/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --accent-color: #06b6d4;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --gradient-secondary: linear-gradient(135deg, #f3f4f6 0%, #ffffff 100%);
  --navbar-bg: rgba(255, 255, 255, 0.8);
  --card-bg: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(37, 99, 235, 0.1);
  --hero-bg: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  --wave-color: var(--bg-secondary);
}

/* Dark Mode */
[data-theme="dark"] {
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --border-color: #475569;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --gradient-secondary: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  --navbar-bg: rgba(15, 23, 42, 0.85);
  --card-bg: #1e293b;
  --glass-bg: rgba(30, 41, 59, 0.6);
  --glass-border: rgba(71, 85, 105, 0.4);
  --hero-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #60a5fa;
  --accent-color: #0891b2;
  --wave-color: var(--bg-secondary);
}

/* ==================== PAGE LOADER ==================== */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-content {
  text-align: center;
}
.loader-logo {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
  animation: loaderPulse 1s ease-in-out infinite;
}
@keyframes loaderPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
  50% { transform: scale(1.08); box-shadow: 0 0 0 20px rgba(37, 99, 235, 0); }
}
.loader-bar {
  width: 200px;
  height: 4px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto 1rem;
}
.loader-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: 4px;
  animation: loaderFill 1s ease-in-out forwards;
}
@keyframes loaderFill {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}
.loader-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

/* ==================== CUSTOM CURSOR ==================== */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transition: transform 0.1s ease;
  transform: translate(-50%, -50%);
}
.cursor-ring {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99997;
  opacity: 0.5;
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
  transform: translate(-50%, -50%);
}
.cursor-ring.hover {
  width: 60px;
  height: 60px;
  opacity: 0.3;
  border-color: var(--accent-color);
}
@media (max-width: 768px) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* ==================== PARTICLE CANVAS ==================== */
#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ==================== GLASSMORPHISM ==================== */
.glass-card {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border) !important;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
}
[data-theme="dark"] .glass-card {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ==================== WAVE DIVIDERS ==================== */
.wave-divider {
  position: relative;
  z-index: 1;
  height: 80px;
  overflow: hidden;
  margin-top: -1px;
  margin-bottom: -1px;
}
.wave-divider svg {
  display: block;
  width: 100%;
  height: 100%;
}
.wave-divider svg path {
  fill: var(--bg-secondary);
}
.wave-flip {
  transform: scaleX(-1);
}
/* Alternate wave colors to match section transitions */
.about + .wave-divider svg path,
.projects + .wave-divider svg path,
.certificates + .wave-divider svg path {
  fill: var(--bg-primary);
}

/* ==================== GENERAL ==================== */
html {
  scroll-behavior: smooth;
  cursor: none;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: var(--transition);
  cursor: none;
}

a, button, .btn, .social-link, .project-link, .view-btn, .filter-btn, .hamburger, .theme-toggle, .back-to-top {
  cursor: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

img {
  -webkit-user-drag: none;
  user-drag: none;
}

/* ==================== READING PROGRESS ==================== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.1);
}
[data-theme="dark"] .reading-progress {
  background: rgba(255, 255, 255, 0.1);
}
.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  transition: none;
}

/* Page Transition Overlay */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

