:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #657386;
  --line: #d9e1e8;
  --paper: #f7fafc;
  --panel: #ffffff;
  --teal: #009f93;
  --blue: #246bfe;
  --navy: #17324d;
  --gold: #d89614;
  --rose: #d94f70;
  --mint: #dff7f1;
  --shadow: 0 24px 70px rgba(22, 45, 69, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(217, 225, 232, 0.7);
  background: rgba(247, 250, 252, 0.84);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 38px rgba(26, 47, 68, 0.09);
}

.brand,
.main-nav,
.hero-actions,
.hero-stats,
.console-top,
.storage-card,
.sync-row,
.device-section,
.cta-section,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  color: var(--navy);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 68% 32%, #ffffff 0 10%, transparent 11%),
    linear-gradient(135deg, var(--teal), var(--blue));
  box-shadow: 0 12px 24px rgba(36, 107, 254, 0.24);
}

.main-nav {
  gap: 24px;
  font-size: 14px;
  font-weight: 600;
  color: #455569;
}

.main-nav a,
.header-action {
  transition: color 160ms ease, transform 160ms ease;
}

.main-nav a:hover,
.header-action:hover {
  color: var(--blue);
}

.header-action {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  font-size: 14px;
  font-weight: 700;
}

.section-band {
  padding: clamp(72px, 9vw, 128px) clamp(18px, 5vw, 72px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
  min-height: calc(100vh - 72px);
  background:
    linear-gradient(120deg, rgba(223, 247, 241, 0.95), rgba(247, 250, 252, 0.72) 44%, rgba(226, 236, 255, 0.78)),
    radial-gradient(circle at 85% 20%, rgba(216, 150, 20, 0.16), transparent 32%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  color: #102033;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: #13263a;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: 0;
}

.hero-text,
.section-heading p,
.section-copy p,
.cta-section p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(36, 107, 254, 0.28);
}

.button.secondary {
  background: #ffffff;
  color: var(--navy);
  box-shadow: inset 0 0 0 1px var(--line);
}

.hero-stats {
  flex-wrap: wrap;
  gap: 14px;
}

.hero-stats div {
  min-width: 126px;
  padding: 14px 18px;
  border: 1px solid rgba(217, 225, 232, 0.92);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.66);
}

.hero-stats dt {
  font-size: 24px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.cloud-console,
.security-panel,
.phone-shell {
  border: 1px solid rgba(217, 225, 232, 0.92);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.cloud-console {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  padding: 22px;
}

.cloud-console::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(36, 107, 254, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(0, 159, 147, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
  pointer-events: none;
}

.cloud-console > * {
  position: relative;
}

.console-top {
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.console-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.console-top strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
}

.status-pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--mint);
  color: #00766e;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.storage-card {
  gap: 18px;
  padding: 18px;
  border-radius: 8px;
  background: #f9fbfd;
}

.storage-ring {
  position: relative;
  display: grid;
  flex: 0 0 auto;
  width: 86px;
  height: 86px;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--blue) 0 68%, #e6edf4 68% 100%);
}

.storage-ring::before {
  content: "";
  position: absolute;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #ffffff;
}

.storage-ring span {
  position: relative;
  z-index: 1;
  font-weight: 800;
}

.storage-card p {
  margin-bottom: 10px;
  color: #344557;
  font-weight: 700;
}

.meter {
  overflow: hidden;
  width: min(290px, 48vw);
  height: 10px;
  border-radius: 999px;
  background: #e6edf4;
}

.meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--blue));
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.file-tile {
  min-height: 132px;
  padding: 16px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(217, 225, 232, 0.86);
}

.file-icon,
.feature-icon,
.sync-row span {
  display: inline-block;
}

.file-icon {
  width: 34px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 7px 7px 10px 10px;
  background: currentColor;
  opacity: 0.9;
}

.file-tile strong,
.file-tile small {
  display: block;
}

.file-tile small {
  color: var(--muted);
}

.accent-teal {
  color: var(--teal);
}

.accent-gold {
  color: var(--gold);
}

.accent-rose {
  color: var(--rose);
}

.sync-list {
  display: grid;
  gap: 10px;
}

.sync-row {
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(217, 225, 232, 0.86);
}

.sync-row span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 6px rgba(0, 159, 147, 0.12);
}

.sync-row p {
  flex: 1;
  margin: 0;
  overflow: hidden;
  color: #35485d;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sync-row b {
  color: var(--muted);
  font-size: 12px;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

.feature-overview {
  background: #ffffff;
}

.feature-grid,
.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.plan-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.feature-card {
  min-height: 244px;
  padding: 24px;
}

.feature-card p,
.timeline p,
.plan-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-icon {
  position: relative;
  width: 44px;
  height: 44px;
  margin-bottom: 26px;
  border-radius: 12px;
  background: #edf5ff;
}

.feature-icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 3px solid var(--blue);
  border-radius: 50%;
}

.feature-icon.share {
  background: #e3f7f4;
}

.feature-icon.share::after {
  border-color: var(--teal);
  border-radius: 6px;
}

