/* ══════════════════════════════════════════
   ABOUT PAGE v3 — Premium Instructor Profile
   ══════════════════════════════════════════ */

body.page-about { overflow-x: hidden; }

/* ── Variables ── */
body.page-about {
  --ab-pink:   #ff007f;
  --ab-purple: #9d4edd;
  --ab-cyan:   #22d3ee;
  --ab-glass:  rgba(15, 10, 40, 0.65);
  --ab-border: rgba(157, 78, 221, 0.22);
}

/* ── Section base ── */
body.page-about .ab-section {
  padding: 4.5rem 0;
  position: relative;
}
body.page-about .ab-section-dark {
  background: rgba(8, 3, 28, 0.7);
  border-top: 1px solid var(--ab-border);
  border-bottom: 1px solid var(--ab-border);
}

/* ═══ HERO ═══ */
body.page-about .ab-hero {
  position: relative;
  padding: 7rem 0 0;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
body.page-about .ab-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 20% 50%, rgba(255,0,127,.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(34,211,238,.08) 0%, transparent 55%),
    #05011a;
}
body.page-about .ab-hero-mesh {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(157,78,221,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157,78,221,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 30%, transparent 80%);
}
body.page-about .ab-hero-scanline {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,.012) 3px, rgba(255,255,255,.012) 4px);
}

body.page-about .ab-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  padding-bottom: 2rem;
}
@media (min-width: 1024px) {
  body.page-about .ab-hero-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
}

/* Hero content */
body.page-about .ab-hero-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ab-cyan);
  background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.22);
  padding: .4rem .9rem; border-radius: 9999px; margin-bottom: 1.25rem;
}
body.page-about .ab-hero-title { display: flex; flex-direction: column; gap: .25rem; margin-bottom: 1.25rem; }
body.page-about .ab-hero-title-th {
  font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.1;
  background: linear-gradient(135deg, #fff 20%, var(--ab-cyan) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
body.page-about .ab-hero-title-en {
  font-size: clamp(1rem, 2.5vw, 1.5rem); font-weight: 500;
  color: rgba(255,255,255,.35); letter-spacing: .04em;
}

body.page-about .ab-hero-roles {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem;
}
body.page-about .ab-hero-role {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .72rem; font-weight: 600; color: rgba(255,255,255,.75);
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  padding: .45rem .8rem; border-radius: 9999px;
  transition: border-color .2s, transform .2s;
}
body.page-about .ab-hero-role:hover { border-color: rgba(34,211,238,.4); transform: translateY(-2px); }
body.page-about .ab-hero-role i { color: var(--ab-cyan); }

body.page-about .ab-hero-bio {
  font-size: .9rem; line-height: 1.75; color: rgba(255,255,255,.55);
  margin-bottom: 1.75rem; max-width: 520px;
}
body.page-about .ab-hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
body.page-about .ab-btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; padding: .8rem 1.75rem; border-radius: 9999px;
}
body.page-about .ab-btn-ghost {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; padding: .8rem 1.75rem; border-radius: 9999px;
  border: 1px solid var(--ab-border); color: rgba(255,255,255,.75);
  transition: all .2s;
}
body.page-about .ab-btn-ghost:hover { border-color: var(--ab-cyan); color: var(--ab-cyan); }

/* Portrait */
body.page-about .ab-hero-portrait-wrap {
  position: relative; width: 100%; max-width: 420px; margin: 0 auto;
  aspect-ratio: 4/5;
}
body.page-about .ab-portrait-ring {
  position: absolute; border-radius: 50%; border: 1px dashed rgba(157,78,221,.25);
  pointer-events: none;
}
body.page-about .ab-portrait-ring-1 {
  inset: -8%; animation: abSpin 40s linear infinite;
}
body.page-about .ab-portrait-ring-2 {
  inset: -16%; border-color: rgba(34,211,238,.15);
  animation: abSpinRev 30s linear infinite;
}
@keyframes abSpin { to { transform: rotate(360deg); } }
@keyframes abSpinRev { to { transform: rotate(-360deg); } }

