/* =============================================
   VICTORIA WATER — Full Design System
   ============================================= */

:root {
  --vw-navy:    #1A2F63;
  --vw-blue:    #1C6FB0;
  --vw-sky:     #6FC3EE;
  --vw-ice:     #EAF7FD;
  --vw-white:   #FFFFFF;
  --vw-palm:    #79974A;
  --vw-maroon:  #9C2B2B;
  --vw-slate:   #4B5A6B;
  --grad-wave:  linear-gradient(135deg, var(--vw-blue) 0%, var(--vw-sky) 100%);
  --grad-navy:  linear-gradient(135deg, var(--vw-navy) 0%, #2a4580 100%);

  --max-width: 1400px;
  --content-width: 1280px;
  --radius-button: 999px;
  --radius-image: 22px;
  --pad-section: clamp(60px, 8vw, 120px);

  --fs-hero:       clamp(2.6rem, 6vw, 4.2rem);
  --fs-section:    clamp(1.8rem, 3.5vw, 2.6rem);
  --fs-subheading: clamp(1.1rem, 1.4vw, 1.375rem);
  --fs-body:       1.05rem;
  --fs-button:     1rem;
  --fs-stat:       clamp(2.2rem, 4vw, 3rem);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', sans-serif;
  font-size: var(--fs-body);
  color: var(--vw-slate);
  background: var(--vw-white);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: 100px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Typography */
h1, h2, h3, h4, h5 { font-family: 'Outfit', sans-serif; color: var(--vw-navy); line-height: 1.2; }
h2 { font-size: var(--fs-section); font-weight: 700; }
h3 { font-size: var(--fs-subheading); font-weight: 600; }
p { color: var(--vw-slate); }

.eyebrow {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--vw-blue);
  margin-bottom: 18px;
}

.stacked-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -1px;
  text-transform: uppercase;
  color: var(--vw-navy);
}
.stacked-title span { display: block; }
.stacked-title span:last-child { color: var(--vw-blue); }

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 clamp(20px, 4vw, 60px); }
.section { padding: var(--pad-section) 0; }
.section-ice { background: var(--vw-ice); }
.section-navy { background: var(--vw-navy); color: #fff; }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-navy p { color: rgba(255,255,255,0.8); }

.grid { display: grid; gap: clamp(24px, 3vw, 48px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* Top bar */
.top-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--vw-navy);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  height: 34px;
  display: flex; align-items: center;
  transition: transform .3s ease;
}
body.scrolled .top-bar { transform: translateY(-100%); }
.top-bar-inner {
  max-width: var(--max-width); margin: 0 auto; width: 100%;
  padding: 0 clamp(20px, 4vw, 60px);
  display: flex; justify-content: space-between; align-items: center;
}
.top-bar-left { display: flex; gap: 24px; }
.top-bar-right { display: flex; align-items: center; gap: 18px; }
.top-bar-item { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.8); transition: color .2s; }
.top-bar-item:hover { color: var(--vw-sky); }
.cert-badge {
  display: flex; align-items: center; gap: 5px;
  color: var(--vw-sky); font-weight: 600; letter-spacing: 0.3px;
}
.top-bar-social { display: flex; gap: 10px; }
.top-bar-social a { color: rgba(255,255,255,0.7); transition: color .2s; display: flex; }
.top-bar-social a:hover { color: var(--vw-sky); }

/* Navbar */
.main-navbar {
  position: fixed; top: 34px; left: 0; right: 0; z-index: 999;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26,47,99,0.08);
  transition: top .3s ease, box-shadow .3s ease;
}
body.scrolled .main-navbar { top: 0; box-shadow: 0 4px 20px rgba(26,47,99,.08); }
.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 60px);
  display: flex; align-items: center; justify-content: space-between;
  height: 66px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.droplet-mark { display: flex; align-items: center; }
.wordmark {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--vw-navy);
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--vw-navy);
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--vw-blue);
  border-radius: 2px; transition: width .3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--vw-blue); }
.nav-link.active::after, .nav-link:hover::after { width: 100%; }
.nav-cta { margin-left: 8px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--vw-navy); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--vw-blue); color: #fff;
  padding: 14px 30px;
  border-radius: var(--radius-button);
  font-family: 'Inter', sans-serif;
  font-weight: 600; font-size: var(--fs-button);
  border: none; cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}
.btn-primary:hover { background: #164F80; transform: translateY(-2px); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--vw-blue);
  border: 1.5px solid var(--vw-blue);
  padding: 13px 28px;
  border-radius: var(--radius-button);
  font-family: 'Inter', sans-serif;
  font-weight: 600; font-size: var(--fs-button);
  cursor: pointer; transition: all .25s ease;
}
.btn-outline:hover { background: var(--vw-blue); color: #fff; transform: translateY(-2px); }

