/* ============================================
   COSMIC PORTFOLIO - Blue Purple Space Theme
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors - Light Mode */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #8b5cf6;
  --accent: #a78bfa;
  
  /* Backgrounds */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-nav: rgba(255, 255, 255, 0.85);
  
  /* Text */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Borders & Shadows */
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  --gradient-hero: linear-gradient(135deg, #ede9fe 0%, #e0e7ff 50%, #ddd6fe 100%);
  --gradient-text: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
  
  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --container-max: 1200px;
  --section-padding: 5rem;
  --card-radius: 1rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16162a;
  --bg-nav: rgba(15, 15, 26, 0.9);
  
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border: #2d2d4a;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.4);
  
  --gradient-hero: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16162a 100%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* ---------- Stars Background (Dark Mode) ---------- */
.stars-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

[data-theme="dark"] .stars-container {
  opacity: 1;
}

.star {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: twinkle var(--duration, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

.star.small {
  width: 1px;
  height: 1px;
  opacity: 0.6;
}

.star.medium {
  width: 2px;
  height: 2px;
  opacity: 0.8;
}

.star.large {
  width: 3px;
  height: 3px;
  opacity: 1;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
}

@keyframes twinkle {
  0%, 100% { opacity: var(--base-opacity, 0.6); transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* Shooting Star */
.shooting-star {
  position: absolute;
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,0.8), transparent);
  border-radius: 50%;
  animation: shoot 8s ease-in-out infinite;
  opacity: 0;
}

@keyframes shoot {
  0% { transform: translateX(0) translateY(0); opacity: 0; }
  5% { opacity: 1; }
  15% { transform: translateX(300px) translateY(150px); opacity: 0; }
  100% { opacity: 0; }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--primary-dark);
}

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

/* ---------- Container & Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: var(--section-padding) 0;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-normal);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(180deg);
}

.theme-toggle:hover svg {
  stroke: white;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-primary);
  transition: stroke var(--transition-fast);
}

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

[data-theme="light"] .icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.25rem;
  gap: 0.25rem;
}

.lang-btn {
  padding: 0.4rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--gradient-primary);
  color: white;
}

/* Hide elements based on language */
[data-lang="id"] [data-en] { display: none !important; }
[data-lang="en"] [data-id] { display: none !important; }

/* For block elements with class */
[data-lang="id"] .lang-en { display: none !important; }
[data-lang="en"] .lang-id { display: none !important; }

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.3;
  border-radius: 50%;
  animation: float 15s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  opacity: 0.2;
  border-radius: 50%;
  animation: float 12s ease-in-out infinite reverse;
}

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

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-greeting::before {
  content: '👋';
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(20deg); }
  75% { transform: rotate(-10deg); }
}

.hero-title {
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.typing-cursor {
  display: inline-block;
  color: var(--primary);
  font-weight: 400;
  animation: blink 0.8s ease-in-out infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.125rem;
  max-width: 500px;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-social {
  display: flex;
  gap: 1rem;
}

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

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-3px);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.profile-wrapper {
  position: relative;
}

.profile-wrapper::before {
  content: '';
  position: absolute;
  inset: -10px;
  background: var(--gradient-primary);
  border-radius: 50%;
  z-index: -1;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.profile-image {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--bg-card);
  box-shadow: var(--shadow-lg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-description {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-muted);
}

/* ---------- About Preview Section ---------- */
.about-preview {
  background: var(--bg-primary);
}

.about-preview .container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-lg);
}

.about-image::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 3px solid var(--primary);
  border-radius: var(--card-radius);
  z-index: -1;
}

.about-content h2 {
  margin-bottom: 1.5rem;
}

.about-content p {
  margin-bottom: 1rem;
}

.about-content .btn {
  margin-top: 1rem;
}

/* ---------- Tech Stack Section ---------- */
.tech-stack {
  background: var(--bg-secondary);
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.tech-category {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--card-radius);
  border: 1px solid var(--border);
  transition: all var(--transition-normal);
}

.tech-category:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.tech-category h3 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-item:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.tech-item img {
  width: 20px;
  height: 20px;
}

/* ---------- Featured Projects Section ---------- */
.featured-projects {
  background: var(--bg-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition-normal);
  max-width: 450px;
  justify-self: center;
  width: 100%;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}

.project-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

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

.project-links a {
  padding: 0.5rem 1rem;
  background: white;
  color: #6366f1;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.project-links a:hover {
  background: var(--primary);
  color: white;
}

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-description {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.view-all-projects {
  text-align: center;
}

/* ---------- Contact CTA Section ---------- */
.contact-cta {
  background: var(--gradient-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.contact-cta .container {
  position: relative;
  z-index: 1;
}

