/* ============================================================
   Aquatycia - Design System "Aqua Glass"
   Laboratoire d'analyses d'eau · accrédité COFRAC ISO 17025
   Palette navy/aqua · Lora (display) + Raleway (UI)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Raleway:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Core palette - Aquatycia navy → aqua */
  --c-primary:        #002b5c;   /* navy */
  --c-primary-2:      #1e5f8f;   /* mid blue */
  --c-primary-light:  #38bdf8;   /* sky / aqua glow */
  --c-aqua:           #22d3ee;   /* cyan accent */
  --c-accent:         #06b6d4;   /* CTA cyan */
  --c-accent-hover:   #0891b2;
  --c-green:          #059669;
  --c-amber:          #d97706;
  --c-red:            #dc2626;

  /* Backgrounds */
  --c-bg:             #f5fafe;
  --c-bg-alt:         #eaf3fb;
  --c-ink:            #061a30;   /* deep section bg */

  /* Text */
  --c-text:           #0b2545;
  --c-text-muted:     #5a7088;
  --c-text-inv:       #eaf4ff;

  /* Surfaces */
  --c-white:          #ffffff;
  --c-border-subtle:  #d3e4f3;

  /* Glass */
  --glass-bg:         rgba(255, 255, 255, 0.62);
  --glass-blur:       20px;
  --glass-border:     1px solid rgba(255, 255, 255, 0.55);
  --glass-shadow:     0 8px 32px rgba(0, 43, 92, 0.10);
  --glass-dark-bg:    rgba(6, 26, 48, 0.55);

  /* Shadows - navy-tinted */
  --shadow-sm:  0 2px 10px  rgba(0, 43, 92, 0.07);
  --shadow-md:  0 8px 30px  rgba(0, 43, 92, 0.12);
  --shadow-lg:  0 20px 60px rgba(0, 43, 92, 0.20);

  --gradient:   linear-gradient(135deg, #002b5c 0%, #1e5f8f 55%, #38bdf8 130%);
  --gradient-cta: linear-gradient(135deg, #06b6d4 0%, #38bdf8 100%);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 34px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Raleway', system-ui, -apple-system, sans-serif;
  font-weight: 400; font-size: 1rem; line-height: 1.7;
  color: var(--c-text); background-color: var(--c-bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  min-height: 100vh; overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 120% 80% at 8% 0%,   rgba(56, 189, 248, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 80%  60% at 95% 12%,  rgba(30, 95, 143, 0.10) 0%, transparent 55%),
    radial-gradient(ellipse 70%  80% at 50% 100%, rgba(34, 211, 238, 0.06) 0%, transparent 70%);
  background-attachment: fixed;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--c-primary-2); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--c-accent-hover); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: 'Lora', Georgia, serif; line-height: 1.15; color: var(--c-text); font-weight: 700; }
h4, h5 { font-family: 'Raleway', sans-serif; font-weight: 700; line-height: 1.3; color: var(--c-text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.015em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
h4 { font-size: 1.2rem; }
p { margin-bottom: 1rem; color: var(--c-text-muted); }
strong { color: var(--c-text); font-weight: 700; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: 'Raleway', sans-serif; font-weight: 700; font-size: 0.78rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--c-accent-hover);
  margin-bottom: 1rem;
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: var(--gradient-cta); border-radius: 2px; }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--c-text-muted); max-width: 60ch; }
.subtitle { font-size: 1.1rem; color: var(--c-text-muted); max-width: 680px; margin-inline: auto; }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }

.gradient-text {
  background: var(--gradient); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; display: inline;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 1.5rem; }
.container-narrow { max-width: 820px; }
.section { padding: clamp(3.5rem, 8vw, 7rem) 0; position: relative; }
.section-alt { background: var(--c-bg-alt); }
.section-dark {
  background: var(--c-ink); color: var(--c-text-inv);
  background-image:
    radial-gradient(ellipse 90% 70% at 12% 0%, rgba(56,189,248,0.16) 0%, transparent 55%),
    radial-gradient(ellipse 70% 60% at 92% 100%, rgba(34,211,238,0.12) 0%, transparent 55%);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-dark p, .section-dark .subtitle, .section-dark .lead { color: rgba(234,244,255,0.78); }
.section-header { max-width: 720px; margin: 0 auto clamp(2rem,5vw,3.5rem); text-align: center; }

