/* =====================================================================
   IT Laboratory — "Command Center" design system
   Hand-rolled, framework-free. Dark, technical, premium.
   Tokens locked per design/DESIGN.md.
   ===================================================================== */

/* ------------------------------------------------------------------
   SELF-HOST FONTS (disabled by default)
   Google Fonts is the ACTIVE path (see <link> in index.html) so the
   site works out-of-the-box. To self-host later:
     1. Drop woff2 files into /assets/fonts
     2. Uncomment the @font-face blocks below
     3. Remove the Google Fonts <link> + preconnects from index.html
   font-display:swap keeps text visible during load (no FOIT).
--------------------------------------------------------------------- */
/*
@font-face {
  font-family: "Space Grotesk"; font-style: normal; font-weight: 400 700;
  font-display: swap; src: url("../fonts/space-grotesk-var.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 400 600;
  font-display: swap; src: url("../fonts/inter-var.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 600;
  font-display: swap; src: url("../fonts/jetbrains-mono-var.woff2") format("woff2");
}
*/

/* =====================================================================
   TOKENS
   ===================================================================== */
:root {
  --bg:        #0A0E14;
  --surface:   #121821;
  --surface-2: #0E141C;
  --border:    #1E2733;
  --text:      #E6EDF3;
  --muted:     #8B98A5;
  --accent:    #3DDC97;
  --accent-2:  #4C8DFF;
  --highlight: #F2C94C;
  --accent-glow: rgba(61,220,151,.25);
  --blue-glow:   rgba(76,141,255,.22);

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --radius: 10px;
  --radius-sm: 8px;
  --maxw: 1160px;
  --gutter: clamp(1.15rem, 4vw, 2.5rem);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: .28s;

  --nav-h: 64px;
}

/* =====================================================================
   RESET / BASE
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }

a { color: var(--accent-2); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--accent); }

img, svg { display: block; max-width: 100%; }
ul { list-style: none; padding: 0; }
strong, b { font-weight: 600; color: var(--text); }

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

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

/* Screen-reader-only utility (kept off-screen but announced by AT) */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
  border: 0; padding: 0; margin: -1px;
}

/* Skip link */
.skip-link {
  position: fixed; top: -100px; left: 12px; z-index: 200;
  background: var(--accent); color: var(--bg); font-weight: 600;
  padding: .6rem 1rem; border-radius: var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; color: var(--bg); }

/* =====================================================================
   PAGE FX — dot-grid + film grain overlays (fixed, decorative)
   ===================================================================== */
.page-fx { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.fx-dotgrid {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(139,152,165,.14) 1px, transparent 1.4px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 8%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 8%, #000 30%, transparent 78%);
  opacity: .55;
}
.fx-grain {
  position: absolute; inset: 0;
  opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Keep all real content above the fx layer */
.nav, main, .footer { position: relative; z-index: 1; }

/* =====================================================================
   TYPOGRAPHY HELPERS
   ===================================================================== */
.eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--accent); font-weight: 500;
}
.section-title { font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.85rem); line-height: 1.12; margin-top: .5rem; }
.section-sub { color: var(--muted); max-width: 52ch; margin-top: .9rem; }
.section-head { max-width: 66ch; margin-bottom: clamp(2rem, 4vw, 3.2rem); }

.grad-text {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

section { padding-block: clamp(3.75rem, 8vw, 7rem); }

/* =====================================================================
   BUTTONS
   ===================================================================== */
.btn {
  --sheen-x: -120%;
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-body); font-weight: 600; font-size: .98rem;
  line-height: 1; white-space: nowrap;
  padding: .78rem 1.35rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn--lg { padding: .95rem 1.7rem; font-size: 1.02rem; }
.btn--xl { padding: 1.1rem 2.2rem; font-size: 1.1rem; }

.btn--primary { background: var(--accent); color: var(--bg); box-shadow: 0 0 0 rgba(61,220,151,0); }
.btn--primary:hover { color: var(--bg); transform: translateY(-2px); box-shadow: 0 10px 30px -8px var(--accent-glow), 0 0 0 1px rgba(61,220,151,.4); }

.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { color: var(--text); border-color: var(--accent-2); transform: translateY(-2px); box-shadow: 0 10px 30px -12px var(--blue-glow); }