/* ==================== NAVIGATION ==================== */
.navbar {
  position: fixed;
  top: 4px;
  width: 100%;
  background: var(--navbar-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: var(--transition);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
}
.logo-text {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-primary);
  transition: var(--transition);
}
.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}
.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}
.theme-toggle:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.05);
}
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}
.bar {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition);
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: transparent;
  overflow: hidden;
  padding-top: 5.5rem;
  z-index: 1;
  --mouse-x: 50%;
  --mouse-y: 50%;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x) var(--mouse-y),
    rgba(37, 99, 235, 0.18),
    rgba(6, 182, 212, 0.10) 35%,
    transparent 65%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
  mix-blend-mode: screen;
}
[data-theme="light"] .hero::before {
  background: radial-gradient(
    600px circle at var(--mouse-x) var(--mouse-y),
    rgba(37, 99, 235, 0.10),
    rgba(6, 182, 212, 0.05) 35%,
    transparent 65%
  );
  mix-blend-mode: multiply;
}
.hero:hover::before { opacity: 1; }
.hero-container { position: relative; z-index: 2; }
@media (hover: none), (prefers-reduced-motion: reduce) {
  .hero::before { display: none; }
}
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 4rem;
  align-items: center;
  min-height: 80vh;
}
/* Hero Status Badge */
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.15rem 0.5rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}
.status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* Scroll Down Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}
.scroll-indicator:hover { opacity: 1; }
.scroll-arrow {
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.hero-text {
  max-width: 600px;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  min-height: 2em;
  font-family: var(--font-mono);
}
.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-lg);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.9375rem;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-medium);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}
.btn-outline:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.3);
}

/* Social Links */
.social-links {
  display: flex;
  gap: 1rem;
}
.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--glass-border);
}
.social-link:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
  border-color: transparent;
}

/* Hero Image */
.hero-image { position: relative; display: flex; justify-content: center; align-items: center; }
.image-container {
  position: relative;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--gradient-primary);
  padding: 8px;
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}
.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: var(--transition);
}
.image-container:hover img {
  transform: scale(1.05);
}
.image-overlay {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: linear-gradient(45deg, rgba(37, 99, 235, 0.1), rgba(6, 182, 212, 0.1));
  opacity: 0;
  transition: var(--transition);
}
.image-container:hover .image-overlay { opacity: 1; }

/* Background Elements */
.hero-bg-elements {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}
.bg-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(45deg, rgba(37, 99, 235, 0.05), rgba(6, 182, 212, 0.05));
  animation: float 6s ease-in-out infinite;
}
[data-theme="dark"] .bg-element {
  background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), rgba(8, 145, 178, 0.1));
}
.bg-element-1 { width: 300px; height: 300px; top: 10%; right: -5%; }
.bg-element-2 { width: 200px; height: 200px; bottom: 15%; left: -5%; animation-delay: 2s; }
.bg-element-3 { width: 150px; height: 150px; top: 60%; right: 20%; animation-delay: 4s; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(5deg); }
  50% { transform: translateY(0) rotate(10deg); }
  75% { transform: translateY(-10px) rotate(5deg); }
}

/* ==================== SECTIONS ==================== */
section {
  padding: 6rem 0;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  letter-spacing: -0.02em;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}
.section-subtitle {
  color: var(--text-light);
  font-size: 1.05rem;
  margin-top: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* Section title reveal animation */
.reveal-text {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-text.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Generic scroll fade-in for cards, paragraphs, etc. */
.scroll-fade {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}
.scroll-fade.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Alternating directional slide for education timeline */
@media (prefers-reduced-motion: no-preference) {
  .timeline-item.scroll-fade:nth-child(odd)  { transform: translateX(-40px); }
  .timeline-item.scroll-fade:nth-child(even) { transform: translateX(40px); }
  .timeline-item.scroll-fade.revealed { transform: translateX(0); }
}

/* Respect reduced motion: simple fade only */
@media (prefers-reduced-motion: reduce) {
  .scroll-fade,
  .reveal-text {
    transform: none !important;
    transition: opacity 0.4s ease;
  }
}

/* ==================== ABOUT ==================== */
.about {
  background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
}
.about-text p {
  font-size: 1.125rem;
  line-height: 1.9;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  text-align: center;
}
.about-text p:first-child::first-letter {
  font-size: 1.6em;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

/* About text enhanced */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

/* About Stats */
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 3rem 0;
}
.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: var(--border-radius-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(37, 99, 235, 0.2);
}
.stat-card:hover::before {
  opacity: 0.06;
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}
.stat-number::after {
  content: '+';
}
.stat-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  position: relative;
  z-index: 1;
}

