:root {
  --bg: #f6f7f9;
  --bg-alt: #ffffff;
  --ink: #0d1319;
  --ink-2: #1b2430;
  --muted: #5e6a78;
  --muted-2: #7c8795;
  --line: #e4e8ed;
  --line-strong: #d5dbe3;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --accent: #0f8f7e;
  --accent-bright: #14b8a6;
  --accent-deep: #0b7667;
  --accent-soft: #e8f5f2;
  --danger: #c24141;
  --warning: #b7791f;
  --info: #2563eb;
  --dark: #0f151c;
  --dark-2: #151d26;
  --dark-muted: #9aa8b6;
  --dark-text: #f2f6fa;
  --radius: 10px;
  --container: 1160px;
  --font: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "Cascadia Mono", Consolas, "SFMono-Regular", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: var(--accent-soft); color: var(--accent-deep); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button { color: inherit; }
svg { display: block; }
code { font-family: var(--mono); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: #f6f7f9; }
::-webkit-scrollbar-thumb { background: #cdd4dc; border: 3px solid #f6f7f9; border-radius: 9px; }
::-webkit-scrollbar-thumb:hover { background: #b6c0cb; }

.bg-grid, .bg-glow, .orb, .float-card, .mock-float { display: none !important; }

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 100;
  padding: 11px 16px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 650;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 12px rgba(13, 19, 25, 0.035);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 31px;
  height: 35px;
  filter: drop-shadow(0 4px 8px rgba(15, 143, 126, 0.12));
}
.brand-copy { display: flex; flex-direction: column; gap: 0; line-height: 1; }
.wordmark {
  display: inline-block;
  font-size: 20px;
  font-weight: 760;
  letter-spacing: -0.045em;
  line-height: 1.08;
  color: var(--ink);
  background: none;
  -webkit-text-fill-color: currentColor;
}
.brand-sub {
  margin-top: 3px;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--muted-2);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  font-size: 13.5px;
  color: var(--muted);
}
.nav-links > a:not(.btn) {
  padding: 5px 0;
  transition: color 0.18s ease;
}
.nav-links > a:not(.btn):hover { color: var(--ink); }
.nav-cta { margin-left: 2px; }
.mobile-cta, .mobile-toggle { display: none; }
.nav-links .mobile-cta { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 650;
  letter-spacing: -0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  box-shadow: 0 1px 2px rgba(13, 19, 25, 0.1);
}
.btn-primary:hover {
  background: #1c2632;
  border-color: #1c2632;
  transform: translateY(-1px);
}
.btn-ghost {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover {
  background: #f9fafb;
  border-color: #c2cbd5;
  transform: translateY(-1px);
}
.btn-large { min-height: 48px; padding: 0 20px; font-size: 14px; border-radius: 9px; }
.btn-large svg { width: 17px; height: 17px; }

/* Hero */
.hero {
  background: #fff;
  padding: 78px 0 0;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 64px;
  align-items: center;
  min-height: 560px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-bright);
  box-shadow: 0 0 0 3px var(--accent-soft);
  flex: 0 0 auto;
}
.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(3rem, 4.9vw, 4.85rem);
  line-height: 1.01;
  letter-spacing: -0.058em;
  font-weight: 790;
  color: var(--ink);
}
.hero h1 .grad, .grad {
  background: none;
  -webkit-text-fill-color: currentColor;
  color: var(--accent);
}
.lede {
  max-width: 540px;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.75;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-meta {
  margin: 18px 0 0;
  font-size: 11px;
  color: var(--muted-2);
}
.hero-meta span { margin: 0 5px; color: #b3bdc8; }

.hero-visual {
  position: relative;
  min-width: 0;
  padding-bottom: 28px;
}
.hero-visual::before {
  content: "";
  position: absolute;
  left: 42px;
  right: 0;
  top: 34px;
  bottom: 0;
  border-radius: 14px;
  background: var(--accent-soft);
  z-index: 0;
}
.app-window {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid #1c2630;
  border-radius: 12px;
  background: #0a1016;
  box-shadow: 0 28px 60px rgba(16, 24, 32, 0.17);
}
.window-bar {
  height: 35px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #0d151d;
}
.window-dots { display: inline-flex; gap: 5px; flex: 0 0 auto; }
.window-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2b3a48;
}
.window-dots i:first-child { background: #d76561; }
.window-dots i:nth-child(2) { background: #c49a48; }
.window-dots i:nth-child(3) { background: #4c9e72; }
.window-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 9.5px;
  letter-spacing: 0.02em;
  color: #8494a4;
}
.window-pill {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 7px;
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 99px;
  background: rgba(20, 184, 166, 0.08);
  color: #5eead4;
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.window-pill .live-dot { width: 4px; height: 4px; box-shadow: none; background: #2dd4bf; }
.app-window img { width: 100%; height: auto; }
.shot-caption {
  position: relative;
  z-index: 1;
  margin: 13px 0 0;
  text-align: center;
  font-size: 10px;
  color: var(--muted-2);
}

