/* =============================================================
   Shubh Patel — Portfolio
   Design tokens → reset → primitives → sections → responsive
   ============================================================= */

:root {
  /* Surfaces */
  --bg: #07080a;
  --bg-alt: #090b0e;
  --surface: #0d0f13;
  --surface-2: #12151b;
  --line: rgba(255, 255, 255, .075);
  --line-2: rgba(255, 255, 255, .14);

  /* Type colours */
  --text: #eceef1;
  --text-2: #b6bcc6;
  --muted: #878e9a;
  --faint: #5c636e;

  /* Accent */
  --accent: #6c8cff;
  --accent-hi: #93a9ff;
  --accent-2: #9d7bff;
  --accent-soft: rgba(108, 140, 255, .13);
  --accent-line: rgba(108, 140, 255, .32);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Instrument Serif', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Geometry */
  --nav-h: 68px;
  --container: 1280px;
  --pad: clamp(1rem, 4vw, 3rem);
  --r-xs: 7px;
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* Motion */
  --ease: cubic-bezier(.22, .75, .2, 1);
  --fast: .18s var(--ease);
  --slow: .5s var(--ease);
}

*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: -.005em;
  min-width: 320px;
  overflow-x: clip;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Ambient page wash — one fixed layer, no per-section gradients. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(108, 140, 255, .10), transparent 62%),
    radial-gradient(900px 520px at 96% 6%, rgba(157, 123, 255, .07), transparent 60%);
}

/* Interactive background canvas */
.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: .75;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.12; letter-spacing: -.025em; text-wrap: balance; }
p { text-wrap: pretty; }

::selection { background: rgba(108, 140, 255, .28); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: .75rem;
  left: 50%;
  translate: -50% -160%;
  z-index: 200;
  padding: .6rem 1.1rem;
  background: var(--accent);
  color: #06070a;
  font-weight: 600;
  font-size: .85rem;
  border-radius: 99px;
  transition: translate var(--fast);
}
.skip-link:focus-visible { translate: -50% 0; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------------------------------------------------------------
   Layout primitives
   --------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

main { position: relative; z-index: 1; }

.section { position: relative; padding-block: clamp(5rem, 8.5vw, 8.5rem); }
.section--tight { padding-block: clamp(4rem, 6.5vw, 6.25rem); }
.section-anchor { scroll-margin-top: calc(var(--nav-h) + 1.25rem); }

.section--alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, .012), rgba(255, 255, 255, 0) 55%), var(--bg-alt);
  border-block: 1px solid var(--line);
}

.center { display: flex; justify-content: center; margin-top: clamp(2rem, 4vw, 3rem); }

/* Section headers */
.eyebrow {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.eyebrow__num { color: var(--faint); }
.eyebrow__num::after {
  content: "";
  display: inline-block;
  width: 1.6rem;
  height: 1px;
  margin-left: .6rem;
  vertical-align: middle;
  background: var(--line-2);
}

.sec-title { font-size: clamp(1.85rem, 3.9vw, 3.05rem); }
.sec-title em, .cta__title em, .hero__headline em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -.01em;
  color: var(--accent-hi);
}

.sec-sub { color: var(--muted); font-size: clamp(.95rem, 1.15vw, 1.05rem); max-width: 46ch; }
.sec-sub--wide { max-width: 62ch; margin-top: 1.1rem; }

.sec-head { margin-bottom: clamp(2.5rem, 4.5vw, 4rem); max-width: 60ch; }
.sec-head--split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}
.sec-head--split .sec-sub { justify-self: end; }

/* Icons */
.icon {
  width: 1em;
  height: 1em;
  font-size: 1.05rem;
  flex: none;
  fill: none;
  stroke: currentColor;
}
.icon--brand { fill: currentColor; stroke: none; }

/* Buttons */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  --btn-bd: var(--line-2);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .82rem 1.35rem;
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: -.01em;
  white-space: nowrap;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bd);
  border-radius: 99px;
  transition: background var(--fast), border-color var(--fast), color var(--fast), transform var(--fast), box-shadow var(--fast);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .icon { font-size: .95rem; transition: transform var(--fast); }
.btn:hover .icon { transform: translate(2px, -2px); }
.btn:hover .icon--brand { transform: none; }

.btn--primary {
  --btn-bg: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --btn-fg: #ffffff;
  --btn-bd: rgba(255, 255, 255, .28);
  font-weight: 600;
  box-shadow: 0 10px 30px -8px rgba(168, 85, 247, .75), 0 0 20px -4px rgba(99, 102, 241, .5), inset 0 1px 0 rgba(255, 255, 255, .4);
}
.btn--primary:hover {
  box-shadow: 0 18px 40px -8px rgba(168, 85, 247, .95), 0 0 35px -2px rgba(129, 140, 248, .75);
  transform: translateY(-2px);
}

.btn--outline { --btn-bd: var(--line-2); }
.btn--outline:hover { --btn-bg: rgba(255, 255, 255, .05); --btn-bd: rgba(255, 255, 255, .26); }

.btn--ghost { --btn-bd: var(--line); --btn-bg: rgba(255, 255, 255, .022); color: var(--text-2); }
.btn--ghost:hover { color: var(--text); --btn-bd: var(--line-2); }

.btn--sm { padding: .58rem 1rem; font-size: .84rem; }
.btn--lg { padding: .95rem 1.6rem; font-size: .97rem; }
.btn--full { width: 100%; }

/* Chips, tags, small type */
.chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.chips li {
  padding: .34rem .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .01em;
  color: var(--text-2);
  background: rgba(255, 255, 255, .028);
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  transition: color var(--fast), border-color var(--fast), background var(--fast);
}
.chips li:hover { color: var(--accent-hi); border-color: var(--accent-line); background: var(--accent-soft); }
.chips--lg li { font-size: .765rem; padding: .4rem .78rem; }

.tag {
  display: inline-flex;
  align-items: center;
  padding: .5rem .85rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  border: 1px dashed var(--line-2);
  border-radius: 99px;
  color: var(--faint);
}

.mini-head {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 2rem 0 .95rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .92rem;
  font-weight: 500;
  color: var(--accent-hi);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--accent-line);
  transition: border-color var(--fast), color var(--fast);
}
.link-arrow:hover { border-color: var(--accent-hi); }
.link-arrow .icon { transition: transform var(--fast); }
.link-arrow:hover .icon { transform: translateX(3px); }

