/* ============================================================
   ahmed abdulbasset — portfolio
   concept: full-stack as literal depth.
   a lit 3d space; four planes that explode apart on scroll.
   anybody (display, variable width) · instrument sans · jetbrains mono
   ============================================================ */

/* ---------- reset & tokens ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* space */
  --void:      #0A0910;
  --fog:       #14111C;
  --plane:     #1C1826;
  --plane-lit: #262034;

  /* light */
  --bone:  #EFEBF5;
  --muted: #918AA6;
  --dim:   #625C77;
  --amber: #E8A33D;
  --rim:   #7C6FD6;

  --line:      rgba(239, 235, 245, .10);
  --line-soft: rgba(239, 235, 245, .06);

  --display: "Anybody", "Helvetica Neue", Arial, sans-serif;
  --body:    "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --nav-h: 74px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  /* driven by js */
  --mx: 0;   /* -1 .. 1 pointer x */
  --my: 0;   /* -1 .. 1 pointer y */
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1.5rem);
  overflow-x: clip;
  scrollbar-color: #322B44 var(--void);
  scrollbar-width: thin;
}

body {
  background: var(--void);
  color: var(--bone);
  font-family: var(--body);
  font-size: 1.02rem;
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--amber); color: var(--void); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: #322B44; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #453B5E; }

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

a { color: inherit; }
ul, ol { list-style: none; }
em { font-style: normal; }

.container { width: min(1200px, 90%); margin-inline: auto; }

/* ============================================================
   the space — fixed lit backdrop
   ============================================================ */
.space {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 0%,   #191426 0%, transparent 60%),
    radial-gradient(100% 70% at 50% 100%, #120F1C 0%, transparent 70%),
    var(--void);
}

/* two soft lights: warm key, cool rim */
.space__glow {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: .5;
  will-change: transform;
  transform: translate3d(calc(var(--mx) * 26px), calc(var(--my) * 20px), 0);
}
.space__glow--key {
  width: 46vw; height: 46vw; left: 52%; top: -14vw;
  background: radial-gradient(circle, rgba(232, 163, 61, .30), transparent 68%);
}
.space__glow--rim {
  width: 54vw; height: 54vw; left: -14vw; top: 26vh;
  background: radial-gradient(circle, rgba(124, 111, 214, .26), transparent 68%);
  opacity: .42;
}

/* starfield dust — two parallax depths */
.space__dust {
  position: absolute; inset: -20% 0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%,  rgba(239,235,245,.55), transparent),
    radial-gradient(1.2px 1.2px at 74% 8%,   rgba(239,235,245,.40), transparent),
    radial-gradient(1.6px 1.6px at 33% 62%,  rgba(232,163,61,.45),  transparent),
    radial-gradient(1.2px 1.2px at 88% 44%,  rgba(239,235,245,.35), transparent),
    radial-gradient(1.3px 1.3px at 58% 82%,  rgba(124,111,214,.50), transparent),
    radial-gradient(1.1px 1.1px at 6%  74%,  rgba(239,235,245,.30), transparent),
    radial-gradient(1.5px 1.5px at 47% 30%,  rgba(239,235,245,.42), transparent),
    radial-gradient(1.2px 1.2px at 92% 88%,  rgba(239,235,245,.28), transparent);
  background-size: 100% 100%;
  will-change: transform;
}
.space__dust--near {
  background-image:
    radial-gradient(2px 2px at 22% 40%, rgba(239,235,245,.30), transparent),
    radial-gradient(2px 2px at 68% 66%, rgba(232,163,61,.28),  transparent),
    radial-gradient(2px 2px at 84% 20%, rgba(124,111,214,.34), transparent);
  opacity: .8;
}

/* receding grid floor */
.space__floor {
  position: absolute; left: -25%; right: -25%; bottom: 0; height: 62vh;
  perspective: 300px; perspective-origin: 50% 0%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 34%, #000 72%, transparent);
          mask-image: linear-gradient(to bottom, transparent, #000 34%, #000 72%, transparent);
}
.space__grid {
  position: absolute; inset: -60% -10% -120%;
  transform: rotateX(72deg);
  transform-origin: 50% 0%;
  background-image:
    linear-gradient(to right,  var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 74px 74px;
  will-change: transform;
}

.space__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 50% 45%, transparent 42%, rgba(10, 9, 16, .85) 100%);
}

/* everything above the space */
.nav, main, .footer, .progress { position: relative; z-index: 1; }

/* ---------- scroll progress hairline ---------- */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 90;
  background: var(--line-soft);
}
.progress span {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(90deg, var(--rim), var(--amber));
  transform: scaleX(0); transform-origin: left;
}

/* ============================================================
   nav
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  height: var(--nav-h); display: flex; align-items: center;
  background: rgba(10, 9, 16, .55);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
          backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: transform .4s var(--ease), background .4s, border-color .4s;
}
.nav--stuck { background: rgba(10, 9, 16, .82); border-bottom-color: var(--line); }
.nav--hidden { transform: translateY(-105%); }

.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.nav__logo {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: var(--display);
  font-weight: 600; font-size: .95rem;
  font-variation-settings: "wdth" 88;
  letter-spacing: .02em; text-decoration: none;
}

/* three stacked planes, seen edge-on */
.nav__mark {
  display: grid; gap: 2.5px; width: 20px;
  transform: perspective(60px) rotateX(48deg);
}
.nav__mark i { display: block; height: 2px; background: var(--muted); transition: background .3s, transform .3s; }
.nav__mark i:nth-child(1) { background: var(--amber); }
.nav__logo:hover .nav__mark i { background: var(--amber); }
.nav__logo:hover .nav__mark i:nth-child(2) { transform: translateX(3px); }
.nav__logo:hover .nav__mark i:nth-child(3) { transform: translateX(6px); }

.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__links a {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .08em;
  color: var(--muted); text-decoration: none;
  position: relative; transition: color .25s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1px; background: var(--amber);
  transform: scaleX(0); transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav__links a:hover, .nav__links a.active { color: var(--bone); }
.nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); transform-origin: left; }

.nav__links .nav__cta {
  border: 1px solid var(--line); border-radius: 999px;
  padding: .5rem 1.15rem; color: var(--bone);
  transition: background .3s, color .3s, border-color .3s;
}
.nav__links .nav__cta::after { display: none; }
.nav__links .nav__cta:hover { background: var(--amber); border-color: var(--amber); color: var(--void); }

/* ============================================================
   hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--nav-h) + 4rem) 0 8.5rem;
}

.hero__inner {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 3rem; align-items: center; flex: 1;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .65rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted);
}
.pulse {
  width: 6px; height: 6px; border-radius: 50%; background: var(--amber);
  box-shadow: 0 0 0 0 rgba(232, 163, 61, .6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 9px rgba(232, 163, 61, 0); }
  100% { box-shadow: 0 0 0 0  rgba(232, 163, 61, 0); }
}

.hero__title {
  margin: 1.5rem 0 1.5rem;
  font-family: var(--display);
  font-weight: 700;
  font-variation-settings: "wdth" 82;
  font-size: clamp(2.9rem, 6.4vw, 5.3rem);
  line-height: .98; letter-spacing: -.035em;
  text-wrap: balance;
}
.hero__title em {
  color: var(--amber);
  font-variation-settings: "wdth" 74;
  font-weight: 500;
}

.hero__desc { color: var(--muted); max-width: 46ch; font-size: 1.06rem; }

.hero__actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.4rem; }

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--mono); font-size: .8rem; letter-spacing: .04em;
  text-decoration: none;
  padding: .9rem 1.7rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--bone);
  transform-style: preserve-3d;
  transition: transform .3s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .3s;
}
.btn--primary {
  background: var(--amber); border-color: var(--amber); color: var(--void);
  box-shadow: 0 10px 30px -12px rgba(232, 163, 61, .75);
}
.btn--primary:hover {
  transform: translateY(-3px) rotateX(-8deg);
  box-shadow: 0 20px 44px -14px rgba(232, 163, 61, .85);
}
.btn--ghost:hover {
  transform: translateY(-3px) rotateX(-8deg);
  border-color: var(--bone); background: rgba(239, 235, 245, .05);
}
.btn:active { transform: translateY(-1px) scale(.98); }