/* ---------- Glass + glow utilities ---------- */
.glass {
  background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur)); border: var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.glow {
  box-shadow: 0 0 0 1px rgba(56,189,248,0.18), 0 8px 40px rgba(6,182,212,0.18), 0 0 80px rgba(56,189,248,0.08);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  padding: 0.95rem 2rem; font-family: 'Raleway', sans-serif; font-weight: 700;
  font-size: 0.95rem; border-radius: 999px; transition: all var(--transition-base);
  border: 2px solid transparent; letter-spacing: 0.01em; position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.25) 50%, transparent 60%);
  transform: translateX(-120%); transition: transform 0.55s ease;
}
.btn:hover::after { transform: translateX(120%); }
.btn-primary { background: var(--gradient-cta); color: #fff; box-shadow: 0 8px 24px rgba(6,182,212,0.32); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(6,182,212,0.42); }
.btn-dark { background: var(--gradient); color: #fff; box-shadow: 0 8px 24px rgba(0,43,92,0.28); }
.btn-dark:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 34px rgba(0,43,92,0.4); }
.btn-outline { border-color: rgba(255,255,255,0.4); color: #fff; background: rgba(255,255,255,0.06); backdrop-filter: blur(6px); }
.btn-outline:hover { color: #fff; background: rgba(255,255,255,0.16); transform: translateY(-2px); }
.btn-ghost { color: var(--c-primary); border-color: var(--c-border-subtle); background: rgba(255,255,255,0.6); }
.btn-ghost:hover { color: var(--c-primary); border-color: var(--c-primary-2); transform: translateY(-2px); }
.btn-lg { padding: 1.1rem 2.6rem; font-size: 1.02rem; }

/* ---------- Grid ---------- */
.grid { display: grid; gap: 1.75rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: repeat(2,1fr);} .grid-3 { grid-template-columns: repeat(2,1fr);} .grid-4 { grid-template-columns: repeat(2,1fr);} }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3,1fr);} .grid-4 { grid-template-columns: repeat(4,1fr);} }

/* ---------- Cards ---------- */
.card {
  background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur)); border: var(--glass-border);
  border-radius: var(--radius-md); padding: 2rem; box-shadow: var(--glass-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative; overflow: hidden; height: 100%;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent); pointer-events: none;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(56,189,248,0.35); }
.card h3, .card h4 { margin-bottom: 0.6rem; }
.card p { font-size: 0.95rem; line-height: 1.65; margin-bottom: 0; }
.section-dark .card { background: var(--glass-dark-bg); border-color: rgba(255,255,255,0.1); }
.section-dark .card h3, .section-dark .card h4 { color: #fff; }
.section-dark .card p { color: rgba(234,244,255,0.74); }

.card-icon {
  width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; font-size: 1.6rem;
  background: linear-gradient(135deg, rgba(6,182,212,0.16), rgba(56,189,248,0.16));
  color: var(--c-accent-hover); border: 1px solid rgba(56,189,248,0.22);
}
.card-link { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 1.1rem; font-weight: 700; font-size: 0.9rem; }
.card-link::after { content: '→'; transition: transform var(--transition-fast); }
.card:hover .card-link::after { transform: translateX(4px); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.85rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 700; font-family: 'Raleway', sans-serif; letter-spacing: 0.02em;
}
.badge-blue { background: rgba(30,95,143,0.12); color: var(--c-primary-2); border: 1px solid rgba(30,95,143,0.22); }
.badge-aqua { background: rgba(6,182,212,0.12); color: var(--c-accent-hover); border: 1px solid rgba(6,182,212,0.25); }
.badge-green { background: rgba(5,150,105,0.12); color: var(--c-green); border: 1px solid rgba(5,150,105,0.22); }
.badge-cofrac {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.45rem 1rem; border-radius: 999px;
  background: rgba(255,255,255,0.9); border: 1px solid var(--c-border-subtle); box-shadow: var(--shadow-sm);
  font-weight: 700; font-size: 0.82rem; color: var(--c-primary);
}
.badge-cofrac .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-green); box-shadow: 0 0 0 0 rgba(5,150,105,0.5); animation: pulse 2.4s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(5,150,105,0.5);} 70%{box-shadow:0 0 0 8px rgba(5,150,105,0);} 100%{box-shadow:0 0 0 0 rgba(5,150,105,0);} }

/* ---------- Stats ---------- */
.stat { text-align: center; }
.stat-num { font-family: 'Lora', serif; font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.section-dark .stat-num { background: linear-gradient(135deg,#38bdf8,#22d3ee); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.92rem; color: var(--c-text-muted); margin-top: 0.4rem; font-weight: 500; }
.section-dark .stat-label { color: rgba(234,244,255,0.7); }

/* ---------- Lists / checks ---------- */
.check-list li { display: flex; gap: 0.7rem; align-items: flex-start; padding: 0.5rem 0; color: var(--c-text); font-size: 0.97rem; }
.check-list li::before { content: '✓'; color: var(--c-accent-hover); font-weight: 800; flex-shrink: 0; }
.section-dark .check-list li { color: rgba(234,244,255,0.88); }