.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: var(--vw-navy);
  padding: 14px 30px;
  border-radius: var(--radius-button);
  font-weight: 600; font-size: var(--fs-button);
  border: none; cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

/* Wave divider */
.wave-divider { position: relative; width: 100%; line-height: 0; }
.wave-divider svg { width: 100%; height: 80px; display: block; }
.wave-divider-top { margin-bottom: -1px; }

/* Droplet cards */
.droplet-card {
  background: var(--vw-white);
  border-radius: 18px 18px 52px 18px;
  box-shadow: 0 16px 36px rgba(26,47,99,0.08);
  padding: 32px 28px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.droplet-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(26,47,99,0.13); }
.droplet-card .card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--vw-ice);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--vw-blue);
}
.droplet-card h3 { margin-bottom: 10px; }
.droplet-card p { font-size: 0.95rem; }

/* Purity cells */
.purity-cell {
  position: relative; overflow: hidden;
  background: #fff;
  border-radius: 14px;
  padding: 22px 20px;
  box-shadow: 0 8px 24px rgba(26,47,99,0.06);
  transition: transform .3s ease;
}
.purity-cell:hover { transform: translateY(-4px); }
.purity-cell::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 4px; background: var(--accent, var(--vw-blue));
}
.purity-cell .purity-label { font-size: 0.8rem; font-weight: 600; color: var(--vw-slate); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.purity-cell .purity-value { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.6rem; color: var(--vw-navy); }
.purity-cell .purity-unit { font-size: 0.85rem; color: var(--vw-slate); }

/* =============================================
   HOME HERO
   ============================================= */
.vw-hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: center;
  background: linear-gradient(180deg, var(--vw-ice) 0%, #fff 100%);
  overflow: hidden;
  padding-top: 40px;
}
.vw-hero .container { position: relative; z-index: 5; }
.hero-content { max-width: 620px; position: relative; z-index: 5; }
.hero-content p { font-size: 1.15rem; margin: 20px 0 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Rotating ring */
.rotating-ring {
  position: absolute;
  top: 50%; right: -8%;
  transform: translateY(-50%);
  width: 600px; height: 600px;
  border-radius: 50%;
  background: repeating-conic-gradient(rgba(28,111,176,.15) 0deg 2deg, transparent 2deg 8deg);
  animation: slowSpin 70s linear infinite;
  z-index: 1;
}
@keyframes slowSpin { from { transform: translateY(-50%) rotate(0deg); } to { transform: translateY(-50%) rotate(360deg); } }

/* Hero waves */
.hero-wave-back, .hero-wave-front {
  position: absolute; bottom: 0; left: 0; width: 200%;
  z-index: 2;
}
.hero-wave-back { animation: waveDrift 18s linear infinite; opacity: .35; }
.hero-wave-front { animation: waveDrift 12s linear infinite reverse; opacity: .55; }
@keyframes waveDrift { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Bubbles */
.hero-bubbles { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.bubble {
  position: absolute;
  bottom: -60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.6), rgba(111,195,238,0.15));
  border: 1px solid rgba(111,195,238,0.2);
  animation: bubbleRise linear infinite;
}
@keyframes bubbleRise {
  0%   { transform: translateY(0) scale(0.8); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-100vh) scale(1.1); opacity: 0; }
}

/* Hero bottle */
.hero-bottle {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  max-height: 75vh;
  z-index: 4;
  filter: drop-shadow(0 20px 40px rgba(26,47,99,0.2));
  animation: bottleFloat 6s ease-in-out infinite;
}
@keyframes bottleFloat { 0%, 100% { transform: translateY(-50%); } 50% { transform: translateY(-54%); } }

/* =============================================
   PAGE INTRO BANNER (inner pages)
   ============================================= */
.page-intro {
  position: relative;
  background: var(--vw-ice);
  padding: clamp(80px, 12vw, 140px) 0 clamp(40px, 6vw, 70px);
  text-align: center;
  overflow: hidden;
}
.page-intro .container { position: relative; z-index: 2; }
.page-intro .eyebrow { color: var(--vw-blue); }
.page-intro p { max-width: 600px; margin: 18px auto 0; font-size: 1.1rem; }

/* =============================================
   HOME TEASERS
   ============================================= */
.teaser-section { padding: var(--pad-section) 0; }
.teaser-section h2 { text-align: center; margin-bottom: 16px; }
.section-sub { text-align: center; max-width: 600px; margin: 0 auto 50px; font-size: 1.05rem; }

