/* ════════════════════════════════════════════════════════
   LINEAGE — Animated Timeline · style.css
   Aesthetic: Cosmic editorial · deep space dark · precise
   Palette: Near-black #080a0e + electric teal #00e5c3
   Fonts: Playfair Display (italic serif) + Sora + JetBrains Mono
   2026 Standard · 100 Days 100 Projects
   ════════════════════════════════════════════════════════ */

/* ── 1. Custom Properties ── */
:root {
  --bg: #080a0e;
  --bg2: #0e1116;
  --bg3: #141820;
  --bg4: #1c2028;

  --sur: rgba(255, 255, 255, 0.04);
  --sur-h: rgba(255, 255, 255, 0.07);
  --bdr: rgba(255, 255, 255, 0.07);
  --bdr-s: rgba(255, 255, 255, 0.13);

  --t1: #eef0f5;
  --t2: #7c8494;
  --t3: #3c4250;

  --accent: #00e5c3;
  --accent-d: rgba(0, 229, 195, 0.1);
  --accent-r: 0, 229, 195;

  /* category colors */
  --cat-milestone: #00e5c3;
  --cat-project: #818cf8;
  --cat-learning: #f59e0b;
  --cat-launch: #f43f5e;

  --font: "Sora", sans-serif;
  --serif: "Playfair Display", serif;
  --mono: "JetBrains Mono", monospace;

  --r-sm: 6px;
  --r: 12px;
  --r-lg: 18px;
  --r-xl: 24px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --fast: 110ms;
  --med: 220ms;
  --slow: 450ms;

  /* Timeline geometry */
  --tl-line-x: 48px; /* left variant: line x from wrapper left */
  --tl-dot-size: 18px;
  --tl-card-ml: 88px; /* left variant: card margin-left */
}

[data-theme="light"] {
  --bg: #f0f2f7;
  --bg2: #e6e9f0;
  --bg3: #dde1ea;
  --bg4: #d3d8e4;
  --sur: rgba(0, 0, 0, 0.04);
  --sur-h: rgba(0, 0, 0, 0.07);
  --bdr: rgba(0, 0, 0, 0.08);
  --bdr-s: rgba(0, 0, 0, 0.15);
  --t1: #111520;
  --t2: #555d70;
  --t3: #aab0be;
  --accent: #007a68;
  --accent-d: rgba(0, 122, 104, 0.1);
  --accent-r: 0, 122, 104;
  --cat-milestone: #007a68;
  --cat-project: #4f46e5;
  --cat-learning: #b45309;
  --cat-launch: #e11d48;
}

/* ── 2. Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--t1);
  font-family: var(--font);
  font-size: 14px;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ── 3. Background ── */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}
[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
}
.noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  background-size: 128px;
}
.glow {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  animation: gDrift 20s ease-in-out infinite alternate;
}
.g1 {
  width: 550px;
  height: 550px;
  top: -180px;
  left: -80px;
  background: radial-gradient(
    circle,
    rgba(var(--accent-r), 0.07),
    transparent 70%
  );
}
.g2 {
  width: 420px;
  height: 420px;
  bottom: 0;
  right: -100px;
  background: radial-gradient(
    circle,
    rgba(129, 140, 248, 0.05),
    transparent 70%
  );
  animation-delay: -8s;
  animation-duration: 24s;
}
.g3 {
  width: 320px;
  height: 320px;
  top: 40%;
  left: 45%;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.04), transparent 70%);
  animation-delay: -14s;
  animation-duration: 16s;
}
@keyframes gDrift {
  from {
    transform: translate(0, 0) scale(1);
  }
  to {
    transform: translate(40px, 28px) scale(1.1);
  }
}

/* ── 4. App Shell ── */
.app-shell {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ── 5. Header ── */
.site-header {
  display: flex;
  align-items: center;
  padding: 20px 0 14px;
  border-bottom: 1px solid var(--bdr);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}
.logo-sym {
  font-size: 22px;
  color: var(--accent);
  display: inline-block;
  animation: symPulse 3s ease-in-out infinite;
}
@keyframes symPulse {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
  50% {
    transform: scale(0.8) rotate(180deg);
    opacity: 0.4;
  }
}
.logo-name {
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.2em;
}
.logo-pill {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  background: var(--accent-d);
  border: 1px solid rgba(var(--accent-r), 0.2);
  color: var(--accent);
  padding: 2px 9px;
  border-radius: 99px;
  text-transform: uppercase;
}
.hdr-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.hdr-socials {
  display: flex;
  gap: 5px;
}
.soc {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t2);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--fast) ease;
}
.soc:hover {
  background: var(--sur-h);
  border-color: var(--bdr-s);
  color: var(--accent);
  transform: translateY(-2px);
}
.soc.linktree:hover {
  color: #43e55e;
  border-color: rgba(67, 229, 94, 0.3);
}
.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t2);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--fast) ease;
}
.icon-btn:hover {
  background: var(--sur-h);
  border-color: var(--bdr-s);
  color: var(--t1);
}

