/* Layout concept: dark control-room feel. Constellation canvas behind, terminal as the hero object, hairline panels. */
:root {
  --bg: #070a0f;
  --panel: #0d131c;
  --panel-2: #121a26;
  --line: #1d2a3a;
  --text: #e6edf5;
  --muted: #8ea0b5;
  --accent: #5ce1e6;
  --accent-ink: #04161a;
  --signal: #ffb547;
  --radius: 14px;
  --font-display: "Unbounded", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
main { position: relative; z-index: 1; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.selectable { user-select: all; }

#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .9; }

.wrap {
  width: min(1160px, 100%);
  margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.wrap.narrow { width: min(820px, 100%); }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 600; margin-bottom: 36px; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0 0 1em; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 56ch; }
.eyebrow { color: var(--accent); font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 14px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 24px; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink);
  font: 600 .95rem var(--font-body); text-decoration: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px rgba(92, 225, 230, .7); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); box-shadow: none; }
.btn-small { padding: 8px 18px; font-size: .88rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px max(20px, env(safe-area-inset-right, 0px)) 16px max(20px, env(safe-area-inset-left, 0px));
  padding-top: calc(16px + env(safe-area-inset-top, 0px));
}
/* Blur lives on a pseudo-element so the fixed mobile drawer is not trapped inside the nav's containing block */
.nav::before { content: ""; position: absolute; inset: 0; z-index: -1; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.nav.is-scrolled::before { background: rgba(7, 10, 15, .8); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font: 700 1.05rem var(--font-display); text-decoration: none; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { text-decoration: none; color: var(--muted); font-size: .95rem; transition: color .2s; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; position: relative; }
.nav-toggle span { position: absolute; left: 9px; right: 9px; height: 2px; background: var(--text); transition: transform .25s, top .25s; }
.nav-toggle span:first-child { top: 15px; }
.nav-toggle span:last-child { top: 23px; }
.nav-toggle[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

/* Hero */
.hero { position: relative; padding: 150px 0 90px; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero-video { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-video video { width: 100%; height: 100%; object-fit: cover; opacity: .8; }
.hero-video::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 40%, rgba(7,10,15,.15), rgba(7,10,15,.78) 85%), linear-gradient(180deg, rgba(7,10,15,.35) 0%, rgba(7,10,15,0) 30%, var(--bg) 100%); }
.hero > .wrap { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) { .hero-video video { display: none; } }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero-copy, .terminal { min-width: 0; }
.badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px; margin-bottom: 22px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--muted); font-size: .85rem;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 0 0 rgba(61, 220, 132, .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(61, 220, 132, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); } }
.hero h1 { margin-bottom: 22px; }
.typed-line { color: var(--signal); font-size: 1.05rem; min-height: 1.7em; margin-bottom: 18px; }
.typed-line .prompt { color: var(--accent); }
.caret { display: inline-block; width: 9px; height: 1.05em; margin-left: 3px; vertical-align: -3px; background: var(--signal); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  color: var(--muted); font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; text-decoration: none;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-hint::after { content: ""; width: 1px; height: 38px; background: linear-gradient(var(--accent), transparent); animation: drip 2s infinite; }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* Terminal */
.terminal { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 30px 80px -30px rgba(92, 225, 230, .25); overflow: hidden; transform-style: preserve-3d; }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; background: #2a3a4f; }
.terminal-bar i:first-child { background: #ff6b6b; }
.terminal-bar i:nth-child(2) { background: var(--signal); }
.terminal-bar i:nth-child(3) { background: #3ddc84; }
.terminal-bar span { margin-left: 10px; color: var(--muted); font-size: .78rem; }
.terminal-body { margin: 0; padding: 20px; font-size: .82rem; line-height: 1.75; color: #b9c8d9; min-height: 290px; white-space: pre-wrap; word-break: break-word; }
.terminal-body .c { color: #5d7088; }
.terminal-body .k { color: var(--accent); }
.terminal-body .ok { color: #3ddc84; }

