/* Design tokens — Dropbox-inspired system from DESIGN.md */
:root {
  --dbx-blue: #0061FE;
  --dbx-blue-hover: #004DC7;
  --dbx-blue-light: #B4D1FF;
  --dbx-blue-wash: #F2F7FF;
  --dbx-canvas: #F7F5F2;
  --dbx-canvas-white: #FFFFFF;
  --dbx-ink: #1E1919;
  --dbx-ink-soft: #44403D;
  --dbx-muted: #736C64;
  --dbx-muted-strong: #5B5650;
  --dbx-surface: #FFFFFF;
  --dbx-surface-soft: #EBE9E6;
  --dbx-surface-dark: #1E1919;
  --dbx-surface-dark-elevated: #2D2B29;
  --dbx-border: #D3CEC9;
  --dbx-border-soft: #EBE9E6;
  --dbx-success: #0F503C;
  --dbx-warning: #9B6400;
  --dbx-error: #9B0032;
  --dbx-brand-yellow: #FAD24B;
  --dbx-brand-lime: #B4DC19;
  --dbx-brand-orange: #FA551E;
  --font-display: "Sharp Grotesk", SharpGrotesk, "Atlas Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Atlas Grotesk Web", "Atlas Grotesk", AtlasGrotesk, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 9999px;
  --space-section: 96px;
  --space-hero: 128px;
  --container: 1200px;
  --shadow-mockup: 0 24px 48px rgba(30, 25, 25, 0.12), 0 8px 16px rgba(30, 25, 25, 0.06);
}

*, *::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);
  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: -100%;
  left: 16px;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--dbx-blue);
  color: var(--dbx-canvas);
  border-radius: var(--r-md);
  font-weight: 500;
}

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

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dbx-canvas-white);
  border-bottom: 1px solid var(--dbx-border-soft);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--dbx-ink);
  text-decoration: none;
}

.logo:hover {
  color: var(--dbx-ink);
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--dbx-blue);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark svg {
  width: 18px;
  height: 18px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--dbx-ink);
  font-size: 16px;
  transition: color 0.15s;
}

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

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

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-md);
  background: var(--dbx-surface);
  cursor: pointer;
  color: var(--dbx-ink);
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 16px 0 24px;
  border-top: 1px solid var(--dbx-border-soft);
}

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

.mobile-nav a {
  padding: 12px 0;
  color: var(--dbx-ink);
  font-size: 16px;
  border-bottom: 1px solid var(--dbx-border-soft);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--r-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s, color 0.15s;
  white-space: nowrap;
}

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

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

.btn-on-dark:hover {
  background: rgba(247, 245, 242, 0.08);
  color: var(--dbx-canvas);
}

.btn-sm {
  padding: 12px 20px;
  font-size: 15px;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Hero */
.hero {
  padding: 64px 0 var(--space-section);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 580px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--dbx-blue-wash);
  color: var(--dbx-blue);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--dbx-ink);
}

.hero-title .brand {
  color: var(--dbx-blue);
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 20px);
  line-height: 1.5;
  color: var(--dbx-muted-strong);
  margin: 0 0 32px;
  max-width: 520px;
}

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

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

.hero-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 16px;
  color: var(--dbx-ink-soft);
}

.hero-benefits svg {
  width: 20px;
  height: 20px;
  color: var(--dbx-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Product mockup */
.hero-mockup {
  position: relative;
}

.mockup-window {
  background: var(--dbx-surface);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-mockup);
  border: 1px solid var(--dbx-border-soft);
  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-soft);
}

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

.mockup-title {
  margin-left: 8px;
  font-size: 13px;
  color: var(--dbx-muted);
  font-weight: 500;
}

.mockup-body {
  padding: 20px;
}

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

.stat-card {
  padding: 14px;
  background: var(--dbx-canvas);
  border-radius: var(--r-md);
  border: 1px solid var(--dbx-border-soft);
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dbx-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.stat-value.success { color: var(--dbx-success); }

.monitor-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.monitor-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--dbx-canvas);
  border-radius: var(--r-md);
  border: 1px solid var(--dbx-border-soft);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.up { background: var(--dbx-brand-lime); }
.status-dot.warn { background: var(--dbx-brand-yellow); }

.monitor-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-ink);
}

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

.mobile-overlay {
  position: absolute;
  bottom: -24px;
  right: -8px;
  width: 160px;
  background: var(--dbx-surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-mockup);
  border: 1px solid var(--dbx-border-soft);
  padding: 14px;
}

.mobile-overlay-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.mobile-overlay-header svg {
  width: 16px;
  height: 16px;
  color: var(--dbx-error);
}

.mobile-overlay-header span {
  font-size: 12px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.alert-chip {
  display: inline-flex;
  padding: 4px 8px;
  background: rgba(155, 0, 50, 0.08);
  color: var(--dbx-error);
  border-radius: var(--r-xs);
  font-size: 11px;
  font-weight: 500;
}

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

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

.trust-heading {
  font-size: 15px;
  color: var(--dbx-muted);
  margin: 0 0 28px;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px 48px;
}

.trust-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--dbx-border);
  letter-spacing: -0.01em;
  opacity: 0.7;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 8px 16px;
  background: var(--dbx-blue-wash);
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-blue);
}

/* Pricing highlight */
.pricing-banner {
  padding: 32px 0;
  background: var(--dbx-blue-wash);
}

.pricing-banner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.pricing-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 500;
  line-height: 1.2;
  margin: 0;
  color: var(--dbx-ink);
}