body.page-about .ab-portrait-card {
  position: absolute; inset: 5%;
  border-radius: 1.5rem; overflow: hidden;
  border: 2px solid rgba(157,78,221,.35);
  box-shadow: 0 0 60px rgba(157,78,221,.2), 0 30px 60px rgba(0,0,0,.4);
}
body.page-about .ab-portrait-card .page-hero-photo-wrap { max-width: 100% !important; margin: 0 !important; height: 100%; }
body.page-about .ab-portrait-card .page-hero-photo {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  border: none; border-radius: 0; box-shadow: none;
}
body.page-about .ab-portrait-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(5,1,26,.6) 0%, transparent 50%);
}

body.page-about .ab-corner-badge {
  position: absolute; z-index: 2;
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5,1,26,.9); border: 1px solid var(--ab-border);
  color: var(--ab-cyan);
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  animation: abFloat 3s ease-in-out infinite;
}
body.page-about .ab-corner-tl { top: 0; left: 0; animation-delay: 0s; }
body.page-about .ab-corner-tr { top: 0; right: 0; animation-delay: .7s; color: var(--ab-pink); }
body.page-about .ab-corner-bl { bottom: 12%; left: -4%; animation-delay: 1.4s; }
body.page-about .ab-corner-br { bottom: 12%; right: -4%; animation-delay: .3s; color: var(--ab-purple); }
@keyframes abFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-7px)} }

body.page-about .ab-years-pill {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; align-items: center; gap: .45rem;
  padding: .55rem 1.1rem; border-radius: 9999px; white-space: nowrap;
  background: linear-gradient(135deg, var(--ab-pink), var(--ab-purple));
  color: #fff; font-size: .75rem; font-weight: 600;
  box-shadow: 0 0 24px rgba(255,0,127,.4);
}
body.page-about .ab-years-pill strong { font-size: 1rem; }

/* Hero stats bar */
body.page-about .ab-hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--ab-border);
}
@media (min-width: 768px) {
  body.page-about .ab-hero-stats { grid-template-columns: repeat(4, 1fr); }
}
body.page-about .ab-hero-stat {
  display: flex; align-items: center; gap: .85rem;
  padding: 1rem 1.1rem; border-radius: 1rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  transition: border-color .25s, transform .25s;
}
body.page-about .ab-hero-stat:hover { border-color: rgba(34,211,238,.35); transform: translateY(-3px); }
body.page-about .ab-hero-stat-icon {
  width: 44px; height: 44px; border-radius: .75rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(255,0,127,.15), rgba(157,78,221,.15));
  border: 1px solid rgba(157,78,221,.25); color: var(--ab-cyan);
}
body.page-about .ab-hero-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem; font-weight: 800; color: #fff; line-height: 1;
}
body.page-about .ab-hero-stat-lbl { font-size: .68rem; color: rgba(255,255,255,.45); margin-top: .2rem; line-height: 1.3; }

/* ═══ MARQUEE ═══ */
body.page-about .ab-marquee-item { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; }
body.page-about .ab-marquee-item i { color: var(--ab-cyan); }

