/* EESTIA — site vitrine */

:root {
  --navy: #5E3866;
  --navy-dark: #3F2144;
  --gold: #A6423D;
  --gold-light: #D99095;
  --ink: #1c1e26;
  --muted: #5b5f6d;
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --border: #e6e8f0;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(94, 56, 102, 0.08);
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
h1, h2, h3, h4 {
  font-family: "Poppins", "Inter", sans-serif;
  margin: 0 0 0.5em;
  line-height: 1.2;
  color: var(--navy);
}
p { margin: 0 0 1em; color: var(--muted); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
section { padding: 88px 0; }
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(166,66,61,0.12);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--gold); color: var(--navy-dark); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(166,66,61,0.35); }
.btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(94,56,102,0.3); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  max-width: 1340px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.brand-name { font-family: "Poppins", sans-serif; font-weight: 800; color: var(--navy); font-size: 1.05rem; line-height: 1.1; }
.brand-name span { display: block; font-family: "Inter", sans-serif; font-weight: 500; font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
nav.main-nav { display: flex; align-items: center; gap: 24px; }
nav.main-nav a { font-weight: 600; font-size: 0.92rem; color: var(--ink); }
nav.main-nav a:hover { color: var(--navy); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--navy); cursor: pointer; }

/* Hero */
.hero {
  position: relative;
  background: radial-gradient(circle at 20% 20%, #7A4A80 0%, var(--navy) 45%, var(--navy-dark) 100%);
  color: #fff;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 30%, rgba(166,66,61,0.25), transparent 55%);
  pointer-events: none;
}
.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-top: 96px;
  padding-bottom: 96px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 20px;
}
.hero-eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--gold); display: inline-block; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 4.2vw, 3.4rem); margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero p.lead { color: rgba(255,255,255,0.82); font-size: 1.08rem; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-card .logo-badge { width: 84px; height: 84px; border-radius: 50%; object-fit: cover; margin-bottom: 18px; box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.hero-card h3 { color: #fff; font-size: 1.15rem; margin-bottom: 10px; }
.hero-card p { color: rgba(255,255,255,0.75); font-size: 0.92rem; margin-bottom: 0; }
.hero-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.hero-fact { border-top: 1px solid rgba(255,255,255,0.16); padding-top: 12px; }
.hero-fact strong { display: block; color: var(--gold-light); font-family: "Poppins", sans-serif; font-size: 1rem; }
.hero-fact span { font-size: 0.78rem; color: rgba(255,255,255,0.65); }

/* About */
.about { background: var(--bg-soft); }
.about .grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 56px; align-items: center; }
.about-visual {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  border-radius: var(--radius);
  padding: 40px;
  color: #fff;
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}
.about-visual .quote-mark { font-family: "Poppins", serif; font-size: 3.5rem; color: var(--gold); line-height: 1; }
.about-visual p { color: rgba(255,255,255,0.88); font-size: 1.05rem; margin: 0; }
.about-visual footer { font-size: 0.85rem; color: var(--gold-light); font-weight: 600; }
.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 32px; }
.pillar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.pillar .icon { width: 42px; height: 42px; border-radius: 10px; background: rgba(166,66,61,0.14); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; margin-bottom: 12px; }
.pillar h4 { font-size: 0.98rem; margin-bottom: 6px; }
.pillar p { font-size: 0.86rem; margin: 0; }

/* Cycles (photo + filières) */
.cycle-block {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 44px;
  align-items: center;
  margin-bottom: 64px;
}
.cycle-block.reverse .cycle-photo { order: 2; }
.cycle-block.reverse .cycle-content { order: 1; }
.cycle-photo { position: relative; }
.cycle-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.cycle-content h3 { font-size: 1.4rem; margin-bottom: 6px; }
.cycle-content > p { font-size: 0.96rem; }
.filiere-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.filiere-chip {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--navy);
}
.filiere-chip .code { color: var(--muted); font-weight: 500; font-size: 0.78rem; margin-left: 4px; }
.filiere-group-title { margin: 22px 0 8px; font-weight: 700; color: var(--navy); font-size: 0.92rem; }
.filiere-detail-list { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.filiere-detail {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
}
.filiere-detail .name { font-weight: 700; color: var(--navy); font-size: 0.95rem; }
.filiere-detail .name .code { color: var(--muted); font-weight: 600; font-size: 0.78rem; margin-left: 6px; }
.filiere-detail p { margin: 6px 0 0; font-size: 0.85rem; color: var(--muted); }

/* Programs */
.programs .program-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.program-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.program-card:hover { transform: translateY(-4px); }
.program-card .cycle-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(94,56,102,0.08);
  padding: 5px 12px;
  border-radius: 999px;
}
.program-card h3 { font-size: 1.15rem; margin-bottom: 0; }
.program-card p { font-size: 0.92rem; margin-bottom: 0; }
.program-card .program-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 0.82rem; color: var(--navy); font-weight: 600; }
.program-card.placeholder { border-style: dashed; color: var(--muted); align-items: center; justify-content: center; text-align: center; }
.program-card.placeholder .icon { font-size: 1.8rem; margin-bottom: 6px; }

/* Why us */
.why { background: var(--navy); color: #fff; }
.why .section-head h2 { color: #fff; }
.why .section-tag { background: rgba(255,255,255,0.14); color: var(--gold-light); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.why-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); padding: 26px; }
.why-card .num { font-family: "Poppins", sans-serif; font-weight: 800; font-size: 1.6rem; color: var(--gold); margin-bottom: 10px; }
.why-card h4 { color: #fff; font-size: 1.02rem; margin-bottom: 8px; }
.why-card p { color: rgba(255,255,255,0.72); font-size: 0.9rem; margin: 0; }

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--gold) 0%, #7D322E 100%);
  color: var(--navy-dark);
}
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding: 56px 24px; }
.cta-band h2 { color: var(--navy-dark); font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 8px; }
.cta-band p { color: rgba(74,30,80,0.75); margin: 0; max-width: 480px; }
.cta-band .btn-navy:hover { box-shadow: 0 12px 24px rgba(74,30,80,0.35); }

/* Footer */
footer.site-footer { background: var(--navy-dark); color: rgba(255,255,255,0.7); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand img { width: 44px; height: 44px; border-radius: 50%; }
.footer-brand strong { color: #fff; font-family: "Poppins", sans-serif; }
.site-footer h5 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.site-footer ul a { font-size: 0.9rem; color: rgba(255,255,255,0.65); }
.site-footer ul a:hover { color: var(--gold-light); }
.footer-contact li { font-size: 0.9rem; display: flex; gap: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* Responsive */
@media (max-width: 920px) {
  .hero .container, .about .grid { grid-template-columns: 1fr; }
  .hero-card { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cycle-block, .cycle-block.reverse { grid-template-columns: 1fr; }
  .cycle-block .cycle-photo { order: -1; }
  .cycle-photo img { aspect-ratio: 16 / 9; }
}
@media (max-width: 720px) {
  section { padding: 64px 0; }
  nav.main-nav { position: fixed; inset: 72px 16px auto 16px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); flex-direction: column; align-items: flex-start; padding: 20px; gap: 16px; display: none; }
  nav.main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .pillars { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
}