/* Shared layout — header, footer, buttons, content shells */

/* —— Header —— */
.site-header {
  background: var(--color-header);
  color: var(--color-text-on-dark);
  border-bottom: 1px solid var(--color-line-dark);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header__inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1rem;
}

@media (min-width: 768px) {
  .site-header__inner {
    padding: 0 1.5rem;
    height: 5rem;
  }
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.site-brand:hover {
  text-decoration: none;
}

.site-brand__logo img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  display: block;
  box-shadow: 0 4px 14px rgba(34, 211, 238, 0.2);
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-brand__title {
  font-size: 1.125rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.site-brand__tag {
  font-size: 0.625rem;
  color: var(--color-text-muted-dark);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted-dark);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.site-nav__link:hover {
  color: var(--color-text-on-dark);
  background: rgba(30, 41, 59, 0.6);
  text-decoration: none;
}

.site-nav__link--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(244, 63, 94, 0.25);
}

.site-nav__link--primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.site-nav__link--active {
  color: var(--brand-cyan);
}

.site-nav__link--apk {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.25);
}

.site-nav__link--apk:hover {
  background: var(--color-secondary-hover);
  color: #fff;
}

.site-header__mobile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0 0.5rem 0.75rem;
  max-width: 80rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .site-header__mobile {
    display: none;
  }
}

.site-tab {
  flex-shrink: 0;
  padding: 0.5rem 0.875rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted-dark);
  text-decoration: none;
}

.site-tab:hover {
  background: rgba(30, 41, 59, 0.6);
  color: var(--color-text-on-dark);
  text-decoration: none;
}

.site-tab--active {
  background: var(--color-primary);
  color: #fff;
}

.site-tab--apk {
  background: var(--color-secondary);
  color: #fff;
}

/* —— Main —— */
.site-main {
  flex: 1;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

@media (min-width: 768px) {
  .site-main {
    padding: 2rem 1.5rem;
  }
}

.site-main--narrow {
  max-width: 42rem;
}

.site-main--medium {
  max-width: 48rem;
}

.site-main--wide {
  max-width: 52rem;
}

/* —— Footer —— */
.site-footer {
  background: var(--color-footer);
  color: var(--color-text-muted-dark);
  border-top: 1px solid var(--color-line-dark);
  font-size: 0.75rem;
  padding: 2rem 1rem;
  margin-top: auto;
}

.site-footer__inner {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__title {
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin: 0 0 0.25rem;
}

.site-footer__desc,
.site-footer__copy {
  margin: 0;
  font-size: 0.625rem;
  color: #64748b;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
}

.site-footer__links a {
  color: #64748b;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--brand-cyan);
  text-decoration: none;
}

/* —— Components —— */
.site-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
}

.site-card + .site-card {
  margin-top: 1rem;
}

.site-page-title {
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.site-page-title em {
  font-style: normal;
  color: var(--color-secondary);
}

.site-lead {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: var(--color-secondary-hover);
  color: #fff;
}

.btn-ghost {
  background: var(--color-bg);
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-line);
}

.btn-ghost:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.btn-pill {
  border-radius: var(--radius-pill);
}

.site-cta {
  margin-top: 2rem;
  background: linear-gradient(135deg, var(--color-secondary), #818cf8);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  color: #fff;
  text-align: center;
}

.site-cta h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.site-cta p {
  font-size: 0.9rem;
  opacity: 0.92;
  margin: 0 0 1rem;
}

.site-cta .btn {
  background: #fff;
  color: var(--color-secondary);
  font-weight: 700;
}

.site-cta-official {
  margin-top: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.site-cta-official h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.site-cta-official p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 0.875rem;
}

.site-cta-official .btn {
  background: var(--color-header);
  color: #fff;
}

.site-cta-official .btn:hover {
  background: var(--color-secondary-hover);
}

/* Content list cards (blog) */
.site-list-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 0.875rem;
  padding: 1rem 1.125rem;
  margin-bottom: 0.75rem;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s;
}

.site-list-card:hover {
  border-color: var(--color-primary);
  text-decoration: none;
}

.site-list-card h2 {
  font-size: 1.05rem;
  color: var(--color-text);
  margin: 0 0 0.25rem;
}

.site-list-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Hero banner (homepage) */
.hero-banner {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--brand-dark);
}

.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

@media (max-width: 640px) {
  .hero-banner img {
    object-position: center 38%;
  }
}

.hero-banner__frame {
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: min(72vh, 520px);
}

@media (min-width: 640px) {
  .hero-banner__frame {
    aspect-ratio: 16 / 8;
  }
}

@media (min-width: 768px) {
  .hero-banner__frame {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 1024px) {
  .hero-banner__frame {
    aspect-ratio: 21 / 8;
  }
}

.hero-banner__gradient {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 4rem;
  background: linear-gradient(to top, rgba(2, 11, 26, 0.8), transparent);
  pointer-events: none;
}

.hero-banner__badge {
  position: absolute;
  bottom: 0.75rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(2, 11, 26, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  font-size: 0.6875rem;
  color: #e2e8f0;
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.1);
}

@media (min-width: 640px) {
  .hero-banner__badge {
    left: auto;
    right: 1.5rem;
    bottom: 1rem;
    font-size: 0.75rem;
  }
}

.hero-banner__badge strong {
  color: var(--brand-cyan);
  font-weight: 700;
}

/* Content typography (blog, guide, legal) */
.site-main h1 {
  font-size: clamp(1.5rem, 4vw, 1.85rem);
  margin: 0 0 0.5rem;
}

.site-main .sub,
.site-main .site-lead {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.site-main .card,
.site-main a.card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 0.875rem;
  padding: 1rem 1.125rem;
  margin-bottom: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.site-main .card:hover,
.site-main a.card:hover {
  border-color: var(--color-primary);
  text-decoration: none;
}

.site-main .card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.25rem;
  color: var(--color-text);
}

.site-main .card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.site-main .box {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.125rem;
  margin: 1rem 0;
}

.site-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.92rem;
}

.site-main th,
.site-main td {
  border: 1px solid var(--color-line);
  padding: 0.5rem 0.625rem;
  text-align: left;
  vertical-align: top;
}

.site-main th {
  background: var(--color-surface);
}

.site-main code {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.9em;
}

.site-main details {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.125rem;
  margin-bottom: 0.625rem;
}

.site-main summary {
  font-weight: 600;
  cursor: pointer;
}

.site-main details p {
  margin-top: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}