/* ==========================================================================
   Muhil Vannan - Scrollytelling Portfolio Core Stylesheet
   Theme: Dark Glassmorphism, Neon Accents, Cyber Precision & Dynamic Micro-Interactions
   ========================================================================== */

:root {
  --bg-dark: #07090e;
  --bg-card: rgba(18, 24, 38, 0.65);
  --bg-card-hover: rgba(26, 35, 56, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.4);

  --accent-purple: #8b5cf6;
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-pink: #ec4899;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #06b6d4 100%);
  --gradient-text: linear-gradient(135deg, #ffffff 30%, #a5b4fc 70%, #38bdf8 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --shadow-glow: 0 0 50px -10px rgba(99, 102, 241, 0.25);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Scroll Progress Bar */
.scroll-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.05);
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  box-shadow: 0 0 12px var(--accent-cyan);
}

/* Ambient Background Grid & Glows */
.bg-decorations {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 40%, transparent 80%);
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

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

.glow-orb-2 {
  top: 40%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: var(--accent-purple);
  animation-delay: -6s;
}

.glow-orb-3 {
  bottom: 10%;
  left: 10%;
  width: 550px;
  height: 550px;
  background: var(--accent-cyan);
  animation-delay: -12s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.1); }
  100% { transform: translate(-30px, -40px) scale(0.95); }
}

/* Typography Utilities */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
}

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

.gradient-accent-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Layout Containers */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--accent-indigo);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  pointer-events: none;
}

.glass-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, 92%);
  z-index: 999;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  background: rgba(13, 18, 30, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-color: rgba(99, 102, 241, 0.3);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  padding-top: 160px;
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.3);
  font-size: 0.9rem;
  font-weight: 600;
  color: #c084fc;
  margin-bottom: 24px;
}

.hero-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 640px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  padding: 20px 16px;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-avatar-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-avatar-card {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  position: relative;
}

.hero-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 8px);
}

.floating-badge {
  position: absolute;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: rgba(13, 18, 30, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  animation: floatBadge 6s ease-in-out infinite alternate;
}

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

.floating-badge-2 {
  bottom: 10%;
  right: -20px;
  animation-delay: -3s;
}

@keyframes floatBadge {
  0% { transform: translateY(0); }
  100% { transform: translateY(-15px); }
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.badge-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

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

/* About Me Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-card-body {
  padding: 40px;
}

.about-story-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.highlight-box {
  background: rgba(99, 102, 241, 0.08);
  border-left: 4px solid var(--accent-indigo);
  padding: 20px;
  border-radius: var(--radius-sm);
  margin: 28px 0;
  font-size: 1.05rem;
  color: #fff;
  font-weight: 500;
}

.focus-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.focus-pill {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.focus-pill i {
  color: var(--accent-cyan);
}

.focus-pill:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-indigo);
  transform: translateY(-2px);
}

/* Timeline Section */
.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-50%);
}

.timeline-progress-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 3px;
  height: 0%;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  box-shadow: 0 0 15px var(--accent-indigo);
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
  display: flex;
  justify-content: flex-end;
  padding-left: 50%;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-left: 0;
  padding-right: 50%;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 24px;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--accent-indigo);
  box-shadow: 0 0 15px var(--accent-indigo);
  z-index: 2;
  transition: all var(--transition-fast);
}

.timeline-item.active .timeline-dot {
  background: var(--accent-cyan);
  border-color: #fff;
  box-shadow: 0 0 20px var(--accent-cyan);
}

.timeline-content {
  width: calc(100% - 40px);
  padding: 32px;
  margin-left: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 0;
  margin-right: 40px;
}

.timeline-period {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.timeline-role {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 600;
}

.timeline-bullets {
  list-style: none;
}

.timeline-bullets li {
  position: relative;
  padding-left: 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-indigo);
}

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

.skill-category-card {
  padding: 36px;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.category-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.category-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.skill-item-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 600;
}

.skill-name {
  color: var(--text-main);
}

.skill-percent {
  color: var(--accent-cyan);
}

.skill-progress-track {
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.skill-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Technical Expertise Architecture Flow */
.architecture-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  overflow-x: auto;
  padding: 40px 20px;
}

.arch-node {
  flex: 1;
  min-width: 140px;
  padding: 24px 16px;
  text-align: center;
  background: rgba(18, 24, 38, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  position: relative;
  transition: all var(--transition-normal);
}

.arch-node.active {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.3);
  transform: translateY(-8px);
}

.arch-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent-indigo);
}

.arch-node.active .arch-icon {
  background: var(--gradient-primary);
  color: #fff;
}

.arch-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
}

.arch-arrow {
  color: var(--text-dim);
  font-size: 1.2rem;
}

/* Featured Projects Showcase */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.project-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.project-tag {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.project-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.project-details {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.project-detail-item strong {
  color: #fff;
}

/* Leadership Impact */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.impact-card {
  padding: 32px 24px;
  text-align: center;
}

.impact-number {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.impact-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

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

.leadership-story-card {
  padding: 40px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.leadership-story-card h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

/* Floating Tech Cloud */
.tech-cloud-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.tech-chip {
  padding: 14px 28px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tech-chip:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.5);
  transform: translateY(-4px) scale(1.05);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  padding: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

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

.contact-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.contact-value:hover {
  color: var(--accent-cyan);
}

.social-links {
  display: flex;
  gap: 14px;
  margin-top: 36px;
}

.social-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-3px);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-indigo);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.25);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* Footer */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .skills-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .projects-grid, .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .timeline-line, .timeline-progress-line {
    left: 20px;
  }
  
  .timeline-item, .timeline-item:nth-child(even) {
    padding-left: 50px;
    padding-right: 0;
    justify-content: flex-start;
  }
  
  .timeline-dot {
    left: 20px;
  }
  
  .timeline-content, .timeline-item:nth-child(even) .timeline-content {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  
  .projects-grid, .impact-grid {
    grid-template-columns: 1fr;
  }
  
  .section-padding {
    padding: 80px 0;
  }
}