:root {
  --bg: #f4f8fb;
  --ink: #14202a;
  --muted: #5c6872;
  --line: #d8e3ea;
  --surface: #ffffff;
  --accent: #258be8;
  --accent-dark: #1164a7;
  --teal: #20bfae;
  --gold: #f4b846;
  --shadow: 0 22px 70px rgba(20, 32, 42, 0.13);
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(37, 139, 232, 0.13), transparent 31rem),
    linear-gradient(155deg, transparent 58%, rgba(32, 191, 174, 0.11)),
    var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 227, 234, 0.86);
  background: rgba(244, 248, 251, 0.9);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(37, 139, 232, 0.24);
}

.hero-logo {
  display: block;
  width: clamp(4.75rem, 9vw, 6.5rem);
  height: auto;
  margin: 0 0 1.25rem;
  border-radius: 22px;
  box-shadow: 0 20px 52px rgba(37, 139, 232, 0.24);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  font-weight: 650;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero,
.page-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5rem) 1.25rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 500px);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  min-height: calc(92svh - 72px);
}

.hero-copy {
  max-width: 660px;
}

.hero h1,
.page-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  font-weight: 780;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 37rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 750;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(20, 32, 42, 0.08);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button:hover {
  transform: translateY(-1px);
}

.device-frame {
  justify-self: center;
  width: min(100%, 500px);
}

.mac-preview {
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.85), rgba(229, 240, 247, 0.84));
  box-shadow: var(--shadow);
}

.desktop-surface {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgba(35, 63, 82, 0.12);
  border-radius: 22px;
  background:
    radial-gradient(circle at 20% 20%, rgba(244, 184, 70, 0.72), transparent 9rem),
    radial-gradient(circle at 78% 34%, rgba(32, 191, 174, 0.58), transparent 10rem),
    linear-gradient(140deg, #eff7fc 0%, #d7edfa 48%, #c9e3f5 100%);
}

.menu-bar {
  display: flex;
  align-items: center;
  gap: 0.78rem;
  height: 2.45rem;
  padding: 0 0.95rem;
  border-bottom: 1px solid rgba(77, 105, 124, 0.13);
  background: rgba(255, 255, 255, 0.72);
  color: rgba(20, 32, 42, 0.76);
  font-size: 0.74rem;
  font-weight: 650;
  backdrop-filter: blur(12px);
}

.menu-spacer {
  flex: 1;
}

.menu-icon {
  width: 1.08rem;
  height: 0.75rem;
  border: 1.5px solid currentColor;
  border-top: 0;
  border-radius: 0 0 0.28rem 0.28rem;
}

.menu-title {
  color: var(--ink);
  font-weight: 760;
}

.shelf-popover {
  width: min(78%, 365px);
  margin: 3rem auto 2rem;
  overflow: hidden;
  border: 1px solid rgba(106, 128, 143, 0.22);
  border-radius: 18px;
  background: rgba(252, 254, 255, 0.94);
  box-shadow: 0 24px 66px rgba(35, 63, 82, 0.2);
  backdrop-filter: blur(18px);
}

.popover-header,
.popover-footer,
.section-line,
.preview-row {
  display: flex;
  align-items: center;
}

.popover-header {
  gap: 0.7rem;
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.tray-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), var(--accent));
  box-shadow: 0 8px 18px rgba(37, 139, 232, 0.22);
}

.tray-mark span {
  width: 1.18rem;
  height: 0.72rem;
  border: 2px solid #fff;
  border-top: 0;
  border-radius: 0 0 0.28rem 0.28rem;
}

.popover-header strong,
.preview-row strong {
  display: block;
  color: var(--ink);
  font-size: 0.86rem;
  line-height: 1.2;
}

.popover-header small,
.preview-row small {
  display: block;
  margin-top: 0.1rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.2;
}

.popover-actions {
  display: flex;
  gap: 0.42rem;
  margin-left: auto;
}

.popover-actions span {
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
}

.preview-section {
  padding: 0.85rem 0.9rem 0;
}

.section-line {
  justify-content: space-between;
  margin-bottom: 0.48rem;
  font-size: 0.78rem;
}

.section-line span {
  color: var(--muted);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.preview-row {
  gap: 0.62rem;
  min-width: 0;
  padding: 0.62rem;
  border: 1px solid rgba(216, 227, 234, 0.8);
  border-radius: 10px;
  background: #fff;
}

