/* =========================================================
   TVET Labs — brand.css
   Design tokens · Cinematic system · Section backgrounds
   ========================================================= */

:root {
  --teal-primary:  #4bb69c;
  --teal-dark:     #159f84;
  --coral:         #ea5e58;
  --navy-dark:     #1f2649;
  --navy-mid:      #2b3e50;
  --gray-light:    #ebf0f1;
  --gray-mid:      #bec3c8;
  --gray-dark:     #686b6c;
  --teal-pale:     #dbf0eb;
}

/* ── Section backgrounds — cinematic gradient system ─────── */

.section-hero {
  position: relative;
  padding-block: 2.5rem;
  background:
    radial-gradient(ellipse at 6% 92%, rgba(75,182,156,0.07) 0%, transparent 52%),
    radial-gradient(ellipse at 94% 6%,  rgba(31,38,73,0.05)  0%, transparent 52%),
    linear-gradient(158deg, #ffffff 0%, #f7faf9 52%, #edf3f1 100%);
}
@media (min-width: 768px) {
  .section-hero { padding-block: 4rem; }
}

.section-white {
  padding-block: 2rem;
  background:
    radial-gradient(ellipse at 92% 88%, rgba(75,182,156,0.05) 0%, transparent 50%),
    linear-gradient(180deg, #ffffff 0%, #f8fafb 100%);
}
@media (min-width: 768px) {
  .section-white { padding-block: 3.5rem; }
}

.section-alt {
  padding-block: 2rem;
  background:
    radial-gradient(ellipse at 7% 18%, rgba(75,182,156,0.08) 0%, transparent 55%),
    linear-gradient(180deg, #f2f6f5 0%, #ebf0f1 100%);
}
@media (min-width: 768px) {
  .section-alt { padding-block: 3.5rem; }
}

.section-navy {
  position: relative;
  padding-block: 2rem;
  background:
    radial-gradient(ellipse at 22% 65%, rgba(75,182,156,0.14) 0%, transparent 52%),
    radial-gradient(ellipse at 78% 30%, rgba(234,94,88,0.07)  0%, transparent 44%),
    linear-gradient(142deg, #14193a 0%, #1f2649 52%, #263356 100%);
  border-top:    1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.12);
}
@media (min-width: 768px) {
  .section-navy { padding-block: 3.5rem; }
}

/* ── Header ──────────────────────────────────────────────── */

.header-glass {
  box-shadow:
    0 1px 0   rgba(0,0,0,0.06),
    0 4px 24px rgba(0,0,0,0.03);
}

.coral-accent {
  background: linear-gradient(135deg, #ef6b65 0%, #ea5e58 60%, #e04e48 100%);
  box-shadow: 2px 2px 10px rgba(234,94,88,0.28);
}

/* ── Buttons ─────────────────────────────────────────────── */

.btn--primary {
  background: linear-gradient(135deg, #54bea5 0%, #4bb69c 45%, #3dab91 100%);
  box-shadow: 0 4px 16px rgba(75,182,156,0.32);
}
.btn--primary:hover {
  background: linear-gradient(135deg, #3dab91 0%, #2ea088 50%, #159f84 100%);
  box-shadow: 0 6px 22px rgba(75,182,156,0.46);
  transform: translateY(-1px);
}
.btn--primary:active {
  box-shadow: 0 3px 10px rgba(75,182,156,0.30);
  transform: translateY(0);
}
.btn--primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ── Cards ───────────────────────────────────────────────── */

.card--elevated {
  box-shadow:
    0 1px 2px  rgba(0,0,0,0.04),
    0 4px 16px rgba(0,0,0,0.05),
    0 20px 48px rgba(0,0,0,0.04);
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}
.card--elevated:hover {
  box-shadow:
    0 2px 4px  rgba(0,0,0,0.06),
    0 8px 24px rgba(0,0,0,0.08),
    0 32px 64px rgba(0,0,0,0.06);
  transform: translateY(-3px);
}

.card--teal {
  box-shadow:
    0 1px 3px  rgba(0,0,0,0.05),
    0 6px 20px rgba(75,182,156,0.10),
    0 24px 56px rgba(0,0,0,0.05);
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}
.card--teal:hover {
  box-shadow:
    0 2px 6px  rgba(0,0,0,0.07),
    0 12px 32px rgba(75,182,156,0.18),
    0 40px 80px rgba(0,0,0,0.07);
  transform: translateY(-4px);
}

/* ── Icon box ────────────────────────────────────────────── */

.icon-box {
  background: linear-gradient(135deg, #54bea5 0%, #4bb69c 100%);
  box-shadow: 0 4px 14px rgba(75,182,156,0.30);
}

/* ── Avatar ──────────────────────────────────────────────── */

.avatar {
  box-shadow:
    0 0 0 3px rgba(75,182,156,0.22),
    0 4px 14px rgba(0,0,0,0.10);
}

/* ── Footer ──────────────────────────────────────────────── */

.footer-depth {
  background: linear-gradient(180deg, #181f42 0%, #1f2649 50%, #1b2244 100%);
}