/* =========================================================================
   Ilham Sulaksono — SRE Portfolio
   Aesthetic: "telemetry / engineered" — signal-lime on deep ink,
   monospace meta-labels as terminal paths, HUD framing, grain + dot-grid.
   ========================================================================= */

/* ----------------------------- Tokens ---------------------------------- */
:root {
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  --maxw: 1160px;
  --gut: clamp(1.25rem, 4vw, 3rem);
  --radius: 16px;
  --radius-sm: 10px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.42s;
}

/* Dark (default) */
:root,
[data-theme="dark"] {
  --bg: #0a0b0e;
  --bg-2: #0e1015;
  --surface: #13151d;
  --surface-2: #181b25;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #ecedf1;
  --text-dim: #a4a8b4;
  --text-faint: #6b6f7c;
  --accent: #ccff33;
  --accent-2: #9fe000;
  --accent-soft: rgba(204, 255, 51, 0.14);
  --accent-glow: rgba(204, 255, 51, 0.45);
  --metric-text: #b6e84a;
  --metric-bg: rgba(204, 255, 51, 0.1);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.85);
  color-scheme: dark;
}

/* Light */
[data-theme="light"] {
  --bg: #f3f1ea;
  --bg-2: #ece9df;
  --surface: #ffffff;
  --surface-2: #f7f5ee;
  --line: rgba(20, 22, 30, 0.1);
  --line-strong: rgba(20, 22, 30, 0.2);
  --text: #15171d;
  --text-dim: #4f525c;
  --text-faint: #8b8e98;
  --accent: #4c6b00;
  --accent-2: #6f9900;
  --accent-soft: rgba(76, 107, 0, 0.1);
  --accent-glow: rgba(76, 107, 0, 0.25);
  --metric-text: #445c00;
  --metric-bg: rgba(76, 107, 0, 0.09);
  --shadow: 0 30px 70px -34px rgba(20, 22, 30, 0.35);
  color-scheme: light;
}

/* ----------------------------- Reset ----------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: clamp(16px, 1.05vw + 0.8rem, 18px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

::selection { background: var(--accent); color: #0a0b0e; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--accent); color: #0a0b0e; padding: 0.6rem 1rem;
  border-radius: 8px; font-weight: 700; font-family: var(--font-mono); font-size: 0.85rem;
}
.skip:focus { left: 8px; }

/* Grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ----------------------------- Buttons --------------------------------- */
.btn {
  --pad: 0.85rem 1.4rem;
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: var(--pad);
  font-family: var(--font-mono); font-size: 0.86rem; font-weight: 500;
  letter-spacing: 0.01em; white-space: nowrap;
  border-radius: 999px; border: 1px solid var(--line-strong);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease),
              color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.3s var(--ease);
}
.btn big { --pad: 1.05rem 1.7rem; font-size: 0.95rem; }
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent); color: #0a0b0e; border-color: var(--accent);
  box-shadow: 0 10px 34px -12px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 16px 40px -10px var(--accent-glow); background: var(--accent-2); border-color: var(--accent-2); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: var(--surface); border-color: var(--line-strong); }
.dot-arrow { color: var(--accent); }

.icon-btn {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; color: var(--text-dim);
  border: 1px solid var(--line); transition: all 0.25s var(--ease);
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

/* Theme icon swap */
.icon-sun { display: none; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* ----------------------------- Nav ------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-rule { height: 1px; background: var(--line); }
.nav.scrolled { background: color-mix(in srgb, var(--bg) 92%, transparent); border-bottom: 1px solid var(--line); }
.nav.scrolled .nav-rule { opacity: 0; }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }
.nav-inner {
  max-width: var(--maxw); margin-inline: auto;
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem var(--gut);
}
.brand {
  font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem;
  display: inline-flex; align-items: center; gap: 0.15rem;
}
.brand-prompt { color: var(--accent); }
.brand-name { color: var(--text); }
.brand-blink {
  width: 9px; height: 1.05em; margin-left: 3px; background: var(--accent);
  display: inline-block; transform: translateY(2px);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links { display: flex; gap: 0.35rem; margin-inline: auto; }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-dim);
  padding: 0.5rem 0.8rem; border-radius: 999px; transition: all 0.22s var(--ease);
}
.nav-links a:hover { color: var(--accent); background: var(--accent-soft); }

