/* ==========================================================================
   Yaseraburyaleh - Enterprise Software Solutions
   Design System & Styling
   Language: English (LTR Standard)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&family=Fira+Code:wght@400;500;600&display=swap');

/* --- Root & Theme Variables --- */
:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-tertiary: #172033;
  --bg-card: rgba(17, 24, 39, 0.72);
  --bg-card-hover: rgba(28, 38, 59, 0.88);
  --bg-glass: rgba(15, 23, 42, 0.65);

  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);

  --secondary: #8b5cf6;
  --secondary-glow: rgba(139, 92, 246, 0.3);

  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-whatsapp: #25d366;
  --accent-whatsapp-hover: #20bd5a;

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-whatsapp: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
  --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --gradient-border: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.03) 100%);

  /* Text Colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #090d16;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-highlight: rgba(99, 102, 241, 0.5);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.35);
  --shadow-whatsapp: 0 4px 20px rgba(37, 211, 102, 0.4);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-code: 'Fira Code', monospace;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --backdrop-blur: blur(16px);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --text-inverse: #f8fafc;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.16);
  --border-highlight: rgba(99, 102, 241, 0.6);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);

  --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
  --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.7) 100%);
  --gradient-border: linear-gradient(135deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.02) 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  direction: ltr;
  text-align: left;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Selection */
::selection {
  background: var(--primary);
  color: #ffffff;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
}

/* --- Utility Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 6rem;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-block: 4rem;
  }
}

/* Section Header Typography */
.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid var(--border-highlight);
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

[data-theme="light"] .section-tag {
  color: var(--primary-dark);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.8vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.1rem;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.7;
}

/* Gradient Text Effect */
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* Ambient Spheres */
.bg-glow-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-whatsapp {
  background: var(--gradient-whatsapp);
  color: #ffffff;
  box-shadow: var(--shadow-whatsapp);
  font-weight: 700;
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
  background: #20bd5a;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  backdrop-filter: var(--backdrop-blur);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --- Top Info & Status Ribbon --- */
.top-ribbon {
  background: rgba(10, 15, 26, 0.92);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  padding-block: 0.45rem;
  transition: all var(--transition-fast);
}

[data-theme="light"] .top-ribbon {
  background: rgba(241, 245, 249, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.top-ribbon-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ribbon-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-main);
}

.ribbon-status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

.ribbon-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--text-muted);
}

.ribbon-link-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  font-weight: 500;
}

.ribbon-link-item:hover {
  color: var(--primary-light);
}

@media (max-width: 768px) {
  .ribbon-links {
    display: none;
  }
}

/* --- Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-smooth);
}

.navbar {
  height: var(--header-height);
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  background: transparent;
}

.site-header.scrolled .navbar {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
  white-space: nowrap;
}

.brand-logo-img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  filter: drop-shadow(0 3px 10px rgba(6, 182, 212, 0.4));
  transition: transform var(--transition-fast), filter var(--transition-fast);
  flex-shrink: 0;
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.08) rotate(-2deg);
  filter: drop-shadow(0 6px 18px rgba(6, 182, 212, 0.65));
}

.logo-icon-wrap {
  width: 42px;
  height: 42px;
  background: var(--gradient-brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--primary-glow);
  color: #ffffff;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: clamp(0.75rem, 1.3vw, 1.6rem);
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0.25rem;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-main);
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

.sun-icon, .moon-icon {
  width: 20px;
  height: 20px;
}

[data-theme="light"] .moon-icon { display: block; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="dark"] .sun-icon { display: block; }

/* Mobile Hamburger */
.mobile-nav-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  cursor: pointer;
}

/* Mobile Drawer Overlay & Header */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 17, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-secondary);
  z-index: 1060;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border-inline-end: 1px solid var(--border-medium);
  transition: left var(--transition-smooth);
  overflow-y: auto;
}

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

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

.drawer-close-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
}

.drawer-close-btn:hover {
  color: var(--text-main);
  border-color: var(--primary);
}

.drawer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.drawer-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.35rem;
}

.drawer-link:hover, .drawer-link.active {
  color: var(--primary-light);
}

.drawer-footer {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (max-width: 992px) {
  .nav-menu {
    display: none;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }
}

/* --- Hero Section Offset --- */
.hero-section {
  padding-top: calc(var(--header-height) + 5.5rem);
  padding-bottom: 5rem;
  overflow: hidden;
  position: relative;
}

.hero-glow-1 {
  top: 10%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: var(--primary);
}

.hero-glow-2 {
  top: 40%;
  right: 10%;
  width: 450px;
  height: 450px;
  background: var(--secondary);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

@media (max-width: 992px) {
  .hero-content {
    align-items: center;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 16px var(--accent-emerald); }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.hero-desc {
  font-size: 1.18rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

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

@media (max-width: 992px) {
  .hero-cta-group {
    justify-content: center;
  }
}

