/* ==========================================================================
   ARIF HASNAT - MODERN PORTFOLIO DESIGN SYSTEM
   Supports: Dark & Light Dual-Theme, Glassmorphism, Responsive Grid
   ========================================================================== */

:root {
  /* Default: Dark Theme */
  --bg-base: #0a0d14;
  --bg-surface: #111726;
  --bg-card: rgba(20, 27, 45, 0.7);
  --bg-card-hover: rgba(28, 38, 64, 0.85);
  --bg-glass: rgba(17, 23, 38, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.3);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #6366f1;       /* Indigo */
  --primary-light: #818cf8;
  --secondary: #06b6d4;     /* Cyan */
  --accent-game: #ec4899;   /* Hot Pink for DevsBrain Games */
  --accent-studio: #3b82f6; /* Blue for DevsBrain Studio */
  
  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-game: linear-gradient(135deg, #f43f5e 0%, #ec4899 50%, #8b5cf6 100%);
  --gradient-studio: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #06b6d4 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
  --shadow-game-glow: 0 0 35px rgba(236, 72, 153, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-highlight: rgba(99, 102, 241, 0.25);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 32px -8px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);
  --shadow-game-glow: 0 0 30px rgba(236, 72, 153, 0.15);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.6) 100%);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Background Ambient Orbs */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb-1 {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, rgba(99, 102, 241, 0) 70%);
  filter: blur(80px);
  border-radius: 50%;
}

.orb-2 {
  position: absolute;
  top: 40%;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(6, 182, 212, 0) 70%);
  filter: blur(90px);
  border-radius: 50%;
}

.orb-3 {
  position: absolute;
  bottom: 5%;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.12) 0%, rgba(236, 72, 153, 0) 70%);
  filter: blur(90px);
  border-radius: 50%;
}

/* Layout container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

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

.gradient-game-text {
  background: var(--gradient-game);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  color: var(--text-main);
}

.badge-pulse::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
}

.brand-text span {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: var(--transition);
  border-radius: 2px;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Theme Toggle Button */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--border-subtle);
  transform: rotate(15deg);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.icon-sun { display: none; }
.icon-moon { display: block; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

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

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Mobile Hamburger Menu */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle svg {
  width: 28px;
  height: 28px;
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

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

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

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 20px;
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Hero Visual / Avatar Showcase */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-wrapper {
  position: relative;
  width: 380px;
  height: 380px;
  border-radius: 36px;
  background: var(--gradient-card);
  border: 1px solid var(--border-highlight);
  box-shadow: var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.avatar-graphic {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
}

.avatar-symbol {
  width: 120px;
  height: 120px;
  border-radius: 30px;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
  margin-bottom: 20px;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating-badge {
  position: absolute;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  animation: float 5s ease-in-out infinite alternate;
}

.badge-pos-1 {
  top: 10px;
  left: -20px;
}

.badge-pos-2 {
  bottom: 20px;
  right: -20px;
  animation-delay: -2.5s;
}

.floating-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.fb-studio { background: var(--gradient-studio); }
.fb-game { background: var(--gradient-game); }

.floating-badge-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-main);
}

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

/* Sections Common */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.section-tag {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Ventures Spotlight Section */
.ventures-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.venture-card {
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.venture-card.studio-card:hover {
  box-shadow: var(--shadow-glow);
}

.venture-card.games-card:hover {
  box-shadow: var(--shadow-game-glow);
}

.venture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
}

.venture-card.studio-card::before {
  background: var(--gradient-studio);
}

.venture-card.games-card::before {
  background: var(--gradient-game);
}

.venture-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.venture-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.venture-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.venture-icon.studio { background: var(--gradient-studio); box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35); }
.venture-icon.games { background: var(--gradient-game); box-shadow: 0 6px 20px rgba(236, 72, 153, 0.35); }

.venture-logo h3 {
  font-size: 1.5rem;
  font-weight: 800;
}

.venture-role {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.venture-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.venture-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.venture-highlights li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  font-size: 0.95rem;
}

.venture-highlights li svg {
  color: #10b981;
  min-width: 18px;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient-brand);
  color: #fff;
  transform: scale(1.08);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

[data-theme="light"] .tech-tag {
  background: rgba(15, 23, 42, 0.04);
}

/* Projects & Portfolio Section */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-highlight);
}

.filter-btn.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

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

.project-card.hide {
  display: none;
}

.project-thumb {
  height: 200px;
  background: #141b2d;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-thumb-bg {
  transform: scale(1.05);
}

.thumb-visual {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: #fff;
}

.thumb-mobile-app {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
}

.thumb-mobile-game {
  background: linear-gradient(135deg, #4c0519 0%, #831843 100%);
}

.thumb-web-app {
  background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 100%);
}

.project-type-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.project-info h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.project-info p {
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 18px;
  color: var(--text-muted);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.project-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.project-link-btn:hover {
  color: var(--primary);
}

/* Experience & Education Timeline Section */
.timeline-section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.timeline-column h3.col-title {
  font-size: 1.5rem;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.timeline-column h3.col-title svg {
  color: var(--primary);
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: var(--border-subtle);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 3px solid var(--primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  transition: var(--transition);
}

.timeline-content:hover {
  transform: translateX(4px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.timeline-content h4 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.timeline-org {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.skill-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: left;
  transition: var(--transition);
}

.skill-box:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-sm);
}

.skill-box h4 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-box h4 svg {
  color: var(--primary);
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skill-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
}

.skill-meter {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}

[data-theme="light"] .skill-meter {
  background: rgba(15, 23, 42, 0.08);
}

.skill-level {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 4px;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateX(6px);
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-card:hover .contact-icon {
  background: var(--gradient-brand);
  color: #fff;
}

.contact-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
}

.contact-meta strong {
  font-size: 1.05rem;
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
  background: var(--bg-surface);
  margin-top: 60px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.footer-brand h2 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.footer-brand p {
  font-size: 0.9rem;
}

.footer-socials {
  display: flex;
  gap: 14px;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline-section-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .nav-links.open {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-stats {
    width: 100%;
  }
  
  .avatar-wrapper {
    width: 300px;
    height: 300px;
  }
  
  .floating-badge {
    position: static;
    margin: 10px;
  }
  
  .hero-visual {
    flex-direction: column;
  }
  
  .ventures-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    flex-direction: column;
    text-align: center;
  }
}