/* ==================== EDUCATION ==================== */
.education {
  background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
}
.education-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.education-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}
.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: 50%;
}
.timeline-item:nth-child(odd) { left: 0; padding-right: 2rem; }
.timeline-item:nth-child(even) { left: 50%; padding-left: 2rem; }
.timeline-marker {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--bg-primary);
  border-radius: 50%;
  top: 0;
  box-shadow: var(--shadow-medium);
}
.timeline-item:nth-child(odd) .timeline-marker { right: -10px; }
.timeline-item:nth-child(even) .timeline-marker { left: -10px; }
.timeline-content {
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.12);
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.timeline-header h3 {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-bottom: 0;
}
.timeline-period {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-mono);
}
.timeline-content h4 { color: var(--text-primary); margin-bottom: 0.5rem; }
.timeline-content p { color: var(--text-secondary); }
.grade {
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  display: inline-block;
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

/* ==================== PROJECTS ==================== */
.projects {
  background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
}

/* Filter Tabs */
.project-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 0.6rem 1.5rem;
  border: 2px solid var(--border-color);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  border-radius: 30px;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-primary);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}
.project-card {
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.project-card:hover {
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.18);
}
.project-card:hover::before { transform: scaleX(1); }

/* Project card hide/show for filtering */
.project-card.filter-hidden {
  display: none;
}

.project-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}
.project-card:hover .project-icon { transform: scale(1.1) rotate(-5deg); }
.project-content h3 { color: var(--text-primary); font-size: 1.25rem; margin-bottom: 1rem; }
.project-content p { margin-bottom: 1.5rem; line-height: 1.7; color: var(--text-secondary); }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tech-tag {
  background: var(--bg-tertiary);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.tech-tag:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}
.project-overlay {
  position: absolute;
  top: 0;
  right: 0;
  padding: 1rem;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-links { display: flex; gap: 0.5rem; }
.project-link {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}
.project-link:hover {
  background: var(--primary-dark);
  transform: scale(1.15);
}

/* ==================== SKILLS ==================== */
.skills {
  background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
}
.skills-content { display: grid; gap: 3.5rem; }
.skills-category h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.75rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}
.skills-category h3::before,
.skills-category h3::after {
  content: '';
  height: 1px;
  width: 60px;
  background: var(--border-color);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
}

/* Skill Item - Clean Icon Card */
.skill-item {
  padding: 1.75rem 1rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.skill-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.skill-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.25);
}
.skill-item:hover::before {
  opacity: 0.08;
}
.skill-icon-wrap {
  width: 70px;
  height: 70px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--bg-tertiary);
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
}
.skill-icon-wrap i {
  font-size: 2rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all 0.4s ease;
}
.skill-item:hover .skill-icon-wrap {
  background: var(--gradient-primary);
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.35);
}
.skill-item:hover .skill-icon-wrap i {
  background: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.skill-item span {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

/* ==================== WORK EXPERIENCE ==================== */
.experience {
  background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
}
.experience-content {
  max-width: 800px;
  margin: 0 auto;
}
.experience-card {
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.experience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}
.experience-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}
.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.experience-company {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.company-icon {
  width: 52px;
  height: 52px;
  background: var(--gradient-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.experience-company h3 {
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}
.experience-role {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-mono);
}
.experience-period {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: var(--font-mono);
  white-space: nowrap;
}
.experience-desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.experience-highlights {
  list-style: none;
  padding: 0;
  margin-bottom: 1.25rem;
}
.experience-highlights li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}
.experience-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--gradient-primary);
  border-radius: 50%;
}
.experience-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.experience-company-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.experience-company-header h3 {
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}
.experience-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}
.experience-roles {
  position: relative;
  padding-left: 1.75rem;
  margin: 0 0 1.5rem 0.75rem;
}
.experience-roles::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--gradient-primary);
  opacity: 0.5;
}
.role-item {
  position: relative;
  margin-bottom: 1.25rem;
}
.role-item:last-child {
  margin-bottom: 0;
}
.role-marker {
  position: absolute;
  left: -1.75rem;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gradient-primary);
  box-shadow: 0 0 0 3px var(--bg-primary);
}
.role-title {
  font-size: 1.05rem;
  color: var(--primary-color);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 0.2rem;
}
.role-period {
  display: inline-block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* ==================== CERTIFICATES ==================== */
.certificates {
  background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
}
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.certificate-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.certificate-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.18);
}
.certificate-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.certificate-overlay {
  position: absolute;
  inset: 0;
  background: rgba(37, 99, 235, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.certificate-image:hover .certificate-overlay { opacity: 1; }
.certificate-image:hover img { transform: scale(1.1); }
.view-btn {
  background: white;
  color: var(--primary-color);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}
.view-btn:hover { transform: scale(1.05); }
.certificate-info { padding: 1.5rem; }
.certificate-info h3 { color: var(--text-primary); font-size: 1.125rem; margin-bottom: 0.5rem; }
.certificate-provider {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}
.certificate-desc { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 0; }

