:root {
  --bg: #07090f;
  --bg-2: #0a0e17;
  --surface: #0e1421;
  --surface-2: #131b2c;
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.22);
  --text: #e6edf6;
  --muted: #8d9ab0;
  --accent: #2dd4bf;
  --accent-2: #60a5fa;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --danger: #f87171;
  --ok: #34d399;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --container: 1160px;
  --nav-h: 68px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(45, 212, 191, 0.10), transparent 60%),
    radial-gradient(700px 500px at -10% 20%, rgba(96, 165, 250, 0.08), transparent 60%),
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(45, 212, 191, 0.3); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.ico { width: 18px; height: 18px; flex: none; }
.ico-xs { width: 14px; height: 14px; }
.ico-xl { width: 44px; height: 44px; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--accent); color: #04110f; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 22px; border-radius: 12px;
  font: 600 15px/1 var(--font); cursor: pointer; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04110f; box-shadow: 0 10px 30px -10px rgba(45, 212, 191, .55); }
.btn-primary:hover { box-shadow: 0 16px 40px -12px rgba(45, 212, 191, .7); }
.btn-ghost { background: rgba(255, 255, 255, .03); border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-outline { border-color: rgba(45, 212, 191, .45); color: var(--accent); background: transparent; }
.btn-outline:hover { background: var(--accent-soft); }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; border-radius: 10px; }

/* ---------- Nav ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav-h); transition: background-color .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.nav.scrolled, .nav.open { background: rgba(7, 9, 15, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--border); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { font: 700 20px/1 var(--mono); letter-spacing: -0.02em; }
.logo .cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a:not(.btn) { padding: 8px 14px; border-radius: 8px; color: var(--muted); font-size: 15px; transition: color .2s, background-color .2s; }
.nav-links a:not(.btn):hover, .nav-links a.active { color: var(--text); background: rgba(255, 255, 255, .04); }
.nav-links .btn { margin-left: 8px; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border-strong); background: transparent; color: var(--text); cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle .ico { width: 22px; height: 22px; }
.nav-toggle .i-close, .nav.open .nav-toggle .i-open { display: none; }
.nav.open .nav-toggle .i-close { display: block; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 16px 20px;
    background: rgba(7, 9, 15, .96); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.open .nav-links { transform: none; opacity: 1; visibility: visible; }
  .nav-links a:not(.btn) { padding: 14px 12px; font-size: 17px; }
  .nav-links .btn { margin: 10px 0 0; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: calc(var(--nav-h) + 40px) 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 10px; border-radius: 999px; border: 1px solid rgba(52, 211, 153, .3); background: rgba(52, 211, 153, .08); color: #a7f3d0; font-size: 13px; margin-bottom: 22px; }
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(52, 211, 153, .6); animation: pulse 2s infinite; }
.badge[hidden] { display: none; }
.eyebrow { color: var(--accent); font-size: 14px; margin: 0 0 10px; letter-spacing: .02em; }
.hero-name { font-size: clamp(40px, 7vw, 76px); font-weight: 800; letter-spacing: -0.035em; background: linear-gradient(180deg, #fff 30%, #a9b6ca); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin: 14px 0 22px; font-size: clamp(17px, 2.3vw, 21px); color: var(--text); font-weight: 600; }
.hero-role { color: var(--accent); font-size: .85em; font-weight: 500; min-height: 1.4em; }
.hero-role .prompt { color: var(--muted); }
.caret { display: inline-block; width: .55em; height: 1.05em; margin-left: 2px; vertical-align: -0.15em; background: var(--accent); animation: blink 1s steps(1) infinite; }
.hero-headline { font-size: clamp(22px, 3.2vw, 32px); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; max-width: 22ch; margin-bottom: 14px; }
.hero-tagline { color: var(--muted); font-size: 17px; max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 28px; }
.socials { display: flex; gap: 10px; }
.social { width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border-strong); color: var(--muted); transition: color .2s, border-color .2s, transform .2s, background-color .2s; }
.social:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); background: var(--accent-soft); }

