/* ============================================================
   NAFI — Eau minérale naturelle
   Palette : bleu profond + bleu clair + blanc, accent vert
   Mobile-first, léger, animations "eau" douces
   ============================================================ */

:root {
  --blue-deep: #06316b;
  --blue-deep-2: #0a3d7a;
  --blue: #1565c0;
  --blue-light: #4aa8e0;
  --blue-soft: #e8f4fc;
  --green: #2ecc71;
  --green-dark: #27ae60;
  --green-cta: #15803d;
  --green-cta-dark: #0f6a33;
  --cyan: #d9f3ff;
  --white: #ffffff;
  --ink: #0f2745;
  --muted: #5a6b82;
  --line: #e2eaf3;
  --shadow-sm: 0 4px 14px rgba(6, 49, 107, 0.08);
  --shadow-md: 0 12px 34px rgba(6, 49, 107, 0.12);
  --shadow-lg: 0 24px 60px rgba(6, 49, 107, 0.18);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --font-head: "Poppins", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; color: var(--blue-deep); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: min(100% - 40px, var(--max)); margin-inline: auto; }

/* ---------- Image fallback (avant ajout des vraies photos) ---------- */
.img-missing {
  background: linear-gradient(135deg, var(--blue-light), var(--blue-deep));
  position: relative;
  min-height: 180px;
  border-radius: var(--radius-sm);
}
.img-missing::after {
  content: attr(data-label);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.9); font-family: var(--font-head);
  font-weight: 600; font-size: .85rem; text-align: center; padding: 12px;
  letter-spacing: .3px;
}

/* ============================= BUTTONS ============================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 1rem;
  padding: 14px 26px; border-radius: 50px; border: 2px solid transparent;
  cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn-sm { padding: 10px 20px; font-size: .9rem; }
.btn-block { width: 100%; }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: var(--white); box-shadow: 0 8px 22px rgba(21, 101, 192, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(21, 101, 192, .45); }
.btn-outline {
  background: rgba(255,255,255,.1); color: var(--white); border-color: rgba(255,255,255,.7);
  backdrop-filter: blur(4px);
}
.btn-outline:hover { background: var(--white); color: var(--blue-deep); transform: translateY(-3px); }
.btn-light {
  background: var(--white); color: var(--blue-deep); box-shadow: 0 8px 22px rgba(6,49,107,.20);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(6,49,107,.28); }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.7); }
.btn-outline-light:hover { background: rgba(255,255,255,.16); transform: translateY(-3px); }

/* ============================= NAVBAR ============================= */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 14px 0; transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
}
.navbar.scrolled {
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm); padding: 8px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo {
  height: 34px; width: auto;
  background: #fff; padding: 5px 9px; border-radius: 10px;
  box-shadow: 0 3px 12px rgba(3, 22, 50, .22);
}
.brand-logo.img-missing { width: 42px; min-height: 42px; border-radius: 50%; }
.brand-text {
  font-family: var(--font-head); font-weight: 800; font-size: 1.5rem; letter-spacing: 1px;
  color: var(--white); transition: color .35s ease;
}
.navbar.scrolled .brand-text { color: var(--blue-deep); }

/* Pages internes (sans hero sombre) : navbar solide dès le départ + espace sous la barre fixe */
body.page-inner { padding-top: 66px; }
body.page-inner .navbar { background: rgba(255,255,255,.95); backdrop-filter: blur(12px); box-shadow: var(--shadow-sm); }
body.page-inner .brand-text { color: var(--blue-deep); }
body.page-inner .nav-links a { color: var(--ink); }
body.page-inner .nav-links a:hover { background: var(--blue-soft); color: var(--blue-deep); }
body.page-inner .nav-links a.active { color: var(--blue); background: var(--blue-soft); }
body.page-inner .nav-cta, body.page-inner .nav-links a.nav-cta { color: var(--white); }
body.page-inner .burger span { background: var(--blue-deep); }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-family: var(--font-head); font-weight: 500; font-size: .95rem;
  color: var(--white); padding: 8px 14px; border-radius: 8px; transition: color .25s, background .25s;
}
.navbar.scrolled .nav-links a { color: var(--ink); }
.nav-links a:hover { color: var(--blue-light); }
.navbar.scrolled .nav-links a:hover { background: var(--blue-soft); color: var(--blue-deep); }
.nav-cta {
  background: var(--green-cta); color: var(--white) !important; font-weight: 600;
}
.nav-cta:hover { background: var(--green-cta-dark) !important; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.burger span { width: 26px; height: 3px; border-radius: 3px; background: var(--white); transition: .3s; }
.navbar.scrolled .burger span { background: var(--blue-deep); }
.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============================= HERO ============================= */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(74,168,224,.45), transparent 60%),
    linear-gradient(160deg, var(--blue-deep) 0%, var(--blue) 55%, var(--blue-light) 120%);
  padding-top: 90px; overflow: hidden;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr; gap: 30px; align-items: center;
  position: relative; z-index: 4; padding-bottom: 70px;
}

/* Fond du hero : vidéo (legacy) OU image de bouteilles */
.hero-video,
.hero-bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 50%; z-index: 0; border: 0; background: transparent;
}
.hero-bg-img { animation: heroOpen 1.2s cubic-bezier(.22,1,.36,1) both; }
/* Animation d'ouverture du hero : le fond se révèle en fondu + léger zoom */
@keyframes heroOpen { from { opacity: 0; transform: scale(1.07); } to { opacity: 1; transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .hero-bg-img { animation: none; } }
/* Mobile : image en bannière (photo entière visible, nette) + texte en dessous sur le fond bleu */
@media (max-width: 760px) {
  .hero { display: block; min-height: auto; padding-top: 76px; }
  .hero-bg-img { position: static; width: calc(100% - 32px); margin: 6px 16px 0; height: auto; border-radius: 22px; box-shadow: 0 16px 36px rgba(3,28,68,.45); animation: heroFade .9s ease both; }
  .hero-inner { padding: 28px 0 72px; }
  .scroll-cue { display: none !important; }
}
@keyframes heroFade { from { opacity: 0; } to { opacity: 1; } }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(160deg, rgba(6,49,107,.55), rgba(21,101,192,.30) 55%, rgba(74,168,224,.22));
}

/* Caustiques : reflets d'eau qui ondulent lentement (effet vidéo) */
.hero-caustics {
  position: absolute; inset: -20%; z-index: 1; pointer-events: none; opacity: .5;
  background:
    radial-gradient(closest-side at 20% 30%, rgba(255,255,255,.20), transparent 70%),
    radial-gradient(closest-side at 70% 20%, rgba(217,243,255,.18), transparent 70%),
    radial-gradient(closest-side at 45% 65%, rgba(255,255,255,.16), transparent 70%),
    radial-gradient(closest-side at 85% 75%, rgba(217,243,255,.14), transparent 70%);
  background-size: 60% 60%, 55% 55%, 65% 65%, 50% 50%;
  mix-blend-mode: screen; filter: blur(2px); will-change: transform;
  animation: caustics-drift 18s ease-in-out infinite alternate;
}
/* transform uniquement (compositeur GPU) — plus de blur animé coûteux */
@keyframes caustics-drift {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(3%, -2%, 0) scale(1.08); }
  100% { transform: translate3d(-2%, 3%, 0) scale(1.04); }
}

