; background:rgba(30,159,168,.08); border:1px solid rgba(30,159,168,.2); border-radius:var(--r-md); font-size:.875rem; color:var(--teal-light); margin-top:.75rem; animation:fadeIn .4s var(--ease); }
@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

.form-error {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem;
  background: rgba(220, 80, 80, 0.08);
  border: 1px solid rgba(220, 80, 80, 0.18);
  border-radius: var(--r-md);
  font-size: .875rem;
  color: #ffb3b3;
  margin-top: .75rem;
}
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.faq__question:focus-visible {
  outline: 2px solid var(--teal-light);
  outline-offset: 3px;
}

/* ─── SCROLLBAR ──────────────────────────────── */
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--surface-2); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--teal); }

/* ═══════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════ */
.nav { position:fixed; top:0; left:0; right:0; z-index:1000; height:var(--nav-h); border-bottom:1px solid transparent; transition:background .4s,backdrop-filter .4s,border-color .4s; }
.nav.scrolled { background:rgba(7,11,13,.92); backdrop-filter:blur(28px); border-bottom-color:var(--border); }
.nav__inner { max-width:var(--max-w); margin:0 auto; padding:0 2rem; height:100%; display:flex; align-items:center; gap:2rem; }
.nav__logo { display:flex; align-items:center; }
.nav__logo-img { height:38px; width:auto; object-fit:contain; }

.nav__links { display:flex; gap:2rem; margin-left:auto; align-items:center; }
.nav__item { position:relative; }
.nav__link { font-size:.875rem; color:var(--text-2); transition:color .2s; position:relative; cursor:pointer; display:inline-flex; align-items:center; gap:.3rem; padding:.25rem 0; }
.nav__link::after { content:''; position:absolute; bottom:-4px; left:0; right:0; height:1px; background:var(--teal); transform:scaleX(0); transform-origin:left; transition:transform .3s var(--ease); }
.nav__link:hover,
.nav__link--active { color:var(--teal-light); }
.nav__link:hover::after,
.nav__link--active::after { transform:scaleX(1); }

/* nav dropdown */
.nav__arrow { width:10px; height:10px; opacity:.5; transition:transform .25s var(--ease),opacity .2s; flex-shrink:0; }
.nav__item:hover .nav__arrow { transform:rotate(180deg); opacity:.9; }
.nav__dropdown {
  position:absolute;
  top:calc(100% + 6px);
  left:50%;
  transform:translateX(-50%) translateY(-6px);
  background:rgba(10,18,22,.97);
  border:1px solid var(--border-2);
  border-radius:var(--r-lg);
  padding:.5rem;
  min-width:192px;
  opacity:0;
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
  backdrop-filter:blur(24px);
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}

.nav__dropdown::before {
  content:'';
  position:absolute;
  top:-12px;
  left:0;
  right:0;
  height:12px;
}
.nav__item:hover .nav__dropdown { opacity:1; pointer-events:auto; transform:translateX(-50%) translateY(0); }
.nav__dropdown a { display:flex; align-items:center; gap:.625rem; padding:.625rem 1rem; border-radius:var(--r-md); font-size:.85rem; color:var(--text-2); transition:background .2s,color .2s; }
.nav__dropdown a:hover { background:var(--teal-dim); color:var(--text-1); }
.nav__dropdown a.nav__link--active { background:var(--teal-dim); color:var(--text-1); }
.nav__dropdown-badge { font-size:.6rem; letter-spacing:.08em; text-transform:uppercase; background:var(--teal-dim); color:var(--teal); border:1px solid rgba(30,159,168,.2); border-radius:100px; padding:.15rem .5rem; margin-left:auto; flex-shrink:0; }

.nav__cta { margin-left:.5rem; }

.nav__burger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px; margin-left:auto; }
.nav__burger span { display:block; width:22px; height:1.5px; background:var(--text-1); transition:all .3s; }

.nav__mobile { display:none; position:fixed; inset:var(--nav-h) 0 0 0; background:var(--bg); padding:2rem; z-index:999; transform:translateX(100%); transition:transform .4s var(--ease); overflow-y:auto; }
.nav__mobile.open { transform:translateX(0); }
.nav__mobile ul { display:flex; flex-direction:column; gap:.25rem; }
.nav__mobile li a { font-size:1.1rem; color:var(--text-1); display:block; padding:.875rem 0; border-bottom:1px solid var(--border); }
.nav__mobile li a.btn { border-bottom:none; margin-top:1.5rem; text-align:center; }
.nav__mobile a.nav__link--active {
  color: var(--teal-light);
  border-bottom-color: rgba(30,159,168,.25);
}
.nav__mobile-label { font-size:.65rem; letter-spacing:.14em; text-transform:uppercase; color:var(--text-3); padding:.875rem 0 .25rem; display:block; }

/* ═══════════════════════════════════════════════
   HERO — HOME
═══════════════════════════════════════════════ */
.hero { min-height:100svh; padding-top:var(--nav-h); display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr auto; align-items:center; max-width:var(--max-w); margin:0 auto; padding-left:2rem; padding-right:2rem; position:relative; }
.hero__grid { position:fixed; inset:0; background-image:linear-gradient(rgba(30,159,168,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(30,159,168,.035) 1px,transparent 1px); background-size:56px 56px; pointer-events:none; z-index:0; }
.hero__orb { position:fixed; border-radius:50%; pointer-events:none; filter:blur(100px); z-index:0; }
.hero__orb--1 { width:700px; height:700px; top:-250px; right:-150px; background:radial-gradient(circle,rgba(30,159,168,.13) 0%,transparent 70%); }
.hero__orb--2 { width:500px; height:500px; bottom:-100px; left:-150px; background:radial-gradient(circle,rgba(30,159,168,.07) 0%,transparent 70%); }

.hero__content { grid-column:1; z-index:1; padding:5rem 0; }
.hero__label { display:inline-flex; align-items:center; gap:.5rem; font-size:.72rem; letter-spacing:.15em; text-transform:uppercase; color:var(--teal); font-weight:500; margin-bottom:1.75rem; }
.hero__label-dot { width:6px; height:6px; border-radius:50%; background:var(--teal); animation:pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow:0 0 0 0 rgba(30,159,168,.6); } 50% { box-shadow:0 0 0 8px rgba(30,159,168,0); } }
.hero__title { font-size:clamp(2.5rem,4.5vw,4.25rem); margin-bottom:1.75rem; }
.hero__sub { font-size:1rem; color:var(--text-2); margin-bottom:2.5rem; max-width:440px; line-height:1.75; }
.hero__actions { display:flex; gap:1rem; flex-wrap:wrap; margin-bottom:2.5rem; }
.hero__trust { display:flex; align-items:center; gap:.75rem; flex-wrap:wrap; }
.hero__trust-item { display:flex; align-items:center; gap:.4rem; font-size:.78rem; font-weight:400; letter-spacing:.03em; color:var(--text-3); }
.hero__trust-item svg { color:var(--teal); opacity:.7; flex-shrink:0; }
.hero__trust-sep { opacity:.25; font-size:.9rem; color:var(--text-3); }

.hero__visual { grid-column:2; display:flex; justify-content:center; align-items:center; z-index:1; position:relative; padding:4rem 0; }
.hero__product-frame { position:relative; display:flex; justify-content:center; align-items:center; }
.hero__product-glow { position:absolute; width:160px; height:240px; border-radius:50%; background:radial-gradient(circle,rgba(30,159,168,.18) 0%,transparent 68%); filter:blur(60px); animation:floatGlow 7s ease-in-out infinite; }
.hero__product-ring { position:absolute; width:280px; height:280px; border-radius:50%; border:1px solid rgba(30,159,168,.08); animation:spinRing 20s linear infinite; }
@keyframes spinRing { to { transform:rotate(360deg); } }
@keyframes floatGlow { 0%,100% { transform:scale(1); opacity:.8; } 50% { transform:scale(1.08); opacity:1; } }
.hero__product-image { width: 500px; height:auto; object-fit:contain; position:relative; z-index:1; animation:float 7s ease-in-out infinite; filter:drop-shadow(0 40px 80px rgba(0,0,0,.65)); }
@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-20px); } }

.hero__tag {
  position: absolute;
  z-index: 4;
  display: block;
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
  overflow: visible;
}


.hero__tag-main {
  background: rgba(12,21,24,.92);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(20px);
  border-radius: var(--r-md);
  padding: .625rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}

.hero__tag-detail {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  background: rgba(12,21,24,.96);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(22px);
  border-radius: var(--r-md);
  padding: .9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  box-shadow: 0 12px 36px rgba(0,0,0,.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}

.hero__tag--2 .hero__tag-detail {
  left: auto;
  right: 0;
}

.hero__tag-detail-line {
  font-size: .78rem;
  line-height: 1.45;
  color: var(--text-2);
}

