/*  ━━━━  SHARED DESIGN SYSTEM  ━━━━
    Unified tokens, reset, typography & utilities
    matching the main index.html aesthetic.
    Every sub-page imports this file.
    ──────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,600;12..96,800&family=Manrope:wght@400;500;600;700;800&display=swap');

/* ── DESIGN TOKENS ── */
:root {
  --bg:       #fdf8f0;
  --bg2:      #f5ede0;
  --ink:      #1a1208;
  --ink2:     #4a3f30;
  --ink3:     #8a7a68;
  --accent:   #c8410a;
  --accent2:  #e8873a;
  --edu:      #1a56a0;
  --par:      #6b21a8;
  --line:     rgba(26,18,8,0.12);
  --card:     rgba(255,252,245,0.82);
  --shadow-sm: 0 2px 8px rgba(26,18,8,0.06);
  --shadow-md: 0 12px 40px rgba(26,18,8,0.10);
  --shadow-lg: 0 28px 64px rgba(26,18,8,0.14);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── BASE BODY ── */
body {
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 70% 50% at 10% 0%, rgba(200,65,10,0.07), transparent),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(26,86,160,0.06), transparent),
    var(--noise);
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100svh;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3 {
  font-family: "Instrument Serif", serif;
  line-height: 1.15;
  color: var(--ink);
}

/* ── SHARED NAV BAR (sub-pages) ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  background: rgba(253,248,240,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-nav-logo {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 150ms;
}

.site-nav-logo:hover { opacity: 0.7; }

.site-nav-back {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink2);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 150ms;
}

.site-nav-back:hover { color: var(--accent); }

/* ── SHARED BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(200,65,10,0.25);
  background: rgba(200,65,10,0.06);
  border-radius: 999px;
  padding: 5px 14px;
}

.badge--edu {
  color: var(--edu);
  border-color: rgba(26,86,160,0.25);
  background: rgba(26,86,160,0.06);
}

.badge--par {
  color: var(--par);
  border-color: rgba(107,33,168,0.25);
  background: rgba(107,33,168,0.06);
}

/* ── SHARED BUTTON ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: "Manrope", sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 150ms, box-shadow 150ms;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn:focus-visible {
  outline: 3px solid rgba(200,65,10,0.3);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(200,65,10,0.25);
}
.btn--primary:hover { box-shadow: 0 8px 28px rgba(200,65,10,0.35); }

.btn--edu {
  background: var(--edu);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26,86,160,0.25);
}
.btn--edu:hover { box-shadow: 0 8px 28px rgba(26,86,160,0.35); }

.btn--par {
  background: var(--par);
  color: #fff;
  box-shadow: 0 4px 20px rgba(107,33,168,0.25);
}
.btn--par:hover { box-shadow: 0 8px 28px rgba(107,33,168,0.35); }

.btn--ghost {
  background: transparent;
  color: var(--ink2);
  border: 1px solid var(--line);
}
.btn--ghost:hover { background: var(--bg2); }

/* ── SHARED CARD ── */
.glass-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255,255,255,0.5), transparent 50%),
    repeating-linear-gradient(
      -45deg,
      rgba(255,255,255,0.06), rgba(255,255,255,0.06) 8px,
      transparent 8px, transparent 16px
    );
}

/* ── DIVIDER ── */
.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 999px;
}

/* ── SECTION LABEL ── */
.section-label {
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

/* ── FADE-UP ANIMATION ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes rise-in {
  from { transform: translateY(16px) scale(0.993); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

/* ── FOOTER (sub-pages) ── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--ink3);
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.site-footer a:hover { text-decoration: underline; }

/* ── FOOTER AVATAR ── */
.footer-avatar {
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border-radius: 50%;
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: 0.65rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0;
}

/* ── DARK THEME ── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:    #100d08;
    --bg2:   #1c1710;
    --ink:   #f0e8da;
    --ink2:  #b8a890;
    --ink3:  #7a6c5c;
    --line:  rgba(240,232,218,0.10);
    --card:  rgba(28,23,16,0.92);
  }

  body {
    background-image:
      radial-gradient(ellipse 70% 50% at 10% 0%, rgba(200,65,10,0.14), transparent),
      radial-gradient(ellipse 60% 40% at 90% 100%, rgba(26,86,160,0.12), transparent),
      var(--noise);
  }

  .site-nav {
    background: rgba(16,13,8,0.90);
  }

  .glass-card::before {
    display: none;
  }
}

/* ── RESPONSIVE SHARED ── */
@media (max-width: 768px) {
  .site-nav { padding: 12px 20px; }
  .site-footer { padding: 16px 20px; flex-wrap: wrap; justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}