:root {
  color-scheme: dark;
  --bg: #111513;
  --panel: #191f1b;
  --panel-deep: #151a17;
  --line: #333d36;
  --muted: #aab6ad;
  --text: #f3f3e9;
  --mint: #b7f3d2;
  --ink: #14201a;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 5px; }
section:focus { outline: none; }
::selection { color: var(--ink); background: var(--mint); }

.shell { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.symbols { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.2em; height: 1.2em; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.visually-hidden, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.skip-link:focus { position: absolute; z-index: 5; top: 12px; left: 12px; padding: .8rem 1rem; background: var(--mint); color: var(--ink); }

.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { display: inline-flex; align-items: center; flex: none; min-height: 44px; }
.brand img { width: 146px; height: auto; }
#site-nav { display: flex; align-items: center; gap: clamp(16px, 2.65vw, 40px); }
#site-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: .91rem; font-weight: 600; color: var(--muted); }
#site-nav a:hover, .back-top:hover { color: var(--mint); }
.header-link { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 43px; padding: .5rem .85rem; border: 1px solid var(--line); border-radius: 6px; color: var(--mint); font-size: .86rem; font-weight: 700; white-space: nowrap; }
.header-link:hover { border-color: var(--mint); }
.menu-toggle { display: none; }

.hero { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; column-gap: clamp(28px, 4vw, 64px); padding-top: clamp(54px, 6.25vw, 94px); }
.hero-copy { padding-block: 10px 18px; }
.status { display: inline-flex; align-items: center; gap: .52rem; min-height: 29px; padding: .3rem .63rem; border: 1px solid #475c50; border-radius: 100px; color: var(--mint); background: #1c2820; font: 600 .7rem/1 var(--mono); letter-spacing: .045em; white-space: nowrap; }
.status > span, .art-top i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 9px #b7f3d25c; flex: none; }
.status.compact { min-height: 25px; font-size: .64rem; }
h1, h2 { font-weight: 700; letter-spacing: -.045em; }
h1 { font-size: clamp(3rem, 6.08vw, 5.85rem); line-height: 1.01; margin-top: 25px; }
h1 em { color: var(--mint); font-style: normal; }
.hero-description { color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.62; margin-top: 26px; max-width: 30ch; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero .actions { margin-top: 29px; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 48px; padding: .65rem .86rem; border-radius: 6px; border: 1px solid transparent; font-size: .9rem; font-weight: 700; white-space: nowrap; transition: background-color 160ms, border-color 160ms; }
.button.primary { color: var(--ink); background: var(--mint); }
.button.primary:hover { background: #d7fae7; }
.button.secondary { color: var(--text); border-color: #49574e; background: #1c231f; }
.button.secondary:hover { background: #29352d; border-color: var(--mint); }
.hero-art { position: relative; border: 1px solid #3a4b40; border-radius: 12px; overflow: hidden; background: #151d18; }
.network-art { display: block; width: 100%; height: auto; }
.network-pulse { stroke-dasharray: 5 95; stroke-dashoffset: 100; animation: follow-river 6s linear infinite; }
@keyframes follow-river {
  0% { stroke-dashoffset: 100; opacity: 0; }
  8% { opacity: 1; }
  84% { opacity: 1; }
  94%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
.art-top, .art-bottom, .figure-label { position: absolute; display: flex; justify-content: space-between; align-items: center; left: 4.3%; right: 4.3%; color: #a9bdb0; font: .62rem/1.2 var(--mono); letter-spacing: .095em; }
.art-top { top: 5%; }
.art-top span:first-child { display: flex; align-items: center; gap: 8px; }
.art-bottom { bottom: 5%; }
.art-scale { display: block; width: 56px; height: 6px; border: 1px solid #789282; border-top: 0; background: repeating-linear-gradient(90deg, transparent 0 13px, #789282 13px 14px) left bottom / 100% 4px no-repeat; }
.hero-index { display: flex; grid-column: 1 / -1; gap: 30px; margin-top: clamp(35px, 5.1vw, 76px); min-height: 52px; align-items: center; border-block: 1px solid var(--line); font: .65rem/1.2 var(--mono); letter-spacing: .095em; color: var(--muted); }
.hero-index b { color: var(--mint); font-weight: 500; margin-right: 5px; }
.index-end { margin-left: auto; }

