/* ============================================================
   Plomberie Martin — Plomberie-Chauffage · Lyon
   Charte : bleu marine & blanc · Ton sérieux et rassurant
   Mobile-first
   ============================================================ */

:root {
  /* Couleurs */
  --navy-950: #061a30;
  --navy-900: #0a2342;
  --navy-800: #0e2f5a;
  --navy-700: #143f6e;
  --blue-600: #1a5fb4;
  --blue-500: #2174d8;
  --sky-100: #e7f0fa;
  --sky-50: #f4f8fc;
  --accent: #e2571e;        /* urgence */
  --accent-dark: #c74a12;
  --gold: #f7a325;
  --ink: #1d2c3b;
  --muted: #51667a;
  --line: #dce6ef;
  --white: #ffffff;

  /* Typo */
  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --container: 1120px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(10, 35, 66, 0.08);
  --shadow-md: 0 12px 32px rgba(10, 35, 66, 0.14);
  --shadow-lg: 0 24px 60px rgba(6, 26, 48, 0.28);
  --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: none; }
h1, h2, h3 { line-height: 1.2; color: var(--navy-900); margin: 0 0 0.6em; font-weight: 800; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy-900); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  padding: 0.8rem 1.4rem; border-radius: 999px;
  font-family: var(--font); font-weight: 700; font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn-lg { padding: 0.95rem 1.7rem; font-size: 1.02rem; }

.btn-urgence { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(226, 87, 30, 0.35); }
.btn-urgence:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }

.btn-primary { background: var(--navy-800); color: #fff; }
.btn-primary:hover { background: var(--navy-700); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.55); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: 0.65rem; }
.brand-logo { border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.05rem; font-weight: 800; color: var(--navy-900); letter-spacing: -0.01em; }
.brand-text small { font-size: 0.72rem; font-weight: 600; color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; }

.main-nav { display: none; }
.nav-list { display: flex; gap: 1.6rem; }
.nav-list a {
  font-weight: 600; font-size: 0.95rem; color: var(--navy-900);
  padding: 0.35rem 0; border-bottom: 2px solid transparent; transition: border-color var(--transition), color var(--transition);
}
.nav-list a:hover { color: var(--blue-600); border-color: var(--blue-500); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.header-phone {
  display: none; align-items: center; gap: 0.45rem;
  font-weight: 800; color: var(--navy-900); font-size: 0.98rem;
}
.header-phone:hover { color: var(--blue-600); }
.header-actions .btn { padding: 0.62rem 1.1rem; font-size: 0.88rem; }

/* Burger */
.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px;
  background: var(--sky-50); border: 1px solid var(--line); border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--navy-900); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile */
.main-nav.open {
  display: block;
  position: absolute; top: 72px; left: 0; right: 0;
  background: var(--white); border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-md); padding: 1rem 1.25rem 1.4rem;
}
.main-nav.open .nav-list { flex-direction: column; gap: 0.25rem; }
.main-nav.open .nav-list a { display: block; padding: 0.7rem 0.5rem; border-radius: var(--radius-sm); border-bottom: none; font-size: 1.02rem; }
.main-nav.open .nav-list a:hover { background: var(--sky-50); color: var(--blue-600); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(33, 116, 216, 0.35), transparent 60%),
    radial-gradient(900px 480px at -10% 110%, rgba(33, 116, 216, 0.22), transparent 55%),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-800) 65%, var(--navy-700) 100%);
  color: #fff;
  padding: 3.5rem 0 4.5rem;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 26px 26px;
}
.hero-inner { position: relative; z-index: 1; display: grid; gap: 2.5rem; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px; padding: 0.45rem 1rem;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em; color: #e8f0fa;
  margin-bottom: 1.2rem;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.2); }

.hero h1 { color: #fff; font-size: clamp(2rem, 5.4vw, 3.1rem); letter-spacing: -0.02em; margin-bottom: 0.5em; }
.hero .accent-text { color: #8ec3ff; }
.hero-lead { font-size: clamp(1rem, 2vw, 1.12rem); color: #d6e2f0; max-width: 34em; }

.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 1.6rem 0 1.9rem; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem; margin: 0; padding: 1.1rem 1.25rem; border-radius: var(--radius); background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.14); }
.hero-trust li { font-size: 0.88rem; color: #cfe0f2; }
.hero-trust strong { color: #fff; }

.stars { color: var(--gold); letter-spacing: 0.1em; font-size: 0.95rem; }
.stars-lg { font-size: 1.35rem; }