/* Marquee */
.marquee { position: relative; z-index: 1; overflow: hidden; border-block: 1px solid var(--line); background: rgba(13, 19, 28, .7); padding: 18px 0; }
.marquee-track { display: flex; gap: 28px; width: max-content; animation: slide 32s linear infinite; font: 500 .95rem var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .14em; white-space: nowrap; }
.marquee-track b { color: var(--accent); font-weight: 400; }
@keyframes slide { to { transform: translateX(-50%); } }

/* Sections */
.section { position: relative; padding: 110px 0; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.about-grid > * { min-width: 0; }
.frame { aspect-ratio: 4 / 5; max-width: 420px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); overflow: hidden; position: relative; }
.frame::after { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(92, 225, 230, .35); border-radius: 8px; pointer-events: none; }
.frame img { width: 100%; height: 100%; object-fit: cover; }
.frame-placeholder { height: 100%; display: grid; place-items: center; font-size: 6rem; color: var(--accent); background: radial-gradient(circle at 30% 20%, #15324a, var(--panel)); }
.about-copy p { color: var(--muted); max-width: 60ch; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 16px; margin-top: 34px; }
.stat { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.stat strong { display: block; font: 700 1.9rem var(--font-display); color: var(--accent); }
.stat span { color: var(--muted); font-size: .88rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 20px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(160deg, var(--panel-2), var(--panel)); transition: border-color .25s; transform-style: preserve-3d; }
.card:hover { border-color: var(--accent); }
.card-icon { display: inline-grid; place-items: center; width: 54px; height: 54px; border-radius: 12px; background: rgba(92, 225, 230, .09); color: var(--accent); margin-bottom: 18px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; font-size: .96rem; }

.skill-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 24px; }
.skill-group { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.skill-group h3 { color: var(--signal); font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 500; margin-bottom: 20px; }
.skill { margin-bottom: 18px; }
.skill:last-child { margin-bottom: 0; }
.skill-top { display: flex; justify-content: space-between; font-size: .92rem; margin-bottom: 8px; }
.skill-top .mono { color: var(--muted); font-size: .8rem; }
.bar { height: 5px; border-radius: 99px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #8bf0f3); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin: -12px 0 30px; }
.chip { padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); font: 500 .85rem var(--font-body); cursor: pointer; transition: .2s; }
.chip:hover { color: var(--text); border-color: var(--muted); }
.chip.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 22px; }
.project { display: flex; flex-direction: column; text-decoration: none; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; transition: border-color .25s; transform-style: preserve-3d; }
.project:hover { border-color: var(--accent); }
.project.is-hidden { display: none; }
.project-media { aspect-ratio: 16 / 9; background: radial-gradient(circle at 20% 10%, #16384f, var(--panel-2)); display: grid; place-items: center; color: var(--accent); overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project:hover .project-media img { transform: scale(1.05); }
.project-body { padding: 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.project-body h3 { font-size: 1.15rem; }
.project-body p { color: var(--muted); font-size: .94rem; margin: 0; }
.tag { color: var(--signal); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 12px; }
.chips span { padding: 3px 11px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); font: 400 .76rem var(--font-mono); }
.chips.big { margin: 28px 0; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-grid > * { min-width: 0; }
.contact-list { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 14px; }
.contact-list li { display: flex; gap: 18px; align-items: baseline; padding-bottom: 14px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.contact-list .mono { color: var(--accent); font-size: .76rem; text-transform: uppercase; letter-spacing: .14em; min-width: 92px; }
.form { display: grid; gap: 8px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.form label { font-size: .84rem; color: var(--muted); margin-top: 8px; }
.form input, .form textarea { width: 100%; padding: 13px 15px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: 400 1rem var(--font-body); transition: border-color .2s; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); }
.form .btn { margin-top: 16px; justify-self: start; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.4em; margin: 6px 0 0; color: var(--accent); font-size: .92rem; }
.form-status.is-error { color: #ff8a8a; }

.project-page { padding-top: 140px; }
.back { display: inline-block; color: var(--muted); text-decoration: none; margin-bottom: 30px; font-size: .85rem; }
.back:hover { color: var(--accent); }
.project-hero { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); margin: 34px 0; }
.prose p { color: var(--muted); max-width: 66ch; }
.more { margin: 70px 0 28px; font-size: 1.4rem; }