/* CTA sheen sweep (JS toggles nothing — pure CSS, respects reduced motion) */
.btn--sheen::after {
  content: ""; position: absolute; top: 0; left: 0; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: translateX(var(--sheen-x)) skewX(-18deg);
  animation: sheen 5.5s var(--ease) infinite;
  pointer-events: none;
}
@keyframes sheen {
  0%, 62% { transform: translateX(-140%) skewX(-18deg); }
  78%, 100% { transform: translateX(240%) skewX(-18deg); }
}

.link-arrow {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 600; font-size: .95rem; color: var(--accent);
}
.link-arrow span { transition: transform var(--dur) var(--ease); }
.link-arrow:hover span { transform: translateX(4px); }

/* =====================================================================
   NAV
   ===================================================================== */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}
.nav.is-scrolled {
  background: rgba(10,14,20,.72);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom-color: var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; }

.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }
.brand:hover { color: var(--text); }
.brand__mark { display: grid; place-items: center; }
.brand__mark svg { filter: drop-shadow(0 0 6px var(--accent-glow)); }

.nav__links { display: flex; gap: 1.6rem; }
.nav__links a {
  color: var(--muted); font-size: .95rem; font-weight: 500; position: relative;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 1.5px;
  background: var(--accent); transition: right var(--dur) var(--ease);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { right: 0; }

.nav__actions { display: flex; align-items: center; gap: .75rem; }
.nav__cta { padding: .58rem 1.05rem; font-size: .92rem; }

/* Hamburger */
.nav__toggle {
  display: none; width: 42px; height: 38px; padding: 9px 8px;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; flex-direction: column; justify-content: space-between;
}
.nav__toggle-bar { display: block; height: 2px; width: 100%; background: var(--text); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile drawer */
.nav__mobile {
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  background: rgba(10,14,20,.96);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav__mobile nav { display: flex; flex-direction: column; padding: .5rem var(--gutter) 1.25rem; }
.nav__mobile a { color: var(--text); font-family: var(--font-head); font-size: 1.15rem; padding: .85rem 0; border-bottom: 1px solid var(--border); }
.nav__mobile a:last-child { border-bottom: 0; }

/* =====================================================================
   HERO
   ===================================================================== */
.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-h));
  display: flex; align-items: center;
  padding-block: clamp(3rem, 8vh, 6rem);
  overflow: hidden;
}
.hero__topology { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.topo-svg { width: 100%; height: 100%; opacity: .9; }
.hero__topology::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 45%, transparent 30%, var(--bg) 82%);
}

.hero__inner { position: relative; z-index: 2; max-width: 62rem; }
.hero__title {
  font-size: clamp(2.75rem, 6vw, 5rem); line-height: 1.05; font-weight: 600;
  letter-spacing: -0.02em; margin-top: 1.1rem; max-width: 20ch;
}
.hero__sub { color: var(--muted); font-size: clamp(1.05rem, 1rem + 0.5vw, 1.3rem); margin-top: 1.5rem; max-width: 56ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.1rem; }

/* Live status strip */
.status-strip {
  display: flex; flex-wrap: wrap; align-items: center; gap: .65rem 1.1rem;
  margin-top: 2.75rem; padding: .8rem 1.05rem;
  background: rgba(14,20,28,.6); border: 1px solid var(--border); border-radius: var(--radius);
  font-family: var(--font-mono); font-size: .82rem;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  max-width: max-content;
}
.status-strip__label { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .74rem; }
.status-strip__list { display: flex; flex-wrap: wrap; gap: .55rem 1.1rem; }
.status-strip__list li { display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); }
.status-strip__list b { color: var(--accent); font-weight: 500; }

/* GPU-cheap pulse: an expanding ring pseudo-element (transform/opacity only),
   not an animated box-shadow (which forces continuous repaints). */
.dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.dot::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: var(--accent-glow);
  transform: scale(1); opacity: 1;
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%   { transform: scale(1);    opacity: .7; }
  70%  { transform: scale(2.8);  opacity: 0; }
  100% { transform: scale(2.8);  opacity: 0; }
}

.hero__scrollcue { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); z-index: 2; }
.hero__scrollcue span { display: block; width: 22px; height: 34px; border: 1.5px solid var(--border); border-radius: 12px; position: relative; }
.hero__scrollcue span::after { content: ""; position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 3px; height: 6px; border-radius: 2px; background: var(--accent); animation: scrollcue 1.8s var(--ease) infinite; }
@keyframes scrollcue { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 12px); } }