/* Rayons de lumière sous-marins (god rays) */
.hero-rays { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.hero-rays span {
  position: absolute; top: -30%; left: 50%; width: 14vw; height: 160%;
  background: linear-gradient(to bottom, rgba(255,255,255,.22), rgba(255,255,255,0) 75%);
  transform-origin: top center; filter: blur(6px); mix-blend-mode: screen;
  animation: ray-sway 9s ease-in-out infinite;
}
.hero-rays span:nth-child(1){ left: 12%; transform: rotate(14deg); animation-duration: 11s; }
.hero-rays span:nth-child(2){ left: 30%; transform: rotate(9deg);  animation-duration: 8s;  animation-delay: -2s; opacity:.8; }
.hero-rays span:nth-child(3){ left: 52%; transform: rotate(12deg); animation-duration: 13s; animation-delay: -4s; }
.hero-rays span:nth-child(4){ left: 72%; transform: rotate(7deg);  animation-duration: 10s; animation-delay: -1s; opacity:.7; }
.hero-rays span:nth-child(5){ left: 88%; transform: rotate(15deg); animation-duration: 12s; animation-delay: -5s; opacity:.6; }
@keyframes ray-sway {
  0%,100% { transform: rotate(10deg) translateX(0); opacity: .35; }
  50%     { transform: rotate(13deg) translateX(2vw); opacity: .85; }
}
.origin-badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.3); color: var(--white); font-weight: 600;
  font-family: var(--font-head); padding: 8px 16px; border-radius: 50px; font-size: .9rem;
  backdrop-filter: blur(4px); margin-bottom: 22px;
}
.origin-badge .flag { font-size: 1.1rem; }
.hero-title { color: var(--white); font-size: clamp(2.6rem, 9vw, 4.6rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; text-shadow: 0 2px 24px rgba(3,18,46,.5); }
.accent-water {
  background: linear-gradient(90deg, #d9f3ff, var(--blue-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
  filter: drop-shadow(0 2px 16px rgba(3,18,46,.5));
}
.hero-tagline { color: rgba(255,255,255,.95); font-size: clamp(1.05rem, 4vw, 1.3rem); margin: 18px 0 30px; max-width: 460px; text-shadow: 0 2px 16px rgba(3,18,46,.5); }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; min-height: 320px; }
.hero-bottle-stage { position: relative; display: flex; flex-direction: column; align-items: center; z-index: 2; }
.hero-bottle {
  max-height: 72vh; width: auto;
  filter: drop-shadow(0 34px 46px rgba(3,28,68,.55));
  animation: bottleFloat 6s ease-in-out infinite;
  transform-origin: 50% 90%; will-change: transform;
}
.hero-bottle.img-missing { width: 260px; min-height: 420px; }
/* reflet au sol */
.hero-bottle-reflection {
  width: 58%; height: 26px; margin-top: -6px; border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(3,28,68,.45), transparent 70%);
  filter: blur(4px); animation: shadowPulse 6s ease-in-out infinite;
}
.hero-glow {
  position: absolute; width: 380px; height: 380px; border-radius: 50%; top: 50%; left: 50%;
  transform: translate(-50%,-55%);
  background: radial-gradient(circle, rgba(255,255,255,.5), transparent 65%);
  filter: blur(12px); z-index: 1; animation: pulse 7s ease-in-out infinite;
}
@keyframes floaty { 0%,100%{ transform: translateY(0) } 50%{ transform: translateY(-18px) } }
/* flottement + balancement 3D subtil facon casamancaise */
@keyframes bottleFloat {
  0%   { transform: translateY(0)     rotate(-1.6deg); }
  50%  { transform: translateY(-22px) rotate(1.6deg); }
  100% { transform: translateY(0)     rotate(-1.6deg); }
}
@keyframes shadowPulse {
  0%,100% { transform: scaleX(1);   opacity: .55; }
  50%     { transform: scaleX(.82); opacity: .3; }
}
@keyframes pulse { 0%,100%{ transform: translate(-50%,-55%) scale(1); opacity:.65 } 50%{ transform: translate(-50%,-55%) scale(1.08); opacity:1 } }

/* bulles montantes */
.hero-bg-bubbles { position: absolute; inset: 0; z-index: 2; overflow: hidden; pointer-events: none; }
.hero-bg-bubbles span {
  position: absolute; bottom: -60px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.6), rgba(255,255,255,.05));
  animation: rise linear infinite;
}
.hero-bg-bubbles span:nth-child(1){ left:8%;  width:18px; height:18px; animation-duration:11s; }
.hero-bg-bubbles span:nth-child(2){ left:22%; width:10px; height:10px; animation-duration:9s;  animation-delay:1s; }
.hero-bg-bubbles span:nth-child(3){ left:45%; width:24px; height:24px; animation-duration:14s; animation-delay:2s; }
.hero-bg-bubbles span:nth-child(4){ left:65%; width:12px; height:12px; animation-duration:10s; animation-delay:.5s; }
.hero-bg-bubbles span:nth-child(5){ left:80%; width:20px; height:20px; animation-duration:13s; animation-delay:3s; }
.hero-bg-bubbles span:nth-child(6){ left:92%; width:9px;  height:9px;  animation-duration:8s;  animation-delay:1.5s; }
.hero-bg-bubbles span:nth-child(7){ left:15%; width:7px;  height:7px;  animation-duration:7s;  animation-delay:2.5s; }
.hero-bg-bubbles span:nth-child(8){ left:35%; width:14px; height:14px; animation-duration:12s; animation-delay:4s; }
.hero-bg-bubbles span:nth-child(9){ left:58%; width:8px;  height:8px;  animation-duration:9.5s;animation-delay:1.2s; }
.hero-bg-bubbles span:nth-child(10){left:74%; width:16px; height:16px; animation-duration:15s; animation-delay:.8s; }
@keyframes rise {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: .9; }
  50%  { transform: translateY(-55svh) translateX(10px); }
  90%  { opacity: .7; }
  100% { transform: translateY(-110svh) translateX(-6px); opacity: 0; }
}

/* vague */
.wave-wrap { position: absolute; bottom: -1px; left: 0; width: 100%; line-height: 0; z-index: 3; }
.waves { width: 100%; height: 90px; }
.wave-parallax use { animation: moveWave 12s cubic-bezier(.55,.5,.45,.5) infinite; }
.wave-parallax use:nth-child(1){ animation-delay:-2s; animation-duration:9s; }
.wave-parallax use:nth-child(2){ animation-delay:-3s; animation-duration:12s; }
.wave-parallax use:nth-child(3){ animation-delay:-4s; animation-duration:6s; }
.wave-parallax use:nth-child(4){ animation-delay:-5s; animation-duration:16s; }
@keyframes moveWave { 0%{ transform: translateX(-90px) } 100%{ transform: translateX(85px) } }

/* ============================= ICÔNES SVG ============================= */
.ico {
  width: 1em; height: 1em; flex-shrink: 0; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.12em;
}
.ico--fill { fill: currentColor; stroke: none; }
.flag-gn {
  width: 1.5em; height: 1em; border-radius: 3px; overflow: hidden; display: inline-block;
  vertical-align: -.15em; box-shadow: 0 0 0 1px rgba(0,0,0,.1); flex-shrink: 0;
}
.flag-gn--lg { width: 2.4em; height: 1.6em; border-radius: 5px; }

/* couleurs par conteneur */
.feature-icon .ico, .benefit-icon .ico, .step-ico .ico { stroke: var(--blue); }
.certif-ico { stroke: var(--blue); }
.pillar-ico { stroke: var(--green-dark); }
.hero-trust .ico { stroke: var(--cyan); }
.ico-link { width: 1.05em; height: 1.05em; vertical-align: -.2em; margin-right: 7px; }
.footer-col a .ico-link { stroke: var(--blue-light); }
.footer-col a:hover .ico-link { stroke: var(--white); }

/* ============================= SECTIONS ============================= */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.eyebrow {
  display: inline-block; font-family: var(--font-head); font-weight: 600; font-size: .85rem;
  text-transform: uppercase; letter-spacing: 2px; color: var(--green-dark);
  padding-bottom: 6px; position: relative; margin-bottom: 16px;
}
.eyebrow::after { content:""; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:36px; height:3px; background:var(--green); border-radius:3px; }
.section-head h1, .section-head h2 { font-size: clamp(1.8rem, 6vw, 2.6rem); }
.section-head h1, .section-head h2, .story-text h2, .cta-text h2 { letter-spacing: -0.015em; }
.lead { color: var(--muted); font-size: 1.05rem; margin-top: 16px; line-height: 1.55; }

/* ---------- La marque ---------- */
.marque { background: linear-gradient(180deg, var(--white), var(--blue-soft)); }
.marque-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 24px 30px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s, border-color .3s;
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.feature-icon {
  width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, #fff, var(--blue-soft));
  box-shadow: 0 12px 26px rgba(6,49,107,.14); border: 1px solid var(--line);
  margin-bottom: 20px; transition: transform .35s, box-shadow .35s;
}
.feature-card:hover .feature-icon { transform: translateY(-4px) scale(1.06); box-shadow: 0 18px 32px rgba(6,49,107,.22); }
.feature-icon .ico { width: 36px; height: 36px; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: .96rem; line-height: 1.6; }
.quality-banner {
  margin-top: 40px; text-align: center; background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: var(--white); padding: 24px; border-radius: var(--radius); border-left: 5px solid var(--green);
}
.quality-banner strong { color: var(--cyan); }

/* ---------- Bienfaits ---------- */
.bienfaits { background: var(--white); }
.benefits-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.benefit-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 24px 30px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s, border-color .3s;
}
.benefit-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.benefit-icon {
  width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, #fff, var(--blue-soft));
  box-shadow: 0 12px 26px rgba(6,49,107,.14); border: 1px solid var(--line);
  margin-bottom: 20px; transition: transform .35s, box-shadow .35s;
}
.benefit-card:hover .benefit-icon { transform: translateY(-4px) scale(1.06); box-shadow: 0 18px 32px rgba(6,49,107,.22); }
.benefit-icon .ico { width: 36px; height: 36px; }
.benefit-card h3 { font-size: 1.18rem; margin-bottom: 8px; color: var(--blue-deep); }
.benefit-card p { color: var(--muted); font-size: .96rem; line-height: 1.6; }