/* ---------- hero facts ---------- */
.hero__facts {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}
.fact {
  padding: 1.1rem 1.2rem 0 0;
  border-right: 1px solid var(--line-soft);
}
.fact:last-child { border-right: 0; }
.fact dt {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim); margin-bottom: .3rem;
}
.fact dd {
  font-family: var(--display); font-weight: 500;
  font-variation-settings: "wdth" 90;
  font-size: 1.1rem; letter-spacing: -.01em;
}

/* ---------- scroll cue ---------- */
.hero__scroll {
  position: absolute; bottom: 1.6rem; left: 50%;
  display: flex; flex-direction: column-reverse; align-items: center; gap: .7rem;
  font-family: var(--mono); font-size: .62rem; letter-spacing: .3em;
  text-transform: uppercase; color: var(--dim); text-decoration: none;
  transition: color .25s;
}
.hero__scroll:hover { color: var(--amber); }
.hero__scroll span {
  display: block; width: 1px; height: 40px;
  background: var(--line); position: relative; overflow: hidden;
}
.hero__scroll span::after {
  content: ""; position: absolute; left: 0; top: -45%;
  width: 100%; height: 45%; background: var(--amber);
  animation: scroll-dot 2s ease-in-out infinite;
}
@keyframes scroll-dot { to { top: 110%; } }

/* ============================================================
   the rig — stacked planes in 3d
   ============================================================ */
.hero__scene {
  perspective: 1100px; perspective-origin: 50% 45%;
  min-height: clamp(340px, 46vw, 520px);
  display: grid; place-items: center;
}

.rig {
  position: relative; width: 1px; height: 1px;
  transform-style: preserve-3d;
  --gap: 60px;
  --w: clamp(200px, 24vw, 320px);
  --h: clamp(140px, 17vw, 224px);
  /* mouse orbit is applied in view space, then the fixed iso orientation */
  transform:
    rotateX(calc(var(--my) * -8deg))
    rotateY(calc(var(--mx) * 12deg))
    rotateX(58deg)
    rotateZ(calc(-40deg + var(--turn, 0deg)));
  will-change: transform;
}
.js .rig { animation: rig-float 9s ease-in-out infinite; }
@keyframes rig-float {
  0%, 100% { translate: 0 0 0; }
  50%      { translate: 0 0 22px; }
}

/* central axis the planes hang off */
.rig__spine {
  position: absolute; left: 0; top: 0;
  width: 1px; height: calc(var(--gap) * 3);
  margin-top: calc(var(--gap) * -1.5);
  background: linear-gradient(to bottom, transparent, var(--line), rgba(232,163,61,.4), var(--line), transparent);
  transform: rotateX(90deg);
}

.slab {
  position: absolute;
  width: var(--w); height: var(--h);
  left: calc(var(--w) / -2); top: calc(var(--h) / -2);
  /* centred on the rig origin (--i 0..3 → -1.5..1.5) so the assembly
     stays put as --gap grows instead of sliding out of frame */
  transform: translateZ(calc((var(--i) - 1.5) * var(--gap) * -1));
  transition: transform .55s var(--ease), border-color .35s, background .35s, box-shadow .35s;

  border: 1px solid rgba(239, 235, 245, .16);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(239,235,245,.07), rgba(239,235,245,.015) 45%, transparent 70%),
    repeating-linear-gradient(0deg,  transparent 0 21px, rgba(239,235,245,.035) 21px 22px),
    repeating-linear-gradient(90deg, transparent 0 21px, rgba(239,235,245,.035) 21px 22px),
    rgba(28, 24, 38, .62);
  box-shadow:
    0 26px 60px -30px rgba(0, 0, 0, .95),
    inset 0 1px 0 rgba(239, 235, 245, .07);
  -webkit-backdrop-filter: blur(2px);
          backdrop-filter: blur(2px);
}