/* =====================================================================
   STAT BAND
   ===================================================================== */
.statband { border-block: 1px solid var(--border); background: var(--surface-2); padding-block: clamp(2.25rem, 4vw, 3.25rem); }
.statband__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat { text-align: center; }
.stat__num { display: block; font-family: var(--font-head); font-weight: 600; font-size: clamp(2.2rem, 1.4rem + 3vw, 3.6rem); line-height: 1; color: var(--text); font-variant-numeric: tabular-nums; }
.stat__num .grad-text, .stat__num { background: linear-gradient(100deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.stat__label { display: block; margin-top: .5rem; color: var(--muted); font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }

/* =====================================================================
   VALUE PROPOSITION
   ===================================================================== */
.value__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.value__body { color: var(--muted); margin-top: 1.3rem; font-size: 1.1rem; }
.value__lead .link-arrow { margin-top: 1.6rem; }
.value__points { display: grid; gap: 1rem; }
.value__point { display: grid; gap: .3rem; padding: 1.2rem 1.35rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); border-left: 2px solid var(--accent); }
.value__point-k { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }
.value__point-v { color: var(--muted); font-size: .97rem; }

/* =====================================================================
   CARDS (shared) + SERVICES
   ===================================================================== */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.cards { display: grid; gap: 1.15rem; }
.services__grid { grid-template-columns: repeat(3, 1fr); }

.svc { padding: 1.6rem 1.55rem; position: relative; }
.svc:hover, .svc:focus-visible { transform: translateY(-4px); border-color: rgba(76,141,255,.5); box-shadow: 0 14px 40px -18px var(--blue-glow), 0 0 0 1px rgba(76,141,255,.12); }
.svc:hover .svc__icon, .svc:focus-visible .svc__icon { color: var(--accent); border-color: rgba(61,220,151,.5); box-shadow: 0 0 24px -6px var(--accent-glow); }
.svc__icon {
  display: inline-grid; place-items: center; width: 48px; height: 48px;
  color: var(--accent-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface-2); margin-bottom: 1.1rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.svc__title { font-size: 1.22rem; margin-bottom: .55rem; }
.svc__tagline { font-family: var(--font-mono); font-size: .68rem; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin-left: .4rem; vertical-align: middle; padding: .16em .5em; border: 1px solid rgba(61,220,151,.4); border-radius: 4px; }
.svc__copy { color: var(--muted); font-size: .98rem; margin-bottom: 1.1rem; }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: .28em .6em; }

.section-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: clamp(2rem, 4vw, 3rem); }
.cta-email { font-family: var(--font-mono); font-size: .85rem; color: var(--muted); }
/* Non-color affordance for the inline email link (color alone is too subtle) */
.cta-email a { text-decoration: underline; text-underline-offset: 2px; }

/* =====================================================================
   PORTFOLIO / WORK
   ===================================================================== */
.work__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.15rem; }
.case { display: grid; grid-template-columns: 200px 1fr; overflow: hidden; }
.case:hover { transform: translateY(-4px); border-color: rgba(61,220,151,.45); box-shadow: 0 16px 44px -20px var(--accent-glow), 0 0 0 1px rgba(61,220,151,.1); }

.case__fig { position: relative; border-right: 1px solid var(--border); background: var(--surface-2); padding: 1.2rem; display: grid; place-items: center; }
.case__figlabel { position: absolute; top: .7rem; left: .8rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.case__body { padding: 1.5rem 1.55rem; display: flex; flex-direction: column; }
.case__title { font-size: 1.28rem; margin-bottom: .45rem; }
.case__one { color: var(--muted); font-size: .98rem; }
.case__quote { font-family: var(--font-head); font-size: 1rem; color: var(--text); margin: 1rem 0; padding-left: .9rem; border-left: 2px solid var(--accent); line-height: 1.5; }
.case__body .tags { margin-bottom: 1.15rem; }
.case__body .link-arrow { margin-top: auto; }

/* Schematic line-art */
.schematic { width: 100%; height: auto; }
.schematic .edge  { stroke: var(--accent-2); stroke-width: 1.5; opacity: .7; fill: none; }
.schematic .edge2 { stroke: var(--accent); stroke-width: 1.5; opacity: .7; fill: none; }
.schematic .n-g   { fill: var(--accent); }
.schematic .n-b   { fill: var(--accent-2); }
.schematic .n-g-r { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.schematic .n-b-r { fill: none; stroke: var(--accent-2); stroke-width: 1.5; }
.schematic .n-b-e { fill: none; stroke: var(--accent-2); stroke-width: 1.5; }
.schematic .wave  { stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; }
.schematic .sch-t { fill: var(--muted); font-family: var(--font-mono); font-size: 9px; letter-spacing: .04em; }
.schematic .sync  { stroke-dasharray: 5 4; }
.case:hover .schematic .sync { animation: dashflow 1.2s linear infinite; }
@keyframes dashflow { to { stroke-dashoffset: -18; } }