.nav-actions { display: flex; align-items: center; gap: 0.55rem; }
.nav-cta { padding: 0.55rem 1rem; font-size: 0.8rem; }
.menu-btn { display: none; flex-direction: column; gap: 5px; }
.menu-btn span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s var(--ease); }

/* ----------------------------- Hero ------------------------------------ */
.hero { position: relative; padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.dot-grid {
  position: absolute; inset: -20px;
  background-image: radial-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.glow-a { width: 520px; height: 520px; background: var(--accent); top: -180px; right: -120px; opacity: 0.16; }
.glow-b { width: 460px; height: 460px; background: #2b6cff; bottom: -220px; left: -140px; opacity: 0.12; }

.hero-grid {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.status {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.02em;
  color: var(--text-dim);
  padding: 0.45rem 0.9rem; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface);
}
.status-dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow); animation: pulse 2.4s var(--ease) infinite;
}
.status-dot.sm { width: 7px; height: 7px; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-name {
  font-family: var(--font-display); font-weight: 800; line-height: 0.92;
  letter-spacing: -0.035em;
  font-size: clamp(3.2rem, 10vw, 7.2rem); margin: 1.1rem 0 0.6rem;
}
.hero-name .accent { color: var(--accent); }

.hero-role {
  font-family: var(--font-mono); font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--text); font-weight: 500; display: flex; align-items: baseline; gap: 0.5rem;
}
.role-hash { color: var(--accent); font-weight: 600; }

.hero-tag {
  max-width: 30ch; margin-top: 1.1rem; font-size: 1.08rem; color: var(--text-dim);
}
.hero-tag .muted { color: var(--text-faint); font-family: var(--font-mono); font-size: 0.86rem; display: block; margin-top: 0.4rem; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.8rem; }
.hero-meta {
  margin-top: 1.6rem; font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--text-dim); display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem;
}
.hero-meta a:hover { color: var(--accent); }
.hero-meta .sep { color: var(--text-faint); }

/* Portrait side */
.hero-side { display: flex; flex-direction: column; align-items: flex-end; gap: 1rem; }
.portrait {
  position: relative; width: min(340px, 80%); aspect-ratio: 4 / 5;
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background: var(--surface);
}
.portrait img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.04) saturate(1.05); transition: transform 0.6s var(--ease); }
.portrait:hover img { transform: scale(1.04); }
.portrait-tag {
  position: absolute; left: 12px; bottom: 12px;
  font-family: var(--font-mono); font-size: 0.72rem; color: #0a0b0e;
  background: var(--accent); padding: 0.35rem 0.7rem; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600;
}
.portrait-tag .status-dot { background: #0a0b0e; animation: none; }

/* HUD corners */
.frame-corners { position: absolute; inset: 10px; pointer-events: none; z-index: 2; }
.frame-corners i {
  position: absolute; width: 18px; height: 18px; border: 2px solid var(--accent);
}
.frame-corners i:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.frame-corners i:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.frame-corners i:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.frame-corners i:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.frame-corners.light { inset: 0; }
.frame-corners.light i { border-color: var(--accent); }

.telemetry {
  font-family: var(--font-mono); font-size: 0.74rem; width: min(340px, 80%);
  border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden;
  background: var(--surface);
}
.tel-row { display: flex; justify-content: space-between; padding: 0.55rem 0.85rem; border-bottom: 1px solid var(--line); }
.tel-row:last-child { border-bottom: 0; }
.tel-row span { color: var(--text-faint); }
.tel-row b { color: var(--text); font-weight: 600; }
.tel-row b.ok { color: var(--accent); }