/* per-layer tint: warm at the surface, cool at the base */
.slab[data-tint="fe"] { --hue: 232, 163, 61; }
.slab[data-tint="be"] { --hue: 214, 150, 96; }
.slab[data-tint="da"] { --hue: 141, 128, 205; }
.slab[data-tint="in"] { --hue: 124, 111, 214; }

.slab::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit;
  background: linear-gradient(150deg, rgba(var(--hue), .32), transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  padding: 1px; pointer-events: none;
}

/* corner ticks — reads as a technical drawing */
.slab__edge { position: absolute; inset: 9px; pointer-events: none; }
.slab__edge::before, .slab__edge::after {
  content: ""; position: absolute; width: 13px; height: 13px;
  border-color: rgba(var(--hue), .55); border-style: solid; border-width: 0;
}
.slab__edge::before { left: 0;  top: 0;     border-left-width: 1px; border-top-width: 1px; }
.slab__edge::after  { right: 0; bottom: 0;  border-right-width: 1px; border-bottom-width: 1px; }

.slab__id {
  position: absolute; left: 14px; top: 12px;
  font-family: var(--mono); font-size: .62rem; letter-spacing: .18em;
  color: rgba(var(--hue), .95);
}
.slab__name {
  position: absolute; left: 14px; bottom: 10px;
  font-family: var(--display); font-weight: 600;
  font-variation-settings: "wdth" 76;
  font-size: clamp(1.05rem, 1.9vw, 1.6rem);
  letter-spacing: -.02em; line-height: 1;
  color: rgba(239, 235, 245, .82);
  transition: color .35s;
}

/* ============================================================
   band — tech marquee on a tilted plane
   ============================================================ */
.band {
  border-block: 1px solid var(--line);
  padding: 1.5rem 0;
  overflow: hidden;
  perspective: 500px;
  background: linear-gradient(90deg, transparent, rgba(28,24,38,.5), transparent);
}
.band__track {
  display: flex; width: max-content;
  transform: rotateX(24deg);
  will-change: transform;
}
.band__row {
  display: flex; gap: 3rem; padding-right: 3rem;
  font-family: var(--mono); font-size: .8rem; letter-spacing: .1em;
  color: var(--dim); white-space: nowrap;
}
.band__row span { transition: color .3s; position: relative; }
.band__row span::before {
  content: "◆"; color: var(--rim); font-size: .5rem;
  position: absolute; left: -1.75rem; top: .35em; opacity: .5;
}
.band:hover .band__row span { color: var(--muted); }

/* ============================================================
   sections — shared
   ============================================================ */
.section { padding: 8rem 0; position: relative; }

.tag {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--amber);
  margin-bottom: 1.1rem;
  display: flex; align-items: center; gap: 1rem;
}
.tag::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }

.title {
  font-family: var(--display); font-weight: 600;
  font-variation-settings: "wdth" 84;
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  letter-spacing: -.035em; line-height: 1.02;
  margin-bottom: 3.4rem; text-wrap: balance;
}
.title em { color: var(--amber); font-weight: 400; font-variation-settings: "wdth" 76; }
.title--sm { font-size: clamp(1.9rem, 3.2vw, 2.6rem); margin-bottom: 2.2rem; }

/* ============================================================
   about
   ============================================================ */
.about { display: grid; grid-template-columns: 1.05fr .95fr; gap: 5rem; align-items: start; }

.about__lead {
  font-family: var(--display); font-weight: 400;
  font-variation-settings: "wdth" 92;
  font-size: 1.42rem; line-height: 1.38; letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}
.about__text p:not(.about__lead) { color: var(--muted); margin-bottom: 1.4rem; max-width: 52ch; }

.link-arrow {
  display: inline-flex; gap: .6rem; align-items: baseline;
  font-family: var(--mono); font-size: .8rem; letter-spacing: .05em;
  color: var(--amber); text-decoration: none;
  border-bottom: 1px solid transparent; padding-bottom: .2rem;
  transition: gap .3s var(--ease), border-color .3s;
}
.link-arrow:hover { gap: 1.1rem; border-color: var(--amber); }

