/* ============================================================
   Никита Жваев — сайт-визитка
   Swiss minimal · light/dark · emerald accent
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg:        #f3f3f0;
  --bg-2:      #ebebe6;
  --surface:   #ffffff;
  --text:      #14150f;
  --text-soft: #4a4c44;
  --muted:     #8b8d83;
  --line:      #dcdcd5;
  --line-2:    #c9c9c0;
  --accent:    #0a8f5f;   /* deep emerald for light */
  --accent-ink:#067a51;
  --accent-soft: rgba(10, 143, 95, 0.10);
  --glow:      rgba(10, 143, 95, 0.16);

  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 72px);
  --radius: 4px;

  --ff-sans: "Onest", system-ui, -apple-system, sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.7s;
}

[data-theme="dark"] {
  --bg:        #0a0b0a;
  --bg-2:      #0e100e;
  --surface:   #121512;
  --text:      #eef0ea;
  --text-soft: #b6b9b0;
  --muted:     #71756b;
  --line:      #232722;
  --line-2:    #313630;
  --accent:    #6ee7b7;   /* mint for dark */
  --accent-ink:#8df0c9;
  --accent-soft: rgba(110, 231, 183, 0.10);
  --glow:      rgba(110, 231, 183, 0.18);
}

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

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

body {
  font-family: var(--ff-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 17px;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.6s var(--ease), color 0.6s var(--ease);
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--accent); color: var(--bg); }

/* hide native cursor on fine pointers (custom cursor takes over) */
@media (hover: hover) and (pointer: fine) {
  body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }
}

/* ---------- Reactive background ---------- */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(var(--bg), var(--bg-2));
}
.bg-grid {
  position: fixed;
  inset: -2px;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.4;
  will-change: transform;
  transition: opacity 0.6s var(--ease);
}
.bg-glow {
  position: fixed;
  top: 0; left: 0;
  width: 60vmax; height: 60vmax;
  z-index: -1;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--glow), transparent 65%);
  transform: translate3d(-50%, -50%, 0);
  will-change: transform;
  filter: blur(10px);
}

/* ---------- Custom cursor ---------- */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  z-index: 9999;
  pointer-events: none;
  border-radius: 50%;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: #fff;
  transform: translate(-50%, -50%);
}
.cursor-ring {
  width: 38px; height: 38px;
  border: 1px solid #fff;
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease), height 0.25s var(--ease),
              background-color 0.25s var(--ease), opacity 0.25s var(--ease);
}
.cursor-ring.is-hover {
  width: 60px; height: 60px;
  background: rgba(255,255,255,0.08);
}
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ---------- Layout primitives ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.mono {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.accent { color: var(--accent); }

/* ---------- Top navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease),
              backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand .dot { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 2rem);
}
.nav-links a {
  position: relative;
  font-size: 0.82rem;
  color: var(--text-soft);
  padding: 0.3rem 0;
  transition: color 0.25s var(--ease);
}
.nav-links a .idx {
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  color: var(--muted);
  margin-right: 0.35em;
  vertical-align: 0.4em;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a.active::after,
.nav-links a:hover::after { transform: scaleX(1); }

@media (max-width: 760px) {
  .nav-links a:not(.theme-toggle) { display: none; }
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease),
              transform 0.4s var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); background: var(--accent-soft); }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: block; }
[data-theme="dark"] .theme-toggle .moon { display: none; }

/* scroll progress bar */
.scroll-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 250;
}

/* ---------- Section scaffolding ---------- */
.section {
  position: relative;
  padding-block: clamp(72px, 11vh, 140px);
  border-top: 1px solid var(--line);
}
.section:first-of-type { border-top: none; }
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(2.2rem, 5vw, 4rem);
}
.sec-num {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.sec-title {
  font-size: clamp(1.9rem, 4.2vw, 3.2rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.0;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  width: 100%;
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}
.hero-kicker .pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.4s infinite var(--ease);
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  70%  { box-shadow: 0 0 0 12px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.hero-name {
  font-size: clamp(3.2rem, 12vw, 9.5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.9;
  will-change: transform;
}
.hero-name .ln { display: block; overflow: hidden; }
.hero-name .ln span {
  display: block;
  transform: translateY(110%);
}
.hero-sub {
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--text-soft);
  max-width: 30ch;
  letter-spacing: -0.01em;
}
.hero-roles {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
}
.role-chip {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-soft);
  border: 1px solid var(--line-2);
  border-radius: 100px;
  padding: 0.42em 0.9em;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}
.role-chip:hover { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }

