/* ─────────────────────────────────────────
   CHRISTOPHE PORTFOLIO — styles.css
   Navy + Gold palette, Dark / Light themes
───────────────────────────────────────── */

/* ── THEME VARIABLES ── */
[data-theme="dark"] {
  --bg:           #0e1628;
  --bg2:          #121e36;
  --bg3:          #172140;
  --surface:      #1d2a4a;
  --surface2:     #243355;
  --border:       rgba(100, 140, 210, 0.14);
  --border-hover: rgba(100, 140, 210, 0.30);
  --text:         #e8edf8;
  --text-muted:   #7a8db0;
  --text-faint:   #455270;
  --gold:         #c9a96e;
  --gold-light:   #e0c48a;
  --blue:         #5b9cf0;
  --blue-light:   #82b4f5;
  --navy-glow:    rgba(91, 156, 240, 0.10);
  --gold-glow:    rgba(201, 169, 110, 0.08);
}

[data-theme="light"] {
  --bg:           #f4f6fb;
  --bg2:          #edf0f8;
  --bg3:          #e4e9f5;
  --surface:      #ffffff;
  --surface2:     #f0f3fc;
  --border:       rgba(30, 70, 160, 0.12);
  --border-hover: rgba(30, 70, 160, 0.28);
  --text:         #12213d;
  --text-muted:   #4a5e82;
  --text-faint:   #8999b8;
  --gold:         #a07c3a;
  --gold-light:   #b8924f;
  --blue:         #2563c8;
  --blue-light:   #3a78e0;
  --navy-glow:    rgba(37, 99, 200, 0.06);
  --gold-glow:    rgba(160, 124, 58, 0.06);
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
strong { font-weight: 500; color: var(--text); }

/* ── MAX-WIDTH CONTAINER ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ── TYPOGRAPHY SCALE ── */
.section-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(34px, 4.5vw, 58px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 36px;
}
.section-title em {
  font-style: italic;
  color: var(--gold);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s, background 0.3s;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--gold);
  color: #0e1628;
}
[data-theme="light"] .btn-primary { color: #fff; }
.btn-primary:hover { opacity: 0.86; transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

/* ── SECTION RULE ── */
.section-rule {
  height: 1px;
  background: var(--border);
  margin: 0 48px;
}

/* ── FADE-IN ANIMATION ── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-in.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.28s; }

/* ──────────────────────
   NAV
────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(14, 22, 40, 0.80);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background 0.35s;
}
[data-theme="light"] #navbar {
  background: rgba(244, 246, 251, 0.85);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--gold); }
.logo-dot { color: var(--gold); }

.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-link {
  font-size: 13px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { transform: scaleX(1); }

/* Nav right group */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger button — hidden on desktop */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 8px;
  transition: border-color 0.2s;
}
.hamburger:hover { border-color: var(--gold); }

.ham-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-muted);
  border-radius: 2px;
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.2s;
}

/* X state when open */
.hamburger.open .ham-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open .ham-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .ham-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu — hidden by default */
.mobile-menu {
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { max-height: 400px; }

.mobile-nav-links {
  list-style: none;
  padding: 16px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: block;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, padding-left 0.2s;
  font-family: 'JetBrains Mono', monospace;
}
.mobile-nav-link:hover {
  color: var(--gold);
  padding-left: 8px;
}
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, background 0.35s;
  font-size: 16px;
  line-height: 1;
  position: relative;
}
.theme-toggle:hover { border-color: var(--gold); }
.toggle-icon {
  position: absolute;
  transition: opacity 0.3s, transform 0.3s;
  color: var(--text-muted);
}
.toggle-icon.sun  { opacity: 0; transform: scale(0.7); color: var(--gold); }
.toggle-icon.moon { opacity: 1; transform: scale(1);   color: var(--blue-light); }
[data-theme="light"] .toggle-icon.sun  { opacity: 1; transform: scale(1); }
[data-theme="light"] .toggle-icon.moon { opacity: 0; transform: scale(0.7); }