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 58px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.trust-strip span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 9.5px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.trust-strip span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-bright);
}

/* Sections */
.section {
  position: relative;
  padding: 92px 0;
  border-top: 1px solid var(--line);
  background: var(--bg);
  scroll-margin-top: 88px;
}
#scanner, #how, #faq { background: #fff; }
.section-head { max-width: 700px; margin-bottom: 44px; }
.section-head h2 {
  margin: 0 0 16px;
  font-size: clamp(2.05rem, 3.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.047em;
  font-weight: 760;
  color: var(--ink);
}
.section-head p { margin: 0; max-width: 610px; color: var(--muted); font-size: 0.98rem; }
.section .eyebrow { margin-bottom: 16px; }

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.feature {
  min-height: 214px;
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.feature:hover {
  border-color: var(--line-strong);
  box-shadow: 0 12px 26px rgba(13, 19, 25, 0.055);
  transform: translateY(-2px);
}
.feature-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 20px;
  border: 1px solid #d1e8e2;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-deep);
}
.feature-icon svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.feature-tag {
  display: block;
  margin-bottom: 6px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.feature h3 { margin: 0 0 8px; font-size: 1.01rem; letter-spacing: -0.02em; font-weight: 680; }
.feature p { margin: 0; color: var(--muted); font-size: 0.89rem; line-height: 1.65; }

/* Showcase */
.showcase-section { padding: 96px 0; }
.showcase {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 70px;
  align-items: center;
}
.showcase-reverse { grid-template-columns: 1.06fr 0.94fr; }
.showcase-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 3.35vw, 2.85rem);
  line-height: 1.08;
  letter-spacing: -0.047em;
  font-weight: 760;
}
.showcase-copy > p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 0.98rem; }
.bullets { display: grid; gap: 12px; margin: 26px 0 0; padding: 0; list-style: none; }
.bullets li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.92rem; color: var(--ink-2); }
.bullets svg { width: 16px; height: 16px; margin-top: 2px; flex: 0 0 auto; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.mock-wrap { position: relative; min-width: 0; }

