@import url('https://fonts.googleapis.com/css2?family=Anton&family=Geist:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  --bg: #101212;
  --surface: #1b1c1c;
  --surface-high: #292a2a;
  --text: #ffffff;
  --muted: #bdc2c2;
  --border: #454949;
  --accent: #ccff00;
  --black: #101212;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Geist", system-ui, sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.mono { font-family: "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.display { font-family: "Anton", Impact, sans-serif; text-transform: uppercase; letter-spacing: .02em; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(16, 18, 18, .94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font: 24px/1 "Anton", sans-serif; letter-spacing: .03em; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 28px; font: 700 12px/1 "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .08em; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--accent); }
.language-switch { display: inline-flex; border: 1px solid var(--border); }
.language-switch a { min-width: 38px; padding: 9px 10px; text-align: center; }
.language-switch a[aria-current="page"] { color: var(--black); background: var(--accent); }

.hero { min-height: calc(100vh - 76px); display: grid; align-items: center; padding: 80px 0; border-bottom: 1px solid var(--border); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 72px; }
.hero h1 { max-width: 760px; margin: 0; font: clamp(58px, 8.2vw, 116px)/.9 "Anton", sans-serif; text-transform: uppercase; letter-spacing: -.01em; }
.hero h1 span { color: var(--accent); }
.hero-copy { max-width: 650px; margin: 28px 0 34px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; padding: 0 24px; border: 2px solid var(--text); font: 700 13px/1 "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.button-primary { color: var(--black); background: var(--accent); border-color: var(--accent); }
.button:hover, .button:focus-visible { color: var(--black); background: var(--text); border-color: var(--text); }

.phone {
  width: min(100%, 390px);
  margin-inline: auto;
  padding: 16px;
  border: 2px solid var(--text);
  background: #0b0d0d;
  box-shadow: 18px 18px 0 var(--accent);
}
.phone-top { display: flex; align-items: center; gap: 9px; padding: 8px 4px 18px; border-bottom: 1px solid var(--border); }
.phone-top img { width: 34px; height: 34px; object-fit: contain; }
.phone-top strong { font: 22px/1 "Anton", sans-serif; text-transform: uppercase; }
.phone-sub { color: var(--muted); font: 9px/1.2 "JetBrains Mono", monospace; text-transform: uppercase; }
.exercise { margin-top: 16px; padding: 18px; border: 1px solid var(--border); background: var(--surface); }
.exercise.active { border: 2px solid var(--text); }
.exercise h3 { margin: 0; font: 25px/1.1 "Anton", sans-serif; text-transform: uppercase; }
.exercise-meta { display: flex; justify-content: space-between; margin-top: 18px; color: var(--muted); font: 10px/1 "JetBrains Mono", monospace; text-transform: uppercase; }
.set-row { display: grid; grid-template-columns: 28px 1fr 1fr; gap: 8px; align-items: center; margin-top: 10px; font-family: "JetBrains Mono", monospace; }
.set-value { min-height: 46px; display: grid; place-items: center; border: 1px solid var(--border); color: var(--muted); background: #202222; }
.set-row.current .set-value { color: var(--black); background: var(--accent); border-color: var(--accent); font-weight: 700; }

.section { padding: 110px 0; border-bottom: 1px solid var(--border); }
.section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: end; margin-bottom: 54px; }
.section-index { color: var(--accent); font: 700 12px/1 "JetBrains Mono", monospace; letter-spacing: .12em; }
.section h2 { margin: 10px 0 0; font: clamp(42px, 6vw, 74px)/.95 "Anton", sans-serif; text-transform: uppercase; }
.section-intro { margin: 0; color: var(--muted); font-size: 20px; }

.feature-list { border-top: 1px solid var(--border); }
.feature { display: grid; grid-template-columns: 80px .8fr 1.2fr; gap: 30px; padding: 34px 0; border-bottom: 1px solid var(--border); }
.feature-number { color: var(--accent); font: 700 13px/1 "JetBrains Mono", monospace; }
.feature h3 { margin: 0; font: 32px/1 "Anton", sans-serif; text-transform: uppercase; }
.feature p { margin: 0; color: var(--muted); }

.cloud-band { color: var(--black); background: var(--accent); }
.cloud-band .section-index, .cloud-band .section-intro { color: #283300; }
.cloud-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.privacy-points { display: grid; gap: 12px; }
.privacy-point { padding: 20px; border: 2px solid var(--black); font-weight: 700; }

.cta { padding: 100px 0; text-align: center; }
.cta h2 { max-width: 900px; margin: 0 auto 30px; font: clamp(48px, 7vw, 92px)/.95 "Anton", sans-serif; text-transform: uppercase; }

.site-footer { padding: 42px 0; border-top: 1px solid var(--border); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; align-items: flex-end; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; color: var(--muted); font: 700 11px/1 "JetBrains Mono", monospace; text-transform: uppercase; }
.footer-links a:hover { color: var(--accent); }
.copyright { margin-top: 14px; color: #7f8585; font-size: 13px; }

.legal-hero { padding: 90px 0 58px; border-bottom: 1px solid var(--border); }
.legal-hero h1 { max-width: 900px; margin: 0; font: clamp(52px, 8vw, 96px)/.95 "Anton", sans-serif; text-transform: uppercase; }
.legal-meta { margin-top: 24px; color: var(--accent); font: 700 12px/1.5 "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .07em; }
.legal-layout { display: grid; grid-template-columns: 260px minmax(0, 760px); gap: 70px; padding: 72px 0 110px; }
.legal-nav { position: sticky; top: 110px; align-self: start; display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); }
.legal-nav a { padding: 15px; background: var(--surface); font: 700 11px/1.3 "JetBrains Mono", monospace; text-transform: uppercase; }
.legal-nav a:hover { color: var(--black); background: var(--accent); }
.legal-content h2 { margin: 54px 0 14px; font: 32px/1.1 "Anton", sans-serif; text-transform: uppercase; scroll-margin-top: 110px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { margin-top: 26px; font-size: 18px; }
.legal-content p, .legal-content li { color: var(--muted); }
.legal-content li + li { margin-top: 9px; }
.legal-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.notice { margin: 30px 0; padding: 22px; border: 1px solid var(--accent); background: #171b10; }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 30px 0; }
.support-card { padding: 24px; border: 1px solid var(--border); background: var(--surface); }
.support-card h3 { margin: 0 0 8px; font: 24px/1 "Anton", sans-serif; text-transform: uppercase; }
.support-card p { margin: 0; }

@media (max-width: 820px) {
  .nav { min-height: 68px; }
  .nav-links > a:not(.nav-keep) { display: none; }
  .hero { padding: 58px 0 78px; }
  .hero-grid, .section-head, .cloud-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 56px; }
  .phone { max-width: 340px; box-shadow: 10px 10px 0 var(--accent); }
  .section { padding: 78px 0; }
  .section-head { gap: 24px; margin-bottom: 38px; }
  .feature { grid-template-columns: 46px 1fr; gap: 18px; }
  .feature p { grid-column: 2; }
  .legal-layout { grid-template-columns: 1fr; gap: 36px; padding-top: 42px; }
  .legal-nav { position: static; grid-template-columns: repeat(2, 1fr); }
  .support-grid { grid-template-columns: 1fr; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 480px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .hero h1 { font-size: 54px; }
  .hero-copy { font-size: 17px; }
  .button { width: 100%; }
  .section h2 { font-size: 43px; }
  .feature { grid-template-columns: 34px 1fr; }
  .feature h3 { font-size: 27px; }
  .legal-nav { grid-template-columns: 1fr; }
}

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