/* ═══ STORY TIMELINE ═══ */
body.page-about .ab-story-track {
  display: grid; gap: 2rem; position: relative;
}
@media (min-width: 1024px) {
  body.page-about .ab-story-track { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
}
body.page-about .ab-story-line {
  position: absolute; top: 2.5rem; left: 10%; right: 10%; height: 2px;
  background: linear-gradient(90deg, var(--ab-pink), var(--ab-purple), var(--ab-cyan));
  opacity: .3;
}
body.page-about .ab-story-step { position: relative; }
body.page-about .ab-story-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem; font-weight: 900; line-height: 1;
  color: rgba(255,255,255,.06); margin-bottom: -.5rem;
  position: relative; z-index: 0;
}
body.page-about .ab-story-card {
  position: relative; z-index: 1;
  padding: 1.75rem; border-radius: 1.25rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  height: 100%; display: flex; flex-direction: column;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
body.page-about .ab-story-card:hover {
  border-color: rgba(255,0,127,.35);
  box-shadow: 0 16px 40px rgba(157,78,221,.15);
  transform: translateY(-6px);
}
body.page-about .ab-story-card-icon {
  width: 56px; height: 56px; border-radius: 1rem;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ab-pink), var(--ab-purple));
  color: #fff; margin-bottom: 1rem;
  box-shadow: 0 0 20px rgba(255,0,127,.3);
}
body.page-about .ab-story-card-tag {
  font-size: .65rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ab-cyan); margin-bottom: .5rem;
}
body.page-about .ab-story-card-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: .75rem; }
body.page-about .ab-story-card-desc { font-size: .82rem; color: rgba(255,255,255,.5); line-height: 1.7; flex: 1; margin-bottom: 1rem; }
body.page-about .ab-story-chips { display: flex; flex-wrap: wrap; gap: .4rem; }
body.page-about .ab-chip {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .65rem; font-weight: 600; color: var(--ab-cyan);
  background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.18);
  padding: .3rem .65rem; border-radius: 9999px;
}

/* ═══ PLATFORMS ═══ */
body.page-about .ab-platform-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .85rem;
}
@media (min-width: 640px) { body.page-about .ab-platform-grid { grid-template-columns: repeat(4, 1fr); } }

body.page-about .ab-platform-card {
  position: relative; padding: 1.5rem 1rem; border-radius: 1.1rem;
  text-align: center; overflow: hidden; cursor: default;
  border: 1px solid var(--ab-border);
  transition: transform .3s, box-shadow .3s;
}
body.page-about .ab-platform-card:hover { transform: translateY(-5px) scale(1.02); }
body.page-about .ab-platform-card-1 { background: linear-gradient(135deg, rgba(255,0,127,.1), rgba(157,78,221,.08)); }
body.page-about .ab-platform-card-2 { background: linear-gradient(135deg, rgba(34,211,238,.08), rgba(58,134,255,.08)); }
body.page-about .ab-platform-card-3 { background: linear-gradient(135deg, rgba(157,78,221,.1), rgba(255,0,127,.06)); }
body.page-about .ab-platform-card-4 { background: linear-gradient(135deg, rgba(74,222,128,.06), rgba(34,211,238,.08)); }
body.page-about .ab-platform-card:hover { box-shadow: 0 12px 32px rgba(157,78,221,.15); }

body.page-about .ab-platform-icon {
  width: 56px; height: 56px; border-radius: 1rem; margin: 0 auto .75rem;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  color: var(--ab-cyan);
}
body.page-about .ab-platform-num {
  position: absolute; top: .6rem; right: .7rem;
  font-size: .55rem; font-weight: 800; color: rgba(255,255,255,.12);
}
body.page-about .ab-platform-name { font-size: .78rem; font-weight: 700; color: rgba(255,255,255,.82); }

/* ═══ SKILLS ═══ */
body.page-about .ab-skills-layout {
  display: grid; gap: 1rem;
}
@media (min-width: 640px) { body.page-about .ab-skills-layout { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { body.page-about .ab-skills-layout { grid-template-columns: repeat(3, 1fr); } }

body.page-about .ab-skill-group {
  padding: 1.25rem; border-radius: 1.1rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  transition: border-color .25s;
}
body.page-about .ab-skill-pink:hover { border-color: rgba(255,0,127,.35); }
body.page-about .ab-skill-cyan:hover { border-color: rgba(34,211,238,.35); }
body.page-about .ab-skill-purple:hover { border-color: rgba(157,78,221,.4); }

body.page-about .ab-skill-group-head {
  display: flex; align-items: center; gap: .65rem; margin-bottom: .85rem;
  padding-bottom: .75rem; border-bottom: 1px solid rgba(157,78,221,.12);
}
body.page-about .ab-skill-group-icon {
  width: 36px; height: 36px; border-radius: .6rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
body.page-about .ab-skill-pink .ab-skill-group-icon { background: rgba(255,0,127,.15); color: var(--ab-pink); }
body.page-about .ab-skill-cyan .ab-skill-group-icon { background: rgba(34,211,238,.12); color: var(--ab-cyan); }
body.page-about .ab-skill-purple .ab-skill-group-icon { background: rgba(157,78,221,.15); color: var(--ab-purple); }
body.page-about .ab-skill-group-label { font-size: .82rem; font-weight: 700; color: #fff; }