/* ──────────────────────
   HERO
────────────────────── */
#home {
  min-height: 100vh;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  min-height: calc(100vh - 200px);
}

.hero-bg-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--text-faint) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.25;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--navy-glow) 0%, transparent 65%);
  top: 30%; left: 40%; transform: translate(-50%, -50%);
  pointer-events: none;
}

/* Hero content */
.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--blue);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(91,156,240,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(91,156,240,0); }
}
[data-theme="light"] .eyebrow-dot {
  animation: pulse-light 2.2s infinite;
}
@keyframes pulse-light {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,200,0.35); }
  50%       { box-shadow: 0 0 0 6px rgba(37,99,200,0); }
}

.hero-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(56px, 8vw, 104px);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 18px;
}
.hero-name em { font-style: italic; color: var(--gold); }

.hero-subtitle {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 20px;
}

.hero-bio {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 440px;
  line-height: 1.85;
  margin-bottom: 32px;
}
.inline-link { color: var(--blue); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.inline-link:hover { border-color: var(--blue); }

.hero-ctas { display: flex; gap: 14px; margin-bottom: 48px; flex-wrap: wrap; }

.hero-stats {
  display: flex; align-items: center; gap: 28px;
}
.stat-divider { width: 1px; height: 32px; background: var(--border); }
.stat-num {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
}

/* Hero visual */
.hero-visual {
  position: relative; z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* Wraps the ring + photo + badge tightly together */
.photo-wrap {
  position: relative;
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.photo-frame-outer {
  position: absolute;
  width: 332px;
  height: 332px;
  top: 50%; left: 50%;
  margin-top: -166px;
  margin-left: -166px;
  border-radius: 50%;
  pointer-events: none;
  animation: rotate-ring 4s linear infinite;
  /* Conic gradient comet tail — bright gold fading to transparent */
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    transparent 60%,
    rgba(201, 169, 110, 0.15) 75%,
    rgba(201, 169, 110, 0.5) 88%,
    rgba(201, 169, 110, 0.9) 95%,
    rgba(230, 200, 140, 1) 100%
  );
  /* Mask to only show a thin ring, not a filled circle */
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), white calc(100% - 2px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), white calc(100% - 2px));
}
@keyframes rotate-ring {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.photo-card {
  width: 300px; height: 300px;
  border-radius: 50%;
  overflow: visible;
  border: none;
  background: transparent;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.photo-card img {
  width: 300px; height: 300px;
  object-fit: contain;
  border-radius: 50%;
  transition: transform 0.5s ease;
  filter: drop-shadow(0 8px 32px rgba(91, 156, 240, 0.18));
}
[data-theme="light"] .photo-card img {
  filter: drop-shadow(0 8px 32px rgba(37, 99, 200, 0.12));
}
.photo-card:hover img { transform: scale(1.04); }

.photo-badge {
  position: absolute;
  bottom: -18px; left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--border-hover);
  border-radius: 20px;
  padding: 6px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--blue-light);
  white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
  z-index: 10;
}
.badge-icon { color: var(--gold); }

.hero-tech-pills {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
  max-width: 320px;
  margin-top: 12px;
}
.tech-float {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  transition: border-color 0.2s, color 0.2s;
}
.tech-float:hover { border-color: var(--gold); color: var(--gold); }

/* ──────────────────────
   ABOUT
────────────────────── */
#about { padding: 96px 0; }

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.about-text p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 18px;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 22px 24px;
  transition: border-color 0.25s, transform 0.25s;
}
.about-card:hover { border-color: var(--border-hover); transform: translateX(4px); }

.card-icon { font-size: 22px; margin-bottom: 10px; }
.about-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.about-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ──────────────────────
   MOBILE ACCORDIONS
   Desktop completely unchanged — all logic inside @media
────────────────────── */
@media (max-width: 900px) {

  /* Remove default tap highlight on all accordion cards */
  .about-card,
  .timeline-card,
  .project-card {
    -webkit-tap-highlight-color: transparent;
  }

