/* ===== Additions: language switcher, faculty, values, Thai type ===== */

/* Contact form — send state */
.form-error {
  margin-top: 12px;
  padding: 10px 14px;
  border: 1px solid oklch(0.60 0.18 25);
  background: oklch(0.96 0.03 25);
  color: oklch(0.38 0.14 25);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}
.btn-primary[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Thai typography tweaks */
body[data-lang="th"] {
  --fs-hero: clamp(34px, 5.44vw, 88px);
  --fs-section: clamp(32px, 4.8vw, 72px);
}
body[data-lang="th"] .hero-title em { font-style: normal; }
body[data-lang="th"] .hero-title,
body[data-lang="th"] .section-title,
body[data-lang="th"] blockquote,
body[data-lang="th"] .svc-panel-title,
body[data-lang="th"] .fac-name,
body[data-lang="th"] .form-sent h3 {
  font-family: 'Noto Serif Thai', 'Instrument Serif', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
body[data-lang="th"] .hero-title { line-height: 1.12; }
body[data-lang="th"] .brand-primary,
body[data-lang="th"] .policy-text,
body[data-lang="th"] .about-lede,
body[data-lang="th"] .fac-tagline,
body[data-lang="th"] .bullet-name,
body[data-lang="th"] .cred-value,
body[data-lang="th"] .foot-val,
body[data-lang="th"] .std-code-name,
body[data-lang="th"] .std-title,
body[data-lang="th"] .step-name,
body[data-lang="th"] .contact-meta dd {
  font-family: 'Noto Serif Thai', 'Instrument Serif', Georgia, serif;
  font-weight: 500;
}

/* Nav right: lang switch + CTA */
.nav-right { display: flex; align-items: center; gap: 16px; }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--ink-3);
  cursor: pointer;
  padding: 4px 2px;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  transition: color 0.15s;
}
.lang-btn:hover { color: var(--ink); }
.lang-btn.on { color: var(--accent); font-weight: 500; }
.lang-sep { color: var(--ink-3); opacity: 0.5; }

@media (max-width: 900px) {
  .nav-right { gap: 10px; }
}

/* ===== Faculty ===== */
.faculty .fac-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
}
.fac-card {
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s;
}
.fac-card:hover { border-color: var(--ink-2); }

.fac-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.fac-idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.fac-portrait {
  width: 156px; height: 192px;
  position: relative;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}
.portrait-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
  filter: grayscale(0.15) contrast(1.02);
}
.fac-portrait:has(.portrait-img) .portrait-stripes {
  mix-blend-mode: multiply;
  opacity: 0.25;
}
.portrait-initials {
  font-family: var(--serif);
  font-size: 36px;
  letter-spacing: -0.02em;
  z-index: 1;
  position: relative;
}
.portrait-stripes {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent 0 6px,
    color-mix(in oklch, var(--paper) 8%, transparent) 6px 7px
  );
  opacity: 0.6;
}

.fac-meta { display: flex; flex-direction: column; gap: 6px; }
.fac-role {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}
.fac-name {
  font-family: var(--serif);
  font-size: clamp(28px, 2.6vw, 38px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.fac-cert {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.03em;
}

.fac-tagline {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-2);
  font-style: italic;
}

.fac-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}
.fac-pillar {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.fac-pillar dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
}
.fac-pillar dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
}

.fac-more {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: flex-start;
  transition: gap 0.2s;
}
.fac-more:hover { gap: 14px; }
.chev { transition: transform 0.25s; }
.chev.open { transform: rotate(180deg); }

.fac-detail {
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(.4,.1,.1,1);
}
.fac-detail-inner {
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.fac-bio {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}
.fac-exp {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fac-exp li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}
.exp-dot {
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
}
.fac-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
}

@media (max-width: 820px) {
  .faculty .fac-grid { grid-template-columns: 1fr; }
  .fac-pillar { grid-template-columns: 1fr; gap: 4px; }
}

/* ===== About — policy + values ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(40px, 6vw, 96px);
  margin-bottom: clamp(60px, 8vw, 100px);
}
.about-policy {
  border-left: 2px solid var(--accent);
  padding: 6px 0 6px 24px;
}
.policy-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.policy-text {
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 32px);
  line-height: 1.25;
  font-style: italic;
  letter-spacing: -0.01em;
}

.values-block {
  margin: clamp(60px, 8vw, 100px) 0;
  border-top: 1px solid var(--rule);
  padding-top: 40px;
}
.values-head {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
}
.values-list {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.values-list li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  padding: 28px 24px 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.values-list li:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: 40px; }
.val-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.val-name {
  font-family: var(--serif);
  font-size: clamp(20px, 1.8vw, 26px);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  line-height: 1.2;
}
.val-desc {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.55;
}
@media (max-width: 820px) {
  .values-list { grid-template-columns: 1fr; }
  .values-list li:nth-child(odd) { border-right: none; padding-right: 0; }
}

/* Contact meta: pre-line whitespace for multi-line office */
.contact-meta dd { white-space: pre-line; }

/* LJ wordmark — tighter, namecard-inspired */
.lj-mark { display: block; }
.lj-mark-img {
  display: block;
  height: 32px;
  width: auto;
  object-fit: contain;
}
.brand-primary {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}
.brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}