:root {
  color-scheme: dark;
  --bg: #000;
  --surface: #111315;
  --surface-soft: #191b1d;
  --text: #f6f7f8;
  --muted: #8a8e93;
  --line: rgba(255,255,255,.13);
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--bg); color: var(--text); font-family: Inter, "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(calc(100% - 40px), var(--content)); margin-inline: auto; }

.header { position: absolute; z-index: 10; inset: 0 0 auto; height: 78px; }
.header-inner { display: flex; height: 100%; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 750; letter-spacing: .18em; }
.brand-mark { position: relative; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; background: #020202; box-shadow: 0 0 20px rgba(255,255,255,.17); }
.brand-mark::after { position: absolute; top: -1px; right: 6px; width: 10px; height: 4px; border-radius: 50%; background: #fff; filter: blur(3px); content: ""; opacity: .8; }
.nav { display: flex; gap: 30px; color: #afb2b7; font-size: 13px; }
.nav a, .footer a { transition: color .2s ease; }
.nav a:hover, .footer a:hover { color: #fff; }

.hero { position: relative; display: grid; min-height: max(760px,100svh); overflow: hidden; align-items: center; padding: 120px 0 80px; text-align: center; }
.hero::before { position: absolute; inset: 0; background: linear-gradient(to bottom,rgba(0,0,0,.06),rgba(0,0,0,.15) 55%,#000 100%), url("black-vpn-eclipse.png") center 38%/cover no-repeat; content: ""; opacity: .9; }
.hero::after { position: absolute; inset: 0; background: radial-gradient(circle at 50% 43%,transparent 0,rgba(0,0,0,.08) 31%,rgba(0,0,0,.62) 74%); content: ""; }
.hero-content { position: relative; z-index: 2; display: grid; justify-items: center; padding-top: 82px; }
.eyebrow { display: inline-flex; align-items: center; gap: 11px; margin: 0 0 22px; color: #d2d4d7; font-size: 12px; font-weight: 750; letter-spacing: .2em; }
.eyebrow::before { width: 22px; height: 1px; background: currentColor; content: ""; }
.hero h1 { max-width: 1020px; margin: 0; font-size: clamp(62px,8vw,116px); font-weight: 560; letter-spacing: -.065em; line-height: .92; }
.hero-copy { max-width: 610px; margin: 27px 0 0; color: #a9acb1; font-size: clamp(17px,2vw,21px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; min-height: 56px; align-items: center; justify-content: center; gap: 11px; padding: 0 25px; border: 1px solid transparent; border-radius: 999px; font-size: 15px; font-weight: 680; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible { outline: 2px solid #fff; outline-offset: 4px; }
.button svg { width: 18px; height: 18px; fill: currentColor; }
.button-primary { background: #f6f7f8; color: #000; box-shadow: 0 13px 34px rgba(255,255,255,.12); }
.button-primary:hover { background: #fff; }
.button-secondary { border-color: rgba(255,255,255,.25); background: rgba(17,19,21,.62); backdrop-filter: blur(16px); }
.hero-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px 22px; margin-top: 18px; color: #777b80; font-size: 12px; }
.hero-meta span::before, .file-meta span::before { display: inline-block; width: 4px; height: 4px; margin-right: 9px; border-radius: 50%; background: currentColor; content: ""; vertical-align: middle; }

.section { position: relative; padding: 124px 0; }
.section-eyebrow { margin-bottom: 26px; color: #aeb1b5; }
.section h2 { max-width: 920px; margin: 0; font-size: clamp(46px,6vw,78px); font-weight: 560; letter-spacing: -.055em; line-height: .96; }
.feature-grid { display: grid; margin-top: 66px; grid-template-columns: repeat(3,1fr); gap: 16px; }
.feature-card { display: flex; min-height: 320px; flex-direction: column; justify-content: space-between; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(150deg,rgba(25,27,29,.84),rgba(7,8,9,.94)); transition: transform .25s ease,border-color .25s ease; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,.27); }
.feature-card > span { color: #666a6f; font-size: 11px; font-weight: 750; letter-spacing: .15em; }
.feature-card h3 { max-width: 290px; margin: 0; font-size: 25px; font-weight: 570; letter-spacing: -.03em; }
.feature-card p { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.interface-section { border-top: 1px solid rgba(255,255,255,.08); }
.interface-grid { display: grid; align-items: center; grid-template-columns: .9fr 1.1fr; gap: clamp(55px,9vw,130px); }
.interface-copy > p:not(.eyebrow) { max-width: 520px; margin: 25px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.text-link { display: inline-flex; gap: 10px; margin-top: 30px; color: #d2d4d7; font-size: 14px; font-weight: 650; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.app-window { overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 28px; background: rgba(6,7,8,.95); box-shadow: 0 50px 110px rgba(0,0,0,.72); transform: perspective(1200px) rotateY(-5deg) rotateX(2deg); }
.window-bar { display: flex; height: 54px; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid var(--line); color: #9da0a5; font-size: 10px; letter-spacing: .18em; }
.dots { display: flex; gap: 7px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: #43464a; }
.window-body { padding: 26px; }
.location { display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; background: #111315; }
.location > b { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; font-size: 14px; }
.location strong, .location small { display: block; }
.location strong { font-size: 14px; }
.location small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.location em { margin-left: auto; color: #8d9196; font-size: 11px; font-style: normal; }
.connection { display: grid; justify-items: center; padding: 42px 0 34px; }
.switch { position: relative; width: 142px; height: 70px; border: 1px solid #5a5e63; border-radius: 999px; background: #151719; box-shadow: inset 0 2px 12px rgba(0,0,0,.75); }
.switch i { position: absolute; top: 5px; right: 5px; width: 58px; height: 58px; border: 4px solid #9a9ea3; border-radius: 50%; background: #111315; box-shadow: 0 8px 24px #000; }
.connection > strong { margin-top: 17px; font-size: 19px; }
.connection > small { margin-top: 5px; color: var(--muted); font-size: 11px; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.stats > div { padding: 13px; border: 1px solid rgba(255,255,255,.1); border-radius: 10px; background: #111315; }
.stats small, .stats b { display: block; }
.stats small { color: #70747a; font-size: 9px; letter-spacing: .08em; }
.stats b { margin-top: 5px; font-size: 13px; }