  /* About cards — collapse body text, expand on tap */
  .about-card {
    cursor: pointer;
    transform: none !important;
    position: relative;
  }
  .about-card p {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin: 0;
    transition: max-height 0.35s ease, opacity 0.3s ease, margin 0.3s ease;
  }
  .about-card.expanded p {
    max-height: 200px;
    opacity: 1;
    margin-top: 8px;
  }
  .about-card::after {
    content: '+ tap to expand';
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-faint);
    letter-spacing: 0.08em;
    display: block;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
  }
  .about-card.expanded::after {
    content: '- tap to collapse';
    color: var(--gold);
  }

  /* Timeline cards — collapse desc + tags, expand on tap */
  .timeline-card {
    cursor: pointer;
  }
  .timeline-desc,
  .timeline-tags {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.3s ease;
  }
  .timeline-card.expanded .timeline-desc {
    max-height: 600px;
    opacity: 1;
    margin-top: 12px;
  }
  .timeline-card.expanded .timeline-tags {
    max-height: 150px;
    opacity: 1;
    margin-top: 12px;
  }
  .timeline-header::after {
    content: '+ tap to expand';
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-faint);
    letter-spacing: 0.08em;
    display: block;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
  }
  .timeline-card.expanded .timeline-header::after {
    content: '- tap to collapse';
    color: var(--gold);
  }

  /* Project cards — collapse desc, keep image hidden, expand on tap */
  .project-card {
    cursor: pointer;
  }
  .project-desc {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.3s ease;
  }
  .project-card.expanded .project-desc {
    max-height: 300px;
    opacity: 1;
    margin-top: 12px;
  }
  .project-tags::after {
    content: '+ tap to expand';
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-faint);
    letter-spacing: 0.08em;
    display: block;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    width: 100%;
  }
  .project-card.expanded .project-tags::after {
    content: '- tap to collapse';
    color: var(--gold);
  }
}
#experience { padding: 96px 0; }

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  position: relative;
}

.timeline-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.timeline-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  white-space: nowrap;
}

.timeline-line {
  width: 1px;
  flex: 1;
  min-height: 60px;
  background: var(--border);
  position: relative;
}
.timeline-line::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--border-hover);
}
.timeline-line--current::before {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 8px rgba(201, 169, 110, 0.5);
}

.timeline-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px 32px;
  margin-bottom: 24px;
  transition: border-color 0.25s;
}
.timeline-card:hover { border-color: var(--border-hover); }
.timeline-card--current {
  border-color: rgba(201, 169, 110, 0.25);
}
.timeline-card--current:hover {
  border-color: rgba(201, 169, 110, 0.45);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.timeline-role {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.timeline-company {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--blue);
  letter-spacing: 0.04em;
}

.timeline-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  background: var(--bg3);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.timeline-badge--current {
  color: var(--gold);
  background: rgba(201, 169, 110, 0.08);
  border-color: rgba(201, 169, 110, 0.25);
}

.timeline-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.timeline-tags { display: flex; flex-wrap: wrap; gap: 6px; }
#skills {
  padding: 96px 0;
  background: var(--bg2);
}

/* Legend */
.skills-legend {
  display: flex;
  gap: 28px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.legend-dots { letter-spacing: 2px; }
.legend-dots.familiar  { color: var(--text-faint); }
.legend-dots.proficient { color: var(--blue); }
.legend-dots.advanced  { color: var(--gold); }

/* Tab buttons */
.skills-tabs {
  display: flex; gap: 4px;
  margin-bottom: 32px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
  width: fit-content;
}
.tab-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border: none;
  padding: 9px 22px;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { background: var(--surface2); color: var(--gold); }

/* Skill panels */
.skills-panels { position: relative; min-height: 200px; }
.skills-panel {
  display: none;
  animation: fadeTab 0.3s ease;
}
.skills-panel.active { display: block; }
@keyframes fadeTab {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* Skill grid — badge style, fixed 3 columns */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

/* If last row has 1 item — stretch full width */
.skill-grid .skill-item:last-child:nth-child(3n - 2) {
  grid-column: 1 / -1;
}