/* ---------- Process steps ---------- */
.step { position: relative; padding-left: 0; }
.step-num {
  width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: 'Lora', serif; font-weight: 700; font-size: 1.15rem; color: #fff; background: var(--gradient);
  margin-bottom: 1rem; box-shadow: var(--shadow-sm);
}

/* ---------- Accordion / FAQ ---------- */
.accordion { max-width: 820px; margin-inline: auto; }
.accordion-item { border-bottom: 1px solid var(--c-border-subtle); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.25rem 0; font-family: 'Raleway', sans-serif; font-size: 1.05rem; font-weight: 600;
  color: var(--c-text); text-align: left; transition: color var(--transition-fast);
}
.accordion-trigger:hover { color: var(--c-primary-2); }
.accordion-trigger::after { content: '+'; font-size: 1.6rem; font-weight: 300; color: var(--c-accent); transition: transform var(--transition-base); flex-shrink: 0; }
.accordion-item.active .accordion-trigger::after { transform: rotate(45deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.accordion-item.active .accordion-content { max-height: 600px; padding-bottom: 1.25rem; }
.accordion-content p { font-size: 0.96rem; line-height: 1.7; margin-bottom: 0.6rem; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 1.2rem; }
.form-label { display: block; font-weight: 600; font-size: 0.88rem; color: var(--c-text); margin-bottom: 0.4rem; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 0.85rem 1.05rem; font-family: 'Raleway', sans-serif; font-size: 0.95rem; color: var(--c-text);
  background: rgba(255,255,255,0.75); border: 1.5px solid var(--c-border-subtle); border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast); outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(6,182,212,0.16); background: #fff; }
.form-textarea { resize: vertical; min-height: 130px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.84rem; color: var(--c-text-muted); padding: 1rem 0 0; }
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-primary-2); }
.breadcrumb span { margin: 0 0.4rem; opacity: 0.5; }

/* ---------- Reveal (IntersectionObserver fallback) ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22,1,0.36,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; } .reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; } .reveal-d4 { transition-delay: 0.32s; }

/* Cinematic: GSAP drives [data-cinematic] interiors - neutralize CSS reveal there */
.cinematic-ready [data-cinematic] .reveal { transition: none !important; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: clamp(7rem, 14vw, 10rem) 0 clamp(2.5rem,6vw,4rem); position: relative; overflow: hidden; }
.page-hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 80% 90% at 80% -10%, rgba(56,189,248,0.16), transparent 60%),
    radial-gradient(ellipse 70% 80% at 0% 110%, rgba(30,95,143,0.12), transparent 60%);
}
.page-hero h1 { max-width: 18ch; }
.page-hero .lead { margin-top: 1.2rem; }

/* Page hero illustré (image de thème) - chaque page intérieure */
.page-hero.has-bg { color: #fff; }
.page-hero.has-bg::before {
  background:
    linear-gradient(180deg, rgba(3,16,33,0.62) 0%, rgba(3,16,33,0.48) 45%, rgba(3,16,33,0.82) 100%),
    var(--hero-bg) center/cover no-repeat;
}
.page-hero.has-bg h1, .page-hero.has-bg .lead, .page-hero.has-bg h2 { color: #fff; }
.page-hero.has-bg .lead { color: rgba(255,255,255,0.9); }
.page-hero.has-bg .eyebrow { color: #7dd3fc; }
.page-hero.has-bg .eyebrow::before { background: #38bdf8; }
.page-hero.has-bg .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.08); }
.page-hero.has-bg .btn-ghost:hover { color: #fff; background: rgba(255,255,255,0.18); }
.page-hero.has-bg .badge-cofrac { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.3); color: #fff; }

/* Image de contenu (full-bleed) */
.full-bleed-media { aspect-ratio: 16/10; }
.full-bleed-media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Devis widget (iframe legacy) ---------- */
.devis-embed { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--c-border-subtle); background: #fff; }
.devis-embed iframe { display: block; width: 100%; min-height: 1180px; border: 0; }
@media (max-width: 640px) { .devis-embed iframe { min-height: 1480px; } }
.devis-embed .embed-loader { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: #fff; transition: opacity 0.4s ease; z-index: 2; }
.devis-embed .embed-loader.hidden { opacity: 0; pointer-events: none; }
.devis-embed .embed-loader .spin { width: 42px; height: 42px; border-radius: 50%; border: 3px solid var(--c-border-subtle); border-top-color: var(--c-accent); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer CTA band ---------- */
.cta-band { text-align: center; }
.cta-band .btn { margin: 0.4rem; }

/* ---------- Utilities ---------- */
.flex { display: flex; } .items-center { align-items: center; } .gap-1 { gap: 1rem; } .gap-2 { gap: 1.5rem; }
.mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mb-1 { margin-bottom: 1rem; }
.wrap { flex-wrap: wrap; } .justify-center { justify-content: center; }
.full-bleed-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }