/* ============================================================
   Александр Макушев — сайт-визитка
   Design tokens + components
   Mono (JetBrains Mono), warm-dark base,
   single orange accent, line-graph motif.
   ============================================================ */

:root {
  /* warm near-black dark base */
  --bg:        #0e0d0c;
  --bg-2:      #16140f;
  --bg-3:      #1d1a14;
  --card:      #151310;
  --card-hi:   #1c1914;
  --text:      #ece7df;
  --dim:       #9b958a;
  --faint:     #6a655c;
  --line:      rgba(236, 231, 223, 0.10);
  --line-2:    rgba(236, 231, 223, 0.18);
  --line-grid: rgba(236, 231, 223, 0.045);

  /* accent — electric orange */
  --accent:    #ff7a45;
  --accent-2:  #ff9a6e;
  --accent-ink:#1a0d05;
  --glow:      rgba(255, 122, 69, 0.16);
  --glow-2:    rgba(255, 122, 69, 0.32);

  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 64px);

  --serif: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 14px;
}

[data-theme="light"] {
  --bg:        #f4f1ea;
  --bg-2:      #efebe2;
  --bg-3:      #e8e3d8;
  --card:      #fffdf8;
  --card-hi:   #fffefb;
  --text:      #211e18;
  --dim:       #5f594e;
  --faint:     #8d8678;
  --line:      rgba(33, 30, 24, 0.12);
  --line-2:    rgba(33, 30, 24, 0.22);
  --line-grid: rgba(33, 30, 24, 0.05);
  --accent:    #e85f25;
  --accent-2:  #c94f1c;
  --accent-ink:#fff6f0;
  --glow:      rgba(232, 95, 37, 0.12);
  --glow-2:    rgba(232, 95, 37, 0.22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}

#root { position: relative; z-index: 1; }

::selection { background: var(--glow-2); color: var(--text); }

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

/* focus visibility for keyboard users */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- layout primitives ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }

.section { position: relative; padding: clamp(72px, 11vh, 140px) 0; }
.section-line { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
  opacity: 0.7;
}
.eyebrow .idx { color: var(--faint); }

.h-sec {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 4.2vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.04em;
  margin: 18px 0 0;
  text-wrap: balance;
}
.sec-sub {
  color: var(--dim);
  max-width: 56ch;
  margin: 16px 0 0;
  font-size: 18px;
}

.mono { font-family: var(--mono); }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px var(--gut);
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), padding 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
  padding-top: 10px; padding-bottom: 10px;
}
.brand {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 500;
  white-space: nowrap;
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--glow-2);
  animation: pulse 3.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow-2); }
  50% { box-shadow: 0 0 0 6px transparent; }
}
@media (prefers-reduced-motion: reduce) { .brand .dot { animation: none; } }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--dim);
  padding: 8px 12px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--line-grid); }
.nav-links a .n { color: var(--faint); margin-right: 5px; }

.nav-right { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 38px; height: 38px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.icon-btn:hover { border-color: var(--accent); background: var(--glow); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn svg { width: 17px; height: 17px; }

.burger { display: none; }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: color-mix(in oklab, var(--bg) 94%, transparent);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center;
  gap: 6px; padding: 0 var(--gut);
  opacity: 0; pointer-events: none;
  transition: opacity 0.32s var(--ease);
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-family: var(--serif);
  font-size: clamp(30px, 9vw, 46px);
  font-weight: 600;
  letter-spacing: -0.02em;
  padding: 8px 0;
  display: flex; align-items: baseline; gap: 16px;
  border-bottom: 1px solid var(--line);
  transform: translateY(14px); opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease), color 0.2s;
}
.mobile-menu.open a { transform: translateY(0); opacity: 1; }
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu a .n {
  font-family: var(--mono); font-size: 13px; color: var(--accent);
  font-weight: 400;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 13.5px; letter-spacing: 0.02em;
  padding: 13px 22px;
  border-radius: 11px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s, border-color 0.2s, box-shadow 0.3s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent); color: var(--accent-ink);
  font-weight: 600;
  box-shadow: 0 6px 22px -8px var(--glow-2);
}
.btn-primary:hover {
  box-shadow: 0 10px 34px -8px var(--glow-2);
  transform: translateY(-2px);
}
.btn-primary .arr { display: inline-flex; transition: transform 0.25s var(--ease); }
.btn-primary:hover .arr { transform: translateX(4px) translateY(4px); }
.btn-ghost {
  background: transparent; color: var(--text);
  border-color: var(--line-2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- reveal (content visible by default; .pre hides for entrance) ---------- */
.reveal {
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
.reveal.pre {
  opacity: 0;
  transform: translateY(22px);
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.pre { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 90px; padding-bottom: 60px;
  overflow: hidden;
}
.hero-grid-status {
  position: absolute; top: 96px; right: var(--gut);
  font-family: var(--mono); font-size: 11.5px;
  color: var(--faint); text-align: right; line-height: 1.9;
  display: none;
}
.hero-grid-status b { color: var(--accent); font-weight: 500; }

