/* ==========================================================================
   E-ATÖLYE - Monochrome Black & White Enterprise Stylesheet
   Strict B&W Design System, Premium Minimal Corporate Aesthetic
   ========================================================================== */

:root {
  /* Strict Black & White Palette */
  --bg-black: #000000;
  --bg-surface-1: #080808;
  --bg-surface-2: #101010;
  --bg-surface-3: #181818;
  --bg-card: rgba(18, 18, 18, 0.85);
  --bg-card-hover: rgba(28, 28, 28, 0.95);
  --bg-input: #0c0c0c;

  /* Hairline Monochrome Borders */
  --border-hairline: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --border-focus: #ffffff;
  --border-white: #ffffff;

  /* Monochrome Typography Hierarchy */
  --text-white: #ffffff;
  --text-pure: #ffffff;
  --text-primary: #f5f5f5;
  --text-secondary: #d4d4d4;
  --text-muted: #a3a3a3;
  --text-dim: #737373;

  /* Accent & Grayscale Highlights */
  --accent-white: #ffffff;
  --accent-bg-subtle: rgba(255, 255, 255, 0.04);
  --accent-border-subtle: rgba(255, 255, 255, 0.12);

  /* Shadows (Neutral Deep Blacks) */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 16px 40px -8px rgba(0, 0, 0, 0.95);

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.18s var(--ease-expo);
  --transition-normal: 0.3s var(--ease-expo);
  --transition-slow: 0.5s var(--ease-expo);

  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-black);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-black);
  color: var(--text-secondary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Monochromatic Grid Overlay */
.bg-grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 48px 48px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

main {
  flex: 1 0 auto;
  position: relative;
  z-index: 1;
}

img, svg {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: var(--text-white);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--text-muted);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-pure);
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

p {
  margin-bottom: 1.15rem;
}

p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Container & Section Spacing
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: 860px;
}

.section-padding {
  padding: 6.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--accent-bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-white);
  font-size: 0.775rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.section-badge i {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1.15rem;
  letter-spacing: -0.03em;
}

.section-description {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Typography Gradient Utilities (Monochrome Pure White to Soft Gray)
   -------------------------------------------------------------------------- */
.text-gradient {
  background: linear-gradient(135deg, #ffffff 40%, #888888 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.text-accent-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

/* --------------------------------------------------------------------------
   Buttons (High Contrast Monochrome Inversions)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.85rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  line-height: 1;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.02em;
}

/* Solid White Primary Button -> Inverts to Black with White Border on Hover */
.btn-primary {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
  font-weight: 700;
}

.btn-primary:hover {
  background: #000000;
  color: #ffffff;
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* Solid Black Outline Button -> Inverts to White with Black Text on Hover */
.btn-outline {
  background: transparent;
  color: #ffffff;
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   Header & Navigation (Fluid, Crisp, Perfectly Aligned)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-hairline);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header .container {
  max-width: 1480px;
  width: 100%;
  padding: 0 2.5rem;
  height: 100%;
  margin: 0 auto;
}

.site-header.scrolled {
  background: #000000;
  border-bottom-color: var(--border-light);
  box-shadow: var(--shadow-md);
  height: 72px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  gap: 2rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 38px;
  max-width: 190px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
  text-decoration: none;
  display: inline-block;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffffff;
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Language Selector Dropdown (Desktop)
   -------------------------------------------------------------------------- */
.lang-dropdown {
  position: relative;
  user-select: none;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.85rem;
  background: #111111;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xs);
  color: #ffffff;
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.lang-btn:hover, .lang-dropdown.active .lang-btn {
  background: #1c1c1c;
  border-color: #ffffff;
}

.flag-icon-img {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  display: inline-block;
  vertical-align: middle;
  border: 1px solid rgba(255, 255, 255, 0.15);
  flex-shrink: 0;
}

.lang-code {
  letter-spacing: 0.05em;
}

.lang-chevron {
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.lang-dropdown.active .lang-chevron {
  transform: rotate(180deg);
  color: #ffffff;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 185px;
  background: #0d0d0d;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xs);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.85);
  padding: 0.4rem;
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.lang-dropdown.active .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 3px;
  transition: all var(--transition-fast);
}

.lang-menu-item:hover {
  background: #1a1a1a;
  color: #ffffff;
}

.lang-menu-item.active {
  background: #222222;
  color: #ffffff;
  font-weight: 600;
}

.lang-menu-item .item-native {
  flex: 1;
  white-space: nowrap;
}

.lang-menu-item .item-code {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 700;
}

.lang-menu-item .item-check {
  font-size: 0.75rem;
  color: #ffffff;
}

/* Mobile Drawer Language Selector */
.drawer-lang-selector {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-hairline);
}

.drawer-lang-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
}

.drawer-lang-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.45rem 0.3rem;
  background: #141414;
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.drawer-lang-chip.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 700;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-hairline);
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--text-pure);
  font-size: 1.2rem;
  border-radius: var(--radius-xs);
  transition: background var(--transition-fast);
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Mobile Off-canvas Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: #080808;
  border-left: 1px solid var(--border-light);
  z-index: 1001;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right 0.35s var(--ease-expo);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.95);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.drawer-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-hairline);
  color: var(--text-pure);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.drawer-link {
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0.5rem;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}