.highlight-cards { margin-top: 40px; }

.products-teaser { background: var(--vw-ice); }
.teaser-bottles { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; margin: 40px 0 30px; }
.teaser-bottle img { max-height: 260px; transition: transform .4s ease; }
.teaser-bottle:hover img { transform: translateY(-8px) scale(1.03); }

.story-teaser { display: flex; align-items: center; gap: clamp(30px, 5vw, 70px); }
.story-teaser .story-text { flex: 1.2; }
.story-teaser .story-image { flex: 1; }
.story-teaser .story-image img { border-radius: var(--radius-image); box-shadow: 0 16px 36px rgba(26,47,99,0.1); }
.story-teaser p { margin: 16px 0 24px; font-size: 1.05rem; }

.distributor-cta-band {
  background: var(--grad-navy);
  padding: clamp(50px, 7vw, 80px) 0;
  text-align: center;
  border-radius: 0;
}
.distributor-cta-band h2 { color: #fff; font-size: var(--fs-section); }
.distributor-cta-band p { color: rgba(255,255,255,0.8); max-width: 540px; margin: 14px auto 30px; }

/* =============================================
   ABOUT PAGE
   ============================================= */
.story-block { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.story-block .story-image img { border-radius: var(--radius-image); box-shadow: 0 16px 36px rgba(26,47,99,0.1); }
.filtration-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 50px; }
.filtration-step .step-number {
  font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.4rem;
  color: var(--vw-blue); margin-bottom: 8px;
}
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cert-card {
  text-align: center; padding: 36px 20px;
  border-radius: 18px 18px 52px 18px;
  background: #fff; box-shadow: 0 12px 30px rgba(26,47,99,0.07);
  transition: transform .3s ease;
}
.cert-card:hover { transform: translateY(-6px); }
.cert-card .cert-icon { width: 60px; height: 60px; margin: 0 auto 16px; color: var(--vw-blue); }
.cert-card h3 { font-size: 1.05rem; }
.cert-card p { font-size: 0.85rem; margin-top: 6px; }

/* =============================================
   PRODUCTS PAGE — Carousel
   ============================================= */
.product-carousel { position: relative; overflow: hidden; }
.product-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.product-slide {
  min-width: 100%;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  padding: 0 clamp(10px, 2vw, 30px);
}
.product-slide .product-info h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.product-slide .product-info .product-size {
  font-family: 'Poppins', sans-serif; font-weight: 700;
  color: var(--vw-blue); font-size: 1.3rem; margin-bottom: 16px;
}
.product-slide .product-image { display: flex; justify-content: center; }
.product-slide .product-image img { max-height: 420px; filter: drop-shadow(0 16px 36px rgba(26,47,99,0.15)); }
.carousel-controls { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 40px; }
.carousel-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(28,111,176,0.25); border: none; cursor: pointer;
  transition: all .3s ease;
}
.carousel-dot.active { width: 36px; border-radius: 5px; background: var(--vw-blue); }

/* Purity strip */
.purity-strip { margin-top: 60px; }
.purity-group-title {
  font-family: 'Outfit', sans-serif; font-weight: 600;
  font-size: 1.1rem; margin: 30px 0 16px;
  padding-bottom: 8px; border-bottom: 2px solid var(--accent, var(--vw-blue));
  color: var(--vw-navy);
}
.purity-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

/* =============================================
   DISTRIBUTORS PAGE
   ============================================= */
.perk-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 50px 0; }
.perk-card { text-align: center; }
.perk-card .perk-icon {
  width: 64px; height: 64px; margin: 0 auto 16px;
  border-radius: 18px 18px 40px 18px;
  background: var(--vw-ice);
  display: flex; align-items: center; justify-content: center;
  color: var(--vw-blue);
}
.perk-card h3 { font-size: 1rem; margin-bottom: 6px; }
.perk-card p { font-size: 0.88rem; }

.distributor-form {
  max-width: 680px; margin: 0 auto;
  background: #fff; padding: clamp(30px, 5vw, 50px);
  border-radius: 22px 22px 52px 22px;
  box-shadow: 0 16px 40px rgba(26,47,99,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--vw-navy); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 13px 20px;
  border: 1.5px solid rgba(26,47,99,0.12);
  border-radius: 999px;
  font-family: 'Inter', sans-serif; font-size: 0.95rem;
  color: var(--vw-navy);
  transition: border .2s, box-shadow .2s;
  background: var(--vw-ice);
}
.form-group textarea { border-radius: 14px; resize: vertical; min-height: 120px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--vw-blue);
  box-shadow: 0 0 0 3px rgba(28,111,176,0.12);
  background: #fff;
}
.form-submit { text-align: center; margin-top: 24px; }

