/* =========================================================
   SLZ ETUDES — feuille de style principale
   ========================================================= */

@font-face {
  font-family: 'Ethnocentric Rg';
  src: url('../fonts/ethnocentric-regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --blue: #1E9FDB;
  --blue-dark: #0F7FB5;
  --orange: #F7941D;
  --orange-dark: #E07E0A;
  --ink: #1B2733;
  --ink-soft: #3B4753;
  --paper: #FFFFFF;
  --paper-alt: #F5F8FA;
  --border: #E4E9ED;
  --shadow: 0 10px 30px rgba(27, 39, 51, 0.08);
  --radius: 10px;
  --font-display: 'Ethnocentric Rg', 'Arial Black', sans-serif;
  --font-body: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 3.2vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 72px 0; }
.section-alt { background: var(--paper-alt); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange-dark);
  background: rgba(247, 148, 29, 0.12);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-emblem { width: 44px; height: 44px; flex-shrink: 0; }

.brand-word {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.brand-word .b1 { color: var(--blue); }
.brand-word .b2 { color: var(--orange); }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--blue-dark);
  border-bottom-color: var(--orange);
  text-decoration: none;
}

.nav-cta-item { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  position: relative;
}
.nav-toggle span::before { content: ""; position: absolute; top: -7px; width: 22px; height: 2px; background: var(--ink); }
.nav-toggle span::after { content: ""; position: absolute; top: 7px; width: 22px; height: 2px; background: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(247, 148, 29, 0.35);
}
.btn-primary:hover { color:#fff; box-shadow: 0 12px 24px rgba(247, 148, 29, 0.45); }

.btn-outline {
  background: transparent;
  border-color: var(--blue);
  color: var(--blue-dark);
}
.btn-outline:hover { background: var(--blue); color: #fff; }

.btn-light {
  background: #fff;
  color: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 90px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(30,159,219,0.14), transparent 55%),
    radial-gradient(circle at 8% 92%, rgba(247,148,29,0.14), transparent 55%),
    var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 span.hl-blue { color: var(--blue); }
.hero h1 span.hl-orange { color: var(--orange); }

.hero-lede { font-size: 1.1rem; max-width: 46ch; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }

.hero-figure {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-figure svg { width: 100%; max-width: 380px; }

.stat-row {
  display: flex;
  gap: 32px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.stat-row .stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--ink);
}
.stat-row .stat span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(27,39,51,0.12); }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--orange));
}

.card ul { padding-left: 18px; margin: 12px 0 0; }
.card li { margin-bottom: 6px; }

/* ---------- Two column layout ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split img, .split .media-box { border-radius: var(--radius); }

.media-box {
  background: linear-gradient(135deg, rgba(30,159,219,0.12), rgba(247,148,29,0.12));
  border: 1px solid var(--border);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.media-box svg { width: 100%; max-width: 260px; }

/* ---------- Timeline / steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.step {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
}
.step .step-num {
  font-family: var(--font-display);
  color: var(--orange);
  font-size: 1.6rem;
  margin-bottom: 10px;
  display: block;
}

/* ---------- Clients band ---------- */
.clients-band {
  background: var(--ink);
  color: #fff;
  padding: 48px 0;
}
.clients-band h2, .clients-band .eyebrow { color: #fff; }
.clients-band .eyebrow { background: rgba(255,255,255,0.12); color: #fff; }

.client-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}
.client-chip {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 14px 22px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  color: #fff;
}

/* ---------- Quote / testimonial ---------- */
.quote-block {
  border-left: 4px solid var(--orange);
  padding-left: 24px;
  font-size: 1.15rem;
  color: var(--ink);
  font-style: italic;
  margin: 30px 0;
}

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  padding: 56px 0 40px;
  background: linear-gradient(180deg, var(--paper-alt), var(--paper));
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.breadcrumb a { color: var(--ink-soft); }

/* ---------- Realisations list ---------- */
.project-list { display: grid; gap: 20px; margin-top: 30px; }
.project-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--paper);
}
.project-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}
.tag-e3d { background: rgba(30,159,219,0.14); color: var(--blue-dark); }
.tag-particulier { background: rgba(247,148,29,0.14); color: var(--orange-dark); }
.tag-3d { background: rgba(27,39,51,0.08); color: var(--ink); }

.project-client {
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1rem;
  margin-bottom: 4px;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info-list { list-style: none; padding: 0; margin: 24px 0; }
.contact-info-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  align-items: flex-start;
}
.contact-info-list .icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(30,159,219,0.12);
  color: var(--blue-dark);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
}

.form-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  font-size: 0.92rem;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--paper-alt);
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
}
.form-note { font-size: 0.8rem; color: var(--ink-soft); margin-top: 10px; }
.form-hp { position: absolute; left: -9999px; top: -9999px; }

.map-embed {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 32px;
}
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--blue), var(--blue-dark) 55%, var(--orange-dark));
  color: #fff;
  padding: 56px 0;
  text-align: center;
  border-radius: var(--radius);
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.9); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.82);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.site-footer h4 { color: #fff; font-size: 0.95rem; }
.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-emblem { width: 36px; height: 36px; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 10px; }
.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255,255,255,0.55);
}

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.max-60 { max-width: 60ch; }
.center-col { margin-left: auto; margin-right: auto; }

/* ---------- Alert ---------- */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.92rem;
}
.alert-success { background: rgba(30,159,219,0.12); color: var(--blue-dark); border: 1px solid rgba(30,159,219,0.3); }
.alert-error { background: rgba(224,60,60,0.1); color: #b33; border: 1px solid rgba(224,60,60,0.3); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .hero-figure { order: -1; max-width: 260px; margin: 0 auto 20px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .project-item { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .main-nav.open ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 18px;
  }
  .main-nav.open li { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: block; }
  .nav-wrap > .btn { display: none; }
  .nav-cta-item { display: block; margin-top: 6px; }
  .nav-cta-item a { color: var(--orange-dark); font-weight: 800; border-bottom: none; }
  .card-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 52px 0; }
  .hero { padding: 56px 0 64px; }
}