.prose p { color: var(--text-2); font-size: clamp(.98rem, 1.1vw, 1.06rem); }
.prose p + p { margin-top: 1.15rem; }
.prose strong { color: var(--text); font-weight: 600; }

/* ---------------------------------------------------------------
   Scroll reveal + pointer glow
   --------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .68s var(--ease), transform .68s var(--ease);
  transition-delay: calc(var(--i, 0) * 55ms);
}
.reveal.is-visible { opacity: 1; transform: none; }
.js-off .reveal { opacity: 1; transform: none; }

/* Cards inside [data-glow] get a cursor-tracked highlight. */
[data-glow] > * { position: relative; isolation: isolate; }
[data-glow] > *::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  pointer-events: none;
  transition: opacity .35s var(--ease);
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(108, 140, 255, .16), transparent 68%);
}
[data-glow] > *:hover::after { opacity: 1; }

/* ---------------------------------------------------------------
   Navigation
   --------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 2px;
  z-index: 120;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px rgba(108, 140, 255, .6);
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--slow), border-color var(--slow), backdrop-filter var(--slow);
}
.nav.is-stuck {
  background: rgba(7, 8, 10, .74);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: flex; align-items: center; gap: .7rem; flex: none; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  font-family: var(--font-sans);
  font-size: .98rem;
  font-weight: 700;
  color: #06070c;
  background: linear-gradient(160deg, #8ba3ff, #5a7bf5);
  transition: transform var(--fast), box-shadow var(--fast);
}
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.06); box-shadow: 0 6px 20px -8px rgba(108, 140, 255, .9); }
.brand__text { display: grid; line-height: 1.2; }
.brand__text b { font-size: .93rem; font-weight: 600; letter-spacing: -.015em; }
.brand__text i {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .625rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}

.nav__links { display: flex; align-items: center; gap: .15rem; }
.nav__link {
  position: relative;
  padding: .5rem .75rem;
  font-size: .875rem;
  color: var(--muted);
  border-radius: 8px;
  transition: color var(--fast);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: .18rem;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  translate: -50% 0;
  background: var(--accent);
  opacity: 0;
  scale: .4;
  transition: opacity var(--fast), scale var(--fast);
}
.nav__link:hover { color: var(--text); }
.nav__link.is-active { color: var(--text); }
.nav__link.is-active::after { opacity: 1; scale: 1; }

.nav__end { display: flex; align-items: center; gap: .75rem; flex: none; }
.nav__mobile-cta { display: none; }
.nav__drawer-header { display: none; }
.nav__drawer-socials { display: none; }
.nav__items { display: contents; }
.nav__link-num { display: none; }
.mobile-dock { display: none; }

.burger {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  background: rgba(255, 255, 255, .03);
  transition: border-color var(--fast), background var(--fast);
  z-index: 1001;
}
.burger:hover { background: rgba(255, 255, 255, .08); }
.burger span {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  translate: -50% 0;
  transition: translate .3s var(--ease), rotate .3s var(--ease), width .3s var(--ease);
}
.burger span:first-child { top: 16px; }
.burger span:last-child { top: 23px; width: 13px; }
.burger[aria-expanded="true"] span:first-child { translate: -50% 3.5px; rotate: 45deg; width: 18px; }
.burger[aria-expanded="true"] span:last-child { translate: -50% -3.5px; rotate: -45deg; width: 18px; }

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(4, 5, 8, .75);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
.nav-scrim.is-open { opacity: 1; pointer-events: auto; }

/* ---------------------------------------------------------------
   Hero
   --------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(3rem, 7vw, 6rem));
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(120% 85% at 50% 0%, #000 5%, transparent 72%);
}
.hero__glow { position: absolute; border-radius: 50%; filter: blur(95px); pointer-events: none; will-change: transform; }
.hero__glow--a {
  width: 50vw;
  height: 50vw;
  left: -12vw;
  top: -12vw;
  background: radial-gradient(closest-side, rgba(108, 140, 255, .28), transparent 70%);
  animation: floatGlowA 20s ease-in-out infinite alternate;
}
.hero__glow--b {
  width: 42vw;
  height: 42vw;
  right: -8vw;
  top: 10vh;
  background: radial-gradient(closest-side, rgba(168, 85, 247, .22), rgba(6, 182, 212, .12), transparent 70%);
  animation: floatGlowB 24s ease-in-out infinite alternate;
}
@keyframes floatGlowA {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(4vw, 5vh) scale(1.06); }
  100% { transform: translate(-3vw, 3vh) scale(0.96); }
}
@keyframes floatGlowB {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5vw, -4vh) scale(1.08); }
  100% { transform: translate(3vw, 4vh) scale(0.94); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .74fr);
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .44rem 1.05rem .44rem .8rem;
  font-family: var(--font-mono);
  font-size: .71rem;
  font-weight: 500;
  letter-spacing: .085em;
  text-transform: uppercase;
  color: #f1f5f9;
  background: rgba(13, 16, 23, .88);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(74, 222, 128, .35);
  border-radius: 99px;
  box-shadow: 0 4px 20px -4px rgba(74, 222, 128, .25), inset 0 1px 0 rgba(255, 255, 255, .1);
}
.status__dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 10px #22c55e;
}
.status__dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(74, 222, 128, .55);
  animation: ping 2.4s var(--ease) infinite;
}
@keyframes ping { 0% { opacity: .9; scale: .55; } 70%, 100% { opacity: 0; scale: 1.5; } }

.hero__title { margin: 1.6rem 0 0; display: grid; gap: .85rem; }
.hero__name {
  font-size: clamp(2.7rem, 7.2vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: .95;
  background: linear-gradient(135deg, #ffffff 15%, #a5b4fc 55%, #c084fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 25px rgba(168, 85, 247, 0.35));
}
.hero__role {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: .35rem .95rem;
  background: rgba(129, 140, 248, .12);
  border: 1px solid rgba(129, 140, 248, .4);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: clamp(.7rem, 1.1vw, .82rem);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #c7d2fe;
  box-shadow: 0 0 25px -4px rgba(129, 140, 248, .45), inset 0 1px 0 rgba(255, 255, 255, .15);
}
.hero__role i { color: var(--faint); font-style: normal; margin-inline: .2rem; }

.hero__headline {
  margin-top: 1.85rem;
  font-size: clamp(1.25rem, 2.15vw, 1.85rem);
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: -.022em;
  color: var(--text);
  max-width: 24ch;
}
.hero__headline em { font-size: 1.08em; }