/* avatar */
.avatar-wrap {
  position: relative;
  width: clamp(180px, 24vw, 300px);
  aspect-ratio: 1;
  will-change: transform;
}
.avatar {
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--line-2);
  background:
    repeating-linear-gradient(45deg, var(--bg-2) 0 10px, transparent 10px 20px),
    var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar .ph-mono {
  position: absolute;
  bottom: 16%;
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.avatar .ph-initials {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
  opacity: 0.16;
}
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.avatar-ring {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid var(--line);
  animation: spin 28s linear infinite;
}
.avatar-ring::before {
  content: "";
  position: absolute;
  top: -3px; left: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
}
@keyframes spin { to { transform: rotate(360deg); } }

.scroll-cue {
  position: absolute;
  bottom: 28px; left: var(--gutter);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.scroll-cue .line {
  width: 46px; height: 1px;
  background: var(--line-2);
  position: relative;
  overflow: hidden;
}
.scroll-cue .line::after {
  content: "";
  position: absolute; inset: 0;
  width: 40%;
  background: var(--accent);
  animation: slide 2.2s var(--ease) infinite;
}
@keyframes slide { 0% { transform: translateX(-120%); } 100% { transform: translateX(360%); } }

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .avatar-wrap { order: -1; }
  .hero-sub { max-width: none; }
}

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0s);
}
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
  .hero-name .ln span { transform: none !important; }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.lead {
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.lead em { color: var(--accent); font-style: normal; }
.fact-list { display: grid; gap: 0; }
.fact {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.fact:last-child { border-bottom: 1px solid var(--line); }
.fact .k {
  font-family: var(--ff-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.fact .v { color: var(--text-soft); font-size: 0.98rem; }
.fact .v a { color: var(--text); border-bottom: 1px solid var(--accent); transition: color .2s var(--ease); }
.fact .v a:hover { color: var(--accent); }

@media (max-width: 760px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- Experience ---------- */
.exp-group + .exp-group { margin-top: clamp(2.4rem, 5vw, 3.6rem); }
.exp-group-label {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.exp-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  position: relative;
  transition: padding-left 0.4s var(--ease);
}
.exp-item:hover { padding-left: 18px; }
.exp-item::before {
  content: "";
  position: absolute;
  left: 0; top: 1.6rem;
  width: 0; height: 1.4em;
  border-left: 2px solid var(--accent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.exp-item:hover::before { opacity: 1; }
.exp-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
}
.exp-role { font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 600; letter-spacing: -0.02em; }
.exp-org { color: var(--accent); font-weight: 600; }
.exp-org a { border-bottom: 1px solid transparent; transition: border-color .2s; }
.exp-org a:hover { border-color: var(--accent); }
.exp-desc { color: var(--text-soft); font-size: 0.98rem; max-width: 62ch; }
.exp-desc a { color: var(--text); border-bottom: 1px solid var(--line-2); }
.exp-desc a:hover { border-color: var(--accent); }

/* ---------- Projects ---------- */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.proj {
  background: var(--surface);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 240px;
  position: relative;
  overflow: hidden;
  transition: background 0.4s var(--ease);
}
.proj::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.proj:hover::after { transform: scaleX(1); }
.proj-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.proj-tag { font-family: var(--ff-mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.proj-arrow {
  width: 34px; height: 34px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  display: grid; place-items: center;
  transition: transform 0.4s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.proj:hover .proj-arrow { transform: rotate(-45deg); border-color: var(--accent); background: var(--accent-soft); }
.proj-logo {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  color: var(--accent);
  background: var(--accent-soft);
  flex-shrink: 0;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.4s var(--ease);
}
.proj-logo svg {
  width: 26px;
  height: 26px;
}
.proj:hover .proj-logo {
  border-color: var(--accent);
  transform: scale(1.08);
}
.proj-name { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; margin-top: auto; }
.proj-desc { color: var(--text-soft); font-size: 0.95rem; }

