/*
Theme Name: ALB Rénovations
Theme URI: https://albrenovations.ch
Author: ALB Rénovations
Description: Thème sur mesure pour ALB Rénovations — Rénovations, Fibre optique, Génie civil. Structure one-page avec réalisations, services, chiffres clés et contact.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: alb-renovations
*/

/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  --alb-blue: #0a3aa5;          /* bleu royal du logo */
  --alb-blue-deep: #082a78;     /* navy profond */
  --alb-ink: #0d1b3e;           /* texte sombre bleuté */
  --alb-fiber: #3fa9ff;         /* cyan fibre optique */
  --alb-silver: #8a93a3;        /* gris argent des tours */
  --alb-mist: #f4f6fb;          /* fond clair bleuté */
  --alb-white: #ffffff;
  --alb-line: #dde3ef;

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Jost", "Segoe UI", sans-serif;

  --container: 1180px;
  --radius: 4px;
  --shadow: 0 18px 50px -18px rgba(8, 42, 120, 0.25);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   Base
   ========================================================================== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--alb-ink);
  background: var(--alb-white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--alb-blue); text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--alb-fiber); outline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  color: var(--alb-ink);
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Eyebrow — petit label surligné façon "RÉNOVATIONS • FIBREOPTIC • GÉNIE CIVIL" */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--alb-blue);
}
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--alb-fiber); }

/* Boutons */
.btn {
  display: inline-block; padding: 15px 34px;
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  border: 2px solid var(--alb-blue); border-radius: var(--radius);
  cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--alb-blue); color: #fff; }
.btn-primary:hover { background: var(--alb-blue-deep); border-color: var(--alb-blue-deep); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--alb-blue); }
.btn-ghost:hover { background: var(--alb-blue); color: #fff; }
.btn-light { border-color: #fff; color: #fff; background: transparent; }
.btn-light:hover { background: #fff; color: var(--alb-blue-deep); }

/* Arc signature — la courbe du logo utilisée comme séparateur de sections */
.arc-divider { display: block; width: 100%; height: 70px; }
.arc-divider path { fill: none; stroke: var(--alb-blue); stroke-width: 5; }
.arc-divider.arc-light path { stroke: rgba(255, 255, 255, 0.55); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-scrolled { border-color: var(--alb-line); box-shadow: 0 8px 30px -18px rgba(8, 42, 120, 0.35); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 24px; max-width: 1320px; margin: 0 auto; }
.site-branding a { display: flex; align-items: center; gap: 14px; }
.site-branding img { width: 68px; height: 68px; object-fit: contain; }
.site-branding .brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.site-branding .brand-name { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--alb-blue-deep); letter-spacing: 0.06em; }
.site-branding .brand-tag { font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--alb-silver); }

.main-nav ul { display: flex; gap: 34px; margin: 0; padding: 0; list-style: none; }
.main-nav a {
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--alb-ink); padding: 8px 0; position: relative;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--alb-fiber); transition: width 0.3s ease;
}
.main-nav a:hover::after, .main-nav .current-menu-item a::after { width: 100%; }

.header-cta { white-space: nowrap; }

/* Burger */
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--alb-blue-deep); margin: 6px 0; transition: var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .header-cta { display: none; }
  .main-nav {
    position: fixed; top: 92px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--alb-line);
    transform: translateY(-130%); transition: transform 0.4s ease;
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; gap: 0; padding: 12px 24px 24px; }
  .main-nav li { border-bottom: 1px solid var(--alb-mist); }
  .main-nav a { display: block; padding: 16px 0; font-size: 0.95rem; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  padding: 160px 0 120px;
  background: linear-gradient(160deg, var(--alb-blue-deep) 0%, var(--alb-blue) 55%, #1550c8 100%);
  color: #fff; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0.22; filter: saturate(0.7);
}
/* filaments fibre optique */
.hero-fibers { position: absolute; inset: 0; pointer-events: none; opacity: 0.5; }
.hero-fibers path { fill: none; stroke: var(--alb-fiber); stroke-width: 1.4; stroke-linecap: round; opacity: 0.6; }
.hero-fibers circle { fill: #bfe4ff; }

