/* ==========================================================================
   ASAD RAZA PORTFOLIO — STRICT MOBILE-FIRST DESIGN SYSTEM
   Awwwards-level Futuristic Glassmorphic Mobile-First Web Architecture
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette — Premium Dark */
  --bg-dark: #060a13;
  --bg-dark-secondary: #0d1220;
  --bg-card: rgba(13, 18, 32, 0.75);
  --bg-card-hover: rgba(20, 28, 48, 0.92);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  --accent-gold: #f0c45a;
  --accent-gold-glow: rgba(240, 196, 90, 0.25);
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.25);
  --accent-violet: #a78bfa;
  --accent-violet-glow: rgba(167, 139, 250, 0.25);
  --accent-emerald: #34d399;
  --accent-emerald-glow: rgba(52, 211, 153, 0.25);
  --accent-rose: #fb7185;
  --accent-rose-glow: rgba(251, 113, 133, 0.25);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(240, 196, 90, 0.25);
  --border-blue: rgba(59, 130, 246, 0.25);
  
  /* Gradient Tokens */
  --gradient-hero: linear-gradient(135deg, #f0c45a 0%, #fb923c 50%, #f43f5e 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(240,196,90,0.4), rgba(59,130,246,0.4), rgba(167,139,250,0.4));
  --gradient-text-shine: linear-gradient(90deg, #f0c45a, #3b82f6, #a78bfa, #f0c45a);
  
  /* Fonts */
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Layout & Spacing */
  --container-max: 1280px;
  --header-height: 70px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  
  --blur-amount: blur(16px);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(240, 196, 90, 0.3);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

::selection {
  background-color: var(--accent-gold);
  color: var(--bg-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

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

ul {
  list-style: none;
}

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

button, input, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

/* Utility Containers (Mobile First) */
.container {
  width: 92%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 0.5rem;
}

.section-spacing {
  padding: 65px 0;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: 1px 800px;
}

/* --------------------------------------------------------------------------
   3. Professional Section Badge
   -------------------------------------------------------------------------- */
.cell-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: rgba(240, 196, 90, 0.08);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  box-shadow: 0 0 15px var(--accent-gold-glow);
  width: fit-content;
  animation: pulseGlow 3s ease-in-out infinite;
}

.cell-tag .dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-gold);
}

.section-header {
  margin-bottom: 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-title {
  font-size: clamp(1.75rem, 5.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, #ffffff 0%, var(--accent-gold) 25%, #ffffff 50%, var(--accent-blue) 75%, #ffffff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient-hero);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: clamp(0.9rem, 3.2vw, 1.1rem);
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   4. Preloader
   -------------------------------------------------------------------------- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: var(--bg-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 2px;
}

.preloader-logo span {
  color: var(--accent-gold);
}

.preloader-bar {
  width: 150px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.preloader-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-blue));
  transition: width 0.3s ease;
}

/* --------------------------------------------------------------------------
   5. Background 3D Canvas
   -------------------------------------------------------------------------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   6. Mobile-First Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(11, 14, 20, 0.88);
  backdrop-filter: var(--blur-amount);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.logo-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-gold);
  background: rgba(212, 175, 106, 0.12);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
}

/* Mobile Base: Hide Desktop Links, Show Hamburger */
.nav-links,
.header .btn-primary {
  display: none;
}

/* Floating Glass Pill Nav (Desktop) */
.nav-links {
  align-items: center;
  gap: 1.5rem;
  background: rgba(13, 18, 32, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 1.4rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  padding: 0.25rem 0.2rem;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-gold);
}

/* Hamburger Button */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
  align-items: center;
  z-index: 1005;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Touch Friendly Mobile Drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 19, 0.97);
  backdrop-filter: blur(24px) saturate(180%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-15px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav .nav-link {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.6rem 2rem;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
  color: var(--accent-gold);
  background: rgba(240, 196, 90, 0.08);
}