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.4rem, 6vw, 6rem);
  align-items: start;
}
.skill-bars { display: grid; gap: 1.5rem; }
.skill-bar .top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
}
.skill-bar .name { font-weight: 500; font-size: 0.98rem; }
.skill-bar .pct { font-family: var(--ff-mono); font-size: 0.7rem; color: var(--muted); }
.skill-track {
  height: 3px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.skill-fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: var(--accent);
  transition: width 1.1s var(--ease);
}
.skill-cats { display: grid; gap: 1.8rem; }
.skill-cat .cat-label {
  font-family: var(--ff-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-size: 0.85rem;
  color: var(--text-soft);
  border: 1px solid var(--line-2);
  padding: 0.34em 0.8em;
  border-radius: 3px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.tag:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }

@media (max-width: 820px) { .skills-grid { grid-template-columns: 1fr; } }

/* ---------- Soft skills ---------- */
.soft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.soft {
  background: var(--surface);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.soft .n { font-family: var(--ff-mono); font-size: 0.66rem; color: var(--accent); letter-spacing: 0.12em; }
.soft .t { font-size: 1.02rem; font-weight: 500; letter-spacing: -0.01em; }

/* ---------- Education ---------- */
.edu-list { display: grid; }
.edu {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 1.8rem 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.edu:last-child { border-bottom: 1px solid var(--line); }
.edu .years { font-family: var(--ff-mono); font-size: 0.78rem; color: var(--accent); letter-spacing: 0.04em; }
.edu .body .place { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; letter-spacing: -0.02em; }
.edu .body .meta { color: var(--text-soft); font-size: 0.95rem; margin-top: 0.3rem; }
@media (max-width: 600px) { .edu { grid-template-columns: 1fr; gap: 0.4rem; } }

/* ---------- Certificates ---------- */
.cert-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  align-items: start;
}
@media (max-width: 900px) { .cert-gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cert-gallery { grid-template-columns: 1fr; } }
.cert {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  position: relative;
  will-change: transform;
  transition: border-color 0.3s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.cert:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,0,0,0.10); }
.cert img {
  width: 100%;
  height: auto;
  display: block;
}
.cert figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--line);
}
.cert .c-name { font-weight: 600; letter-spacing: -0.01em; font-size: 0.92rem; }
.cert .c-tag { font-family: var(--ff-mono); font-size: 0.58rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.cert .c-zoom {
  position: absolute;
  top: 12px; right: 12px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.cert:hover .c-zoom { opacity: 1; transform: scale(1); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9500;
  background: color-mix(in srgb, #000 86%, transparent);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: clamp(20px, 5vw, 64px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 100%;
  max-height: 88vh;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  transform: scale(0.96);
  transition: transform 0.45s var(--ease);
}
.lightbox.open img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 24px; right: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.06);
  color: #fff;
  display: grid; place-items: center;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.lightbox-close:hover { background: rgba(255,255,255,0.16); transform: rotate(90deg); }
.lightbox-cap {
  position: absolute;
  bottom: 26px; left: 0; right: 0;
  text-align: center;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

/* ---------- Contact / footer ---------- */
.contact {
  border-top: 1px solid var(--line);
  padding-block: clamp(80px, 12vh, 160px);
}
.contact-head {
  font-size: clamp(2.4rem, 8vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.contact-head a { position: relative; }
.contact-head a::after {
  content: "";
  position: absolute; left: 0; bottom: 0.08em;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.contact-head a:hover::after { transform: scaleX(1); }
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.c-link {
  flex: 1 1 240px;
  background: var(--surface);
  padding: 1.6rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: background 0.3s var(--ease);
}
.c-link:hover { background: var(--accent-soft); }
.c-link .lab { font-family: var(--ff-mono); font-size: 0.64rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.c-link .val { font-size: 1.15rem; font-weight: 500; letter-spacing: -0.01em; }

.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.4rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}
.footer .mono { color: var(--muted); }

/* ---------- Boot (intro) ---------- */
.boot {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--bg);
  display: grid;
  place-items: center;
  transition: opacity 0.7s var(--ease), visibility 0.7s var(--ease);
}
.boot.done { opacity: 0; visibility: hidden; }
.boot .count {
  font-family: var(--ff-mono);
  font-size: clamp(3rem, 14vw, 9rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--text);
}
.boot .boot-label {
  position: absolute;
  bottom: 36px; left: var(--gutter);
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}