.terminal { border-radius: var(--radius); border: 1px solid var(--border-strong); background: linear-gradient(180deg, rgba(19, 27, 44, .9), rgba(10, 14, 23, .95)); box-shadow: var(--shadow), 0 0 0 1px rgba(45, 212, 191, .05), 0 30px 80px -30px rgba(45, 212, 191, .25); overflow: hidden; }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3a4458; }
.terminal-bar span:nth-child(1) { background: #f87171; }
.terminal-bar span:nth-child(2) { background: #fbbf24; }
.terminal-bar span:nth-child(3) { background: #34d399; }
.terminal-bar em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--muted); }
.terminal-body { margin: 0; padding: 20px 22px 24px; font-size: 14px; line-height: 1.85; white-space: pre-wrap; word-break: break-word; min-height: 280px; }
.t-cmd { color: var(--text); }
.t-prompt { color: var(--accent); }
.t-out { color: var(--muted); }
.t-ok { color: var(--ok); }

.scroll-hint { position: absolute; left: 50%; bottom: 26px; width: 26px; height: 42px; margin-left: -13px; border: 2px solid var(--border-strong); border-radius: 14px; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--accent); animation: scroll 1.8s infinite; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .terminal-body { min-height: 0; }
  .scroll-hint { display: none; }
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-head { margin-bottom: 44px; }
.section-head h2, .contact-info h2 { font-size: clamp(30px, 4.5vw, 44px); font-weight: 800; }
.card { background: linear-gradient(180deg, rgba(19, 27, 44, .7), rgba(14, 20, 33, .7)); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: border-color .25s, transform .25s, box-shadow .25s; }
.icon-box { width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(45, 212, 191, .2); flex: none; }
.icon-box .ico { width: 22px; height: 22px; }
.icon-box-sm { width: 38px; height: 38px; border-radius: 10px; }
.icon-box-sm .ico { width: 18px; height: 18px; }

/* About */
.about-grid { display: grid; grid-template-columns: 340px 1fr; gap: 56px; align-items: start; }
.photo-frame { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 6 / 7; border: 1px solid var(--border-strong); background: var(--surface); }
.photo-frame::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04); pointer-events: none; }
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at 30% 20%, rgba(45, 212, 191, .25), transparent 55%), radial-gradient(circle at 80% 90%, rgba(96, 165, 250, .25), transparent 55%), var(--surface-2); }
.photo-placeholder span { font: 800 88px/1 var(--font); letter-spacing: -0.05em; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.about-text p { color: #c3cddc; font-size: 17px; }
.about-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 26px 0 28px; font-size: 14px; color: var(--muted); }
.about-meta li { display: flex; align-items: center; gap: 8px; }
.about-meta .ico { color: var(--accent); width: 16px; height: 16px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 56px; }
.stat { padding: 24px; border-radius: var(--radius); border: 1px solid var(--border); background: rgba(14, 20, 33, .6); }
.stat-value { display: block; font-size: 38px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: 14px; }

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-photo { max-width: 320px; }
}

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.skill-card:hover, .project:hover { border-color: rgba(45, 212, 191, .35); transform: translateY(-4px); box-shadow: var(--shadow); }
.skill-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.skill-head h3 { font-size: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 12px; border-radius: 999px; font-size: 13.5px; color: #c3cddc; background: rgba(255, 255, 255, .04); border: 1px solid var(--border); transition: border-color .2s, color .2s; }
.chip:hover { border-color: rgba(45, 212, 191, .4); color: var(--accent); }
.chips-sm .chip { font-size: 12.5px; padding: 4px 10px; font-family: var(--mono); }

/* Experience */
.exp-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: start; }
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--accent), rgba(96, 165, 250, .2)); border-radius: 2px; }
.tl-item { position: relative; }
.tl-item + .tl-item { margin-top: 20px; }
.tl-dot { position: absolute; left: -28px; top: 26px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); box-shadow: 0 0 0 4px rgba(45, 212, 191, .15); }
.tl-period { color: var(--accent); font-size: 13px; margin-bottom: 6px; }
.tl-item h3 { font-size: 20px; }
.tl-org { color: var(--muted); margin: 6px 0 14px; }
.tl-points li { position: relative; padding-left: 20px; color: #c3cddc; }
.tl-points li + li { margin-top: 8px; }
.tl-points li::before { content: "▹"; position: absolute; left: 0; color: var(--accent); }
.side-cards { display: grid; gap: 20px; }
.side-cards .card[hidden] { display: none; }
.card-title { display: flex; align-items: center; gap: 10px; font-size: 17px; margin-bottom: 16px; }
.card-title .ico { color: var(--accent); }
.mini { display: flex; flex-direction: column; gap: 2px; padding: 12px 0; border-top: 1px solid var(--border); font-size: 14.5px; }
.mini:first-of-type { border-top: 0; padding-top: 0; }
.mini span { color: #aab6c8; }
.mini .mono { font-size: 12.5px; }
.mini-link { display: inline-flex; align-items: center; gap: 6px; }
.mini-link:hover { color: var(--accent); }