.download-section { border-top: 1px solid rgba(255,255,255,.08); background: radial-gradient(circle at 50% 80%,#181a1d 0,transparent 38%); }
.download-grid { display: grid; margin-top: 64px; grid-template-columns: repeat(2,1fr); gap: 18px; }
.download-card { padding: 34px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg,rgba(25,27,29,.92),rgba(5,6,7,.97)); }
.platform-head { display: flex; align-items: center; gap: 16px; }
.platform-icon { display: grid; width: 50px; height: 50px; place-items: center; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: #0a0b0c; }
.platform-icon svg { width: 22px; height: 22px; fill: #f6f7f8; }
.platform-head span:not(.platform-icon) { color: #74787d; font-size: 9px; font-weight: 750; letter-spacing: .14em; }
.platform-head h3 { margin: 2px 0 0; font-size: 31px; font-weight: 580; letter-spacing: -.04em; }
.download-card > p:not(.notice) { margin: 24px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.file-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 22px 0; color: #85898e; font-size: 11px; }
.wide { width: 100%; }
.alternatives { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; }
.alternatives a { padding-bottom: 2px; border-bottom: 1px solid #55595e; color: #a6a9ae; font-size: 12px; }
.checksum { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 18px; color: #7a7e83; font-size: 11px; }
.checksum code { color: #aeb1b5; }
.notice { display: flex; gap: 10px; margin: 24px 0 0; color: #777b80; font-size: 11px; line-height: 1.55; }
.notice::before { display: grid; width: 18px; height: 18px; flex: 0 0 18px; place-items: center; border: 1px solid #5c6065; border-radius: 50%; content: "i"; font-size: 10px; font-weight: 700; }

.footer { padding: 34px 0 42px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.footer p { color: #696d72; font-size: 12px; }
.footer nav { display: flex; gap: 22px; color: #8f9398; font-size: 12px; }
.toast { position: fixed; z-index: 50; right: 22px; bottom: 22px; visibility: hidden; max-width: 350px; padding: 16px 19px; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(17,19,21,.96); box-shadow: 0 20px 70px #000; color: #e1e2e4; font-size: 13px; opacity: 0; transform: translateY(14px); transition: .22s ease; }
.toast.show { visibility: visible; opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 240px; }
  .interface-grid { grid-template-columns: 1fr; }
  .app-window { width: min(100%,560px); margin: 0 auto; transform: none; }
  .download-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { width: min(calc(100% - 28px),var(--content)); }
  .header { height: 68px; }
  .brand > span:last-child { display: none; }
  .nav { gap: 17px; font-size: 11px; }
  .nav a:not(:last-child) { display: none; }
  .hero { min-height: 780px; padding-top: 95px; }
  .hero-content { padding-top: 35px; }
  .eyebrow { font-size: 9px; letter-spacing: .15em; }
  .hero h1 { font-size: clamp(45px,13.2vw,60px); line-height: .94; }
  .hero-copy { max-width: 350px; font-size: 15px; }
  .hero-actions { width: 100%; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-meta { flex-direction: column; gap: 7px; }
  .section { padding: 88px 0; }
  .section h2 { font-size: clamp(43px,13vw,62px); }
  .feature-grid { margin-top: 44px; }
  .feature-card { min-height: 220px; padding: 23px; }
  .feature-card h3 { font-size: 22px; }
  .window-body { padding: 18px; }
  .location { padding: 13px; }
  .stats { gap: 5px; }
  .stats > div { padding: 9px; }
  .download-grid { margin-top: 42px; }
  .download-card { padding: 24px 20px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