/* ---------- Produits ---------- */
.products-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.product-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s; position: relative;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-card.featured { border-color: var(--blue-light); box-shadow: var(--shadow-md); }
.popular {
  position: absolute; top: 14px; right: 14px; background: var(--green-cta); color: #fff;
  font-family: var(--font-head); font-weight: 600; font-size: .72rem; padding: 5px 12px; border-radius: 50px;
  box-shadow: 0 3px 8px rgba(46,204,113,.30);
}
.product-img { height: 190px; display: flex; align-items: flex-end; justify-content: center; margin-bottom: 16px; }
.product-img img { max-height: 190px; width: auto; filter: drop-shadow(0 16px 22px rgba(6,49,107,.22)); transition: transform .5s cubic-bezier(.22,1,.36,1); }
.product-card:hover .product-img img { transform: translateY(-8px) scale(1.05) rotate(-1.5deg); }
.product-img img.img-missing { width: 110px; min-height: 200px; }
/* photos reelles : echelle selon le format */
.prod-bottle--sm { max-height: 175px; }
.prod-bottle--md { max-height: 215px; }
.prod-bottle--lg { max-height: 240px; }
.product-card:hover .prod-bottle { animation: bottleNudge 2.4s ease-in-out infinite; }
@keyframes bottleNudge {
  0%,100% { transform: translateY(-8px) rotate(-1.5deg); }
  50%     { transform: translateY(-14px) rotate(1.5deg); }
}
.product-size {
  display: inline-block; font-family: var(--font-head); font-weight: 800; font-size: 1.5rem;
  color: var(--blue); background: var(--blue-soft); padding: 4px 16px; border-radius: 50px; margin-bottom: 8px;
}
.product-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.product-target { color: var(--ink); font-weight: 500; font-size: .95rem; }
.product-sale { color: var(--muted); font-size: .88rem; margin-top: 4px; }
.product-card .btn { margin-top: 16px; }

/* pack visuel */
.pack-card { background: linear-gradient(160deg, var(--blue-deep), var(--blue)); color: #fff; border: none; }
.pack-card h3, .pack-card .product-size { color: #fff; }
.pack-card .product-size { background: rgba(255,255,255,.18); }
.pack-card .product-target { color: #fff; }
.pack-card .product-sale { color: rgba(255,255,255,.8); }
.pack-visual { align-items: flex-end; }
.pack-stack { display: flex; gap: 8px; align-items: flex-end; }
.pack-stack span { display: block; width: 38px; border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, #d9f3ff, var(--blue-light)); box-shadow: 0 8px 16px rgba(0,0,0,.25); }
.pack-stack span:nth-child(1){ height: 120px; }
.pack-stack span:nth-child(2){ height: 160px; }
.pack-stack span:nth-child(3){ height: 120px; }

/* minéralité */
.minerality { margin-top: 50px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.minerality h3 { font-size: 1.25rem; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.min-intro { color: var(--muted); font-size: .96rem; margin-bottom: 18px; }
.min-intro strong { color: var(--blue-deep); }
.todo-tag { font-family: var(--font-body); font-size: .72rem; font-weight: 600; color: var(--green-dark); background: #eafaf1; padding: 3px 10px; border-radius: 50px; }
.table-scroll { overflow-x: auto; }
.min-table { width: 100%; border-collapse: collapse; min-width: 320px; }
.min-table th, .min-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.min-table thead th { background: var(--blue-soft); color: var(--blue-deep); font-family: var(--font-head); }
.min-table tbody tr:hover { background: #f7fbff; }
.min-note { color: var(--muted); font-size: .85rem; margin-top: 12px; font-style: italic; }

/* ---------- Formulaires ---------- */
.contact { background: var(--white); }
.forms-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
.form-block { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-md); }
.form-block .eyebrow { text-align: left; }
.form-block .eyebrow::after { left: 0; transform: none; }
.form-block h2 { font-size: clamp(1.5rem, 5vw, 2rem); margin-bottom: 8px; }
.form-block .lead { margin-bottom: 24px; font-size: .98rem; }
.nafi-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
.field label, .qty-row label, legend { font-family: var(--font-head); font-weight: 500; font-size: .9rem; color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 1rem; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: #fafdff;
  color: var(--ink); transition: border .25s, box-shadow .25s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-light); box-shadow: 0 0 0 4px rgba(74,168,224,.15);
}
.field textarea { resize: vertical; }

.formats-fieldset { border: 1.5px dashed var(--line); border-radius: var(--radius-sm); padding: 16px; }
.formats-fieldset legend { padding: 0 8px; }
.qty-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.qty-row:last-child { border-bottom: 0; }
.pack-hint { color: var(--muted); font-weight: 400; font-size: .82rem; }
.qty-input { width: 90px; padding: 8px 10px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); font-size: 1rem; text-align: center; }
.qty-input:focus { outline: none; border-color: var(--blue-light); }

.form-status { font-size: .92rem; text-align: center; min-height: 1.2em; font-weight: 500; }
.form-status.ok { color: var(--green-dark); }
.form-status.err { color: #d9534f; }
.form-status.loading { color: var(--blue); }
.opt { color: var(--muted); font-weight: 400; }

/* Sous-titres de section dans les formulaires */
.form-section {
  font-family: var(--font-head); font-weight: 700; font-size: .98rem; color: var(--blue-deep);
  margin: 12px 0 0; padding-bottom: 8px; border-bottom: 2px solid var(--blue-soft);
  display: flex; align-items: center; gap: 9px;
}
.form-section::before {
  content: ""; width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue), var(--green));
}
.form-section:first-child { margin-top: 0; }
/* Case à cocher de déclaration */
.check-row--solo {
  align-items: flex-start; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 14px 16px; background: #fafdff;
}
.check-row--solo + .check-row--solo { border-top: 1px solid var(--line); }
.check-row--solo span { line-height: 1.4; }
/* Encadré exigence de volume (distributeur) */
.distrib-requirement {
  border: 1px solid var(--blue-soft); border-left: 4px solid var(--blue);
  border-radius: var(--radius-sm); background: #f4f9ff;
  padding: 16px 18px; margin-bottom: 6px;
}
.distrib-requirement .form-section { margin-top: 0; }
.distrib-requirement .req-text { font-size: .96rem; color: var(--ink); line-height: 1.55; margin: 12px 0 0; }
.distrib-requirement .req-question { font-family: var(--font-head); font-weight: 600; color: var(--blue-deep); margin: 14px 0 2px; }
.distrib-requirement .check-row input { width: 18px; height: 18px; accent-color: var(--blue); }
/* Aide sous un champ (ex. minimum requis) */
.field-hint { font-size: .82rem; color: var(--muted); margin-top: 2px; }
/* Formulaire distributeur : affichage conditionnel selon le profil */
.distrib-body, .profil-group { display: flex; flex-direction: column; gap: 16px; }
.distrib-body[hidden], .profil-group[hidden] { display: none !important; }
.distrib-body.revealed { animation: distribReveal .45s cubic-bezier(.22,1,.36,1) both; }
@keyframes distribReveal { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
/* Champs fichier */
.field input[type="file"] { padding: 9px 12px; font-size: .9rem; background: #fafdff; cursor: pointer; }
.field input[type="file"]::file-selector-button {
  font-family: var(--font-head); font-weight: 600; font-size: .85rem; cursor: pointer;
  border: 0; border-radius: var(--radius-sm); padding: 8px 14px; margin-right: 12px;
  background: var(--blue-soft); color: var(--blue); transition: background .2s;
}
.field input[type="file"]::file-selector-button:hover { background: #d6efff; }

/* ----- Cartes de contact (3 choix) ----- */
.contact-options { display: grid; grid-template-columns: 1fr; gap: 22px; margin: 40px auto 0; max-width: 480px; }
.contact-card {
  position: relative; text-align: center; cursor: pointer; overflow: hidden;
  display: flex; flex-direction: column; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 26px 30px; box-shadow: var(--shadow-sm);
  transition: transform .35s cubic-bezier(.22,1,.36,1), box-shadow .35s, border-color .35s;
  font-family: var(--font-body);
}
.contact-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light), var(--green));
  transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.contact-card:hover, .contact-card:focus-visible {
  transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); outline: none;
}
.contact-card:hover::before, .contact-card:focus-visible::before { transform: scaleX(1); }
.contact-card.featured { border-color: var(--blue-light); box-shadow: var(--shadow-md); }
.contact-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 76px; height: 76px; margin-bottom: 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #eaf6ff, var(--blue-soft));
  color: var(--blue); transition: transform .4s, background .4s;
}
.contact-ico .ico { width: 36px; height: 36px; }
.contact-card:hover .contact-ico { transform: translateY(-4px) scale(1.08); background: radial-gradient(circle at 35% 30%, #d6efff, #bfe3fb); }
.contact-card h3 { font-size: 1.22rem; margin-bottom: 8px; color: var(--ink); }
.contact-card p { color: var(--muted); font-size: .96rem; margin-bottom: 18px; }
.contact-link { display: inline-block; margin-top: auto; font-family: var(--font-head); font-weight: 600; color: var(--blue); transition: gap .3s; }
.contact-card:hover .contact-link span { display: inline-block; transform: translateX(5px); transition: transform .3s; }