.work__note { grid-column: 1 / -1; padding: 1.4rem 1.6rem; background: var(--surface-2); border-left: 2px solid var(--highlight); }
.work__note .eyebrow { color: var(--highlight); margin-bottom: .4rem; }
.work__note p:last-child { color: var(--muted); }

/* =====================================================================
   PROCESS PIPELINE
   ===================================================================== */
.process { background: var(--surface-2); border-block: 1px solid var(--border); }
.pipeline {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem;
  position: relative; counter-reset: step;
}
/* connecting rail */
.pipeline::before {
  content: ""; position: absolute; top: 18px; left: 8%; right: 8%; height: 2px;
  background: var(--border);
}
.pipeline::after {
  content: ""; position: absolute; top: 18px; left: 8%; height: 2px; width: var(--pipe-progress, 0%);
  max-width: 84%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 1.4s var(--ease);
}
.pipe { position: relative; padding-top: 46px; text-align: center; }
.pipe__node {
  position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--border);
  display: grid; place-items: center; transition: border-color .4s var(--ease), box-shadow .4s var(--ease);
  z-index: 1;
}
.pipe__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); transition: background .4s var(--ease); }
.pipe__title { font-size: 1.1rem; counter-increment: step; }
.pipe__title::before { content: "0" counter(step) " · "; font-family: var(--font-mono); font-size: .72rem; color: var(--muted); font-weight: 500; }
.pipe__copy { color: var(--muted); font-size: .92rem; margin-top: .5rem; }

.pipe.is-lit .pipe__node { border-color: var(--accent); box-shadow: 0 0 20px -2px var(--accent-glow); }
.pipe.is-lit .pipe__dot { background: var(--accent); }

/* =====================================================================
   ABOUT
   ===================================================================== */
.about__inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); column-gap: clamp(2rem, 5vw, 4.5rem); row-gap: clamp(2.4rem, 4vw, 3.4rem); align-items: start; }
.about__lead { grid-column: 1; }
.about__body { color: var(--muted); margin-top: 1.3rem; font-size: 1.08rem; }
.about__lead .btn { margin-top: 1.8rem; }

/* Portrait — Concept C "Architect's Plate" */
.about__portrait { grid-column: 2; position: relative; justify-self: end; margin: 0; width: min(100%, 340px); padding-block: .5rem; }
.about__portrait-glow {
  position: absolute; inset: -10% -8% -4%; z-index: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 42%, var(--blue-glow), transparent 70%);
  opacity: .22; will-change: opacity;
  animation: portraitGlow 6s ease-in-out infinite;
}
.about__portrait-arc { position: absolute; inset: 0; z-index: 0; width: 100%; height: auto; opacity: .55; pointer-events: none; overflow: visible; }
.about__portrait-frame {
  position: relative; z-index: 1; display: block; width: 100%; aspect-ratio: 1 / 1;
  -webkit-mask-image: radial-gradient(ellipse at 50% 42%, #000 55%, transparent 78%);
  mask-image: radial-gradient(ellipse at 50% 42%, #000 55%, transparent 78%);
}
.about__portrait-img {
  display: block; width: 100%; height: 100%; object-fit: contain;
  filter: saturate(1.05) contrast(1.02) brightness(.99);
}
.about__portrait-frame::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(76,141,255,.05), rgba(61,220,151,.03));
  mix-blend-mode: soft-light;
}
.about__portrait-label { position: relative; z-index: 2; margin-top: .4rem; text-align: center; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.about__portrait:hover .about__portrait-glow { opacity: .3; }
@keyframes portraitGlow { 0%, 100% { opacity: .18; } 50% { opacity: .26; } }

.about__stack { grid-column: 1 / -1; display: grid; gap: .7rem; }
.about__stack li { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; align-items: baseline; padding: .95rem 1.1rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.about__k { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.about__v { color: var(--muted); font-size: .95rem; }