.hero-visual { position: relative; }
.hero-visual img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.hero-card {
  position: absolute; display: flex; align-items: center; gap: 0.6rem;
  background: #fff; color: var(--ink); border-radius: var(--radius);
  padding: 0.7rem 0.95rem; font-size: 0.8rem; line-height: 1.3;
  box-shadow: var(--shadow-md);
}
.hero-card strong { color: var(--navy-900); display: block; }
.hero-card-icon { font-size: 1.3rem; }
.hero-card-1 { bottom: -1.1rem; left: -0.5rem; }
.hero-card-2 { top: -0.9rem; right: -0.5rem; }

/* ---------- Sections ---------- */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--sky-50); border-block: 1px solid var(--line); }

.section-head { max-width: 680px; margin: 0 auto 2.2rem; text-align: center; }
.overline {
  font-size: 0.78rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--blue-600); margin-bottom: 0.7rem;
}
.section-head h2 { font-size: clamp(1.5rem, 3.6vw, 2.1rem); letter-spacing: -0.015em; }
.section-sub { color: var(--muted); margin-bottom: 0; }

/* ---------- Cartes prestations ---------- */
.cards-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }

.card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c3d7ea; }

.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 14px; margin-bottom: 1rem;
  background: var(--sky-100); color: var(--blue-600);
}
.card h3 { font-size: 1.12rem; margin-bottom: 0.45em; }
.card p { font-size: 0.93rem; color: var(--muted); flex-grow: 1; }
.card-link { font-size: 0.9rem; font-weight: 700; color: var(--blue-600); }
.card-link:hover { color: var(--navy-800); }

/* Bandeau devis gratuit */
.devis-banner {
  display: flex; flex-direction: column; gap: 1rem; align-items: flex-start;
  margin-top: 2rem; padding: 1.6rem 1.6rem;
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius); color: #fff;
}
.devis-banner strong { font-size: 1.15rem; color: #fff; display: block; margin-bottom: 0.2rem; }
.devis-banner p { margin: 0; color: #cfe0f2; font-size: 0.92rem; }

/* ---------- Zones ---------- */
.zones-wrap { max-width: 720px; margin-inline: auto; text-align: center; }
.zones-main {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 1.15rem; font-weight: 800; color: var(--navy-900);
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 0.7rem 1.5rem; margin-bottom: 1.4rem; box-shadow: var(--shadow-sm);
}
.zones-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }
.zones-list li {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 0.5rem 1.1rem; font-size: 0.92rem; font-weight: 600; color: var(--navy-800);
  transition: background var(--transition), color var(--transition);
}
.zones-list li:hover { background: var(--navy-800); color: #fff; }
.zones-note { margin: 1.5rem 0 0; font-size: 0.9rem; color: var(--muted); }

/* ---------- Avis ---------- */
.rating-summary {
  display: inline-flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; justify-content: center;
  margin-top: 1rem; padding: 0.6rem 1.3rem;
  background: #fff; border: 1px solid var(--line); border-radius: 999px; box-shadow: var(--shadow-sm);
  font-size: 0.92rem; color: var(--muted);
}
.rating-summary strong { color: var(--navy-900); font-size: 1.1rem; }

.avis-grid { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
.avis {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue-500);
  border-radius: var(--radius); padding: 1.5rem 1.5rem; margin: 0;
  box-shadow: var(--shadow-sm);
}
.avis blockquote { margin: 0.7rem 0 0.8rem; font-size: 0.98rem; color: var(--ink); }
.avis figcaption { font-size: 0.82rem; color: var(--muted); font-weight: 600; }

/* ---------- À propos ---------- */
.apropos-grid { display: grid; gap: 2.2rem; align-items: center; }
.apropos-visual img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.apropos-content p { color: var(--muted); }
.apropos-list { margin: 1.2rem 0 1.6rem; display: grid; gap: 0.55rem; }
.apropos-list li { display: flex; gap: 0.6rem; align-items: flex-start; font-weight: 600; color: var(--navy-900); font-size: 0.95rem; }
.apropos-list li span { color: #16a34a; font-weight: 800; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem; text-align: center; box-shadow: var(--shadow-sm);
}
.stat strong { display: block; font-size: 1.5rem; color: var(--navy-900); letter-spacing: -0.02em; }
.stat span { font-size: 0.8rem; color: var(--muted); font-weight: 600; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 1.6rem; }