.about__stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  transform-style: preserve-3d;
  transition: transform .4s var(--ease);
}
.stat {
  padding: 2rem 1.6rem;
  background: rgba(20, 17, 28, .7);
  transition: background .35s;
}
.stat:hover { background: rgba(38, 32, 52, .8); }
.stat__num {
  display: block;
  font-family: var(--display); font-weight: 500;
  font-variation-settings: "wdth" 78;
  font-size: clamp(2.2rem, 3.6vw, 3rem);
  letter-spacing: -.045em; line-height: 1;
  color: var(--bone);
  transform: translateZ(24px);
}
.stat__label {
  display: block; margin-top: .6rem;
  font-family: var(--mono); font-size: .66rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--dim);
  transform: translateZ(12px);
}

/* ============================================================
   stack — the signature scroll-driven explosion
   ============================================================ */
.stackwrap { position: relative; height: 340vh; }
.stackwrap__sticky {
  position: sticky; top: 0; height: 100svh;
  display: flex; align-items: center; overflow: hidden;
}
.stackwrap__inner {
  display: grid; grid-template-columns: 1fr .9fr;
  gap: 4rem; align-items: center; width: min(1200px, 90%);
}

.stackwrap__scene {
  perspective: 1400px; perspective-origin: 50% 48%;
  height: min(72svh, 620px);
  display: grid; place-items: center;
}
.rig--big {
  --gap: 60px;
  --w: clamp(220px, 26vw, 340px);
  --h: clamp(150px, 18vw, 236px);
}
.js .rig--big { animation: none; }

/* scroll drives --gap every frame, so the slabs must not ease their position */
.rig--big .slab { transition: border-color .35s, background .35s, box-shadow .35s; }
.rig--big .slab__name { font-size: clamp(1.15rem, 2vw, 1.75rem); }

/* active layer lights up */
.slab.is-live {
  border-color: rgba(var(--hue), .55);
  background:
    linear-gradient(135deg, rgba(var(--hue), .16), rgba(239,235,245,.02) 50%, transparent 72%),
    repeating-linear-gradient(0deg,  transparent 0 21px, rgba(239,235,245,.05) 21px 22px),
    repeating-linear-gradient(90deg, transparent 0 21px, rgba(239,235,245,.05) 21px 22px),
    rgba(38, 32, 52, .72);
  box-shadow:
    0 26px 70px -26px rgba(var(--hue), .5),
    0 0 0 1px rgba(var(--hue), .2),
    inset 0 1px 0 rgba(239, 235, 245, .12);
}
.slab.is-live .slab__name { color: var(--bone); }

/* readout */
.stackwrap__readout { max-width: 46ch; }
.layers { border-top: 1px solid var(--line-soft); }
.layer {
  display: grid; grid-template-columns: 3rem 1fr; gap: 1.2rem;
  padding: 1.15rem 0 1.15rem .2rem;
  border-bottom: 1px solid var(--line-soft);
  opacity: .34;
  transition: opacity .45s var(--ease), transform .45s var(--ease);
  transform: translateX(-8px);
}
.layer.is-live { opacity: 1; transform: translateX(0); }
.layer__id {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em;
  color: var(--dim); padding-top: .45rem;
  transition: color .35s;
}
.layer.is-live .layer__id { color: var(--amber); }
.layer__body h3 {
  font-family: var(--display); font-weight: 600;
  font-variation-settings: "wdth" 82;
  font-size: 1.22rem; letter-spacing: -.025em; margin-bottom: .25rem;
}
.layer__tech {
  font-family: var(--mono); font-size: .73rem; letter-spacing: .02em;
  color: var(--rim); line-height: 1.55;
}
/* grid-rows 0fr→1fr clips cleanly at every frame; max-height would ghost mid-transition */
.layer__reveal {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .5s var(--ease);
}
.layer.is-live .layer__reveal { grid-template-rows: 1fr; }
.layer__note {
  overflow: hidden; min-height: 0;
  font-size: .88rem; color: var(--muted); opacity: 0;
  transition: opacity .4s var(--ease);
}
.layer.is-live .layer__note { opacity: 1; padding-top: .4rem; }

/* ============================================================
   work — tilting cards with layered content
   ============================================================ */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }

.card { perspective: 1000px; }
.card--wide { grid-column: 1 / -1; }

.card__link {
  position: relative; display: block; height: 100%;
  padding: 1.4rem 1.4rem 1.7rem;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(165deg, rgba(28, 24, 38, .78), rgba(16, 13, 24, .78));
  transform-style: preserve-3d;
  transition: transform .45s var(--ease), border-color .35s, box-shadow .45s;
  box-shadow: 0 20px 50px -34px rgba(0, 0, 0, .9);
}
.card__link:hover {
  border-color: rgba(232, 163, 61, .38);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 1), 0 0 60px -30px rgba(232, 163, 61, .45);
}

/* the art plate — a small window into the space */
.card__plate {
  position: relative; height: 168px; border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line-soft);
  background: radial-gradient(120% 100% at 30% 0%, #221C33, #0E0B16);
  margin-bottom: 1.3rem;
  transform: translateZ(20px);
}
.card__index {
  position: absolute; right: 12px; top: 10px; z-index: 3;
  font-family: var(--mono); font-size: .66rem; letter-spacing: .18em;
  color: var(--dim);
}
.card__glare {
  position: absolute; inset: 0; z-index: 4; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(239, 235, 245, .13) 50%, transparent 65%);
  transform: translateX(-100%);
  transition: transform .8s var(--ease);
}
.card__link:hover .card__glare { transform: translateX(100%); }

/* generative art per project — pure css, no assets */
.card__art { position: absolute; inset: 0; transition: transform .6s var(--ease); }
.card__link:hover .card__art { transform: scale(1.06); }

.card__art--sigma {
  background:
    radial-gradient(60% 90% at 25% 80%, rgba(232,163,61,.5), transparent 60%),
    radial-gradient(50% 70% at 75% 25%, rgba(124,111,214,.5), transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 15px, rgba(239,235,245,.07) 15px 16px);
}
.card__art--qarenly {
  background:
    conic-gradient(from 210deg at 50% 60%, rgba(232,163,61,.45), rgba(124,111,214,.4), rgba(232,163,61,.45)),
    repeating-linear-gradient(45deg, transparent 0 11px, rgba(10,9,16,.5) 11px 22px);
}

.card__body { transform: translateZ(36px); }
.card__name {
  font-family: var(--display); font-weight: 600;
  font-variation-settings: "wdth" 80;
  font-size: 1.55rem; letter-spacing: -.03em; line-height: 1.05;
  margin-bottom: .55rem;
  transition: color .3s;
}
.card__link:hover .card__name { color: var(--amber); }
.card__desc { color: var(--muted); font-size: .92rem; max-width: 46ch; }
.card__tags {
  margin-top: .85rem;
  font-family: var(--mono); font-size: .69rem; letter-spacing: .06em;
  color: var(--rim);
}
.card__arrow {
  position: absolute; right: 1.4rem; bottom: 1.5rem;
  font-size: 1.05rem; color: var(--dim);
  transform: translateZ(48px);
  transition: color .3s, translate .3s var(--ease);
}
.card__link:hover .card__arrow { color: var(--amber); translate: 4px -4px; }

.card--wide .card__link { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.8rem 1.6rem; }
.card--wide .card__name { color: var(--amber); font-size: 1.3rem; margin-bottom: .3rem; }
.card--wide .card__arrow { position: static; transform: translateZ(30px); }

/* a card with nowhere to go — no link affordances, no amber promise of one */
div.card__link:hover { border-color: var(--line); box-shadow: 0 20px 50px -34px rgba(0, 0, 0, .9); }
div.card__link .card__name { color: var(--bone); }
div.card__link .card__desc { max-width: 72ch; }

