/* ==========================================================================
   ATHAR — layout.css
   App shell, containers, section rhythm, grid primitives.
   All direction-agnostic: logical properties only.
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* --------------------------------------------------------------------------
   Application shell
   -------------------------------------------------------------------------- */

.app {
  display: flex;
  flex-direction: column;
  min-block-size: 100%;
}

.app-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--c-bg) 82%, transparent);
  border-block-end: var(--bw-1) solid var(--c-border);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
}

@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .app-header {
    background: var(--c-bg);
  }
}

.app-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: var(--header-h);
}

.app-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-block-size: 60vh;
  outline: none;
  scroll-margin-block-start: calc(var(--header-h) + var(--sp-5));
}

/* Lets a page stretch to fill the viewport instead of collapsing to content. */
.view {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-block-size: 0;
}

.app-footer {
  margin-block-start: auto;
  border-block-start: var(--bw-1) solid var(--c-border);
  background: var(--c-surface-2);
  padding-block: var(--sp-8) var(--sp-7);
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}

.app-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
  align-items: flex-start;
  justify-content: space-between;
}

.app-footer__brand {
  max-width: 42ch;
}

.app-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-7);
}

/* --------------------------------------------------------------------------
   Page frame
   -------------------------------------------------------------------------- */

.page {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  padding-block: var(--sp-9) var(--sp-11);
}

.page--compact {
  padding-block: var(--sp-7);
}

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-4) var(--sp-6);
  margin-block-end: var(--sp-8);
}

.page-header__titles {
  min-width: 0;
}

.section {
  padding-block: var(--sp-9);
}

.section--tight {
  padding-block: var(--sp-7);
}

.section + .section {
  border-block-start: var(--bw-1) solid var(--c-border);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.stack-sm {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.stack-lg {
  display: flex;
  flex-direction: column;
  gap: var(--sp-7);
}

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-4);
}

.row--between {
  justify-content: space-between;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.grid {
  display: grid;
  gap: var(--sp-5);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
}

/* --------------------------------------------------------------------------
   Home hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: var(--sp-11) var(--sp-10);
  overflow: clip;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-6);
  max-width: 46ch;
}

.hero__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-text-subtle);
  font-weight: 600;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 600;
}

.hero__title .word-arabic {
  display: block;
  font-size: 0.42em;
  font-weight: 600;
  color: var(--c-clay);
  letter-spacing: 0;
  margin-block-start: var(--sp-2);
  font-family: var(--font-arabic);
}

.hero__lead {
  font-size: var(--fs-md);
  line-height: var(--lh-base);
  color: var(--c-text-muted);
  max-width: 44ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-block-start: var(--sp-2);
}

.hero__aside {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: var(--sp-5);
  width: 100%;
  margin-block-start: var(--sp-10);
}

.privacy-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-6);
  align-items: center;
  padding: var(--sp-5) var(--sp-6);
  background: var(--c-surface);
  border: var(--bw-1) solid var(--c-border);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  box-shadow: var(--sh-xs);
}

.privacy-strip__item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

/* --------------------------------------------------------------------------
   Concept flow (Create → Shape → Experience → Own)
   -------------------------------------------------------------------------- */

.concept-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-4);
  align-items: stretch;
}

.concept-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-6);
  background: var(--c-surface);
  border: var(--bw-1) solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-xs);
}

.concept-step__index {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  color: var(--c-clay);
}

.concept-step__title {
  font-size: var(--fs-md);
  font-weight: 600;
}

.concept-step__desc {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}

.concept-step__arrow {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: calc(var(--sp-4) * -1 - 14px);
  transform: translateY(-50%);
  color: var(--c-border-strong);
  background: var(--c-bg);
  border-radius: var(--r-pill);
}

/* --------------------------------------------------------------------------
   Footer notice band
   -------------------------------------------------------------------------- */

.notice-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-5);
  padding: var(--sp-7);
  background: var(--c-surface-sunken);
  border: var(--bw-1) solid var(--c-border);
  border-radius: var(--r-lg);
}