.preview-row + .preview-row {
  margin-top: 0.48rem;
}

.preview-row > div {
  min-width: 0;
  flex: 1;
}

.preview-row strong,
.preview-row small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-chip,
.thumb-chip {
  flex: 0 0 auto;
  width: 2rem;
  height: 1.55rem;
  border-radius: 0.36rem;
  background: linear-gradient(180deg, #ffe390, var(--gold));
}

.folder-chip::before {
  display: block;
  width: 1rem;
  height: 0.36rem;
  margin-top: -0.15rem;
  margin-left: 0.16rem;
  border-radius: 0.22rem 0.22rem 0 0;
  background: #ffe89e;
  content: "";
}

.folder-chip.gold {
  background: linear-gradient(180deg, #ffd16e, #f7a83e);
}

.thumb-chip {
  height: 1.75rem;
  border-radius: 0.42rem;
  background: linear-gradient(135deg, #d8ecff, #a7d8ff 52%, #53b8ec);
}

.row-action {
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37, 139, 232, 0.18), rgba(32, 191, 174, 0.2));
}

.drag-pill {
  flex: 0 0 auto;
  padding: 0.18rem 0.42rem;
  border: 1px solid rgba(37, 139, 232, 0.26);
  border-radius: 999px;
  color: var(--accent-dark);
  font-size: 0.68rem;
  font-weight: 760;
}

.popover-footer {
  justify-content: space-between;
  margin-top: 0.85rem;
  padding: 0.72rem 0.9rem;
  border-top: 1px solid var(--line);
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 680;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem 5rem;
}

.link-card {
  min-height: 10rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  box-shadow: 0 12px 36px rgba(20, 32, 42, 0.06);
}

.link-card strong {
  display: block;
  color: var(--ink);
  font-size: 1.05rem;
}

.link-card span {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(260px, 0.32fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 5rem);
}

.page-title {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
}

.lede {
  max-width: 42rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.content {
  margin-top: 2.5rem;
}

.content h2 {
  margin: 2rem 0 0.45rem;
  font-size: 1.25rem;
  line-height: 1.25;
}

.content p,
.content li {
  color: var(--muted);
}

.content ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}

.support-box,
.policy-box {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 36px rgba(20, 32, 42, 0.06);
}

.support-box h2,
.policy-box h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.support-box p,
.policy-box p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.support-box a,
.policy-box a {
  overflow-wrap: anywhere;
}

.small {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .device-frame {
    width: min(100%, 520px);
  }
}

@media (max-width: 820px) {
  .nav {
    gap: 1rem;
    padding: 0.85rem 1.25rem;
  }

  .hero,
  .page-shell {
    grid-template-columns: 1fr;
    padding-top: 3.5rem;
  }

  .hero {
    min-height: auto;
  }

  .quick-links {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero {
    gap: 1.45rem;
    padding-top: 2.2rem;
    padding-bottom: 2rem;
  }

  .hero-logo {
    width: 4.25rem;
    margin-bottom: 0.95rem;
    border-radius: 17px;
  }

  .hero p {
    margin-top: 1rem;
  }

  .actions {
    margin-top: 1.45rem;
  }

  .mac-preview {
    padding: 0.5rem;
    border-radius: 22px;
  }

  .shelf-popover {
    width: calc(100% - 1rem);
    margin: 1.35rem auto 1rem;
    border-radius: 15px;
  }

  .desktop-surface {
    min-height: 292px;
    border-radius: 18px;
  }

  .menu-bar {
    height: 2.15rem;
    padding: 0 0.72rem;
  }

  .menu-word {
    display: none;
  }

  .popover-header {
    padding: 0.65rem;
  }

  .tray-mark {
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 7px;
  }

  .tray-mark span {
    width: 0.95rem;
    height: 0.58rem;
  }

  .preview-section {
    padding: 0.6rem 0.7rem 0;
  }

  .preview-section:nth-of-type(2) .preview-row + .preview-row {
    display: none;
  }

  .preview-row {
    gap: 0.5rem;
    padding: 0.48rem;
  }

  .folder-chip,
  .thumb-chip {
    width: 1.75rem;
    height: 1.38rem;
  }

  .thumb-chip {
    height: 1.55rem;
  }

  .preview-row + .preview-row {
    margin-top: 0.38rem;
  }

  .popover-footer {
    margin-top: 0.65rem;
    padding: 0.55rem 0.72rem;
  }
}