/* ============================================
   DODO EXPRESS — Layout System
   Grid, responsive, page structure.
   ============================================ */

/* --- Page Layout --- */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Header / Nav --- */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 253, 245, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-3) 0;
  transition: background var(--transition-base);
}

[data-theme="night"] .nav {
  background: rgba(13, 31, 27, 0.9);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
}

.nav__brand img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__link {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-primary);
  background: var(--color-primary-pale);
}

.nav__link--active {
  color: var(--color-primary);
  background: var(--color-primary-pale);
}

.nav__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
}

.nav__username {
  font-weight: 700;
  font-size: var(--text-sm);
}

.nav__mobile-toggle {
  display: none;
  font-size: var(--text-xl);
  padding: var(--space-2);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(145deg, var(--color-primary-pale) 0%, var(--color-bg) 50%, rgba(249, 200, 14, 0.05) 100%);
  padding: var(--space-16) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__title {
  font-size: var(--text-5xl);
  line-height: 1.1;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 500px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

/* --- Section Layout --- */
.section {
  padding: var(--space-16) 0;
}

.section--alt {
  background: var(--color-bg-section);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section__kicker {
  display: block;
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.section__title {
  margin-bottom: var(--space-4);
}

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

/* --- Grids --- */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* --- Checkin Panel --- */
.checkin {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 420px;
  width: 100%;
}

.checkin__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
}

.checkin__top b {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
}

.checkin__tools {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.checkin__body {
  padding: var(--space-6);
}

.checkin__divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.checkin__divider::before,
.checkin__divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.checkin__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-light);
  line-height: 1.5;
}

/* --- Service live indicator --- */
.service-live {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 800;
  color: #2ECC71;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Benefits grid --- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

.benefit-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
  color: inherit;
}

.benefit-card__icon {
  font-size: 2rem;
}

.benefit-card__tier {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
}

.benefit-card b {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
}

.benefit-card small {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-10) 0;
  text-align: center;
  margin-top: auto;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer b {
  color: var(--color-primary-light);
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.footer p {
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-2);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  html { font-size: 15px; }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .hero__title {
    font-size: var(--text-3xl);
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__subtitle {
    margin: 0 auto;
  }

  .checkin {
    max-width: 100%;
    margin: 0 auto;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .nav__links {
    display: none;
  }

  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
  }

  .nav__mobile-toggle {
    display: block;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  .section { padding: var(--space-10) 0; }

  .section__header { margin-bottom: var(--space-8); }
}

@media (max-width: 480px) {
  html { font-size: 14px; }

  .hero {
    padding: var(--space-10) 0 var(--space-8);
  }

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