body.page-about .ab-skill-list { display: flex; flex-direction: column; gap: .45rem; }
body.page-about .ab-skill-item {
  display: flex; align-items: flex-start; gap: .55rem;
  font-size: .75rem; color: rgba(255,255,255,.65); line-height: 1.4;
  padding: .4rem .5rem; border-radius: .5rem;
  transition: background .2s;
}
body.page-about .ab-skill-item:hover { background: rgba(255,255,255,.04); }
body.page-about .ab-skill-item-icon { color: var(--ab-cyan); flex-shrink: 0; margin-top: .1rem; }

/* ═══ EXPERIENCE ═══ */
body.page-about .ab-exp-grid {
  display: grid; gap: 1.25rem;
}
@media (min-width: 768px) { body.page-about .ab-exp-grid { grid-template-columns: 1fr 1fr; } }

body.page-about .ab-exp-card {
  padding: 1.75rem; border-radius: 1.25rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  transition: border-color .3s, box-shadow .3s;
}
body.page-about .ab-exp-card-1 { border-top: 3px solid var(--ab-pink); }
body.page-about .ab-exp-card-2 { border-top: 3px solid var(--ab-cyan); }
body.page-about .ab-exp-card:hover { box-shadow: 0 16px 40px rgba(0,0,0,.25); }

body.page-about .ab-exp-card-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
body.page-about .ab-exp-card-icon {
  width: 52px; height: 52px; border-radius: .875rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ab-pink), var(--ab-purple)); color: #fff;
}
body.page-about .ab-exp-card-2 .ab-exp-card-icon { background: linear-gradient(135deg, var(--ab-cyan), #3a86ff); }
body.page-about .ab-exp-card-tag { font-size: .6rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: rgba(255,255,255,.35); }
body.page-about .ab-exp-card-title { font-size: .9rem; font-weight: 700; color: #fff; line-height: 1.35; margin-top: .2rem; }

body.page-about .ab-exp-list { display: flex; flex-direction: column; gap: .5rem; }
body.page-about .ab-exp-list li {
  display: flex; align-items: flex-start; gap: .65rem;
  font-size: .78rem; color: rgba(255,255,255,.68); line-height: 1.4;
  padding: .6rem .75rem; border-radius: .65rem;
  background: rgba(255,255,255,.03); border: 1px solid rgba(157,78,221,.08);
  transition: border-color .2s;
}
body.page-about .ab-exp-list li:hover { border-color: rgba(157,78,221,.25); }
body.page-about .ab-exp-list-icon {
  width: 28px; height: 28px; border-radius: .45rem; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(157,78,221,.12); color: var(--ab-cyan);
}

/* ═══ EDUCATION ═══ */
body.page-about .ab-edu-layout {
  display: grid; gap: 1.25rem;
}
@media (min-width: 1024px) {
  body.page-about .ab-edu-layout { grid-template-columns: 1fr 1.4fr; align-items: stretch; }
}