/* ----------------------------- Metrics --------------------------------- */
.metrics {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden;
}
.metric { background: var(--bg); padding: clamp(1.2rem, 2.5vw, 1.9rem); position: relative; }
.metric::before {
  content: ""; position: absolute; top: 0; left: 0; width: 28px; height: 2px; background: var(--accent);
}
.metric-val {
  font-family: var(--font-display); font-weight: 700; line-height: 1;
  font-size: clamp(2.4rem, 4.5vw, 3.4rem); letter-spacing: -0.03em; color: var(--text);
  display: flex; align-items: baseline;
}
.metric-val .plus, .metric-val .pct, .metric-val .unit { color: var(--accent); }
.metric-label {
  margin-top: 0.6rem; font-family: var(--font-mono); font-size: 0.76rem;
  color: var(--text-faint); line-height: 1.4; letter-spacing: 0.01em;
}

/* ----------------------------- Sections -------------------------------- */
.section { padding: clamp(3.5rem, 8vw, 7rem) 0; position: relative; }
.section-alt { background: var(--bg-2); }
.section-head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.kicker {
  display: inline-block; font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--accent); letter-spacing: 0.04em; margin-bottom: 0.85rem;
}
.section-head h2 {
  font-family: var(--font-display); font-weight: 700; line-height: 1.04;
  letter-spacing: -0.03em; font-size: clamp(1.7rem, 3.6vw, 2.7rem); max-width: 22ch;
}

/* About */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.lead { font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.55; color: var(--text-dim); font-weight: 400; }
.lead strong { color: var(--text); font-weight: 600; }
.lead mark { background: var(--metric-bg); color: var(--metric-text); font-weight: 700; padding: 0.05em 0.35em; border-radius: 5px; }
.about-cards { display: grid; gap: 0.85rem; }
.about-card {
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.2rem;
  background: var(--surface); transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.about-card:hover { border-color: var(--line-strong); transform: translateX(4px); }
.about-k { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); display: block; margin-bottom: 0.35rem; }
.about-card p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.5; }

/* ----------------------------- Timeline -------------------------------- */
.timeline { position: relative; display: grid; gap: 0.5rem; }
.timeline::before {
  content: ""; position: absolute; left: clamp(120px, 22vw, 230px); top: 8px; bottom: 8px;
  width: 1px; background: var(--line-strong);
}
.tl-item {
  display: grid; grid-template-columns: clamp(120px, 22vw, 230px) 28px 1fr;
  align-items: start; padding: clamp(1.1rem, 2vw, 1.7rem) 0;
}
.tl-meta { padding-right: 1.2rem; text-align: right; }
.tl-date { display: block; font-family: var(--font-mono); font-size: 0.76rem; color: var(--accent); }
.tl-co { display: block; font-size: 0.85rem; color: var(--text-dim); margin-top: 0.2rem; }
.tl-node {
  width: 13px; height: 13px; border-radius: 50%; margin: 5px auto 0;
  background: var(--bg); border: 2px solid var(--accent); position: relative; z-index: 2;
  box-shadow: 0 0 0 5px var(--bg);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.tl-item:hover .tl-node { transform: scale(1.35); box-shadow: 0 0 0 5px var(--bg), 0 0 16px var(--accent-glow); }
.tl-body { padding-left: 1.4rem; }
.tl-body h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; letter-spacing: -0.01em; }
.tl-note { color: var(--text-dim); font-size: 0.9rem; margin: 0.3rem 0 0.7rem; }
.tl-note strong { color: var(--metric-text); font-weight: 700; }
.tl-body ul { display: grid; gap: 0.5rem; margin-top: 0.6rem; }
.tl-body li {
  position: relative; padding-left: 1.3rem; color: var(--text-dim); font-size: 0.96rem; line-height: 1.55;
}
.tl-body li::before {
  content: "▹"; position: absolute; left: 0; top: 0; color: var(--accent); font-family: var(--font-mono);
}
.tl-body li strong { color: var(--text); font-weight: 600; }
.tl-body .metric {
  color: var(--metric-text);
  background: var(--metric-bg);
  font-weight: 700;
  padding: 0.04em 0.4em;
  margin: 0 0.04em;
  border-radius: 6px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* ----------------------------- Skills ---------------------------------- */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.skill-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.3rem, 2.5vw, 1.9rem);
  background: var(--surface); transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-4px); background: var(--surface-2); }
.skill-k {
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-faint);
  text-transform: lowercase; display: block; margin-bottom: 1rem; letter-spacing: 0.02em;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.tag {
  font-family: var(--font-mono); font-size: 0.86rem; color: var(--text);
  padding: 0.45rem 0.85rem; border: 1px solid var(--line-strong); border-radius: 999px;
  background: var(--bg); transition: all 0.25s var(--ease);
}
.tag:hover { color: #0a0b0e; background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

