:root {
  --bg: #000000;
  --bg-elev: #000000; /* fully black secondary */
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1a1a1a; /* subtle separators on black */
  --brandA: #dc2626; /* red-600 */
  --brandB: #f97316; /* orange-500 */
  --accent: #fb7185; /* rose-400 */
  --shadow: 0 10px 30px rgba(0,0,0,.5);
  --radius: 16px;
  --container: 1280px;
}

html[data-theme="light"] {
  --bg: #f8fafc;
  --bg-elev: #ffffff;
  --text: #0f172a;
  --muted: #334155;
  --border: #e2e8f0;
}

/* Fluid typography */
html { font-size: 16px; scroll-behavior: smooth; }
@media (min-width: 480px) { html { font-size: 17px; } }
@media (min-width: 1024px) { html { font-size: 18px; } }

* { box-sizing: border-box; }
*:focus-visible { outline: 2px solid var(--brandB); outline-offset: 3px; border-radius: 8px; }
::selection { background: color-mix(in oklab, var(--brandA), var(--brandB) 35%); color: white; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg); /* pure black */
  transition: opacity .7s ease;
  letter-spacing: 0.01em;
}

/* Page fade-in */
body.preload { opacity: 0; }

.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { left: 1rem; top: 1rem; width: auto; height: auto; padding: .6rem .8rem; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.2rem; }

/* Header & Nav */
.site-header { position: sticky; top: 0; z-index: 40; backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--border); background: color-mix(in oklab, var(--bg), transparent 15%); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 72px; }
.brand { display: flex; align-items: center; gap: .7rem; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .02em; }
.brand .brand-text { font-family: "Space Grotesk", Inter, sans-serif; font-weight: 700; font-size: 1.05rem; }
.nav-links { display: flex; gap: 1.2rem; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; transition: color .2s ease, text-decoration-color .2s ease; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); text-decoration: underline; text-underline-offset: 8px; text-decoration-thickness: 2px; text-decoration-color: color-mix(in oklab, var(--brandA), var(--brandB) 40%); }
.nav-actions { display: flex; align-items: center; gap: .5rem; }

/* Mobile nav */
.nav-toggle { display: none; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); border-radius: 10px; padding: .45rem .6rem; cursor: pointer; }
@media (max-width: 780px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav .nav-links { position: fixed; top: 72px; left: 0; right: 0; background: color-mix(in oklab, var(--bg), transparent 0%); border-bottom: 1px solid var(--border); padding: .9rem 1.2rem; display: none; flex-direction: column; gap: .9rem; z-index: 39; }
  body.nav-open .nav .nav-links { display: flex; }
}

.theme-toggle { border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); border-radius: 12px; padding: .4rem .6rem; cursor: pointer; display: inline-flex; gap: .4rem; align-items: center; transition: border-color .2s ease, background .2s ease; }
.theme-toggle .sun { display: none; }
html[data-theme="light"] .theme-toggle .sun { display: inline; }
html[data-theme="light"] .theme-toggle .moon { display: none; }
.theme-toggle:hover { border-color: color-mix(in oklab, var(--border), var(--brandB) 30%); }

.aurora { display: none; }
@keyframes drift { from { transform: translateY(-4%) rotate(-2deg); } to { transform: translateY(3%) rotate(2deg); } }

/* Hero */
.hero { padding: 5rem 0 3rem; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .9fr; gap: 3rem; align-items: center; }
.intro h1 { margin: 0 0 .8rem; font-family: "Space Grotesk", Inter, sans-serif; font-weight: 700; font-size: clamp(2.2rem, 2rem + 2.2vw, 4rem); line-height: 1.05; }
.intro .hi { display: block; color: var(--muted); font-weight: 600; letter-spacing: .02em; font-size: .9rem; }
.intro .name { display: block; background: linear-gradient(90deg, var(--brandA), var(--brandB)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tagline { color: var(--muted); max-width: 60ch; }
.cta { display: flex; gap: .8rem; margin: 1.2rem 0 1rem; }

.button { border-radius: 12px; border: 1px solid var(--border); padding: .7rem 1rem; display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; color: var(--text); background: var(--bg-elev); text-decoration: none; cursor: pointer; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.button.primary { background: linear-gradient(90deg, color-mix(in oklab, var(--brandA), white 8%), color-mix(in oklab, var(--brandB), white 8%)); border-color: color-mix(in oklab, var(--brandB), var(--brandA) 50%); box-shadow: 0 10px 30px color-mix(in oklab, var(--brandB), black 80%); }
.button.ghost { background: transparent; }
.button:hover { transform: translateY(-1px); }