.hero__tag:hover .hero__tag-main {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.tag__label { font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--teal); font-weight:500; }
.tag__value { font-size:.78rem; color:var(--text-2); }

.hero__scroll-hint { grid-column:1/-1; display:flex; flex-direction:column; align-items:center; gap:.5rem; padding-bottom:2rem; z-index:1; }
.scroll-line { width:1px; height:52px; background:linear-gradient(to bottom,var(--teal),transparent); animation:scrollAnim 2s ease-in-out infinite; }
@keyframes scrollAnim { 0% { transform:scaleY(0); transform-origin:top; opacity:1; } 50% { transform:scaleY(1); transform-origin:top; } 100% { transform:scaleY(1); transform-origin:bottom; opacity:0; } }
.hero__scroll-hint span { font-size:.62rem; letter-spacing:.2em; text-transform:uppercase; color:var(--text-3); }

/* ═══════════════════════════════════════════════
   STATS BAR
═══════════════════════════════════════════════ */
.stats { padding:4rem 2rem; border-top:1px solid var(--border); border-bottom:1px solid var(--border); background:var(--bg-2); }
.stats__inner { max-width:var(--max-w); margin:0 auto; display:flex; align-items:center; justify-content:space-around; }
.stats__item { text-align:center; flex:1; padding:1rem; }
.stats__number { font-family:var(--font-display); font-size:3rem; color:var(--teal-light); line-height:1; display:inline; }
.stats__unit { font-size:1rem; color:var(--teal); font-weight:300; }
.stats__item p { font-size:.78rem; color:var(--text-3); margin-top:.5rem; }
.stats__divider { width:1px; height:56px; background:var(--border); flex-shrink:0; }

/* ═══════════════════════════════════════════════
   PRODUCTS (home preview)
═══════════════════════════════════════════════ */
.products { padding:8rem 2rem; max-width:var(--max-w); margin:0 auto; }
.products__grid { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; margin-top:4rem; }

.product-card { position:relative; background:var(--surface); border:1px solid var(--border); border-radius:var(--r-2xl); padding:1.5rem 1.25rem 1.25rem; overflow:hidden; transition:border-color .4s,transform .4s var(--ease),box-shadow .4s; }
.product-card:hover { border-color:var(--border-hover); transform:translateY(-10px); box-shadow:0 40px 80px rgba(0,0,0,.45),0 0 60px var(--teal-dim); }
.product-card__badge { position:absolute; top:1.5rem; right:1.5rem; font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--teal); border:1px solid rgba(30,159,168,.25); background:rgba(30,159,168,.08); border-radius:100px; padding:.3rem .75rem; font-weight:500; }
.product-card__number { font-family:var(--font-display); font-size:4rem; color:rgba(30,159,168,.05); line-height:1; position:absolute; top:.5rem; left:1.5rem; z-index:0; pointer-events:none; }
.product-card__visual { position:relative; display:flex; justify-content:center; align-items:center; padding:1.25rem 0 0.75rem; z-index:1; }
@keyframes productIdleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.products__grid .product-card:nth-child(1) .product-card__visual {
  animation: productIdleFloat 5.2s ease-in-out infinite;
}

.products__grid .product-card:nth-child(2) .product-card__visual {
  animation: productIdleFloat 5.9s ease-in-out infinite .45s;
}
.product-card__glow { position:absolute; width:280px; height:280px; border-radius:50%; filter:blur(80px); opacity:0; transition:opacity .5s; }
.product-card:hover .product-card__glow { opacity:1; }
.product-card__glow--teal { background:radial-gradient(circle,rgba(30,159,168,.22) 0%,transparent 70%); }
.product-card__glow--blue { background:radial-gradient(circle,rgba(30,120,168,.22) 0%,transparent 70%); }
.product-card__image { width:250px; height:auto; object-fit:contain; display:block; margin:0 auto; position:relative; z-index:1; transition:transform .6s var(--ease); filter:drop-shadow(0 12px 24px rgba(0,0,0,.25)); }
.product-card:hover .product-card__image { transform:translateY(-6px); }
.product-card__content { z-index:1; position:relative; }
.product-card__tag { font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); font-weight:500; margin-bottom:.75rem; }
.product-card__name { font-size:2rem; color:var(--text-1); margin-bottom:.25rem; }
.product-card__formula { font-size:.8rem; color:var(--text-2); margin-bottom:.75rem; font-style:italic; }
.product-card__desc { font-size:.8rem; color:var(--text-3); line-height:1.65; margin-bottom:.75rem; font-weight:300; }
.product-card__benefits { display:flex; flex-direction:column; gap:.4rem; margin-bottom:1rem; }
.product-card__benefits li { display:flex; align-items:center; gap:.45rem; font-size:.8rem; color:var(--text-2); }
.product-card__benefits li svg { color:var(--teal); flex-shrink:0; }
.product-card__actions { display:flex; flex-direction:column; gap:.5rem; margin-top:.25rem; }
.product-card__line { position:absolute; bottom:0; left:0; right:0; height:2px; background:linear-gradient(90deg,var(--teal),var(--teal-light)); transform:scaleX(0); transform-origin:left; transition:transform .5s var(--ease); }
.product-card:hover .product-card__line { transform:scaleX(1); }

/* link to full product page */
.product-card__more { display:inline-flex; align-items:center; gap:.4rem; font-size:.78rem; color:var(--teal); margin-top:.875rem; transition:gap .2s,opacity .2s; opacity:.7; }
.product-card__more:hover { gap:.7rem; opacity:1; }

/* ═══════════════════════════════════════════════
   SCIENCE PREVIEW (home)
═══════════════════════════════════════════════ */
.science { position:relative; padding:8rem 0; overflow:hidden; background:var(--bg-2); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.science__bg { position:absolute; inset:0; pointer-events:none; }
.science__grid { position:absolute; inset:0; background-image:linear-gradient(rgba(30,159,168,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(30,159,168,.045) 1px,transparent 1px); background-size:40px 40px; mask-image:radial-gradient(ellipse at center,black 20%,transparent 80%); }
.science__inner { max-width:var(--max-w); margin:0 auto; padding:0 2rem; display:grid; grid-template-columns:1fr 1fr; gap:6rem; align-items:center; position:relative; z-index:1; }
.science__text { font-size:1rem; color:var(--text-2); margin-bottom:1rem; max-width:480px; }
.science__left .btn { margin-top:1.5rem; }
.science__diagram { background:var(--surface); border:1px solid var(--border); border-radius:var(--r-lg); padding:2rem; }
.sci-step { display:flex; align-items:flex-start; gap:1rem; padding:1rem 0; }
.sci-step__icon { width:50px; height:50px; border-radius:var(--r-sm); border:1px solid rgba(30,159,168,.18); background:rgba(30,159,168,.06); display:flex; align-items:center; justify-content:center; flex-shrink:0; transition:background .3s,border-color .3s; }
.sci-step:hover .sci-step__icon { background:rgba(30,159,168,.14); border-color:rgba(30,159,168,.35); }
.sci-step div strong { display:block; font-family:var(--font-display); font-size:1.05rem; color:var(--text-1); margin-bottom:2px; }
.sci-step div span { font-size:.82rem; color:var(--text-3); }
.sci-step__connector { width:1px; height:22px; background:linear-gradient(to bottom,var(--teal),transparent); margin-left:25px; flex-shrink:0; }

/* ═══════════════════════════════════════════════
   STANDARDS (home)
═══════════════════════════════════════════════ */
.standards { padding:8rem 0; }
.standards__grid { max-width:var(--max-w); margin:0 auto; padding:0 2rem; display:grid; grid-template-columns:repeat(2,1fr); gap:1.5rem; align-items:stretch; }
.standards__card { position:relative; background:var(--surface); border:1px solid var(--border); border-radius:var(--r-xl); padding:1.5rem; overflow:hidden; transition:border-color .3s,transform .4s var(--ease); }
.standards__card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; background:linear-gradient(90deg,transparent,var(--teal),transparent); transform:scaleX(0); transition:transform .5s var(--ease); }
.standards__card:hover { border-color:var(--border-hover); transform:translateY(-6px); }
.standards__card:hover::before { transform:scaleX(1); }
.standards__icon { width:50px; height:50px; border-radius:var(--r-sm); background:var(--teal-dim); border:1px solid rgba(30,159,168,.18); display:flex; align-items:center; justify-content:center; color:var(--teal); margin-bottom:1.25rem; transition:background .3s; }
.standards__card:hover .standards__icon { background:rgba(30,159,168,.18); }
.standards__card h3 { font-family:var(--font-display); font-size:1.15rem; color:var(--text-1); margin-bottom:.75rem; }
.standards__card p { font-size:.875rem; color:var(--text-2); line-height:1.65; }

