/* ---------- Tokens ---------- */
:root {
  --bg: #f7f8fa;
  --bg-alt: #eef1f5;
  --surface: #ffffff;
  --border: #e2e6ec;
  --text: #0f1720;
  --muted: #5b6573;
  --accent: #0d9488;
  --accent-ink: #ffffff;
  --accent-soft: rgba(13, 148, 136, .1);
  --ok: #059669;
  --warn: #d97706;
  --term-bg: #0d1117;
  --term-text: #c9d1d9;
  --shadow: 0 1px 2px rgba(15, 23, 32, .04), 0 8px 24px rgba(15, 23, 32, .06);
  --radius: 16px;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0e13;
    --bg-alt: #0f131a;
    --surface: #131821;
    --border: #222a36;
    --text: #e6eaf0;
    --muted: #8d97a6;
    --accent: #5eead4;
    --accent-ink: #062320;
    --accent-soft: rgba(94, 234, 212, .1);
    --ok: #34d399;
    --warn: #fbbf24;
    --term-bg: #080a0e;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0e13;
  --bg-alt: #0f131a;
  --surface: #131821;
  --border: #222a36;
  --text: #e6eaf0;
  --muted: #8d97a6;
  --accent: #5eead4;
  --accent-ink: #062320;
  --accent-soft: rgba(94, 234, 212, .1);
  --ok: #34d399;
  --warn: #fbbf24;
  --term-bg: #080a0e;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
code { font-family: var(--font-mono); font-size: .88em; background: var(--accent-soft); padding: .1em .35em; border-radius: 6px; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; }
.brand-mark {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: var(--text); color: var(--bg); font: 700 14px var(--font-mono);
}
.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: block; padding: 6px 12px; border-radius: 8px; text-decoration: none;
  color: var(--muted); font-size: 14.5px; font-weight: 500; transition: color .15s, background .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--accent-soft); }
.theme-toggle {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer;
}
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.theme-toggle .i-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .i-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .i-moon { display: block; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; transition: transform .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, var(--text)); }
.btn-ghost { border-color: var(--border); background: var(--surface); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-small { padding: 8px 14px; font-size: 14px; border-color: var(--border); background: var(--surface); }
.btn-small:hover { border-color: var(--accent); }
.btn svg { width: 16px; height: 16px; fill: currentColor; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.cta.center { justify-content: center; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 96px 0 88px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 720px; height: 720px;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 70% at 70% 30%, #000 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 70% 30%, #000 10%, transparent 70%);
  opacity: .5; pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 500; color: var(--muted);
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); }
.hero h1 { font-size: clamp(40px, 6vw, 68px); margin: 22px 0 20px; font-weight: 700; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 18px; color: var(--muted); max-width: 60ch; margin-bottom: 28px; }
.lede strong { color: var(--text); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 28px 0 0; font-size: 14px; color: var(--muted); }
.hero-meta li::before { content: "▹ "; color: var(--accent); }

/* Terminal */
.terminal {
  background: var(--term-bg); border-radius: var(--radius); border: 1px solid #1f2733;
  box-shadow: var(--shadow), 0 30px 60px -20px rgba(0, 0, 0, .35); overflow: hidden; min-width: 0;
}
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid #1c232e; }
.term-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3a4350; }
.term-bar span:nth-child(1) { background: #ff5f57; }
.term-bar span:nth-child(2) { background: #febc2e; }
.term-bar span:nth-child(3) { background: #28c840; }
.term-bar p { margin: 0 0 0 auto; font: 12px var(--font-mono); color: #6e7681; }
.term-body {
  margin: 0; padding: 18px 20px 22px; color: var(--term-text);
  font: 13px/1.75 var(--font-mono); overflow-x: auto; white-space: pre;
}
.term-body code { background: none; padding: 0; font-size: inherit; }
.term-body .p { color: #5eead4; }
.term-body .m { color: #79c0ff; }
.term-body .d { color: #6e7681; }
.term-body .k { color: #ff7b72; }
.term-body .s { color: #a5d6ff; }
.term-body .ok { color: #3fb950; font-weight: 500; }
.term-body .warn { color: #f0b72f; font-weight: 500; }
.cursor { display: inline-block; width: 8px; height: 15px; margin-left: 4px; background: #5eead4; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Sections ---------- */
.section { padding: 104px 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-head { margin-bottom: 44px; }
.kicker { font: 500 13px var(--font-mono); color: var(--accent); letter-spacing: .02em; margin-bottom: 10px; }
.section h2 { font-size: clamp(30px, 4vw, 42px); font-weight: 700; }
.section-sub { color: var(--muted); margin-top: 12px; max-width: 60ch; }