/* ----- Modales ----- */
body.modal-lock { overflow: hidden; }
.modal {
  position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
  padding: 20px; visibility: hidden; opacity: 0; transition: opacity .3s, visibility .3s;
}
.modal.open { visibility: visible; opacity: 1; }
.modal-overlay { position: absolute; inset: 0; background: rgba(6,28,60,.55); backdrop-filter: blur(4px); }
.modal-card {
  position: relative; z-index: 1; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  background: var(--white); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: 0 30px 70px rgba(3,28,68,.4);
  transform: translateY(24px) scale(.97); opacity: 0; transition: transform .4s cubic-bezier(.22,1,.36,1), opacity .4s;
}
.modal.open .modal-card { transform: translateY(0) scale(1); opacity: 1; }
.modal-close {
  position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border: none; cursor: pointer;
  background: var(--blue-soft); color: var(--blue); border-radius: 50%; display: flex; align-items: center; justify-content: center;
  transition: background .25s, transform .25s;
}
.modal-close:hover { background: #d6efff; transform: rotate(90deg); }
.modal-close svg { width: 20px; height: 20px; }
.modal-head { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; padding-right: 34px; }
.modal-ico {
  flex-shrink: 0; width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 35% 30%, #eaf6ff, var(--blue-soft)); color: var(--blue);
}
.modal-ico .ico { width: 30px; height: 30px; }
.modal-head h3 { font-size: 1.4rem; margin-bottom: 2px; }
.modal-head p { color: var(--muted); font-size: .92rem; }
.check-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; cursor: pointer; font-size: .96rem; color: var(--ink); }
.check-row + .check-row { border-top: 1px solid var(--line); }
.check-row input { width: 18px; height: 18px; accent-color: var(--blue); flex-shrink: 0; }
.check-row small { color: var(--muted); }

/* ----- Confirmation après envoi ----- */
.form-done { text-align: center; padding: 18px 8px 6px; animation: doneIn .5s ease both; }
.form-done-ico {
  display: inline-flex; align-items: center; justify-content: center; width: 72px; height: 72px;
  border-radius: 50%; background: rgba(46,204,113,.14); color: var(--green-dark); margin-bottom: 16px;
}
.form-done-ico svg { width: 36px; height: 36px; }
.form-done h4 { font-family: var(--font-head); font-size: 1.4rem; color: var(--ink); margin-bottom: 8px; }
.form-done p { color: var(--muted); }
@keyframes doneIn { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: scale(1); } }

/* ============================= FOOTER ============================= */
.footer { background: var(--blue-deep); color: rgba(255,255,255,.85); padding: 56px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; }
.footer-logo {
  height: 40px; width: auto;
  background: #fff; padding: 7px 11px; border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
}
.footer-logo.img-missing { width: 52px; min-height: 52px; border-radius: 50%; }
.footer-tagline { margin-top: 12px; font-family: var(--font-head); font-weight: 600; color: #fff; }
.footer-tagline span { color: var(--blue-light); font-weight: 500; }
.footer-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,.8); padding: 9px 0; transition: color .2s; }
.footer-col a:hover { color: var(--blue-light); }
.footer-city { color: rgba(255,255,255,.6); font-size: .88rem; margin-top: 8px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; text-align: center; font-size: .85rem; color: rgba(255,255,255,.6); }
.footer-bottom-links { margin-top: 6px; }
.footer-bottom a { color: rgba(255,255,255,.78); text-decoration: none; }
.footer-bottom a:hover { color: #fff; text-decoration: underline; }

/* ============================= NAV ACTIVE ============================= */
.nav-links a.active { color: var(--blue-light); }
.navbar.scrolled .nav-links a.active { color: var(--blue); background: var(--blue-soft); }
.nav-links a.nav-cta.active { color: var(--white); }

/* Accueil (fond photo) : menu en blanc gras + légère ombre pour rester lisible sur la photo claire */
body:not(.page-inner) .navbar:not(.scrolled) .nav-links a {
  color: #fff; font-weight: 700; text-shadow: 0 1px 10px rgba(3,18,46,.55);
}
body:not(.page-inner) .navbar:not(.scrolled) .nav-links a.active { color: #fff !important; }
body:not(.page-inner) .navbar:not(.scrolled) .nav-links a.nav-cta { text-shadow: none; }
body:not(.page-inner) .navbar:not(.scrolled) .burger span { box-shadow: 0 1px 5px rgba(3,18,46,.45); }

/* ============================= FAQ ============================= */
.faq { background: linear-gradient(180deg, var(--white), var(--blue-soft)); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow .25s;
}
.faq-item[open] { box-shadow: var(--shadow-md); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px;
  font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: var(--blue-deep);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; flex-shrink: 0; font-size: 1.5rem; font-weight: 400; color: var(--green-dark);
  line-height: 1; transition: transform .3s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { background: var(--blue-soft); }
.faq-answer { padding: 0 22px 20px; color: var(--muted); font-size: .98rem; max-width: 68ch; line-height: 1.7; }
.faq-answer a { color: var(--blue); font-weight: 600; }
.faq-answer a:hover { text-decoration: underline; }

/* ============================= RETOUR EN HAUT ============================= */
.to-top {
  position: fixed; left: 18px; bottom: 18px; z-index: 1400;
  width: 48px; height: 48px; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: #fff;
  display: grid; place-items: center; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* ============================= REVEAL ANIM ============================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-reveal="left"]  { transform: translateX(-44px); }
.reveal[data-reveal="right"] { transform: translateX(44px); }
.reveal[data-reveal="zoom"]  { transform: scale(.92); }
.reveal[data-reveal].visible { transform: none; }

/* stagger doux pour les grilles */
.marque-grid .reveal:nth-child(2), .benefits-grid .reveal:nth-child(2), .products-grid .reveal:nth-child(2), .process-timeline .reveal:nth-child(2) { transition-delay: .08s; }
.marque-grid .reveal:nth-child(3), .benefits-grid .reveal:nth-child(3), .products-grid .reveal:nth-child(3), .process-timeline .reveal:nth-child(3) { transition-delay: .16s; }
.marque-grid .reveal:nth-child(4), .benefits-grid .reveal:nth-child(4), .products-grid .reveal:nth-child(4), .process-timeline .reveal:nth-child(4) { transition-delay: .24s; }
.benefits-grid .reveal:nth-child(5), .process-timeline .reveal:nth-child(5) { transition-delay: .32s; }
.benefits-grid .reveal:nth-child(6), .process-timeline .reveal:nth-child(6) { transition-delay: .40s; }

/* ============================= BARRE DE PROGRESSION ============================= */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 4px; width: 100%; z-index: 2000;
  transform: scaleX(0); transform-origin: 0 50%; will-change: transform;
  background: linear-gradient(90deg, var(--blue-light), var(--green));
  box-shadow: 0 0 10px rgba(46,204,113,.5);
}

/* ============================= HERO : confiance + scroll cue ============================= */
.hero-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 28px; }
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; color: rgba(255,255,255,.92); font-size: .9rem; font-weight: 500; }
.hero-trust .trust-ico { font-size: 1.05rem; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 104px; transform: translateX(-50%); z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.85); font-family: var(--font-head); font-size: .7rem;
  text-transform: uppercase; letter-spacing: 2px;
}
.scroll-cue-dot { width: 26px; height: 44px; border: 2px solid rgba(255,255,255,.6); border-radius: 16px; position: relative; }
.scroll-cue-dot::before {
  content: ""; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; border-radius: 50%; background: #fff; animation: cueScroll 1.8s ease-in-out infinite;
}
@keyframes cueScroll { 0%{ opacity: 0; top: 8px } 30%{ opacity: 1 } 70%{ opacity: 1 } 100%{ opacity: 0; top: 28px } }

