/* Aurum App Studio — shared styles */

:root {
  --bg-deep: #0a0a0b;
  --bg-elevated: #121214;
  --bg-card: #161618;
  --border-subtle: rgba(212, 175, 55, 0.12);
  --gold: #d4af37;
  --gold-muted: #b8962e;
  --gold-glow: rgba(212, 175, 55, 0.08);
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --radius-sm: 8px;
  --radius-md: 14px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-content: 72rem;
  --max-prose: 42rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  background-image: radial-gradient(
      ellipse 120% 80% at 50% -20%,
      var(--gold-glow),
      transparent 55%
    ),
    radial-gradient(
      ellipse 60% 40% at 100% 50%,
      rgba(212, 175, 55, 0.03),
      transparent 50%
    );
  background-attachment: fixed;
}

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

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: var(--text-primary);
}

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

/* Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(10, 10, 11, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-link__img {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-link:hover {
  color: var(--gold);
}

.logo-link:hover .logo-link__img {
  opacity: 0.92;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

main {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Hero */
.hero {
  padding: var(--space-xl) 0 var(--space-xl);
  text-align: center;
}

@media (min-width: 640px) {
  .hero {
    padding: var(--space-2xl) 0 var(--space-xl);
  }
}

.hero__figure {
  margin: 0 auto var(--space-lg);
  max-width: min(200px, 42vw);
}

.hero__logo {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.hero__title {
  margin: 0 0 var(--space-xs);
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text-primary);
}

.hero__byline {
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.hero__subtitle {
  margin: 0 auto;
  max-width: 38rem;
  font-size: 1.0625rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero__line {
  width: 48px;
  height: 2px;
  margin: var(--space-lg) auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 1px;
}

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

.section__title {
  margin: 0 0 var(--space-lg);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
}

/* App cards */
.apps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 52rem;
  margin: 0 auto;
}

.app-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.app-card__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.app-card__icon-wrap {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
  border-radius: 22%;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.04);
}

.app-card__icon {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-card__icon-wrap--on-light {
  background: linear-gradient(145deg, #f8f8f9 0%, #e8e8ea 100%);
}

.app-card__icon-wrap--on-light .app-card__icon {
  object-fit: contain;
  padding: 10%;
}

.app-card__head-text {
  min-width: 0;
  flex: 1;
}

.app-card__subhead {
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.app-card__block-title {
  margin: var(--space-md) 0 var(--space-xs);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.app-card__bullets {
  margin: 0 0 var(--space-md);
  padding-left: 1.125rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.app-card__bullets li {
  margin-bottom: var(--space-xs);
}

.app-card__bullets li::marker {
  color: var(--gold-muted);
}

.app-card__cta {
  margin: var(--space-md) 0 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.app-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.35),
    transparent
  );
  opacity: 0.8;
}

.app-card:hover {
  border-color: rgba(212, 175, 55, 0.25);
  transform: translateY(-2px);
}

.app-card__name {
  margin: 0 0 var(--space-xs);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.app-card__tag {
  display: inline-block;
  margin-bottom: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gold);
}

.app-card__desc {
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.app-card__desc:last-child {
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  margin-top: var(--space-2xl);
  padding: var(--space-xl) var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.site-footer__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (max-width: 380px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }
}

.footer-brand {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

/* Legal / prose pages */
.page-legal {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.page-legal__inner {
  max-width: var(--max-prose);
  margin: 0 auto;
}

.page-legal h1 {
  margin: 0 0 var(--space-lg);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-legal h2 {
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-legal h2:first-of-type {
  margin-top: var(--space-md);
}

.page-legal p,
.page-legal li {
  margin: 0 0 var(--space-sm);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.page-legal ul {
  margin: 0 0 var(--space-sm);
  padding-left: 1.25rem;
}

.page-legal li {
  margin-bottom: var(--space-xs);
}

.page-legal .meta {
  margin-bottom: var(--space-lg);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.back-link {
  display: inline-block;
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.back-link:hover {
  color: var(--gold);
}

.impressum-placeholder {
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-sm) 0;
  background: var(--bg-elevated);
  border-left: 3px solid var(--gold-muted);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}