/* ─── HOME PAGE ──────────────────────────────────────────── */

/* Hero */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--navbar-h) + 80px);
  padding-bottom: var(--space-24);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  opacity: 0.5;
}

.hero__content { position: relative; z-index: 1; max-width: 900px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-8);
}
.hero__eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--purple);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(4.5rem, 11vw, 10rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-8);
}
.hero__title .line { display: block; }
.hero__title .accent { color: var(--purple-light); font-style: italic; }

/* Typewriter cursor */
.hero__cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--purple-light);
  margin-left: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-16);
}

/* Scroll Indicator */
.hero__scroll {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 40px; height: 1px;
  background: linear-gradient(90deg, var(--text-muted), transparent);
}

/* Floating glow orbs */
.hero__orb {
  display: none;
}
.hero__orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(82,207,237,0.15) 0%, transparent 70%);
  top: -200px; right: -200px;
}
.hero__orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(88,101,242,0.1) 0%, transparent 70%);
  bottom: -100px; left: -100px;
}

/* ─── Stats Bar ──────────────────────────────────────────── */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--space-12) 0;
  background: var(--bg-surface);
}
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}
.stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--text-primary);
  line-height: 1;
}
.stat__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-2);
}
.stat__divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

/* ─── About Section ──────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__tag {
  background: rgba(82,207,237,0.12);
  color: var(--purple-light);
  border: 1px solid rgba(82,207,237,0.25);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: var(--space-4);
}

.about__visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  position: relative;
}
.about__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--ease);
}
.about__card:hover { border-color: var(--border-hover); }
.about__card--span2 { grid-column: 1/-1; }
.about__card-icon { font-size: 2rem; margin-bottom: var(--space-3); }
.about__card-title { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.about__card-sub { font-size: 0.78rem; color: var(--text-muted); }

/* ─── Contribute Section ─────────────────────────────────── */
.contribute-section {
  text-align: center;
  padding: var(--space-24) 0;
  border-top: 1px solid var(--border);
}
.contribute-section .badge-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--purple-light);
  border: 1px solid rgba(82,207,237,0.3);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-6);
}
.contribute-section h2 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  line-height: 1;
}
.contribute-section h2 .accent { color: var(--purple-light); font-style: italic; }
.contribute-section .sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 540px;
  margin: 0 auto var(--space-10);
}
.contribute-section .cta-row {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Alumni Testimonials ────────────────────────────────── */
.testimonials {
  padding: var(--space-24) 0;
  overflow: hidden;
}
.testimonials__header { margin-bottom: var(--space-12); }
.testimonials__track-outer {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.testimonials__track {
  display: flex;
  gap: var(--space-6);
  animation: scrollLeft 40s linear infinite;
  width: max-content;
}
.testimonials__track:hover { animation-play-state: paused; }
.testimonial-card {
  flex-shrink: 0;
  width: 360px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
}
.testimonial-card__quote {
  font-family: Georgia, serif;
  font-size: 2rem;
  color: var(--purple);
  line-height: 1;
  margin-bottom: var(--space-4);
}
.testimonial-card__text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.testimonial-card__name { font-size: 0.88rem; font-weight: 700; }
.testimonial-card__role { font-size: 0.75rem; color: var(--text-muted); }

/* ─── Featured Events Preview ────────────────────────────── */
.events-preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.event-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--ease), transform var(--ease);
}
.event-preview-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.event-preview-card__type {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--purple-light);
  margin-bottom: var(--space-3);
}
.event-preview-card__date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.event-preview-card__title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: var(--space-3);
  line-height: 1.4;
}
.event-preview-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .events-preview__grid { grid-template-columns: 1fr; }
  .testimonial-card { width: 280px; }
}

@media (max-width: 768px) {
  /* Hero adjustments */
  .hero {
    min-height: auto;
    padding-top: calc(var(--navbar-h) + 40px);
    padding-bottom: var(--space-12);
  }
  .hero__title {
    font-size: clamp(3rem, 10vw, 5rem);
    margin-bottom: var(--space-5);
  }
  .hero__sub {
    font-size: 0.95rem;
    margin-bottom: var(--space-6);
  }
  .hero__cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__cta .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .hero__scroll { display: none; }

  /* Stats bar */
  .stats-bar { padding: var(--space-8) 0; }
  .stat__number { font-size: clamp(2rem, 4vw, 3rem); }
  .stat__label { font-size: 0.7rem; }

  /* About section */
  .about__visual {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
  }
  .about__card { padding: var(--space-4); }
  .about__card-icon { font-size: 1.5rem; margin-bottom: var(--space-2); }
  .about__card-title { font-size: 0.82rem; }
  .about__card-sub { font-size: 0.72rem; }

  /* Testimonials */
  .testimonials { padding: var(--space-12) 0; }
  .testimonial-card { width: 260px; padding: var(--space-5); }
  .testimonial-card__text { font-size: 0.85rem; line-height: 1.6; }

  /* Events preview */
  .event-preview-card { padding: var(--space-4); }
  .event-preview-card__title { font-size: 0.95rem; }
  .event-preview-card__desc { font-size: 0.82rem; }
}

@media (max-width: 480px) {
  .hero__title { font-size: clamp(2.5rem, 9vw, 3.5rem); }
  .stats-bar__grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .stat__number { font-size: 1.8rem; }
  .about__visual { grid-template-columns: 1fr; }
  .testimonial-card { width: 240px; }
}