body.page-about .ab-edu-featured {
  position: relative; padding: 2rem; border-radius: 1.5rem; overflow: hidden;
  background: linear-gradient(135deg, rgba(255,0,127,.1), rgba(157,78,221,.12));
  border: 1px solid rgba(255,0,127,.3);
  display: flex; flex-direction: column; justify-content: center;
}
body.page-about .ab-edu-featured-glow {
  position: absolute; top: -30%; right: -20%; width: 60%; height: 80%;
  background: radial-gradient(circle, rgba(255,0,127,.15), transparent 70%);
  pointer-events: none;
}
body.page-about .ab-edu-featured-icon {
  width: 72px; height: 72px; border-radius: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ab-pink), var(--ab-purple));
  color: #fff; margin-bottom: 1.25rem;
  box-shadow: 0 0 30px rgba(255,0,127,.35);
}
body.page-about .ab-edu-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .62rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ab-cyan); background: rgba(34,211,238,.1);
  border: 1px solid rgba(34,211,238,.2); padding: .25rem .55rem;
  border-radius: 9999px; margin-bottom: .85rem; width: fit-content;
}
body.page-about .ab-edu-badge-phd { color: var(--ab-pink); background: rgba(255,0,127,.1); border-color: rgba(255,0,127,.25); }
body.page-about .ab-edu-degree { font-size: 1.15rem; font-weight: 800; color: #fff; margin-bottom: .4rem; line-height: 1.3; }
body.page-about .ab-edu-field { font-size: .85rem; color: var(--ab-cyan); font-weight: 600; margin-bottom: 1rem; }
body.page-about .ab-edu-school { display: flex; align-items: center; gap: .5rem; font-size: .78rem; color: rgba(255,255,255,.45); }

body.page-about .ab-edu-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: .75rem;
}
body.page-about .ab-edu-card {
  padding: 1.1rem; border-radius: 1rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  display: flex; flex-direction: column;
  transition: border-color .25s, transform .25s;
}
body.page-about .ab-edu-card:hover { border-color: rgba(34,211,238,.3); transform: translateY(-3px); }
body.page-about .ab-edu-card-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: .65rem; }
body.page-about .ab-edu-card-icon { color: var(--ab-cyan); }
body.page-about .ab-edu-card-degree { font-size: .72rem; font-weight: 700; color: #fff; line-height: 1.35; margin-bottom: .3rem; }
body.page-about .ab-edu-card-field { font-size: .68rem; color: rgba(34,211,238,.7); font-weight: 600; margin-bottom: .5rem; flex: 1; }
body.page-about .ab-edu-card-school {
  display: flex; align-items: flex-start; gap: .35rem;
  font-size: .62rem; color: rgba(255,255,255,.38); line-height: 1.4;
}

/* ═══ PHILOSOPHY ═══ */
body.page-about .ab-philosophy {
  position: relative; padding: 5rem 0; overflow: hidden;
}
body.page-about .ab-philosophy-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(157,78,221,.15), transparent),
    linear-gradient(135deg, rgba(255,0,127,.06), rgba(34,211,238,.04));
  border-top: 1px solid var(--ab-border); border-bottom: 1px solid var(--ab-border);
}
body.page-about .ab-philosophy-inner {
  max-width: 44rem; margin: 0 auto; text-align: center;
  padding: 2.5rem 2rem; border-radius: 1.5rem;
  background: rgba(15,10,40,.7); border: 1px solid rgba(157,78,221,.28);
  position: relative;
}
body.page-about .ab-philosophy-inner::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, var(--ab-pink), var(--ab-purple), var(--ab-cyan));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
body.page-about .ab-philosophy-icon {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 1.25rem;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ab-pink), var(--ab-purple)); color: #fff;
  box-shadow: 0 0 28px rgba(255,0,127,.35);
}
body.page-about .ab-philosophy-tag {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ab-cyan); margin-bottom: 1.25rem;
}
body.page-about .ab-philosophy-quote {
  font-size: clamp(1rem, 2.5vw, 1.2rem); font-weight: 600; font-style: italic;
  color: rgba(255,255,255,.9); line-height: 1.7; margin-bottom: 1rem;
}
body.page-about .ab-philosophy-quote-th {
  font-size: .88rem; color: rgba(255,255,255,.5); line-height: 1.75;
  padding-top: 1rem; border-top: 1px solid rgba(157,78,221,.15); margin-bottom: 1.5rem;
}
body.page-about .ab-philosophy-author {
  display: inline-flex; align-items: center; gap: .75rem;
  padding: .6rem 1.2rem; border-radius: 9999px;
  background: rgba(255,255,255,.04); border: 1px solid var(--ab-border);
}
body.page-about .ab-philosophy-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(157,78,221,.15); color: var(--ab-cyan);
}
body.page-about .ab-philosophy-name { font-size: .85rem; font-weight: 700; color: #fff; text-align: left; }
body.page-about .ab-philosophy-role {
  display: flex; align-items: center; gap: .3rem;
  font-size: .68rem; color: rgba(255,255,255,.4); text-align: left;
}

