:root {
  --bg: #05060a;
  --bg-2: #0b0d16;
  --panel: rgba(18, 21, 36, 0.55);
  --line: rgba(140, 160, 255, 0.14);
  --line-strong: rgba(140, 160, 255, 0.32);
  --text: #e9ecff;
  --muted: #8b91b3;
  --cyan: #00f0ff;
  --violet: #7b5cff;
  --magenta: #ff2bd6;
  --green: #3dffa2;
  --grad: linear-gradient(100deg, var(--cyan), var(--violet) 50%, var(--magenta));
  --radius: 20px;
  --gutter: clamp(16px, 5vw, 64px);
  --max: 1200px;
  --f-display: 'Unbounded', system-ui, sans-serif;
  --f-body: 'Manrope', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 var(--f-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--f-display); margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
.mono { font-family: var(--f-mono); }
::selection { background: var(--magenta); color: #fff; }

/* ---------- фон ---------- */
#space { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -3; }
.grid-floor {
  position: fixed; left: -50%; right: -50%; bottom: -10vh; height: 55vh; z-index: -2;
  background:
    linear-gradient(to top, transparent, var(--bg) 92%),
    repeating-linear-gradient(90deg, rgba(123,92,255,.22) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(0,240,255,.18) 0 1px, transparent 1px 80px);
  transform: perspective(500px) rotateX(62deg);
  transform-origin: bottom;
  animation: floor 6s linear infinite;
  mask-image: linear-gradient(to top, #000 10%, transparent 90%);
  pointer-events: none;
}
@keyframes floor { to { background-position: 0 0, 0 0, 0 80px; } }
.noise {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- шапка ---------- */
.header {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(var(--max), calc(100% - 2 * 16px));
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px 10px 18px; z-index: 50;
  background: rgba(8, 10, 20, .6);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--line); border-radius: 999px;
}
.logo { display: flex; align-items: center; gap: 10px; font: 800 15px var(--f-display); letter-spacing: .14em; }
.logo__mark {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad); color: var(--bg); letter-spacing: 0;
  box-shadow: 0 0 24px rgba(123,92,255,.6);
}
.nav { display: flex; gap: 4px; align-items: center; }
.nav a { padding: 8px 14px; border-radius: 999px; color: var(--muted); font-size: 15px; transition: color .2s, background .2s; }
.nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.nav .nav__cta { color: var(--bg); background: var(--text); font-weight: 700; }
.nav .nav__cta:hover { color: var(--bg); background: var(--cyan); }
.burger { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); transition: transform .3s, top .3s; }
.burger span:first-child { top: 16px; } .burger span:last-child { top: 24px; }
.burger[aria-expanded="true"] span:first-child { top: 20px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 20px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  max-width: var(--max); margin: 0 auto; padding: 120px var(--gutter) 80px; position: relative;
}
.hero__status { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: .18em; color: var(--cyan); margin-bottom: 28px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.hero__title { font-size: clamp(28px, 10vw, 150px); line-height: .95; font-weight: 800; display: flex; flex-direction: column; text-transform: uppercase; }
.gradient { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 30px rgba(123,92,255,.35)); }
.hero__lead { margin-top: 32px; font-size: clamp(18px, 2.2vw, 24px); color: var(--muted); max-width: 640px; }
.typer { display: inline-block; margin-top: 8px; color: var(--text); font-size: .9em; }
.caret { color: var(--magenta); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 28px; border-radius: 14px; font-weight: 700; font-size: 16px;
  transition: transform .2s, box-shadow .3s, background .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--grad); color: #07070d; box-shadow: 0 10px 40px -10px rgba(123,92,255,.8); }
.btn--primary:hover { box-shadow: 0 14px 50px -8px rgba(255,43,214,.7); }
.btn--ghost { border: 1px solid var(--line-strong); background: rgba(255,255,255,.03); }
.btn--ghost:hover { border-color: var(--cyan); box-shadow: 0 0 24px -6px var(--cyan) inset; }
.stats { display: flex; flex-wrap: wrap; gap: clamp(24px, 6vw, 72px); margin: 64px 0 0; }
.stat dt { font-size: 11px; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; }
.stat dd { margin: 4px 0 0; font: 600 clamp(28px, 4vw, 44px) var(--f-display); }
.scroll-hint { position: absolute; bottom: 28px; left: var(--gutter); font-size: 11px; letter-spacing: .3em; color: var(--muted); animation: float 2.4s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(6px); } }

/* глитч */
.glitch { position: relative; display: inline-block; width: fit-content; }
.glitch::before, .glitch::after {
  content: attr(data-text); position: absolute; inset: 0; pointer-events: none; opacity: 0;
}
.glitch::before { color: var(--cyan); }
.glitch::after { color: var(--magenta); }
.glitch.gradient::before, .glitch.gradient::after { -webkit-background-clip: initial; background-clip: initial; }
.glitch.is-glitching::before { opacity: .8; animation: g1 .35s steps(2) both; }
.glitch.is-glitching::after { opacity: .8; animation: g2 .35s steps(2) both; }
@keyframes g1 { 0% { clip-path: inset(10% 0 60% 0); transform: translate(-6px, -2px); } 50% { clip-path: inset(55% 0 20% 0); transform: translate(5px, 1px); } 100% { clip-path: inset(30% 0 40% 0); transform: translate(-3px, 0); } }
@keyframes g2 { 0% { clip-path: inset(65% 0 5% 0); transform: translate(6px, 2px); } 50% { clip-path: inset(15% 0 70% 0); transform: translate(-5px, -1px); } 100% { clip-path: inset(40% 0 35% 0); transform: translate(3px, 0); } }