.footer { position: relative; z-index: 1; border-top: 1px solid var(--line); padding: 30px 0; padding-bottom: calc(30px + env(safe-area-inset-bottom, 0px)); color: var(--muted); font-size: .88rem; background: rgba(7, 10, 15, .85); }
.footer-row { display: flex; flex-wrap: wrap; gap: 14px 30px; justify-content: space-between; }
.social { display: flex; gap: 20px; }
.social a { text-decoration: none; }
.social a:hover { color: var(--accent); }

/* Custom cursor, desktop pointers only */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor { display: block; position: fixed; top: 0; left: 0; width: 34px; height: 34px; margin: -17px 0 0 -17px; border: 1px solid var(--accent); border-radius: 50%; z-index: 100; pointer-events: none; opacity: 0; transition: width .2s, height .2s, margin .2s, background .2s, opacity .3s; mix-blend-mode: difference; }
  .cursor.is-on { opacity: .9; }
  .cursor.is-link { width: 58px; height: 58px; margin: -29px 0 0 -29px; background: rgba(92, 225, 230, .18); }
}

@media (max-width: 900px) {
  .hero { padding-top: 120px; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .section { padding: 80px 0; }
  .nav-toggle { display: block; }
  .nav-links { position: fixed; inset: 0 0 0 auto; width: min(320px, 84vw); flex-direction: column; align-items: flex-start; gap: 22px; padding: 100px 30px 30px; background: var(--panel); border-left: 1px solid var(--line); transform: translateX(100%); transition: transform .3s; }
  .nav-links.is-open { transform: none; }
  .nav-links a:not(.btn) { font-size: 1.2rem; color: var(--text); }
  .nav-toggle { z-index: 60; }
  .frame { max-width: 320px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track, .pulse, .caret, .scroll-hint::after { animation: none; }
  #bg { display: none; }
}

.contact-list .find-me .social { gap: 18px; }
.contact-list a { color: var(--accent); text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }

/* ===== Mobile-first hardening ===== */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; -webkit-tap-highlight-color: rgba(92, 225, 230, .15); }
h1, h2, h3, p, li { overflow-wrap: break-word; }
.selectable { overflow-wrap: anywhere; user-select: all; }
html.nav-open, html.nav-open body { overflow: hidden; }
html.nav-open body::after { content: ""; position: fixed; inset: 0; background: rgba(0, 0, 0, .6); z-index: 40; }

/* Tablets and below */
@media (max-width: 900px) {
  .nav-links { height: 100vh; height: 100dvh; overflow-y: auto; padding-bottom: calc(30px + env(safe-area-inset-bottom, 0px)); }
  .nav-links a:not(.btn) { display: block; width: 100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { width: 100%; min-height: 48px; margin-top: 6px; }
  .nav-toggle { width: 44px; height: 44px; margin-right: -8px; }
  .nav-toggle span { left: 11px; right: 11px; }
  .nav-toggle span:first-child { top: 17px; }
  .nav-toggle span:last-child { top: 25px; }
  .nav-toggle[aria-expanded="true"] span:first-child, .nav-toggle[aria-expanded="true"] span:last-child { top: 21px; }
  .hero { min-height: auto; padding: 118px 0 80px; }
  .scroll-hint { display: none; }
  .about-visual { display: flex; justify-content: center; }
  .frame { width: 100%; }
}