/* ── 6. Hero ── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 36px 0 8px;
  text-align: center;
  animation: fadeUp 0.7s var(--ease-out) both;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-d);
  border: 1px solid rgba(var(--accent-r), 0.2);
  border-radius: 99px;
  padding: 4px 15px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: dot-pulse 1.6s ease-in-out infinite;
}
@keyframes dot-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.2;
    transform: scale(0.5);
  }
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}
.hero-title em {
  color: var(--accent);
  font-style: italic;
}
.hero-sub {
  font-size: 15px;
  color: var(--t2);
  font-weight: 300;
  max-width: 480px;
  line-height: 1.65;
}

/* ── 7. Controls Bar ── */
.controls-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  background: var(--sur);
  border: 1px solid var(--bdr);
  border-radius: var(--r-lg);
  padding: 14px 20px;
  animation: fadeUp 0.7s var(--ease-out) 0.1s both;
}
.ctrl-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.ctrl-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t3);
  white-space: nowrap;
}
.ctrl-actions {
  margin-left: auto;
}
.pill-row {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.vpill,
.fpill {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 99px;
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t2);
  cursor: pointer;
  transition: all var(--fast) ease;
  white-space: nowrap;
}
.vpill:hover,
.fpill:hover {
  background: var(--sur-h);
  border-color: var(--bdr-s);
  color: var(--t1);
}
.vpill.active,
.fpill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 700;
}

.act-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t2);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all var(--fast) ease;
  white-space: nowrap;
}
.act-btn:hover {
  background: var(--sur-h);
  border-color: var(--bdr-s);
  color: var(--t1);
  transform: translateY(-1px);
}
.act-btn:active {
  transform: scale(0.97);
}
.act-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 700;
}
.act-btn.primary:hover {
  filter: brightness(1.1);
  color: #000;
}

/* ── 8. Timeline Wrapper ── */
.tl-wrapper {
  position: relative;
  min-height: 400px;
  animation: fadeUp 0.7s var(--ease-out) 0.15s both;
}

/* ── 9. Timeline Line ── */
.tl-line-track {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--tl-line-x);
  width: 2px;
  background: var(--bdr-s);
  border-radius: 99px;
  z-index: 0;
  transition: left var(--slow) var(--ease-out);
}
.tl-line-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(
    to bottom,
    var(--accent),
    rgba(var(--accent-r), 0.3)
  );
  border-radius: 99px;
  transition: height 0.1s linear;
  position: relative;
}
.tl-line-fill::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

/* ── 10. Timeline Items Container ── */
.tl-items {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-bottom: 40px;
}

/* Horizontal override */
.tl-wrapper.horizontal .tl-line-track {
  top: var(--tl-line-x);
  bottom: auto;
  left: 0;
  right: 0;
  width: 100%;
  height: 2px;
}
.tl-wrapper.horizontal .tl-line-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(
    to right,
    var(--accent),
    rgba(var(--accent-r), 0.3)
  );
  transition: width 0.1s linear;
}
.tl-wrapper.horizontal .tl-line-fill::after {
  bottom: auto;
  right: -6px;
  left: auto;
  top: 50%;
  transform: translateY(-50%);
}
.tl-wrapper.horizontal .tl-items {
  flex-direction: row;
  overflow-x: auto;
  overflow-y: visible;
  padding-top: 80px;
  padding-bottom: 0;
  gap: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--bdr-s) transparent;
}

/* ── 11. Timeline Item ── */
.tl-item {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding: 0 0 40px 0;
  /* entrance animation */
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--slow) var(--ease-out),
    transform var(--slow) var(--ease-out);
}
.tl-item.revealed {
  opacity: 1;
  transform: translateY(0);
}
.tl-item.hidden-cat {
  opacity: 0 !important;
  height: 0;
  overflow: hidden;
  padding: 0;
  pointer-events: none;
}