.hero__lead {
  margin-top: 1.35rem;
  max-width: 56ch;
  color: var(--muted);
  font-size: clamp(.95rem, 1.1vw, 1.045rem);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.1rem; }

.hero__social { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.social {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .85rem;
  font-size: .82rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(255, 255, 255, .018);
  transition: color var(--fast), border-color var(--fast), background var(--fast), transform var(--fast);
}
.social:hover {
  color: var(--text);
  border-color: var(--accent-line);
  background: var(--accent-soft);
  transform: translateY(-2px);
}
.social .icon { font-size: .95rem; color: var(--text-2); }
.social:hover .icon { color: var(--accent-hi); }

.specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(3rem, 6vw, 5rem);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--line);
  overflow: hidden;
}
.specs__item { padding: 1.15rem 1.4rem; background: var(--bg); }
.specs dt {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: .4rem;
}
.specs dd { font-size: .9rem; color: var(--text-2); font-weight: 500; }
.specs dd i, .footer__role i { color: var(--faint); font-style: normal; margin-inline: .18rem; }

/* Hero visual: editorial portrait */
.hero__visual { position: relative; display: flex; justify-content: flex-end; }

.portrait { position: relative; z-index: 1; width: min(100%, 500px); margin: 0; }
.portrait::before {
  content: "";
  position: absolute;
  inset: -4% -6% -4% -6%;
  z-index: -1;
  border-radius: var(--r-xl);
  background: radial-gradient(circle at 50% 50%, rgba(108, 140, 255, .35), rgba(157, 123, 255, .22), transparent 70%);
  filter: blur(32px);
  animation: haloPulse 6s ease-in-out infinite alternate;
}
@keyframes haloPulse {
  0% { opacity: .7; transform: scale(.97); }
  100% { opacity: 1; transform: scale(1.03); }
}
.portrait__frame {
  position: relative;
  aspect-ratio: 1290 / 1219;
  border-radius: var(--r-xl);
  border: 1px solid var(--line-2);
  background: #08090d;
  overflow: hidden;
  box-shadow: 0 40px 90px -46px rgba(0, 0, 0, .95), inset 0 1px 0 rgba(255, 255, 255, .07);
}
.portrait__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  background: #08090d;
  transition: transform 1.1s var(--ease), filter .6s var(--ease);
}
.portrait:hover .portrait__frame img { transform: scale(1.025); }
.portrait__scrim { display: none; }

.tick { position: absolute; width: 15px; height: 15px; opacity: .75; }
.tick--tl { top: 14px; left: 14px; border-top: 1px solid var(--accent-hi); border-left: 1px solid var(--accent-hi); }
.tick--tr { top: 14px; right: 14px; border-top: 1px solid var(--accent-hi); border-right: 1px solid var(--accent-hi); }
.tick--bl { bottom: 14px; left: 14px; border-bottom: 1px solid var(--accent-hi); border-left: 1px solid var(--accent-hi); }
.tick--br { bottom: 14px; right: 14px; border-bottom: 1px solid var(--accent-hi); border-right: 1px solid var(--accent-hi); }

.portrait__caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: .85rem;
  border-top: 1px solid var(--line);
}
.portrait__name { font-size: .9rem; font-weight: 600; letter-spacing: -.015em; }
.portrait__meta {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  text-align: right;
}


/* ---------------------------------------------------------------
   Tech ticker
   --------------------------------------------------------------- */
.ticker {
  position: relative;
  overflow: hidden;
  padding-block: 1.05rem;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, .014);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.ticker__track { display: flex; width: max-content; animation: marquee 44s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__set { display: flex; align-items: center; flex: none; }
.ticker__set b {
  font-family: var(--font-mono);
  font-size: .755rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.ticker__set i { width: 4px; height: 4px; margin-inline: 1.6rem; border-radius: 50%; background: var(--accent-line); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------------------------------------------------------------
   About
   --------------------------------------------------------------- */
.about {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(2.25rem, 5vw, 5rem);
  align-items: start;
}
.about__aside { position: sticky; top: calc(var(--nav-h) + 2rem); }

.about__photo {
  position: relative;
  margin: 0 0 1.5rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-2);
  overflow: hidden;
  background: #08090d;
  box-shadow: 0 30px 70px -50px rgba(0, 0, 0, .95);
}
.about__photo::after {
  display: none;
}
.about__photo img {
  width: 100%;
  aspect-ratio: 1290 / 1219;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  background: #08090d;
  transition: transform .6s var(--ease);
}
.about__photo:hover img {
  transform: scale(1.02);
}

.facts { border-top: 1px solid var(--line); }
.facts > div {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
}
.facts dt {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: .15rem;
}
.facts dd { font-size: .875rem; color: var(--text-2); }

.about__pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.25rem; }
.about__pills li {
  padding: .42rem .85rem;
  font-size: .8rem;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(255, 255, 255, .02);
}
.about__cta { margin-top: 2.25rem; }

/* ---------------------------------------------------------------
   Core expertise
   --------------------------------------------------------------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 18px 45px -15px rgba(0, 0, 0, .6);
}
.xcard {
  padding: clamp(1.5rem, 2.2vw, 2rem);
  background: #090b10;
  transition: background var(--fast);
}
.xcard:hover {
  background: linear-gradient(180deg, rgba(108, 140, 255, .08) 0%, #0d1017 100%);
}
.xcard__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--faint);
  margin-bottom: 2.4rem;
  transition: color var(--slow);
}
.xcard:hover .xcard__num { color: var(--accent); }
.xcard h3 { font-size: 1.075rem; margin-bottom: .7rem; }
.xcard p { font-size: .875rem; color: var(--muted); line-height: 1.6; }

/* ---------------------------------------------------------------
   Projects
   --------------------------------------------------------------- */
.project {
  position: relative;
  padding-block: clamp(2rem, 4vw, 3.5rem);
}
.project .container {
  position: relative;
  padding: clamp(2rem, 3.8vw, 3.5rem);
  background: linear-gradient(180deg, rgba(255, 255, 255, .05) 0%, rgba(13, 16, 23, .92) 100%);
  border: 1px solid rgba(129, 140, 248, .3);
  border-top: 2px solid #818cf8;
  border-radius: var(--r-xl);
  box-shadow: 0 30px 70px -18px rgba(0, 0, 0, .9), 0 0 45px -8px rgba(99, 102, 241, .3);
  backdrop-filter: blur(20px);
  transition: transform var(--slow), border-color var(--slow), box-shadow var(--slow);
}
.project:hover .container {
  border-color: rgba(168, 85, 247, .5);
  border-top-color: #a855f7;
  box-shadow: 0 35px 85px -18px rgba(0, 0, 0, .95), 0 0 65px -5px rgba(168, 85, 247, .4);
}
.project + .project { border-top: none; }