/* Phones */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  h1 { font-size: clamp(1.7rem, 8vw, 2.2rem); line-height: 1.18; }
  h2 { font-size: clamp(1.35rem, 6.2vw, 1.75rem); margin-bottom: 24px; }
  .lead { font-size: 1rem; }
  .hero { padding: 104px 0 56px; }
  .hero-grid { gap: 36px; }
  .hero h1 { margin-bottom: 16px; }
  .typed-line { font-size: .92rem; margin-bottom: 14px; }
  .badge { font-size: .78rem; padding: 5px 12px; margin-bottom: 16px; }
  .cta-row { flex-direction: column; align-items: stretch; margin-top: 24px; }
  .cta-row .btn { min-height: 48px; width: 100%; }
  .terminal-bar { padding: 10px 12px; }
  .terminal-bar span { font-size: .7rem; }
  .terminal-body { padding: 14px; font-size: .72rem; line-height: 1.7; min-height: 250px; }
  .marquee { padding: 13px 0; }
  .marquee-track { font-size: .78rem; gap: 20px; animation-duration: 24s; }
  .about-grid, .contact-grid { gap: 32px; }
  .frame { max-width: 260px; margin-inline: auto; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 26px; }
  .stat { padding: 14px; }
  .stat strong { font-size: 1.5rem; }
  .card { padding: 22px; }
  .skill-group { padding: 20px; }
  .filters { flex-wrap: nowrap; overflow-x: auto; margin: -6px -20px 24px; padding: 4px 20px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .filters::-webkit-scrollbar { display: none; }
  .chip { flex: 0 0 auto; min-height: 44px; padding: 8px 18px; }
  .project-body { padding: 18px; }
  .contact-list li { flex-direction: column; gap: 2px; align-items: flex-start; }
  .contact-list .mono { min-width: 0; }
  .contact-list a, .contact-list .selectable { min-height: 28px; font-size: 1.05rem; }
  .form { padding: 20px; border-radius: 12px; }
  .form input, .form textarea { font-size: 16px; padding: 14px; }
  .form .btn { width: 100%; justify-self: stretch; min-height: 50px; }
  .project-page { padding-top: 104px; }
  .project-page .cta-row .btn { width: 100%; }
  .project-hero { margin: 24px 0; }
  .more { margin: 48px 0 20px; }
  .footer-row { flex-direction: column; align-items: center; text-align: center; gap: 12px; }
  .social { flex-wrap: wrap; justify-content: center; gap: 10px 18px; }
  .social a { padding: 6px 2px; }
}

/* Small phones (iPhone SE, 360px Androids) */
@media (max-width: 380px) {
  .wrap { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .nav { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .brand { font-size: .95rem; }
  h1 { font-size: 1.6rem; }
  .terminal-body { font-size: .68rem; padding: 12px; }
  .filters { margin-inline: -16px; padding-inline: 16px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat span { font-size: .8rem; }
}

/* Landscape phones */
@media (max-height: 520px) and (orientation: landscape) {
  .hero { padding: 90px 0 50px; }
  .nav-links { padding-top: 76px; gap: 10px; }
  .nav-links a:not(.btn) { padding: 8px 0; }
}

/* Touch devices: no hover-only effects, bigger targets */
@media (hover: none) {
  .btn:hover { transform: none; box-shadow: none; }
  .project:hover .project-media img { transform: none; }
  .btn, .chip, .nav-links a { min-height: 44px; }
}

/* Folding screens and very wide monitors */
@media (min-width: 1500px) { .wrap { width: min(1280px, 100%); } }

/* Logo */
.brand { gap: 12px; }
.brand-logo { height: 28px; width: auto; flex: 0 0 auto; }
.frame img.frame-logo { box-sizing: border-box; width: 100%; height: 100%; object-fit: contain; padding: 30px; background: radial-gradient(circle at 30% 15%, #11283d, var(--panel)); }
@media (max-width: 380px) { .brand-logo { height: 24px; } }

/* Accessibility and SEO helpers */
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: 10px; font-weight: 700; text-decoration: none; transition: top .2s; }
.skip-link:focus { top: calc(10px + env(safe-area-inset-top, 0px)); }


/* ===== Theme toggle + light mode ===== */
.brand { margin-right: auto; }
.nav { justify-content: flex-start; gap: 14px; }
.theme-btn { order: 3; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--panel); color: var(--text); display: inline-grid; place-items: center; cursor: pointer; padding: 0; transition: border-color .2s, color .2s, transform .2s, background .3s; flex: 0 0 auto; }
.theme-btn:hover { border-color: var(--accent); color: var(--accent); transform: rotate(18deg); }
.theme-btn svg { width: 19px; height: 19px; }
.theme-btn .i-sun { display: none; }
html[data-theme="light"] .theme-btn .i-sun { display: block; }
html[data-theme="light"] .theme-btn .i-moon { display: none; }
.nav-links { order: 2; }
.nav-toggle { order: 4; }
@media (max-width: 900px) { .theme-btn { order: 2; } .nav-toggle { order: 3; } }
body, .panel, .card, .stat, .terminal, .nav::before, .footer, .marquee { transition: background-color .3s, border-color .3s, color .3s; }

