:root {
  color-scheme: light dark;
  --bg: #f4f7fa;
  --surface: #ffffff;
  --surface-soft: #eaf0f5;
  --text: #111820;
  --muted: #536273;
  --line: rgba(17, 24, 32, 0.14);
  --shadow: 0 24px 70px rgba(29, 47, 66, 0.14);
  --accent: #317fca;
  --accent-strong: #1764ad;
  --accent-ink: #f7fbff;
  --accent-soft: rgba(49, 127, 202, 0.12);
  --hero-scrim: rgba(4, 12, 21, 0.93);
  --hero-text: #f2f7fb;
  --hero-muted: #c6d2dd;
  --focus: #ffca6a;
  --radius: 16px;
  --max: 1180px;
}

body[data-product="duplicates"] {
  --accent: #c87528;
  --accent-strong: #a95310;
  --accent-ink: #fffaf5;
  --accent-soft: rgba(200, 117, 40, 0.13);
  --focus: #58a6ff;
}

body[data-product="saves"] {
  --accent: #198d58;
  --accent-strong: #087044;
  --accent-ink: #f3fff9;
  --accent-soft: rgba(25, 141, 88, 0.13);
  --focus: #f0b95d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 68px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 15, 24, 0.82);
  color: #eef5fa;
  backdrop-filter: blur(18px) saturate(130%);
}

.nav-inner {
  width: min(var(--max), calc(100% - 40px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  min-width: 0;
  color: inherit;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-link {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  color: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.nav-link:hover { border-color: rgba(255, 255, 255, 0.5); background: rgba(255, 255, 255, 0.1); }
.nav-link:active, .button:active, .copy-button:active { transform: translateY(1px) scale(0.99); }

.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100dvh - 68px);
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #07101a;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, var(--hero-scrim) 0%, rgba(5, 13, 22, 0.8) 42%, rgba(5, 13, 22, 0.18) 76%),
    linear-gradient(0deg, rgba(5, 13, 22, 0.68) 0%, transparent 40%);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--hero-muted);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--hero-text);
  font-size: clamp(3rem, 7.2vw, 6.4rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.hero-copy {
  max-width: 520px;
  margin: 26px 0 0;
  color: var(--hero-muted);
  font-size: clamp(1.04rem, 1.8vw, 1.25rem);
  line-height: 1.55;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 760;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  transition: background-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover { background: var(--accent-strong); box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28); }

.button-secondary {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(8, 18, 28, 0.48);
  color: #f4f8fb;
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.button-secondary:hover { background: rgba(8, 18, 28, 0.72); }
.page-shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.download-wrap { position: relative; z-index: 2; margin-top: -42px; }

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(220px, 0.85fr) auto;
  align-items: center;
  gap: 30px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.download-panel h2 { margin: 0 0 6px; font-size: clamp(1.35rem, 2.5vw, 2rem); letter-spacing: -0.035em; line-height: 1.15; }
.file-meta { margin: 0; color: var(--muted); }
.password-label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 0.82rem; font-weight: 700; }
.password-row { display: flex; align-items: stretch; gap: 8px; }

.password-code {
  min-width: 0;
  flex: 1 1 auto;
  padding: 10px 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  font: 700 0.9rem/1.35 "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-button {
  flex: 0 0 auto;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-weight: 720;
  transition: background-color 180ms ease, transform 180ms ease;
}

.copy-button:hover { background: var(--surface-soft); }
.copy-status { min-height: 1.4em; margin: 7px 0 0; color: var(--muted); font-size: 0.78rem; }
.section { padding: 104px 0; }
.section h2 { max-width: 760px; margin: 0; font-size: clamp(2.1rem, 5vw, 4.7rem); font-weight: 760; letter-spacing: -0.06em; line-height: 0.98; }
.section-lead { max-width: 650px; margin: 22px 0 0; color: var(--muted); font-size: 1.06rem; }

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(300px, 0.84fr);
  align-items: center;
  gap: clamp(36px, 7vw, 92px);
}

.media-shell {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.media-shell img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
.media-error { position: absolute; inset: 0; display: none; place-items: center; padding: 24px; color: var(--muted); text-align: center; }
.media-shell.is-error img { visibility: hidden; }
.media-shell.is-error .media-error { display: grid; }

.fact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 14px; margin-top: 34px; }
.fact { min-height: 142px; padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.fact:first-child { background: var(--accent-soft); }
.fact strong { display: block; margin-bottom: 8px; font-size: 1.05rem; }
.fact p { margin: 0; color: var(--muted); }

