/* =========================================================
   IT TRAINING CENTER — design tokens & base styles
   Palette: Deep Navy / Signal Gold / Field Orange / Circuit Teal
   Display: Fraunces · Body: IBM Plex Sans · Utility: IBM Plex Mono
   ========================================================= */

:root {
  --navy-950: #0c1b2e;
  --navy-900: #12233b;
  --navy-800: #1b3654;
  --navy-700: #274a70;
  --gold: #d4a843;
  --gold-light: #f0d99b;
  --orange: #e07b1c;
  --teal: #2c7a8c;
  --teal-light: #6fb3c2;
  --paper: #f5f6f8;
  --paper-dim: #eceef2;
  --ink: #1b232c;
  --ink-soft: #4d5866;
  --line: #dde1e7;
  --white: #ffffff;

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --radius: 14px;
  --shadow-soft: 0 12px 30px -14px rgba(12, 27, 46, 0.35);
  --shadow-lift: 0 20px 45px -18px rgba(12, 27, 46, 0.45);
  --maxw: 1140px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-900);
  margin: 0 0 0.5em;
  line-height: 1.15;
  font-weight: 600;
}
h1 { font-size: clamp(2.2rem, 4.2vw, 3.6rem); font-weight: 500; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--orange);
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn:focus-visible { outline: 3px solid var(--gold-light); outline-offset: 2px; }
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: #c96a11; transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.35); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-outline { background: transparent; color: var(--navy-900); border-color: var(--navy-900); }
.btn-outline:hover { background: var(--navy-900); color: var(--white); }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 246, 248, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 42px; width: auto; }
.brand-text { font-family: var(--font-display); font-size: 1.05rem; color: var(--navy-900); line-height: 1.1; }
.brand-text small { display: block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--teal); text-transform: uppercase; margin-top: 2px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 0.93rem; font-weight: 500; color: var(--ink-soft); position: relative; padding: 4px 0; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--navy-900); }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--orange);
}
.nav-cta { display: none; }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy-900); margin: 5px 0; }

@media (min-width: 861px) { .nav-cta { display: inline-flex; } }
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column; align-items: flex-start;
    padding: 18px 24px 24px; gap: 16px;
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links .btn-outline { margin-top: 6px; }
}

/* Hero (home) */
.hero {
  position: relative;
  background: radial-gradient(circle at 82% 18%, var(--navy-800), var(--navy-950) 62%);
  color: var(--white);
  overflow: hidden;
  padding: 96px 0 120px;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { color: var(--white); }
.hero p.lede { color: #cbd8e3; font-size: 1.1rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }
.hero-photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  border: 1px solid rgba(255,255,255,0.12);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.topology {
  position: absolute; inset: 0; z-index: 1; opacity: 0.55; pointer-events: none;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 80px; text-align: left; }
}

/* Tech strip */
.tech-strip {
  background: var(--navy-900);
  padding: 22px 0;
  overflow: hidden;
}
.tech-strip .container { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold-light);
  border: 1px solid rgba(212,168,67,0.4);
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* Section spacing */
section { padding: 88px 0; }
.section-tight { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.bg-alt { background: var(--paper-dim); }
.bg-navy { background: var(--navy-900); color: var(--white); }
.bg-navy h2, .bg-navy h3 { color: var(--white); }
.bg-navy p { color: #c9d5e0; }

/* Cards grid */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.card .icon-circle { margin-bottom: 16px; }
.icon-circle {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-light);
  flex-shrink: 0;
}
.icon-circle svg { width: 24px; height: 24px; }
.card.on-orange .icon-circle { background: var(--orange); color: var(--white); }
.card.on-teal .icon-circle { background: var(--teal); color: var(--white); }

/* Program / lab cards with mono code badge */
.program-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; display: flex; flex-direction: column; gap: 10px; }
.code-badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  background: var(--navy-900);
  color: var(--gold-light);
  padding: 4px 10px;
  border-radius: 6px;
}

/* Simple bullet list with diamond marker (nods to the brochure) */
.diamond-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.diamond-list li { position: relative; padding-left: 26px; color: var(--ink-soft); }
.diamond-list li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 8px; height: 8px; background: var(--orange);
  transform: rotate(45deg);
}

/* Quote banner */
.quote-banner { text-align: center; padding: 70px 0; }
.quote-banner blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--navy-900);
  margin: 0;
  font-style: italic;
}

/* CTA banner */
.cta-banner {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-800));
  color: var(--white);
  border-radius: 20px;
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { color: var(--white); margin-bottom: 8px; }
.cta-banner p { color: #cbd8e3; margin: 0; }

/* Section header with small photo icon (brochure icons) */
.head-with-icon { display: flex; align-items: center; gap: 18px; margin-bottom: 20px; }
.head-with-icon img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--gold); }

/* Values row */
.values-row { display: flex; flex-wrap: wrap; gap: 12px; }
.value-chip {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--paper-dim);
  border: 1px solid var(--line);
  color: var(--navy-800);
}

/* Two-col text (mission/vision) */
.split-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 720px) { .split-cards { grid-template-columns: 1fr; } }
.split-card { padding: 30px; border-radius: var(--radius); }
.split-card.mission { background: var(--navy-900); color: var(--white); }
.split-card.mission h3, .split-card.mission p { color: var(--white); }
.split-card.vision { background: var(--gold); }
.split-card.vision h3, .split-card.vision p { color: var(--navy-950); }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info-list { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 18px; }
.contact-info-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-list .icon-circle { width: 40px; height: 40px; }
.contact-info-list .icon-circle svg { width: 18px; height: 18px; }
.contact-info-list a:hover { color: var(--orange); }

form.contact-form { display: grid; gap: 16px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.form-row { display: grid; gap: 6px; }
.form-row label { font-size: 0.85rem; font-weight: 600; color: var(--navy-800); }
.form-row input, .form-row textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--teal); border-color: var(--teal); }
.form-note { font-size: 0.8rem; color: var(--ink-soft); }
.map-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); margin-top: 26px; }
.map-frame iframe { width: 100%; height: 260px; border: 0; display: block; }

/* Footer */
.site-footer { background: var(--navy-950); color: #aebdca; padding: 60px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { color: var(--white); font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand img { height: 38px; }
.footer-brand span { font-family: var(--font-display); color: var(--white); font-size: 1.1rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-links a { font-size: 0.9rem; color: #aebdca; }
.footer-links a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  font-size: 0.8rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* Reveal on scroll (progressive enhancement) */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Page hero (non-home pages) */
.page-hero { background: var(--navy-900); color: var(--white); padding: 64px 0 70px; }
.page-hero h1 { color: var(--white); }
.page-hero p { color: #c9d5e0; max-width: 60ch; }

.section-head p:last-child, .card p:last-child { margin-bottom: 0; }

/* Galerie photos/vidéos */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-card { padding: 0; overflow: hidden; }
.gallery-card h3, .gallery-card p { padding-left: 22px; padding-right: 22px; }
.gallery-card h3 { margin-top: 16px; }
.gallery-card p { margin-bottom: 20px; }
.gallery-media { width: 100%; aspect-ratio: 4 / 3; background: var(--paper-dim); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.gallery-media img { width: 100%; height: 100%; object-fit: cover; }
.gallery-media iframe { width: 100%; height: 100%; border: 0; }
#gallery-empty { display: none; color: var(--ink-soft); }

/* Bouton WhatsApp flottant */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lift);
  z-index: 999;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
@media (max-width: 620px) {
  .whatsapp-float { right: 16px; bottom: 16px; width: 52px; height: 52px; }
}