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-2: #eef3f9;
  --line: #d9e2ee;
  --text: #0f1b2a;
  --muted: #566a80;
  --accent: #0a8fb0;
  --accent-ink: #ffffff;
  --signal: #d97706;
}
html[data-theme="light"] #bg { opacity: .55; }
html[data-theme="light"] .btn:hover { box-shadow: 0 10px 26px -10px rgba(10, 143, 176, .55); }
html[data-theme="light"] .nav.is-scrolled::before { background: rgba(244, 247, 251, .85); }
html[data-theme="light"] .hero-video::after { background: radial-gradient(ellipse at 30% 40%, rgba(244,247,251,.1), rgba(244,247,251,.8) 85%), linear-gradient(180deg, rgba(244,247,251,.4) 0%, rgba(244,247,251,0) 30%, var(--bg) 100%); }
html[data-theme="light"] .marquee { background: rgba(255, 255, 255, .75); }
html[data-theme="light"] .footer { background: rgba(255, 255, 255, .85); }
html[data-theme="light"] .frame::after { border-color: rgba(10, 143, 176, .35); }
html[data-theme="light"] .frame-placeholder { background: radial-gradient(circle at 30% 20%, #d6edf6, var(--panel)); }
html[data-theme="light"] .frame img.frame-logo { background: radial-gradient(circle at 30% 15%, #dcecf7, var(--panel)); }
html[data-theme="light"] .project-media { background: radial-gradient(circle at 20% 10%, #d6edf6, var(--panel-2)); }
html[data-theme="light"] .card-icon { background: rgba(10, 143, 176, .1); }
html[data-theme="light"] .bar i { background: linear-gradient(90deg, var(--accent), #3cc3dd); }
html[data-theme="light"] .form-status.is-error { color: #c62828; }
html[data-theme="light"] .cursor.is-link { background: rgba(10, 143, 176, .15); }
html[data-theme="light"] { -webkit-tap-highlight-color: rgba(10, 143, 176, .15); }
html[data-theme="light"] .terminal { box-shadow: 0 30px 70px -30px rgba(15, 27, 42, .35); }
/* The terminal stays a dark code window in both themes */
.terminal { --panel: #0d131c; --panel-2: #121a26; --line: #1d2a3a; --text: #e6edf5; --muted: #8ea0b5; --accent: #5ce1e6; --signal: #ffb547; }
html[data-theme="light"] .terminal { background: #0d131c; border-color: #1d2a3a; }
html.nav-open[data-theme="light"] body::after { background: rgba(15, 27, 42, .45); }

/* Logo: separate high-contrast mark for light mode */
.brand-logo-light { display: none; }
html[data-theme="light"] .brand-logo-light { display: block; }
html[data-theme="light"] .brand-logo-light ~ * , html[data-theme="light"] .brand-logo-light { }
html[data-theme="light"] .brand-logo:has(+ .brand-logo-light) { display: none; }
html:not([data-theme="light"]) .brand-logo { filter: drop-shadow(0 0 6px rgba(56,189,248,.35)); }


/* ===== Creative layer ===== */
:root { --accent-rgb: 92,225,230; }
html[data-theme="light"] { --accent-rgb: 10,143,176; }
html[data-accent="magenta"] { --accent: #ff5fa8; --accent-rgb: 255,95,168; }
html[data-accent="lime"] { --accent: #b6f24a; --accent-rgb: 182,242,74; }
html[data-accent="violet"] { --accent: #a78bfa; --accent-rgb: 167,139,250; }
html[data-theme="light"][data-accent="magenta"] { --accent: #d6246e; --accent-rgb: 214,36,110; }
html[data-theme="light"][data-accent="lime"] { --accent: #4d8a00; --accent-rgb: 77,138,0; }
html[data-theme="light"][data-accent="violet"] { --accent: #6d3fe0; --accent-rgb: 109,63,224; }
html[data-accent] .frame::after { border-color: rgba(var(--accent-rgb), .35); }
html[data-accent] .terminal { box-shadow: 0 30px 80px -30px rgba(var(--accent-rgb), .3); }

