/* Header - Sticky Navigation */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(5, 7, 12, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-surface-3);
  height: var(--header-height-mobile);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
}

.header__title {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.header__nav {
  display: none;
}

.header__cta-mobile {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brass-primary);
  border-radius: var(--radius-circle);
  transition: all var(--transition-base);
}

.header__cta-mobile:hover,
.header__cta-mobile:active {
  background-color: var(--color-brass-dim);
  box-shadow: var(--shadow-brass-glow);
}

.header__cta-mobile svg {
  width: 20px;
  height: 20px;
  fill: var(--color-surface-0);
}

/* Hero Section */

.hero {
  padding-top: calc(var(--header-height-mobile) + var(--space-xl));
  padding-bottom: var(--space-2xl);
  background: linear-gradient(180deg, var(--color-surface-0) 0%, var(--color-surface-1) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(212, 165, 116, 0.08) 0%, transparent 50%),
                    radial-gradient(circle at 80% 70%, rgba(107, 122, 143, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero__container {
  position: relative;
  z-index: 1;
}

.hero__content {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.hero__icon {
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-lg);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero__banner-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.hero__banner {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-surface-3);
}

/* Evidence Tag Badges - Download Buttons */

.download-button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-surface-3);
  border: 2px solid var(--color-steel-dim);
  border-radius: var(--radius-md);
  min-height: 56px;
  position: relative;
  transition: all var(--transition-base);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  width: 100%;
}

.download-button::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--color-brass-dim);
  border-radius: var(--radius-circle);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

.download-button:not(:disabled):hover,
.download-button:not(:disabled):active {
  border-color: var(--color-brass-primary);
  box-shadow: var(--shadow-brass-glow);
  transform: translateY(-2px);
}

.download-button__icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.download-button__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  flex: 1;
}

.download-button__label {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.download-button__store {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* App Store Coming Soon */

.download-button--disabled {
  background-color: #2a2a2a;
  border-color: #3a3a3a;
  opacity: 0.55;
  filter: grayscale(0.6);
  cursor: not-allowed;
}

.download-button--disabled .download-button__label {
  color: #888;
}

.download-button--disabled .download-button__store {
  color: #aaa;
}

.download-button--disabled::after {
  content: 'Coming Soon';
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--color-steel);
  color: var(--color-surface-0);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* Features Section */

.features {
  background-color: var(--color-surface-1);
}

.features__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.features__title {
  margin-bottom: var(--space-sm);
}

.features__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.features__grid {
  display: grid;
  gap: var(--space-lg);
}

/* Evidence Cards */

.evidence-card {
  background-color: var(--color-surface-2);
  border: 2px solid var(--color-surface-4);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-slow);
}

.evidence-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.evidence-card::before,
.evidence-card::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background-color: var(--color-steel-dim);
  border-radius: var(--radius-circle);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.5);
}

.evidence-card::before {
  top: 12px;
  left: 12px;
}

.evidence-card::after {
  top: 12px;
  right: 12px;
}

.evidence-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-brass-dim);
}

.evidence-card__number {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-brass-primary);
  font-variant-numeric: tabular-nums;
}

.evidence-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
}

.evidence-card__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin: 0;
}

/* Download CTA Section */

.download-cta {
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-surface-3) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 50% 50%, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.download-cta__container {
  position: relative;
  z-index: 1;
}

.download-cta__title {
  margin-bottom: var(--space-lg);
}

.download-cta__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
}

/* Mobile Sticky CTA */

.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background-color: rgba(5, 7, 12, 0.98);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-surface-3);
  padding: var(--space-sm) var(--space-md);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.5);
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

.sticky-cta__button {
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-brass-primary);
  color: var(--color-surface-0);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.sticky-cta__button:hover,
.sticky-cta__button:active {
  background-color: var(--color-brass-dim);
  box-shadow: var(--shadow-brass-glow);
}

/* About Section */

.about {
  background-color: var(--color-surface-0);
}

.about__content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.about__title {
  margin-bottom: var(--space-lg);
}

.about__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.about__contact {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-surface-2);
  border: 1px solid var(--color-surface-3);
  border-radius: var(--radius-md);
  color: var(--color-brass-primary);
  transition: all var(--transition-base);
}

.about__contact:hover,
.about__contact:focus-visible {
  border-color: var(--color-brass-primary);
  box-shadow: var(--shadow-brass-glow);
}

/* Footer */

.footer {
  background-color: var(--color-surface-1);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-surface-3);
}

.footer__container {
  text-align: center;
}

.footer__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.footer__title {
  font-size: var(--text-lg);
  font-weight: 700;
}

.footer__contact {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-brass-primary);
  transition: color var(--transition-base);
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--color-brass-dim);
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

/* Desktop Enhancements */

@media (min-width: 768px) {
  .header {
    height: var(--header-height-desktop);
  }

  .header__title {
    font-size: var(--text-base);
  }

  .header__nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
  }

  .header__nav-link {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
  }

  .header__nav-link:hover,
  .header__nav-link:focus-visible {
    color: var(--color-brass-primary);
  }

  .header__cta-mobile {
    display: none;
  }

  .header__cta-desktop {
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-brass-primary);
    color: var(--color-surface-0);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
  }

  .header__cta-desktop:hover,
  .header__cta-desktop:focus-visible {
    background-color: var(--color-brass-dim);
    box-shadow: var(--shadow-brass-glow);
  }

  .hero {
    padding-top: calc(var(--header-height-desktop) + var(--space-2xl));
  }

  .hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
  }

  .hero__content {
    text-align: left;
    margin-bottom: 0;
  }

  .hero__icon {
    margin: 0 0 var(--space-lg) 0;
  }

  .hero__subtitle {
    margin: 0 0 var(--space-lg) 0;
  }

  .hero__cta {
    flex-direction: row;
    justify-content: flex-start;
  }

  .download-button {
    width: auto;
    min-width: 200px;
  }

  .hero__banner-wrapper {
    margin: 0;
  }

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

  .download-cta__buttons {
    flex-direction: row;
    justify-content: center;
    max-width: none;
  }

  .sticky-cta {
    display: none;
  }

  .footer__links {
    gap: var(--space-xl);
  }
}

@media (min-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}