/* ═══ WHY LEARN ═══ */
body.page-about .ab-why-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .85rem;
}
@media (min-width: 1024px) { body.page-about .ab-why-grid { grid-template-columns: repeat(4, 1fr); } }

body.page-about .ab-why-card {
  display: flex; flex-direction: column; padding: 1.5rem; border-radius: 1.1rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
  text-decoration: none; height: 100%;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
body.page-about .ab-why-card:hover {
  border-color: rgba(34,211,238,.35); transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(157,78,221,.12);
}
body.page-about .ab-why-icon {
  width: 48px; height: 48px; border-radius: .875rem; margin-bottom: 1rem;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(255,0,127,.12), rgba(157,78,221,.12));
  border: 1px solid rgba(157,78,221,.2); color: var(--ab-cyan);
}
body.page-about .ab-why-title { font-size: .85rem; font-weight: 700; color: #fff; margin-bottom: .5rem; }
body.page-about .ab-why-desc { font-size: .72rem; color: rgba(255,255,255,.45); line-height: 1.6; flex: 1; margin-bottom: .85rem; }
body.page-about .ab-why-link {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .68rem; font-weight: 600; color: var(--ab-cyan);
}

/* ═══ LOCATION ═══ */
body.page-about .ab-location-card {
  display: grid; gap: 1.5rem; padding: 2rem; border-radius: 1.25rem;
  background: var(--ab-glass); border: 1px solid var(--ab-border);
}
@media (min-width: 768px) {
  body.page-about .ab-location-card { grid-template-columns: 1fr 1.2fr; align-items: center; }
}
body.page-about .ab-location-left { text-align: center; }
@media (min-width: 768px) { body.page-about .ab-location-left { text-align: left; } }

body.page-about .ab-location-icon {
  width: 72px; height: 72px; border-radius: 1.1rem; margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  background: rgba(34,211,238,.1); border: 1px solid rgba(34,211,238,.22);
  color: var(--ab-cyan);
}
@media (min-width: 768px) { body.page-about .ab-location-icon { margin: 0 0 1rem; } }

body.page-about .ab-location-name { font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: .85rem; }
body.page-about .ab-location-meta { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
@media (min-width: 768px) { body.page-about .ab-location-meta { justify-content: flex-start; } }
body.page-about .ab-location-meta span {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .72rem; font-weight: 600; color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.04); padding: .35rem .7rem; border-radius: 9999px;
}

body.page-about .ab-location-list { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
body.page-about .ab-location-list li {
  display: flex; align-items: center; gap: .6rem;
  font-size: .82rem; color: rgba(255,255,255,.65);
  padding: .55rem .75rem; border-radius: .6rem;
  background: rgba(255,255,255,.03); border: 1px solid rgba(157,78,221,.08);
}
body.page-about .ab-location-list li i { color: #4ade80; flex-shrink: 0; }
body.page-about .ab-location-map {
  display: flex; align-items: center; gap: .65rem;
  padding: 1rem 1.25rem; border-radius: .85rem;
  background: rgba(5,1,26,.5); border: 1px dashed rgba(157,78,221,.2);
  font-size: .82rem; color: rgba(255,255,255,.55);
}
body.page-about .ab-location-map i { color: var(--ab-cyan); flex-shrink: 0; }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  body.page-about .ab-portrait-ring-1,
  body.page-about .ab-portrait-ring-2,
  body.page-about .ab-corner-badge { animation: none; }
}

/* ── Mobile tweaks ── */
@media (max-width: 639px) {
  body.page-about .ab-hero { min-height: auto; padding-top: 6rem; }
  body.page-about .ab-hero-portrait-wrap { max-width: 280px; }
  body.page-about .ab-edu-grid { grid-template-columns: 1fr; }
  body.page-about .ab-philosophy-inner { padding: 2rem 1.25rem; }
}