/* ═══════════════════════════════════════════════
   FOR WHOM (home)
═══════════════════════════════════════════════ */
.forwhom { padding:8rem 2rem; background:var(--bg-2); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.forwhom__inner { max-width:var(--max-w); margin:0 auto; display:grid; grid-template-columns:1fr 1fr; gap:6rem; align-items:center; }
.forwhom__text { font-size:1rem; color:var(--text-2); margin-bottom:2rem; }
.forwhom__right { display:flex; flex-direction:column; gap:1.25rem; }
.forwhom__card { display:flex; align-items:flex-start; gap:1.25rem; background:var(--surface); border:1px solid var(--border); border-radius:var(--r-lg); padding:1.5rem; transition:border-color .3s,transform .4s var(--ease); }
.forwhom__card:hover { border-color:var(--border-hover); transform:translateX(6px); }
.forwhom__card-icon { width:44px; height:44px; flex-shrink:0; border:1px solid rgba(255,255,255,.08); border-radius:var(--r-sm); display:flex; align-items:center; justify-content:center; color:var(--text-2); transition:border-color .3s,color .3s; }
.forwhom__card:hover .forwhom__card-icon { border-color:rgba(30,159,168,.25); color:var(--teal); }
.forwhom__card h4 { font-family:var(--font-display); font-size:1.1rem; color:var(--text-1); margin-bottom:.4rem; }
.forwhom__card p { font-size:.875rem; color:var(--text-2); line-height:1.65; }

/* ═══════════════════════════════════════════════
   CTA BANNER
═══════════════════════════════════════════════ */
.cta-banner { padding:8rem 2rem; background:var(--bg-3); border-top:1px solid var(--border); text-align:center; position:relative; overflow:hidden; }
.cta-banner__inner { position:relative; z-index:1; max-width:600px; margin:0 auto; display:flex; flex-direction:column; align-items:center; gap:1.25rem; }
.cta-banner__orb { position:absolute; width:700px; height:500px; border-radius:50%; background:radial-gradient(circle,rgba(30,159,168,.1) 0%,transparent 70%); filter:blur(80px); top:50%; left:50%; transform:translate(-50%,-50%); pointer-events:none; }
.cta-banner__title { font-size:clamp(2.5rem,5vw,4.25rem); }
.cta-banner p { color:var(--text-2); max-width:420px; }
.cta-banner__btns { display:flex; gap:1rem; flex-wrap:wrap; justify-content:center; margin-top:.5rem; }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.footer { padding:5rem 2rem 2rem; background:var(--bg); border-top:1px solid var(--border); }
.footer__inner { max-width:var(--max-w); margin:0 auto; display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:4rem; padding-bottom:3rem; border-bottom:1px solid var(--border); }
.footer__logo { height:20px; width:auto; object-fit:contain; margin-bottom:1rem; }
.footer__brand p { font-size:.875rem; color:var(--text-3); line-height:1.65; }
.footer__tagline { margin-top:.5rem; font-size:.72rem !important; letter-spacing:.08em; color:var(--teal) !important; }
.footer__col h4 { font-family:var(--font-body); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--text-3); font-weight:500; margin-bottom:1rem; }
.footer__col ul { display:flex; flex-direction:column; gap:.6rem; }
.footer__col a { font-size:.875rem; color:var(--text-2); transition:color .2s; }
.footer__col a:hover { color:var(--teal-light); }
.footer__social { display:flex; align-items:center; gap:.75rem; margin-top:.25rem; }
.social-icon { width:36px; height:36px; border:1px solid var(--border); border-radius:50%; display:flex; align-items:center; justify-content:center; color:var(--text-2); transition:border-color .2s,color .2s,background .2s; }
.social-icon:hover { border-color:var(--teal); color:var(--teal-light); background:var(--teal-dim); }
.footer__bottom { max-width:var(--max-w); margin:1.5rem auto 0; display:flex; justify-content:space-between; align-items:center; font-size:.72rem; color:var(--text-3); }

/* ═══════════════════════════════════════════════
   WHATSAPP FLOATING
═══════════════════════════════════════════════ */
.whatsapp-btn { position:fixed; bottom:2rem; right:2rem; z-index:999; width:54px; height:54px; border-radius:50%; background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 20px rgba(37,211,102,.35); transition:transform .3s var(--ease),box-shadow .3s; }
.whatsapp-btn:hover { transform:scale(1.1) translateY(-3px); box-shadow:0 8px 32px rgba(37,211,102,.5); }
body.menu-open .whatsapp-btn {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

/* ═══════════════════════════════════════════════
   PAGE HERO (inner pages)
═══════════════════════════════════════════════ */
.page-hero { position:relative; padding:calc(var(--nav-h) + 5rem) 2rem 6rem; overflow:hidden; border-bottom:1px solid var(--border); text-align:center; }
.page-hero__bg { position:absolute; inset:0; background-image:linear-gradient(rgba(30,159,168,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(30,159,168,.03) 1px,transparent 1px); background-size:48px 48px; pointer-events:none; }
.page-hero__orb { position:absolute; width:600px; height:600px; top:-200px; left:50%; transform:translateX(-50%); border-radius:50%; background:radial-gradient(circle,rgba(30,159,168,.1) 0%,transparent 70%); filter:blur(100px); pointer-events:none; }
.page-hero__inner { position:relative; z-index:1; max-width:720px; margin:0 auto; }
.page-hero .section-tag { justify-content:center; }
.page-hero__title { font-size:clamp(2.5rem,5vw,4rem); margin-bottom:1.25rem; }
.page-hero__sub { font-size:1.05rem; color:var(--text-2); max-width:560px; margin:0 auto; line-height:1.75; }

/* ═══════════════════════════════════════════════
   LEGAL PAGES
═══════════════════════════════════════════════ */
.container { max-width:760px; margin:0 auto; padding:0 1.5rem; }
.legal-content { padding:5rem 2rem 7rem; }
.legal-content h2 { font-family:var(--font-serif); font-size:1.35rem; color:var(--text-1); margin:2.5rem 0 .75rem; border-bottom:1px solid var(--border); padding-bottom:.5rem; }
.legal-content h2:first-child { margin-top:0; }
.legal-content p { color:var(--text-2); line-height:1.8; margin-bottom:1rem; font-size:.975rem; }
.legal-content ul, .legal-content ol { color:var(--text-2); line-height:1.8; margin:0 0 1rem 1.25rem; font-size:.975rem; }
.legal-content li { margin-bottom:.4rem; }
.legal-content a { color:var(--accent); text-decoration:none; }
.legal-content a:hover { text-decoration:underline; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width:1024px) {
  .standards__grid { grid-template-columns:repeat(2,1fr); }
  .footer__inner { grid-template-columns:1fr 1fr; gap:2.5rem; }
  .science__inner { gap:4rem; }
  .forwhom__inner { gap:4rem; }
}

@media (max-width:768px) {
  .nav__links,.nav__cta { display:none; }
  .nav__burger { display:flex; }
  .nav__mobile { display:block; }

  .hero { grid-template-columns:1fr; text-align:center; padding-top:calc(var(--nav-h) + 2rem); }
  .hero__content { grid-column:1; order:2; padding-top:0; }
  .hero__visual { grid-column:1; order:1; }
  .hero__sub { margin:0 auto 2rem; }
  .hero__trust { justify-content:center; margin:0 auto 2rem; }
  .hero__actions { justify-content:center; }
  .hero__tag { display:none; }
  .hero__scroll-hint { order:3; }

  .products__grid { grid-template-columns:1fr; }
  .science__inner { grid-template-columns:1fr; gap:3rem; }
  .standards__grid { grid-template-columns:1fr; }
  .forwhom__inner { grid-template-columns:1fr; gap:3rem; }

  .stats__inner { flex-wrap:wrap; }
  .stats__divider { display:none; }
  .stats__item { flex:0 0 50%; }

  .footer__inner { grid-template-columns:1fr; gap:2rem; }
  .footer__bottom { flex-direction:column; gap:.5rem; text-align:center; }

  .cta-banner__btns { flex-direction:column; align-items:center; }

  .whatsapp-btn { bottom:1.25rem; right:1.25rem; width:48px; height:48px; }
  .page-hero { padding-top:calc(var(--nav-h) + 3rem); }
}

@media (max-width:480px) {
  .hero__title { font-size:2.1rem; }
  .product-card { padding:1.5rem; }
  .stats__item { flex:0 0 100%; }
  .page-hero__title { font-size:2rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .cursor-dot,
  .cursor-ring {
    display: none !important;
  }
}