/* ============================= NOTRE HISTOIRE ============================= */
.histoire { background: var(--white); overflow: hidden; }
.story-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.story-text .eyebrow { text-align: left; }
.story-text .eyebrow::after { left: 0; transform: none; }
.story-text h2 { font-size: clamp(1.8rem, 6vw, 2.6rem); margin-bottom: 18px; }
.story-text > p { color: var(--muted); margin-bottom: 16px; max-width: 64ch; line-height: 1.75; }
.story-text strong { color: var(--blue-deep); }
.story-pillars { display: grid; gap: 18px; margin-top: 26px; }
.pillar {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px; box-shadow: var(--shadow-sm); transition: transform .3s, box-shadow .3s;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pillar h3 { font-size: 1.1rem; margin-bottom: 8px; display: flex; align-items: center; gap: 12px; }
.pillar-ico {
  width: 44px; height: 44px; padding: 11px; border-radius: 50%; flex-shrink: 0;
  background: rgba(46,204,113,.12); stroke: var(--green-dark);
}
.pillar p { color: var(--muted); font-size: .95rem; line-height: 1.6; }

.story-visual { display: flex; justify-content: center; }
.source-card {
  position: relative; width: min(440px, 100%); margin: 0;
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
  background: var(--blue-soft); border: 6px solid #fff;
}
.source-img { display: block; width: 100%; height: 380px; object-fit: cover; }
.source-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; gap: 8px;
  padding: 26px 18px 14px; color: #fff; font-family: var(--font-head); font-weight: 600;
  font-size: .98rem; background: linear-gradient(to top, rgba(6,49,107,.85), transparent);
}
.source-caption .ico { stroke: var(--cyan); width: 1.2em; height: 1.2em; }
.source-badge {
  position: absolute; top: 14px; right: 14px; width: 78px; height: 78px;
  background: #fff; border-radius: 50%; display: grid; place-items: center;
  box-shadow: var(--shadow-md); animation: floaty 5s ease-in-out infinite;
}
.source-badge img { width: 64%; height: auto; }
.source-badge img.img-missing { width: 64%; min-height: 40px; }

/* chiffres clés */
.stats-strip {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 54px;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  border-radius: var(--radius); padding: 34px 24px; box-shadow: var(--shadow-md);
}
.stat { text-align: center; color: #fff; }
.stat-num { display: block; font-family: var(--font-head); font-weight: 800; font-size: clamp(1.9rem, 6vw, 2.7rem); color: var(--cyan); line-height: 1; }
.stat-label { display: block; margin-top: 8px; font-size: .9rem; color: rgba(255,255,255,.85); }

/* ============================= QUALITÉ / PROCESSUS ============================= */
.qualite { background: linear-gradient(180deg, var(--blue-soft), var(--white)); }
/* Processus : timeline verticale connectée (plus de rectangles) */
.process-timeline {
  list-style: none; position: relative; max-width: 760px; margin: 10px auto 0;
  display: flex; flex-direction: column;
}
.process-timeline::before {
  content: ""; position: absolute; top: 10px; bottom: 18px; left: 27px; width: 3px;
  background: linear-gradient(180deg, var(--blue-light), var(--green)); border-radius: 3px;
}
.step {
  position: relative; padding: 4px 0 34px 84px; background: none; border: 0; box-shadow: none;
  transition: transform .3s;
}
.step:last-child { padding-bottom: 0; }
.step:hover { transform: translateX(4px); }
.step-num {
  position: absolute; left: 0; top: 0; width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: #fff;
  display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem;
  box-shadow: 0 8px 18px rgba(6,49,107,.32); border: 4px solid #fff; z-index: 1;
}
.step-ico {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 11px;
  background: var(--blue-soft); margin: 2px 0 12px;
}
.step-ico .ico { width: 21px; height: 21px; }
.step h3 { font-size: 1.22rem; margin-bottom: 6px; color: var(--ink); }
.step p { color: var(--muted); font-size: .97rem; line-height: 1.65; max-width: 520px; }

/* Garanties : médaillons circulaires (plus de rectangles) */
.certif-band {
  margin-top: 56px; border-radius: var(--radius); padding: 46px 28px;
  background: linear-gradient(135deg, var(--blue-soft), #ffffff 70%);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.certif-head { text-align: center; max-width: 580px; margin: 0 auto 38px; }
.certif-head h3 { font-size: 1.5rem; margin-bottom: 8px; }
.certif-head p { color: var(--muted); font-size: .96rem; }
.certif-grid { display: grid; grid-template-columns: 1fr; gap: 32px 18px; }
.certif-item {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 16px;
  background: transparent; padding: 0;
}
.certif-ico {
  width: 88px; height: 88px; padding: 24px; border-radius: 50%; flex-shrink: 0;
  background: #fff; border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(6,49,107,.14); stroke: var(--blue);
  transition: transform .35s, box-shadow .35s;
}
.certif-item:hover .certif-ico {
  transform: translateY(-6px); box-shadow: 0 18px 34px rgba(6,49,107,.22);
}
.certif-item p { font-weight: 600; color: var(--ink); font-size: .98rem; max-width: 190px; line-height: 1.5; }

/* ============================= BANNIÈRE CTA ============================= */
.cta-banner {
  position: relative; overflow: hidden; padding: 64px 0;
  background:
    radial-gradient(900px 400px at 85% -20%, rgba(74,168,224,.5), transparent 60%),
    linear-gradient(150deg, var(--blue-deep), var(--blue) 70%, var(--blue-light));
}
.cta-inner {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center;
}
.eyebrow--light { color: var(--cyan); }
.cta-text h2 { color: #fff; font-size: clamp(1.7rem, 5vw, 2.5rem); margin-bottom: 14px; }
.cta-text p { color: rgba(255,255,255,.9); max-width: 520px; margin-bottom: 24px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta-bottles {
  display: flex; justify-content: center; align-items: flex-end; gap: 6px;
  filter: drop-shadow(0 24px 40px rgba(0,0,0,.35));
}
.cta-bottle { width: auto; will-change: transform; }
.cta-bottle--sm { height: 200px; animation: ctaFloat 5.5s ease-in-out infinite; animation-delay: .6s; }
.cta-bottle--md { height: 220px; animation: ctaFloat 6.5s ease-in-out infinite; animation-delay: 1.2s; }
.cta-bottle--lg { height: 270px; z-index: 2; animation: ctaFloat 6s ease-in-out infinite; }
@keyframes ctaFloat {
  0%,100% { transform: translateY(6px) rotate(-1.4deg); }
  50%     { transform: translateY(-14px) rotate(1.4deg); }
}
.cta-bubbles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.cta-bubbles span {
  position: absolute; bottom: -40px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.5), rgba(255,255,255,.05));
  animation: rise linear infinite;
}
.cta-bubbles span:nth-child(1){ left:10%; width:14px; height:14px; animation-duration:12s; }
.cta-bubbles span:nth-child(2){ left:30%; width:9px;  height:9px;  animation-duration:9s;  animation-delay:1.5s; }
.cta-bubbles span:nth-child(3){ left:55%; width:18px; height:18px; animation-duration:14s; animation-delay:2s; }
.cta-bubbles span:nth-child(4){ left:72%; width:11px; height:11px; animation-duration:10s; animation-delay:.8s; }
.cta-bubbles span:nth-child(5){ left:90%; width:8px;  height:8px;  animation-duration:8s;  animation-delay:2.5s; }

/* ============================= ACCUEIL : hub de navigation ============================= */
.nav-hub { background: linear-gradient(180deg, #ffffff, #f3f9fe); }
.hub-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.hub-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow-sm);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s, border-color .3s;
}
.hub-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.hub-ico {
  display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px;
  background: var(--blue-soft); margin-bottom: 6px;
}
.hub-ico .ico { width: 28px; height: 28px; stroke: var(--blue); }
.hub-card h3 { font-size: 1.25rem; color: var(--ink); }
.hub-card p { color: var(--muted); font-size: .96rem; line-height: 1.6; }
.hub-link {
  margin-top: auto; padding-top: 10px; font-family: var(--font-head); font-weight: 600;
  color: var(--blue); display: inline-flex; align-items: center; gap: 6px;
}
.hub-card:hover .hub-link { gap: 10px; }
.hub-card--cta { background: linear-gradient(150deg, var(--blue-deep), var(--blue)); border-color: transparent; }
.hub-card--cta h3, .hub-card--cta p { color: #fff; }
.hub-card--cta p { color: rgba(255,255,255,.9); }
.hub-card--cta .hub-ico { background: rgba(255,255,255,.18); }
.hub-card--cta .hub-ico .ico { stroke: #fff; }
.hub-card--cta .hub-link { color: var(--cyan); }

/* ============================= BIENFAITS : bande lifestyle ============================= */
.lifestyle-head { text-align: center; max-width: 620px; margin: 60px auto 26px; }
.lifestyle-head h3 { font-size: clamp(1.4rem, 4vw, 1.9rem); color: var(--ink); margin-bottom: 8px; }
.lifestyle-head p { color: var(--muted); }
.lifestyle-strip { display: grid; grid-template-columns: 1fr; gap: 18px; }
.ls-item {
  position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md);
}
.ls-item img {
  display: block; width: 100%; height: 320px; object-fit: cover;
  transition: transform .6s cubic-bezier(.22,1,.36,1);
}
.ls-item:hover img { transform: scale(1.05); }
.ls-item figcaption {
  position: absolute; left: 0; bottom: 0; right: 0; padding: 30px 18px 16px;
  color: #fff; font-family: var(--font-head); font-weight: 600; font-size: 1.1rem;
  background: linear-gradient(to top, rgba(6,49,107,.9), transparent);
}