/* Buttons (Touch Optimized) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.925rem;
  min-height: 48px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  touch-action: manipulation;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #e6a93e 100%);
  color: #060a13;
  box-shadow: 0 4px 20px rgba(240, 196, 90, 0.35);
}

.btn-primary:active {
  transform: scale(0.98);
}

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

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:active {
  transform: scale(0.98);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  width: 100%;
}

@media (min-width: 480px) {
  .form-actions {
    flex-direction: row;
  }
  .form-actions .btn {
    flex: 1;
  }
}

/* --------------------------------------------------------------------------
   7. Mobile-First Hero Section
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 20px);
  padding-bottom: 40px;
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 2.5rem;
  text-align: center;
}

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

.hero-title {
  font-size: clamp(2rem, 7.5vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-title .name {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-gold) 50%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.typing-container {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 4vw, 1.4rem);
  color: var(--accent-blue);
  min-height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.typing-text {
  border-right: 2px solid var(--accent-blue);
  padding-right: 4px;
  animation: blink 0.75s infinite;
}

@keyframes blink {
  0%, 100% { border-color: transparent; }
  50% { border-color: var(--accent-blue); }
}

.hero-description {
  font-size: clamp(0.95rem, 3.2vw, 1.1rem);
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.hero-cta .btn {
  width: 100%;
}

.social-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--accent-gold);
  border-color: var(--border-gold);
  background: rgba(240, 196, 90, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(240, 196, 90, 0.25);
  outline: none;
}

.social-link:active {
  color: var(--accent-gold);
  border-color: var(--border-gold);
  transform: translateY(0) scale(0.95);
}

/* Avatar Frame Mobile Base */
.hero-avatar-wrapper {
  order: -1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

.avatar-ring {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  padding: 6px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-blue), var(--accent-violet), var(--accent-emerald));
  box-shadow: 0 0 40px rgba(240, 196, 90, 0.25);
}

.avatar-img-container {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--bg-dark-secondary);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-stat-badge {
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 18, 32, 0.92);
  backdrop-filter: var(--blur-amount);
  border: 1px solid var(--border-gold);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
  box-shadow: 0 10px 30px rgba(0,0,0,0.7);
  animation: pulseGlow 3s ease-in-out infinite;
}

.hero-stat-badge .icon-box {
  width: 32px;
  height: 32px;
  background: rgba(240, 196, 90, 0.15);
  color: var(--accent-gold);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-stat-badge .stat-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.hero-stat-badge .stat-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.scroll-indicator {
  display: none;
}

/* --------------------------------------------------------------------------
   8. Mobile-First Cards & Grids
   -------------------------------------------------------------------------- */
.glass-card {
  background: linear-gradient(135deg, rgba(13,18,32,0.85), rgba(18,24,40,0.65));
  backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease, border-color 0.4s ease;
  opacity: 1;
  visibility: visible;
  will-change: transform;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,196,90,0.5), transparent);
  z-index: 1;
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(240,196,90,0.2);
  box-shadow: 0 20px 60px rgba(240,196,90,0.08), 0 0 0 1px rgba(240,196,90,0.12);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  opacity: 1;
  visibility: visible;
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(240, 196, 90, 0.1);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   9. Mobile-First Skills Section
   -------------------------------------------------------------------------- */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.skill-category-title {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent-gold);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  opacity: 1;
  visibility: visible;
}

.skill-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-amount);
  border: 1px solid var(--border-subtle);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  opacity: 1;
  visibility: visible;
}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

.skill-name {
  font-weight: 600;
  font-size: 0.925rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-percent {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--accent-blue);
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   10. Mobile-First Education Timeline
   -------------------------------------------------------------------------- */
.timeline {
  position: relative;
  width: 100%;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-gold), var(--accent-blue));
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-marker {
  position: absolute;
  left: -1.9rem;
  top: 0.25rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--accent-gold);
}

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: var(--blur-amount);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-gold);
  margin-bottom: 0.4rem;
}