.contact-cta h2,
.contact-cta p {
  color: white;
}

.contact-cta p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.contact-cta .btn-secondary {
  background: white;
  color: var(--primary);
  border: none;
}

.contact-cta .btn-secondary:hover {
  background: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-secondary);
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-nav h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Footer Simple (Social Media Only) */
.footer-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  text-align: center;
}

.footer-simple .logo {
  font-size: 1.75rem;
}

.footer-simple .footer-social {
  display: flex;
  gap: 1rem;
  margin: 0;
}

.footer-simple .footer-social .social-link {
  width: 44px;
  height: 44px;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

/* ---------- Page Header (for inner pages) ---------- */
.page-header {
  padding: 8rem 0 4rem;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb span {
  color: var(--text-muted);
}

/* ---------- Projects Page ---------- */
.projects-page {
  padding: var(--section-padding) 0;
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ---------- Project Detail Page ---------- */
.project-detail {
  padding: var(--section-padding) 0;
}

.project-detail-header {
  max-width: 800px;
  margin: 0 auto 3rem;
}

.project-detail-title {
  margin-bottom: 1rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.project-detail-links {
  display: flex;
  gap: 1rem;
}

.project-detail-content {
  max-width: 800px;
  margin: 0 auto;
}

.project-detail-content h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.project-detail-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.project-detail-content li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.project-gallery img {
  width: 100%;
  border-radius: 0.5rem;
  /* cursor: pointer; */
  transition: transform var(--transition-fast);
}

/* .project-gallery img:hover {
  transform: scale(1.02);
} */

.project-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.project-nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* ---------- About Page ---------- */
.about-page {
  padding: var(--section-padding) 0;
}

.about-intro {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.about-photo {
  width: 100%;
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
}

.about-bio h2 {
  margin-bottom: 1.5rem;
}

/* ---------- Skills with Level Dots ---------- */
.skills-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.skills-legend span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.skill-category {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1);
}

.skill-category h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  transition: all 0.3s ease;
}

.skill-tag:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.skill-dots {
  display: inline-flex;
  letter-spacing: 1px;
  font-size: 0.7rem;
}

.dot-filled {
  color: var(--primary);
}

.dot-empty {
  color: var(--text-muted);
  opacity: 0.4;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 3rem auto;
}

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

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

.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-primary);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.timeline-subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.timeline-description {
  font-size: 0.9375rem;
}

/* Certificates Grid */
.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.certificate-card {
  background: var(--bg-card);
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition-normal);
}

.certificate-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.certificate-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.certificate-card-content {
  padding: 1rem;
}

.certificate-card h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.certificate-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.certificate-card a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* ---------- CV Page ---------- */
.cv-page {
  padding: var(--section-padding) 0;
}

.cv-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--card-radius);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.cv-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--border);
}

.cv-name {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.cv-title {
  color: var(--primary);
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.cv-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.cv-contact span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.cv-section {
  margin-bottom: 2rem;
  padding: 10px;
}

.cv-section-title {
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.cv-item {
  margin-bottom: 1.5rem;
}

.cv-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.cv-item-title {
  font-size: 1rem;
  font-weight: 600;
}

.cv-item-date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.cv-item-subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.cv-item-description {
  font-size: 0.9375rem;
}

.cv-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cv-skill {
  padding: 0.25rem 0.75rem;
  background: var(--bg-secondary);
  border-radius: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ---------- Contact Page ---------- */
.contact-page {
  padding: var(--section-padding) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-info h2 {
  margin-bottom: 1rem;
}

.contact-info > p {
  margin-bottom: 2rem;
}

.contact-methods {
  margin-bottom: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 50%;
  color: var(--primary);
}

.contact-method-text h4 {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.contact-method-text p,
.contact-method-text a {
  font-size: 1rem;
  color: var(--text-primary);
  margin: 0;
}

.contact-form-wrapper {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--card-radius);
  border: 1px solid var(--border);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.form-group label {
  font-weight: 500;
  font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    order: 2;
  }
  
  .hero-image {
    order: 1;
  }
  
  .hero-cta,
  .hero-social {
    justify-content: center;
  }
  
  .profile-image {
    width: 280px;
    height: 280px;
  }
  
  .about-preview .container {
    grid-template-columns: 1fr;
  }
  
  .about-intro {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .about-photo {
    max-width: 300px;
    margin: 0 auto;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--border);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .cv-container {
    padding: 1.5rem;
  }
  
  .cv-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }
  
  .profile-image {
    width: 220px;
    height: 220px;
  }
  
  .project-navigation {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
}