/* ============================================
   EDVOXE — Training · Assessment · Overseas Education
   Palette: Petrol #0B3A46 | Paper #F6F8F8 | Slate #33454E
            Saffron #DE9B35 | Mist #D8E2E4
   Type: Archivo (display) + Public Sans (body)
   ============================================ */

:root {
  --petrol: #0B3A46;
  --petrol-deep: #072832;
  --paper: #F6F8F8;
  --white: #FFFFFF;
  --slate: #33454E;
  --slate-soft: #5A6B73;
  --saffron: #DE9B35;
  --saffron-soft: #F3E3C6;
  --mist: #D8E2E4;
  --max: 1120px;
  --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Public Sans', system-ui, sans-serif;
  color: var(--slate);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .wordmark {
  font-family: 'Archivo', system-ui, sans-serif;
  color: var(--petrol);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: var(--petrol); }

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

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

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--mist);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.wordmark {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.wordmark span { color: var(--saffron); }

.main-nav { display: flex; gap: 28px; align-items: center; }

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--slate);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}

.main-nav a:hover { color: var(--petrol); }

.main-nav a.active {
  color: var(--petrol);
  border-bottom-color: var(--saffron);
  font-weight: 600;
}

.nav-cta {
  background: var(--petrol);
  color: var(--white) !important;
  padding: 10px 20px !important;
  border-radius: 6px;
  border-bottom: none !important;
  font-weight: 600 !important;
  transition: background .15s;
}

.nav-cta:hover { background: var(--petrol-deep); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--mist);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 1.1rem;
  color: var(--petrol);
  cursor: pointer;
}

/* ---------- Eyebrow / section labels ---------- */
.eyebrow {
  font-family: 'Archivo', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--saffron);
  display: block;
  margin-bottom: 14px;
}

/* ---------- Band-scale motif (signature) ---------- */
.band-scale {
  display: flex;
  gap: 6px;
  margin: 26px 0 0;
  max-width: 340px;
}

.band-scale i {
  height: 6px;
  flex: 1;
  border-radius: 3px;
  background: var(--mist);
}

.band-scale i.on { background: var(--saffron); }

/* ---------- Hero ---------- */
.hero {
  background: var(--white);
  border-bottom: 1px solid var(--mist);
  padding: 88px 0 72px;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 700;
  max-width: 17ch;
  margin-bottom: 20px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--slate-soft);
  max-width: 56ch;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 6px;
  transition: background .15s, color .15s, border-color .15s;
}

.btn-primary { background: var(--petrol); color: var(--white); }
.btn-primary:hover { background: var(--petrol-deep); }

.btn-ghost {
  border: 1.5px solid var(--mist);
  color: var(--petrol);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--petrol); }

/* ---------- Sections ---------- */
section.block { padding: 76px 0; }

section.block.alt { background: var(--white); border-top: 1px solid var(--mist); border-bottom: 1px solid var(--mist); }

.block h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 14px;
  max-width: 26ch;
}

.block .intro {
  color: var(--slate-soft);
  max-width: 62ch;
  margin-bottom: 40px;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

.card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: border-color .15s, transform .15s;
}

.alt .card { background: var(--paper); }

.card:hover { border-color: var(--petrol); transform: translateY(-2px); }

.card .tag {
  font-family: 'Archivo', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--petrol);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 16px;
}

.card .tag.gold { background: var(--saffron); color: var(--petrol-deep); }

.card h3 { font-size: 1.15rem; margin-bottom: 10px; }

.card p { font-size: 0.96rem; color: var(--slate-soft); }

.card ul {
  margin-top: 12px;
  padding-left: 18px;
  font-size: 0.95rem;
  color: var(--slate-soft);
}

.card ul li { margin-bottom: 6px; }

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

.split .panel {
  background: var(--petrol);
  color: var(--white);
  border-radius: var(--radius);
  padding: 38px 34px;
}

.split .panel h3 { color: var(--white); font-size: 1.2rem; margin-bottom: 16px; }

.split .panel p { color: #C8D8DD; font-size: 0.97rem; margin-bottom: 14px; }

.split .panel .band-scale i { background: rgba(255,255,255,.18); }
.split .panel .band-scale i.on { background: var(--saffron); }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 0; }

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--mist);
}

.step:last-child { border-bottom: none; }

.step .num {
  font-family: 'Archivo', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--saffron);
}

.step h3 { font-size: 1.1rem; margin-bottom: 6px; }

.step p { font-size: 0.96rem; color: var(--slate-soft); max-width: 60ch; }

/* ---------- Stats strip ---------- */
.strip {
  background: var(--petrol);
  padding: 54px 0;
}

.strip .wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}

.strip .stat h3 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.strip .stat p { color: #B7CBD1; font-size: 0.92rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 28px 26px;
}

.contact-card h3 { font-size: 1.05rem; margin-bottom: 8px; }

.contact-card p { font-size: 0.95rem; color: var(--slate-soft); margin-bottom: 12px; }

.contact-card a.link {
  font-weight: 600;
  color: var(--petrol);
  text-decoration: none;
  border-bottom: 2px solid var(--saffron);
  padding-bottom: 1px;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--petrol);
  border-radius: var(--radius);
  padding: 52px 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.cta-banner h2 { color: var(--white); font-size: 1.6rem; max-width: 24ch; margin: 0; }

.cta-banner .btn-primary { background: var(--saffron); color: var(--petrol-deep); }
.cta-banner .btn-primary:hover { background: #C98A28; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--petrol-deep);
  color: #A9BFC6;
  padding: 56px 0 32px;
  font-size: 0.92rem;
}

.site-footer .cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.site-footer h4 {
  font-family: 'Archivo', sans-serif;
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.site-footer a { color: #A9BFC6; text-decoration: none; }
.site-footer a:hover { color: var(--white); }

.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 8px; }

.site-footer .legal {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 22px;
  font-size: 0.85rem;
  color: #7E99A1;
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: var(--white);
  border-bottom: 1px solid var(--mist);
  padding: 64px 0 52px;
}

.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 14px; }

.page-hero p { color: var(--slate-soft); max-width: 60ch; }

/* ---------- Fade-in ---------- */
@media (prefers-reduced-motion: no-preference) {
  .fade {
    opacity: 0;
    transform: translateY(12px);
    animation: rise .6s ease forwards;
  }
  .fade.d1 { animation-delay: .08s; }
  .fade.d2 { animation-delay: .16s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}

/* ---------- Focus ---------- */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--saffron);
  outline-offset: 2px;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--mist);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 24px;
    gap: 16px;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .hero { padding: 60px 0 52px; }
  section.block { padding: 56px 0; }
  .cta-banner { padding: 38px 28px; }
}