/* ============================================================
   ERDENE.FAB — design system
   palette: graphite / bone / safety-orange
   type: Archivo (display, wide+heavy) · JetBrains Mono (hud)
   ============================================================ */

:root {
  --bg: #0a0a0b;
  --bg-2: #101012;
  --ink: #ded9cf;
  --ink-dim: #8a867e;
  --line: rgba(222, 217, 207, 0.1);
  --accent: #ff5b23;
  --accent-soft: rgba(255, 91, 35, 0.14);
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --disp: "Archivo", system-ui, sans-serif;
  --pad: clamp(1.25rem, 4vw, 4rem);
  --nav-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--disp);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--bg); }

.accent { color: var(--accent); font-style: normal; }

a { color: inherit; text-decoration: none; }

body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }

/* blueprint grid backdrop on content surface */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(222,217,207,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(222,217,207,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  z-index: 1;
}

.vignette {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background: radial-gradient(ellipse 120% 90% at 50% 40%, transparent 55%, rgba(5,5,6,0.55) 100%);
}

/* ============ canvas ============ */
#gl {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; display: block;
}

/* ============ preloader ============ */
#preloader {
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg);
  display: flex; align-items: stretch;
}
.pre-inner {
  flex: 1; display: flex; flex-direction: column;
  justify-content: space-between;
  padding: var(--pad);
}
.pre-console {
  font-family: var(--mono); font-size: 12px; line-height: 1.9;
  color: var(--ink-dim); white-space: pre-wrap;
}
.pre-console .ok { color: var(--accent); }
.pre-bottom { display: grid; gap: 12px; }
.pre-percent {
  font-family: var(--disp); font-weight: 900;
  font-size: clamp(4rem, 14vw, 11rem);
  font-stretch: 110%;
  line-height: 0.9; letter-spacing: -0.02em;
}
.pre-percent sup { font-size: 0.25em; color: var(--accent); }
.pre-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--ink-dim); }
.pre-bar { height: 2px; background: var(--line); position: relative; overflow: hidden; }
.pre-bar i {
  position: absolute; inset: 0; transform: scaleX(0); transform-origin: left;
  background: var(--accent); display: block;
}

/* ============ nav ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  mix-blend-mode: normal;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(rgba(10,10,11,0.72), rgba(10,10,11,0.35) 70%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  font-family: var(--mono); font-weight: 700; font-size: 12px;
  border: 1px solid var(--accent); color: var(--accent);
  padding: 4px 7px;
}
.logo-text { font-weight: 800; font-stretch: 115%; letter-spacing: 0.06em; font-size: 14px; }
.nav-links { display: flex; gap: clamp(1rem, 3vw, 2.5rem); }
.nav-links a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  color: var(--ink-dim); transition: color 0.25s;
  position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right; transition: transform 0.3s;
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nl-idx { color: var(--accent); margin-right: 6px; font-size: 9px; }
.nav-status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--ink-dim);
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #58ff8f; box-shadow: 0 0 8px #58ff8f;
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { opacity: 0.35; } }

/* ============ HUD ============ */
.hud {
  position: fixed; z-index: 40;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  display: grid; gap: 3px;
  pointer-events: none;
}
.hud-bl { left: var(--pad); bottom: 22px; }
.hud-br { right: var(--pad); bottom: 22px; text-align: right; }
.hud-row { display: flex; gap: 10px; }
.hud-br .hud-row { justify-content: flex-end; }
.hud-k { color: var(--ink-dim); min-width: 14px; }
.hud-v { color: var(--ink); font-variant-numeric: tabular-nums; }
.hud-v.accent { color: var(--accent); }

/* ============ sections common ============ */
section { position: relative; z-index: 5; padding: clamp(6rem, 12vh, 10rem) var(--pad); }

.sec-head {
  display: flex; align-items: baseline; gap: 18px;
  margin-bottom: clamp(3rem, 7vh, 5.5rem);
}
.sec-idx {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  border: 1px solid var(--accent); padding: 3px 8px;
}
.sec-name { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.25em; color: var(--ink-dim); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.sec-rule { flex: 1; height: 1px; background: var(--line); align-self: center; }