/* ==================== CONTACT ==================== */
.contact {
  background: color-mix(in srgb, var(--bg-primary) 88%, transparent);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.contact-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.18);
}
.contact-card:hover::after {
  transform: scaleX(1);
}
.contact-card-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: all 0.4s ease;
}
.contact-card-icon i {
  font-size: 1.25rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.contact-card:hover .contact-card-icon {
  background: var(--gradient-primary);
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}
.contact-card:hover .contact-card-icon i {
  background: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.contact-card h3 {
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.contact-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  margin-bottom: 1rem;
  word-break: break-all;
}
.contact-cta {
  color: var(--primary-color);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
  transition: gap 0.3s ease;
}
.contact-card:hover .contact-cta {
  gap: 0.7rem;
}
.contact-cta i {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}
.contact-card:hover .contact-cta i {
  transform: translateX(2px);
}
.contact-location {
  text-align: center;
  margin-top: 2rem;
  color: var(--text-light);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.contact-location i {
  color: var(--primary-color);
}

/* ==================== FOOTER ==================== */
.footer {
  position: relative;
  z-index: 1;
  background: color-mix(in srgb, var(--bg-tertiary) 90%, transparent);
  color: var(--text-primary);
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border-color);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.footer-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-primary);
}
.footer-nav {
  display: flex;
  gap: 1.5rem;
}
.footer-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.footer-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}
.footer-nav a:hover {
  color: var(--primary-color);
}
.footer-nav a:hover::after {
  width: 100%;
}
.footer-social { display: flex; gap: 0.75rem; }
.footer-social .social-link {
  width: 40px;
  height: 40px;
  font-size: 0.9rem;
  background: var(--glass-bg);
  color: var(--text-secondary);
  border-color: var(--glass-border);
}
.footer-social .social-link:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}
.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}
.footer-tagline {
  color: var(--text-light);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  margin-bottom: 0;
  margin-top: 0.15rem;
}

/* ==================== MODAL ==================== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.92);
  animation: fadeIn 0.3s ease;
}
.modal-content {
  display: block;
  margin: 5% auto;
  max-width: 90%;
  max-height: 80%;
  border-radius: var(--border-radius-lg);
  animation: zoomIn 0.3s ease;
}
.modal-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
}
.modal-close:hover { color: var(--primary-light); transform: scale(1.2); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes zoomIn { from { transform: scale(0.5); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* Resume Modal */
.resume-modal { display: none; flex-direction: column; padding: 2.5rem 3rem; }
.resume-modal.show { display: flex; }
.resume-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  color: white;
  flex-wrap: wrap;
  gap: 1rem;
}
.resume-modal-title {
  font-size: 1.15rem;
  font-weight: 600;
}
.resume-modal-actions { display: flex; align-items: center; gap: 0.75rem; }
.resume-modal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-primary);
  color: white;
  padding: 0.55rem 1.1rem;
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.resume-modal-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.35); }
.resume-modal-close {
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.resume-modal-close:hover { background: rgba(239, 68, 68, 0.85); transform: rotate(90deg); }
.resume-modal-iframe {
  flex: 1;
  width: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
  background: white;
  min-height: 0;
}
@media (max-width: 768px) {
  .resume-modal { padding: 1rem; }
  .resume-modal-title { font-size: 1rem; }
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
  box-shadow: var(--shadow-large);
  transition: var(--transition);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.5);
}