.contact-form-wrap { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem 1.4rem; box-shadow: var(--shadow-sm); }
.form-row { display: grid; gap: 1rem; grid-template-columns: 1fr; }

.form-field { margin-bottom: 1rem; }
.form-field label { display: block; font-weight: 700; font-size: 0.88rem; color: var(--navy-900); margin-bottom: 0.35rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; font-family: var(--font); font-size: 0.95rem; color: var(--ink);
  padding: 0.72rem 0.9rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--sky-50); transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--blue-500); background: #fff; box-shadow: 0 0 0 4px rgba(33, 116, 216, 0.14);
}
.form-field input[aria-invalid="true"], .form-field textarea[aria-invalid="true"] { border-color: #dc2626; }
.form-note { font-size: 0.8rem; color: var(--muted); margin: 0.2rem 0 1rem; }
.form-status { font-size: 0.9rem; font-weight: 700; margin: 0.9rem 0 0; min-height: 1.2em; }
.form-status.ok { color: #15803d; }
.form-status.err { color: #b91c1c; }

.contact-infos h3 { font-size: 1.05rem; margin-bottom: 0.9rem; }
.contact-list { display: grid; gap: 0.9rem; margin-bottom: 1.5rem; }
.contact-list li { display: flex; gap: 0.85rem; align-items: flex-start; }
.ci-icon {
  flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px; font-size: 1.15rem;
  background: var(--sky-100);
}
.ci-urgence .ci-icon { background: #fdeae1; }
.contact-list strong { display: block; color: var(--navy-900); font-size: 0.95rem; }
.contact-list a { font-weight: 700; color: var(--blue-600); font-size: 1.02rem; }
.contact-list a:hover { color: var(--navy-800); }
.contact-list small { color: var(--muted); font-size: 0.8rem; }
.contact-list address { color: var(--muted); font-size: 0.92rem; }

.horaires { background: var(--sky-50); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.3rem; margin-bottom: 1.4rem; }
.horaires h3 { margin-bottom: 0.6rem; }
.horaires ul { display: grid; gap: 0.4rem; }
.horaires li { display: flex; justify-content: space-between; font-size: 0.92rem; color: var(--muted); }
.horaires li strong { color: var(--navy-900); }

.map-placeholder { border-radius: var(--radius); border: 1px solid var(--line); width: 100%; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #b9cbe0; }
.footer-grid {
  display: grid; gap: 2rem; padding-block: 3rem 2rem;
  grid-template-columns: 1fr;
}
.footer-col h3 { color: #fff; font-size: 0.95rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 1rem; }
.brand-footer { margin-bottom: 1rem; }
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text small { color: #8fa6bf; }
.footer-brand p { font-size: 0.9rem; }
.footer-rating { font-size: 0.9rem; color: #dfe9f4; }
.footer-links { display: grid; gap: 0.5rem; font-size: 0.9rem; }
.footer-links a { color: #b9cbe0; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 1.1rem 0; }
.footer-bottom-inner { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.8rem; color: #7f96ad; }
.footer-bottom p { margin: 0; }

/* ---------- Barre d'appel mobile ---------- */
@media (max-width: 1023px) {
  body { padding-bottom: 56px; }
}
.mobile-callbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 0;
  box-shadow: 0 -6px 24px rgba(6, 26, 48, 0.22);
}
.mobile-callbar a {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.95rem 0.5rem; font-weight: 800; font-size: 0.95rem;
}
.mobile-callbar-urgence { background: var(--accent); color: #fff; }
.mobile-callbar-devis { background: var(--navy-900); color: #fff; }

/* ---------- Animations d'apparition ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Accessibilité ---------- */
:focus-visible { outline: 3px solid var(--blue-500); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ============================================================
   Écrans ≥ 640px
   ============================================================ */
@media (min-width: 640px) {
  .section { padding: 4.5rem 0; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .avis-grid { grid-template-columns: repeat(3, 1fr); }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .devis-banner { flex-direction: row; align-items: center; justify-content: space-between; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; }
}

/* ============================================================
   Écrans ≥ 1024px
   ============================================================ */
@media (min-width: 1024px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
  .header-phone { display: inline-flex; }
  .hero { padding: 5.5rem 0 6rem; }
  .hero-inner { grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 3rem; }
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1.05fr 0.95fr; align-items: start; }
  .apropos-grid { grid-template-columns: 0.95fr 1.05fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .mobile-callbar { display: none; }
}

@media (min-width: 1024px) and (max-width: 1139px) {
  .header-phone { display: none; }
}