/* scroll progress */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 120; transform: scaleX(0); transform-origin: 0 50%; background: linear-gradient(90deg, var(--accent), var(--signal), var(--accent)); pointer-events: none; }

/* cursor spotlight */

/* section numbering */
body { counter-reset: sec; }
.section .eyebrow.mono { counter-increment: sec; }
.section .eyebrow.mono::before { content: counter(sec, decimal-leading-zero) " / "; color: var(--signal); }

/* hand-drawn underline on headings */
.section h2 { position: relative; padding-bottom: 18px; }
.section h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 150px; height: 12px; background: var(--signal); transform: scaleX(0); transform-origin: 0 50%; transition: transform .9s cubic-bezier(.2,.8,.2,1) .25s;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 150 12'%3E%3Cpath d='M2 8 Q 14 1 26 7 T 50 7 T 74 7 T 98 7 T 122 7 T 148 6' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") center / 100% 100% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 150 12'%3E%3Cpath d='M2 8 Q 14 1 26 7 T 50 7 T 74 7 T 98 7 T 122 7 T 148 6' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") center / 100% 100% no-repeat; }
.section h2.is-in::after { transform: scaleX(1); }

/* floating shapes in hero */
.hero .hero-grid, .hero .scroll-hint { position: relative; z-index: 2; }
.hero-grid { position: relative; }


/* magnetic + glare */
.btn, .theme-btn, .accent-btn { will-change: transform; }
.card, .project, .stat { position: relative; }
.card::after, .project::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s; background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--accent-rgb), .16), transparent 60%); }
.card:hover::after, .project:hover::after { opacity: 1; }

/* click burst */

/* accent picker */
.accent-wrap { position: relative; order: 3; flex: 0 0 auto; }
.accent-btn { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--panel); display: inline-grid; place-items: center; cursor: pointer; padding: 0; transition: border-color .2s, transform .2s; }
.accent-btn:hover { border-color: var(--accent); transform: rotate(-18deg); }
.accent-btn i { width: 20px; height: 20px; border-radius: 50%; background: conic-gradient(#5ce1e6, #a78bfa, #ff5fa8, #b6f24a, #5ce1e6); box-shadow: 0 0 0 2px var(--panel); }
.accent-pop { position: absolute; top: calc(100% + 12px); right: 0; display: none; gap: 10px; padding: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 40px -12px rgba(0,0,0,.5); z-index: 60; }
.accent-pop.is-open { display: flex; }
.accent-pop button { width: 28px; height: 28px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; outline: 0; transition: transform .15s; }
.accent-pop button:hover { transform: scale(1.18); }
.accent-pop button[aria-pressed="true"] { border-color: var(--text); }
@media (max-width: 900px) { .accent-wrap { order: 2; } .accent-btn, .theme-btn { width: 38px; height: 38px; } .accent-pop { right: -40px; } }


/* ===== Extraordinary layer ===== */
/* preloader */
html.pre-on::before { content: ""; position: fixed; inset: 0; z-index: 290; background: var(--bg); animation: preFail 0s 4.5s forwards; }
@keyframes preFail { to { opacity: 0; visibility: hidden; } }
html.pre-lock, html.pre-lock body { overflow: hidden; }
#pre { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: var(--bg); border-bottom-left-radius: 0; border-bottom-right-radius: 0; will-change: transform; }
#pre .pre-in { display: grid; justify-items: center; gap: 22px; }
#pre .pre-logo { height: 88px; width: auto; clip-path: inset(0 100% 0 0); animation: preReveal 1s .1s cubic-bezier(.7,0,.2,1) forwards; }
@keyframes preReveal { to { clip-path: inset(0 0 0 0); } }
#pre .pre-count { font: 700 clamp(2.4rem, 8vw, 4.4rem)/1 var(--font-display); color: var(--text); font-variant-numeric: tabular-nums; }
#pre .pre-count small { font-size: .35em; color: var(--accent); margin-left: 4px; }
#pre .pre-line { width: min(260px, 60vw); height: 3px; background: var(--line); border-radius: 3px; overflow: hidden; }
#pre .pre-line i { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: 0 50%; background: linear-gradient(90deg, var(--accent), var(--signal)); }
#pre .pre-tag { font: 500 .72rem var(--font-mono); letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }

/* aurora + grain */
.aurora { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.aurora i { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .17; will-change: transform; animation: auro 18s ease-in-out infinite alternate; }
.aurora i:nth-child(1) { width: 46vw; height: 46vw; left: -10vw; top: -14vw; background: rgb(var(--accent-rgb)); }
.aurora i:nth-child(2) { width: 38vw; height: 38vw; right: -8vw; top: 6vw; background: var(--signal); animation-duration: 23s; opacity: .11; }
.aurora i:nth-child(3) { width: 34vw; height: 34vw; left: 32vw; bottom: -16vw; background: #8b5cf6; animation-duration: 27s; opacity: .13; }
@keyframes auro { 0% { transform: translate(0,0) scale(1) rotate(0); border-radius: 50% 45% 55% 50%; } 50% { transform: translate(6vw,4vw) scale(1.18) rotate(60deg); border-radius: 40% 60% 45% 55%; } 100% { transform: translate(-4vw,7vw) scale(.92) rotate(140deg); border-radius: 55% 45% 60% 40%; } }
html[data-theme="light"] .aurora i { opacity: .13; }
html[data-theme="light"] .aurora i:nth-child(2) { opacity: .09; }
html[data-theme="light"] .aurora i:nth-child(3) { opacity: .09; }

/* project cursor label */
.cursor::after { content: attr(data-label); position: absolute; inset: 0; display: grid; place-items: center; font: 700 .7rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); opacity: 0; transition: opacity .2s; }
.cursor.is-project { width: 92px; height: 92px; margin: -46px 0 0 -46px; background: var(--accent); border-color: transparent; mix-blend-mode: normal; opacity: 1; }
.cursor.is-project::after { opacity: 1; }

/* footer signature */
.signature { padding-top: 24px; padding-bottom: 6px; overflow: hidden; display: flex; flex-wrap: wrap; justify-content: center; gap: 0 .32em; font: 800 clamp(1.7rem, 6.8vw, 7.2rem)/1.08 var(--font-display); text-transform: uppercase; letter-spacing: -.02em; user-select: none; }
.signature .w { display: inline-flex; }
.signature .l { display: inline-block; color: rgba(var(--accent-rgb), .09); transform: translateY(110%); transition: transform .8s cubic-bezier(.2,.9,.2,1), color .25s; transition-delay: calc(var(--i) * 45ms), 0s, 0s; }
.signature.is-in .l { transform: translateY(0); }
.signature .l:hover { color: var(--accent); transition-delay: 0s; transform: translateY(-8px); }
.footer { overflow: hidden; }



/* Techy brand name: <Shoaib Ansary /> */
.brand > span { display: inline-flex; align-items: baseline; gap: .3em; white-space: nowrap; font: 400 1rem/1 var(--font-mono); letter-spacing: 0; }
.brand > span::before { content: "<"; font: 700 1.28rem/1 var(--font-mono); color: var(--accent); margin-right: .12em; transition: transform .25s; }
.brand > span::after { content: "/>"; font: 700 1.22rem/1 var(--font-mono); color: var(--signal); margin-left: .1em; transition: transform .25s; }
.brand:hover > span::before { transform: translateX(-3px); }
.brand:hover > span::after { transform: translateX(3px); }
.bn-a { font: italic 800 1.5rem/1 "Exo 2", "Segoe UI", system-ui, sans-serif; letter-spacing: .02em; color: var(--text); }
.bn-b { font: 700 1.28rem/1 "JetBrains Mono", Consolas, ui-monospace, monospace; letter-spacing: -.02em; color: var(--accent); position: relative; }
.bn-b::after { content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); transform: scaleX(.35); transform-origin: 0 50%; transition: transform .35s; }
.brand:hover .bn-b::after { transform: scaleX(1); }
@media (max-width: 520px) { .brand > span::before, .brand > span::after { display: none; } .bn-a { font-size: 1.24rem; } .bn-b { font-size: 1.08rem; } }