.ui-mock {
  --text: #e9eff6;
  --text-soft: #c6d2df;
  --muted: #8b9caf;
  --muted-2: #6d7f92;
  --line: rgba(157, 186, 207, 0.12);
  --line-strong: rgba(157, 186, 207, 0.22);
  --accent: #2dd4bf;
  --accent-bright: #7df7e0;
  --accent-ink: #03130f;
  --panel-3: #132230;
  position: relative;
  overflow: hidden;
  border: 1px solid #202b36;
  border-radius: 12px;
  background: #0a1118;
  color: var(--text);
  box-shadow: 0 22px 48px rgba(16, 24, 32, 0.15);
}
.ui-titlebar {
  height: 34px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 13px;
  border-bottom: 1px solid var(--line);
  background: #0d1720;
  color: var(--muted-2);
  font-size: 9.5px;
}
.mock-badge {
  margin-left: auto;
  padding: 3px 7px;
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: 99px;
  background: rgba(45, 212, 191, 0.08);
  color: var(--accent);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.ui-body { padding: 18px; }
.mock-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.mock-kicker { display: block; margin-bottom: 4px; color: var(--muted-2); font-size: 7.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.mock-head h3 { margin: 0; color: var(--text); font-size: 1.08rem; letter-spacing: -0.025em; font-weight: 680; }
.mock-head p { margin: 4px 0 0; color: var(--muted); font-size: 9.5px; }
.mock-pill {
  display: inline-flex;
  align-items: center;
  min-height: 21px;
  padding: 0 8px;
  border: 1px solid rgba(45, 212, 191, 0.2);
  border-radius: 99px;
  background: rgba(45, 212, 191, 0.08);
  color: var(--accent);
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.mock-pill-danger {
  border-color: rgba(248, 113, 113, 0.22);
  background: rgba(248, 113, 113, 0.08);
  color: #fca5a5;
}
.threat-preview {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #111b25;
}
.severity {
  display: inline-flex;
  align-items: center;
  height: 19px;
  padding: 0 6px;
  border: 1px solid rgba(251, 191, 36, 0.24);
  border-radius: 99px;
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  font-size: 6.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.threat-copy { min-width: 0; }
.threat-copy strong { display: block; color: var(--text); font-size: 11.5px; }
.threat-copy code { display: block; margin-top: 4px; color: var(--muted); font-size: 8.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.threat-copy span { display: block; margin-top: 4px; color: var(--muted-2); font-size: 8.5px; line-height: 1.5; }
.threat-actions { display: flex; gap: 4px; align-items: center; }
.mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 23px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0c151d;
  color: var(--muted);
  font-size: 7.5px;
  font-weight: 700;
  white-space: nowrap;
}
.mini-btn-primary { border-color: rgba(45, 212, 191, 0.22); background: rgba(45, 212, 191, 0.08); color: var(--accent); }
.mock-progress-line { height: 4px; margin: 15px 0 13px; border-radius: 99px; background: var(--panel-3); overflow: hidden; }
.mock-progress-line span { display: block; width: 100%; height: 100%; background: var(--accent); }
.mock-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--accent); font-size: 8.5px; font-weight: 700; }
.mock-foot .muted { color: var(--muted-2); font-weight: 500; }
.cleaner-head .big-number { display: block; color: var(--text); font-size: 1.9rem; line-height: 1.05; letter-spacing: -0.045em; font-weight: 760; }
.clean-progress { height: 5px; margin: 13px 0 14px; border-radius: 99px; background: var(--panel-3); overflow: hidden; }
.clean-progress span { display: block; width: 76%; height: 100%; border-radius: inherit; background: var(--accent); }
.clean-list { display: grid; gap: 1px; border-top: 1px solid var(--line); }
.clean-list > div { display: grid; grid-template-columns: auto 1fr auto; gap: 9px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--text-soft); font-size: 9px; }
.clean-list b { color: var(--muted); font-size: 8.5px; font-weight: 600; }
.check { position: relative; width: 14px; height: 14px; border-radius: 3px; background: var(--accent); flex: 0 0 auto; }
.check::after { content: ""; position: absolute; left: 4px; top: 2px; width: 4px; height: 7px; border: solid var(--accent-ink); border-width: 0 1.5px 1.5px 0; transform: rotate(42deg); }
.clean-list + .mock-foot { margin-top: 14px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; }
.step { padding: 22px 0 0; border-top: 1px solid var(--line); }
.step-number { display: block; margin-bottom: 16px; color: var(--accent-deep); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; }
.step h3 { margin: 0 0 7px; font-size: 1rem; letter-spacing: -0.02em; font-weight: 680; }
.step p { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* Security */
.security-panel {
  --text: #f2f6fa;
  --muted: #9aa8b6;
  --muted-2: #7c8a98;
  --line: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
  padding: 50px 52px;
  border: 1px solid #1e2833;
  border-radius: 16px;
  color: var(--text);
  background:
    radial-gradient(620px 300px at 88% -10%, rgba(20, 184, 166, 0.11), transparent 70%),
    #0f151c;
  box-shadow: 0 24px 50px rgba(16, 24, 32, 0.14);
}
.security-head { max-width: 700px; margin-bottom: 34px; }
.security-panel .eyebrow { color: #5eead4; }
.security-panel h2 { color: var(--text); }
.security-panel .grad { color: #5eead4; }
.security-panel .section-head p { color: #9aa8b6; }
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}
.security-grid h3 { margin: 14px 0 7px; color: var(--text); font-size: 0.98rem; letter-spacing: -0.02em; }
.security-grid p { margin: 0; color: #9aa8b6; font-size: 0.88rem; }
.security-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(20, 184, 166, 0.2);
  border-radius: 8px;
  background: rgba(20, 184, 166, 0.09);
  color: #5eead4;
}
.security-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.spec-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 30px 0 0; }
.spec-grid div { min-width: 0; }
.spec-grid dt { margin-bottom: 5px; color: #7c8a98; font-size: 8px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.spec-grid dd { margin: 0; color: #c8d3de; font-family: var(--mono); font-size: 10px; line-height: 1.55; overflow-wrap: anywhere; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 60px; align-items: start; }
.faq-grid .section-head { position: sticky; top: 104px; margin-bottom: 0; }
.faq-list { display: grid; gap: 8px; }
details {
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  transition: border-color 0.18s ease;
}
details:hover { border-color: var(--line-strong); }
details[open] { border-color: #b9dcd5; }
summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  list-style: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  color: var(--muted-2);
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1;
  transition: transform 0.18s ease, color 0.18s ease;
}
details[open] summary::after { transform: rotate(45deg); color: var(--accent-deep); }
details p { margin: -3px 0 18px; padding-right: 24px; color: var(--muted); font-size: 0.88rem; }
details code { padding: 1px 5px; border: 1px solid #d1e8e2; border-radius: 4px; background: var(--accent-soft); color: var(--accent-deep); font-size: 0.82em; }

