/* ═══════════════════════════════════════
   CLEN | كلن — Layout
   ═══════════════════════════════════════ */

.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: var(--max-width);
  margin-inline: auto;
  background-color: var(--color-surface);
  position: relative;
}

.app__main {
  flex: 1;
  padding-block: var(--space-md);
  padding-inline: var(--page-padding);
  padding-block-end: calc(var(--navbar-height) + var(--space-lg));
}

.app__main--no-navbar {
  padding-block-end: var(--space-lg);
}

.app__main--no-header {
  padding-block-start: var(--space-md);
}

/* Section spacing */
.section {
  margin-block-end: var(--space-xl);
}

.section:last-child {
  margin-block-end: 0;
}

.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-block-end: var(--space-md);
}

.section__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.section__link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  transition: opacity var(--transition-fast);
}

.section__link:hover {
  opacity: 0.8;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.grid-auto {
  display: grid;
  gap: var(--space-md);
}

/* Stack */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.stack-sm {
  gap: var(--space-sm);
}

.stack-lg {
  gap: var(--space-lg);
}

/* Flex helpers */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

/* Page header (sub-pages) */
.page-header {
  margin-block-end: var(--space-lg);
}

.page-header__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-block-end: var(--space-xs);
}

.page-header__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  color: var(--color-text-inverse);
  margin-block-end: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset-block-start: -50%;
  inset-inline-start: -20%;
  width: 60%;
  height: 200%;
  background: var(--color-white);
  opacity: 0.05;
  border-radius: 50%;
  pointer-events: none;
}

.hero__greeting {
  font-size: var(--font-size-sm);
  opacity: 0.85;
  margin-block-end: var(--space-xs);
}

.hero__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-block-end: var(--space-sm);
  color: var(--color-text-inverse);
}

.hero__subtitle {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-block-end: var(--space-lg);
  line-height: var(--line-height-relaxed);
}