/* ==========================================================================
   HSG - Hamdy Salem Group | Global Layout, Awwwards Background System & Grids
   ========================================================================== */

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

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section-padding {
  padding-block: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.section-padding-sm {
  padding-block: var(--space-xl);
  position: relative;
  overflow: hidden;
}

/* Background Color System with Subtle Ambient Gradients */
.bg-charcoal {
  background-color: var(--charcoal);
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(196, 154, 90, 0.08) 0%, transparent 65%),
    radial-gradient(circle at 80% 100%, rgba(20, 24, 28, 0.5) 0%, transparent 50%);
}

.bg-ink {
  background-color: var(--ink);
  background-image: 
    radial-gradient(ellipse at 20% 50%, rgba(196, 154, 90, 0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(30, 36, 42, 0.4) 0%, transparent 60%);
}

.bg-graphite {
  background-color: var(--graphite);
  background-image: 
    radial-gradient(circle at 50% 100%, rgba(196, 154, 90, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 0%, rgba(10, 12, 14, 0.6) 0%, transparent 50%);
}

.border-top {
  border-top: 1px solid var(--line-subtle);
  position: relative;
}

.border-top::before {
  content: '';
  position: absolute;
  top: -1px;
  inset-inline-start: 10%;
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bronze), transparent);
}

.border-bottom {
  border-bottom: 1px solid var(--line-subtle);
}

/* Architectural Background Blueprint Grid & CAD Linework */
.grid-bg-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(245, 242, 236, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 242, 236, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(196, 154, 90, 0.05) 0%, transparent 70%);
  background-size: 80px 80px, 80px 80px, 100% 100%;
  pointer-events: none;
  z-index: 0;
}

/* Ambient Radial Light Cones */
.ambient-light-top {
  position: absolute;
  top: -150px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(196, 154, 90, 0.12) 0%, rgba(196, 154, 90, 0.03) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

.ambient-light-bottom {
  position: absolute;
  bottom: -150px;
  inset-inline-end: 10%;
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(196, 154, 90, 0.09) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(50px);
}

/* Oversized Architectural Background Watermark Typography */
.bg-watermark {
  position: absolute;
  top: 50%;
  inset-inline-start: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading);
  font-size: clamp(8rem, 20vw, 24rem);
  font-weight: 900;
  color: rgba(245, 242, 236, 0.018);
  letter-spacing: 0.1em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  text-transform: uppercase;
}

/* Section Background Image Overlay with Dark Gradient Blend */
.section-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.section-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  filter: grayscale(80%) contrast(1.2);
}

.section-bg-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(10, 12, 14, 0.75) 50%, var(--ink) 100%);
}

/* Section Header Composition */
.section-header {
  margin-bottom: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  position: relative;
  z-index: 2;
}

.section-header.text-center {
  align-items: center;
  text-align: center;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  position: relative;
  z-index: 2;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  position: relative;
  z-index: 2;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  position: relative;
  z-index: 2;
}

/* Large Screens Optimization (1024px to 1399px) */
@media (max-width: 1399px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

/* Tablet Layout (768px to 1023px) */
@media (max-width: 1024px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

/* Mobile Layout (under 768px) */
@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}