/* If last row has 2 items — stretch across 2 columns */
.skill-grid .skill-item:last-child:nth-child(3n - 1) {
  grid-column: span 2;
}

.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px 18px;
  transition: border-color 0.2s, transform 0.2s;
}
.skill-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.skill-name {
  font-size: 14px;
  color: var(--text);
  font-weight: 400;
}

.skill-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.skill-badge.familiar {
  color: var(--text-faint);
  background: var(--bg3);
  border: 1px solid var(--border);
}
.skill-badge.proficient {
  color: var(--blue);
  background: rgba(91, 156, 240, 0.08);
  border: 1px solid rgba(91, 156, 240, 0.20);
}
.skill-badge.advanced {
  color: var(--gold);
  background: rgba(201, 169, 110, 0.08);
  border: 1px solid rgba(201, 169, 110, 0.22);
}

/* ──────────────────────
   PROJECTS
────────────────────── */
#project { padding: 96px 0; }

.projects-list { display: flex; flex-direction: column; gap: 3px; }

.project-card {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: center;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 40px 44px;
  transition: border-color 0.25s;
  margin-bottom: 3px;
}
.project-card:hover { border-color: var(--border-hover); }

.project-num {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.project-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--gold);
  border: 1px solid rgba(201, 169, 110, 0.28);
  padding: 3px 12px;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.project-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

.project-image {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 10;
  background: var(--surface);
}
.project-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}
.project-card:hover .project-image img { transform: scale(1.04); }
.project-placeholder {
  overflow: hidden;
  border-radius: 4px;
}
.project-placeholder svg {
  display: block;
  width: 100%;
  height: 100%;
}

.gif-image img { object-fit: contain; background: #000; }

.image-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--navy-glow), transparent);
  pointer-events: none;
}

/* ──────────────────────
   CONTACT
────────────────────── */
#contact { padding: 96px 0; background: var(--bg2); }

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact-sub {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 340px;
}

.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 18px;
  transition: border-color 0.2s, color 0.2s;
  max-width: 280px;
}
.contact-link:hover { border-color: var(--gold); color: var(--gold); }
.contact-link-icon {
  font-size: 16px;
  color: var(--gold);
  width: 20px;
  text-align: center;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }

.form-field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.contact-form input,
.contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  padding: 13px 16px;
  outline: none;
  resize: none;
  transition: border-color 0.2s, background 0.35s;
  width: 100%;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-faint); }
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--blue); }

/* ──────────────────────
   FOOTER
────────────────────── */
footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg2);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Top row: logo left, social right */
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: -0.01em;
}
.footer-logo span {
  color: var(--text-faint);
  font-size: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
  margin-left: 10px;
  letter-spacing: 0;
}

/* Bottom row: nav left, copyright right */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-nav { display: flex; gap: 24px; list-style: none; }
.footer-nav a {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-family: 'JetBrains Mono', monospace;
  transition: color 0.2s;
  position: relative;
}
.footer-nav a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.footer-nav a:hover { color: var(--gold); }
.footer-nav a:hover::after { transform: scaleX(1); }

.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
}

/* ── ICON IMAGES ── */
.btn-icon {
  width: 14px; height: 14px;
  display: inline-block;
  vertical-align: middle;
}
/* Arrow on gold/primary button */
.btn-primary .btn-icon { filter: brightness(0); } /* dark: black arrow on gold */
[data-theme="light"] .btn-primary .btn-icon { filter: brightness(0) invert(1); } /* light: white arrow on gold */
/* Arrow on ghost button and links — muted color */
.btn-ghost .btn-icon,
.gh-link .btn-icon {
  filter: brightness(0) saturate(100%) invert(60%) sepia(10%) saturate(400%) hue-rotate(190deg);
}
[data-theme="light"] .btn-ghost .btn-icon,
[data-theme="light"] .gh-link .btn-icon {
  filter: brightness(0) saturate(100%) invert(35%) sepia(20%) saturate(500%) hue-rotate(190deg);
}