/* Marquee */
.marquee {
  margin-top: 2.5rem; overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: inline-flex; gap: 1.5rem; padding: 0.9rem 0; white-space: nowrap;
  font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--text-faint); animation: scroll-x 34s linear infinite;
}
.marquee-track span:nth-child(even) { color: var(--accent); }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ----------------------------- Two-col (certs/edu) --------------------- */
.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.certs { display: grid; gap: 0.75rem; }
.certs li {
  display: flex; align-items: center; gap: 1.1rem;
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.2rem;
  background: var(--surface); transition: all 0.25s var(--ease);
}
.certs li:hover { border-color: var(--line-strong); transform: translateX(4px); }
.cert-badge {
  font-family: var(--font-mono); font-weight: 600; font-size: 0.78rem; color: #0a0b0e;
  background: var(--accent); min-width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center; text-align: center; flex-shrink: 0;
}
.cert-badge.sm { font-size: 0.95rem; }
.certs strong { display: block; font-weight: 600; font-size: 1.02rem; }
.certs span { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-faint); }

.edu {
  display: flex; gap: 1.1rem; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; background: var(--surface);
}
.edu-cap { font-size: 2.2rem; line-height: 1; }
.edu strong { display: block; font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }
.edu-school { display: block; color: var(--text-dim); margin-top: 0.15rem; }
.edu-date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); display: block; margin-top: 0.4rem; }

/* ----------------------------- Contact --------------------------------- */
.contact { padding-top: clamp(3rem, 6vw, 5rem); }
.contact-card {
  position: relative; text-align: center; padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line); border-radius: clamp(20px, 3vw, 28px);
  background: var(--surface); box-shadow: var(--shadow); overflow: hidden;
}
.contact-card .kicker { margin-bottom: 1rem; }
.contact-card h2 {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.05;
  font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 1.8rem;
}
.contact-card h2 em { font-style: normal; color: var(--accent); }
.contact-cta { margin-bottom: 1.8rem; }
.contact-links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.4rem;
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-dim);
}
.contact-links a:hover { color: var(--accent); }
.sign { text-align: center; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); margin-top: 2rem; }

/* ----------------------------- Footer ---------------------------------- */
.footer { border-top: 1px solid var(--line); padding: 1.8rem 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; }
.footer, .footer-built { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); }
.footer-built a:hover { color: var(--accent); }

/* ----------------------------- Reveal anim ----------------------------- */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--d, 0) * 0.08s);
}
.reveal.in { opacity: 1; transform: none; }

/* ----------------------------- Responsive ------------------------------ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { order: -1; align-items: center; margin-bottom: 0.5rem; }
  .portrait { width: min(260px, 70%); }
  .telemetry { width: min(260px, 70%); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed; inset: 0 0 0 auto; width: min(82vw, 340px);
    flex-direction: column; gap: 0.2rem; padding: 6rem 2rem 2rem;
    background: var(--bg-2); border-left: 1px solid var(--line);
    transform: translateX(100%); transition: transform 0.4s var(--ease);
    margin: 0; align-items: flex-start;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.05rem; padding: 0.7rem 0; width: 100%; }
  .menu-btn { display: flex; }
  .menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn.open span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }
  .nav-cta { display: none; }

  .timeline::before { left: 7px; }
  .tl-item { grid-template-columns: 24px 1fr; padding-left: 0; }
  .tl-meta { grid-column: 2; text-align: left; padding-right: 0; padding-left: 1.4rem; margin-bottom: 0.2rem; }
  .tl-node { grid-column: 1; order: -1; }
  .tl-body { grid-column: 2; padding-left: 1.4rem; }
}

@media (max-width: 480px) {
  .metrics { grid-template-columns: 1fr; }
  .brand-name { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important; scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}