/* =============================================
   GALLERY PAGE
   ============================================= */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item {
  position: relative; overflow: hidden;
  border-radius: 18px;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease, clip-path .5s ease;
  clip-path: inset(0 round 18px);
}
.gallery-item:hover img {
  transform: scale(1.06);
  clip-path: inset(2% 2% 2% 2% round 30px 30px 52px 30px);
}
.gallery-item .gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(26,47,99,0.7) 100%);
  display: flex; align-items: flex-end; padding: 20px;
  opacity: 0; transition: opacity .3s ease;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item .gallery-overlay span { color: #fff; font-weight: 600; font-size: 0.95rem; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(26,47,99,0.92);
  display: none; align-items: center; justify-content: center;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90%; max-height: 85vh; border-radius: 12px; }
.lightbox-close {
  position: absolute; top: 24px; right: 30px;
  background: none; border: none; cursor: pointer;
  color: #fff; font-size: 2rem;
}

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 60px); }
.contact-info-block { margin-bottom: 28px; }
.contact-info-block .ci-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--vw-ice); display: flex; align-items: center; justify-content: center; color: var(--vw-blue); margin-bottom: 12px; }
.contact-info-block h4 { font-size: 1rem; margin-bottom: 4px; color: var(--vw-navy); }
.contact-info-block p { font-size: 0.95rem; }
.contact-map { margin-top: 30px; border-radius: var(--radius-image); overflow: hidden; box-shadow: 0 12px 30px rgba(26,47,99,0.08); }
.contact-map iframe { width: 100%; height: 280px; border: 0; }
.contact-form {
  background: #fff; padding: clamp(28px, 4vw, 44px);
  border-radius: 22px 22px 52px 22px;
  box-shadow: 0 16px 40px rgba(26,47,99,0.08);
}

/* =============================================
   FOOTER
   ============================================= */
.vw-footer { position: relative; background: var(--vw-navy); color: rgba(255,255,255,0.8); }
.footer-content { max-width: var(--max-width); margin: 0 auto; padding: 0 clamp(20px, 4vw, 60px) 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.3fr 1fr; gap: 40px; padding: 60px 0 40px; }
.footer-brand p { color: rgba(255,255,255,0.7); margin: 16px 0; font-size: 0.92rem; max-width: 340px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: #fff; transition: background .2s; }
.footer-social a:hover { background: var(--vw-blue); }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-col ul li a { color: rgba(255,255,255,0.7); transition: color .2s; }
.footer-col ul li a:hover { color: var(--vw-sky); }
.footer-certs { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-cert {
  display: inline-block; padding: 6px 14px;
  border-radius: 999px; font-size: 0.78rem; font-weight: 600;
  background: rgba(255,255,255,0.1); color: var(--vw-sky);
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,0.5); font-size: 0.85rem; }

/* =============================================
   ANIMATION — Fade up on scroll
   ============================================= */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay-1 { transition-delay: .1s; }
.fade-up-delay-2 { transition-delay: .2s; }
.fade-up-delay-3 { transition-delay: .3s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}
@media (max-width: 992px) {
  .grid-4, .grid-6, .filtration-steps, .cert-grid, .perk-grid { grid-template-columns: repeat(2, 1fr); }
  .purity-grid { grid-template-columns: repeat(3, 1fr); }
  .story-block, .story-teaser, .contact-grid { grid-template-columns: 1fr; }
  .story-teaser .story-image { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .rotating-ring { width: 480px; height: 480px; right: -15%; }
  .hero-bottle { max-height: 55vh; right: 2%; }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 100px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    flex-direction: column; gap: 0;
    padding: 20px;
    border-bottom: 1px solid rgba(26,47,99,0.08);
    transform: translateY(-130%);
    transition: transform .3s ease;
    box-shadow: 0 10px 30px rgba(26,47,99,0.1);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 12px 0; width: 100%; text-align: center; }
  .nav-cta { margin: 12px auto 0; }
  .nav-toggle { display: flex; }
  .rotating-ring { display: none; }
  .hero-wave-back { opacity: .2; }
  .hero-bottle { max-height: 40vh; opacity: 0.5; right: 0; }
  .vw-hero { min-height: auto; padding: 120px 0 80px; }
  .hero-content { text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-content p { margin-left: auto; margin-right: auto; }
  .product-slide { grid-template-columns: 1fr; text-align: center; }
  .product-slide .product-image { order: -1; }
  .product-slide .product-image img { max-height: 280px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 576px) {
  .grid-2, .grid-3, .grid-4, .grid-6, .filtration-steps, .cert-grid, .perk-grid, .purity-grid, .gallery-grid {
    grid-template-columns: 1fr;
  }
  .top-bar-left { gap: 12px; }
  .top-bar-item { font-size: 0.72rem; }
  .cert-badge { display: none; }
  .stacked-title { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; justify-content: center; }
}