.pill {
  display: inline-block; font: 500 12px var(--font-mono); padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); background: var(--surface);
}
.pill-accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); background: var(--accent-soft); }
.tag-line { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

/* Feature (VEMR) */
.feature {
  background: var(--surface); border: 1px solid var(--border); border-radius: 22px;
  padding: 40px; box-shadow: var(--shadow); margin-bottom: 24px; position: relative; overflow: hidden;
}
.feature::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
}
.feature-top { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 30px; }
.feature h3 { font-size: clamp(24px, 3vw, 32px); }
.feature-sub { color: var(--muted); margin: 10px 0 0; font-size: 17px; }
.feature-body { display: grid; grid-template-columns: 1.35fr 1fr; gap: 44px; }
.feature-text h4 { font-size: 13px; font-family: var(--font-mono); font-weight: 500; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
.feature-text p { color: color-mix(in srgb, var(--text) 85%, var(--muted)); }
.feature-text p + h4 { margin-top: 22px; }

.pipeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; align-self: start; }
.pipeline li:not(.fork) {
  display: flex; align-items: center; gap: 14px; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--bg); position: relative;
}
.pipeline li:not(.fork):not(:nth-last-child(2))::after {
  content: ""; position: absolute; left: 30px; bottom: -11px; width: 2px; height: 10px; background: var(--border);
}
.step {
  flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent-soft); color: var(--accent); font: 600 13px var(--font-mono);
}
.pipeline b { display: block; font-size: 15px; }
.pipeline small { color: var(--muted); font-size: 13px; }
.fork { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }
.out { text-align: center; padding: 10px; border-radius: 10px; font: 500 13px var(--font-mono); }
.out.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.out.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 36px 0 0;
  background: var(--border); border: 1px solid var(--border); border-radius: 14px; overflow: hidden;
}
.stats > div { background: var(--surface); padding: 20px 20px 18px; }
.stats dt { font: 700 26px var(--font-head); color: var(--accent); letter-spacing: -.02em; }
.stats dd { margin: 6px 0 0; font-size: 13.5px; color: var(--muted); line-height: 1.5; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.shot { margin: -28px -28px 22px; border-bottom: 1px solid var(--border); background: #05070a; border-radius: var(--radius) var(--radius) 0 0; overflow: hidden; }
.shot img { width: 100%; height: auto; aspect-ratio: 16 / 8; object-fit: cover; object-position: top left; }
.card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: var(--shadow); }
.card h3 { font-size: 21px; margin-bottom: 12px; }
.card > p { color: var(--muted); font-size: 15px; }
.card .note { font-size: 13.5px; border-left: 2px solid var(--accent); padding-left: 12px; }
.card .note em { color: var(--text); font-style: normal; }
.tags { font: 12.5px var(--font-mono); color: var(--muted); margin-top: auto; padding-top: 12px; }
.card .tags { color: color-mix(in srgb, var(--muted) 80%, var(--text)); }
.more { margin-top: 10px; font-weight: 600; font-size: 14.5px; color: var(--accent); text-decoration: none; }
.more:hover { text-decoration: underline; text-underline-offset: 3px; }

.mini-flow { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin: 4px 0 16px; font: 12px var(--font-mono); }
.mini-flow span { padding: 4px 8px; border-radius: 6px; background: var(--bg); border: 1px solid var(--border); color: var(--muted); }
.mini-flow span.hl { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); background: var(--accent-soft); }
.mini-flow i { width: 14px; height: 1px; background: var(--muted); position: relative; }
.mini-flow i::after { content: ""; position: absolute; right: -1px; top: -3px; border: 3.5px solid transparent; border-left-color: var(--muted); border-right: 0; }

.bgp { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; margin: 4px 0 16px; }
.rtr { display: flex; flex-direction: column; align-items: center; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); }
.rtr b { font: 600 15px var(--font-mono); }
.rtr small { font: 11.5px var(--font-mono); color: var(--muted); }
.bgp .link { position: relative; height: 2px; background: repeating-linear-gradient(90deg, var(--accent) 0 6px, transparent 6px 10px); }
.bgp .link span { position: absolute; left: 50%; top: -22px; transform: translateX(-50%); font: 500 11.5px var(--font-mono); color: var(--accent); }