.section { padding-block: clamp(66px, 7.4vw, 112px); }
.vpn-section { display: grid; grid-template-columns: .83fr 1.17fr; gap: clamp(30px, 7.2vw, 108px); align-items: center; border-bottom: 1px solid var(--line); }
.eyebrow { font: 600 .72rem/1.35 var(--mono); color: var(--muted); letter-spacing: .105em; margin-bottom: 13px; }
.eyebrow span { color: var(--mint); }
h2 { font-size: clamp(2.5rem, 4.7vw, 4.55rem); line-height: 1.02; }
.section-copy { color: var(--muted); font-size: 1.05rem; line-height: 1.65; max-width: 44ch; }
.vpn-copy .status { margin-block: 16px 13px; }
.small-note { color: var(--muted); font-size: .89rem; line-height: 1.58; }
.vpn-copy .small-note { border-left: 1px solid #607e6a; padding-left: 12px; margin-top: 19px; }
.vpn-art { position: relative; padding: 75px 22px 44px; border: 1px solid var(--line); border-radius: 10px; background: radial-gradient(ellipse at 50% 50%, #202c24, #171e19 72%); overflow: hidden; }
.vpn-art::before { position: absolute; inset: 0; pointer-events: none; content: ""; background: radial-gradient(circle, #adc5b24a 1px, transparent 1.5px) 0 0 / 15px 15px; mask-image: radial-gradient(ellipse, #000 0%, transparent 77%); }
.figure-label { top: 19px; }
.tunnel-diagram { position: relative; display: grid; grid-template-columns: 1fr 1.45fr 1fr; align-items: start; text-align: center; }
.tunnel-end { display: grid; justify-items: center; gap: 14px; }
.tunnel-end > span, .tunnel-caption { color: var(--muted); font: .59rem/1.3 var(--mono); letter-spacing: .05em; }
.tunnel-icon { display: grid; place-items: center; width: 66px; height: 66px; border: 1px solid #536b5b; background: #1d2a22; border-radius: 14px; color: var(--mint); font-size: 1.6rem; }
.tunnel-line { position: relative; min-width: 0; display: grid; justify-items: center; padding-top: 16px; gap: 14px; }
.tunnel-line::before { content: ""; position: absolute; top: 32px; left: -13%; right: -13%; border-top: 1px dashed #83a791; }
.tunnel-lock { display: grid; place-items: center; z-index: 1; background: #2a3e30; color: var(--mint); border: 1px solid #607e6a; border-radius: 50%; width: 34px; height: 34px; }
.tunnel-caption { padding: 2px 5px; color: var(--mint); }

.section-heading { display: grid; grid-template-columns: 1.35fr 1fr; align-items: end; gap: 18px 44px; margin-bottom: 34px; }
.section-heading .status { margin-bottom: 8px; }
.proxy-grid, .compare-grid, .flow-grid { display: grid; gap: 12px; }
.proxy-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.proxy-card, .compare-card, .flow { border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.proxy-card { padding: clamp(17px, 2.4vw, 32px); }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 23px; }
.tile-icon { display: inline-grid; place-items: center; width: 43px; height: 43px; color: var(--mint); background: #233329; border: 1px solid #3b5444; border-radius: 8px; font-size: 1.18rem; flex: none; }
.type-tag { color: var(--muted); font: .59rem/1.3 var(--mono); letter-spacing: .04em; text-align: right; }
.proxy-card h3, .flow h3 { font-size: clamp(1.27rem, 2vw, 1.7rem); line-height: 1.12; letter-spacing: -.043em; margin-bottom: 9px; }
.proxy-card p, .flow p, .location-note p { color: var(--muted); font-size: .94rem; line-height: 1.56; }
.product-note { margin-top: 16px; }

.comparison { background: var(--panel-deep); border-block: 1px solid var(--line); }
.compare-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compare-card { padding: 21px 20px 19px; }
.compare-card:first-child { border-color: #587561; background: #1c2920; }
.compare-family { display: flex; align-items: center; gap: 6px; color: var(--mint); font: .68rem/1.3 var(--mono); letter-spacing: .08em; margin-bottom: 10px; }
.compare-card h3 { font-size: clamp(1.08rem, 1.9vw, 1.35rem); letter-spacing: -.04em; line-height: 1.15; margin-bottom: 16px; }
.compare-card dl { display: grid; gap: 10px; }
.compare-card dl div { padding-top: 10px; border-top: 1px solid var(--line); }
.compare-card dt { font: .64rem/1.25 var(--mono); text-transform: uppercase; color: var(--muted); letter-spacing: .06em; margin-bottom: 5px; }
.compare-card dd { font-size: .9rem; line-height: 1.43; }
.compare-card dl > div:first-child { min-height: 78px; }
.location-note { display: flex; align-items: center; gap: 13px; margin-top: 14px; padding: 14px 17px; border: 1px dashed #536758; border-radius: 8px; }
.location-note h3 { font-size: 1rem; line-height: 1.25; margin-bottom: 3px; }

.flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.flow { padding: clamp(18px, 2.5vw, 35px); }
.flow h3 { display: flex; align-items: center; gap: 11px; margin-bottom: 20px; }
.flow ol { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.flow li { display: flex; gap: 13px; align-items: flex-start; padding-block: 13px; border-top: 1px solid var(--line); counter-increment: step; }
.flow li:last-child { padding-bottom: 0; }
.flow li::before { content: "0" counter(step); display: grid; place-items: center; min-width: 28px; height: 28px; color: var(--mint); font: .69rem/1 var(--mono); border: 1px solid #465c4e; border-radius: 50%; }
.flow h4 { font-size: 1rem; line-height: 1.3; margin-bottom: 4px; }

.faq-section { border-top: 1px solid var(--line); display: grid; grid-template-columns: .85fr 1.15fr; gap: 25px 55px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 2px; min-height: 56px; font-size: 1rem; font-weight: 650; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary:hover { color: var(--mint); }
summary span { display: grid; place-items: center; width: 27px; height: 27px; flex: none; border: 1px solid #465c4e; border-radius: 50%; color: var(--mint); }
summary span::before, summary span::after { grid-area: 1 / 1; content: ""; width: 9px; height: 1px; background: currentColor; }
summary span::after { transform: rotate(90deg); }
details[open] summary span::after { transform: none; }
details p { color: var(--muted); font-size: .94rem; line-height: 1.6; padding: 0 37px 16px 2px; }

.end-wrap { padding-bottom: clamp(36px, 5vw, 64px); }
.end-panel { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 22px; padding: clamp(24px, 4.4vw, 63px); border: 1px solid #486353; border-radius: 10px; background: radial-gradient(ellipse at 5% 0%, #283b30, #1b2820 65%, #1a251e); }
.end-panel .eyebrow { color: var(--mint); }
.end-panel h2 { font-size: clamp(2.25rem, 4.4vw, 4rem); }
.site-footer { min-height: 90px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 7px 22px; color: var(--muted); font-size: .85rem; }
.back-top { display: inline-flex; align-items: center; gap: 5px; min-height: 44px; }

@media (max-width: 1080px) {
  .shell { width: calc(100% - 72px); }
}

@media (max-width: 780px) {
  .shell { width: calc(100% - 44px); }
  .header-inner { position: relative; min-height: 65px; flex-wrap: wrap; gap: 0 16px; }
  .brand img { width: 133px; }
  .header-link { display: none; }
  .menu-toggle { display: inline-flex; gap: 9px; align-items: center; min-height: 44px; padding: .45rem .65rem; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-deep); font-size: .85rem; font-weight: 650; cursor: pointer; }
  .menu-glyph { display: grid; gap: 4px; width: 15px; color: var(--mint); }
  .menu-glyph::before, .menu-glyph::after { content: ""; height: 1px; background: currentColor; }
  .menu-toggle[aria-expanded="true"] .menu-glyph::before { transform: translateY(2.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-glyph::after { transform: translateY(-2.5px) rotate(-45deg); }
  #site-nav { width: 100%; flex-wrap: wrap; padding-block: 4px 9px; border-top: 1px solid var(--line); gap: 0 13px; }
  #site-nav a { padding-inline: 5px; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(3.15rem, 10vw, 5rem); margin-top: 18px; }
  .hero-description { margin-top: 18px; }
  .hero .actions { margin-top: 21px; }
  .hero-art { width: min(100%, 530px); margin-top: 25px; }
  .hero-index { margin-top: 25px; min-height: 42px; }
  .vpn-section { grid-template-columns: 1fr; }
  .vpn-art { min-height: 205px; }
  .section-heading { grid-template-columns: 1fr; margin-bottom: 24px; }
  .compare-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-section { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .section { padding-block: 57px; }
  .proxy-grid, .flow-grid { grid-template-columns: 1fr; }
  .card-top { margin-bottom: 15px; }
  .index-end { display: none; }
}

@media (max-width: 410px) {
  .shell { width: calc(100% - 36px); }
  .art-top, .art-bottom, .figure-label { font-size: .55rem; }
  .compare-card { padding-inline: 12px; }
  .compare-card h3 { min-height: 2.3em; margin-bottom: 7px; }
  .compare-card dl > div:first-child { min-height: 90px; }
  .vpn-art { padding-inline: 14px; }
  .tunnel-icon { width: 54px; height: 54px; }
  .tunnel-line { padding-top: 10px; }
  .tunnel-line::before { top: 26px; }
}

@media (max-width: 350px) {
  h1 { font-size: 2.8rem; }
  .button { gap: 6px; padding-inline: .64rem; font-size: .83rem; }
  .end-panel .button { width: 100%; }
  .site-footer .brand { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .network-pulse { display: none; animation: none; }
  .button { transition: none; }
}
