/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg-secondary: #f5f5f7;
  --card-bg: #ffffff;
  --primary: #1d1d1f;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --border: #d2d2d7;
  --radius: 12px;
  --max-w: 1080px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img {
  display: block;
  max-width: 100%;
  border-radius: var(--radius);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.a-navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.a-navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.a-navbar-brand {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.a-navbar-brand:hover { text-decoration: none; color: var(--text); }

.a-navbar-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.a-navbar-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0;
  transition: color 0.15s;
}

.a-navbar-links a:hover,
.a-navbar-links a.active {
  color: var(--accent);
  text-decoration: none;
}

.a-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.a-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO ===== */
.a-hero {
  margin-top: 52px;
  background: var(--bg);
  padding: 100px 0 88px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.a-hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.a-hero h1 {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.05;
  margin-bottom: 24px;
}

.a-hero-subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.a-hero-narrative {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.75;
}

.a-hero-quote {
  max-width: 540px;
  margin: 0 auto 40px;
  padding: 24px 28px;
  border-left: 3px solid var(--accent);
  text-align: left;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.a-hero-quote-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.a-hero-quote-text {
  font-size: 1.15rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 8px;
}

.a-hero-quote-source {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.a-hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.a-hero-stats {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.a-hero-stat {
  flex: 1;
  padding: 20px 16px;
  text-align: center;
  border-right: 1px solid var(--border);
}

.a-hero-stat:last-child { border-right: none; }

.a-hero-stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 4px;
}

.a-hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ===== BUTTONS ===== */
.a-btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 980px;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 400;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  letter-spacing: 0;
  white-space: nowrap;
}

.a-btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.a-btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  text-decoration: none;
  color: #fff;
}

.a-btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.a-btn-outline:hover {
  background: rgba(0, 113, 227, 0.06);
  text-decoration: none;
  color: var(--accent);
}

.a-btn-sm {
  padding: 7px 16px;
  font-size: 0.85rem;
}

/* ===== SECTION ===== */
.a-section {
  padding: 80px 0;
}

.a-section-alt {
  background: var(--bg-secondary);
}

.a-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.025em;
}

.a-section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 48px;
}

.a-section-header {
  margin-bottom: 48px;
}

/* ===== CARDS GRID ===== */
.a-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.a-card {
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
}

.a-card-media {
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
}

.a-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: none;
  transition: transform 0.35s ease;
}

.a-card:hover .a-card-img {
  transform: scale(1.03);
}

.a-card-overlay {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  gap: 6px;
}

.a-story-kicker,
.a-story-readtime {
  background: rgba(255,255,255,0.9);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.a-card-body {
  padding: 20px;
  flex: 1;
}

.a-card-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.a-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.a-story-hook {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-style: italic;
}

.a-card-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.a-card-footer {
  padding: 12px 20px 20px;
  border-top: 1px solid var(--border);
}

/* ===== STORY EXPAND ===== */
.a-story-expand {
  display: none;
  padding: 0 20px 20px;
}

.a-story-expand.open {
  display: block;
}

.a-story-lead-block {
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.a-story-lead {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 12px;
}

.a-story-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.a-story-pill {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(0,0,0,0.05);
  padding: 3px 10px;
  border-radius: 999px;
}

.a-story-section {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.a-story-section:last-child {
  border-bottom: none;
}

.a-story-section h4 {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.a-story-section p {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.7;
}

.a-story-dialogue {
  font-style: italic;
  border-left: 2px solid var(--border);
  padding-left: 14px;
}

.a-story-lesson {
  margin-top: 12px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
}

/* ===== STORY SPOTLIGHT ===== */
.a-story-spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  margin-bottom: 48px;
  border: 1px solid var(--border);
}

.a-story-spotlight-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.a-story-spotlight-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 14px;
}

.a-story-spotlight-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.a-story-spotlight-quote {
  font-size: 1.35rem;
  font-style: italic;
  color: var(--text);
  letter-spacing: -0.01em;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  line-height: 1.6;
}

/* ===== PAGE HERO ===== */
.a-page-hero {
  margin-top: 52px;
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border);
}