.drawer-link:hover, .drawer-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
  padding-left: 0.75rem;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 6.5rem 0 5.5rem;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-black);
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.15rem;
  background: var(--accent-bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-white);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 580px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-hairline);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.trust-item i {
  color: #ffffff;
  font-size: 0.9rem;
}

/* Hero Monochrome Blueprint Card */
.hero-visual {
  position: relative;
}

.hero-tech-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #ffffff 0%, transparent 100%);
}

.blueprint-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-hairline);
}

.blueprint-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #ffffff;
}

.blueprint-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
}

.arch-node {
  background: #080808;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color var(--transition-fast);
}

.arch-node:hover {
  border-color: var(--border-white);
}

.arch-node-title {
  font-weight: 600;
  color: var(--text-white);
  font-size: 0.925rem;
}

.arch-node-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Stats Section
   -------------------------------------------------------------------------- */
.stats-section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  background: var(--bg-surface-1);
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-white);
}

.stat-number {
  font-family: 'Outfit', sans-serif;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-pure);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Services Section & Monochrome Cards
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-white);
  box-shadow: var(--shadow-md);
}

.service-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-xs);
  background: #080808;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon-box {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: #ffffff;
  margin-top: auto;
}

.service-link i {
  transition: transform var(--transition-fast);
}

.service-card:hover .service-link i {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Projects Section & Filter
   -------------------------------------------------------------------------- */
.portfolio-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.55rem 1.35rem;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-white);
  box-shadow: var(--shadow-md);
}

.project-image {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #080808;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.04);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.92) 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

.project-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #111111;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
  margin-top: auto;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   Contact Form & Info Layout
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-info-card, .contact-form-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin: 2rem 0;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-xs);
  background: #080808;
  border: 1px solid var(--border-light);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-info-content p, .contact-info-content a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-pure);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: var(--bg-input);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  color: var(--text-pure);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: #ffffff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
  background: #111111;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Alert Boxes (Monochrome with Clean Status Icons) */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #141414;
  border: 1px solid var(--border-light);
  color: #ffffff;
}

.alert-success {
  border-left: 4px solid #ffffff;
}

.alert-danger {
  border-left: 4px solid #737373;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-box {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 4.5rem 3rem;
  text-align: center;
  position: relative;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-description {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto 2.5rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #040404;
  border-top: 1px solid var(--border-hairline);
  padding: 5rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin: 1.25rem 0 1.5rem;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.95rem;
  margin-bottom: 1.35rem;
  color: var(--text-pure);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   Inner Page Hero
   -------------------------------------------------------------------------- */
.page-hero {
  padding: 5.5rem 0 4rem;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--border-hairline);
  background: var(--bg-surface-1);
}

.page-hero-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Scroll Reveal Animation System
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-expo), transform 0.6s var(--ease-expo);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }

/* --------------------------------------------------------------------------
   Modal Structure
   -------------------------------------------------------------------------- */
.custom-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.custom-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(15px);
  transition: transform var(--transition-normal);
}

.custom-modal.active .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: #ffffff;
}

.modal-body {
  padding: 2rem;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .hero-title {
    font-size: 2.85rem;
  }
  .services-grid, .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .nav-menu, .nav-actions .btn {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.95rem;
  }
  .services-grid, .projects-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .cta-box {
    padding: 3rem 1.5rem;
  }
  .modal-dialog {
    width: 95%;
    margin: 1rem;
  }
  .modal-body {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
  }
  .page-hero-title {
    font-size: 1.85rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .brand-logo-img {
    height: 32px !important;
  }
  .portfolio-filter {
    gap: 0.35rem;
  }
  .filter-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
  }
  .trust-item {
    font-size: 0.8rem;
  }
  .btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .form-control {
    min-height: 44px;
    font-size: 16px !important; /* Prevents auto-zoom on iOS */
  }
}

@media (max-width: 360px) {
  .hero-title {
    font-size: 1.55rem;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .lang-btn {
    padding: 0.4rem 0.65rem;
    font-size: 0.8rem;
    min-height: 40px;
  }
  .mobile-drawer {
    width: 100vw;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* About Page Specific Components */
.about-main-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 3rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.about-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #ffffff, transparent);
}

.vision-mission-card {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.vision-mission-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.4);
}

.vm-icon-box {
  width: 48px;
  height: 48px;
  background: #000000;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.vm-title {
  font-size: 1.5rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.vm-body {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
}

.about-highlight-box {
  margin-top: 3rem;
  background: #000000;
  border: 1px solid var(--border-light);
  border-left: 4px solid #ffffff;
  border-radius: var(--radius-md);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.highlight-icon {
  width: 52px;
  height: 52px;
  background: #171717;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #ffffff;
  flex-shrink: 0;
}

.highlight-text {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #ffffff;
  font-weight: 600;
  margin: 0;
}

@media (max-width: 768px) {
  .about-main-card {
    padding: 1.75rem;
  }
  .vision-mission-card {
    padding: 1.75rem;
  }
  .about-highlight-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
  }
  .highlight-text {
    font-size: 1.05rem;
  }
}

/* Social Media Buttons */
.social-btn {
  width: 38px;
  height: 38px;
  background: #121212;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  transform: translateY(-2px);
}