.social-icon {
  width: 16px; height: 16px;
  display: inline-block;
  vertical-align: middle;
  filter: brightness(0) saturate(100%) invert(60%) sepia(10%) saturate(400%) hue-rotate(190deg);
}
[data-theme="light"] .social-icon {
  filter: brightness(0) saturate(100%) invert(25%) sepia(20%) saturate(600%) hue-rotate(200deg);
}
.social-link:hover .social-icon,
.gh-toggle-wrap:hover .gh-icon {
  filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(400%) hue-rotate(190deg);
}

.gh-track-icon {
  width: 13px; height: 13px;
  display: inline-block;
  vertical-align: middle;
  filter: brightness(0) saturate(100%) invert(60%) sepia(10%) saturate(400%) hue-rotate(190deg);
  z-index: 2;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: filter 0.3s;
}
[data-theme="light"] .gh-track-icon {
  filter: brightness(0) saturate(100%) invert(25%) sepia(20%) saturate(600%) hue-rotate(200deg);
}
.gh-track-icon.active { filter: brightness(0); }
.gh-track-icon:first-child { left: 11px; }
.gh-track-icon:last-child  { right: 11px; }
.footer-social {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 14px;
  height: 44px;
  transition: border-color 0.2s, color 0.2s;
}
.social-link:hover { border-color: var(--blue); color: var(--blue); }
.social-link svg { flex-shrink: 0; }

/* GitHub toggle */
.gh-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px 14px;
  height: 44px;
  transition: border-color 0.2s;
}
.gh-toggle-wrap:hover { border-color: var(--border-hover); }

.gh-icon { color: var(--text-faint); flex-shrink: 0; }

.gh-toggle {
  cursor: pointer;
  user-select: none;
}

.gh-track {
  position: relative;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 72px;
  height: 28px;
  flex-shrink: 0;
}

.gh-track-icon {
  width: 13px; height: 13px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  transition: filter 0.3s;
  filter: brightness(0) saturate(100%) invert(60%) sepia(10%) saturate(400%) hue-rotate(190deg);
}
.gh-track-icon:first-child  { left: 11px; }
.gh-track-icon:last-child   { right: 11px; }
.gh-track-icon.active { filter: brightness(0); }

.gh-thumb {
  position: absolute;
  width: 28px; height: 20px;
  background: var(--gold);
  border-radius: 14px;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  transition: left 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1;
}
.gh-thumb.professional { left: 40px; }

.gh-link {
  color: var(--text-faint);
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.gh-link:hover { color: var(--gold); }

/* ──────────────────────
   SCROLLBAR
────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }

/* ──────────────────────
   RESPONSIVE
────────────────────── */
@media (max-width: 900px) {
  .container { padding: 0 24px; }

  #navbar { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  #home { padding: 100px 0 64px; }
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual { display: none; }

  #about { padding: 72px 0; }
  .about-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  #experience, #skills, #project, #contact { padding: 72px 0; }
  .section-rule { margin: 0 24px; }

  /* Fix skills grid overflow */
  .skill-grid {
    grid-template-columns: 1fr;
  }
  .skill-grid .skill-item:last-child:nth-child(3n - 2),
  .skill-grid .skill-item:last-child:nth-child(3n - 1) {
    grid-column: 1;
  }
  .skills-tabs { width: 100%; }
  .tab-btn { flex: 1; padding: 9px 8px; font-size: 11px; }
  .skills-legend { flex-direction: column; gap: 10px; }

  .timeline-item { grid-template-columns: 60px 1fr; gap: 16px; }
  .timeline-card { padding: 20px; }
  .timeline-header { flex-direction: column; gap: 8px; }

  .project-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px;
  }
  .project-image { aspect-ratio: 16/9; }

  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  footer { padding: 40px 0 28px; }
  .footer-inner { gap: 24px; }
  .footer-top {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .footer-nav { flex-wrap: wrap; justify-content: center; gap: 16px; }
  .footer-social { justify-content: center; }
}

/* ── HONEYPOT ── */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}