.project__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
  padding-bottom: clamp(1.75rem, 3vw, 2.5rem);
}
.project__index {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 500;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-2);
}
.project__cat {
  font-family: var(--font-mono);
  font-size: .69rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .7rem;
}
.project__cat i { color: var(--faint); font-style: normal; }
.project__title { font-size: clamp(2rem, 4.4vw, 3.4rem); letter-spacing: -.038em; }
.project__tagline { margin-top: .55rem; font-size: clamp(.98rem, 1.3vw, 1.12rem); color: var(--text-2); }
.project__links { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: flex-end; padding-top: .35rem; }

.project__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.project--flip .project__main { order: 2; }
.project--flip .project__visual { order: 1; }

.project__desc { font-size: clamp(1rem, 1.25vw, 1.12rem); color: var(--text-2); line-height: 1.68; }

.kv {
  margin-top: 1.75rem;
  padding: 1.15rem 1.3rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent-line);
  border-radius: 0 var(--r) var(--r) 0;
  background: rgba(108, 140, 255, .045);
}
.kv__k {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .45rem;
}
.kv__v { font-size: .9rem; color: var(--text-2); }

.feats { display: grid; gap: .55rem; }
.feats li {
  position: relative;
  padding-left: 1.5rem;
  font-size: .9rem;
  color: var(--muted);
}
.feats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent-line);
  border-radius: 2px;
  rotate: 45deg;
  transition: background var(--fast);
}
.feats li:hover { color: var(--text-2); }
.feats li:hover::before { background: var(--accent); }

/* Architecture / pipeline diagrams (pure HTML + CSS) */
.project__visual { position: sticky; top: calc(var(--nav-h) + 2rem); }
.diagram {
  padding: clamp(1.1rem, 2vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(108, 140, 255, .07), transparent 62%),
    var(--surface);
  box-shadow: 0 30px 70px -55px rgba(0, 0, 0, .9);
}

.diagram__cap {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
  padding-bottom: 1.1rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px dashed var(--line);
}
.diagram__cap span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.dg { display: grid; }
.dg__tenants { display: flex; gap: .4rem; justify-content: center; flex-wrap: wrap; }
.dg__tag {
  padding: .3rem .6rem;
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .05em;
  color: var(--muted);
  border: 1px dashed var(--line-2);
  border-radius: 99px;
}
.dg__link { position: relative; height: 40px; display: grid; place-items: center; }
.dg__link::before {
  content: "";
  position: absolute;
  inset-block: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-2) 20%, var(--line-2) 80%, transparent);
}
.dg__link b {
  position: relative;
  padding: .18rem .55rem;
  font-family: var(--font-mono);
  font-size: .6rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 99px;
}
.dg__link--fork b { color: var(--accent-hi); border-color: var(--accent-line); }

.dg__box {
  padding: .8rem .85rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .022);
  text-align: center;
  transition: border-color var(--fast), background var(--fast), transform var(--fast);
}
.dg__box:hover { border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-2px); }
.dg__box b { display: block; font-size: .8rem; font-weight: 600; letter-spacing: -.01em; }
.dg__box i {
  display: block;
  margin-top: .25rem;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: .615rem;
  letter-spacing: .04em;
  color: var(--faint);
}

.dg__box--primary {
  border-color: var(--accent-line);
  background:
    linear-gradient(180deg, rgba(108, 140, 255, .12), rgba(108, 140, 255, .04)),
    var(--surface-2);
  box-shadow: 0 0 0 1px rgba(108, 140, 255, .1), 0 14px 34px -22px rgba(108, 140, 255, .55);
  padding: .95rem;
}
.dg__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent-hi);
  margin-bottom: .7rem;
}
.dg__inner { display: flex; flex-wrap: wrap; justify-content: center; gap: .35rem; }
.dg__inner span {
  padding: .28rem .55rem;
  font-family: var(--font-mono);
  font-size: .655rem;
  color: var(--text-2);
  background: rgba(6, 7, 10, .55);
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
}
.dg__box--loop { position: relative; }
.dg__box--loop::after {
  content: "loop";
  position: absolute;
  top: -.55rem;
  right: .8rem;
  padding: .1rem .45rem;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #06070c;
  background: var(--accent-hi);
  border-radius: 99px;
}

.dg__row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; }
.dg__row--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dg__foot {
  margin-top: 1.1rem;
  padding-top: .9rem;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: .625rem;
  letter-spacing: .06em;
  color: var(--faint);
  text-align: center;
}
.dg__foot i { font-style: normal; color: var(--line-2); }

/* Case study disclosure */
.case {
  margin-top: clamp(2rem, 3.5vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .016);
  overflow: hidden;
}
.case__summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem clamp(1.1rem, 2vw, 1.5rem);
  cursor: pointer;
  list-style: none;
  transition: background var(--fast);
}
.case__summary::-webkit-details-marker { display: none; }
.case__summary:hover { background: rgba(255, 255, 255, .028); }
.case__summary-label { font-size: .95rem; font-weight: 600; letter-spacing: -.015em; }
.case__summary-label::before { content: "◇  "; color: var(--accent); }
.case__summary-hint {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-left: auto;
}
.case__chevron {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  rotate: 45deg;
  translate: 0 -2px;
  transition: rotate .3s var(--ease), border-color var(--fast);
}
.case__summary:hover .case__chevron { border-color: var(--accent-hi); }
.case[open] .case__chevron { rotate: -135deg; translate: 0 2px; }

.case__body { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); animation: caseIn .4s var(--ease); }
@keyframes caseIn { from { opacity: 0; translate: 0 -8px; } }
.case__step { padding: clamp(1.1rem, 1.8vw, 1.5rem); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.case__step:nth-child(3n + 1) { border-left: 0; }
.case__k {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .6rem;
}
.case__v { font-size: .875rem; color: var(--muted); line-height: 1.62; }
.case__step--out { background: rgba(108, 140, 255, .05); }
.case__step--out .case__k { color: var(--accent-hi); }
.case__step--out .case__v { color: var(--text-2); }