/* =============================================
   PAGE — CIENCIA
   ============================================= */
    
   /* ── CIENCIA PAGE ── */

    /* Process steps — vertical timeline */
    .process {
      padding: 8rem 2rem;
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .process__grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      margin-top: 4rem;
    }
    .process__card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-xl);
      padding: 2rem;
      position: relative;
      overflow: hidden;
      transition: border-color .3s, transform .4s var(--ease);
    }
    .process__card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--teal), transparent);
      transform: scaleX(0);
      transition: transform .5s var(--ease);
    }
    .process__card:hover { border-color: var(--border-hover); transform: translateY(-5px); }
    .process__card:hover::before { transform: scaleX(1); }
    .process__card-num {
      font-family: var(--font-display);
      font-size: 3.5rem;
      color: rgba(30,159,168,.07);
      line-height: 1;
      position: absolute;
      top: 1.25rem; right: 1.5rem;
      pointer-events: none;
    }
    .process__icon {
      width: 52px; height: 52px;
      border-radius: var(--r-sm);
      background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.18);
      display: flex; align-items: center; justify-content: center;
      color: var(--teal);
      margin-bottom: 1.5rem;
    }
    .process__card h3 {
      font-family: var(--font-display);
      font-size: 1.25rem;
      color: var(--text-1);
      margin-bottom: .75rem;
    }
    .process__card p {
      font-size: .9rem;
      color: var(--text-2);
      line-height: 1.7;
    }
        /* ── PRINCIPLES (full-width alternating rows) ── */
    .principles {
      padding: 8rem 2rem;
      background: var(--bg-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .principles__list {
      max-width: var(--max-w);
      margin: 4rem auto 0;
      display: flex;
      flex-direction: column;
      gap: 1px;
    }
    .principle {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      margin-bottom: 1rem;
      background: var(--surface);
      transition: border-color .3s;
    }
    .principle:hover { border-color: var(--border-hover); }
    .principle__label {
      padding: 2rem 2.5rem;
      border-right: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: .75rem;
    }
    .principle__num {
      font-size: .65rem;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: var(--teal);
      font-weight: 500;
    }
    .principle__label h3 {
      font-family: var(--font-display);
      font-size: 1.35rem;
      color: var(--text-1);
      line-height: 1.2;
    }
    .principle__body {
      padding: 2rem 2.5rem;
      display: flex;
      align-items: center;
    }
    .principle__body p {
      font-size: .95rem;
      color: var(--text-2);
      line-height: 1.7;
    }

    /* ── AVOIDANCE (lo que no hacemos) ── */
    .avoidance {
      padding: 8rem 2rem;
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .avoidance__grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
      margin-top: 4rem;
    }
    .avoid-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-xl);
      padding: 1.75rem;
      transition: border-color .3s;
    }
    .avoid-card:hover { border-color: var(--border-hover); }
    .avoid-card__cross {
      width: 36px; height: 36px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,.08);
      display: flex; align-items: center; justify-content: center;
      color: var(--text-3);
      margin-bottom: 1rem;
      font-size: 1.1rem;
      line-height: 1;
    }
    .avoid-card h4 {
      font-family: var(--font-display);
      font-size: 1rem;
      color: var(--text-1);
      margin-bottom: .5rem;
    }
    .avoid-card p {
      font-size: .85rem;
      color: var(--text-3);
      line-height: 1.65;
    }

    /* ── QUALITY STANDARDS ── */
    .quality {
      padding: 8rem 2rem;
      background: var(--bg-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    /* reuses .standards__grid and .standards__card from styles.css */

    /* ── SCIENCE DIAGRAM full ── */
    .sci-flow {
      padding: 8rem 2rem;
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .sci-flow__inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
      align-items: center;
      margin-top: 4rem;
    }
    .sci-flow__text p {
      font-size: 1rem;
      color: var(--text-2);
      line-height: 1.75;
      margin-bottom: 1rem;
    }
    .sci-flow__diagram {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 2.5rem;
    }
    .sci-step { display: flex; align-items: flex-start; gap: 1rem; padding: 1rem 0; }
    .sci-step__icon {
      width: 50px; height: 50px;
      border-radius: var(--r-sm);
      border: 1px solid rgba(30,159,168,.18);
      background: rgba(30,159,168,.06);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      transition: background .3s, border-color .3s;
    }
    .sci-step:hover .sci-step__icon { background: rgba(30,159,168,.14); border-color: rgba(30,159,168,.35); }
    .sci-step div strong { display: block; font-family: var(--font-display); font-size: 1.05rem; color: var(--text-1); margin-bottom: 2px; }
    .sci-step div span { font-size: .82rem; color: var(--text-3); }
    .sci-step__connector { width: 1px; height: 22px; background: linear-gradient(to bottom, var(--teal), transparent); margin-left: 25px; flex-shrink: 0; }

    /* ── CTA CIENCIA ── */
    .sci-cta {
      padding: 8rem 2rem;
      background: var(--bg-3);
      border-top: 1px solid var(--border);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .sci-cta__orb {
      position: absolute;
      width: 700px; height: 500px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(30,159,168,.09) 0%, transparent 70%);
      filter: blur(80px);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }
    .sci-cta__inner {
      position: relative; z-index: 1;
      max-width: 560px; margin: 0 auto;
      display: flex; flex-direction: column; align-items: center; gap: 1.25rem;
    }
    .sci-cta__title { font-size: clamp(2rem, 4vw, 3.25rem); }
    .sci-cta p { color: var(--text-2); max-width: 440px; }
    .sci-cta__btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; margin-top: .5rem; }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .process__grid { grid-template-columns: 1fr; }
      .principle { grid-template-columns: 1fr; }
      .principle__label { border-right: none; border-bottom: 1px solid var(--border); }
      .avoidance__grid { grid-template-columns: 1fr 1fr; }
      .sci-flow__inner { grid-template-columns: 1fr; gap: 3rem; }
    }
    @media (max-width: 600px) {
      .avoidance__grid { grid-template-columns: 1fr; }
    }

    /* =============================================
   PAGE — CONTACTO
   ============================================= */

    /* ── CONTACTO PAGE ── */

    .contacto-wrap {
      padding: 8rem 2rem;
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .contacto-inner {
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 6rem;
      align-items: start;
    }

    /* Left — info sidebar */
    .contacto-info__desc {
      font-size: 1rem;
      color: var(--text-2);
      line-height: 1.75;
      margin-bottom: 2.5rem;
    }

    .contacto-channels {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      margin-bottom: 2.5rem;
    }
    .contacto-channel {
      display: flex;
      align-items: center;
      gap: 1rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.1rem 1.25rem;
      transition: border-color .3s, transform .3s var(--ease);
      text-decoration: none;
      color: inherit;
    }
    .contacto-channel:hover { border-color: var(--border-hover); transform: translateX(4px); }
    .contacto-channel__icon {
      width: 40px; height: 40px;
      border-radius: var(--r-sm);
      background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.18);
      display: flex; align-items: center; justify-content: center;
      color: var(--teal);
      flex-shrink: 0;
    }
    .contacto-channel__body {}
    .contacto-channel__label {
      font-size: .65rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--text-3);
      font-weight: 500;
      margin-bottom: .1rem;
    }
    .contacto-channel__value {
      font-size: .9rem;
      color: var(--text-1);
    }

    .contacto-social { margin-bottom: 2rem; }
    .contacto-social-label {
      font-size: .65rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--text-3);
      font-weight: 500;
      margin-bottom: .875rem;
    }
    .contacto-social-links { display: flex; gap: .75rem; }

    .contacto-response {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.25rem 1.5rem;
      display: flex;
      align-items: flex-start;
      gap: .875rem;
    }
    .contacto-response__icon {
      width: 32px; height: 32px;
      border-radius: 50%;
      border: 1px solid rgba(30,159,168,.2);
      background: var(--teal-dim);
      display: flex; align-items: center; justify-content: center;
      color: var(--teal);
      flex-shrink: 0;
    }
    .contacto-response__body {}
    .contacto-response__title {
      font-family: var(--font-display);
      font-size: .95rem;
      color: var(--text-1);
      margin-bottom: .2rem;
    }
    .contacto-response__desc {
      font-size: .82rem;
      color: var(--text-3);
      line-height: 1.55;
    }

    /* Right — form */
    .contacto-form-wrap {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-2xl);
      padding: 2.5rem;
    }
    .contacto-form-title {
      font-family: var(--font-display);
      font-size: 1.5rem;
      color: var(--text-1);
      margin-bottom: .4rem;
    }
    .contacto-form-sub {
      font-size: .875rem;
      color: var(--text-2);
      margin-bottom: 2rem;
      line-height: 1.6;
    }