/* Download */
.download-section { padding-bottom: 104px; }
.download-card {
  --text: #f2f6fa;
  --muted: #9aa8b6;
  --muted-2: #7c8a98;
  position: relative;
  overflow: hidden;
  max-width: 880px;
  margin: 0 auto;
  padding: 46px 48px 38px;
  border: 1px solid #1e2833;
  border-radius: 16px;
  color: var(--text);
  text-align: center;
  background:
    radial-gradient(520px 260px at 50% -10%, rgba(20, 184, 166, 0.11), transparent 70%),
    #0f151c;
  box-shadow: 0 26px 56px rgba(16, 24, 32, 0.16);
}
.download-mark { width: 56px; height: 63px; margin: 0 auto 18px; filter: drop-shadow(0 10px 18px rgba(20, 184, 166, 0.18)); }
.download-card .eyebrow { justify-content: center; margin-bottom: 10px; color: #5eead4; }
.download-card h2 {
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
  font-weight: 780;
  color: var(--text);
}
.download-card .grad { color: #5eead4; }
.download-lede { max-width: 500px; margin: 0 auto 24px; color: #9aa8b6; font-size: 0.96rem; }
.download-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.download-card .btn-primary { border-color: var(--accent-bright); background: var(--accent-bright); color: #04110e; box-shadow: none; }
.download-card .btn-primary:hover { background: #2dd4bf; border-color: #2dd4bf; }
.download-card .btn-ghost { border-color: rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.06); color: var(--text); }
.download-card .btn-ghost:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.09); }
.download-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px 16px; margin: 22px 0 22px; padding: 0; list-style: none; color: #7c8a98; font-size: 10px; }
.download-meta li { display: inline-flex; align-items: center; gap: 6px; }
.download-meta li::before { content: ""; width: 3px; height: 3px; border-radius: 50%; background: #2dd4bf; }
.checksum {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 730px;
  margin: 0 auto;
  padding: 10px 11px 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  text-align: left;
}
.checksum-label { flex: 0 0 auto; color: #7c8a98; font-size: 7.5px; font-weight: 700; letter-spacing: 0.12em; }
.checksum code { flex: 1; min-width: 0; color: #a8b4c2; font-size: 9px; line-height: 1.5; overflow-wrap: anywhere; user-select: all; }
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
  min-height: 27px;
  padding: 0 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: #9aa8b6;
  font-size: 9px;
  font-weight: 650;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}
.copy-btn:hover { border-color: rgba(45, 212, 191, 0.3); color: #5eead4; background: rgba(45, 212, 191, 0.06); }
.copy-btn svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.download-note { margin: 15px 0 0; color: #7c8a98; font-size: 9.5px; }

/* Footer */
.site-footer { padding: 38px 0 26px; border-top: 1px solid var(--line); background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.1fr auto; gap: 28px 50px; align-items: start; }
.footer-brand p { max-width: 360px; margin: 14px 0 0; color: var(--muted-2); font-size: 11px; line-height: 1.7; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px 20px; color: var(--muted); font-size: 11px; }
.footer-links a:hover { color: var(--ink); }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted-2); font-size: 10px; }
.footer-meta a:hover { color: var(--accent-deep); }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 100;
  transform: translate(-50%, 16px);
  padding: 9px 14px;
  border: 1px solid #26323e;
  border-radius: 8px;
  background: #111820;
  color: #f2f6fa;
  font-size: 11.5px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  box-shadow: 0 12px 30px rgba(13, 19, 25, 0.18);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* Reveal */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1100px) {
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: clamp(2.9rem, 5.4vw, 4.35rem); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .security-panel { padding: 40px; }
  .faq-grid { gap: 40px; }
}