/* ==================== DARK MODE ENHANCEMENTS ==================== */
[data-theme="dark"] .hero-title {
  text-shadow: 0 0 40px rgba(59, 130, 246, 0.3);
}
[data-theme="dark"] .section-title {
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}
[data-theme="dark"] .tech-tag {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--primary-light);
}
[data-theme="dark"] .hero-status {
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.1);
}
[data-theme="dark"] .stat-card:hover {
  box-shadow: 0 12px 35px rgba(59, 130, 246, 0.15), 0 0 12px rgba(59, 130, 246, 0.06);
}
[data-theme="dark"] .skill-item:hover {
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2), 0 0 20px rgba(59, 130, 246, 0.08);
}
[data-theme="dark"] .experience-card:hover {
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.15), 0 0 15px rgba(59, 130, 246, 0.06);
}
[data-theme="dark"] .contact-card:hover {
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.15), 0 0 15px rgba(59, 130, 246, 0.06);
}
[data-theme="dark"] .certificate-card:hover {
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15), 0 0 15px rgba(59, 130, 246, 0.06);
}
[data-theme="dark"] .timeline-content:hover {
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.12), 0 0 12px rgba(59, 130, 246, 0.05);
}
[data-theme="dark"] .project-card:hover {
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.15), 0 0 20px rgba(59, 130, 246, 0.06);
}
@media (prefers-reduced-motion: no-preference) {
  [data-theme="dark"] .project-icon { box-shadow: 0 0 25px rgba(59, 130, 246, 0.3); }
  [data-theme="dark"] .social-link:hover { box-shadow: 0 0 25px rgba(59, 130, 246, 0.5); }
  [data-theme="dark"] .btn-primary:hover { box-shadow: 0 10px 40px rgba(59, 130, 246, 0.5); }
  [data-theme="dark"] .skill-icon-wrap { box-shadow: 0 0 15px rgba(59, 130, 246, 0.1); }
  [data-theme="dark"] .company-icon { box-shadow: 0 0 20px rgba(59, 130, 246, 0.25); }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 74px;
    flex-direction: column;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(16px);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-large);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
  }
  .nav-menu.active { left: 0; }
  .nav-item { margin: 1rem 0; }
  .hamburger.active .bar:nth-child(2) { opacity: 0; }
  .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .hero-content { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .hero-text { order: 2; }
  .hero-image { order: 1; }
  .image-container { width: 250px; height: 250px; margin: 0 auto; }
  .hero-buttons { justify-content: center; }
  .social-links { justify-content: center; }
  .timeline-item { width: 100%; left: 0 !important; padding-left: 3rem !important; padding-right: 0 !important; }
  .timeline-marker { left: -10px !important; }
  .education-timeline::before { left: 0; transform: none; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
  .certificates-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .scroll-indicator { display: none; }
  .hero-status { font-size: 0.78rem; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
  .footer-top { flex-direction: column; gap: 1.25rem; text-align: center; }
  .footer-nav { justify-content: center; }
  .wave-divider { height: 50px; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .nav-container { padding: 1rem; }
  section { padding: 4rem 0; }
  .section-title { font-size: 2rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .timeline-content { padding: 1.5rem; }
  .timeline-header { flex-direction: column; align-items: flex-start; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .stat-number { font-size: 2rem; }
  .modal-content { margin: 10% auto; max-width: 95%; }
  .modal-close { top: 10px; right: 20px; font-size: 30px; }
  .theme-toggle { width: 40px; height: 40px; }
  .experience-card { padding: 1.75rem; }
  .experience-header { flex-direction: column; }
  .footer-nav { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .wave-divider { height: 40px; }
}