/* Shared v1-style content sections on the v2 light theme. */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.sec {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: clamp(4.75rem, 9vw, 7.5rem) clamp(1.25rem, 4vw, 2rem);
}
.sec-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-3);
}
.sec-title {
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.16;
  color: var(--ink);
  margin-bottom: var(--space-5);
}

#about .about-grid {
  display: grid;
  grid-template-columns: minmax(220px, 360px) 1fr;
  gap: clamp(var(--space-5), 6vw, var(--space-8));
  align-items: center;
}
.about-portrait {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 2px solid rgba(176, 125, 8, 0.75);
  border-radius: var(--radius);
  box-shadow: 0 18px 48px -24px rgba(176, 125, 8, 0.38);
}
.about-portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.about-body p:not(.sec-eyebrow) {
  font-family: var(--font-thai);
  font-size: clamp(1.04rem, 2vw, 1.2rem);
  line-height: 1.78;
  color: var(--ink-2);
  max-width: 58ch;
}
.about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.stat-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink);
  background: rgba(251, 247, 238, 0.82);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.42rem 0.86rem;
  white-space: nowrap;
}
.stat-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--gold);
}

.courses-section {
  width: 100%;
  max-width: none;
  padding-bottom: clamp(2.75rem, 5vw, 4rem);
  background: rgba(233, 226, 210, 0.74);
}
.courses-section > .sec-eyebrow,
.courses-section > .sec-title,
.courses-section > .courses-grid {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}
.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}
.course-card {
  position: relative;
  min-height: 214px;
  background: rgba(251, 247, 238, 0.9);
  border: 1px solid rgba(176, 125, 8, 0.22);
  border-radius: var(--radius);
  padding: var(--space-5);
  overflow: hidden;
  box-shadow: 0 18px 46px -34px rgba(23, 21, 18, 0.24);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s ease;
}
.course-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 24px 58px -34px rgba(23, 21, 18, 0.34);
}
.course-card:hover::before { transform: scaleX(1); }
.course-index {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gold);
  margin-bottom: var(--space-3);
}
.course-title {
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: clamp(1.18rem, 2vw, 1.38rem);
  line-height: 1.28;
  color: var(--ink);
  margin-bottom: var(--space-2);
}
.course-desc {
  font-family: var(--font-thai);
  font-size: 0.98rem;
  line-height: 1.62;
  color: var(--ink-2);
}

.contact-section {
  text-align: left;
}
.contact-inner {
  max-width: 50rem;
}
.contact-message {
  font-family: var(--font-thai);
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
  line-height: 1.78;
  color: var(--ink-2);
  background: rgba(251, 247, 238, 0.9);
  border: 1px solid rgba(176, 125, 8, 0.24);
  border-radius: var(--radius);
  padding: clamp(var(--space-4), 3vw, var(--space-5));
  box-shadow: 0 20px 50px -34px rgba(23, 21, 18, 0.24);
  margin-bottom: var(--space-4);
}
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 50px;
  max-width: 100%;
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.82rem 1.1rem;
  text-decoration: none;
  box-shadow: 0 18px 34px -24px rgba(23, 21, 18, 0.44);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.social-link span { overflow-wrap: anywhere; }
.social-icon {
  flex: 0 0 auto;
  width: 1.18rem;
  height: 1.18rem;
}
.social-facebook {
  background: #1877F2;
  border-color: #1877F2;
}
.social-facebook:hover,
.social-facebook:focus-visible {
  background: #0f5fc5;
  box-shadow: 0 20px 38px -22px rgba(24, 119, 242, 0.55);
  transform: translateY(-2px);
  outline: none;
}
.social-youtube {
  background: #FF0000;
  border-color: #FF0000;
}
.social-youtube:hover,
.social-youtube:focus-visible {
  background: #c90000;
  box-shadow: 0 20px 38px -22px rgba(255, 0, 0, 0.54);
  transform: translateY(-2px);
  outline: none;
}

.site-footer {
  position: relative;
  z-index: 1;
  overflow: hidden;
  margin-top: var(--space-5);
  padding: var(--space-6) clamp(1.25rem, 4vw, 2rem);
  background: rgba(15, 14, 12, 0.94);
  border-top: 1px solid rgba(227, 160, 8, 0.26);
  color: var(--paper);
}
.footer-stars {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.footer-inner {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
}
.footer-brand img {
  height: 42px;
  width: auto;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: rgba(241, 235, 221, 0.78);
}
.footer-disclaimer {
  width: 100%;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(241, 235, 221, 0.12);
  font-family: var(--font-thai);
  font-size: 0.88rem;
  color: rgba(241, 235, 221, 0.68);
  text-align: center;
  line-height: 1.62;
}

@media (max-width: 1020px) {
  .courses-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  #about .about-grid { grid-template-columns: 1fr; }
  .about-portrait {
    max-width: 320px;
    margin: 0 auto;
  }
  .social-links {
    flex-direction: column;
    align-items: stretch;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-disclaimer { text-align: left; }
}
@media (max-width: 560px) {
  .courses-grid { grid-template-columns: 1fr; }
  .stat-chip { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .course-card,
  .social-link {
    transition: none;
  }
}