body {
  background-color: var(--background);
}

.root {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  height: 64px;
  padding: 12px 32px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-2);
  background-color: rgba(255, 255, 255, 0.7);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
}

.dark .top-bar {
  background-color: rgba(20, 20, 20, 0.7);
}

.top-bar h1 {
  font-family: 'Caveat', cursive;
  font-weight: 500;
  padding-right: 12px;
  user-select: none;
}

.left-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.right-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.login-btn {
  display: flex;
  align-items: center;
  height: 40px;
  gap: 8px;
  font-weight: 500;
  font-size: 15px;
  line-height: 1;
  padding: 0 12px;
  color: var(--text-primary);
  border: 1px solid var(--brand-dark);
  background-color: transparent;
}

.login-btn:hover {
  background-color: var(--surface-2);
  color: var(--text-primary);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 40px;
  height: 36px;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  color: var(--text-primary);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  background-color: transparent;
}

.lang-btn:hover {
  background-color: var(--surface-2);
}

/** ----------- Hero ----------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 128px 24px 96px;
  margin-top: 64px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(
      circle at 20% 0%,
      rgba(49, 130, 206, 0.18),
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 30%,
      rgba(72, 187, 120, 0.12),
      transparent 55%
    );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 880px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 24px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  color: var(--brand-darker);
  background: var(--surface-1);
  border: 1px solid var(--border-2);
  border-radius: 999px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

.hero-accent {
  background: linear-gradient(90deg, var(--brand-dark), var(--success));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 560px;
  margin-top: 24px;
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero .signup-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 24px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  border-radius: 10px;
}

.hero-secondary-btn {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 10px;
}

.hero-secondary-btn:hover {
  background: var(--surface-2);
}

.hero-microcopy {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-tertiary);
}

/** ----------- Preview ----------- */
.preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  padding: 80px 24px;
}

.preview-heading {
  max-width: 640px;
  text-align: center;
}

.preview-heading h2 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.preview-heading p {
  margin-top: 12px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.browser-frame {
  width: 100%;
  max-width: 920px;
  border-radius: 14px;
  border: 1px solid var(--border-2);
  background: var(--surface-1);
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.18);
}

.browser-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface-3);
  border-bottom: 1px solid var(--border-2);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface-4);
}

.browser-dots span:nth-child(1) {
  background: #ff5f57;
}

.browser-dots span:nth-child(2) {
  background: #febc2e;
}

.browser-dots span:nth-child(3) {
  background: #28c840;
}

.browser-url {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 4px 12px;
  background: var(--surface-1);
  border-radius: 6px;
}

.browser-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
}

.mock-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border-2);
  border-radius: 10px;
  background: var(--surface-1);
}

.mock-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 2;
}

.mock-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mock-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.mock-pill {
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.mock-sub {
  font-size: 13px;
  color: var(--text-tertiary);
}

.mock-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
}

.mock-chip.success {
  background: var(--success-toast);
  color: var(--success);
}

.mock-chip.danger {
  background: var(--danger-toast);
  color: var(--danger);
}

.mock-flex {
  flex: 1;
}

.mock-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.mock-actions {
  display: flex;
  gap: 6px;
}

.mock-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 14px;
  background: var(--surface-2);
  color: var(--text-primary);
}

.mock-btn.primary {
  background: var(--brand-dark);
  color: #fff;
}

.mock-btn.ghost {
  width: 28px;
  height: 28px;
  padding: 0;
  justify-content: center;
}

/** ----------- Features ----------- */
.features {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  padding: 96px 15%;
  background-color: var(--surface-1);
}

.features h2 {
  width: 100%;
  max-width: 800px;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
}

.features-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.feature {
  flex: 1 1 240px;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--border-2);
  background-color: var(--surface-1);
  box-shadow: 0 4px 14px -8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -12px rgba(0, 0, 0, 0.18);
}

.feature img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.feature h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.feature p {
  min-height: 96px;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
  color: var(--text-secondary);
}

/** ----------- Pricing ----------- */
.pricing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  padding: 96px 24px;
}

.pricing-heading {
  max-width: 600px;
  text-align: center;
}

.pricing-heading h2 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.pricing-heading p {
  margin-top: 12px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.pricing-card {
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 32px;
  border-radius: 18px;
  border: 1px solid var(--border-2);
  background: var(--surface-1);
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.16);
}

.pricing-tier {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 999px;
  background: var(--success-toast);
  color: var(--success);
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-amount .currency {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-amount .value {
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-amount .period {
  font-size: 1rem;
  color: var(--text-tertiary);
  margin-left: 6px;
}

.pricing-tagline {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.pricing-features {
  width: 100%;
  list-style: none;
  margin: 32px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.pricing-features li i {
  color: var(--success);
  flex-shrink: 0;
}

.pricing-card .signup-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 52px;
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  border-radius: 10px;
  justify-content: center;
}

.pricing-microcopy {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-tertiary);
}

/** ----------- Story ----------- */
.story {
  display: flex;
  flex-direction: column;
  align-self: center;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 96px 15%;
}

.story h2 {
  width: 100%;
  max-width: 800px;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
}

.story .paragraphs {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 720px;
}

.story p {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-secondary);
}

footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background-color: var(--surface-1);
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ----------- Responsive ----------- */
@media (max-width: 768px) {
  .top-bar {
    padding: 12px 20px;
  }

  .hero {
    padding: 96px 20px 72px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .preview {
    padding: 64px 16px;
    gap: 36px;
  }

  .preview-heading h2,
  .pricing-heading h2,
  .features h2,
  .story h2 {
    font-size: 1.75rem;
  }

  .browser-body {
    padding: 14px;
  }

  .mock-card {
    flex-direction: column;
    align-items: stretch;
  }

  .mock-flex {
    display: none;
  }

  .features {
    gap: 36px;
    padding: 72px 16px;
  }

  .pricing {
    padding: 72px 16px;
  }

  .pricing-card {
    padding: 32px 24px;
  }

  .pricing-amount .value {
    font-size: 3rem;
  }

  .story {
    gap: 32px;
    padding: 72px 16px;
  }

  .story p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .top-bar {
    padding: 10px 12px;
  }

  .top-bar h1 {
    font-size: 1.8rem;
    padding-right: 4px;
  }

  .left-actions {
    gap: 8px;
  }

  .right-actions {
    gap: 8px;
  }

  .dark-mode {
    display: none;
  }

  .login-btn {
    padding: 6px 12px;
    font-size: 14px;
  }

  .hero {
    padding: 80px 16px 56px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    width: 100%;
  }

  .hero .signup-btn,
  .hero-secondary-btn {
    width: 100%;
    justify-content: center;
  }

  .preview-heading h2,
  .pricing-heading h2,
  .features h2,
  .story h2 {
    font-size: 1.5rem;
  }

  .feature p {
    font-size: 1rem;
    min-height: auto;
  }
}