/* ============================= QUALITÉ : galerie & bande ============================= */
.quality-gallery {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 48px 0 32px;
}
.qg-item {
  position: relative; margin: 0; border-radius: var(--radius-sm); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.qg-item img {
  display: block; width: 100%; height: 210px; object-fit: cover;
  transition: transform .6s cubic-bezier(.22,1,.36,1);
}
.qg-item:hover img { transform: scale(1.06); }
.qg-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 12px;
  color: #fff; font-family: var(--font-head); font-weight: 600; font-size: .92rem;
  background: linear-gradient(to top, rgba(6,49,107,.92), transparent);
}
.quality-band {
  position: relative; min-height: 280px; border-radius: var(--radius); overflow: hidden;
  margin: 0 0 48px; display: grid; place-items: center;
  background: url("../images/quality/riviere.jpg") center/cover no-repeat;
}
.quality-band-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(6,49,107,.78), rgba(46,204,113,.4));
}
.quality-band-text {
  position: relative; z-index: 2; color: #fff; max-width: 780px; text-align: center;
  font-family: var(--font-head); font-weight: 600; font-size: clamp(1.2rem, 3vw, 1.85rem);
  line-height: 1.5; padding: 36px 22px; text-shadow: 0 2px 16px rgba(0,0,0,.35);
}

/* ============================= NOTRE HISTOIRE (récit) ============================= */
.story-feature { background: linear-gradient(180deg, #f3f9fe, #ffffff); overflow: hidden; }
.story-head { max-width: 760px; margin: 0 auto 0; text-align: center; }
.story-lead { font-size: 1.18rem; color: var(--muted); margin-top: 12px; }
.story-lead strong { color: var(--blue); }

/* Bande immersive parallaxe */
.story-band {
  position: relative; margin: 48px 0 64px; min-height: 360px;
  display: grid; place-items: center; padding: 60px 22px;
  background: url("../images/story/paysage.jpg") center/cover no-repeat;
}
/* effet "fixed" seulement sur grand écran avec souris (évite le jank mobile) */
@media (min-width: 1000px) and (pointer: fine) {
  .story-band { background-attachment: fixed; }
}
.story-band-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(6,49,107,.78), rgba(21,101,192,.55));
}
.story-band-quote {
  position: relative; z-index: 2; max-width: 880px; text-align: center; margin: 0;
  color: #fff; font-family: var(--font-head); font-weight: 600;
  font-size: clamp(1.25rem, 3.2vw, 2rem); line-height: 1.45; text-shadow: 0 2px 18px rgba(0,0,0,.35);
}

/* Lignes alternées texte / image */
.story-rows { display: flex; flex-direction: column; gap: 64px; }
.story-row { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
.story-row-media { position: relative; }
.story-row-media img {
  display: block; width: 100%; height: 320px; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  transition: transform .6s cubic-bezier(.22,1,.36,1);
}
.story-row-media img:hover { transform: scale(1.03); }
.story-row-media--duo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.story-row-media--duo img { height: 240px; }
.story-row-txt h3 {
  font-size: 1.55rem; color: var(--ink); margin-bottom: 14px; position: relative; padding-bottom: 12px;
}
.story-row-txt h3::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 54px; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--green)); border-radius: 4px;
}
.story-row-txt p { color: var(--muted); margin-bottom: 12px; line-height: 1.75; max-width: 64ch; }

.story-signature {
  text-align: center; margin: 60px auto 0; max-width: 720px;
  font-family: var(--font-head); font-weight: 700; font-size: clamp(1.2rem, 3vw, 1.7rem);
  color: var(--blue-deep);
}

/* ============================= RESPONSIVE ============================= */
@media (min-width: 600px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .product-img { height: 240px; }
  .product-img img { max-height: 240px; }
  .marque-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
  .lifestyle-strip { grid-template-columns: 1fr 1fr; }
  .stats-strip { grid-template-columns: repeat(4, 1fr); }
  .process-timeline { grid-template-columns: repeat(2, 1fr); }
  .certif-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-bottom: 90px; }
  .hero-text { max-width: 580px; }
  .marque-grid { grid-template-columns: repeat(4, 1fr); }
  .benefits-grid { grid-template-columns: repeat(3, 1fr); }
  .products-grid { grid-template-columns: repeat(4, 1fr); }
  .contact-options { grid-template-columns: repeat(2, 1fr); max-width: 760px; }
  .forms-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .story-grid { grid-template-columns: 1.1fr .9fr; align-items: center; }
  .quality-gallery { grid-template-columns: repeat(4, 1fr); }
  .hub-grid { grid-template-columns: repeat(4, 1fr); }
  .story-row { grid-template-columns: 1fr 1fr; gap: 48px; }
  .story-row--reverse .story-row-media { order: 2; }
  .story-row-media img { height: 380px; }
  .story-row-media--duo img { height: 300px; }
  .process-timeline { grid-template-columns: repeat(3, 1fr); }
  .certif-grid { grid-template-columns: repeat(4, 1fr); }
  .cta-inner { grid-template-columns: 1.1fr .9fr; gap: 40px; }
}

/* ---- Menu mobile ---- */
@media (max-width: 899px) {
  .burger { display: flex; }
  .nav-links {
    position: fixed; top: 0; right: -100%; height: 100svh; width: min(80%, 320px);
    background: var(--blue-deep); flex-direction: column; align-items: flex-start;
    padding: 90px 28px 28px; gap: 6px; transition: right .35s ease; box-shadow: var(--shadow-lg);
  }
  .nav-links.open { right: 0; }
  .nav-links a { color: #fff !important; width: 100%; font-size: 1.05rem; padding: 12px 14px; }
  .nav-links a:hover { background: rgba(255,255,255,.1); }
  .nav-cta { text-align: center; margin-top: 10px; }
}

/* ---- Réduire animations si demandé ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .hero-bottle-stage { transform: none !important; }
}

/* ---- Performance mobile : on allège le hero (la vidéo suffit) ---- */
@media (max-width: 760px) {
  .section { padding: 56px 0; }
}

/* Indices de compositing pour les éléments en mouvement permanent */
.hero-bottle, .cta-bottle, .source-badge { will-change: transform; }

/* ============================================================
   MOTION+ — couche d'enrichissement (additive, design inchangé)
   Easing signature, reveals affinés, stagger auto, micro-interactions.
   Entièrement neutralisée par prefers-reduced-motion (bloc en fin).
   ============================================================ */
:root {
  --ease-out: cubic-bezier(.22, .61, .36, 1);
  --ease-spring: cubic-bezier(.34, 1.4, .64, 1);
}

/* — Reveal affiné : courbe signature + léger flou qui se dissipe — */
.reveal {
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out), filter .8s var(--ease-out);
  filter: blur(4px);
}
.reveal.visible { filter: blur(0); }

/* — Stagger automatique pour toutes les grilles (var --i posée en JS).
     Les délais explicites définis plus haut (benefits/products/process…)
     restent prioritaires grâce à leur spécificité plus forte. — */
.reveal { transition-delay: calc(var(--i, 0) * .06s); }

/* — Easing cohérent sur les survols de cartes (mêmes durées qu'avant) — */
.feature-card, .benefit-card, .product-card, .hub-card,
.pillar, .contact-card, .step, .qg-item, .ls-item, .story-row-media img {
  transition-timing-function: var(--ease-out);
}

/* — Boutons : courbe + léger retour tactile au clic — */
.btn { transition: transform .28s var(--ease-spring), box-shadow .28s var(--ease-out), background .28s var(--ease-out), color .28s var(--ease-out); }
.btn:active { transform: translateY(-1px) scale(.985); }

/* — Navbar (accueil, au-dessus du hero) : soulignement animé au survol — */
body:not(.page-inner) .navbar:not(.scrolled) .nav-links > a:not(.nav-cta) { position: relative; }
body:not(.page-inner) .navbar:not(.scrolled) .nav-links > a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  border-radius: 2px; background: var(--blue-light);
  transform: scaleX(0); transform-origin: 50% 50%;
  transition: transform .3s var(--ease-out);
}
body:not(.page-inner) .navbar:not(.scrolled) .nav-links > a:not(.nav-cta):hover::after { transform: scaleX(1); }

