/* Northern Breaks — Dropbox-inspired design tokens */
: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-border: #d3cec9;
  --dbx-dark: #1e1919;
  --dbx-dark-elevated: #2d2b29;
  --brand-yellow: #fad24b;
  --brand-lime: #b4dc19;
  --brand-orange: #fa551e;
  --brand-pink: #c0154c;
  --font-display: "DM Sans", "Sharp Grotesk", SharpGrotesk, "Atlas Grotesk", system-ui, sans-serif;
  --font-body: "DM Sans", "Atlas Grotesk Web", "Atlas Grotesk", system-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);
  --focus-ring: 0 0 0 3px var(--dbx-canvas-white), 0 0 0 5px var(--dbx-blue);
}

*,
*::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: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 200;
  padding: 12px 20px;
  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;
}

/* Nav */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: var(--dbx-canvas-white);
  border-bottom: 1px solid var(--dbx-border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--dbx-ink);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--dbx-blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

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

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-md);
  background: var(--dbx-surface);
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--dbx-ink);
  margin: 4px auto;
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Buttons */
.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-lg);
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}

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

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

.btn-primary:active {
  transform: translateY(1px);
}

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

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

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

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

.btn-lg {
  padding: 18px 28px;
  font-size: 17px;
}

.btn-arrow::after {
  content: "→";
  transition: transform 0.15s;
}

.btn-arrow:hover::after {
  transform: translateX(3px);
}

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

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

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 64px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--dbx-ink);
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--dbx-blue);
  margin: 0 0 20px;
}

.hero-lead {
  font-size: clamp(18px, 2.2vw, 20px);
  line-height: 1.5;
  color: var(--dbx-muted-strong);
  max-width: 540px;
  margin: 0 0 32px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-meta {
  font-size: 13px;
  font-weight: 500;
  color: var(--dbx-muted);
}

.hero-meta span {
  margin-inline: 8px;
  color: var(--dbx-border);
}

/* Product mockup */
.mockup-stack {
  position: relative;
  min-height: 420px;
}

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

.mockup-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  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;
  font-weight: 500;
  color: var(--dbx-muted);
}

.mockup-body {
  padding: 32px 24px 40px;
  background: linear-gradient(180deg, var(--dbx-blue-wash) 0%, var(--dbx-surface) 100%);
}

.mockup-headline {
  text-align: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.mockup-sub {
  text-align: center;
  font-size: 14px;
  color: var(--dbx-muted);
  margin: 0 0 28px;
}

.cards-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  perspective: 800px;
}

.card-flip {
  width: 96px;
  height: 132px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  perspective: 600px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s;
  transform-style: preserve-3d;
}

.card-flip.is-flipped .card-inner {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--dbx-border);
}

.card-front {
  background: linear-gradient(145deg, var(--dbx-blue) 0%, #004dc7 100%);
  color: var(--dbx-canvas);
}

.card-front svg {
  width: 36px;
  height: 36px;
  opacity: 0.9;
}

.card-back {
  background: var(--dbx-surface);
  transform: rotateY(180deg);
  padding: 12px;
  text-align: center;
}

.card-back.prize {
  border-color: var(--brand-lime);
  background: linear-gradient(180deg, #f0fce0 0%, var(--dbx-surface) 100%);
}

.card-back.empty {
  border-color: var(--dbx-border);
}

.card-prize-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dbx-muted);
  margin-bottom: 4px;
}

.card-prize-value {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.mockup-result {
  text-align: center;
  margin-top: 24px;
  padding: 16px;
  background: var(--dbx-surface);
  border-radius: var(--r-md);
  border: 1px solid var(--dbx-border);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
}

.mockup-result.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.mockup-result strong {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--dbx-ink);
  margin-bottom: 4px;
}

.mockup-result p {
  margin: 0;
  font-size: 14px;
  color: var(--dbx-muted);
}

.mockup-mobile {
  position: absolute;
  bottom: -20px;
  left: -16px;
  width: 140px;
  background: var(--dbx-surface);
  border-radius: 20px;
  border: 1px solid var(--dbx-border);
  box-shadow: var(--shadow-mockup);
  padding: 12px;
}

.mockup-mobile-notch {
  width: 48px;
  height: 4px;
  background: var(--dbx-surface-soft);
  border-radius: var(--r-pill);
  margin: 0 auto 10px;
}

.mockup-mobile-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--dbx-muted);
  text-align: center;
  margin-bottom: 8px;
}