.timeline-degree {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.timeline-institution {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   11. Mobile-First Projects Grid
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  opacity: 1;
  visibility: visible;
  min-height: 250px;
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-amount);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 1;
  visibility: visible;
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,10,19,0.85) 0%, rgba(6,10,19,0.2) 40%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img {
  transform: scale(1.08);
}

.project-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.project-title {
  font-size: 1.2rem;
  margin-bottom: 0.65rem;
}

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

.project-links {
  display: flex;
  gap: 0.75rem;
}

.project-links .btn {
  flex: 1;
}

/* --------------------------------------------------------------------------
   12. Mobile-First Services Grid
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  opacity: 1;
  visibility: visible;
  min-height: 250px;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-amount);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 1;
  visibility: visible;
}

.service-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(240, 196, 90, 0.1);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 0 20px var(--accent-gold-glow);
}

.service-title {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.service-features {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-feature-item {
  font-size: 0.825rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.service-feature-item .check {
  color: var(--accent-gold);
  font-weight: bold;
}

/* --------------------------------------------------------------------------
   13. Mobile-First Contact & Form
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  flex-shrink: 0;
}

.contact-details label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.contact-details span,
.contact-details a {
  font-weight: 600;
  font-size: 0.95rem;
  word-break: break-all;
}

.contact-form-container {
  background: var(--bg-card);
  backdrop-filter: var(--blur-amount);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  min-height: 48px;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent-gold);
}

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

.form-status {
  margin-top: 1rem;
  font-size: 0.875rem;
  display: none;
}

.form-status.success {
  display: block;
  color: #4ade80;
}

.form-status.error {
  display: block;
  color: #f87171;
}

.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  height: 200px;
}

/* --------------------------------------------------------------------------
   14. Mobile-First Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
  background: var(--bg-dark-secondary);
  position: relative;
  z-index: 1;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}

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

.footer-cell {
  font-family: var(--font-mono);
  color: var(--accent-gold);
  font-size: 0.8rem;
}

/* ==========================================================================
   PROGRESSIVE ENHANCEMENT MEDIA QUERIES (min-width)
   ========================================================================== */

/* Phablet / Large Mobile (>= 480px) */
@media (min-width: 480px) {
  .avatar-ring {
    width: 260px;
    height: 260px;
  }
  
  .hero-cta {
    flex-direction: row;
    justify-content: center;
    width: auto;
  }
  
  .hero-cta .btn {
    width: auto;
  }
  
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet (>= 768px) */
@media (min-width: 768px) {
  .section-spacing {
    padding: 95px 0;
  }
  
  .nav-links,
  .header .btn-primary {
    display: inline-flex;
  }
  
  .hamburger {
    display: none;
  }
  
  .avatar-ring {
    width: 300px;
    height: 300px;
  }
  
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contact-form-container {
    padding: 2.25rem;
  }
  
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  
  .scroll-indicator {
    display: flex;
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    letter-spacing: 1px;
  }
  
  .scroll-indicator .mouse-icon {
    width: 22px;
    height: 36px;
    border: 2px solid var(--border-subtle);
    border-radius: 12px;
    position: relative;
  }
  
  .scroll-indicator .mouse-wheel {
    width: 4px;
    height: 7px;
    background-color: var(--accent-gold);
    border-radius: 2px;
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
  }

  @keyframes scrollWheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 12px); opacity: 0; }
  }
}

/* Desktop / Laptop (>= 1024px) */
@media (min-width: 1024px) {
  .section-spacing {
    padding: 120px 0;
  }
  
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    text-align: left;
  }
  
  .hero-content {
    align-items: flex-start;
  }
  
  .hero-avatar-wrapper {
    order: 0;
  }
  
  .avatar-ring {
    width: 330px;
    height: 330px;
  }
  
  .hero-stat-badge {
    bottom: 10px;
    left: -20px;
    transform: none;
  }

  .about-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Large Screens (>= 1440px) */
@media (min-width: 1440px) {
  .container {
    width: 85%;
  }
  
  .avatar-ring {
    width: 360px;
    height: 360px;
  }
}