/* ---------- Skills ---------- */
.skills { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.skill-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.skill { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.skill-head { display: flex; justify-content: space-between; align-items: baseline; font: 600 17px var(--font-head); }
.lvl { font: 500 13px var(--font-mono); color: var(--accent); }
.meter { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; margin: 12px 0 12px; }
.meter i { height: 6px; border-radius: 3px; background: var(--border); }
.skill[data-level="1"] .meter i:nth-child(-n + 1),
.skill[data-level="2"] .meter i:nth-child(-n + 2),
.skill[data-level="3"] .meter i:nth-child(-n + 3),
.skill[data-level="4"] .meter i:nth-child(-n + 4),
.skill[data-level="5"] .meter i { background: var(--accent); }
.skill p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.5; }

.ai-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.ai-card h3 { font-size: 20px; margin-bottom: 18px; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 30px; color: var(--muted); font-size: 15px; }
.checks li b { color: var(--text); font-weight: 600; }
.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; border-radius: 6px;
  display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--accent); background: var(--accent-soft);
}

.toolbox { margin-top: 40px; }
.toolbox h3 { font: 500 13px var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.toolbox ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.toolbox li { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); font-size: 14px; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.photo { margin: 0; position: relative; }
.photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; height: auto; object-position: 62% 45%; border-radius: 22px; border: 1px solid var(--border); }
.photo figcaption { margin-top: 12px; font: 12.5px var(--font-mono); color: var(--muted); }
.photo::after {
  content: ""; position: absolute; inset: 16px -16px 28px 16px; border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); z-index: -1;
}
.about-copy h2 { margin-bottom: 20px; }
.about-copy > p { color: var(--muted); font-size: 16.5px; }
.role { display: flex; align-items: flex-start; gap: 16px; padding: 18px 20px; margin-bottom: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.role-now { font: 500 12px var(--font-mono); color: var(--accent); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 4px; }
.role h3 { font-size: 19px; margin: 0 0 12px; }
.role .tag-line { margin-bottom: 0; }
.sub { font-size: 18px; margin: 32px 0 14px; }
.certs { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.certs li { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.cert-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.cert-groups .sub { margin-top: 0; }
.badge { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: #cc0000; color: #fff; font: 700 13px var(--font-mono); }
.badge.or { background: #c74634; }
.badge.hf { background: #ffd21e; color: #1f1f1f; }
.badge.an { background: #d97757; color: #fff; }
.cert-links { margin-left: auto; display: flex; gap: 14px; white-space: nowrap; }
.certs b { display: block; font-size: 15px; }
.certs small { color: var(--muted); font-size: 13px; }
.certs a { font-size: 14px; font-weight: 600; color: var(--accent); text-decoration: none; white-space: nowrap; }
.certs a:hover { text-decoration: underline; }

/* ---------- Contact / footer ---------- */
.contact { text-align: center; padding-bottom: 120px; }
.contact-inner { max-width: 680px; }
.contact .section-sub { margin: 14px auto 30px; }
.contact-term { text-align: left; margin: 0 auto 32px; }
.term-email { display: inline-block; margin-top: 6px; font: 600 clamp(18px, 3.2vw, 24px)/1.3 var(--font-mono); color: #5eead4; text-decoration: none; }
.term-email:hover { text-decoration: underline; }
.footer { border-top: 1px solid var(--border); padding: 28px 0; font-size: 14px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; }
.footer p { margin: 0; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--text); }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero { padding: 64px 0 72px; }
  .hero-grid, .feature-body, .skills, .about { grid-template-columns: 1fr; }
  .hero-grid { gap: 40px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .about { gap: 48px; }
  .cert-groups { grid-template-columns: 1fr; }
  .photo { max-width: 360px; }
}
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav nav { margin-left: auto; }
  .section { padding: 72px 0; }
  .feature { padding: 24px 20px; }
  .feature-top { flex-direction: column; }
  .grid, .skill-list { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .term-body { font-size: 11.5px; padding: 16px; }
  .photo { max-width: 280px; }
  .photo::after { inset: 12px -12px 28px 12px; }
  .certs li { display: grid; grid-template-columns: 38px 1fr; column-gap: 14px; row-gap: 6px; }
  .cert-links { grid-column: 2; margin-left: 0; }
}