.socials { display: flex; gap: .8rem; padding: 0; list-style: none; margin: .6rem 0 0; }
.socials a { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--border); color: var(--muted); background: color-mix(in oklab, var(--bg-elev), transparent 20%); text-decoration: none; transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.socials a:hover { color: var(--text); border-color: color-mix(in oklab, var(--border), var(--brandB) 30%); }

.metrics { display: flex; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }
.kpi { background: color-mix(in oklab, var(--bg-elev), transparent 10%); border: 1px solid var(--border); border-radius: 12px; padding: .7rem .9rem; display: grid; }
.kpi .num { font-weight: 800; font-size: 1.1rem; }
.kpi .label { color: var(--muted); font-size: .85rem; }

.portrait { display: grid; justify-items: center; gap: 1rem; }
.avatar { position: relative; width: min(380px, 90%); aspect-ratio: 1; display: grid; place-items: center; }
.avatar-core { width: 70%; aspect-ratio: 1; border-radius: 50%; overflow: hidden; border: 1px solid var(--border); background: var(--bg-elev); box-shadow: var(--shadow); }
.avatar-img { width: 100%; height: 100%; object-fit: contain; display: block; background: transparent; }
/* Orbits removed per request */
@keyframes spin { to { transform: rotate(360deg) scale(var(--scale, 1)); } }

.roles { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; color: var(--muted); }
.role { border: 1px solid var(--border); border-radius: 999px; padding: .35rem .7rem; font-size: .85rem; opacity: .35; transition: opacity .3s ease; }
.role.active { opacity: 1; color: var(--text); }

/* Sections */
.section { padding: 3.5rem 0; }
.section-head h2 { margin: 0; font-family: "Space Grotesk", Inter, sans-serif; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem); }
.section-head p { margin: .2rem 0 2rem; color: var(--muted); }

/* Projects */
.grid { display: grid; gap: 1.2rem; }
.projects-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1000px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .hero-grid { grid-template-columns: 1fr; } .projects-grid { grid-template-columns: 1fr; } }

.card { border: 1px solid var(--border); border-radius: var(--radius); background: color-mix(in oklab, var(--bg-elev), transparent 6%); overflow: clip; display: grid; grid-template-rows: 180px auto; transition: transform .25s ease; }
.card:hover { transform: translateY(-4px); }
.card-media { position: relative; }
.card-media::after { content: ""; position: absolute; inset: 0; background: radial-gradient(80% 40% at 20% 20%, rgba(255,255,255,.25), transparent 60%); mix-blend-mode: overlay; opacity: .6; }
.gradient-1 { background: linear-gradient(135deg, #ef4444, #f97316); }
.gradient-2 { background: linear-gradient(135deg, #dc2626, #fb7185); }
.gradient-3 { background: linear-gradient(135deg, #f97316, #b91c1c); }
.card-body { padding: 1rem; display: grid; gap: .6rem; }
.card-body h3 { margin: .2rem 0; }
.tags { display: flex; gap: .4rem; list-style: none; padding: 0; margin: .2rem 0; flex-wrap: wrap; }
.tags li { font-size: .78rem; color: var(--muted); border: 1px solid var(--border); padding: .2rem .5rem; border-radius: 999px; }
.card-actions { display: flex; gap: .5rem; align-items: center; margin-top: .2rem; }
.chip { text-decoration: none; font-weight: 600; color: var(--text); border-radius: 999px; border: 1px solid var(--border); padding: .35rem .7rem; }
.chip.ghost { background: transparent; color: var(--muted); }

/* Timeline */
.timeline { position: relative; display: grid; gap: 1.4rem; }
.timeline-line { position: absolute; left: 10ch; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--brandB), var(--brandA)); opacity: .4; }
.t-item { position: relative; display: grid; grid-template-columns: 12ch 1fr; align-items: start; gap: 1rem; }
.t-time { color: var(--muted); margin-top: .35rem; }
.t-card { border: 1px solid var(--border); background: color-mix(in oklab, var(--bg-elev), transparent 5%); border-radius: 14px; padding: .9rem 1rem; box-shadow: var(--shadow); }
.t-card h3 { margin: 0 0 .2rem; }
.t-tags { display: flex; gap: .4rem; list-style: none; padding: 0; margin: .3rem 0 0; }
.t-tags li { font-size: .78rem; color: var(--muted); border: 1px solid var(--border); padding: .2rem .5rem; border-radius: 999px; }

