/* =========================================================
   Abdullah Ghani — Portfolio
   Design system: premium dark theme, violet→cyan signature
   No frameworks. Self-contained. GitHub Pages ready.
   ========================================================= */

:root {
  /* palette */
  --bg: #08080c;
  --bg-2: #0c0c13;
  --surface: #101019;
  --surface-2: #16161f;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #ecedf5;
  --text-muted: #9a9ab0;
  --text-faint: #6b6b80;

  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-3: #f4a261;
  --grad: linear-gradient(120deg, #7c5cff 0%, #4f7cff 45%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(124, 92, 255, 0.15), rgba(34, 211, 238, 0.12));

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7);

  --maxw: 1180px;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", var(--font-body);
}

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* wrapping safety net — no long token forces horizontal overflow */
h1, h2, h3, h4, p, li, a, span { overflow-wrap: break-word; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- ambient background ---------- */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.bg-orbs span {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.bg-orbs span:nth-child(1) {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.55), transparent 70%);
  top: -160px; left: -120px;
}
.bg-orbs span:nth-child(2) {
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.4), transparent 70%);
  top: 30%; right: -160px;
}
.bg-orbs span:nth-child(3) {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(79, 124, 255, 0.32), transparent 70%);
  bottom: -120px; left: 40%;
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}

/* ---------- layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

section { padding: 96px 0; position: relative; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.section-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  font-weight: 600;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}
.section-sub {
  color: var(--text-muted);
  max-width: 60ch;
  margin: 6px 0 0;
  flex-basis: 100%;
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8, 8, 12, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 16px rgba(124, 92, 255, 0.8);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s ease;
}
.nav-cta:hover { border-color: var(--accent); background: var(--grad-soft); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--grad);
  color: #07070b;
  box-shadow: 0 12px 34px -12px rgba(124, 92, 255, 0.8);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -12px rgba(34, 211, 238, 0.6); }
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--accent); background: var(--grad-soft); transform: translateY(-2px); }

/* ---------- hero ---------- */
.hero { padding-top: 150px; padding-bottom: 60px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 28px;
}
.hero-eyebrow .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  font-weight: 700;
}
.hero h1 .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text);
  max-width: 46ch;
  margin: 0 0 18px;
}
.hero-sub {
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 36px;
  font-size: 1.02rem;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.icon-links { display: flex; gap: 10px; }
.icon-links a {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.2s ease;
}
.icon-links a:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }
.icon-links svg { width: 20px; height: 20px; }

/* ---------- metrics ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 64px;
}
.metric {
  background: var(--surface);
  padding: 30px 26px;
  transition: background 0.3s ease;
}
.metric:hover { background: var(--surface-2); }
.metric .num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metric .label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 10px;
}