/* ── 12. Dot (the circle on the line) ── */
.tl-dot {
  position: absolute;
  left: calc(var(--tl-line-x) - var(--tl-dot-size) / 2);
  top: 6px;
  width: var(--tl-dot-size);
  height: var(--tl-dot-size);
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg);
  z-index: 2;
  cursor: pointer;
  transition:
    transform var(--fast) var(--ease-spring),
    box-shadow var(--fast) ease,
    background var(--fast) ease,
    border-color var(--fast) ease;
}
.tl-dot::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent);
  transform: scale(0);
  transition: transform var(--med) var(--ease-spring);
}
.tl-item.revealed .tl-dot::before {
  transform: scale(1);
}
.tl-dot:hover {
  transform: scale(1.35);
  box-shadow:
    0 0 0 6px rgba(var(--accent-r), 0.15),
    0 0 20px rgba(var(--accent-r), 0.4);
}

/* Category dot colors */
.tl-item[data-cat="milestone"] .tl-dot {
  border-color: var(--cat-milestone);
}
.tl-item[data-cat="milestone"] .tl-dot::before {
  background: var(--cat-milestone);
}
.tl-item[data-cat="project"] .tl-dot {
  border-color: var(--cat-project);
}
.tl-item[data-cat="project"] .tl-dot::before {
  background: var(--cat-project);
}
.tl-item[data-cat="learning"] .tl-dot {
  border-color: var(--cat-learning);
}
.tl-item[data-cat="learning"] .tl-dot::before {
  background: var(--cat-learning);
}
.tl-item[data-cat="launch"] .tl-dot {
  border-color: var(--cat-launch);
}
.tl-item[data-cat="launch"] .tl-dot::before {
  background: var(--cat-launch);
}

/* Connector line from dot to card */
.tl-connector {
  position: absolute;
  left: var(--tl-line-x);
  top: calc(6px + var(--tl-dot-size) / 2);
  height: 1px;
  width: 26px;
  background: linear-gradient(90deg, var(--accent), transparent);
  z-index: 1;
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform var(--med) var(--ease-out) 0.2s;
}
.tl-item.revealed .tl-connector {
  transform: scaleX(1);
}

/* ── 13. Timeline Card ── */
.tl-card {
  margin-left: var(--tl-card-ml);
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--bdr);
  border-radius: var(--r-lg);
  padding: 20px 22px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--med) ease,
    transform var(--med) var(--ease-spring),
    box-shadow var(--med) ease;
}
.tl-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 0% 0%,
    rgba(var(--accent-r), 0.05),
    transparent 60%
  );
  pointer-events: none;
}
.tl-card:hover {
  border-color: rgba(var(--accent-r), 0.3);
  transform: translateX(6px);
  box-shadow:
    -4px 0 0 0 var(--accent),
    0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Left accent bar on card */
.tl-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 99px 0 0 99px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform var(--med) var(--ease-spring) 0.1s;
  transform-origin: bottom;
}
.tl-item[data-cat="milestone"] .tl-card::after {
  background: var(--cat-milestone);
}
.tl-item[data-cat="project"] .tl-card::after {
  background: var(--cat-project);
}
.tl-item[data-cat="learning"] .tl-card::after {
  background: var(--cat-learning);
}
.tl-item[data-cat="launch"] .tl-card::after {
  background: var(--cat-launch);
}
.tl-item.revealed .tl-card::after {
  transform: scaleY(1);
}

/* ── 14. Card Content ── */
.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-date {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.card-cat {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid;
}
.tl-item[data-cat="milestone"] .card-cat {
  color: var(--cat-milestone);
  border-color: rgba(0, 229, 195, 0.25);
  background: rgba(0, 229, 195, 0.07);
}
.tl-item[data-cat="project"] .card-cat {
  color: var(--cat-project);
  border-color: rgba(129, 140, 248, 0.25);
  background: rgba(129, 140, 248, 0.07);
}
.tl-item[data-cat="learning"] .card-cat {
  color: var(--cat-learning);
  border-color: rgba(245, 158, 11, 0.25);
  background: rgba(245, 158, 11, 0.07);
}
.tl-item[data-cat="launch"] .card-cat {
  color: var(--cat-launch);
  border-color: rgba(244, 63, 94, 0.25);
  background: rgba(244, 63, 94, 0.07);
}

.card-expand-btn {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t3);
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--fast) ease;
}
.card-expand-btn:hover {
  background: var(--sur-h);
  color: var(--t1);
}
.tl-card.expanded .card-expand-btn {
  background: var(--accent-d);
  border-color: rgba(var(--accent-r), 0.25);
  color: var(--accent);
  transform: rotate(180deg);
}

.card-title {
  font-family: var(--serif);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.card-sub {
  font-size: 13px;
  color: var(--t2);
  line-height: 1.65;
}