/* ===== Advanced layer: command palette, side dots, clock, toast ===== */
.qk-hint { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: var(--muted); font: 500 .74rem var(--font-mono); cursor: pointer; transition: border-color .2s, color .2s, transform .2s; }
.qk-hint:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }
.qk-hint kbd, .qk-foot kbd { font: 700 .7rem var(--font-mono); padding: 2px 6px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); }
@media (hover: none) { .qk-hint kbd { display: none; } }

.qk { position: fixed; inset: 0; z-index: 400; display: none; align-items: flex-start; justify-content: center; padding: 14vh 16px 16px; background: rgba(4, 7, 12, .62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
html[data-theme="light"] .qk { background: rgba(15, 27, 42, .35); }
.qk.is-open { display: flex; animation: qkfade .18s ease-out; }
@keyframes qkfade { from { opacity: 0; } }
.qk-box { width: min(620px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(var(--accent-rgb), .12); overflow: hidden; animation: qkpop .22s cubic-bezier(.2,.9,.3,1.2); }
@keyframes qkpop { from { transform: translateY(-10px) scale(.97); opacity: 0; } }
.qk-input { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--line); color: var(--accent); font: 700 1rem var(--font-mono); }
.qk-input input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; color: var(--text); font: 500 1rem var(--font-mono); }
.qk-input input::placeholder { color: var(--muted); }
.qk-list { max-height: min(46vh, 380px); overflow: auto; padding: 8px; margin: 0; list-style: none; }
.qk-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 12px; border-radius: 10px; cursor: pointer; color: var(--text); font-size: .94rem; }
.qk-item small { color: var(--muted); font: 500 .68rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.qk-item.is-active { background: rgba(var(--accent-rgb), .14); }
.qk-item.is-active small { color: var(--accent); }
.qk-empty { padding: 22px; text-align: center; color: var(--muted); font: 500 .85rem var(--font-mono); }
.qk-foot { display: flex; gap: 16px; flex-wrap: wrap; padding: 10px 16px; border-top: 1px solid var(--line); color: var(--muted); font: 500 .72rem var(--font-mono); }


.clock-chip { display: inline-flex; align-items: center; gap: 8px; font: 500 .8rem var(--font-mono); color: var(--muted); }
.clock-chip i { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 10px #34d399; animation: clkp 2s infinite; }
@keyframes clkp { 50% { opacity: .35; } }

.toast { position: fixed; left: 50%; bottom: 28px; z-index: 450; transform: translate(-50%, 30px); opacity: 0; padding: 12px 18px; border-radius: 12px; background: var(--panel); border: 1px solid var(--accent); color: var(--text); font: 500 .85rem var(--font-mono); box-shadow: 0 16px 40px -12px rgba(0,0,0,.5); transition: transform .35s cubic-bezier(.2,.9,.3,1.2), opacity .3s; pointer-events: none; max-width: calc(100vw - 32px); }
.toast.is-on { transform: translate(-50%, 0); opacity: 1; }
@keyframes rainbow { to { filter: hue-rotate(360deg); } }
html.rainbow { animation: rainbow 2.4s linear 2; }
@media (max-width: 640px) { .qk-hint { right: 12px; bottom: 12px; padding: 8px 12px; } .qk { padding-top: 10vh; } }
.cursor { z-index: 500; }
.qk, .qk * { cursor: auto; }
.qk-item, .qk-hint { cursor: pointer; }
.qk-hint.is-away { opacity: 0; pointer-events: none; transform: translateY(10px); }

/* ===== Lite mode (phones / weaker devices): drop the expensive effects ===== */
html.lite .aurora { display: none !important; }
html.lite .card::after, html.lite .project::after { display: none; }
html.lite .qk-hint { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--panel); }
html.lite .qk { backdrop-filter: none; -webkit-backdrop-filter: none; }
html.lite .nav.is-scrolled::before { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(7, 10, 15, .96); }
html.lite[data-theme="light"] .nav.is-scrolled::before { background: rgba(244, 247, 251, .97); }
html.lite .scroll-progress { will-change: auto; }
/* project cursor: softer in dark mode */
html:not([data-theme="light"]) .cursor.is-project { background: rgba(var(--accent-rgb), .22); border: 1px solid rgba(var(--accent-rgb), .7); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
html:not([data-theme="light"]) .cursor.is-project::after { color: var(--text); }