    /* type selector */
    .contact__type-selector {
      display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 2rem;
    }
    .contact__type-btn {
      background: transparent; border: 1px solid var(--border-2); color: var(--text-3);
      padding: .4rem 1rem; border-radius: 100px; font-size: .78rem;
      font-family: var(--font-body); cursor: pointer; letter-spacing: .02em; transition: all .25s ease;
    }
    .contact__type-btn:hover { border-color: var(--border-hover); color: var(--text-2); }
    .contact__type-btn.active { border-color: var(--teal); color: var(--teal); background: var(--teal-dim); }

    .contacto-form { display: flex; flex-direction: column; gap: 1.25rem; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }

    /* mayorista quick-link */
    .contacto-mayorista-note {
      margin-top: 2rem;
      padding: 1.25rem 1.5rem;
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
    }
    .contacto-mayorista-note p {
      font-size: .85rem;
      color: var(--text-2);
      margin: 0;
    }
    .contacto-mayorista-note a {
      font-size: .82rem;
      color: var(--teal);
      white-space: nowrap;
      transition: color .2s;
    }
    .contacto-mayorista-note a:hover { color: var(--teal-light); }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .contacto-inner { grid-template-columns: 1fr; gap: 4rem; }
      .form-row { grid-template-columns: 1fr; }
    }

    /* =============================================
   PAGE — MAYORISTAS
   ============================================= */

   /* ── MAYORISTAS PAGE ── */

    /* Two-column layout: info + form */
    .distrib {
      padding: 8rem 2rem;
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .distrib__inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
      align-items: start;
    }

    /* Left column */
    .distrib__text {
      font-size: 1rem;
      color: var(--text-2);
      line-height: 1.75;
      margin-bottom: 2rem;
    }
    .distrib__benefits {
      display: flex;
      flex-direction: column;
      gap: .875rem;
      margin-bottom: 2.5rem;
    }
    .distrib__benefit {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.25rem 1.5rem;
      transition: border-color .3s;
    }
    .distrib__benefit:hover { border-color: var(--border-hover); }
    .distrib__benefit-icon {
      width: 40px; height: 40px;
      border-radius: var(--r-sm);
      background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.18);
      display: flex; align-items: center; justify-content: center;
      color: var(--teal);
      flex-shrink: 0;
    }
    .distrib__benefit-body {}
    .distrib__benefit-title {
      font-family: var(--font-display);
      font-size: 1rem;
      color: var(--text-1);
      margin-bottom: .2rem;
    }
    .distrib__benefit-desc {
      font-size: .85rem;
      color: var(--text-2);
      line-height: 1.6;
    }

    /* Channels */
    .distrib__channels {
      display: flex;
      flex-direction: column;
      gap: .5rem;
      margin-bottom: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border);
    }
    .distrib__channels-label {
      font-size: .65rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--text-3);
      font-weight: 500;
      margin-bottom: .5rem;
    }
    .distrib__channel-tag {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      font-size: .82rem;
      color: var(--text-2);
    }
    .distrib__channel-tag svg { color: var(--teal); flex-shrink: 0; opacity: .7; }
    .distrib__channels-row {
      display: flex;
      flex-wrap: wrap;
      gap: .6rem;
    }
    .distrib__channels-pill {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      font-size: .78rem;
      color: var(--text-2);
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 100px;
      padding: .35rem .875rem;
    }

    /* Right column — form */
    .distrib__form-wrap {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-2xl);
      padding: 2.5rem;
    }
    .distrib__form-title {
      font-family: var(--font-display);
      font-size: 1.5rem;
      color: var(--text-1);
      margin-bottom: .5rem;
    }
    .distrib__form-sub {
      font-size: .875rem;
      color: var(--text-2);
      line-height: 1.6;
      margin-bottom: 2rem;
    }
    .distrib__form {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
    }

    /* Alt contact block */
    .distrib__alt {
      margin-top: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 1.25rem;
      flex-wrap: wrap;
    }
    .distrib__alt p { font-size: .8rem; color: var(--text-3); margin: 0; }
    .distrib__alt-link {
      display: flex; align-items: center; gap: .45rem;
      font-size: .82rem; color: var(--text-2); transition: color .2s;
    }
    .distrib__alt-link:hover { color: var(--teal-light); }
    .distrib__alt-link svg { flex-shrink: 0; opacity: .7; }

    /* Volumes table */
    .volumes {
      padding: 8rem 2rem;
      background: var(--bg-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .volumes__inner { max-width: var(--max-w); margin: 0 auto; }
    .volumes__grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
      margin-top: 4rem;
    }
    .volume-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-xl);
      padding: 2rem;
      text-align: center;
      transition: border-color .3s, transform .4s var(--ease);
      position: relative;
      overflow: hidden;
    }
    .volume-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, transparent, var(--teal), transparent);
      transform: scaleX(0); transition: transform .5s var(--ease);
    }
    .volume-card:hover { border-color: var(--border-hover); transform: translateY(-5px); }
    .volume-card:hover::before { transform: scaleX(1); }
    .volume-card__range {
      font-family: var(--font-display);
      font-size: 2rem;
      color: var(--teal-light);
      margin-bottom: .25rem;
      line-height: 1;
    }
    .volume-card__label {
      font-size: .75rem;
      color: var(--text-3);
      letter-spacing: .06em;
      margin-bottom: 1.25rem;
    }
    .volume-card__features {
      display: flex;
      flex-direction: column;
      gap: .5rem;
      text-align: left;
    }
    .volume-card__features li {
      display: flex; align-items: center; gap: .5rem;
      font-size: .82rem; color: var(--text-2);
    }
    .volume-card__features li svg { color: var(--teal); flex-shrink: 0; }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .distrib__inner { grid-template-columns: 1fr; gap: 4rem; }
      .volumes__grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
    }

    /* =============================================
   PAGE — MG SYSTEM
   ============================================= */

    /* ── MG SYSTEM PAGE STYLES ── */

    /* Hero producto */
    .prod-hero {
      position: relative;
      min-height: 92vh;
      padding-top: var(--nav-h);
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 4rem;
      max-width: var(--max-w);
      margin: 0 auto;
      padding-left: 2rem;
      padding-right: 2rem;
      overflow: hidden;
    }
    .prod-hero__bg {
      position: fixed;
      inset: 0;
      background-image:
        linear-gradient(rgba(30,159,168,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,159,168,.03) 1px, transparent 1px);
      background-size: 56px 56px;
      pointer-events: none;
      z-index: 0;
    }
    .prod-hero__orb {
      position: fixed;
      border-radius: 50%;
      pointer-events: none;
      filter: blur(100px);
      z-index: 0;
    }
    .prod-hero__orb--1 {
      width: 600px; height: 600px;
      top: -200px; right: -100px;
      background: radial-gradient(circle, rgba(30,159,168,.12) 0%, transparent 70%);
    }
    .prod-hero__orb--2 {
      width: 400px; height: 400px;
      bottom: -100px; left: -100px;
      background: radial-gradient(circle, rgba(30,159,168,.06) 0%, transparent 70%);
    }
    .prod-hero__content { position: relative; z-index: 1; padding: 5rem 0; }
    .prod-hero__back {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      font-size: .78rem;
      color: var(--text-3);
      margin-bottom: 2rem;
      transition: color .2s;
    }
    .prod-hero__back:hover { color: var(--teal); }
    .prod-hero__back svg { flex-shrink: 0; }
    .prod-hero__badge {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      font-size: .68rem;
      font-weight: 500;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--teal);
      border: 1px solid rgba(30,159,168,.25);
      background: rgba(30,159,168,.07);
      border-radius: 100px;
      padding: .35rem .9rem;
      margin-bottom: 1.5rem;
    }
    .prod-hero__badge-dot {
      width: 5px; height: 5px;
      border-radius: 50%;
      background: var(--teal);
      animation: pulse 2s infinite;
    }
    .prod-hero__title {
      font-size: clamp(3rem, 5.5vw, 5rem);
      margin-bottom: .5rem;
      line-height: 1;
    }
    .prod-hero__subtitle {
      font-family: var(--font-display);
      font-size: clamp(1rem, 2vw, 1.35rem);
      color: var(--text-2);
      font-style: italic;
      margin-bottom: 1.75rem;
    }
    .prod-hero__desc {
      font-size: 1rem;
      color: var(--text-2);
      max-width: 460px;
      line-height: 1.75;
      margin-bottom: 2.5rem;
    }
    .prod-hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
    .prod-hero__trust {
      display: flex;
      align-items: center;
      gap: .75rem;
      flex-wrap: wrap;
      padding-top: 1.75rem;
      border-top: 1px solid var(--border);
    }
    .prod-hero__trust-item {
      display: flex;
      align-items: center;
      gap: .4rem;
      font-size: .75rem;
      color: var(--text-3);
    }
    .prod-hero__trust-item svg { color: var(--teal); opacity: .7; flex-shrink: 0; }
    .prod-hero__trust-sep { color: var(--text-3); opacity: .25; }