/* ---------------------------------------------------------------
   Open-source repository index
   --------------------------------------------------------------- */
.repos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 18px 45px -15px rgba(0, 0, 0, .65);
}
.repo { background: #090b10; transition: background var(--fast); }
.repo__link {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  height: 100%;
  padding: 1.4rem 1.5rem;
  transition: background var(--fast);
}
.repo__link:hover { background: linear-gradient(180deg, rgba(108, 140, 255, .07) 0%, #0d1017 100%); }
.repo__name {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .93rem;
  font-weight: 500;
  letter-spacing: -.01em;
}
.repo__name .icon { font-size: .85rem; color: var(--faint); transition: transform var(--fast), color var(--fast); }
.repo__link:hover .repo__name .icon { color: var(--accent-hi); transform: translate(2px, -2px); }
.repo__desc { font-size: .855rem; color: var(--muted); line-height: 1.58; }
.repo__meta {
  display: flex;
  align-items: center;
  gap: .45rem;
  margin-top: auto;
  padding-top: .35rem;
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .07em;
  color: var(--faint);
}
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot--ts { background: #3178c6; }
.dot--js { background: #f1e05a; }
.dot--py { background: #3572a5; }
.dot--kt { background: #a97bff; }
.dot--css { background: #663399; }

/* ---------------------------------------------------------------
   Tech stack
   --------------------------------------------------------------- */
.stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.9rem, 1.6vw, 1.25rem);
}
.stack__group {
  padding: clamp(1.4rem, 2.2vw, 2rem);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, .035) 0%, rgba(13, 16, 23, .85) 100%);
  box-shadow: 0 12px 30px -15px rgba(0, 0, 0, .55);
  backdrop-filter: blur(14px);
  transition: border-color var(--fast), transform var(--fast), box-shadow var(--fast);
}
.stack__group:hover {
  border-color: rgba(108, 140, 255, .45);
  transform: translateY(-4px);
  box-shadow: 0 18px 45px -12px rgba(108, 140, 255, .25);
}
.stack__group header { display: flex; align-items: baseline; gap: .7rem; }
.stack__num { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; color: var(--faint); }
.stack__group h3 { font-size: 1.075rem; }
.stack__note { margin: .6rem 0 1.15rem; font-size: .845rem; color: var(--muted); }

/* ---------------------------------------------------------------
   Capabilities rail
   --------------------------------------------------------------- */
.rail { border-top: 1px solid var(--line); }
.rail__item {
  position: relative;
  display: grid;
  grid-template-columns: 3.6rem minmax(0, .34fr) minmax(0, 1fr);
  grid-template-areas: "num title desc";
  align-items: start;
  gap: clamp(.8rem, 2.5vw, 2.5rem);
  padding: 1.6rem 1.25rem 1.6rem 1.25rem;
  border-bottom: 1px solid var(--line);
  transition: background var(--slow);
}
.rail__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity var(--fast);
}
.rail__item:hover { background: rgba(255, 255, 255, .018); }
.rail__item:hover::before { opacity: 1; }
.rail__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--faint);
  padding-top: .18rem;
  transition: color var(--fast);
}
.rail__item:hover .rail__num { color: var(--accent); }
.rail__item h3 { grid-area: title; font-size: 1.12rem; letter-spacing: -.028em; }
.rail__item p { grid-area: desc; font-size: .89rem; color: var(--muted); max-width: 66ch; }

/* ---------------------------------------------------------------
   Working process flow
   --------------------------------------------------------------- */
.flow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.flow__step { position: relative; padding: 2.4rem clamp(.8rem, 1.5vw, 1.4rem) .5rem 0; }
.flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 1px;
  background: var(--line-2);
}
.flow__step::after {
  content: "";
  position: absolute;
  left: 0;
  top: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--line-2);
  transition: background var(--fast), border-color var(--fast), scale var(--fast);
}
.flow__step:hover::after { background: var(--accent); border-color: var(--accent); scale: 1.25; }
.flow__i {
  display: block;
  font-family: var(--font-mono);
  font-size: .69rem;
  letter-spacing: .1em;
  color: var(--faint);
  margin-bottom: .7rem;
  transition: color var(--fast);
}
.flow__step:hover .flow__i { color: var(--accent); }
.flow__step h3 { font-size: 1.02rem; margin-bottom: .55rem; }
.flow__step p { font-size: .84rem; color: var(--muted); line-height: 1.58; }

/* ---------------------------------------------------------------
   Why work with me
   --------------------------------------------------------------- */
.why {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(2.25rem, 5vw, 5rem);
  align-items: start;
}
.why__lead { position: sticky; top: calc(var(--nav-h) + 2.5rem); }
.why__lead .sec-sub { margin: 1.35rem 0 2rem; }
.why__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.why__item { padding: clamp(1.3rem, 2vw, 1.7rem); background: var(--bg); transition: background var(--slow); }
.why__item:hover { background: var(--surface-2); }
.why__item h3 { font-size: 1rem; margin-bottom: .55rem; }
.why__item h3::before { content: "→ "; color: var(--accent); }
.why__item p { font-size: .855rem; color: var(--muted); line-height: 1.58; }

/* ---------------------------------------------------------------
   Certifications & profile
   --------------------------------------------------------------- */
.creds {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, .68fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
  align-items: start;
}

.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 1rem; }
.cert-card {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--fast), transform var(--fast);
}
.cert-card:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.cert-card__shot { position: relative; aspect-ratio: 4 / 3; background: var(--surface-2); overflow: hidden; }
.cert-card__shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.cert-card:hover .cert-card__shot img { transform: scale(1.05); }
.cert-card__body { padding: .95rem 1.05rem 1.1rem; }
.cert-card__title { font-size: .92rem; font-weight: 600; letter-spacing: -.015em; }
.cert-card__meta {
  margin-top: .35rem;
  font-family: var(--font-mono);
  font-size: .645rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}

.cert-empty {
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  border: 1px dashed var(--line-2);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, .014);
}
.cert-empty__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--accent-hi);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  margin-bottom: 1.25rem;
}
.cert-empty__icon .icon { font-size: 1.3rem; }
.cert-empty h3 { font-size: 1.2rem; margin-bottom: .7rem; }
.cert-empty p { font-size: .9rem; color: var(--muted); max-width: 58ch; margin-bottom: 1.35rem; }