.mockup-mobile-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: var(--dbx-blue-wash);
  border-radius: var(--r-sm);
  font-size: 11px;
  font-weight: 500;
  color: var(--dbx-blue);
}

.mockup-mobile-pill svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Trust strip */
.trust-strip {
  padding: 40px 0;
  background: var(--dbx-surface);
  border-block: 1px solid var(--dbx-border);
}

.trust-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.trust-text {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 500;
  color: var(--dbx-ink);
  margin: 0;
  max-width: 480px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--dbx-canvas);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--dbx-muted-strong);
}

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

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

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  max-width: 640px;
}

.section-lead {
  font-size: 18px;
  color: var(--dbx-muted-strong);
  max-width: 560px;
  margin: 0 0 40px;
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}

.benefit-icon--blue { background: var(--dbx-blue-wash); color: var(--dbx-blue); }
.benefit-icon--yellow { background: #fef8e0; color: #9b6400; }
.benefit-icon--lime { background: #f0fce0; color: #0f503c; }

.benefit-icon svg {
  width: 22px;
  height: 22px;
}

.benefit-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.benefit-card p {
  margin: 0;
  font-size: 15px;
  color: var(--dbx-muted-strong);
  line-height: 1.55;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step-card {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--dbx-blue);
  color: var(--dbx-canvas);
  border-radius: var(--r-sm);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0 0 8px;
}

.step-card p {
  margin: 0;
  font-size: 15px;
  color: var(--dbx-muted-strong);
}

/* Dark security / trust panel */
.security-panel {
  background: var(--dbx-dark);
  color: var(--dbx-canvas);
  border-radius: var(--r-xl);
  padding: clamp(40px, 6vw, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.security-content .section-label {
  color: var(--dbx-blue-light);
}

.security-content h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.security-content p {
  font-size: 17px;
  line-height: 1.55;
  color: rgba(247, 245, 242, 0.82);
  margin: 0 0 28px;
  max-width: 480px;
}

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

.security-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.security-mini-card {
  background: var(--dbx-dark-elevated);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  border: 1px solid rgba(247, 245, 242, 0.1);
}

.security-mini-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.security-mini-card h3 svg {
  width: 18px;
  height: 18px;
  color: var(--brand-lime);
}

.security-mini-card p {
  margin: 0;
  font-size: 14px;
  color: rgba(247, 245, 242, 0.7);
  line-height: 1.5;
}

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

.final-cta-box {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-xl);
  padding: clamp(48px, 8vw, 80px) 32px;
  max-width: 720px;
  margin-inline: auto;
}

.final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}

.final-cta p {
  font-size: 18px;
  color: var(--dbx-muted-strong);
  margin: 0 0 32px;
  max-width: 480px;
  margin-inline: auto;
}

.final-cta .hero-meta {
  margin-top: 20px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--dbx-canvas);
  margin-bottom: 12px;
}

.footer-about {
  font-size: 14px;
  line-height: 1.6;
  max-width: 400px;
  margin: 0;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-canvas);
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

.footer-links a {
  font-size: 14px;
  color: rgba(247, 245, 242, 0.65);
  transition: color 0.15s;
}

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

.footer-disclaimer {
  padding-top: 32px;
  border-top: 1px solid rgba(247, 245, 242, 0.12);
  font-size: 12px;
  line-height: 1.65;
  color: rgba(247, 245, 242, 0.5);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(247, 245, 242, 0.45);
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .mockup-stack {
    max-width: 420px;
    margin-inline: auto;
  }

  .benefits-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .security-panel {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .trust-inner {
    flex-direction: column;
    text-align: center;
  }

  .trust-badges {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .nav-actions .btn-secondary {
    display: none;
  }

  .nav-actions.is-open {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--dbx-canvas-white);
    border-bottom: 1px solid var(--dbx-border);
    padding: 16px;
  }

  .nav-actions.is-open .btn-secondary {
    display: inline-flex;
    width: 100%;
  }

  .nav-actions.is-open .btn-primary {
    width: 100%;
  }

  .hero {
    padding-top: 40px;
    padding-bottom: 64px;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .cards-row {
    gap: 10px;
  }

  .card-flip {
    width: 80px;
    height: 110px;
  }

  .mockup-mobile {
    left: 0;
    width: 120px;
  }

  .section {
    padding: 64px 0;
  }

  .security-actions {
    flex-direction: column;
  }

  .security-actions .btn {
    width: 100%;
  }
}

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

  .card-inner,
  .mockup-result,
  .btn {
    transition: none;
  }
}