/* ============================================================
   experience — timeline receding in z
   ============================================================ */
.cv {
  position: relative; max-width: 900px;
  padding-left: 1.6rem;
  perspective: 900px;
}
.cv::before {
  content: ""; position: absolute; left: 0; top: .6rem; bottom: 2rem; width: 1px;
  background: linear-gradient(to bottom, var(--amber), var(--rim), transparent);
  opacity: .5;
}
.cv__row {
  position: relative;
  display: grid; grid-template-columns: 180px 1fr; gap: 2.5rem;
  padding: 2rem 0 2rem 1.8rem;
  border-bottom: 1px solid var(--line-soft);
  transform-style: preserve-3d;
  transition: transform .4s var(--ease), background .4s;
  border-radius: 0 12px 12px 0;
}
.cv__row::before {
  content: ""; position: absolute; left: -1.85rem; top: 2.6rem;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--void); border: 1px solid var(--amber);
  transition: background .35s, box-shadow .35s, scale .35s;
}
.cv__row:hover {
  transform: translateZ(30px) translateX(6px);
  background: linear-gradient(90deg, rgba(38, 32, 52, .55), transparent 70%);
}
.cv__row:hover::before { background: var(--amber); box-shadow: 0 0 16px rgba(232,163,61,.9); scale: 1.25; }

.cv__period {
  font-family: var(--mono); font-size: .73rem; letter-spacing: .08em;
  color: var(--amber); padding-top: .4rem;
}
.cv__body h3 {
  font-family: var(--display); font-weight: 600;
  font-variation-settings: "wdth" 84;
  font-size: 1.28rem; letter-spacing: -.025em; margin-bottom: .5rem;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem;
}
.cv__co {
  font-family: var(--mono); font-size: .72rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase; color: var(--rim);
  border: 1px solid var(--line); border-radius: 999px; padding: .18rem .6rem;
}
.cv__body p { color: var(--muted); font-size: .92rem; max-width: 58ch; }

/* ============================================================
   contact
   ============================================================ */
.contact { text-align: center; padding: 9rem 0 10rem; }
.contact .tag { justify-content: center; }
.contact .tag::after { display: none; }
.contact .tag::before {
  content: ""; flex: 0 0 40px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line));
}

.contact__title {
  font-family: var(--display); font-weight: 600;
  font-variation-settings: "wdth" 80;
  font-size: clamp(2.7rem, 8vw, 6rem);
  letter-spacing: -.05em; line-height: .94;
  margin: 1rem auto 1.6rem;
}
.contact__title em { color: var(--amber); font-weight: 400; font-variation-settings: "wdth" 72; }
.contact__lead { color: var(--muted); max-width: 44ch; margin: 0 auto 3rem; }

/* the email key — a 3d cap you press */
.key {
  display: inline-block; perspective: 700px; text-decoration: none;
  margin-bottom: 1rem;
}
.key__face {
  display: block;
  font-family: var(--mono); font-size: 1rem; letter-spacing: .02em;
  padding: 1.15rem 2.4rem;
  border-radius: 14px;
  color: var(--void);
  background: linear-gradient(180deg, #F5BC63, var(--amber));
  box-shadow:
    0 8px 0 #8A5E17,
    0 22px 46px -16px rgba(232, 163, 61, .7);
  transform-style: preserve-3d;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}
.key:hover .key__face {
  transform: translateY(-3px);
  box-shadow: 0 11px 0 #8A5E17, 0 30px 56px -16px rgba(232, 163, 61, .85);
}
.key:active .key__face {
  transform: translateY(7px);
  box-shadow: 0 1px 0 #8A5E17, 0 10px 24px -14px rgba(232, 163, 61, .6);
}

.socials {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 2rem; margin-top: 3rem;
}
.socials a {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .08em;
  color: var(--dim); text-decoration: none;
  border-bottom: 1px solid transparent; padding-bottom: .25rem;
  transition: color .3s, border-color .3s;
}
.socials a:hover { color: var(--amber); border-color: var(--amber); }

/* ============================================================
   footer
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding: 2rem 0; background: rgba(10, 9, 16, .6); }
.footer__inner {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: var(--mono); font-size: .7rem; letter-spacing: .05em;
  color: var(--dim);
}
.footer a { text-decoration: none; transition: color .3s; }
.footer a:hover { color: var(--amber); }

/* ============================================================
   motion — entrance states (content is visible without js)
   ============================================================ */
.js .reveal {
  opacity: 0;
  transform: translateY(34px) rotateX(10deg);
  transform-origin: 50% 100%;
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.js .reveal.in { opacity: 1; transform: none; }