/* ---------- секции ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(80px, 12vw, 140px) var(--gutter) 0; }
.section__head { margin-bottom: clamp(32px, 5vw, 56px); }
.section__index { display: block; font-size: 12px; letter-spacing: .24em; color: var(--cyan); margin-bottom: 14px; }
.section h2 { font-size: clamp(32px, 6vw, 72px); font-weight: 800; line-height: 1.05; }
.section__sub { margin-top: 16px; color: var(--muted); font-size: 19px; }

/* панель со «стеклом» и подсветкой за курсором */
.card, .work, .step, .contact, .terminal {
  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  overflow: hidden; isolation: isolate;
}
.card::before, .work::before, .contact::before {
  content: ''; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent, var(--violet)) 22%, transparent), transparent 60%);
}
.card:hover::before, .work:hover::before, .contact:hover::before { opacity: 1; }

/* услуги */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { padding: 32px 28px; transition: transform .35s, border-color .3s; }
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.card::after { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--accent); box-shadow: 0 0 20px var(--accent); opacity: .8; }
.card__icon { width: 56px; height: 56px; margin-bottom: 24px; color: var(--accent); filter: drop-shadow(0 0 10px var(--accent)); }
.card__icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 22px; margin-bottom: 12px; }
.card p { color: var(--muted); }
.card ul { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.card li { display: flex; gap: 10px; align-items: baseline; font-size: 15px; }
.card li::before { content: '▸'; color: var(--accent); }

/* портфолио */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter {
  font: 500 14px var(--f-mono); padding: 10px 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-strong); background: transparent; color: var(--muted); transition: all .2s;
}
.filter:hover { color: var(--text); border-color: var(--text); }
.filter[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.works { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 20px; }
.work { display: flex; flex-direction: column; transition: transform .35s, border-color .3s; animation: appear .5s both; }
.work:hover { transform: translateY(-4px); border-color: var(--line-strong); }
@keyframes appear { from { opacity: 0; transform: translateY(16px); } }
.work__media { aspect-ratio: 16/10; background: var(--bg-2); position: relative; overflow: hidden; }
.work__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.work:hover .work__media img { transform: scale(1.05); }
.work__media--empty { display: grid; place-items: center; background:
  linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
  repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 10px, transparent 10px 20px); }
.work__media--empty span { font: 600 12px var(--f-mono); letter-spacing: .3em; color: var(--accent); }
.work__body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.work__cat { font: 500 11px var(--f-mono); letter-spacing: .2em; color: var(--accent); text-transform: uppercase; }
.work h3 { font-size: 19px; }
.work p { color: var(--muted); font-size: 15px; }
.work audio { width: 100%; margin-top: 6px; height: 36px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.tags span { font: 12px var(--f-mono); padding: 4px 10px; border-radius: 6px; background: rgba(255,255,255,.05); color: var(--muted); }
.work__link { font: 600 13px var(--f-mono); color: var(--text); margin-top: 6px; }
.work__link:hover { color: var(--cyan); }
.work:has(.work__link--case) { cursor: pointer; }

/* процесс */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { padding: 28px 24px; }
.step__num { display: block; font-size: 44px; font-weight: 600; line-height: 1; margin-bottom: 18px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .9; }
.step h3 { font-size: 18px; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; }

/* обо мне */
.about__body { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 48px; align-items: start; }
.about__body > p { font-size: 19px; color: #c6cbea; grid-column: 1; }
.about__body > p + p { margin-top: -8px; }
.terminal { grid-column: 2; grid-row: 1 / span 2; font-size: 14px; }
.terminal__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.terminal__bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.terminal__bar i:nth-child(2) { background: #febc2e; } .terminal__bar i:nth-child(3) { background: #28c840; }
.terminal__bar span { margin-left: 10px; }
.terminal pre { margin: 0; padding: 20px; white-space: pre-wrap; line-height: 1.8; color: #c6cbea; font: inherit; }
.terminal .c { color: var(--cyan); }

/* контакты */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact { padding: 28px; display: grid; gap: 10px; transition: transform .3s, border-color .3s; --accent: var(--cyan); }
.contact:nth-child(2) { --accent: var(--violet); } .contact:nth-child(3) { --accent: var(--magenta); }
.contact:hover { transform: translateY(-4px); border-color: var(--accent); }
.contact__label { font-size: 12px; letter-spacing: .24em; color: var(--accent); }
.contact__value { font: 600 clamp(17px, 1.8vw, 21px) var(--f-display); word-break: break-word; }
.contact__go { position: absolute; top: 24px; right: 26px; font-size: 22px; color: var(--muted); transition: transform .3s, color .3s; }
.contact:hover .contact__go { transform: translateX(4px) rotate(-45deg); color: var(--accent); }

.footer {
  max-width: var(--max); margin: clamp(80px, 12vw, 140px) auto 0; padding: 28px var(--gutter) 40px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: var(--muted); border-top: 1px solid var(--line);
}

/* появление при скролле */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- адаптив ---------- */
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .about__body { grid-template-columns: 1fr; }
  .about__body > p, .terminal { grid-column: auto; grid-row: auto; }
}
@media (max-width: 760px) {
  .burger { display: block; }
  .nav {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0; flex-direction: column; align-items: stretch;
    padding: 12px; border-radius: var(--radius); background: rgba(8,10,20,.95); border: 1px solid var(--line);
    opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity .25s, transform .25s;
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 14px 16px; font-size: 17px; }
  .nav .nav__cta { text-align: center; margin-top: 6px; }
  .steps, .cards { grid-template-columns: 1fr; }
  .btn { flex: 1 1 100%; }
  .scroll-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}