.feature-icon.history {
  background: #fff3d8;
}

.feature-icon.history::after {
  border-color: var(--gold);
}

.feature-icon.backup {
  background: #fde9ee;
}

.feature-icon.backup::after {
  border-color: var(--rose);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  background: #eef6f7;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  color: #344557;
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--teal);
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  width: 5px;
  height: 9px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.security-panel {
  padding: 24px;
  border-radius: 22px;
}

.shield-core {
  display: grid;
  height: 230px;
  place-items: center;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(0, 159, 147, 0.16), rgba(36, 107, 254, 0.13)),
    #f9fbfd;
}

.shield-core span {
  width: 112px;
  height: 132px;
  border-radius: 56px 56px 26px 26px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.18)),
    linear-gradient(135deg, var(--teal), var(--blue));
  box-shadow: 0 22px 44px rgba(36, 107, 254, 0.25);
}

.security-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.security-row:last-child {
  border-bottom: 0;
}

.security-row span {
  color: var(--muted);
}

.security-row strong {
  text-align: right;
}

.workflow {
  background: var(--navy);
  color: #ffffff;
}

.workflow h2,
.workflow h3 {
  color: #ffffff;
}

.workflow .section-heading p,
.workflow .eyebrow {
  color: #8ae0d7;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.timeline article {
  min-height: 238px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.timeline span {
  display: inline-block;
  margin-bottom: 40px;
  color: #8ae0d7;
  font-size: 14px;
  font-weight: 800;
}

.timeline p {
  color: #c7d4df;
}

.device-section {
  justify-content: center;
  gap: clamp(38px, 8vw, 120px);
  background: #ffffff;
}

.device-mockup {
  flex: 0 1 360px;
  display: grid;
  place-items: center;
}

.phone-shell {
  width: min(310px, 82vw);
  min-height: 590px;
  padding: 18px;
  border-radius: 34px;
}

.phone-bar {
  width: 92px;
  height: 6px;
  margin: 0 auto 30px;
  border-radius: 999px;
  background: #cbd5df;
}

.phone-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.phone-header span {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--blue));
}

.phone-file {
  height: 72px;
  margin-bottom: 14px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, #dfe8f0 0 16%, transparent 16%),
    linear-gradient(90deg, #eef3f7 0 72%, transparent 72%),
    #f8fbfd;
  border: 1px solid var(--line);
}

.phone-file.wide {
  height: 112px;
  background:
    linear-gradient(135deg, rgba(0, 159, 147, 0.14), rgba(36, 107, 254, 0.17)),
    #f8fbfd;
}

.phone-file.short {
  width: 78%;
}

.phone-upload {
  margin-top: 38px;
  padding: 16px;
  border-radius: 8px;
  background: var(--mint);
  color: #00766e;
  font-weight: 800;
}

.phone-upload span {
  display: block;
  width: 100%;
  height: 8px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal) 74%, rgba(0, 159, 147, 0.18) 74%);
}

.phone-upload p {
  margin: 0;
}

.plans {
  background: #f4f8fb;
}

.plan-grid {
  grid-template-columns: repeat(3, 1fr);
}

.plan-card {
  display: flex;
  min-height: 286px;
  flex-direction: column;
  padding: 26px;
}

.plan-card strong {
  margin: auto 0 26px;
  font-size: 34px;
  line-height: 1;
}

.plan-card a {
  display: inline-flex;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 8px;
  background: #edf3f8;
  color: var(--navy);
  font-weight: 800;
}

.plan-card.featured {
  border-color: rgba(36, 107, 254, 0.3);
  background: #13263a;
  color: #ffffff;
  transform: translateY(-14px);
}

.plan-card.featured p {
  color: #c7d4df;
}

.plan-card.featured a {
  background: var(--teal);
  color: #ffffff;
}

.cta-section {
  justify-content: space-between;
  gap: 32px;
  padding: clamp(54px, 8vw, 88px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(0, 159, 147, 0.14), rgba(36, 107, 254, 0.16)),
    #ffffff;
}

.cta-section h2 {
  max-width: 760px;
}

.signup-form {
  flex: 0 1 430px;
  display: grid;
  gap: 12px;
  width: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 52px rgba(22, 45, 69, 0.1);
}

.signup-form label {
  display: grid;
  gap: 8px;
  color: #344557;
  font-size: 14px;
  font-weight: 800;
}

.signup-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
}

.signup-form input:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(36, 107, 254, 0.12);
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.site-footer {
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 72px);
  background: #102033;
  color: #ffffff;
}

.site-footer p {
  margin: 0;
  color: #c7d4df;
}

.site-footer span {
  font-weight: 800;
}

@media (max-width: 1040px) {
  .hero,
  .split-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .cloud-console,
  .security-panel {
    max-width: 720px;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .main-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .header-action {
    display: none;
  }

  .section-band {
    padding: 62px 18px;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .hero-text,
  .section-heading p,
  .section-copy p,
  .cta-section p {
    font-size: 16px;
  }

  .cloud-console {
    padding: 16px;
    border-radius: 16px;
  }

  .console-top,
  .storage-card,
  .device-section,
  .cta-section,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .file-grid,
  .feature-grid,
  .timeline,
  .plan-grid {
    grid-template-columns: 1fr;
  }

  .plan-card.featured {
    transform: none;
  }

  .security-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .security-row strong {
    text-align: left;
  }
}