/* hero load sequence */
.js [data-in] {
  opacity: 0; transform: translateY(24px);
  animation: rise .95s var(--ease-out) forwards;
}
.js [data-in="1"] { animation-delay: .15s; }
.js [data-in="2"] { animation-delay: .55s; }
.js [data-in="3"] { animation-delay: .68s; }
.js [data-in="4"] { animation-delay: .82s; }
.js [data-in="5"] { animation-delay: .95s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* split headline — words rise out of the floor */
.word { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: .08em; }
.word > span {
  display: inline-block;
  transform: translateY(105%) rotateX(-55deg);
  animation: word-up 1s var(--ease-out) forwards;
  animation-delay: calc(.2s + var(--wi) * .06s);
}
@keyframes word-up { to { transform: none; } }

/* hero slabs fly in */
.js .hero__scene .slab {
  opacity: 0;
  animation: slab-in 1.1s var(--ease-out) forwards;
  animation-delay: calc(.35s + var(--i) * .12s);
}
@keyframes slab-in {
  from { opacity: 0; transform: translateZ(calc((var(--i) - 1.5) * var(--gap) * -1)) translateY(90px) scale(.86); }
  to   { opacity: 1; transform: translateZ(calc((var(--i) - 1.5) * var(--gap) * -1)); }
}

/* pointer-driven tilt: js writes transform every frame, so drop it from the
   transition list while tilting and let the other properties keep easing */
.tilting { transition-property: box-shadow, border-color, background; }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1040px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__scene { min-height: 320px; order: -1; }
  .hero__text { text-align: left; }
  .about { grid-template-columns: 1fr; gap: 3rem; }
  .stackwrap { height: auto; }
  .stackwrap__sticky { position: static; height: auto; padding: 6rem 0; }
  .stackwrap__inner { grid-template-columns: 1fr; gap: 3rem; }
  .stackwrap__scene { height: 400px; }
  .rig--big { --gap: 78px; }
  .layer { opacity: 1; transform: none; }
  .layer__reveal { grid-template-rows: 1fr; }
  .layer__note { opacity: 1; padding-top: .4rem; }
  .stackwrap__readout { max-width: none; }
}

@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .hero__facts { grid-template-columns: 1fr 1fr; }
  .fact { padding-bottom: 1rem; border-bottom: 1px solid var(--line-soft); }
  .fact:nth-child(2n) { border-right: 0; }
  .cv__row { grid-template-columns: 1fr; gap: .7rem; }
}

@media (max-width: 640px) {
  .section { padding: 5.5rem 0; }
  .nav__links { gap: 1rem; }
  .nav__links a:not(.nav__cta) { display: none; }
  .hero { padding-bottom: 7rem; }
  .hero__scroll { display: none; }
  .rig { --gap: 42px; }
  .rig--big { --gap: 62px; }
  .stackwrap__scene { height: 320px; }
  .contact { padding: 5.5rem 0 6rem; }
  .key__face { font-size: .82rem; padding: 1rem 1.4rem; }
  .socials { gap: 1.2rem; }
  .footer__inner { justify-content: center; text-align: center; }
}

/* ============================================================
   reduced motion — the layout survives, the movement stops
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js .reveal, .js [data-in], .js .hero__scene .slab { opacity: 1; transform: none; }
  .js .hero__scene .slab { transform: translateZ(calc((var(--i) - 1.5) * var(--gap) * -1)); }
  .word > span { transform: none; }
  .rig { transform: rotateX(58deg) rotateZ(-40deg); animation: none; }
  .space__glow { transform: none; }
  .layer, .layer__note { opacity: 1; transform: none; }
  .layer__reveal { grid-template-rows: 1fr; }

  /* nothing animates any more, so don't make anyone scroll 3.4 screens for it:
     lay the section out normally with the stack already exploded */
  .stackwrap { height: auto; }
  .stackwrap__sticky { position: static; height: auto; padding: 7rem 0; }
  .stackwrap__scene { height: 520px; }
  .rig--big { --gap: 84px; }
}