/* 
 * ==============================================================================
 * شركة أساس للمقاولات العامة | ASAS Construction
 * ملف: css/layout.css
 * الفئة: Corporate Trust (الهيكل العام، التخطيط والشبكات)
 * ==============================================================================
 */

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

/* ==========================================================================
   أ) الحاويات (Containers)
   ========================================================================== */

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

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

.container-text {
  width: 100%;
  max-width: var(--container-text);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 3rem);
}

/* ==========================================================================
   ب) الأقسام (Sections)
   ========================================================================== */

.section-pad {
  padding-block: clamp(4rem, 8vw, 6.5rem);
}

.section-pad-sm {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.section-pad-lg {
  padding-block: clamp(6rem, 10vw, 8.5rem);
}

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

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

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

/* ==========================================================================
   ج) الشبكات (Grids & Layouts)
   ========================================================================== */

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.split-60-40 {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.split-40-60 {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.split-50-50 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
}

/* شبكة المشاريع */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 3vw, 2.5rem);
}

/* شبكة الأرقام */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding-block: var(--space-xl);
  border-block: 1px solid var(--line);
}

.stats-grid > * {
  padding-inline: clamp(1rem, 2vw, 2rem);
  border-inline-end: 1px solid var(--line);
}

.stats-grid > *:last-child {
  border-inline-end: none;
}

/* شبكة الفريق */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

/* شبكة الخدمات (4 أعمدة) */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

/* شبكة الشهادات */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

/* شبكة قبل/بعد */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
}

/* شريط بيانات المشروع */
.project-meta-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding-block: var(--space-xl);
  border-block: 1px solid var(--line-strong);
  margin-block: var(--space-2xl);
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-inline: clamp(1rem, 2vw, 1.5rem);
  border-inline-end: 1px solid var(--line);
}

.project-meta-item:last-child {
  border-inline-end: none;
}

.project-meta-value {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--ink);
}

/* التنقل بين المشاريع */
.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-strong);
}

.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(--gold);
}

/* 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: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mist);
}

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

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

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

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

/* مراحل العمل */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.process-step {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--line-strong);
}

.process-step-number {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  direction: ltr;
}

/* كتلة الخدمة */
.service-block {
  padding-block: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
}

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

/* Trust Strip (شريط الثقة في أعلى الصفحة) */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background-color: var(--navy);
  color: var(--paper);
  border-top: 2px solid var(--gold);
}

.trust-strip-item {
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
  padding-inline: clamp(1rem, 2vw, 1.5rem);
  border-inline-end: 1px solid rgba(244, 243, 240, 0.15);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  text-align: center;
}

.trust-strip-item:last-child {
  border-inline-end: none;
}

.trust-strip-value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  direction: ltr;
}

.trust-strip-label {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 400;
  color: rgba(244, 243, 240, 0.75);
}

/* ==========================================================================
   د) التجاوب (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
  .split-60-40,
  .split-40-60,
  .split-50-50 {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

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

  .stats-grid > * {
    border-inline-end: none;
    border-bottom: 1px solid var(--line);
    padding-block: var(--space-lg);
  }

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

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

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

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

  .project-meta-item {
    border-inline-end: none;
    border-bottom: 1px solid var(--line);
    padding-block: var(--space-md);
  }
}

@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;
  }

  .portfolio-grid,
  .stats-grid,
  .team-grid,
  .certs-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .project-meta-bar {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   هـ) 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;
}