/* ============ hero ============ */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding-bottom: clamp(5rem, 12vh, 8rem);
}
.hero-fallback {
  position: absolute; inset: 0; display: none;
  place-items: center;
  font-weight: 900; font-stretch: 120%;
  font-size: clamp(4rem, 18vw, 16rem);
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(222,217,207,0.35);
}
body.no-3d .hero-fallback { display: grid; }
.hero-content { max-width: 1100px; }
.hero-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em;
  color: var(--ink-dim); margin-bottom: 1.4rem;
}
.hero-title {
  font-weight: 900; font-stretch: 115%;
  font-size: clamp(2.6rem, 7.2vw, 6.4rem);
  line-height: 0.98; letter-spacing: -0.015em;
  text-transform: uppercase;
}
.ht-line { display: block; overflow: hidden; padding-bottom: 0.06em; }
.ht-inner { display: inline-block; }
.hero-sub {
  margin-top: 1.6rem; max-width: 460px;
  color: var(--ink-dim); font-size: clamp(0.95rem, 1.2vw, 1.05rem);
}
.hero-scroll {
  position: absolute; right: var(--pad); bottom: clamp(5rem, 12vh, 8rem);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.hs-text {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.3em;
  writing-mode: vertical-rl; color: var(--ink-dim);
}
.hs-line { width: 1px; height: 64px; background: var(--line); position: relative; overflow: hidden; }
.hs-line::after {
  content: ""; position: absolute; left: 0; top: -50%;
  width: 100%; height: 50%; background: var(--accent);
  animation: scrollhint 1.8s ease-in-out infinite;
}
@keyframes scrollhint { to { top: 110%; } }

/* split words */
.w { display: inline-block; overflow: hidden; vertical-align: top; }
.wi { display: inline-block; will-change: transform; }

/* ============ about ============ */
.about-grid {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.about-title {
  font-weight: 800; font-stretch: 110%;
  font-size: clamp(1.7rem, 3.4vw, 3rem);
  line-height: 1.12; letter-spacing: -0.01em;
  text-wrap: balance;
}
.about-body p { color: var(--ink-dim); margin-bottom: 1.2rem; max-width: 52ch; }
.op-photo {
  margin: 0 0 1.6rem;
  border: 1px solid var(--line);
  padding: 10px;
  max-width: 300px;
  background: rgba(16, 16, 18, 0.6);
}
.op-photo img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 1 / 1; object-fit: cover;
  filter: grayscale(0.25) contrast(1.06);
}
.op-photo figcaption {
  padding-top: 10px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.22em;
  color: var(--ink-dim);
}
.spec-sheet { list-style: none; margin-top: 2.2rem; border-top: 1px solid var(--line); }
.spec-sheet li {
  display: flex; justify-content: space-between; gap: 2rem;
  padding: 0.85rem 0; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
}
.spec-sheet span { color: var(--ink-dim); white-space: nowrap; }
.spec-sheet b { font-weight: 500; text-align: right; }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(4rem, 8vh, 6rem);
  border: 1px solid var(--line);
}
.stat {
  padding: clamp(1.2rem, 2.5vw, 2.2rem);
  border-right: 1px solid var(--line);
  display: grid; gap: 8px;
}
.stat:last-child { border-right: 0; }
.stat-num {
  font-weight: 900; font-stretch: 115%;
  font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: 1;
}
.stat-num::after { content: "+"; color: var(--accent); font-size: 0.5em; vertical-align: super; }
.stat span { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.18em; color: var(--ink-dim); }

/* ============ marquee ============ */
.marquee {
  position: relative; z-index: 5;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 1.1rem 0; overflow: hidden;
  background: rgba(10,10,11,0.5);
}
.marquee-track {
  display: flex; white-space: nowrap; width: max-content;
  animation: marquee 28s linear infinite;
  font-weight: 800; font-stretch: 115%; font-size: clamp(1rem, 2vw, 1.5rem);
  letter-spacing: 0.08em; color: transparent;
  -webkit-text-stroke: 1px rgba(222,217,207,0.4);
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ process ============ */
.process { padding: 0; }
.proc-pin {
  height: 100vh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 0 0 var(--pad);
}
.sec-head.in-pin { margin-bottom: 3rem; padding-right: var(--pad); }
.proc-track {
  display: flex; gap: clamp(1.5rem, 3vw, 3rem);
  width: max-content; align-items: stretch;
  will-change: transform;
}
.proc-card {
  width: clamp(300px, 38vw, 540px);
  border: 1px solid var(--line);
  background: rgba(16,16,18,0.72);
  backdrop-filter: blur(6px);
  padding: clamp(1.6rem, 3vw, 3rem);
  display: flex; flex-direction: column; gap: 1.2rem;
  transition: border-color 0.35s;
}
.proc-card:hover { border-color: var(--accent); }
.pc-idx { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.2em; }
.proc-card h3 {
  font-weight: 900; font-stretch: 118%;
  font-size: clamp(2.2rem, 4.5vw, 4rem); line-height: 0.95;
}
.proc-card p { color: var(--ink-dim); font-size: 0.95rem; max-width: 42ch; }
.pc-tag {
  margin-top: auto; font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.14em; color: var(--ink-dim);
  border-top: 1px solid var(--line); padding-top: 1rem;
}
.proc-end {
  display: flex; align-items: center; padding: 0 6vw;
  font-family: var(--mono); letter-spacing: 0.3em; color: var(--accent); font-size: 13px;
}