/* About */
.about { display: grid; gap: 1rem; }
.skills { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; list-style: none; }
.skills li { border: 1px solid var(--border); padding: .35rem .7rem; border-radius: 999px; color: var(--muted); }

/* Contact */
.contact { display: grid; }
.contact-card { border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(90deg, color-mix(in oklab, var(--brandA), transparent 88%), color-mix(in oklab, var(--brandB), transparent 88%)); padding: 1.4rem; text-align: center; }
.contact-actions { display: flex; gap: .6rem; justify-content: center; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2rem 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.back-to-top { text-decoration: none; color: var(--muted); border: 1px solid var(--border); border-radius: 10px; padding: .35rem .6rem; }

/* Reveal animations */
.reveal { opacity: 0; transform: translateY(14px) scale(.98); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0) scale(1); }

/* Testimonials */
.testimonials-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1000px) { .testimonials-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .testimonials-grid { grid-template-columns: 1fr; } }
.quote-card { position: relative; border: 1px solid var(--border); border-radius: 14px; padding: 1rem; background: color-mix(in oklab, var(--bg-elev), transparent 6%); box-shadow: var(--shadow); }
.quote-card::before { content: "\201C"; position: absolute; top: .4rem; left: .6rem; font-family: Georgia, serif; font-size: 3rem; line-height: 1; color: color-mix(in oklab, var(--brandA), var(--brandB) 40%); opacity: .15; }
.quote { margin: .4rem 0 .8rem; color: var(--text); }
.quote-meta { display: flex; align-items: center; gap: .6rem; color: var(--muted); font-size: .9rem; }
.avatar-sm { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border); object-fit: cover; background: #111; }
.stars { color: #fbbf24; letter-spacing: 1px; margin-left: .2rem; font-size: .95rem; }
.badge { border: 1px solid var(--border); border-radius: 999px; padding: .2rem .5rem; font-size: .75rem; font-weight: 700; }
.badge-yellow { background: #fbbf24; color: #111; border-color: #f59e0b; }

/* Featured testimonial shine */
.quote-card.featured { border-color: color-mix(in oklab, var(--brandA), var(--brandB) 40%); box-shadow: 0 0 0 1px color-mix(in oklab, var(--brandA), var(--brandB) 30%), 0 10px 30px rgba(0,0,0,.6); overflow: hidden; }
.quote-card.featured::after { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,.08) 40%, rgba(255,255,255,.15) 45%, rgba(255,255,255,.08) 50%, transparent 70%); transform: translateX(-100%); animation: sweep 3.6s ease-in-out infinite; pointer-events: none; }
@keyframes sweep { 50% { transform: translateX(0%); } 100% { transform: translateX(120%); } }

/* Utilities */
p { margin: .3rem 0 .8rem; }
h1, h2, h3 { color: var(--text); }
.muted { color: var(--muted); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* Previews */
.previews-hero { padding: 4rem 0 2rem; }
.previews-header { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem 1.2rem; background: color-mix(in oklab, var(--bg-elev), transparent 4%); box-shadow: var(--shadow); }
.previews-header h1 { margin: 0 0 .25rem 0; font-family: "Space Grotesk", Inter, sans-serif; font-size: clamp(1.8rem,1.2rem+2vw,2.4rem); }
.ph-media { justify-self: end; }
.ph-img { width: 260px; max-width: 100%; height: auto; display: block; filter: drop-shadow(0 10px 30px rgba(0,0,0,.6)); }
.previews-grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1100px) { .previews-grid { grid-template-columns: 1fr; } }
.previews-header { overflow: hidden; }
@media (max-width: 780px) {
  .previews-header { grid-template-columns: 1fr; text-align: left; }
  .ph-media { justify-self: start; }
  .ph-img { width: 200px; }
}
.preview-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; background: color-mix(in oklab, var(--bg-elev), transparent 4%); box-shadow: var(--shadow); display: grid; gap: .7rem; }
.video-wrap { position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; border-radius: 14px; background: #000; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.preview-title { margin: 0; font-weight: 600; }