/* — Cartes simples : voile lumineux discret qui balaie une fois au survol — */
.feature-card, .benefit-card, .hub-card { position: relative; overflow: hidden; }
.feature-card::after, .benefit-card::after, .hub-card::after {
  content: ""; position: absolute; top: 0; left: -60%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.42), transparent);
  transform: skewX(-18deg); pointer-events: none; opacity: 0;
  transition: opacity .25s ease;
}
.feature-card:hover::after, .benefit-card:hover::after, .hub-card:hover::after {
  opacity: 1; animation: cardSheen .9s var(--ease-out);
}
@keyframes cardSheen { from { left: -60%; } to { left: 130%; } }

/* — Liens de pied de page & FAQ : petit glissement de la puce/flèche — */
.faq-item summary { transition: background .25s var(--ease-out); }

/* — Respect strict de prefers-reduced-motion pour tous les ajouts ci-dessus — */
@media (prefers-reduced-motion: reduce) {
  .reveal { filter: none !important; transition-delay: 0 !important; }
  .feature-card::after, .benefit-card::after, .hub-card::after { display: none !important; }
}

/* ============================================================
   MOTION+ 3D — profondeur interactive (tilt + reflet + entrée 3D)
   Pilotée en JS (classe .tilt, vars --gx/--gy). Tactile & reduced-motion : off.
   ============================================================ */
.tilt {
  position: relative; will-change: transform;
  transition: transform .4s var(--ease-out), box-shadow .3s var(--ease-out),
              opacity .8s var(--ease-out), filter .8s var(--ease-out);
}
.tilt.is-tilting {
  transition: transform .08s linear, box-shadow .25s var(--ease-out) !important;
  box-shadow: var(--shadow-lg);
}
/* Reflet lumineux suivant le curseur (cartes à overflow caché uniquement) */
.tilt-glare {
  position: absolute; inset: 0; border-radius: inherit; z-index: 3;
  pointer-events: none; opacity: 0; transition: opacity .3s ease;
  background: radial-gradient(circle at var(--gx,50%) var(--gy,50%),
              rgba(255,255,255,.5), rgba(255,255,255,0) 42%);
  mix-blend-mode: soft-light;
}
.tilt.is-tilting .tilt-glare { opacity: 1; }

/* Entrée 3D au défilement : les cartes basculent en perspective en apparaissant */
.feature-card.reveal, .benefit-card.reveal, .hub-card.reveal,
.product-card.reveal, .contact-card.reveal, .pillar.reveal {
  transform: perspective(1000px) translateY(34px) rotateX(12deg);
  transform-origin: 50% 100%;
}
.feature-card.reveal.visible, .benefit-card.reveal.visible, .hub-card.reveal.visible,
.product-card.reveal.visible, .contact-card.reveal.visible, .pillar.reveal.visible {
  transform: perspective(1000px) translateY(0) rotateX(0);
}

/* Boutons magnétiques : suivi léger du curseur (transform inline en JS) */
.btn.is-magnetic { transition: transform .2s var(--ease-out), box-shadow .28s var(--ease-out) !important; }

/* prefers-reduced-motion : on neutralise les effets 3D */
@media (prefers-reduced-motion: reduce) {
  .feature-card.reveal, .benefit-card.reveal, .hub-card.reveal,
  .product-card.reveal, .contact-card.reveal, .pillar.reveal { transform: none !important; }
  .tilt-glare { display: none !important; }
}

/* — Bouteille produit : profondeur 3D (sort de la carte pendant le tilt) — */
.product-card.tilt, .product-card .product-img { transform-style: preserve-3d; }
.product-card.is-tilting .product-img img {
  animation: none !important;
  transform: translateZ(60px) translateY(-6px) scale(1.05) !important;
}

/* — Fond en parallaxe multi-couches (blobs doux, injectés en JS) — */
.bg-parallax { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-parallax span {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: .42; will-change: transform;
}
.bg-parallax .b1 { width: 460px; height: 460px; left: -120px; top: 12%;
  background: radial-gradient(circle, rgba(74,168,224,.55), transparent 70%); }
.bg-parallax .b2 { width: 560px; height: 560px; right: -160px; top: 45%;
  background: radial-gradient(circle, rgba(46,204,113,.40), transparent 70%); }
.bg-parallax .b3 { width: 400px; height: 400px; left: 28%; top: 78%;
  background: radial-gradient(circle, rgba(21,101,192,.45), transparent 70%); }

@media (prefers-reduced-motion: reduce) {
  .product-card.is-tilting .product-img img { transform: none !important; }
}
/* fond parallaxe actif aussi sur mobile (memes animations que le desktop) */

/* ============================================================
   MOTION+ TEXTE — titres animés mot par mot + accent dégradé animé
   Le JS découpe les titres en mots (.word) et ajoute .is-revealed à l'apparition.
   ============================================================ */
.anim-words .word {
  display: inline-block;
  opacity: 0; transform: translateY(.5em) rotate(2deg);
  transition: opacity .55s var(--ease-out), transform .55s var(--ease-out);
  transition-delay: calc(var(--wi, 0) * .055s);
  will-change: opacity, transform;
}
.anim-words.is-revealed .word { opacity: 1; transform: none; }

/* Accent du hero : dégradé qui coule en continu */
.accent-water {
  background: linear-gradient(100deg, #d9f3ff 0%, #7fd0f5 28%, #eaf9ff 50%, #7fd0f5 72%, #d9f3ff 100%);
  background-size: 220% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: accentFlow 6s linear infinite;
}
@keyframes accentFlow { from { background-position: 0% center; } to { background-position: 220% center; } }

@media (prefers-reduced-motion: reduce) {
  .anim-words .word { opacity: 1 !important; transform: none !important; }
  .accent-water { animation: none !important; }
}

/* ============================================================
   ACCESSIBILITÉ — focus clavier visible (neutre pour la souris)
   Une regle :where() (specificite 0) pour tous les interactifs,
   + overrides cibles la ou le fond demande plus de contraste.
   ============================================================ */
:where(a, button, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--blue-light);
  outline-offset: 3px;
}
.faq-item summary:focus-visible {
  background: var(--blue-soft); outline: none;
  box-shadow: inset 0 0 0 2px var(--blue-light);
}
.to-top:focus-visible { outline: 3px solid var(--white); outline-offset: 2px; }
.modal-close:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }


/* Accessibilité : lien d'évitement clavier (skip-link) */
.skip-link { position: absolute; left: 8px; top: -52px; z-index: 2000; background: var(--blue-deep); color: #fff; padding: 10px 16px; border-radius: 8px; font-family: var(--font-head); font-weight: 600; transition: top .2s ease; }
.skip-link:focus { top: 8px; outline: 3px solid #fff; outline-offset: 2px; }
/* Accueil : léger voile en haut de la navbar non défilée pour garantir le contraste du menu sur la photo */
body:not(.page-inner) .navbar:not(.scrolled) { background: linear-gradient(180deg, rgba(3,18,46,.42), rgba(3,18,46,0)); }


/* ============================================================
   ÉVOLUTION DESIGN « Source pure » — finition premium/éditoriale
   Couche additive (surcharge le système existant, aucun changement HTML).
   ============================================================ */

/* 1) Pastilles d'icônes : dégradé bleu -> cyan, icône blanche */
.feature-icon, .benefit-icon, .contact-ico, .hub-ico {
  background: linear-gradient(140deg, var(--blue), var(--blue-light));
  border: 0;
  box-shadow: 0 14px 28px rgba(8, 76, 160, .28);
}
.feature-icon .ico, .benefit-icon .ico, .contact-ico .ico, .hub-ico .ico { stroke: #fff; }
.feature-card:hover .feature-icon, .benefit-card:hover .benefit-icon { box-shadow: 0 20px 38px rgba(8, 76, 160, .38); }
.contact-card:hover .contact-ico { background: linear-gradient(140deg, var(--blue-deep), var(--blue)); }

/* 2) Cartes : profondeur douce, bordure discrète (ombre > bordure) */
.feature-card, .benefit-card, .product-card, .hub-card, .contact-card, .minerality {
  border-color: rgba(8, 76, 160, .07);
  box-shadow: 0 2px 4px rgba(6, 49, 107, .04), 0 14px 32px rgba(6, 49, 107, .09);
}
.feature-card:hover, .benefit-card:hover, .product-card:hover, .contact-card:hover {
  box-shadow: 0 12px 22px rgba(6, 49, 107, .10), 0 30px 60px rgba(6, 49, 107, .17);
}

/* 3) Titres de section : plus de présence + filet dégradé */
.section-head h1, .section-head h2 { font-size: clamp(2rem, 6.2vw, 2.9rem); font-weight: 800; }
.section-head { margin-bottom: 54px; }
.eyebrow::after { background: linear-gradient(90deg, var(--blue), var(--blue-light)); width: 44px; }

/* 4) Rythme : fonds légèrement teintés sur les sections de listing (alternance) */
.nav-hub, .faq { background: linear-gradient(180deg, #f5fbff, #eaf5fd); }

