/* ==========================================================================
   إتْمَام | ITMAM — layout.css
   تخطيط الصفحات، الشبكات المعمارية، وفلسفة الفراغ (Ma — 間)
   ========================================================================== */

body {
  padding-top: var(--header-height);
}

/* =========================================
   أ) الحاويات
   ========================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 5rem);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 5rem);
}

.container-text {
  width: 100%;
  max-width: var(--container-text);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 6vw, 4rem);
}

/* =========================================
   ب) الأقسام
   ========================================= */

.section-pad {
  padding-block: clamp(3rem, 6vw, 4.5rem);
}

.section-pad-sm {
  padding-block: clamp(2rem, 4vw, 3rem);
}

.section-pad-lg {
  padding-block: clamp(4rem, 8vw, 6rem);
}

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

.section-sumi {
  background-color: var(--sumi);
  color: var(--washi);
}

/* =========================================
   ج) الشبكات
   ========================================= */

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
}

.split-60-40 {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.split-40-60 {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.split-50-50 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 4vw, 4rem);
  align-items: center;
}

/* Portfolio — 3 أعمدة Landscape متوازنة */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2.25rem) clamp(1.25rem, 2vw, 1.75rem);
}

@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(2rem, 3vw, 3rem);
  padding-block: var(--space-2xl);
  border-block: 1px solid var(--line);
}

/* Team — 3 أعضاء */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}

/* Values — 3 بطاقات */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}

/* Services عمودي */
.services-vertical {
  display: flex;
  flex-direction: column;
  gap: clamp(5rem, 10vw, 8rem);
}

/* Gallery — 2x2 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

/* Meta bar — 4 معلومات */
.project-meta-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-block: var(--space-xl);
  border-block: 1px solid var(--line);
  margin-block: var(--space-2xl);
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project-meta-value {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  color: var(--sumi);
}

/* Prev/Next */
.project-nav-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--line);
}

.project-nav-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: color var(--duration-hover) var(--ease-out-expo);
}

.project-nav-item:hover .project-nav-title {
  color: var(--clay);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mist);
}

.breadcrumb a {
  color: var(--stone);
  transition: color var(--duration-hover) var(--ease-out-expo);
}

.breadcrumb a:hover {
  color: var(--clay);
}

.breadcrumb-sep {
  color: var(--mist);
  margin-inline: var(--space-xs);
}

.breadcrumb-current {
  color: var(--sumi);
}

/* Process steps — 6 مراحل */
.process-vertical {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.process-step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--line);
}

.process-step-number {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
  direction: ltr;
}

/* Service block */
.service-block {
  padding-block: clamp(4rem, 8vw, 6rem);
  border-top: 1px solid var(--line);
}

.service-block:first-child {
  border-top: none;
}

/* Media queries */
@media (max-width: 1024px) {
  .split-60-40,
  .split-40-60,
  .split-50-50 {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-meta-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .process-step {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .project-nav-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .grid-12 {
    grid-template-columns: 1fr;
  }
  .stats-grid,
  .team-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }
  .project-meta-bar {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   د) Utilities
   ========================================= */

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

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.flex {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

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

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

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

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

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

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

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

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

.mt-0,
.mb-0 {
  margin: 0;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.mt-2xl {
  margin-top: var(--space-2xl);
}

.mt-3xl {
  margin-top: var(--space-3xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mb-xl {
  margin-bottom: var(--space-xl);
}

.mb-2xl {
  margin-bottom: var(--space-2xl);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hidden {
  display: none !important;
}