.profile-card {
  padding: clamp(1.4rem, 2.4vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(130% 100% at 0% 0%, rgba(108, 140, 255, .1), transparent 58%),
    var(--surface);
}
.profile-card__glyph {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  color: var(--accent-hi);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-2);
  margin-bottom: 1.2rem;
}
.profile-card h3 { font-size: 1.12rem; margin-bottom: .65rem; }
.profile-card p { font-size: .875rem; color: var(--muted); margin-bottom: 1.4rem; }
.profile-card .btn + .btn { margin-top: .6rem; }

/* ---------------------------------------------------------------
   Contact CTA
   --------------------------------------------------------------- */
.cta {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: clamp(20px, 3vw, 34px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, 0) 45%),
    var(--surface);
  box-shadow: 0 50px 110px -70px rgba(108, 140, 255, .7);
}
.cta__glow {
  position: absolute;
  left: 50%;
  top: -55%;
  width: 70%;
  aspect-ratio: 1;
  translate: -50% 0;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(108, 140, 255, .3), transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.4rem, 5vw, 5rem);
  text-align: center;
  display: grid;
  justify-items: center;
}
.cta .eyebrow { justify-content: center; }
.cta__title { font-size: clamp(2.1rem, 5.4vw, 4rem); letter-spacing: -.04em; line-height: 1.06; }
.cta__text { margin-top: 1.35rem; max-width: 56ch; color: var(--text-2); font-size: clamp(.98rem, 1.2vw, 1.08rem); }
.cta__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .7rem; margin-top: 2.35rem; }

.cta__details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: 100%;
  max-width: 780px;
  margin-top: clamp(2.5rem, 5vw, 3.75rem);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--line);
  overflow: hidden;
  text-align: left;
}
.cta__details > div { padding: 1.1rem 1.25rem; background: var(--surface); }
.cta__details dt {
  font-family: var(--font-mono);
  font-size: .645rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: .4rem;
}
.cta__details dd { display: flex; align-items: center; gap: .5rem; font-size: .89rem; color: var(--text-2); }
.cta__details dd a { border-bottom: 1px solid transparent; transition: color var(--fast), border-color var(--fast); }
.cta__details dd a:hover { color: var(--accent-hi); border-bottom-color: var(--accent-line); }

.copy {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: none;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 7px;
  transition: color var(--fast), border-color var(--fast), background var(--fast);
}
.copy:hover { color: var(--accent-hi); border-color: var(--accent-line); background: var(--accent-soft); }
.copy .icon { font-size: .8rem; }

/* ---------------------------------------------------------------
   Footer
   --------------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-alt); position: relative; z-index: 1; }
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3rem) 2rem;
  padding-block: clamp(2.5rem, 4vw, 3.5rem);
  align-items: center;
}
.footer__name { font-size: 1.1rem; font-weight: 600; letter-spacing: -.02em; }
.footer__role {
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: .35rem;
}

.footer__links { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; justify-self: end; }
.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .855rem;
  color: var(--muted);
  transition: color var(--fast);
}
.footer__links a:hover { color: var(--accent-hi); }

.footer__meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--line);
  font-size: .8rem;
  color: var(--faint);
}
.footer__built { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .04em; }

/* ---------------------------------------------------------------
   Lightbox + toast
   --------------------------------------------------------------- */
.lightbox { position: fixed; inset: 0; z-index: 180; display: grid; place-items: center; padding: clamp(1rem, 4vw, 3rem); }
.lightbox[hidden] { display: none; }
.lightbox__backdrop { position: absolute; inset: 0; background: rgba(3, 4, 6, .88); backdrop-filter: blur(6px); }
.lightbox__panel {
  position: relative;
  width: min(100%, 980px);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow: hidden;
  animation: pop .28s var(--ease);
}
@keyframes pop { from { opacity: 0; scale: .97; } }
.lightbox__figure { margin: 0; display: flex; flex-direction: column; min-height: 0; }
.lightbox__figure img { width: 100%; max-height: 70vh; object-fit: contain; background: #050608; }
.lightbox__figure figcaption { padding: 1.1rem 1.35rem; border-top: 1px solid var(--line); }
.lightbox__figure h2 { font-size: 1.05rem; }
.lightbox__figure p {
  margin-top: .3rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}
.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(10, 12, 16, .85);
  border: 1px solid var(--line-2);
  color: var(--text);
  transition: background var(--fast), border-color var(--fast), transform var(--fast);
  z-index: 2;
}
.lightbox__close:hover {
  background: var(--surface-2);
  border-color: var(--accent-line);
  transform: scale(1.08);
}
.lightbox__nav {
  position: absolute;
  top: 50%;
  translate: 0 -50%;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(10, 12, 16, .85);
  border: 1px solid var(--line-2);
  color: var(--text);
  font-size: 1.4rem;
  line-height: 1;
  transition: background var(--fast), border-color var(--fast), transform var(--fast);
  z-index: 2;
}
.lightbox__nav:hover {
  background: var(--surface-2);
  border-color: var(--accent-line);
  transform: translateY(-50%) scale(1.08);
}
.lightbox__nav--prev { left: 1rem; }
.lightbox__nav--next { right: 1rem; }

.toast {
  position: fixed;
  bottom: 1.8rem;
  left: 50%;
  translate: -50% 120%;
  z-index: 190;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem 1.25rem;
  background: rgba(15, 18, 24, .95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--accent-line);
  border-radius: 99px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: .8rem;
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, .8), 0 0 20px -6px rgba(108, 140, 255, .4);
  opacity: 0;
  pointer-events: none;
  transition: translate .32s var(--ease), opacity .32s var(--ease);
}
.toast.is-shown {
  translate: -50% 0;
  opacity: 1;
}