/* Expandable body */
.card-body {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height var(--slow) var(--ease-out),
    opacity var(--med) ease;
  opacity: 0;
}
.tl-card.expanded .card-body {
  max-height: 400px;
  opacity: 1;
}

.card-body-inner {
  padding-top: 14px;
  border-top: 1px solid var(--bdr);
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-detail {
  font-size: 13px;
  color: var(--t2);
  line-height: 1.7;
}

/* Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.card-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t2);
  padding: 3px 10px;
  border-radius: 99px;
  transition: all var(--fast) ease;
}
.card-tag:hover {
  background: var(--accent-d);
  border-color: rgba(var(--accent-r), 0.25);
  color: var(--accent);
}

/* Card link */
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) ease;
}
.card-link:hover {
  border-bottom-color: var(--accent);
}

/* ── 15. Milestone special styling ── */
.tl-item[data-cat="milestone"] .tl-card {
  background: linear-gradient(135deg, var(--bg2), var(--bg3));
}
.tl-item[data-cat="milestone"] .card-title {
  font-size: clamp(17px, 2.5vw, 21px);
}

/* ── 16. Year Divider ── */
.tl-year-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 0 20px;
}
.tl-year-divider .year-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  margin-left: var(--tl-card-ml);
}
.tl-year-divider .year-line {
  flex: 1;
  height: 1px;
  background: var(--bdr);
}

/* ── 17. CENTER VARIANT ── */
.tl-wrapper.center .tl-line-track {
  left: 50%;
  transform: translateX(-50%);
}
.tl-wrapper.center .tl-item {
  flex-direction: row;
}
/* Odd items: card on left */
.tl-wrapper.center .tl-item:nth-child(odd) {
  flex-direction: row-reverse;
}
.tl-wrapper.center .tl-item .tl-dot {
  left: 50%;
  transform: translateX(-50%);
  position: absolute;
}
.tl-wrapper.center .tl-item .tl-connector {
  display: none;
}
.tl-wrapper.center .tl-item .tl-card {
  margin-left: 0;
  width: calc(50% - 36px);
}
.tl-wrapper.center .tl-item:nth-child(odd) .tl-card {
  margin-right: 0;
  margin-left: auto;
  transform-origin: right center;
}
.tl-wrapper.center .tl-item:nth-child(even) .tl-card {
  margin-left: calc(50% + 36px);
}
.tl-wrapper.center .tl-item:nth-child(odd) .tl-card:hover {
  transform: translateX(-6px);
}
.tl-wrapper.center .tl-item:nth-child(even) .tl-card:hover {
  transform: translateX(6px);
}

/* ── 18. RIGHT VARIANT ── */
.tl-wrapper.right .tl-line-track {
  left: auto;
  right: 48px;
}
.tl-wrapper.right .tl-item {
  flex-direction: row-reverse;
}
.tl-wrapper.right .tl-dot {
  left: auto;
  right: calc(var(--tl-line-x) - var(--tl-dot-size) / 2);
}
.tl-wrapper.right .tl-connector {
  left: auto;
  right: var(--tl-line-x);
  background: linear-gradient(270deg, var(--accent), transparent);
}
.tl-wrapper.right .tl-card {
  margin-left: 0;
  margin-right: var(--tl-card-ml);
}
.tl-wrapper.right .tl-card:hover {
  transform: translateX(-6px);
  box-shadow:
    4px 0 0 0 var(--accent),
    0 8px 32px rgba(0, 0, 0, 0.2);
}
.tl-wrapper.right .tl-card::after {
  left: auto;
  right: 0;
  border-radius: 0 99px 99px 0;
}

/* ── 19. HORIZONTAL VARIANT ── */
.tl-wrapper.horizontal .tl-item {
  flex-direction: column;
  min-width: 260px;
  max-width: 300px;
  flex-shrink: 0;
  padding: 0 16px 0 0;
  padding-bottom: 0;
}
.tl-wrapper.horizontal .tl-dot {
  left: 8px;
  top: calc(-1 * var(--tl-line-x) - var(--tl-dot-size) / 2 + 2px);
  position: absolute;
}
.tl-wrapper.horizontal .tl-connector {
  display: none;
}
.tl-wrapper.horizontal .tl-card {
  margin-left: 0;
  margin-top: 16px;
  width: 100%;
}
.tl-wrapper.horizontal .tl-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 -4px 0 0 var(--accent),
    0 12px 32px rgba(0, 0, 0, 0.2);
}
.tl-wrapper.horizontal .tl-card::after {
  left: 0;
  right: 0;
  top: 0;
  bottom: auto;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transition: transform var(--med) var(--ease-spring) 0.1s;
  transform-origin: left;
  border-radius: 0;
}
.tl-wrapper.horizontal .tl-item.revealed .tl-card::after {
  transform: scaleX(1);
}
.tl-wrapper.horizontal .tl-year-divider {
  display: none;
}

