:root {
  --dbx-blue: #0061fe;
  --dbx-blue-hover: #004dc7;
  --dbx-blue-light: #b4d1ff;
  --dbx-blue-wash: #f2f7ff;
  --dbx-canvas: #f7f5f2;
  --dbx-ink: #1e1919;
  --dbx-ink-soft: #44403d;
  --dbx-muted: #736c64;
  --dbx-surface: #ffffff;
  --dbx-surface-soft: #ebe9e6;
  --dbx-border: #d3cec9;
  --dbx-dark: #1e1919;
  --dbx-dark-elevated: #2d2b29;
  --dbx-success: #0f503c;
  --brand-yellow: #fad24b;
  --brand-lime: #b4dc19;
  --font-display: "Sharp Grotesk", SharpGrotesk, "Atlas Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Atlas Grotesk Web", "Atlas Grotesk", AtlasGrotesk, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --r-card: 16px;
  --r-button: 16px;
  --r-xl: 24px;
  --space-section: 96px;
  --container: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--dbx-ink-soft);
  background: var(--dbx-canvas);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--dbx-blue);
  text-decoration: none;
}

a:hover {
  color: var(--dbx-blue-hover);
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  padding: 12px 16px;
  background: var(--dbx-dark);
  color: var(--dbx-canvas);
  z-index: 1000;
  border-radius: var(--r-card);
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dbx-surface);
  border-bottom: 1px solid var(--dbx-border-soft, var(--dbx-surface-soft));
  height: 64px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--dbx-ink);
  letter-spacing: -0.02em;
}

.site-logo span {
  color: var(--dbx-muted);
  font-weight: 400;
  font-size: 14px;
  margin-left: 8px;
}

.nav-links {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--dbx-ink);
  font-size: 16px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--r-button);
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--dbx-blue);
  color: var(--dbx-canvas);
  padding: 16px 24px;
}

.btn-primary:hover {
  background: var(--dbx-blue-hover);
  color: var(--dbx-canvas);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--dbx-ink);
  padding: 14px 22px;
  border: 1px solid var(--dbx-border);
}

.btn-secondary:hover {
  background: var(--dbx-surface-soft);
  color: var(--dbx-ink);
}

.btn-on-dark {
  background: var(--dbx-blue);
  color: var(--dbx-canvas);
  padding: 16px 24px;
}

.btn-on-dark:hover {
  background: var(--dbx-blue-hover);
  color: var(--dbx-canvas);
}

.btn-outline-light {
  background: transparent;
  color: var(--dbx-canvas);
  padding: 14px 22px;
  border: 1px solid rgba(247, 245, 242, 0.35);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--dbx-canvas);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dbx-ink);
  border-radius: 1px;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 64px 0 0 0;
  background: var(--dbx-surface);
  padding: 24px;
  z-index: 99;
  border-top: 1px solid var(--dbx-border);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li {
  border-bottom: 1px solid var(--dbx-surface-soft);
}

.mobile-nav a {
  display: block;
  padding: 16px 0;
  color: var(--dbx-ink);
  font-size: 18px;
}

.mobile-nav .btn-primary {
  width: 100%;
  margin-top: 24px;
}

@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  padding: 48px 0 80px;
}

@media (min-width: 900px) {
  .hero {
    padding: 128px 0 96px;
  }
}

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dbx-muted);
  margin: 0 0 16px;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(56px, 12vw, 72px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--dbx-ink);
  margin: 0 0 12px;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--dbx-ink);
  margin: 0 0 20px;
}

.hero-lead {
  font-size: 20px;
  line-height: 1.5;
  color: var(--dbx-muted);
  max-width: 520px;
  margin: 0 0 32px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  color: var(--dbx-ink-soft);
}

.hero-bullets svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--dbx-success);
}

/* Product mockup */
.mockup-stack {
  position: relative;
  min-height: 320px;
}

.mockup-desktop {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-xl);
  box-shadow: 0 24px 48px rgba(30, 25, 25, 0.08);
  overflow: hidden;
}

.mockup-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--dbx-surface-soft);
  border-bottom: 1px solid var(--dbx-border);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dbx-border);
}

.mockup-dot:nth-child(1) {
  background: #fa551e;
}

.mockup-dot:nth-child(2) {
  background: var(--brand-yellow);
}

.mockup-dot:nth-child(3) {
  background: var(--brand-lime);
}

.mockup-title {
  margin-left: 8px;
  font-size: 13px;
  color: var(--dbx-muted);
}

.mockup-body {
  padding: 20px;
}

.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 8px;
  background: var(--dbx-canvas);
  border: 1px solid transparent;
}

.file-row.is-selected {
  background: var(--dbx-blue-wash);
  border-color: var(--dbx-blue-light);
}

.file-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--dbx-ink);
}

.file-icon.folder {
  background: var(--dbx-blue-light);
}

.file-icon.doc {
  background: var(--brand-yellow);
}

.file-icon.lock {
  background: var(--dbx-surface-soft);
}

.file-meta {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-sub {
  font-size: 12px;
  color: var(--dbx-muted);
}

.chip-encrypted {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 9999px;
  background: var(--dbx-success);
  color: #e8f5f0;
}

