/* ═══════════════════════════════════════════
   TOKENS & THEME
═══════════════════════════════════════════ */
:root {
  --accent: #4ECDC4;
  --accent-dim: rgba(78, 205, 196, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --nav-height: 64px;
  --transition: 0.22s ease;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
}

[data-theme="dark"] {
  --bg: #0F1923;
  --bg-nav: rgba(15, 25, 35, 0.92);
  --bg-card: #172030;
  --bg-dropdown: #1A2535;
  --border: rgba(255,255,255,0.07);
  --text-primary: #F5F2ED;
  --text-secondary: #8A9BB0;
  --text-muted: #4A5A6A;
  --shadow: 0 8px 40px rgba(0,0,0,0.45);
}

[data-theme="light"] {
  --bg: #F5F2ED;
  --bg-nav: rgba(245, 242, 237, 0.93);
  --bg-card: #ECEAE5;
  --bg-dropdown: #FFFFFF;
  --border: rgba(0,0,0,0.08);
  --text-primary: #0F1923;
  --text-secondary: #4A5E72;
  --text-muted: #9AABB8;
  --shadow: 0 8px 40px rgba(0,0,0,0.10);
}

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

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

a { text-decoration: none; color: inherit; }

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--bg-nav);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 40px;
  z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}

/* Logo */
.nav-logo { flex-shrink: 0; position: relative; display: inline-flex; }
.logo-dot {
  position: absolute;
  bottom: 2px;
  right: -5px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}
.logo-svg {
  display: block;
  height: 32px;
  width: auto;
  color: var(--text-primary);
  transition: color var(--transition);
}
.nav-logo:hover .logo-svg {
  color: var(--accent);
}

/* Nav links row */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

/* Individual nav item */
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-label {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  user-select: none;
}

.nav-item a.nav-label { display: inline-block; }

.nav-item:hover > .nav-label,
.nav-item:hover > a.nav-label {
  color: var(--text-primary);
  background: var(--accent-dim);
}

.has-dropdown {
  cursor: pointer;
}
.has-dropdown > .nav-label {
  pointer-events: none; /* hover handled on parent */
}

/* Chevron */
.chevron {
  width: 9px; height: 9px;
  color: var(--text-muted);
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
}
.nav-item:hover .chevron {
  transform: rotate(180deg);
  color: var(--accent);
}

/* ═══════════════════════════════════════════
   DROPDOWN
═══════════════════════════════════════════ */
.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  background: var(--bg-dropdown);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    visibility var(--transition);
  overflow: hidden;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-inner {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dropdown-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 10px 10px 12px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  cursor: pointer;
}

.dropdown-item:hover {
  background: var(--accent-dim);
  border-left-color: var(--accent);
}

.item-title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.item-desc {
  grid-area: desc;
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 1px;
}

/* Tag item */
.dropdown-titem {
  display: grid;
  grid-template-areas: "tag title" "tag desc";
  grid-template-columns: 64px 1fr;
  column-gap: 10px;
  padding: 10px 10px 10px 12px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  cursor: pointer;
}

.dropdown-titem:hover {
  background: var(--accent-dim);
  border-left-color: var(--accent);
}

.titem-tag {
  grid-area: tag;
  align-self: center;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  height: fit-content;
  margin-top: 2px;
}

.titem-title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.titem-desc {
  grid-area: desc;
  font-size: 11.5px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-top: 1px;
}


/* ═══════════════════════════════════════════
   NAV CONTROLS (right side)
═══════════════════════════════════════════ */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--accent-dim);
}

.lang-sep { color: var(--text-muted); font-weight: 400; }

.lang-option { transition: color var(--transition); }
.lang-option.active { color: var(--accent); }

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.theme-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 17px; height: 17px;
}
.theme-icon svg { width: 100%; height: 100%; }

/* Show/hide sun/moon based on theme */
[data-theme="dark"]  .theme-icon.moon { display: none; }
[data-theme="dark"]  .theme-icon.sun  { display: flex; }
[data-theme="light"] .theme-icon.sun  { display: none; }
[data-theme="light"] .theme-icon.moon { display: flex; }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.home-main {
  padding-top: var(--nav-height);
  margin-top: -100vh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 80px 60px;
  max-width: 900px;
}