/* ---------------------------------------------------------------
   Hover interaction isolation (prevent sticky hover on touch)
   --------------------------------------------------------------- */
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translateY(-2px); }
  .btn--primary:hover { box-shadow: 0 14px 34px -14px rgba(108, 140, 255, .9); }
  .btn--outline:hover { background: rgba(255, 255, 255, .05); border-color: rgba(255, 255, 255, .26); }
  .btn--ghost:hover { color: var(--text); border-color: var(--line-2); }
  .social:hover { color: var(--text); border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-2px); }
  .social:hover .icon { color: var(--accent-hi); }
  .portrait:hover .portrait__frame img { transform: scale(1.025); }
  .about__photo:hover img { transform: scale(1.02); }
  .dg__box:hover { border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-2px); }
  .repo__link:hover { background: var(--surface-2); }
  .repo__link:hover .repo__name .icon { color: var(--accent-hi); transform: translate(2px, -2px); }
  .stack__group:hover { border-color: var(--line-2); transform: translateY(-3px); }
  .why__item:hover { background: var(--surface-2); }
  .cert-card:hover { border-color: var(--accent-line); transform: translateY(-3px); }
  .cert-card:hover .cert-card__shot img { transform: scale(1.05); }
  .flow__step:hover::after { background: var(--accent); border-color: var(--accent); scale: 1.25; }
  .flow__step:hover .flow__i { color: var(--accent); }
  .rail__item:hover { background: rgba(255, 255, 255, .018); }
  .rail__item:hover::before { opacity: 1; }
  .rail__item:hover .rail__num { color: var(--accent); }
  .brand:hover .brand__mark { transform: rotate(-6deg) scale(1.06); box-shadow: 0 6px 20px -8px rgba(108, 140, 255, .9); }
  .copy:hover { color: var(--accent-hi); border-color: var(--accent-line); background: var(--accent-soft); }
}

/* ---------------------------------------------------------------
   Responsive media queries (320px to 1920px)
   --------------------------------------------------------------- */

/* Large screens (1440px and up) */
@media (min-width: 1440px) {
  :root {
    --container: 1360px;
  }
}

/* Small laptops & large tablets in landscape (<= 1080px) */
@media (max-width: 1080px) {
  .stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem 0; }
  .grid-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Tablet portrait & Mobile breakpoint (<= 900px) */
@media (max-width: 900px) {
  body {
    padding-bottom: 4.5rem;
  }
  .nav {
    padding-top: env(safe-area-inset-top, 0);
    height: calc(var(--nav-h) + env(safe-area-inset-top, 0));
  }
  .burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }
  .nav__cta { display: none; }
  .nav__mobile-cta {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    width: 100%;
  }
  .nav__mobile-cta .btn {
    width: 100%;
    min-height: 44px;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    height: 100vh;
    height: 100dvh;
    width: min(320px, 86vw);
    background: #090b10;
    border-left: 1px solid var(--line-2);
    box-shadow: -15px 0 50px rgba(0, 0, 0, 0.95);
    padding: 1.5rem 1.25rem calc(2rem + env(safe-area-inset-bottom, 0));
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: .45rem;
    translate: 100% 0;
    transition: translate .32s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1002;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav__links.is-open { translate: 0 0; }

  .nav__drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.25rem;
    margin-bottom: .6rem;
    border-bottom: 1px solid var(--line);
  }

  .nav__items {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    width: 100%;
  }

  .nav__link {
    width: 100%;
    min-height: 46px;
    display: flex;
    align-items: center;
    padding: .75rem 1.05rem;
    font-size: 1.02rem;
    font-weight: 500;
    color: #cad1dc;
    border-radius: 10px;
    background: rgba(255, 255, 255, .03);
    border: 1px solid transparent;
    transition: background var(--fast), color var(--fast), border-color var(--fast), transform var(--fast);
  }
  .nav__link:hover, .nav__link:active {
    color: #ffffff;
    background: rgba(108, 140, 255, .12);
    border-color: rgba(108, 140, 255, .3);
    transform: translateX(4px);
  }
  .nav__link.is-active {
    color: #ffffff;
    background: rgba(108, 140, 255, .18);
    border-color: rgba(108, 140, 255, .4);
    font-weight: 600;
  }
  .nav__link::after { display: none; }

  .nav__link-num {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .08em;
    color: var(--accent);
    margin-right: .75rem;
    padding: .15rem .4rem;
    background: rgba(108, 140, 255, .1);
    border-radius: 6px;
  }

  .nav__drawer-socials {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: .75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
  }
  .nav__drawer-socials a {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--line-2);
    color: var(--text-2);
    transition: all .2s ease;
  }
  .nav__drawer-socials a:hover, .nav__drawer-socials a:active {
    color: var(--accent-hi);
    border-color: var(--accent-line);
    background: var(--accent-soft);
    transform: scale(1.1);
  }

  /* Floating iOS-style Mobile Dock */
  .mobile-dock {
    position: fixed;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    left: 50%;
    translate: -50% 0;
    z-index: 120;
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .45rem;
    background: rgba(13, 16, 23, .9);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 99px;
    box-shadow: 0 16px 36px -10px rgba(0, 0, 0, .95), 0 0 24px -6px rgba(108, 140, 255, .4);
    animation: dockIn .5s var(--ease);
  }
  @keyframes dockIn { from { opacity: 0; translate: -50% 20px; } }
  .dock-btn {
    display: inline-flex;
    align-items: center;
    gap: .42rem;
    padding: .52rem .95rem;
    font-size: .82rem;
    font-weight: 500;
    border-radius: 99px;
    color: var(--text);
    transition: transform .18s ease, background .18s ease;
  }
  .dock-btn .icon { font-size: .95rem; }
  .dock-btn--wa {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #06070a !important;
    font-weight: 600;
    box-shadow: 0 4px 14px -4px rgba(37, 211, 102, .8);
  }
  .dock-btn--talk {
    background: rgba(255, 255, 255, .08);
    border: 1px solid var(--line-2);
  }
  .dock-btn--work {
    background: transparent;
    color: var(--muted);
  }
  .dock-btn:active { transform: scale(.94); }

  /* Hero Mobile Flow: Photo on Top -> Name/Title -> Headline -> Lead -> Actions -> Social */
  .hero {
    padding-top: calc(var(--nav-h) + env(safe-area-inset-top, 0) + 1.5rem);
    padding-bottom: 3.5rem;
  }
  .hero__inner {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
  }
  .hero__visual {
    order: -1;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    justify-content: center;
  }
  .portrait {
    width: 100%;
    max-width: 290px;
    margin: 0 auto;
  }
  .portrait__frame {
    border-radius: var(--r-lg);
  }
  .portrait__caption {
    margin-top: .75rem;
    padding-top: .65rem;
  }
  .hero__copy {
    width: 100%;
    display: flex;
    flex-direction: column;
  }
  .hero__title {
    margin-top: 1.25rem;
  }
  .hero__headline {
    margin-top: 1.25rem;
    max-width: none;
  }
  .hero__lead {
    margin-top: 1.1rem;
    max-width: none;
  }