@media (max-width: 960px) { .exp-grid { grid-template-columns: 1fr; } }

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card.project { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.project.featured { grid-column: span 2; }
.project.featured .project-media { aspect-ratio: 21 / 9; }
.project-media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project:hover .project-media img { transform: scale(1.04); }
.project-placeholder { position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--accent); }
.project-placeholder .mono { position: absolute; right: 18px; bottom: 12px; font-size: 13px; color: var(--muted); }
.project-placeholder.v0 { background: radial-gradient(circle at 20% 20%, rgba(45, 212, 191, .28), transparent 60%), linear-gradient(135deg, #0f1a2b, #0b111c); }
.project-placeholder.v1 { background: radial-gradient(circle at 80% 30%, rgba(96, 165, 250, .3), transparent 60%), linear-gradient(135deg, #0f1726, #0b111c); color: var(--accent-2); }
.project-placeholder.v2 { background: radial-gradient(circle at 30% 80%, rgba(167, 139, 250, .28), transparent 60%), linear-gradient(135deg, #131527, #0b111c); color: #c4b5fd; }
.project-placeholder.v3 { background: radial-gradient(circle at 70% 70%, rgba(52, 211, 153, .25), transparent 60%), linear-gradient(135deg, #0e1b1e, #0b111c); color: var(--ok); }
.project-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.project-role { font-size: 12.5px; color: var(--accent); margin-bottom: 8px; }
.project h3 { font-size: 20px; margin-bottom: 10px; }
.project .muted { font-size: 15px; }
.project .chips { margin-top: auto; padding-top: 6px; }
.project-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

@media (max-width: 1024px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .projects-grid { grid-template-columns: 1fr; }
  .project.featured { grid-column: auto; }
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.contact-info h2 { margin-bottom: 14px; }
.contact-info > .muted { font-size: 17px; max-width: 42ch; }
.contact-list { margin-top: 28px; display: grid; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 14px; min-width: 0; }
.contact-list a, .contact-list span:not(.icon-box) { overflow-wrap: anywhere; color: #c3cddc; transition: color .2s; }
.contact-list a:hover { color: var(--accent); }
.contact-form { padding: 28px; display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; color: #c3cddc; font-weight: 500; }
.field input, .field textarea {
  width: 100%; padding: 13px 14px; border-radius: 12px; font: inherit; font-size: 16px; color: var(--text);
  background: rgba(7, 9, 15, .6); border: 1px solid var(--border-strong); transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(45, 212, 191, .12); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0; min-height: 1.5em; font-size: 14.5px; color: var(--muted); }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--danger); }

@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 28px 0; font-size: 13.5px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer p { margin: 0; }
.footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 32px; }
  .hero { padding-top: calc(var(--nav-h) + 24px); }
  .hero-cta .btn { flex: 1 1 auto; }
  .card { padding: 20px; }
  .terminal-body { font-size: 12.5px; padding: 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat { padding: 18px; }
  .stat-value { font-size: 30px; }
}

/* ---------- Motion ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
.hero-copy > * { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
body.ready .hero-copy > * { opacity: 1; transform: none; }
body.ready .hero-copy > :nth-child(2) { transition-delay: .05s; }
body.ready .hero-copy > :nth-child(3) { transition-delay: .1s; }
body.ready .hero-copy > :nth-child(4) { transition-delay: .15s; }
body.ready .hero-copy > :nth-child(5) { transition-delay: .2s; }
body.ready .hero-copy > :nth-child(6) { transition-delay: .25s; }
body.ready .hero-copy > :nth-child(7) { transition-delay: .3s; }
body.ready .hero-copy > :nth-child(8) { transition-delay: .35s; }

@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, .55); } 70% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }
@keyframes scroll { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .hero-copy > * { opacity: 1; transform: none; }
}