/* ── Variables ───────────────────────────────── */
:root {
  --primary:      #C5A580;
  --primary-glow: rgba(197,165,128,.35);
  --bg-body:      #000;
  --bg-image:     linear-gradient(rgba(0,0,0,.52), rgba(0,0,0,.52)),
                  url('bg.webp');
  --card-bg:      rgba(0, 0, 0, 0.85);
  --card-border:  rgba(255,255,255,.08);
  --card-shadow:  0 20px 60px rgba(0,0,0,.5);
  --text-main:    #E0E0E0;
  --text-muted:   #aaaaaa;
  --radius:       28px;
}

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scrollbar-width: none; }
::-webkit-scrollbar { display: none; }
::selection { background: var(--primary-glow); }

/* ── Body / Background ───────────────────────── */
body {
  background-color: var(--bg-body);
  background-image: var(--bg-image);
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Brand Header ────────────────────────────── */
.brand-header {
  text-align: center;
  font-weight: 800;
  font-size: clamp(1.2rem, 3.5vw, 2rem);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--primary);
  padding: 56px 24px 40px;
  position: relative;
  z-index: 2;
  cursor: default;
}

/* ── Container ───────────────────────────────── */
.container {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 16px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  z-index: 2;
}

/* ── Cards ───────────────────────────────────── */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card--cta {
  text-align: center;
  align-items: center;
  border-color: rgba(197,165,128,.25);
}

/* ── Typography ──────────────────────────────── */
.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--primary);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

.hero-desc {
  font-size: 1.25rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--text-main);
}

.hero-sub {
  font-size: .95rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-muted);
}

.note {
  font-size: .9rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.7;
  padding-top: 8px;
  border-top: 1px solid var(--card-border);
}

/* ── Semesters ───────────────────────────────── */
.semester-list {
  display: flex;
  flex-direction: column;
}

.semester-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--card-border);
}
.semester-item:last-child { border-bottom: none; }

.semester-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  opacity: .3;
  min-width: 36px;
  line-height: 1;
  padding-top: 2px;
  flex-shrink: 0;
}

.semester-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.semester-text {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Results ─────────────────────────────────── */
.results-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.results-list li {
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.65;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 14px;
  border-radius: 12px;
  transition: background .2s;
}
.results-list li:hover { background: rgba(255,255,255,.04); }

.dot { color: var(--primary); flex-shrink: 0; margin-top: 2px; }

/* ── Principles ──────────────────────────────── */
.principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.principle-item {
  padding: 20px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  transition: border-color .3s;
}
.principle-item:hover { border-color: rgba(197,165,128,.3); }

.principle-title {
  font-size: .78rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.principle-text {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── CTA Card ────────────────────────────────── */
.cta-quote {
  font-size: 1.05rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.65;
  color: var(--text-main);
  position: relative;
  padding: 0 12px;
}
.cta-quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--primary);
  opacity: .2;
  position: absolute;
  top: -16px; left: -8px;
  line-height: 1;
  font-style: normal;
}

.cta-sub {
  font-size: .95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── Button ──────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #000;
  font-weight: 800;
  font-size: 1rem;
  padding: 16px 36px;
  border-radius: 18px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform .25s, box-shadow .25s;
  letter-spacing: .02em;
  align-self: flex-start;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px var(--primary-glow);
}
.card--cta .btn-primary { align-self: center; }

/* ── Footer ──────────────────────────────────── */
.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 0 8px;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color .25s;
}
.footer-links a:hover { color: var(--primary); }

.footer-copy {
  font-size: .78rem;
  color: rgba(170,170,170,.4);
  text-align: center;
}

/* ── Scroll reveal ───────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Mobile ──────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --bg-image: linear-gradient(rgba(0,0,0,.72), rgba(0,0,0,.72));
  }
}

@media (max-width: 600px) {
  .brand-header { font-size: 1rem; letter-spacing: .1em; padding: 36px 16px 24px; }
  .card { padding: 24px 20px; }
  .btn-primary { width: 100%; justify-content: center; align-self: stretch; }
  .card--cta .btn-primary { align-self: stretch; }
}