.mockup-mobile {
  position: absolute;
  bottom: -24px;
  right: -8px;
  width: 140px;
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: 20px;
  box-shadow: 0 16px 32px rgba(30, 25, 25, 0.12);
  padding: 12px;
}

@media (min-width: 900px) {
  .mockup-mobile {
    right: 24px;
    width: 160px;
  }
}

.mobile-notch {
  width: 48px;
  height: 4px;
  background: var(--dbx-surface-soft);
  border-radius: 2px;
  margin: 0 auto 12px;
}

.mobile-stat {
  text-align: center;
  padding: 8px 0;
}

.mobile-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--dbx-ink);
}

.mobile-stat span {
  font-size: 11px;
  color: var(--dbx-muted);
}

/* Trust strip */
.trust-section {
  padding: 48px 0;
  border-top: 1px solid var(--dbx-border);
  border-bottom: 1px solid var(--dbx-border);
  background: var(--dbx-surface);
}

.trust-inner {
  text-align: center;
}

.trust-headline {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  color: var(--dbx-ink);
  margin: 0 0 32px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.logo-rail {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px 48px;
  opacity: 0.7;
}

.logo-item {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--dbx-ink);
  letter-spacing: -0.02em;
}

/* Features */
.section {
  padding: var(--space-section) 0;
}

.section-label {
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dbx-blue);
  margin: 0 0 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--dbx-ink);
  margin: 0 0 16px;
  max-width: 640px;
}

.section-lead {
  font-size: 20px;
  color: var(--dbx-muted);
  max-width: 560px;
  margin: 0 0 32px;
}

.feature-grid {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-card);
  padding: 24px;
}

.product-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--dbx-ink);
  margin: 16px 0 12px;
}

.product-card p {
  margin: 0 0 20px;
  font-size: 16px;
  color: var(--dbx-muted);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dbx-blue-wash);
  color: var(--dbx-blue);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--dbx-ink);
  font-weight: 500;
}

.link-arrow:hover {
  color: var(--dbx-blue);
}

.link-arrow::after {
  content: "→";
}

/* Feature story blocks */
.feature-story {
  display: grid;
  gap: 48px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--dbx-border);
}

.feature-story:last-child {
  border-bottom: none;
}

@media (min-width: 900px) {
  .feature-story {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .feature-story.reverse .feature-story-copy {
    order: 2;
  }

  .feature-story.reverse .feature-story-media {
    order: 1;
  }
}

.media-panel {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-xl);
  padding: 32px;
}

.storage-bar {
  height: 12px;
  background: var(--dbx-surface-soft);
  border-radius: 9999px;
  overflow: hidden;
  margin: 16px 0 8px;
}

.storage-fill {
  height: 100%;
  width: 35%;
  background: linear-gradient(90deg, var(--dbx-blue), var(--dbx-blue-light));
  border-radius: 9999px;
}

.pricing-note {
  background: var(--dbx-blue-wash);
  border: 1px solid var(--dbx-blue-light);
  border-radius: var(--r-card);
  padding: 24px;
  margin-top: 48px;
}

.pricing-note h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--dbx-ink);
  margin: 0 0 8px;
}

.pricing-note p {
  margin: 0;
  color: var(--dbx-ink-soft);
}

.pricing-note .pricing-cta {
  margin-top: 16px;
}

.media-panel-title {
  margin: 0 0 4px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.media-panel-caption {
  margin: 0;
  font-size: 14px;
  color: var(--dbx-muted);
}

/* Security dark panel */
.security-panel {
  background: var(--dbx-dark);
  color: var(--dbx-canvas);
  border-radius: var(--r-xl);
  padding: 48px 32px;
  margin: var(--space-section) 0;
}

@media (min-width: 768px) {
  .security-panel {
    padding: 64px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }
}

.security-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--dbx-canvas);
}

.security-panel p {
  font-size: 18px;
  line-height: 1.55;
  color: rgba(247, 245, 242, 0.82);
  margin: 0 0 28px;
}

.security-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--dbx-dark-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--dbx-blue-light);
}

.security-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.security-visual {
  background: var(--dbx-dark-elevated);
  border-radius: var(--r-card);
  padding: 24px;
  font-family: ui-monospace, monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--dbx-blue-light);
  word-break: break-all;
}

.security-visual .label {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--dbx-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Final CTA */
.cta-final {
  text-align: center;
  padding: var(--space-section) 0 128px;
}

.cta-final h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--dbx-ink);
  margin: 0 0 16px;
}

.cta-final p {
  font-size: 20px;
  color: var(--dbx-muted);
  max-width: 520px;
  margin: 0 auto 32px;
}

/* Footer */
.site-footer {
  background: var(--dbx-dark);
  color: rgba(247, 245, 242, 0.75);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--dbx-canvas);
  margin-bottom: 12px;
}

.footer-grid h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-canvas);
  margin: 0 0 16px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li {
  margin-bottom: 10px;
}

.footer-grid a {
  color: rgba(247, 245, 242, 0.75);
  font-size: 14px;
}

.footer-grid a:hover {
  color: var(--dbx-canvas);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--dbx-dark-elevated);
  font-size: 13px;
  color: var(--dbx-muted);
}

.footer-disclaimer {
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.5;
  max-width: 720px;
}