.hero-eyebrow { margin-bottom: 26px; }

.hero-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(48px, 10vw, 134px);
  line-height: 0.94;
  letter-spacing: -0.05em;
  margin: 0;
  text-wrap: balance;
}
.hero-name .ln2 { color: var(--dim); }
[data-theme="light"] .hero-name .ln2 { color: var(--faint); }

.hero-aka {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono);
  font-size: 12.5px; letter-spacing: 0.06em;
  color: var(--faint);
  margin: 14px 0 0;
  transition: color 0.2s;
}
.hero-aka .accent { color: var(--accent); }
.hero-aka:hover { color: var(--dim); }

.hero-roles {
  font-family: var(--mono);
  font-size: clamp(13px, 1.6vw, 16px);
  letter-spacing: 0.05em;
  color: var(--text);
  margin: 22px 0 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
}
.hero-roles .sep { color: var(--accent); }

.hero-slogan {
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.45;
  color: var(--dim);
  max-width: 30ch;
  margin: 30px 0 0;
  text-wrap: pretty;
}
.hero-slogan b { color: var(--text); font-weight: 600; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 42px; }

.hero-scroll {
  position: absolute; bottom: 26px; left: var(--gut);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--faint);
  display: flex; align-items: center; gap: 12px;
}
.hero-scroll .bar { width: 46px; height: 1px; background: var(--line-2); position: relative; overflow: hidden; }
.hero-scroll .bar::after {
  content: ""; position: absolute; inset: 0; width: 40%;
  background: var(--accent);
  animation: track 2.6s var(--ease) infinite;
}
@keyframes track { 0% { transform: translateX(-110%);} 100% { transform: translateX(280%);} }
@media (prefers-reduced-motion: reduce) { .hero-scroll .bar::after { animation: none; } }

/* hero variant — editorial split */
.hero.v-edit .hero-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: end; }
.hero.v-edit .hero-side {
  border-left: 1px solid var(--line);
  padding-left: 34px;
  align-self: stretch;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 22px;
  padding-bottom: 6px;
}
.hero-stat .v { font-family: var(--serif); font-size: clamp(34px,4vw,52px); font-weight: 600; letter-spacing: -0.02em; line-height: 1; }
.hero-stat .v .accent { color: var(--accent); }
.hero-stat .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; color: var(--faint); margin-top: 8px; }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: clamp(36px, 6vw, 90px); align-items: start; }
.about-lead {
  font-size: clamp(22px, 2.7vw, 30px);
  line-height: 1.42;
  letter-spacing: -0.01em;
  text-wrap: pretty;
  margin: 0;
}
.about-lead b { color: var(--accent); font-weight: 600; }
.about-body { color: var(--dim); margin: 26px 0 0; font-size: 18px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em;
  color: var(--dim);
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.tag::before { content: "// "; color: var(--accent); opacity: 0.8; }
.about-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 26px;
}
.about-card .row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 13px;
}
.about-card .row:last-child { border-bottom: 0; padding-bottom: 0; }
.about-card .row:first-child { padding-top: 0; }
.about-card .row .k { color: var(--faint); }
.about-card .row .v { color: var(--text); text-align: right; }
.about-card .row .v .accent { color: var(--accent); }

/* ============================================================
   PORTFOLIO
   ============================================================ */
.port-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.filter {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em;
  color: var(--dim); background: transparent;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 15px; cursor: pointer;
  transition: all 0.2s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--line-2); }
.filter.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); font-weight: 600; }

.port-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  margin-top: 38px;
}
.card-wrap { display: flex; }
.card {
  width: 100%;
  position: relative;
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 24px;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s, background 0.3s;
}
.card::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--glow), transparent 60%);
  opacity: 0; transition: opacity 0.4s; pointer-events: none;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-2);
  background: var(--card-hi);
  box-shadow: 0 26px 60px -34px rgba(0,0,0,0.65);
}
.card:hover::after { opacity: 1; }
.card.wide .card-body { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.card.wide .card-aside { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }
.card.wide .card-aside .card-links { margin-top: 0; padding-top: 0; border-top: 0; }

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.card-no { font-family: var(--mono); font-size: 12px; color: var(--faint); letter-spacing: 0.04em; }
.status {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--dim);
  padding: 5px 11px; border: 1px solid var(--line); border-radius: 999px;
}
.status i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.status.idle i { background: var(--faint); }