/* ---------- ventures (featured) ---------- */
.ventures { display: grid; gap: 26px; }
.venture {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    var(--grad-soft),
    var(--surface);
  position: relative;
  overflow: hidden;
}
.venture::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 80%) 0%, rgba(124, 92, 255, 0.12), transparent 60%);
  pointer-events: none;
}
.venture:nth-child(even) .venture-media { order: -1; }
.venture-tag {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 600;
}
.venture h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 12px 0 8px;
  letter-spacing: -0.02em;
}
.venture .role { color: var(--text-faint); font-size: 0.92rem; margin-bottom: 16px; }
.venture p { color: var(--text-muted); margin: 0 0 22px; }
.venture-stats { display: flex; gap: 28px; margin-bottom: 26px; flex-wrap: wrap; }
.venture-stats .vs-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}
.venture-stats .vs-lbl { font-size: 0.82rem; color: var(--text-faint); }
.venture-media {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background: var(--grad);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.venture-media .glyph {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  color: rgba(7, 7, 11, 0.9);
  letter-spacing: -0.04em;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- timeline ---------- */
.timeline { position: relative; margin-left: 8px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
}
.tl-item {
  position: relative;
  padding: 0 0 42px 44px;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: 0; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.12);
}
.tl-item.current::before { border-color: var(--accent-2); box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.15); }
.tl-item.founder::before { border-color: var(--accent-3); box-shadow: 0 0 0 4px rgba(244, 162, 97, 0.15); }
.tl-badge.founder-badge { color: var(--accent-3); border-color: rgba(244, 162, 97, 0.4); }
.tl-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: baseline; }
.tl-role { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }
.tl-company { color: var(--accent-2); font-weight: 500; }
.tl-date {
  font-size: 0.82rem;
  color: var(--text-faint);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.tl-badge {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.35);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
}
.tl-desc { color: var(--text-muted); margin: 8px 0 12px; }
.tl-points { display: flex; flex-direction: column; gap: 6px; }
.tl-points li {
  color: var(--text-muted);
  font-size: 0.94rem;
  padding-left: 20px;
  position: relative;
}
.tl-points li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---------- work / projects ---------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: all 0.2s ease;
}
.filter:hover { color: var(--text); border-color: var(--border-strong); }
.filter.active { color: #07070b; background: var(--grad); border-color: transparent; font-weight: 600; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.5s ease;
}
.card:hover .card-media img { transform: scale(1.05); }
.media-fill {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.media-glyph {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: #07070b;
  letter-spacing: -0.02em;
}
.card-cat {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(8, 8, 12, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.card-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body p { color: var(--text-muted); font-size: 0.92rem; margin: 0 0 18px; flex: 1; }
.card-stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.card-stack span { font-size: 0.74rem; color: var(--text-faint); }
.card-stack span::after { content: "·"; margin-left: 6px; color: var(--border-strong); }
.card-stack span:last-child::after { content: ""; }
.card-links { display: flex; gap: 16px; }
.card-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
}
.card-links a:hover { color: var(--accent-2); }
.card-links svg { width: 15px; height: 15px; }

/* ---------- open source ---------- */
.oss-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.oss {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px;
  background: var(--surface);
  transition: all 0.25s ease;
  display: block;
}
.oss:hover { border-color: var(--accent); transform: translateY(-4px); }
.oss-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.oss-name { font-family: var(--font-display); font-weight: 600; display: flex; align-items: center; gap: 8px; }
.oss-name svg { width: 18px; height: 18px; color: var(--text-muted); }
.oss-star { font-size: 0.82rem; color: var(--accent-3); display: inline-flex; align-items: center; gap: 4px; }
.oss-star svg { width: 14px; height: 14px; }
.oss p { color: var(--text-muted); font-size: 0.9rem; margin: 0 0 14px; }
.oss-lang { font-size: 0.78rem; color: var(--text-faint); display: inline-flex; align-items: center; gap: 6px; }
.oss-lang .lang-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }

/* ---------- stack ---------- */
.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stack-col {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  background: var(--surface);
}
.stack-col h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 16px;
}
.stack-col ul { display: flex; flex-direction: column; gap: 9px; }
.stack-col li { color: var(--text-muted); font-size: 0.94rem; }

/* ---------- contact ---------- */
.contact {
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 72px 32px;
  background: var(--grad-soft), var(--surface);
  position: relative;
  overflow: hidden;
}
.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.contact p { color: var(--text-muted); max-width: 52ch; margin: 0 auto 32px; font-size: 1.05rem; }
.contact .hero-actions { justify-content: center; }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-faint);
  font-size: 0.88rem;
}
.footer-inner a { color: var(--text-muted); }
.footer-inner a:hover { color: var(--text); }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .venture { grid-template-columns: 1fr; padding: 30px; }
  .venture:nth-child(even) .venture-media { order: 0; }
  .grid, .oss-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  section { padding: 68px 0; }
  .hero { padding-top: 128px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 24px;
    background: rgba(8, 8, 12, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: block; }
  .grid, .oss-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .tl-date { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}