/* ── 20. Stats Bar ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--sur);
  border: 1px solid var(--bdr);
  border-radius: var(--r-xl);
  padding: 20px 32px;
  animation: fadeUp 0.7s var(--ease-out) 0.3s both;
}
.sstat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.sstat-sep {
  width: 1px;
  height: 36px;
  background: var(--bdr-s);
  margin: 0 8px;
}
.sstat-n {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  transition: transform var(--fast) var(--ease-spring);
}
.sstat-n:hover {
  transform: scale(1.15);
}
.sstat-l {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--t3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── 21. Footer ── */
.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--bdr);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t3);
  flex-wrap: wrap;
}
.ft-dot {
  color: var(--accent);
}
.ft-links {
  display: flex;
  gap: 12px;
}
.ft-link {
  color: var(--t3);
  text-decoration: none;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  transition:
    color var(--fast) ease,
    border-color var(--fast) ease;
}
.ft-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── 22. Utility ── */
.mono {
  font-family: var(--mono) !important;
}
@keyframes fadeUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--bdr-s);
  border-radius: 99px;
}
::selection {
  background: rgba(var(--accent-r), 0.2);
  color: var(--t1);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ── 23. RESPONSIVE ── */
@media (min-width: 1280px) {
  .app-shell {
    padding: 0 40px 80px;
  }
}

@media (max-width: 768px) {
  .app-shell {
    padding: 0 18px 56px;
    gap: 22px;
  }
  .site-header {
    flex-wrap: wrap;
    gap: 10px;
  }
  .logo {
    flex: unset;
  }
  .hdr-right {
    margin-left: auto;
  }
  .controls-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .ctrl-actions {
    margin-left: 0;
  }
  /* Force left layout on mobile (center/right too complex) */
  .tl-wrapper.center .tl-item,
  .tl-wrapper.right .tl-item {
    flex-direction: row;
  }
  .tl-wrapper.center .tl-line-track,
  .tl-wrapper.right .tl-line-track {
    left: var(--tl-line-x);
    right: auto;
    transform: none;
  }
  .tl-wrapper.center .tl-item .tl-dot,
  .tl-wrapper.right .tl-dot {
    left: calc(var(--tl-line-x) - var(--tl-dot-size) / 2);
    right: auto;
  }
  .tl-wrapper.center .tl-item .tl-card,
  .tl-wrapper.right .tl-card {
    margin-left: var(--tl-card-ml);
    margin-right: 0;
    width: auto;
  }
  .tl-wrapper.horizontal .tl-items {
    padding-top: 60px;
  }
  .stats-bar {
    flex-wrap: wrap;
    padding: 16px 20px;
  }
}

@media (max-width: 640px) {
  :root {
    --tl-line-x: 36px;
    --tl-card-ml: 68px;
  }
  .app-shell {
    padding: 0 14px 48px;
  }
  .hero-title {
    font-size: clamp(30px, 8vw, 52px);
  }
  .tl-card {
    padding: 15px 16px;
  }
  .card-title {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  :root {
    --tl-line-x: 28px;
    --tl-card-ml: 54px;
    --tl-dot-size: 14px;
  }
  .app-shell {
    padding: 0 12px 40px;
  }
  .logo-pill {
    display: none;
  }
  .hero-title {
    font-size: 28px;
  }
  .sstat-n {
    font-size: 22px;
  }
  .vpill,
  .fpill {
    font-size: 11px;
    padding: 4px 10px;
  }
}

@media (max-width: 360px) {
  .app-shell {
    padding: 0 10px 36px;
  }
  .hdr-socials {
    gap: 3px;
  }
  .soc {
    width: 28px;
    height: 28px;
  }
  .hero-title {
    font-size: 24px;
  }
}

@media (hover: none) and (pointer: coarse) {
  .tl-card:hover {
    transform: none;
    box-shadow: none;
  }
  .soc:hover {
    transform: none;
  }
  .soc,
  .icon-btn {
    width: 38px;
    height: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .glow,
  .logo-sym,
  .badge-dot {
    animation: none;
  }
  .tl-item {
    opacity: 1;
    transform: none;
  }
  .tl-dot::before {
    transform: scale(1);
  }
  .tl-card::after {
    transform: scaleY(1);
  }
  .tl-connector {
    transform: scaleX(1);
  }
}