.card-title { font-family: var(--serif); font-weight: 700; font-size: clamp(21px, 2.3vw, 28px); letter-spacing: -0.03em; line-height: 1.12; margin: 0; }
.featured .card-title { font-size: clamp(30px, 4vw, 46px); }
.card-desc { color: var(--dim); margin: 12px 0 0; font-size: 16.5px; line-height: 1.5; text-wrap: pretty; }
.featured .card-desc { font-size: clamp(17px, 1.9vw, 21px); max-width: 60ch; }

.featured .card-body { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.featured .card-figure {
  align-self: stretch; min-height: 200px;
  position: relative; overflow: hidden;
  display: grid; place-items: center;
}
.featured .card-figure-slot {
  border: 1px solid var(--line-2); border-radius: 10px;
  background:
    repeating-linear-gradient(135deg, var(--line-grid) 0 1px, transparent 1px 11px),
    var(--bg-2);
}
.featured .card-figure .ph {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--faint);
  border: 1px dashed var(--line-2); padding: 8px 14px; border-radius: 8px;
}

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.chip {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.01em;
  color: var(--dim);
  padding: 5px 10px; border-radius: 7px;
  background: var(--bg-2);
  border: 1px solid var(--line);
}
[data-theme="light"] .chip { background: var(--bg-3); }

.card-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.card-link {
  font-family: var(--mono); font-size: 12.5px;
  color: var(--text);
  display: inline-flex; align-items: center; gap: 7px;
  transition: color 0.2s, gap 0.2s;
}
.card-link svg { width: 14px; height: 14px; }
.card-link:hover { color: var(--accent); gap: 10px; }
.card-link.dim { color: var(--faint); }
.card-spacer { flex: 1; }

/* ============================================================
   TALKS
   ============================================================ */
.talks-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) 1fr;
  gap: clamp(20px, 4vw, 46px);
  align-items: start;
  margin-top: 38px;
}
.talks-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.talks-photo {
  margin: 0; position: relative;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--bg-2);
}
.talks-photo img {
  width: 100%; height: 100%; display: block;
  aspect-ratio: 3 / 4; object-fit: cover; object-position: 50% 20%;
  filter: saturate(0.96) contrast(1.02);
}
.talks-photo.sub img { object-position: 50% 24%; }
.talks-photo figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; gap: 7px;
  padding: 24px 12px 11px;
  font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.62));
}
[data-theme="light"] .talks-photo figcaption { color: #fff; }
.talks-photo figcaption .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}
.talks-cards { display: flex; flex-direction: column; gap: 18px; }

/* desktop: stretch the photo pair to match the cards column height */
@media (min-width: 961px) {
  .talks-layout { align-items: stretch; }
  .talks-photos { height: 100%; }
  .talks-photo { height: 100%; }
  .talks-photo img { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; }
}
.talks-note {
  border: 1px dashed var(--line-2); border-radius: 12px;
  padding: 16px 18px; color: var(--dim); font-size: 13px;
}

.talk-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); overflow: hidden; height: 100%;
  transition: transform 0.4s var(--ease), border-color 0.3s, background 0.3s, box-shadow 0.4s;
}
.talk-card:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--card-hi); box-shadow: 0 26px 60px -34px rgba(0,0,0,0.6); }
.talk-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-2); }
.talk-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(0.9) brightness(0.92); transition: transform 0.5s var(--ease), filter 0.3s; }
.talk-card:hover .talk-thumb img { transform: scale(1.05); filter: saturate(1) brightness(1); }
.talk-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, color-mix(in oklab, var(--card) 70%, transparent)); }
.talk-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; z-index: 1;
  box-shadow: 0 10px 30px -8px var(--glow-2);
  transition: transform 0.3s var(--ease);
}
.talk-play svg { width: 22px; height: 22px; margin-left: 2px; }
.talk-card:hover .talk-play { transform: translate(-50%,-50%) scale(1.12); }
.talk-meta { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.talk-venue { font-size: 11.5px; letter-spacing: 0.06em; color: var(--accent); text-transform: uppercase; }
.talk-title { font-family: var(--serif); font-weight: 600; font-size: 22px; letter-spacing: -0.01em; margin: 0; line-height: 1.2; }
.talk-link { font-size: 12.5px; color: var(--dim); display: inline-flex; align-items: center; gap: 7px; margin-top: auto; padding-top: 10px; transition: color 0.2s, gap 0.2s; }
.talk-link svg { width: 13px; height: 13px; }
.talk-card:hover .talk-link { color: var(--accent); gap: 10px; }