.hero-trust-indicators {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

@media (max-width: 992px) {
  .hero-trust-indicators {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.25rem;
  }
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.trust-item-icon {
  color: var(--accent-cyan);
}

.trust-item-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* High-Tech Terminal Card Preview */
.code-window-card {
  background: #0d121f;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: hidden;
  position: relative;
  direction: ltr;
  text-align: left;
}

[data-theme="light"] .code-window-card {
  background: #111827;
  color: #f8fafc;
}

.window-header {
  background: rgba(15, 23, 42, 0.85);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-tabs {
  display: flex;
  gap: 6px;
}

.window-tab {
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-code);
  color: #94a3b8;
  cursor: pointer;
  background: transparent;
  transition: all var(--transition-fast);
}

.window-tab.active {
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.code-body {
  padding: 1.5rem;
  font-family: var(--font-code);
  font-size: 0.875rem;
  line-height: 1.7;
  min-height: 320px;
  overflow-x: auto;
}

.token-keyword { color: #f43f5e; font-weight: 600; }
.token-function { color: #60a5fa; }
.token-string { color: #34d399; }
.token-variable { color: #fbcfe8; }
.token-comment { color: #64748b; font-style: italic; }
.token-bracket { color: #fbbf24; }
.token-number { color: #c084fc; }

.code-line {
  display: flex;
  gap: 1.25rem;
}

.line-num {
  color: #475569;
  user-select: none;
  min-width: 1.5rem;
}

/* Floating interactive badge on Hero */
.floating-accent-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 1rem;
  direction: ltr;
  text-align: left;
  animation: float-slow 4s ease-in-out infinite;
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.accent-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.accent-card-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.accent-card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Stats Counter Section --- */
.stats-section {
  padding-block: 2.75rem;
  background: var(--bg-secondary);
  border-block: 1px solid var(--border-subtle);
  position: relative;
  z-index: 2;
}

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

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

.stat-card {
  padding: 1rem;
}

.stat-number {
  font-size: clamp(2.4rem, 3.8vw, 3.4rem);
  font-weight: 900;
  font-family: var(--font-display);
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* --- Services Section --- */
.service-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.service-filter-btn {
  padding: 0.6rem 1.35rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.service-filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-medium);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.service-filter-btn.active {
  background: var(--gradient-brand);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.service-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: var(--primary-light);
  z-index: 2;
}

.badge-popular {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.35);
  color: var(--accent-cyan);
}

.badge-hot {
  background: rgba(244, 63, 94, 0.12);
  border-color: rgba(244, 63, 94, 0.35);
  color: var(--accent-rose);
}

.badge-ai {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.2));
  border-color: rgba(139, 92, 246, 0.4);
  color: #c084fc;
}

.badge-secure {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
}

.badge-enterprise {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--accent-amber);
}

.service-card.filtered-out {
  display: none !important;
}

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

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

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

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 2.25rem 2rem;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(99, 102, 241, 0.15);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary-light);
  transition: all var(--transition-smooth);
}

.service-card:hover .service-icon-box {
  background: var(--gradient-brand);
  color: #ffffff;
  transform: scale(1.08) rotate(4deg);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features-list {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.feature-check {
  color: var(--accent-emerald);
  flex-shrink: 0;
  font-weight: bold;
}

.service-card-action {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.service-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-light);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  background: none;
}

.service-link:hover {
  color: var(--accent-cyan);
  gap: 0.6rem;
}

/* --- Interactive Cost Estimator Section --- */
.estimator-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .estimator-card {
    padding: 1.75rem;
  }
}

.estimator-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 992px) {
  .estimator-layout {
    grid-template-columns: 1fr;
  }
}

.estimator-group {
  margin-bottom: 2rem;
}

.estimator-label {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: block;
}

.options-pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 0.85rem;
}

.option-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.option-pill:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

.option-pill.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--primary);
  color: var(--primary-light);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.option-icon {
  font-size: 1.35rem;
}

/* Feature Checkboxes for Calculator */
.feature-toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

@media (max-width: 600px) {
  .feature-toggle-grid {
    grid-template-columns: 1fr;
  }
}

.feature-checkbox-label {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.885rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  user-select: none;
}

.feature-checkbox-label:hover {
  border-color: var(--border-highlight);
}

.feature-checkbox-label.checked {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--primary);
  color: var(--text-main);
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  font-size: 0.75rem;
}

.feature-checkbox-label.checked .checkbox-custom {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* Estimator Live Summary Card */
.estimator-summary-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 100px;
}

.summary-price-box {
  text-align: center;
  padding: 1.5rem;
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-highlight);
}

.price-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-val {
  font-size: 2.75rem;
  font-weight: 900;
  font-family: var(--font-display);
  color: var(--primary-light);
  line-height: 1.1;
}

.price-curr {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.summary-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.9rem;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.meta-label {
  color: var(--text-muted);
}

.meta-value {
  font-weight: 700;
  color: var(--text-main);
}

.estimator-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* --- Portfolio Showcase --- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