.steps-section { border-block: 1px solid var(--line); background: var(--surface-soft); }
.steps { display: grid; grid-template-columns: 1.08fr 0.92fr 1fr; gap: 34px; margin-top: 48px; }
.step { padding-top: 22px; border-top: 3px solid var(--accent); }
.step h3 { margin: 0 0 10px; font-size: 1.35rem; letter-spacing: -0.03em; }
.step p { margin: 0; color: var(--muted); }

.safety {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.18fr);
  gap: clamp(44px, 8vw, 100px);
  align-items: start;
}

.safety-box { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.safety-box h3 { margin: 0 0 12px; font-size: 1.35rem; letter-spacing: -0.03em; }
.safety-box p { margin: 0 0 18px; color: var(--muted); }
details { border-top: 1px solid var(--line); padding-top: 16px; }
summary { cursor: pointer; font-weight: 740; }
.checksum { margin: 14px 0 0; padding: 14px; overflow-wrap: anywhere; border-radius: var(--radius); background: var(--surface-soft); color: var(--text); font: 650 0.8rem/1.55 "Cascadia Code", "SFMono-Regular", Consolas, monospace; }

.final-cta { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 42px; border-radius: var(--radius); background: var(--accent-soft); border: 1px solid var(--line); }
.final-cta h2 { max-width: 660px; font-size: clamp(2rem, 4.2vw, 3.8rem); }
.site-footer { padding: 34px 0 46px; color: var(--muted); font-size: 0.88rem; }
.footer-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: flex; justify-content: space-between; gap: 24px; }
.footer-inner p { margin: 0; }
.footer-inner a { font-weight: 720; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #081018;
    --surface: #101a24;
    --surface-soft: #0c151e;
    --text: #edf4f8;
    --muted: #a9b8c5;
    --line: rgba(222, 235, 244, 0.14);
    --shadow: 0 24px 74px rgba(0, 0, 0, 0.32);
    --accent: #4a9ce6;
    --accent-strong: #2f82ce;
    --accent-ink: #07111b;
    --accent-soft: rgba(74, 156, 230, 0.12);
  }

  body[data-product="duplicates"] { --accent: #dd9148; --accent-strong: #c97628; --accent-ink: #171008; --accent-soft: rgba(221, 145, 72, 0.12); }
  body[data-product="saves"] { --accent: #39bd7d; --accent-strong: #1c9d62; --accent-ink: #04160d; --accent-soft: rgba(57, 189, 125, 0.12); }
}

@media (prefers-reduced-transparency: reduce) {
  .site-nav, .button-secondary { backdrop-filter: none; }
  .site-nav { background: #07101a; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-content > * { animation: rise-in 600ms cubic-bezier(0.16, 1, 0.3, 1) both; }
  .hero-content > :nth-child(2) { animation-delay: 70ms; }
  .hero-content > :nth-child(3) { animation-delay: 140ms; }
  .hero-content > :nth-child(4) { animation-delay: 210ms; }
  .download-panel { animation: rise-in 620ms 240ms cubic-bezier(0.16, 1, 0.3, 1) both; }

  @keyframes rise-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (max-width: 860px) {
  .hero { min-height: calc(100dvh - 68px); }
  .hero::after { background: linear-gradient(90deg, rgba(4, 12, 21, 0.94) 0%, rgba(4, 12, 21, 0.75) 65%, rgba(4, 12, 21, 0.42) 100%), linear-gradient(0deg, rgba(4, 12, 21, 0.72) 0%, transparent 50%); }
  .download-panel, .showcase, .safety { grid-template-columns: 1fr; }
  .download-panel { gap: 20px; }
  .download-panel .button { width: 100%; }
  .showcase { gap: 42px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .final-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .nav-inner, .hero-content, .page-shell, .footer-inner { width: min(100% - 28px, var(--max)); }
  .brand { max-width: 64vw; }
  .hero-content { padding: 42px 0 88px; }
  .hero h1 { font-size: clamp(2.75rem, 14vw, 4.3rem); }
  .hero-actions, .hero-actions .button { width: 100%; }
  .download-wrap { margin-top: -30px; }
  .download-panel { padding: 22px; }
  .password-row { flex-direction: column; }
  .section { padding: 76px 0; }
  .fact-grid { grid-template-columns: 1fr; }
  .media-shell, .media-shell img { min-height: 260px; }
  .safety { gap: 34px; }
  .final-cta { padding: 28px; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}