/* ============ Design tokens ============ */
:root {
  --blue: #14509E;
  --blue-dark: #0D3A78;
  --navy: #0B2A52;
  --gold: #F0A202;
  --gold-dark: #C9840A;
  --urgent: #D64545;
  --ink: #16202E;
  --grey: #5C6674;
  --bg: #F5F6F8;
  --line: #E1E5EB;
  --white: #FFFFFF;

  --font: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px -4px rgba(11, 42, 82, 0.2);
  --shadow: 0 16px 40px -18px rgba(11, 42, 82, 0.32);
  --shadow-lg: 0 28px 64px -20px rgba(11, 42, 82, 0.38);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --container: 1180px;
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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;
    scroll-behavior: auto !important;
  }
}

body, h1, h2, h3, p, figure, ul, ol { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-4); }
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--blue); color: var(--white);
  padding: var(--space-2) var(--space-3); z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ============ Typography ============ */
h1, h2, h3 { font-weight: 800; letter-spacing: -0.01em; line-height: 1.15; color: var(--ink); }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); }
h3 { font-size: 1.1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--blue); background: var(--bg); border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px; margin-bottom: var(--space-2);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

.lede { color: var(--grey); font-size: clamp(1.02rem, 1.5vw, 1.18rem); max-width: 56ch; }
.section-head { max-width: 640px; margin-bottom: var(--space-5); }

/* ============ Demo banner ============ */
.demo-banner {
  background: var(--navy);
  color: rgba(255,255,255,0.92);
  text-align: center;
  font-size: 0.85rem;
  padding: 10px var(--space-2);
}
.demo-banner a { color: var(--gold); font-weight: 700; text-decoration: underline; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 9px; font-weight: 700; font-size: 0.98rem;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn svg { width: 18px; height: 18px; }

.btn-gold { background: var(--gold); color: var(--navy); box-shadow: 0 8px 20px -10px rgba(240, 162, 2, 0.6); }
.btn-gold:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: 0 14px 26px -10px rgba(240, 162, 2, 0.65); }

.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { border-color: var(--white); transform: translateY(-2px); }

.btn-blue { background: var(--blue); color: var(--white); }
.btn-blue:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.btn-ghost { background: transparent; color: var(--blue); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--blue); }

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 12px 32px -20px rgba(11,42,82,0.35); }

.site-header > .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); height: 80px; }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand .brand-icon {
  width: 38px; height: 38px; border-radius: 10px; background: var(--blue);
  display: flex; align-items: center; justify-content: center; color: var(--white); flex-shrink: 0;
}
.brand .brand-icon svg { width: 20px; height: 20px; }
.brand-word { font-weight: 800; font-size: 1.18rem; color: var(--navy); line-height: 1.1; }
.brand-sub { display: block; font-size: 0.7rem; font-weight: 600; color: var(--grey); letter-spacing: 0.02em; }

.main-nav { display: none; }
.main-nav ul { display: flex; gap: var(--space-4); }
.main-nav a { text-decoration: none; font-weight: 600; font-size: 0.93rem; color: var(--ink); padding: 6px 2px; border-bottom: 2px solid transparent; }
.main-nav a:hover { border-bottom-color: var(--gold); }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.header-actions .btn-gold { display: none; }
.phone-pill {
  display: none; align-items: center; gap: 8px; text-decoration: none;
  font-weight: 700; color: var(--navy); font-size: 0.95rem;
}
.phone-pill svg { width: 18px; height: 18px; color: var(--gold-dark); }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; background: transparent; border: 1px solid var(--line); border-radius: 8px; color: var(--ink);
}
.nav-toggle svg { width: 20px; height: 20px; }

.mobile-nav { display: none; border-top: 1px solid var(--line); background: var(--white); }
.mobile-nav.is-open { display: block; }
.mobile-nav .container { padding-block: var(--space-3); display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav a { text-decoration: none; color: var(--ink); font-weight: 600; padding: 12px 4px; border-bottom: 1px solid var(--line); }
.mobile-nav .btn { margin-top: var(--space-2); width: 100%; }