.hero-content { position: relative; max-width: 760px; }
.hero .eyebrow { color: #bfe4ff; }
.hero h1 { color: #fff; margin-bottom: 0.4em; }
.hero h1 em { font-style: italic; color: #bfe4ff; }
.hero-sub { font-size: 1.15rem; max-width: 540px; color: rgba(255, 255, 255, 0.85); margin-bottom: 2.2em; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-arc { position: absolute; left: 0; right: 0; bottom: -2px; }
.hero-arc svg { display: block; width: 100%; height: 90px; }
.hero-arc path { fill: var(--alb-white); }

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding: 100px 0; }
.section-mist { background: var(--alb-mist); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

/* À propos + chiffres */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-media::after {
  content: ""; position: absolute; inset: 24px -24px -24px 24px;
  border: 2px solid var(--alb-fiber); border-radius: var(--radius); z-index: -1;
}
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 72px; text-align: center; }
.stat-value {
  font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700; color: var(--alb-blue); line-height: 1;
}
.stat-label { margin-top: 10px; font-size: 0.9rem; color: var(--alb-silver); letter-spacing: 0.06em; }

/* Réalisations */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project-card {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: 1 / 1; background: var(--alb-blue-deep); display: block;
}
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover img { transform: scale(1.06); }
.project-card .project-info {
  position: absolute; inset: auto 0 0 0; padding: 48px 22px 20px;
  background: linear-gradient(to top, rgba(8, 26, 70, 0.9), transparent);
  color: #fff;
}
.project-info h3 { color: #fff; font-family: var(--font-body); font-size: 0.9rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; margin: 0 0 4px; }
.project-info span { font-size: 0.85rem; color: #bfd2f5; }
.section-foot { text-align: center; margin-top: 48px; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.service-card {
  background: #fff; border: 1px solid var(--alb-line); border-radius: var(--radius);
  padding: 40px 32px; transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--alb-blue), var(--alb-fiber));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 52px; height: 52px; margin-bottom: 22px; color: var(--alb-blue); }
.service-card h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.service-card p { color: #4a5670; font-size: 0.98rem; margin: 0; }

/* Avantages */
.advantages { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 56px; }
.advantage {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--alb-line); border-radius: 999px;
  padding: 12px 22px; font-size: 0.92rem; font-weight: 500;
}
.advantage svg { width: 18px; height: 18px; color: var(--alb-fiber); flex: none; }

/* Projet à la une */
.featured { background: var(--alb-blue-deep); color: #fff; }
.featured .eyebrow { color: #bfe4ff; }
.featured h2, .featured h3 { color: #fff; }
.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.featured-media img { border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5); }
.featured-meta { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.featured-meta li { display: grid; grid-template-columns: 160px 1fr; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid rgba(255, 255, 255, 0.15); font-size: 0.98rem; }
.featured-meta strong { font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; color: #9fc4ff; align-self: center; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; }
.contact-list { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 18px; }
.contact-list a { font-size: 1.25rem; font-weight: 500; color: var(--alb-ink); }
.contact-list a:hover { color: var(--alb-blue); }
.contact-list .label { display: block; font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--alb-silver); margin-bottom: 4px; }

.contact-form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--alb-blue-deep); margin-bottom: 8px; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 14px 16px; font-family: var(--font-body); font-size: 1rem;
  border: 1px solid var(--alb-line); border-radius: var(--radius); background: #fff;
  transition: border-color 0.25s ease;
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--alb-fiber); box-shadow: 0 0 0 3px rgba(63, 169, 255, 0.18);
}
.form-notice { padding: 14px 18px; border-radius: var(--radius); font-size: 0.95rem; }
.form-notice.ok { background: #e8f7ee; color: #14683a; }
.form-notice.err { background: #fdecec; color: #a02020; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--alb-ink); color: #b9c3d8; padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; }
.footer-logo { width: 120px; background: #fff; border-radius: var(--radius); padding: 8px; margin-bottom: 18px; }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: 20px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #b9c3d8; }
.site-footer a:hover { color: var(--alb-fiber); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 22px 0; font-size: 0.85rem; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ==========================================================================
   Pages internes / blog
   ========================================================================== */
.page-hero { background: linear-gradient(160deg, var(--alb-blue-deep), var(--alb-blue)); color: #fff; padding: 190px 0 90px; }
.page-hero h1 { color: #fff; margin: 0; }
.entry-content { max-width: 780px; margin: 0 auto; }
.entry-content img { border-radius: var(--radius); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .about-grid, .featured-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .projects-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .projects-grid, .services-grid, .stats, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero { padding-top: 130px; }
}