.hero-canvas {
  position: fixed;
  top: var(--nav-height); left: 0; right: 0; bottom: 0;
  z-index: -1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: '';
  width: 24px; height: 1.5px;
  background: var(--accent);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.hero-role {
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-photo-wrap{
    position: absolute;
    width: 20vw;
    height: 40vh;
    min-width: 180px;
    right: 160px; top: 20%;
}

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent);
  color: #0F1923;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--accent-dim);
}

/* ═══════════════════════════════════════════
   FEATURED STRIP
═══════════════════════════════════════════ */
.featured-strip {
  border-top: 1px solid var(--border);
  padding: 0 80px 64px;
}

.strip-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 20px 0 16px;
}

.strip-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.strip-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}
.strip-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.strip-card-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.4;
  flex-shrink: 0;
}

.strip-card-body { flex: 1; }
.strip-card-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.strip-card-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.strip-arrow {
  font-size: 18px;
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}
.strip-card:hover .strip-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ═══════════════════════════════════════════
   HAMBURGER BUTTON
═══════════════════════════════════════════ */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.nav-hamburger:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.nav-hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
  transform-origin: center;
}
/* X state */
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ═══════════════════════════════════════════
   MOBILE DRAWER
═══════════════════════════════════════════ */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0; bottom: 0;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  z-index: 999;
  overflow-y: auto;
  padding: 16px 20px 40px;
  flex-direction: column;
  gap: 4px;
  /* hidden by default */
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.mobile-nav.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

/* Mobile nav section headings */
.mobile-nav-section {
  margin-top: 12px;
}
.mobile-nav-section:first-child { margin-top: 4px; }

.mobile-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 12px 6px;
  display: block;
}

/* Mobile links — same visual style as dropdown items */
.mobile-nav-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  color: var(--text-primary);
}
.mobile-nav-link:active,
.mobile-nav-link:hover {
  background: var(--accent-dim);
  border-left-color: var(--accent);
}
.mobile-nav-link .item-title,
.mobile-nav-link .titem-title { font-size: 15px; }
.mobile-nav-link .item-desc,
.mobile-nav-link .titem-desc { font-size: 12px; }

/* Timeline items inside mobile nav */
.mobile-titem {
  display: grid;
  grid-template-areas: "tag title" "tag desc";
  grid-template-columns: 64px 1fr;
  column-gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  color: var(--text-primary);
}
.mobile-titem:active,
.mobile-titem:hover {
  background: var(--accent-dim);
  border-left-color: var(--accent);
}

/* Divider between sections */
.mobile-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

/* Mobile-only simple nav link */
.mobile-plain-link {
  display: block;
  padding: 14px 14px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.mobile-plain-link:hover,
.mobile-plain-link:active {
  color: var(--text-primary);
  background: var(--accent-dim);
}

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET
═══════════════════════════════════════════ */
@media (max-width: 860px) {
  /* Swap desktop nav for hamburger */
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .mobile-nav { display: flex; }

  .navbar { padding: 0 16px; gap: 12px; }

  .hero {
    padding: 48px 24px 40px;
    max-width: 100%;
  }
  .hero-photo-wrap { display: none; }
  .featured-strip { padding: 0 24px 48px; }
  .strip-items { grid-template-columns: 1fr; }
  .hero-name { font-size: clamp(36px, 8vw, 56px); }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE
═══════════════════════════════════════════ */
@media (max-width: 480px) {
  .nav-controls { gap: 6px; }
  .lang-toggle { padding: 5px 8px; font-size: 11px; }

  .hero { padding: 40px 20px 32px; }
  .hero-eyebrow { font-size: 11px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .btn-primary, .btn-ghost { text-align: center; width: 100%; }

  .featured-strip { padding: 0 20px 40px; }
  .strip-card { padding: 14px 16px; }
  .strip-card-num { font-size: 22px; }
}

/* ═══════════════════════════════════════════
   SCROLLBAR (subtle)
═══════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ═══════════════════════════════════════════
   FOCUS VISIBLE
═══════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ═══════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}