/* ============ work ============ */
.work-list { border-top: 1px solid var(--line); }
.work-row {
  display: grid;
  grid-template-columns: 70px 1fr auto 80px 40px;
  align-items: center; gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.4rem, 3vh, 2.2rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.work-row::before {
  content: ""; position: absolute; inset: 0;
  background: var(--accent-soft);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: -1;
}
.work-row:hover { padding-left: 1.4rem; }
.work-row:hover::before { transform: scaleY(1); }
.wr-idx { font-family: var(--mono); font-size: 11px; color: var(--ink-dim); }
.work-row:hover .wr-idx { color: var(--accent); }
.wr-main h3 {
  font-weight: 900; font-stretch: 118%;
  font-size: clamp(1.6rem, 3.6vw, 3.2rem);
  line-height: 1; letter-spacing: -0.01em;
  transition: color 0.3s;
}
.wr-main p { color: var(--ink-dim); font-size: 0.88rem; margin-top: 0.4rem; max-width: 56ch; }
.wr-tags { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; color: var(--ink-dim); text-align: right; }
.wr-year { font-family: var(--mono); font-size: 11px; color: var(--ink-dim); text-align: right; }
.wr-arrow { font-size: 1.4rem; color: var(--ink-dim); transition: transform 0.3s, color 0.3s; }
.work-row:hover .wr-arrow { transform: translate(4px, -4px); color: var(--accent); }

.work-preview {
  position: fixed; z-index: 45; top: 0; left: 0;
  width: 310px; height: 310px;
  pointer-events: none;
  opacity: 0; transform: scale(0.85);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 14px;
  border: 1px solid rgba(222,217,207,0.25);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em;
  color: rgba(255,255,255,0.95);
  text-shadow: 0 1px 6px rgba(0,0,0,0.8);
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.work-preview.g1 { background: linear-gradient(135deg, #ff5b23 0%, #2a0c00 60%, #0a0a0b 100%); }
.work-preview.g2 { background: linear-gradient(135deg, #00e5ff 0%, #002a33 55%, #0a0a0b 100%); }
.work-preview.g3 { background: linear-gradient(135deg, #9d6bff 0%, #1b0533 55%, #0a0a0b 100%); }
.work-preview.g4 { background: linear-gradient(135deg, #ffd23e 0%, #332600 55%, #0a0a0b 100%); }
.work-preview.g5 { background: linear-gradient(135deg, #58ff8f 0%, #00331a 55%, #0a0a0b 100%); }
.wp-idx { font-size: 28px; font-weight: 700; letter-spacing: 0; }

/* ============ capabilities ============ */
.caps-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
}
.caps-h {
  font-weight: 900; font-stretch: 118%;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  margin-bottom: 1.6rem;
}
.caps-list { list-style: none; border-top: 1px solid var(--line); }
.caps-list li {
  padding: 1rem 0.2rem; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: clamp(0.78rem, 1.1vw, 0.95rem);
  letter-spacing: 0.1em; color: var(--ink-dim);
  position: relative; transition: color 0.3s, padding-left 0.3s;
}
.caps-list li::before {
  content: "▸"; color: var(--accent); margin-right: 12px;
  opacity: 0; transition: opacity 0.3s;
}
.caps-list li:hover { color: var(--ink); padding-left: 0.6rem; }
.caps-list li:hover::before { opacity: 1; }
.certs {
  margin-top: clamp(2.5rem, 5vh, 4rem);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--ink-dim);
}

/* ============ table tennis ============ */
.tt-grid {
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.tt-title {
  font-weight: 800; font-stretch: 110%;
  font-size: clamp(1.7rem, 3.4vw, 3rem);
  line-height: 1.12; letter-spacing: -0.01em;
  text-wrap: balance;
}
.tt-copy p { color: var(--ink-dim); margin-top: 1.2rem; max-width: 52ch; }
.awards { list-style: none; margin-top: 2.4rem; border-top: 1px solid var(--line); }
.awards li {
  display: grid; grid-template-columns: 56px 1fr auto;
  gap: 1.2rem; align-items: baseline;
  padding: 0.95rem 0.2rem; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
  transition: padding-left 0.3s;
}
.awards li:hover { padding-left: 0.7rem; }
.aw-year { color: var(--ink-dim); }
.aw-event { color: var(--ink); font-weight: 500; }
.aw-result { color: var(--accent); letter-spacing: 0.18em; text-align: right; }
.tt-side { position: relative; min-height: 100%; }
.tt-fig {
  margin-top: clamp(14rem, 38vh, 24rem);
  display: grid; gap: 8px;
  border: 1px solid var(--line); padding: 1rem 1.2rem;
  background: rgba(10, 10, 11, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em;
  line-height: 1.8;
}
.fig-k { color: var(--accent); }
.fig-v { color: var(--ink-dim); }