@media (min-width: 1024px) {
  .main-nav { display: block; }
  .phone-pill { display: inline-flex; }
  .header-actions .btn-gold { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ============ Hero ============ */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue-dark) 62%, var(--blue) 100%);
  color: var(--white);
  padding-block: var(--space-6) var(--space-7);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: -10% -10% auto -10%; height: 640px;
  background: radial-gradient(560px 380px at 88% 8%, rgba(240, 162, 2, 0.16), transparent 70%),
    radial-gradient(420px 300px at 8% 90%, rgba(255,255,255,0.06), transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; gap: var(--space-5); }

.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: var(--space-3); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  padding: 7px 14px; border-radius: 999px; font-size: 0.82rem; font-weight: 600;
}
.hero-badge svg { width: 15px; height: 15px; color: var(--gold); }

.hero h1 { color: var(--white); margin-bottom: var(--space-3); animation: fade-up 0.7s var(--ease) both; }
.hero .lede { color: rgba(255,255,255,0.82); margin-bottom: var(--space-4); max-width: 60ch; animation: fade-up 0.7s var(--ease) both 0.08s; }

@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); animation: fade-up 0.7s var(--ease) both 0.16s; }

.hero-trust { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); animation: fade-up 0.7s var(--ease) both 0.24s; }
.hero-trust-item { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; color: rgba(255,255,255,0.85); }
.hero-trust-item svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; }

/* ============ Urgence banner ============ */
.urgence {
  background: var(--urgent);
  color: var(--white);
}
.urgence .container {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: var(--space-2);
  padding-block: 14px; text-align: center;
}
.urgence strong { font-weight: 800; }
.urgence a { color: var(--white); text-decoration: underline; font-weight: 700; white-space: nowrap; }

/* ============ Services ============ */
.services { padding-block: var(--space-7); }
.service-list { display: grid; gap: var(--space-3); }
.service-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.service-card .icon {
  width: 46px; height: 46px; border-radius: 11px; background: var(--bg); color: var(--blue);
  display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-2);
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}
.service-card .icon svg { width: 24px; height: 24px; }
.service-card:hover .icon { background: var(--blue); color: var(--white); }
.service-card h3 { margin-bottom: 6px; }
.service-card p { color: var(--grey); font-size: 0.95rem; }

@media (min-width: 700px) { .service-list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .service-list { grid-template-columns: repeat(3, 1fr); } }

/* ============ Why us ============ */
.why { padding-block: var(--space-7); background: var(--bg); }
.why-grid { display: grid; gap: var(--space-4); }
.why-item { display: flex; gap: var(--space-2); align-items: flex-start; }
.why-item .num {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: var(--gold); font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.why-item h3 { margin-bottom: 4px; }
.why-item p { color: var(--grey); font-size: 0.95rem; }

@media (min-width: 700px) { .why-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4) var(--space-5); } }

/* ============ Gallery ============ */
.gallery { padding-block: var(--space-7); }
.gallery-grid { display: grid; gap: var(--space-3); grid-template-columns: repeat(2, 1fr); }
.gallery-tile {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden;
  display: flex; align-items: flex-end; padding: var(--space-2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  background: var(--bg);
}
.gallery-tile:hover { transform: scale(1.02); box-shadow: var(--shadow); }
.gallery-tile img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.gallery-tile:hover img { transform: scale(1.06); }
.gallery-tile .tile-label { position: relative; color: var(--white); font-weight: 700; font-size: 0.9rem; }
.gallery-tile::before { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,42,82,0.78), rgba(11,42,82,0.05) 60%); z-index: 1; }
.gallery-tile .tile-label { z-index: 2; }