    /* Visual hero producto */
    .prod-hero__visual {
      position: relative;
      z-index: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 5rem 0;
    }
    .prod-hero__frame {
      position: relative;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .prod-hero__glow {
      position: absolute;
      width: 220px; height: 340px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(30,159,168,.2) 0%, transparent 68%);
      filter: blur(60px);
      animation: floatGlow 7s ease-in-out infinite;
    }
    .prod-hero__ring {
      position: absolute;
      width: 340px; height: 340px;
      border-radius: 50%;
      border: 1px solid rgba(30,159,168,.07);
      animation: spinRing 24s linear infinite;
    }
    .prod-hero__ring--2 {
      width: 430px; height: 430px;
      border-color: rgba(30,159,168,.04);
      animation-duration: 36s;
      animation-direction: reverse;
    }
    .prod-hero__img {
      width: 280px;
      height: auto;
      object-fit: contain;
      position: relative;
      z-index: 1;
      animation: float 7s ease-in-out infinite;
      filter: drop-shadow(0 40px 80px rgba(0,0,0,.65));
    }
    .prod-hero__tag {
      position: absolute;
      background: rgba(12,21,24,.92);
      border: 1px solid var(--border-2);
      backdrop-filter: blur(20px);
      border-radius: var(--r-md);
      padding: .625rem 1rem;
      display: flex;
      flex-direction: column;
      gap: 2px;
      z-index: 2;
      box-shadow: 0 8px 32px rgba(0,0,0,.3);
    }
    .prod-hero__tag--1 { left: -10px; top: 25%; }
    .prod-hero__tag--2 { right: -10px; bottom: 25%; }
    .prod-hero__tag.hero__tag {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
  overflow: visible;
  z-index: 5;
}
.prod-hero__tag--3 {
  left: -6px;
  bottom: 18%;
}

.prod-hero__tag--4 {
  right: -6px;
  top: 18%;
}

.prod-hero__tag--3.hero__tag .hero__tag-detail {
  top: auto;
  bottom: calc(100% + 10px);
  left: 0;
  right: auto;
}

.prod-hero__tag--4.hero__tag .hero__tag-detail {
  top: calc(100% + 10px);
  bottom: auto;
  left: auto;
  right: 0;
}

.prod-hero--focus .prod-hero__tag--1 {
  left: -28px;
  top: 24%;
}

.prod-hero--focus .prod-hero__tag--2 {
  right: -26px;
  bottom: 18%;
}

.prod-hero--focus .prod-hero__tag--3 {
  left: -18px;
  bottom: 20%;
}

.prod-hero--focus .prod-hero__tag--4 {
  right: -12px;
  top: 18%;
}

.prod-hero--focus .prod-hero__tag--1.hero__tag .hero__tag-detail {
  top: calc(100% + 10px);
  bottom: auto;
  left: 0;
  right: auto;
}

.prod-hero--focus .prod-hero__tag--2.hero__tag .hero__tag-detail {
  top: auto;
  bottom: calc(100% + 10px);
  left: auto;
  right: 0;
}

.prod-hero--focus .prod-hero__tag--3.hero__tag .hero__tag-detail {
  top: auto;
  bottom: calc(100% + 10px);
  left: 0;
  right: auto;
}

.prod-hero--focus .prod-hero__tag--4.hero__tag .hero__tag-detail {
  top: calc(100% + 10px);
  bottom: auto;
  left: auto;
  right: 0;
}

.prod-hero__tag.hero__tag .hero__tag-main {
  background: rgba(12,21,24,.92);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(20px);
  border-radius: var(--r-md);
  padding: .625rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.prod-hero__tag--1.hero__tag .hero__tag-detail {
  left: 0;
  right: auto;
}

.prod-hero__tag--2.hero__tag .hero__tag-detail {
  top: auto;
  bottom: calc(100% + 10px);
  left: auto;
  right: 0;
}

.prod-hero__tag.hero__tag .hero__tag-detail {
  min-width: 260px;
}

    /* ── BENEFITS ── */
    .benefits {
      padding: 8rem 2rem;
      background: var(--bg-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .benefits__inner {
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .benefits__grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.25rem;
      margin-top: 4rem;
    }
    .benefit-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-xl);
      padding: 1.75rem;
      position: relative;
      overflow: hidden;
      transition: border-color .3s, transform .4s var(--ease);
    }
    .benefit-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--teal), transparent);
      transform: scaleX(0);
      transition: transform .5s var(--ease);
    }
    .benefit-card:hover { border-color: var(--border-hover); transform: translateY(-5px); }
    .benefit-card:hover::before { transform: scaleX(1); }
    .benefit-card__icon {
      width: 48px; height: 48px;
      border-radius: var(--r-sm);
      background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.18);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--teal);
      margin-bottom: 1.25rem;
    }
    .benefit-card h3 {
      font-family: var(--font-display);
      font-size: 1.15rem;
      color: var(--text-1);
      margin-bottom: .6rem;
    }
    .benefit-card p {
      font-size: .875rem;
      color: var(--text-2);
      line-height: 1.65;
    }

    /* ── FORMULA ── */
    .formula {
      padding: 8rem 2rem;
      max-width: var(--max-w);
      margin: 0 auto;
    }
    .formula__inner {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
      align-items: start;
      margin-top: 4rem;
    }
    .formula__list { display: flex; flex-direction: column; gap: 1rem; }
    .formula__item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      padding: 1.25rem 1.5rem;
      display: flex;
      gap: 1.25rem;
      align-items: flex-start;
      transition: border-color .3s;
    }
    .formula__item:hover { border-color: var(--border-hover); }
    .formula__item-num {
      font-family: var(--font-display);
      font-size: 1.5rem;
      color: rgba(30,159,168,.18);
      line-height: 1;
      flex-shrink: 0;
      min-width: 28px;
    }
    .formula__item-body {}
    .formula__item-name {
      font-family: var(--font-display);
      font-size: 1rem;
      color: var(--text-1);
      margin-bottom: .25rem;
    }
    .formula__item-role {
      font-size: .82rem;
      color: var(--teal);
      font-weight: 500;
      margin-bottom: .3rem;
      letter-spacing: .02em;
    }
    .formula__item-desc {
      font-size: .82rem;
      color: var(--text-3);
      line-height: 1.6;
    }
    .formula__excipients {
      margin-top: 1.5rem;
      padding: 1rem 1.25rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-md);
    }
    .formula__excipients-label {
      font-size: .65rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--text-3);
      font-weight: 500;
      margin-bottom: .4rem;
    }
    .formula__excipients p {
      font-size: .8rem;
      color: var(--text-3);
      line-height: 1.6;
    }

    /* Science sidebar */
    .formula__science {
      position: sticky;
      top: calc(var(--nav-h) + 2rem);
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    .sci-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-xl);
      padding: 1.5rem;
    }
    .sci-card__label {
      font-size: .65rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--teal);
      font-weight: 500;
      margin-bottom: 1rem;
    }
    .sci-card h4 {
      font-family: var(--font-display);
      font-size: 1.05rem;
      color: var(--text-1);
      margin-bottom: .6rem;
    }
    .sci-card p {
      font-size: .85rem;
      color: var(--text-2);
      line-height: 1.65;
    }
    .sci-card__list {
      display: flex;
      flex-direction: column;
      gap: .5rem;
      margin-top: .75rem;
    }
    .sci-card__list li {
      display: flex;
      align-items: center;
      gap: .5rem;
      font-size: .82rem;
      color: var(--text-2);
    }
    .sci-card__list li svg { color: var(--teal); flex-shrink: 0; }

    /* ── USAGE ── */
    .usage {
      padding: 8rem 2rem;
      background: var(--bg-2);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .usage__inner {
      max-width: var(--max-w);
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
      align-items: center;
    }
    .usage__steps { display: flex; flex-direction: column; gap: 0; margin-top: 2rem; }
    .usage__step {
      display: flex;
      gap: 1.25rem;
      align-items: flex-start;
      padding: 1.25rem 0;
      border-bottom: 1px solid var(--border);
    }
    .usage__step:last-child { border-bottom: none; }
    .usage__step-num {
      width: 36px; height: 36px;
      border-radius: 50%;
      background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .78rem;
      color: var(--teal);
      font-weight: 500;
      flex-shrink: 0;
    }
    .usage__step-body {}
    .usage__step-title {
      font-family: var(--font-display);
      font-size: 1rem;
      color: var(--text-1);
      margin-bottom: .25rem;
    }
    .usage__step-desc {
      font-size: .85rem;
      color: var(--text-2);
      line-height: 1.6;
    }
    .usage__callout {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-xl);
      padding: 2.5rem;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .usage__callout-label {
      font-size: .65rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--teal);
      font-weight: 500;
    }
    .usage__callout h3 {
      font-family: var(--font-display);
      font-size: 1.5rem;
      color: var(--text-1);
      line-height: 1.2;
    }
    .usage__callout p {
      font-size: .9rem;
      color: var(--text-2);
      line-height: 1.7;
    }
    .usage__pill-row {
      display: flex;
      gap: .75rem;
      flex-wrap: wrap;
    }
    .usage__pill {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      font-size: .78rem;
      color: var(--teal);
      background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.2);
      border-radius: 100px;
      padding: .35rem .875rem;
    }