/* Utilitaires de rythme réutilisables (sections claires / sombres) */
.section--tint { background: linear-gradient(180deg, #f5fbff, #eaf5fd); }
.section--dark { background: radial-gradient(1100px 520px at 80% -10%, rgba(74,168,224,.18), transparent 60%), linear-gradient(160deg, var(--blue-deep), var(--blue)); }
.section--dark .eyebrow { color: var(--blue-light); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .lead, .section--dark p { color: rgba(255,255,255,.85); }

/* Bande « Pourquoi NAFI » (atouts, sur fond sombre) */
.atouts-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
.atout { text-align: center; padding: 6px; }
.atout-ico { display: inline-grid; place-items: center; width: 74px; height: 74px; border-radius: 50%; margin-bottom: 16px; background: linear-gradient(140deg, var(--blue-light), #9bd8ff); box-shadow: 0 14px 30px rgba(8,76,160,.40); }
.atout-ico .ico { width: 32px; height: 32px; stroke: var(--blue-deep); }
.atout h3 { font-size: 1.12rem; margin-bottom: 8px; }
.atout p { font-size: .95rem; line-height: 1.55; }
/* Traitement d'image unifié (galeries / lifestyle) */
.qg-item, .ls-item { box-shadow: 0 14px 32px rgba(6,49,107,.13); }
@media (min-width: 700px) { .atouts-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .atouts-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; } }

/* Vidéo de fond de la bande « Pourquoi NAFI » (eau en mouvement) */
.atouts { position: relative; overflow: hidden; }
.atouts-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; border: 0; }
.atouts-overlay { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(160deg, rgba(6,49,107,.80), rgba(10,61,122,.74) 55%, rgba(6,49,107,.82)); }
.atouts .container { position: relative; z-index: 2; }
@media (prefers-reduced-motion: reduce) { .atouts-video { display: none; } }
@media (max-width: 760px) { .atouts-video { display: none; } }


/* Vidéo de fond du bandeau CTA (eau / ondes) */
.cta-video, .cta-vidtint { position: absolute; inset: 0; }
.cta-video { width: 100%; height: 100%; object-fit: cover; z-index: 0; border: 0; }
.cta-vidtint { z-index: 0; background: linear-gradient(150deg, rgba(6,49,107,.85), rgba(21,101,192,.70) 65%, rgba(74,168,224,.55)); }
@media (prefers-reduced-motion: reduce) { .cta-video, .cta-vidtint { display: none; } }
@media (max-width: 760px) { .cta-video, .cta-vidtint { display: none; } }

/* ============================================================
   Fond « lumière d'eau » : base claire teintée + halos aquatiques diffus
   (les sections de contenu deviennent transparentes ; cartes blanches en relief)
   ============================================================ */
body { background: linear-gradient(180deg, #eef5fc 0%, #e6f0fa 100%); background-attachment: fixed; }
.bienfaits, .contact, .nav-hub, .faq { background: transparent; }
.bg-parallax span { opacity: .5; filter: blur(75px); }
.bg-parallax .b1 { background: radial-gradient(circle, rgba(74,168,224,.55), transparent 70%); }
.bg-parallax .b2 { background: radial-gradient(circle, rgba(125,201,255,.48), transparent 70%); }
.bg-parallax .b3 { background: radial-gradient(circle, rgba(21,101,192,.40), transparent 70%); }

/* ============================================================
   Bande « Notre source » : paysage naturel (montagne) en parallaxe
   ============================================================ */
.source-band {
  position: relative;
  padding: clamp(80px, 12vw, 130px) 0;
  text-align: center;
  overflow: hidden;
  background-color: var(--blue-deep);
  background-image: url('../images/story/montagne.jpg'); /* fallback */
  background-image: -webkit-image-set(url('../images/story/montagne.webp') type('image/webp'), url('../images/story/montagne.jpg') type('image/jpeg'));
  background-image: image-set(url('../images/story/montagne.webp') type('image/webp'), url('../images/story/montagne.jpg') type('image/jpeg'));
  background-size: cover;
  background-position: center 35%;
  background-attachment: fixed;
}
.source-band-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,49,107,.48) 0%, rgba(6,49,107,.66) 100%); }
.source-band-inner { position: relative; z-index: 1; max-width: 680px; }
.source-band .eyebrow { color: var(--cyan); }
.source-band .eyebrow::after { background: rgba(217,243,255,.75); }
.source-band h2 { color: #fff; font-size: clamp(2rem, 6vw, 3rem); font-weight: 800; margin: 0; }
.source-band p { color: rgba(255,255,255,.92); font-size: 1.1rem; line-height: 1.7; margin: 18px auto 0; max-width: 600px; }
@media (max-width: 760px) { .source-band { background-attachment: scroll; padding: 72px 0; } }

/* ============================================================
   Bannière d'en-tête des pages internes (image + titre)
   + navbar transparente en overlay (cohérent avec l'accueil)
   ============================================================ */
body.page-inner.has-banner { padding-top: 0; }

.page-hero {
  position: relative;
  padding: clamp(128px, 17vh, 184px) 0 clamp(56px, 8vw, 84px);
  text-align: center;
  overflow: hidden;
  background-color: var(--blue-deep);
  background-image:
    radial-gradient(1100px 520px at 80% -10%, rgba(74,168,224,.40), transparent 60%),
    linear-gradient(160deg, var(--blue-deep) 0%, var(--blue) 60%, var(--blue-light) 135%);
  background-size: cover;
  background-position: center;
}
.page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,49,107,.42) 0%, rgba(6,49,107,.62) 100%); }
.page-hero-inner { position: relative; z-index: 1; max-width: 760px; }
.page-hero .eyebrow { color: var(--cyan); }
.page-hero .eyebrow::after { background: rgba(217,243,255,.75); }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 6vw, 3rem); font-weight: 800; margin: 0; text-shadow: 0 2px 18px rgba(3,18,46,.45); }
.page-hero .lead, .page-hero .section-sub { color: rgba(255,255,255,.92); font-size: 1.08rem; line-height: 1.6; margin: 16px auto 0; max-width: 620px; text-shadow: 0 1px 10px rgba(3,18,46,.4); }

/* Images de fond par page (webp + jpg en repli) */
.page-hero--bienfaits {
  background-image: -webkit-image-set(url('../images/story/cascade-wide.webp') type('image/webp'), url('../images/story/cascade-wide.jpg') type('image/jpeg'));
  background-image: image-set(url('../images/story/cascade-wide.webp') type('image/webp'), url('../images/story/cascade-wide.jpg') type('image/jpeg'));
}
.page-hero--qualite {
  background-image: -webkit-image-set(url('../images/quality/usine.webp') type('image/webp'), url('../images/quality/usine.jpg') type('image/jpeg'));
  background-image: image-set(url('../images/quality/usine.webp') type('image/webp'), url('../images/quality/usine.jpg') type('image/jpeg'));
  background-position: center 32%;
}
.page-hero--contact {
  background-image: -webkit-image-set(url('../images/story/paysage.webp') type('image/webp'), url('../images/story/paysage.jpg') type('image/jpeg'));
  background-image: image-set(url('../images/story/paysage.webp') type('image/webp'), url('../images/story/paysage.jpg') type('image/jpeg'));
}
/* .page-hero (sans modificateur) = dégradé bleu NAFI (repli) */
.page-hero--produits {
  background-image: -webkit-image-set(url('../images/products/banniere.webp') type('image/webp'), url('../images/products/banniere.jpg') type('image/jpeg'));
  background-image: image-set(url('../images/products/banniere.webp') type('image/webp'), url('../images/products/banniere.jpg') type('image/jpeg'));
  background-position: center 58%;
}
.page-hero--produits::before { background: linear-gradient(180deg, rgba(6,49,107,.46) 0%, rgba(6,49,107,.64) 100%); }

/* Navbar transparente en overlay sur les pages à bannière (tant qu'on n'a pas défilé) */
body.page-inner.has-banner .navbar:not(.scrolled) { background: linear-gradient(180deg, rgba(3,18,46,.45), rgba(3,18,46,0)); box-shadow: none; }
body.page-inner.has-banner .navbar:not(.scrolled) .nav-links a { color: #fff; text-shadow: 0 1px 10px rgba(3,18,46,.55); }
body.page-inner.has-banner .navbar:not(.scrolled) .nav-links a:hover { background: rgba(255,255,255,.16); color: #fff; }
body.page-inner.has-banner .navbar:not(.scrolled) .nav-links a.active { color: #fff !important; background: rgba(255,255,255,.20); }
body.page-inner.has-banner .navbar:not(.scrolled) .burger span { background: #fff; box-shadow: 0 1px 5px rgba(3,18,46,.45); }