@media (min-width: 700px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }

/* ============ Zone ============ */
.zone { padding-block: var(--space-7); background: var(--navy); color: var(--white); }
.zone h2 { color: var(--white); }
.zone .lede { color: rgba(255,255,255,0.78); }
.zone-grid { display: grid; gap: var(--space-5); align-items: center; }
.zone-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--space-3); }
.zone-chip {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  padding: 8px 16px; border-radius: 999px; font-size: 0.88rem; font-weight: 600;
}
.zone-visual {
  border: 1px dashed rgba(255,255,255,0.3); border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.55);
}
.zone-visual svg { width: 64px; height: 64px; }

@media (min-width: 900px) { .zone-grid { grid-template-columns: 1.1fr 0.9fr; } }

/* ============ Avis ============ */
.avis { padding-block: var(--space-7); }
.avis-list { display: grid; gap: var(--space-3); }
.avis-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-3); }
.avis-stars { display: flex; gap: 3px; color: var(--gold); margin-bottom: var(--space-2); }
.avis-stars svg { width: 16px; height: 16px; }
.avis-card p.quote { color: var(--ink); font-size: 0.97rem; margin-bottom: var(--space-2); }
.avis-author { font-size: 0.85rem; color: var(--grey); font-weight: 600; }
.avis-note { margin-top: var(--space-3); font-size: 0.82rem; color: var(--grey); font-style: italic; }

@media (min-width: 800px) { .avis-list { grid-template-columns: repeat(3, 1fr); } }

/* ============ Devis form ============ */
.devis { padding-block: var(--space-7); background: var(--bg); scroll-margin-top: 80px; }
.devis-wrap {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-3); display: grid; gap: var(--space-5); box-shadow: var(--shadow);
}
.devis-copy ul { display: grid; gap: 10px; margin-top: var(--space-3); }
.devis-copy li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; color: var(--grey); }
.devis-copy li svg { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; margin-top: 2px; }

.form-grid { display: grid; gap: var(--space-3); }
.form-field { display: grid; gap: 6px; }
.form-field label { font-weight: 700; font-size: 0.9rem; }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; font-family: inherit; background: var(--white); color: var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--blue); }
.form-field textarea { resize: vertical; min-height: 90px; }
.form-actions .btn { width: 100%; }
.form-note { margin-top: var(--space-2); font-size: 0.82rem; color: var(--grey); }

.form-success {
  display: none; text-align: center; padding: var(--space-4) var(--space-2);
}
.form-success.is-visible { display: block; }
.form-success svg { width: 44px; height: 44px; color: var(--blue); margin-inline: auto; margin-bottom: var(--space-2); }
.form-success p { color: var(--grey); }

@media (min-width: 900px) { .devis-wrap { grid-template-columns: 1fr 1fr; padding: var(--space-6); align-items: center; } }

/* ============ Footer ============ */
.site-footer { padding-block: var(--space-5); background: var(--navy); color: rgba(255,255,255,0.85); }
.footer-inner { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .brand-icon { background: var(--gold); color: var(--navy); }
.footer-brand span { font-weight: 800; color: var(--white); font-size: 1.05rem; }
.footer-desc { font-size: 0.9rem; max-width: 46ch; color: rgba(255,255,255,0.6); }
.footer-credit {
  font-size: 0.85rem; color: rgba(255,255,255,0.55); padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,0.12); margin-top: var(--space-2);
}
.footer-credit a { color: var(--gold); font-weight: 700; text-decoration: underline; }

@media (min-width: 700px) {
  .footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-4); }
}

/* ============ Scroll reveal ============ */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
.js .reveal-group .reveal:nth-child(2) { transition-delay: 0.08s; }
.js .reveal-group .reveal:nth-child(3) { transition-delay: 0.16s; }
.js .reveal-group .reveal:nth-child(4) { transition-delay: 0.24s; }
.js .reveal-group .reveal:nth-child(5) { transition-delay: 0.32s; }
.js .reveal-group .reveal:nth-child(6) { transition-delay: 0.4s; }