  /* Section headers */
  .sec-head--split { grid-template-columns: 1fr; gap: .75rem; }
  .sec-head--split .sec-sub { justify-self: start; }

  /* About single column */
  .about { grid-template-columns: 1fr; gap: 2.5rem; }
  .about__aside { position: static; max-width: 420px; margin-inline: auto; width: 100%; }

  /* Projects single column */
  .project__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .project--flip .project__grid { grid-template-columns: 1fr; }
  .project--flip .project__main { order: 1; }
  .project--flip .project__visual { order: 2; }
  .project__visual { position: static; max-width: 100%; width: 100%; }

  /* Why single column */
  .why { grid-template-columns: 1fr; gap: 2.25rem; }
  .why__lead { position: static; }

  /* Credentials */
  .creds { grid-template-columns: 1fr; gap: 2rem; }
}

/* Tablets & Mobile (<= 768px) */
@media (max-width: 768px) {
  .grid-cards { grid-template-columns: 1fr; }
  .stack { grid-template-columns: 1fr; }
  .repos { grid-template-columns: 1fr; }
  .why__list { grid-template-columns: 1fr; }

  .case__body { grid-template-columns: 1fr; }
  .case__step { border-left: 0; border-top: 1px solid var(--line); }
  .case__summary-hint { display: none; }

  .dg__row { grid-template-columns: 1fr; }
  .dg__row--two { grid-template-columns: 1fr; }

  .specs {
    grid-template-columns: 1fr;
    margin-top: 2.5rem;
  }
  .specs__item + .specs__item { border-left: 0; border-top: 1px solid var(--line); }

  .rail__item {
    grid-template-columns: 2.8rem 1fr;
    grid-template-areas:
      "num title"
      "num desc";
    gap: .4rem .85rem;
    padding: 1.25rem 1rem;
  }

  .cta__details {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }
  .cta__details dd a {
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .footer__inner { grid-template-columns: 1fr; justify-items: start; gap: 1.75rem; }
  .footer__links { justify-self: start; gap: .75rem 1.25rem; }
}

/* Small mobile (<= 640px) */
@media (max-width: 640px) {
  .project__head {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }
  .project__links {
    justify-content: flex-start;
    width: 100%;
  }
  .project__links .btn {
    flex: 1 1 auto;
    min-height: 44px;
  }

  .flow { grid-template-columns: 1fr; gap: 1.25rem; }
  .flow__step { padding: 1.25rem 0 0 0; }

  .hero__actions {
    flex-direction: column;
    width: 100%;
    gap: .75rem;
  }
  .hero__actions .btn {
    width: 100%;
    min-height: 48px;
  }

  .cta__actions {
    flex-direction: column;
    width: 100%;
    gap: .75rem;
  }
  .cta__actions .btn {
    width: 100%;
    min-height: 48px;
  }

  .hero__social {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .55rem;
    width: 100%;
  }
  .hero__social .social {
    justify-content: center;
    min-height: 44px;
    padding: .6rem .75rem;
  }
}

/* Extra small mobile (<= 480px) */
@media (max-width: 480px) {
  :root {
    --pad: 1rem;
  }

  .facts > div {
    grid-template-columns: 1fr;
    gap: .2rem;
    padding: .65rem 0;
  }

  .hero__name {
    font-size: clamp(2.1rem, 9.2vw, 3.2rem);
  }
  .hero__role {
    font-size: .72rem;
    letter-spacing: .12em;
  }
  .hero__headline {
    font-size: 1.22rem;
  }
  .sec-title {
    font-size: clamp(1.65rem, 6.5vw, 2.1rem);
  }
  .cta__title {
    font-size: clamp(1.8rem, 7vw, 2.4rem);
  }

  .dg__tenants {
    gap: .3rem;
  }
  .dg__tag {
    font-size: .62rem;
    padding: .25rem .45rem;
  }
  .dg__inner span {
    font-size: .62rem;
    padding: .22rem .42rem;
  }

  .chips li, .chips--lg li {
    font-size: .7rem;
    padding: .3rem .58rem;
  }

  .lightbox {
    padding: .75rem;
  }
  .lightbox__close {
    top: .6rem;
    right: .6rem;
    width: 40px;
    height: 40px;
  }
}

/* Ultra small phones (<= 360px) */
@media (max-width: 360px) {
  .hero__social {
    grid-template-columns: 1fr;
  }
  .brand__text i {
    display: none;
  }
  .status {
    font-size: .65rem;
    padding: .35rem .65rem;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .ticker__track { animation: none !important; }
}


/* ---------------------------------------------------------------
   Pinned Repositories & Academic Excellence Enhancements
   --------------------------------------------------------------- */
.repo__pin {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(108, 140, 255, .1);
  border: 1px solid rgba(108, 140, 255, .28);
  border-radius: 99px;
  padding: .15rem .45rem;
  margin-left: auto;
}
.repo__pin .icon {
  font-size: .7rem !important;
  color: var(--accent) !important;
  transform: none !important;
}

.academic-card {
  padding: clamp(1.4rem, 2.5vw, 1.85rem);
  background: linear-gradient(135deg, rgba(108, 140, 255, .08) 0%, rgba(255, 255, 255, .02) 100%);
  border: 1px solid rgba(108, 140, 255, .25);
  border-radius: var(--r-lg);
  margin-bottom: 1.25rem;
  box-shadow: 0 12px 30px -15px rgba(0, 0, 0, .6);
  position: relative;
  overflow: hidden;
}
.academic-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #9d7bff, transparent);
}
.academic-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .85rem;
  flex-wrap: wrap;
}
.academic-card__badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-hi);
  background: rgba(108, 140, 255, .14);
  border: 1px solid rgba(108, 140, 255, .3);
  padding: .22rem .6rem;
  border-radius: 99px;
}
.academic-card__badge .icon {
  font-size: .75rem;
  color: var(--accent-hi);
}
.academic-card__spi {
  font-family: var(--font-mono);
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: #38ef7d;
  background: rgba(56, 239, 125, .1);
  border: 1px solid rgba(56, 239, 125, .25);
  padding: .2rem .6rem;
  border-radius: 99px;
}
.academic-card h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: .25rem;
}
.academic-card__inst {
  font-size: .92rem;
  color: var(--text-2);
  margin-bottom: .65rem;
}
.academic-card__desc {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.academic-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.academic-card__tags span {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--text-2);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-2);
  padding: .22rem .55rem;
  border-radius: 6px;
}