@media (max-width: 980px) {
  .site-header, .site-header.is-scrolled {
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .nav { min-height: 70px; }
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 55;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 16px 24px 32px;
    overflow-y: auto;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-links { display: flex; }
  .nav-links > a:not(.btn) { padding: 15px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 15px; }
  .nav-links .mobile-cta { display: flex; margin-top: 16px; }
  .nav-cta { display: none; }
  .mobile-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    margin-left: auto;
    padding: 0 10px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
  }
  .mobile-toggle span { display: block; width: 100%; height: 1.5px; background: var(--ink); transition: transform 0.18s ease; }
  body.nav-open .mobile-toggle span:first-child { transform: translateY(3.25px) rotate(45deg); }
  body.nav-open .mobile-toggle span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

  .hero { padding-top: 48px; }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; gap: 46px; }
  .hero-copy { max-width: 720px; }
  .hero h1 { font-size: clamp(3rem, 8.5vw, 4.5rem); }
  .hero-visual { width: min(760px, 100%); margin: 0 auto; }
  .trust-strip { margin-top: 48px; }
  .showcase, .showcase-reverse { grid-template-columns: 1fr; gap: 36px; }
  .showcase-reverse .mock-wrap { order: 2; }
  .showcase-reverse .showcase-copy { order: 1; }
  .security-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-grid { grid-template-columns: 1fr; gap: 28px; }
  .faq-grid .section-head { position: static; }
  .download-card { padding: 40px 30px 32px; }
}

@media (max-width: 720px) {
  .container { width: calc(100% - 36px); }
  .section { padding: 70px 0; scroll-margin-top: 82px; }
  .showcase-section { padding: 74px 0; }
  .hero { padding-top: 34px; }
  .hero h1 { font-size: clamp(2.85rem, 14vw, 3.75rem); margin-bottom: 20px; }
  .eyebrow { font-size: 9.5px; letter-spacing: 0.11em; line-height: 1.5; }
  .lede { font-size: 0.96rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { font-size: 10px; line-height: 1.8; }
  .hero-visual::before { left: 20px; top: 24px; }
  .window-bar { height: 31px; padding: 0 10px; gap: 8px; }
  .window-title { font-size: 8px; }
  .window-pill { font-size: 6.5px; padding: 2px 6px; }
  .trust-strip { justify-content: flex-start; gap: 9px 18px; margin-top: 38px; }
  .trust-strip span { font-size: 8px; }
  .section-head { margin-bottom: 30px; }
  .section-head h2, .showcase-copy h2 { font-size: clamp(1.9rem, 9vw, 2.55rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { min-height: 0; padding: 20px; }
  .feature-icon { margin-bottom: 16px; }
  .ui-body { padding: 13px; }
  .threat-preview { grid-template-columns: auto 1fr; }
  .threat-actions { grid-column: 1 / -1; padding-top: 2px; }
  .threat-copy code { white-space: normal; overflow-wrap: anywhere; }
  .steps { grid-template-columns: 1fr; gap: 22px; }
  .security-panel { padding: 26px 18px; border-radius: 14px; }
  .security-grid { grid-template-columns: 1fr; gap: 22px; }
  .spec-grid { grid-template-columns: 1fr; gap: 16px; }
  .download-section { padding-bottom: 80px; }
  .download-card { padding: 34px 18px 28px; border-radius: 14px; }
  .download-actions { flex-direction: column; align-items: stretch; }
  .checksum { flex-wrap: wrap; }
  .checksum code { flex-basis: 100%; order: 3; }
  .copy-btn { margin-left: auto; }
  .download-meta { gap: 6px 11px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .footer-meta { flex-direction: column; gap: 7px; }
}

@media (max-width: 430px) {
  .brand .wordmark { font-size: 19px; }
  .brand-sub { font-size: 6px; }
  .hero-visual::before { display: none; }
  .window-pill { display: none; }
  .shot-caption { font-size: 9px; }
}