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

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

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

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.project-thumb {
  position: relative;
  height: 220px;
  background: var(--bg-tertiary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-svg-mockup {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.project-card:hover .project-svg-mockup {
  transform: scale(1.05);
}

.project-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.project-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.project-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.stack-tag {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-code);
  font-weight: 600;
}

.project-action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.project-action-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.project-action-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* --- Tech Stack Matrix --- */
.tech-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tech-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tech-tab-btn:hover, .tech-tab-btn.active {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  color: var(--primary-light);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1.5rem;
}

.tech-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.75rem;
  transition: all var(--transition-smooth);
}

.tech-item-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
}

.tech-icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
}

.tech-name {
  font-weight: 700;
  font-size: 0.95rem;
  font-family: var(--font-display);
}

.tech-role {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* --- Workflow / Process Section --- */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

@media (max-width: 992px) {
  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  transition: all var(--transition-smooth);
}

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

.step-num-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 900;
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

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

/* --- Testimonials Section --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 992px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.8;
  font-style: italic;
}

.client-info-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary-light);
  border: 2px solid var(--primary);
  flex-shrink: 0;
}

.client-name {
  font-weight: 700;
  font-size: 1rem;
}

.client-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- FAQ Accordion Section --- */
.faq-container {
  max-width: 850px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.75rem;
  background: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  text-align: left;
  gap: 1rem;
}

.faq-icon-arrow {
  color: var(--primary-light);
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.75rem 1.5rem 1.75rem;
}

/* --- Contact & Project Inquiry Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3.5rem;
  align-items: start;
}

@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.info-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.info-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 600px) {
  .contact-form-card {
    padding: 1.75rem;
  }
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: var(--bg-card-hover);
}

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

.form-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.contact-btn-group {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .contact-btn-group {
    grid-template-columns: 1fr;
  }
}

/* --- Footer --- */
.site-footer {
  background: #050811;
  border-top: 1px solid var(--border-subtle);
  padding-top: 4rem;
  padding-bottom: 2.5rem;
  position: relative;
  z-index: 1;
}

[data-theme="light"] .site-footer {
  background: #0f172a;
  color: #f8fafc;
}

/* Pre-Footer High-Impact CTA Banner */
.footer-cta-wrapper {
  margin-bottom: 4.5rem;
}

.footer-cta-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.75) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 3rem 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(99, 102, 241, 0.15);
  position: relative;
  overflow: hidden;
}

.footer-cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.footer-cta-content {
  max-width: 660px;
  position: relative;
  z-index: 1;
}

.footer-cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.footer-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.7vw, 2.4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.footer-cta-desc {
  color: #94a3b8;
  font-size: 1.05rem;
  line-height: 1.7;
}

.footer-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: flex-end;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.footer-cta-note {
  font-size: 0.85rem;
  color: var(--accent-emerald);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

@media (max-width: 992px) {
  .footer-cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 2.25rem 2rem;
    gap: 2rem;
  }
  .footer-cta-actions {
    align-items: flex-start;
    width: 100%;
  }
  .footer-cta-actions .btn {
    width: 100%;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 3.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand-desc {
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-block: 1.25rem;
  max-width: 340px;
}

.footer-contact-info {
  margin-block: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #94a3b8;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-contact-item:hover {
  color: #ffffff;
  transform: translateX(3px);
}

.footer-contact-item svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.35rem;
  color: #ffffff;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-link {
  color: #94a3b8;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-link:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.775rem;
  color: #cbd5e1;
  margin-top: 0.4rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: #64748b;
}

.footer-bottom a {
  color: var(--primary-light);
}

.footer-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #94a3b8;
}

/* --- Floating Quick Actions --- */
.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--primary-glow);
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

/* Floating WhatsApp Direct Chat button */
.whatsapp-floating {
  position: fixed;
  bottom: 85px;
  right: 25px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-whatsapp);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  cursor: pointer;
  z-index: 99;
  transition: all var(--transition-smooth);
  border: none;
}

.whatsapp-floating:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.65);
}

/* --- Custom Toast Notification UI --- */
.toast-container {
  position: fixed;
  top: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
  pointer-events: none;
}

.toast-item {
  pointer-events: auto;
  min-width: 320px;
  max-width: 450px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: toast-slide-down 0.4s var(--transition-spring);
  direction: ltr;
  text-align: left;
}

@keyframes toast-slide-down {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: bold;
}

.toast-success .toast-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.toast-info .toast-icon {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
}

.toast-error .toast-icon {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
}

.toast-content {
  flex-grow: 1;
}

.toast-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.toast-message {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.toast-close-btn {
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.toast-close-btn:hover {
  color: var(--text-main);
}

/* --- Project Details Modal UI --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 17, 0.8);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
  direction: ltr;
  text-align: left;
}

.modal-overlay.open .modal-container {
  transform: scale(1);
}

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

.modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-close-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-main);
  border-color: var(--primary);
}

.modal-body {
  padding: 2rem;
}