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 38px; }
.skill-group {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); padding: 24px 26px;
  transition: border-color 0.3s, background 0.3s;
}
.skill-group:hover { border-color: var(--line-2); }
.skill-group .gh {
  display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px;
}
.skill-group .gh .gn { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.skill-group .gh .gt { font-family: var(--serif); font-weight: 600; font-size: 21px; letter-spacing: -0.01em; }
.skill-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-chip {
  font-family: var(--mono); font-size: 13px;
  color: var(--text);
  padding: 7px 13px; border-radius: 8px;
  background: var(--bg-2); border: 1px solid var(--line);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
[data-theme="light"] .skill-chip { background: var(--bg-3); }
.skill-chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ============================================================
   BEYOND
   ============================================================ */
.beyond-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 38px; }
.beyond-grid > .reveal { display: flex; }
.tile {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); padding: 28px;
  overflow: hidden; min-height: 280px;
  width: 100%;
  display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease), border-color 0.3s, background 0.3s;
}
.tile:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--card-hi); }
.tile .tnum { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.tile .tglyph { font-family: var(--serif); font-weight: 700; font-size: 64px; line-height: 1; color: var(--accent); letter-spacing: -0.03em; margin: 14px 0 2px; min-height: 72px; display: flex; align-items: flex-end; }
.tile .tbig { font-family: var(--serif); font-weight: 700; font-size: 60px; line-height: 1; letter-spacing: -0.04em; margin: 14px 0 2px; min-height: 72px; display: flex; align-items: flex-end; }
.tile .tbig .u { color: var(--accent); font-size: 26px; align-self: flex-end; margin-bottom: 4px; }
.tile h3 { font-family: var(--serif); font-weight: 600; font-size: 23px; margin: 14px 0 0; letter-spacing: -0.01em; }
.tile p { color: var(--dim); margin: 10px 0 0; font-size: 16px; line-height: 1.5; text-wrap: pretty; }
.tile .tnote { font-family: var(--mono); font-size: 11.5px; color: var(--faint); margin-top: auto; padding-top: 18px; }
.tile .tnote .accent { color: var(--accent); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.contact-h {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(34px, 5.6vw, 70px); line-height: 1.0; letter-spacing: -0.05em;
  margin: 18px 0 0; text-wrap: balance;
}
.contact-h .accent { color: var(--accent); }
.contact-sub { color: var(--dim); margin: 22px 0 0; font-size: 19px; max-width: 40ch; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; gap: 18px;
  border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 22px; background: var(--card);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.contact-link:hover { transform: translateX(6px); border-color: var(--accent); background: var(--card-hi); }
.contact-link .ci {
  width: 42px; height: 42px; flex: none; border-radius: 10px;
  display: grid; place-items: center;
  border: 1px solid var(--line-2); color: var(--accent);
}
.contact-link .ci svg { width: 19px; height: 19px; }
.contact-link .cmeta { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.contact-link .ck { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.contact-link .cv { font-family: var(--serif); font-size: 19px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact-link .carr { margin-left: auto; color: var(--faint); display: inline-flex; transition: transform 0.25s, color 0.2s; }
.contact-link:hover .carr { color: var(--accent); transform: translateX(4px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding: 40px 0 54px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer .fbrand { font-family: var(--mono); font-size: 13px; color: var(--dim); }
.footer .fbrand b { color: var(--text); font-weight: 500; }
.footer .fegg { font-family: var(--mono); font-size: 12px; color: var(--faint); }
.footer .fegg .accent { color: var(--accent); }
.footer .ftop {
  font-family: var(--mono); font-size: 12px; color: var(--dim);
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  background: none; border: none; transition: color 0.2s;
}
.footer .ftop:hover { color: var(--accent); }

/* ============================================================
   BACKGROUND MOTIF
   ============================================================ */
#bg-canvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 1100px) { .hero-grid-status { display: block; } }

@media (max-width: 960px) {
  .nav-links { display: none; }
  .burger { display: inline-grid; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .featured .card-body { grid-template-columns: 1fr; }
  .card.wide .card-body { grid-template-columns: 1fr; gap: 22px; align-items: start; }
  .featured .card-figure { min-height: 150px; }
  .talks-layout { grid-template-columns: 1fr; }
  .talks-photo img { aspect-ratio: 16 / 11; object-position: 50% 26%; }
  .hero.v-edit .hero-inner { grid-template-columns: 1fr; }
  .hero.v-edit .hero-side { border-left: 0; padding-left: 0; flex-direction: row; flex-wrap: wrap; gap: 28px 40px; margin-top: 30px; }
}

@media (max-width: 720px) {
  body { font-size: 17px; }
  .skills-grid { grid-template-columns: 1fr; }
  .beyond-grid { grid-template-columns: 1fr; }
  .port-grid { gap: 14px; }
  /* single column: every card spans full width */
  .port-grid .card-wrap { grid-column: span 6 !important; }
}

@media (max-width: 480px) {
  :root { --gut: 18px; }
  .hero-roles { font-size: 12px; }
  .btn { width: 100%; justify-content: center; }
  .hero-cta { width: 100%; }
}