.pricing-banner p {
  margin: 0;
  font-size: 18px;
  color: var(--dbx-muted-strong);
  max-width: 560px;
}

.pricing-highlight {
  color: var(--dbx-blue);
  font-weight: 500;
}

/* Feature sections */
.feature-section {
  padding: var(--space-section) 0;
}

.feature-section:nth-child(even) {
  background: var(--dbx-surface);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

.feature-grid.reverse .feature-content {
  order: 1;
}

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

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--dbx-ink);
}

.feature-copy {
  font-size: 18px;
  line-height: 1.5;
  color: var(--dbx-muted-strong);
  margin: 0 0 24px;
  max-width: 520px;
}

.feature-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 16px;
  color: var(--dbx-ink-soft);
}

.feature-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dbx-blue);
  margin-top: 9px;
  flex-shrink: 0;
}

.feature-visual {
  background: var(--dbx-canvas);
  border-radius: var(--r-xl);
  border: 1px solid var(--dbx-border-soft);
  padding: 24px;
}

.feature-visual img {
  border-radius: var(--r-lg);
  width: 100%;
}

.feature-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.mini-card {
  padding: 16px;
  background: var(--dbx-surface);
  border-radius: var(--r-md);
  border: 1px solid var(--dbx-border-soft);
}

.mini-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.mini-card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.mini-card-value {
  font-size: 24px;
  font-weight: 500;
  font-family: var(--font-display);
  color: var(--dbx-ink);
}

.progress-bar {
  height: 6px;
  background: var(--dbx-surface-soft);
  border-radius: var(--r-pill);
  overflow: hidden;
  margin-top: 8px;
}

.progress-fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--dbx-blue);
}

.progress-fill.warn { background: var(--dbx-brand-orange); }
.progress-fill.ok { background: var(--dbx-brand-lime); }

/* Dark security section */
.security-section {
  padding: var(--space-section) 0;
  background: var(--dbx-surface-dark);
  color: var(--dbx-canvas);
}

.security-card {
  background: var(--dbx-surface-dark-elevated);
  border-radius: var(--r-xl);
  padding: clamp(32px, 5vw, 48px);
  border: 1px solid rgba(247, 245, 242, 0.08);
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.security-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 97, 254, 0.15);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.security-icon svg {
  width: 24px;
  height: 24px;
  color: var(--dbx-blue-light);
}

.security-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--dbx-canvas);
}

.security-copy {
  font-size: 18px;
  line-height: 1.5;
  color: rgba(247, 245, 242, 0.75);
  margin: 0 0 28px;
  max-width: 520px;
}

.security-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.security-feature {
  padding: 20px;
  background: rgba(247, 245, 242, 0.04);
  border-radius: var(--dbx-r-lg, var(--r-lg));
  border: 1px solid rgba(247, 245, 242, 0.08);
}

.security-feature h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 8px;
  color: var(--dbx-canvas);
}

.security-feature p {
  margin: 0;
  font-size: 15px;
  color: rgba(247, 245, 242, 0.65);
  line-height: 1.5;
}

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

/* Integrations */
.integrations-section {
  padding: var(--space-section) 0;
  background: var(--dbx-canvas);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--dbx-ink);
}

.section-subtitle {
  font-size: 18px;
  color: var(--dbx-muted-strong);
  margin: 0;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.integration-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border-soft);
  border-radius: var(--r-lg);
  font-size: 15px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.integration-chip svg {
  width: 20px;
  height: 20px;
  color: var(--dbx-blue);
  flex-shrink: 0;
}

/* Testimonials */
.testimonials-section {
  padding: var(--space-section) 0;
  background: var(--dbx-surface);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.testimonial-card {
  padding: 28px;
  background: var(--dbx-canvas);
  border-radius: var(--r-xl);
  border: 1px solid var(--dbx-border-soft);
}

.testimonial-quote {
  font-size: 17px;
  line-height: 1.55;
  color: var(--dbx-ink-soft);
  margin: 0 0 20px;
}

.testimonial-quote::before {
  content: "\201C";
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--dbx-blue-light);
  line-height: 0;
  vertical-align: -8px;
  margin-right: 4px;
}

.testimonial-author {
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-muted);
}

/* Final CTA */
.final-cta {
  padding: var(--space-section) 0;
  background: var(--dbx-blue-wash);
}

.final-cta-inner {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  color: var(--dbx-ink);
}

.final-cta p {
  font-size: 20px;
  color: var(--dbx-muted-strong);
  margin: 0 0 32px;
  line-height: 1.5;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  color: var(--dbx-canvas);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
  color: rgba(247, 245, 242, 0.6);
}

.footer-col h3 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-canvas);
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: rgba(247, 245, 242, 0.65);
  font-size: 15px;
  transition: color 0.15s;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(247, 245, 242, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  color: rgba(247, 245, 242, 0.45);
}

.footer-bottom a {
  color: rgba(247, 245, 242, 0.55);
}

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

/* Responsive */
@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }

  .hero {
    padding-top: var(--space-hero);
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .feature-grid.reverse .feature-content {
    order: 0;
  }

  .feature-card-grid {
    grid-template-columns: 1fr 1fr;
  }

  .security-grid {
    grid-template-columns: 1fr 1fr;
  }

  .security-features {
    grid-template-columns: 1fr 1fr;
  }

  .integration-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .pricing-banner-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .container {
    width: min(100% - 48px, var(--container));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn-primary:hover {
    transform: none;
  }
}