    /* ── FAQ ── */
    .faq {
      padding: 8rem 2rem;
      max-width: 760px;
      margin: 0 auto;
    }
    .faq__list { margin-top: 3rem; display: flex; flex-direction: column; gap: .75rem; }
    .faq__item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--r-lg);
      overflow: hidden;
      transition: border-color .3s;
    }
    .faq__item.open { border-color: var(--border-hover); }
    .faq__question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.25rem 1.5rem;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      gap: 1rem;
      font-family: var(--font-display);
      font-size: 1rem;
      color: var(--text-1);
      transition: color .2s;
    }
    .faq__question:hover { color: var(--teal-light); }
    .faq__icon {
      width: 24px; height: 24px;
      border-radius: 50%;
      border: 1px solid var(--border-2);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      color: var(--teal);
      transition: transform .3s var(--ease), background .2s;
    }
    .faq__item.open .faq__icon { transform: rotate(45deg); background: var(--teal-dim); }
    .faq__answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s var(--ease);
    }
    .faq__answer-inner {
      padding: 0 1.5rem 1.25rem;
      font-size: .9rem;
      color: var(--text-2);
      line-height: 1.7;
    }

    /* ── PRODUCT CTA ── */
    .prod-cta {
      padding: 8rem 2rem;
      background: var(--bg-3);
      border-top: 1px solid var(--border);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .prod-cta__orb {
      position: absolute;
      width: 700px; height: 500px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(30,159,168,.1) 0%, transparent 70%);
      filter: blur(80px);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }
    .prod-cta__inner {
      position: relative;
      z-index: 1;
      max-width: 560px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1.25rem;
    }
    .prod-cta__title { font-size: clamp(2rem, 4vw, 3.25rem); }
    .prod-cta p { color: var(--text-2); max-width: 420px; }
    .prod-cta__btns {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      justify-content: center;
      margin-top: .5rem;
    }
    .prod-cta__also {
      font-size: .8rem;
      color: var(--text-3);
      margin-top: .5rem;
    }
    .prod-cta__also a { color: var(--teal); transition: color .2s; }
    .prod-cta__also a:hover { color: var(--teal-light); }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .prod-hero { grid-template-columns: 1fr; min-height: auto; padding-top: calc(var(--nav-h) + 2rem); }
      .prod-hero__content { padding: 2rem 0 0; order: 2; }
      .prod-hero__visual { order: 1; padding: 3rem 0 1rem; }
      .prod-hero__desc { max-width: 100%; }
      .prod-hero__tag { display: none; }
      .benefits__grid { grid-template-columns: 1fr; }
      .formula__inner { grid-template-columns: 1fr; gap: 3rem; }
      .formula__science { position: static; }
      .usage__inner { grid-template-columns: 1fr; gap: 3rem; }
    }
    @media (max-width: 480px) {
      .prod-hero__title { font-size: 2.5rem; }
      .prod-hero__img { width: 220px; }
    }

    /* =============================================
   PAGE — FOCUS
   ============================================= */

    /* ── FOCUS PAGE STYLES (identical structure to mg-system, accent azul) ── */

    .prod-hero {
      position: relative;
      min-height: 92vh;
      padding-top: var(--nav-h);
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 4rem;
      max-width: var(--max-w);
      margin: 0 auto;
      padding-left: 2rem;
      padding-right: 2rem;
      overflow: hidden;
    }
    .prod-hero__bg {
      position: fixed; inset: 0;
      background-image:
        linear-gradient(rgba(30,159,168,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30,159,168,.03) 1px, transparent 1px);
      background-size: 56px 56px;
      pointer-events: none; z-index: 0;
    }
    .prod-hero__orb { position: fixed; border-radius: 50%; pointer-events: none; filter: blur(100px); z-index: 0; }
    .prod-hero__orb--1 {
      width: 600px; height: 600px; top: -200px; right: -100px;
      background: radial-gradient(circle, rgba(30,100,200,.1) 0%, transparent 70%);
    }
    .prod-hero__orb--2 {
      width: 400px; height: 400px; bottom: -100px; left: -100px;
      background: radial-gradient(circle, rgba(30,159,168,.07) 0%, transparent 70%);
    }
    .prod-hero__content { position: relative; z-index: 1; padding: 5rem 0; }
    .prod-hero__back {
      display: inline-flex; align-items: center; gap: .4rem;
      font-size: .78rem; color: var(--text-3); margin-bottom: 2rem; transition: color .2s;
    }
    .prod-hero__back:hover { color: var(--teal); }
    .prod-hero__badge {
      display: inline-flex; align-items: center; gap: .5rem;
      font-size: .68rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
      color: var(--teal); border: 1px solid rgba(30,159,168,.25);
      background: rgba(30,159,168,.07); border-radius: 100px; padding: .35rem .9rem; margin-bottom: 1.5rem;
    }
    .prod-hero__badge-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); animation: pulse 2s infinite; }
    .prod-hero__title { font-size: clamp(3rem, 5.5vw, 5rem); margin-bottom: .5rem; line-height: 1; }
    .prod-hero__subtitle { font-family: var(--font-display); font-size: clamp(1rem, 2vw, 1.35rem); color: var(--text-2); font-style: italic; margin-bottom: 1.75rem; }
    .prod-hero__desc { font-size: 1rem; color: var(--text-2); max-width: 460px; line-height: 1.75; margin-bottom: 2.5rem; }
    .prod-hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
    .prod-hero__trust { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; padding-top: 1.75rem; border-top: 1px solid var(--border); }
    .prod-hero__trust-item { display: flex; align-items: center; gap: .4rem; font-size: .75rem; color: var(--text-3); }
    .prod-hero__trust-item svg { color: var(--teal); opacity: .7; flex-shrink: 0; }
    .prod-hero__trust-sep { color: var(--text-3); opacity: .25; }
    .prod-hero__legal { font-size: .7rem; color: var(--text-3); opacity: .6; margin-top: 1.25rem; line-height: 1.5; max-width: 460px; }

    .prod-hero__visual { position: relative; z-index: 1; display: flex; justify-content: center; align-items: center; padding: 5rem 0; }
    .prod-hero__frame { position: relative; display: flex; justify-content: center; align-items: center; }
    .prod-hero__glow {
      position: absolute; width: 220px; height: 340px; border-radius: 50%;
      background: radial-gradient(circle, rgba(30,100,200,.22) 0%, transparent 68%);
      filter: blur(60px); animation: floatGlow 7s ease-in-out infinite;
    }
    .prod-hero__ring {
      position: absolute; width: 340px; height: 340px; border-radius: 50%;
      border: 1px solid rgba(30,120,200,.07); animation: spinRing 24s linear infinite;
    }
    .prod-hero__ring--2 { width: 430px; height: 430px; border-color: rgba(30,120,200,.04); animation-duration: 36s; animation-direction: reverse; }
    .prod-hero__img { width: 280px; height: auto; object-fit: contain; position: relative; z-index: 1; animation: float 7s ease-in-out infinite; filter: drop-shadow(0 40px 80px rgba(0,0,0,.65)); }
    .prod-hero__tag {
      position: absolute; background: rgba(12,21,24,.92); border: 1px solid var(--border-2);
      backdrop-filter: blur(20px); border-radius: var(--r-md); padding: .625rem 1rem;
      display: flex; flex-direction: column; gap: 2px; z-index: 2; box-shadow: 0 8px 32px rgba(0,0,0,.3);
    }
    .prod-hero__tag--1 { left: -10px; top: 25%; }
    .prod-hero__tag--2 { right: -10px; bottom: 25%; }
    .prod-hero__tag--3 { left: 50%; transform: translateX(-50%); bottom: 8%; }

    /* ── BENEFITS ── */
    .benefits { padding: 8rem 2rem; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .benefits__inner { max-width: var(--max-w); margin: 0 auto; }
    .benefits__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 4rem; }
    .benefit-card {
      background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl);
      padding: 1.75rem; position: relative; overflow: hidden; transition: border-color .3s, transform .4s var(--ease);
    }
    .benefit-card::before {
      content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, transparent, var(--teal), transparent);
      transform: scaleX(0); transition: transform .5s var(--ease);
    }
    .benefit-card:hover { border-color: var(--border-hover); transform: translateY(-5px); }
    .benefit-card:hover::before { transform: scaleX(1); }
    .benefit-card__icon {
      width: 48px; height: 48px; border-radius: var(--r-sm);
      background: var(--teal-dim); border: 1px solid rgba(30,159,168,.18);
      display: flex; align-items: center; justify-content: center; color: var(--teal); margin-bottom: 1.25rem;
    }
    .benefit-card h3 { font-family: var(--font-display); font-size: 1.15rem; color: var(--text-1); margin-bottom: .6rem; }
    .benefit-card p { font-size: .875rem; color: var(--text-2); line-height: 1.65; }