/* ============ contact ============ */
.contact {
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
}
.contact-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.25em;
  color: var(--ink-dim); margin-bottom: 2rem;
}
.contact-title {
  font-weight: 900; font-stretch: 118%;
  font-size: clamp(3rem, 10vw, 9rem);
  line-height: 0.95; letter-spacing: -0.02em;
  text-transform: uppercase;
}
.contact-actions {
  display: flex; gap: 1.4rem; align-items: center; flex-wrap: wrap; justify-content: center;
  margin-top: clamp(2.5rem, 6vh, 4rem);
}
.btn-mag {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1.3rem 3rem;
  border: 1px solid var(--accent);
  background: rgba(10, 10, 11, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
  color: var(--accent);
  will-change: transform;
}
.bm-fill {
  position: absolute; inset: 0; background: var(--accent);
  transform: translateY(101%); transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-mag:hover .bm-fill { transform: translateY(0); }
.bm-text { position: relative; z-index: 1; transition: color 0.3s; }
.btn-mag:hover .bm-text { color: var(--bg); }
.btn-ghost {
  background: rgba(10, 10, 11, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid var(--line); color: var(--ink-dim);
  padding: 1.3rem 2rem;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
  transition: border-color 0.3s, color 0.3s;
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.contact-links {
  display: flex; gap: 2.4rem; margin-top: clamp(3rem, 7vh, 5rem); flex-wrap: wrap; justify-content: center;
}
.contact-links a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--ink-dim); transition: color 0.3s, border-color 0.3s;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: rgba(10, 10, 11, 0.55);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}
.contact-links a:hover { border-color: var(--accent); }
.contact-links a:hover { color: var(--accent); }
.toast {
  position: fixed; left: 50%; bottom: 64px; z-index: 60;
  transform: translateX(-50%) translateY(24px);
  opacity: 0; visibility: hidden;
  background: var(--accent); color: var(--bg);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  padding: 12px 22px;
}

/* ============ footer ============ */
.footer {
  position: relative; z-index: 5;
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 1.6rem var(--pad) calc(1.6rem + 44px);
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--ink-dim);
}

/* ============ cursor ============ */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 200;
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
}
.cur-ring {
  position: absolute; top: -18px; left: -18px;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid #fff;
  transition: transform 0.25s, opacity 0.25s;
}
.cur-dot {
  position: absolute; top: -2px; left: -2px;
  width: 4px; height: 4px; border-radius: 50%; background: #fff;
}
.cur-h, .cur-v { position: absolute; background: rgba(255,255,255,0.6); }
.cur-h { width: 10px; height: 1px; top: 0; left: -24px; }
.cur-v { width: 1px; height: 10px; left: 0; top: -24px; }
.cursor.is-hover .cur-ring { transform: scale(1.7); opacity: 0.7; }

/* ============ reveal defaults (pre-anim states set in JS) ============ */
body.reduced [data-reveal],
body.reduced .wi { opacity: 1 !important; transform: none !important; }

/* ============ responsive ============ */
@media (max-width: 1020px) {
  .nav-status { display: none; }
  .work-row { grid-template-columns: 50px 1fr 40px; }
  .wr-tags, .wr-year { display: none; }
}
@media (max-width: 820px) {
  .nav-links { display: none; }
  .about-grid, .caps-grid, .tt-grid { grid-template-columns: 1fr; }
  .tt-fig { margin-top: 2rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .hud-bl { display: none; }
  .work-preview { display: none; }
  .hero-scroll { display: none; }
  .proc-pin { height: auto; padding: clamp(4rem, 10vh, 6rem) var(--pad); }
  .proc-track { flex-direction: column; width: 100%; }
  .proc-card { width: 100%; }
  .proc-end { display: none; }
  .footer { flex-direction: column; gap: 0.5rem; }
  .footer-mid { order: 3; }
}

@media (max-width: 820px) {
  /* backdrop-filter is expensive on mobile GPUs — solid fills instead */
  .nav, .proc-card, .btn-mag, .btn-ghost, .contact-links a, .tt-fig {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .nav { background: rgba(10, 10, 11, 0.88); }
  .proc-card { background: rgba(16, 16, 18, 0.94); }
  .btn-mag, .btn-ghost, .contact-links a, .tt-fig { background: rgba(10, 10, 11, 0.88); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track, .status-dot, .hs-line::after { animation: none; }
}