.a-page-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 10px;
}

.a-page-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ===== PERSON CARD ===== */
.a-person-card {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.a-person-card:last-of-type { border-bottom: none; }

.a-person-header {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 24px;
}

.a-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-secondary);
  flex-shrink: 0;
  box-shadow: none;
}

.a-person-name {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2px;
}

.a-person-english {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.a-person-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.a-tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 999px;
}

.a-person-quote {
  font-size: 1.05rem;
  color: var(--text);
  font-style: italic;
  margin: 20px 0 14px;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
}

.a-person-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.a-person-related-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 28px 0 16px;
}

/* ===== FEATURED PERSON ===== */
.a-featured-person {
  display: flex;
  gap: 28px;
  align-items: center;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.a-featured-person-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.a-featured-person-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.a-featured-person-role {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.a-featured-person-quote {
  font-size: 1rem;
  font-style: italic;
  color: var(--text);
}

/* ===== TIMELINE ===== */
.a-timeline {
  position: relative;
  padding-left: 0;
}

.a-timeline::before {
  content: '';
  position: absolute;
  left: 56px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.a-timeline-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 24px;
  margin-bottom: 48px;
  position: relative;
}

.a-timeline-year-col {
  text-align: right;
  padding-top: 2px;
}

.a-timeline-year {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.a-timeline-dot {
  position: absolute;
  left: 52px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
}

.a-timeline-content { }

.a-timeline-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.a-timeline-location {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.a-timeline-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== VALUES ===== */
.a-values-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.a-value-card {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: baseline;
}

.a-value-card:last-child { border-bottom: none; }

.a-value-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.a-value-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== GALLERY ===== */
.a-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.a-gallery-item {
  background: var(--bg);
  overflow: hidden;
}

.a-gallery-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-radius: 0;
  box-shadow: none;
  transition: transform 0.35s ease;
}

.a-gallery-item:hover .a-gallery-img {
  transform: scale(1.04);
}

.a-gallery-caption {
  padding: 16px;
}

.a-gallery-caption h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.a-gallery-caption p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.a-gallery-placeholder {
  width: 100%;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  font-size: 2rem;
  color: var(--text-secondary);
}

/* ===== ABOUT ===== */
.a-about-block h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}

.a-about-block p,
.a-about-block li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.a-about-block ul,
.a-about-block ol {
  padding-left: 20px;
}

.a-about-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

code {
  font-family: "SF Mono", "Menlo", "Monaco", monospace;
  font-size: 0.85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}

/* ===== FOOTER ===== */
.a-footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.a-footer p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 2;
}

.a-footer a {
  color: var(--text-secondary);
}

.a-footer a:hover {
  color: var(--accent);
  text-decoration: none;
}

.a-version-switch {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
}

.a-version-switch a {
  color: var(--accent);
}

/* ===== BACK TO TOP ===== */
#a-back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

#a-back-to-top.visible { display: flex; }
#a-back-to-top:hover { background: #fff; border-color: var(--accent); color: var(--accent); }

/* ===== MOBILE NAV OPEN ===== */
.a-navbar-links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 52px; left: 0; right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  padding: 16px 24px 24px;
  border-bottom: 1px solid var(--border);
  gap: 4px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .a-navbar-links {
    display: none;
  }

  .a-hamburger {
    display: flex;
  }

  .a-hero {
    padding: 72px 0 60px;
  }

  .a-hero-stats {
    flex-direction: column;
    max-width: 280px;
  }

  .a-hero-stat {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .a-hero-stat:last-child { border-bottom: none; }

  .a-story-spotlight {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px;
  }

  .a-value-card {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .a-timeline::before {
    left: 0;
  }

  .a-timeline-item {
    grid-template-columns: 1fr;
    padding-left: 20px;
  }

  .a-timeline-year-col {
    text-align: left;
  }

  .a-timeline-dot {
    left: -4px;
  }

  .a-person-header {
    flex-direction: column;
    gap: 16px;
  }

  .a-featured-person {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .a-hero h1 {
    font-size: clamp(32px, 10vw, 48px);
  }

  .a-cards-grid {
    grid-template-columns: 1fr;
  }

  .a-gallery-grid {
    grid-template-columns: 1fr;
  }
}