/* =====================================================================
   CONTACT BAND
   ===================================================================== */
.contact {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 90% at 50% 0%, rgba(61,220,151,.08), transparent 70%),
    radial-gradient(ellipse 60% 90% at 50% 100%, rgba(76,141,255,.08), transparent 70%),
    var(--surface-2);
  border-block: 1px solid var(--border);
}
.contact__inner { max-width: 44rem; margin-inline: auto; }
.contact .eyebrow { display: block; }
.contact__title { font-size: clamp(2rem, 1.4rem + 3vw, 3.4rem); margin-top: .6rem; line-height: 1.1; }
.contact__sub { color: var(--muted); margin-top: 1rem; font-size: 1.1rem; }
.contact__cta { margin-top: 2.1rem; }
.contact__email { margin-top: 1.6rem; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.contact__email-label { font-family: var(--font-mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }

.copy {
  display: inline-flex; align-items: center; gap: .6rem; position: relative;
  font-family: var(--font-mono); font-size: 1.02rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: .7rem 1.05rem; cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.copy:hover { border-color: var(--accent); color: var(--accent); }
.copy__icon { color: var(--muted); display: inline-grid; transition: color var(--dur) var(--ease); }
.copy:hover .copy__icon { color: var(--accent); }
.copy__done { position: absolute; inset: 0; display: grid; place-items: center; background: var(--accent); color: var(--bg); font-weight: 600; border-radius: inherit; opacity: 0; transform: scale(.96); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); pointer-events: none; }
.copy.is-copied .copy__done { opacity: 1; transform: scale(1); }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer { border-top: 1px solid var(--border); background: var(--bg); padding-block: 2.75rem 1.75rem; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 1.5rem 2rem; }
.footer__tag { color: var(--muted); font-size: .9rem; margin-top: .7rem; max-width: 30ch; }
.footer__links { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; align-items: center; }
.footer__links a { color: var(--muted); font-size: .92rem; }
.footer__links a:hover { color: var(--accent); }
.footer__top { color: var(--text); font-weight: 600; font-size: .92rem; display: inline-flex; gap: .4rem; align-items: center; }
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; margin-top: 1.75rem; padding-top: 1.25rem; border-top: 1px solid var(--border); color: var(--muted); font-family: var(--font-mono); font-size: .78rem; }

/* =====================================================================
   SCROLL REVEAL (IntersectionObserver adds .is-visible)
   ===================================================================== */
/* Hidden state applies ONLY when JS is active (html.js). Without JS, or if JS
   throws before revealing, elements stay fully visible — no blank page. */
.js [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media (max-width: 980px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .value__inner, .about__inner { grid-template-columns: 1fr; }
  .about__lead, .about__portrait, .about__stack { grid-column: auto; }
  .about__portrait { justify-self: center; }
  .work__grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .statband__grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
  .services__grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr; gap: 0; }
  .pipeline::before, .pipeline::after { display: none; }
  .pipe { text-align: left; padding: 1.1rem 0 1.1rem 52px; }
  .pipe__node { top: 1.2rem; left: 8px; transform: none; }
  .pipe:not(:last-child)::before { content: ""; position: absolute; left: 20px; top: 2.6rem; bottom: -.3rem; width: 2px; background: var(--border); }
  .pipe.is-lit:not(:last-child)::before { background: linear-gradient(var(--accent), var(--accent-2)); }
  .case { grid-template-columns: 1fr; }
  .case__fig { border-right: 0; border-bottom: 1px solid var(--border); }
  .case__fig .schematic { max-width: 240px; }
  .about__stack li { grid-template-columns: 1fr; gap: .2rem; }
  .about__portrait { width: min(100%, 260px); }
}

@media (max-width: 420px) {
  .nav__cta { padding: .5rem .85rem; font-size: .85rem; }
  .status-strip { max-width: 100%; }
}

/* Larger tap targets / spacing on coarse pointers */
@media (hover: none) {
  .btn--sheen::after { animation: none; }
}

/* =====================================================================
   REDUCED MOTION — full static fallback (still premium)
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
  /* Match `.js [data-reveal]` specificity so reveal elements are always shown
     in reduced-motion mode, even if JS throws after adding the .js class. */
  [data-reveal], .js [data-reveal] { opacity: 1; transform: none; }
  .dot::after { animation: none; opacity: 0; }
  .about__portrait-glow { animation: none; opacity: .22; }
  .dot { box-shadow: 0 0 0 3px rgba(61,220,151,.18); }
  .hero__scrollcue { display: none; }
  .btn--sheen::after { display: none; }
  /* pipeline shown fully lit in static mode via JS-independent class */
  .pipeline::after { width: 84% !important; transition: none; }
  .pipe__node { border-color: var(--accent); box-shadow: 0 0 12px -2px var(--accent-glow); }
  .pipe__dot { background: var(--accent); }
}