    /* ── FORMULA ── */
    .formula { padding: 8rem 2rem; max-width: var(--max-w); margin: 0 auto; }
    .formula__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; margin-top: 4rem; }
    .formula__list { display: flex; flex-direction: column; gap: 1rem; }
    .formula__item {
      background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
      padding: 1.25rem 1.5rem; display: flex; gap: 1.25rem; align-items: flex-start; transition: border-color .3s;
    }
    .formula__item:hover { border-color: var(--border-hover); }
    .formula__item-num { font-family: var(--font-display); font-size: 1.5rem; color: rgba(30,159,168,.18); line-height: 1; flex-shrink: 0; min-width: 28px; }
    .formula__item-name { font-family: var(--font-display); font-size: 1rem; color: var(--text-1); margin-bottom: .25rem; }
    .formula__item-role { font-size: .82rem; color: var(--teal); font-weight: 500; margin-bottom: .3rem; letter-spacing: .02em; }
    .formula__item-desc { font-size: .82rem; color: var(--text-3); line-height: 1.6; }
    .formula__excipients { margin-top: 1.5rem; padding: 1rem 1.25rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); }
    .formula__excipients-label { font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); font-weight: 500; margin-bottom: .4rem; }
    .formula__excipients p { font-size: .8rem; color: var(--text-3); line-height: 1.6; }

    .formula__science { position: sticky; top: calc(var(--nav-h) + 2rem); display: flex; flex-direction: column; gap: 1.5rem; }
    .sci-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 1.5rem; }
    .sci-card__label { font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); font-weight: 500; margin-bottom: 1rem; }
    .sci-card h4 { font-family: var(--font-display); font-size: 1.05rem; color: var(--text-1); margin-bottom: .6rem; }
    .sci-card p { font-size: .85rem; color: var(--text-2); line-height: 1.65; }
    .sci-card__list { display: flex; flex-direction: column; gap: .5rem; margin-top: .75rem; }
    .sci-card__list li { display: flex; align-items: center; gap: .5rem; font-size: .82rem; color: var(--text-2); }
    .sci-card__list li svg { color: var(--teal); flex-shrink: 0; }

    /* stack visual — grupos de ingredientes */
    .formula__group-label {
      font-size: .65rem; letter-spacing: .14em; text-transform: uppercase;
      color: var(--text-3); font-weight: 500; padding: .5rem 0 .25rem;
      display: flex; align-items: center; gap: .5rem;
    }
    .formula__group-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }

    /* ── USAGE ── */
    .usage { padding: 8rem 2rem; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .usage__inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
    .usage__steps { display: flex; flex-direction: column; gap: 0; margin-top: 2rem; }
    .usage__step { display: flex; gap: 1.25rem; align-items: flex-start; padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
    .usage__step:last-child { border-bottom: none; }
    .usage__step-num {
      width: 36px; height: 36px; border-radius: 50%;
      background: var(--teal-dim); border: 1px solid rgba(30,159,168,.2);
      display: flex; align-items: center; justify-content: center;
      font-size: .78rem; color: var(--teal); font-weight: 500; flex-shrink: 0;
    }
    .usage__step-title { font-family: var(--font-display); font-size: 1rem; color: var(--text-1); margin-bottom: .25rem; }
    .usage__step-desc { font-size: .85rem; color: var(--text-2); line-height: 1.6; }
    .usage__callout { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 2.5rem; display: flex; flex-direction: column; gap: 1.25rem; }
    .usage__callout-label { font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); font-weight: 500; }
    .usage__callout h3 { font-family: var(--font-display); font-size: 1.5rem; color: var(--text-1); line-height: 1.2; }
    .usage__callout p { font-size: .9rem; color: var(--text-2); line-height: 1.7; }
    .usage__pill-row { display: flex; gap: .75rem; flex-wrap: wrap; }
    .usage__pill {
      display: inline-flex; align-items: center; gap: .4rem;
      font-size: .78rem; color: var(--teal); background: var(--teal-dim);
      border: 1px solid rgba(30,159,168,.2); border-radius: 100px; padding: .35rem .875rem;
    }

    /* ── FAQ ── */
    .faq { padding: 8rem 2rem; max-width: 760px; margin: 0 auto; }
    .faq__list { margin-top: 3rem; display: flex; flex-direction: column; gap: .75rem; }
    .faq__item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; transition: border-color .3s; }
    .faq__item.open { border-color: var(--border-hover); }
    .faq__question {
      width: 100%; display: flex; justify-content: space-between; align-items: center;
      padding: 1.25rem 1.5rem; background: none; border: none; cursor: pointer;
      text-align: left; gap: 1rem; font-family: var(--font-display); font-size: 1rem;
      color: var(--text-1); transition: color .2s;
    }
    .faq__question:hover { color: var(--teal-light); }
    .faq__icon {
      width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--border-2);
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
      color: var(--teal); transition: transform .3s var(--ease), background .2s;
    }
    .faq__item.open .faq__icon { transform: rotate(45deg); background: var(--teal-dim); }
    .faq__answer { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
    .faq__answer-inner { padding: 0 1.5rem 1.25rem; font-size: .9rem; color: var(--text-2); line-height: 1.7; }

    /* ── PRODUCT CTA ── */
    .prod-cta { padding: 8rem 2rem; background: var(--bg-3); border-top: 1px solid var(--border); text-align: center; position: relative; overflow: hidden; }
    .prod-cta__orb {
      position: absolute; width: 700px; height: 500px; border-radius: 50%;
      background: radial-gradient(circle, rgba(30,100,200,.1) 0%, transparent 70%);
      filter: blur(80px); top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none;
    }
    .prod-cta__inner { position: relative; z-index: 1; max-width: 560px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
    .prod-cta__title { font-size: clamp(2rem, 4vw, 3.25rem); }
    .prod-cta p { color: var(--text-2); max-width: 420px; }
    .prod-cta__btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; margin-top: .5rem; }
    .prod-cta__also { font-size: .8rem; color: var(--text-3); margin-top: .5rem; }
    .prod-cta__also a { color: var(--teal); transition: color .2s; }
    .prod-cta__also a:hover { color: var(--teal-light); }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .prod-hero { grid-template-columns: 1fr; min-height: auto; padding-top: calc(var(--nav-h) + 2rem); }
      .prod-hero__content { padding: 2rem 0 0; order: 2; }
      .prod-hero__visual { order: 1; padding: 3rem 0 1rem; }
      .prod-hero__desc { max-width: 100%; }
      .prod-hero__tag { display: none; }
      .benefits__grid { grid-template-columns: 1fr; }
      .formula__inner { grid-template-columns: 1fr; gap: 3rem; }
      .formula__science { position: static; }
      .usage__inner { grid-template-columns: 1fr; gap: 3rem; }
    }
    @media (max-width: 480px) {
      .prod-hero__title { font-size: 2.5rem; }
      .prod-hero__img { width: 220px; }
    }

    /* FIX FINAL — apertura de globos técnicos en páginas de producto */
.prod-hero__tag.hero__tag {
  z-index: 20 !important;
}

.prod-hero__tag.hero__tag .hero__tag-main {
  position: relative !important;
  z-index: 21 !important;
}

.prod-hero__tag.hero__tag .hero__tag-detail {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  z-index: 22 !important;
}

.prod-hero__tag--1.hero__tag .hero__tag-detail,
.prod-hero__tag--4.hero__tag .hero__tag-detail {
  transform: translateY(8px) !important;
}

.prod-hero__tag--2.hero__tag .hero__tag-detail,
.prod-hero__tag--3.hero__tag .hero__tag-detail {
  transform: translateY(-8px) !important;
}

.prod-hero__tag.hero__tag:hover .hero__tag-detail {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.prod-hero__tag--1.hero__tag:hover .hero__tag-detail,
.prod-hero__tag--4.hero__tag:hover .hero__tag-detail {
  transform: translateY(0) !important;
}

.prod-hero__tag--2.hero__tag:hover .hero__tag-detail,
.prod-hero__tag--3.hero__tag:hover .hero__tag-detail {
  transform: translateY(0) !important;
}

.prod-hero__tag.hero__tag .hero__tag-detail-line {
  opacity: 1 !important;
  transform: none !important;
}