/* CSS Custom Properties for Theming */
:root {
  --bg-dark: #09090b;
  --bg-surface: rgba(24, 24, 27, 0.7);
  --border-color: rgba(63, 63, 70, 0.5);
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  
  --accent-color: #6366f1; /* Indigo */
  --accent-glow: rgba(99, 102, 241, 0.2);
  --accent-secondary: #8b5cf6; /* Violet */

  --font-main: 'Outfit', sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Background Blobs (Premium Vibe) */
.blob-c {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.5;
  animation: float 20s infinite alternate;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-glow);
  top: -100px;
  left: -100px;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: rgba(139, 92, 246, 0.15);
  bottom: -200px;
  right: -100px;
  animation-delay: -5s;
}

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

/* Navigation (Glassmorphism) */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(9, 9, 11, 0.4);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-smooth);
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a:not(.btn-primary) {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-links a:not(.btn-primary):hover {
  color: var(--text-primary);
}

/* Buttons */
.btn-primary {
  background: var(--accent-color);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background: transparent;
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 0 transparent;
  transform: translateY(-2px);
}

.btn-secondary {
  color: var(--text-primary);
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-weight: 600;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255,255,255,0.1);
}

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

.btn-primary.big {
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
}

/* Sections */
section {
  padding: 6rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-heading {
  margin-bottom: 4rem;
  text-align: center;
}

.section-heading h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff, #a1a1aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-heading p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  padding-top: 10vh;
}

.hero-content {
  flex: 1;
}

.tagline {
  color: var(--accent-color);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  background: linear-gradient(45deg, var(--accent-color), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

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

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

/* Animated Code Window */
.code-window {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  width: 100%;
  max-width: 450px;
}

.window-header {
  display: flex;
  gap: 8px;
  margin-bottom: 1.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

pre {
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
  color: #e2e8f0;
  overflow-x: auto;
}

.keyword { color: #ff79c6; }
.title { color: #50fa7b; }
.this { color: #8be9fd; }
.string { color: #f1fa8c; }
.function { color: #50fa7b; }

.floating {
  animation: float-component 6s ease-in-out infinite;
}

@keyframes float-component {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition-fast);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.06), transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 1;
}

.skill-card:hover::before { opacity: 1; }

.skill-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.skill-card i {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  display: inline-block;
  z-index: 2;
  position: relative;
}

.skill-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  z-index: 2;
  position: relative;
}

.skill-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  z-index: 2;
  position: relative;
}

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

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-image {
  height: 200px;
  overflow: hidden;
}

.placeholder-img {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-smooth);
}

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

.bg-grad-1 { background: linear-gradient(45deg, #4f46e5, #ec4899); }
.bg-grad-2 { background: linear-gradient(45deg, #0ea5e9, #10b981); }
.bg-grad-3 { background: linear-gradient(45deg, #f59e0b, #ef4444); }

.card-content {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tags span {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255,255,255,0.05);
  border-radius: 100px;
  color: var(--text-secondary);
  font-weight: 500;
}

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  flex: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.read-more:hover { color: var(--accent-color); }
.read-more i { transition: transform var(--transition-fast); }
.read-more:hover i { transform: translateX(5px); }


/* Contact */
.contact-container {
  background: linear-gradient(to bottom, var(--bg-surface), transparent);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 5rem 2rem;
  text-align: center;
}

.contact-container h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.contact-container p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.social-links {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-links a {
  font-size: 1.8rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  color: var(--text-primary);
  transform: translateY(-3px);
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
}

/* --- ANIMATION CLASSES (Intersection Observer handled in JS) --- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
  will-change: opacity, transform;
}

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

.reveal.slide-right {
  transform: translateX(40px);
}
.reveal.slide-right.active {
  transform: translateX(0);
}

.reveal.slide-up {
  transform: translateY(50px);
}
.reveal.slide-up.active {
  transform: translateY(0);
}

.reveal.scale-up {
  transform: scale(0.95);
}
.reveal.scale-up.active {
  transform: scale(1);
}

/* Stagger Children */
.skills-grid .stagger {
  opacity: 0;
  transform: translateY(20px);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 15vh;
  }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; } /* Simplified on mobile */
  .hero h1 { font-size: 3.5rem; }
  .contact-container h2 { font-size: 2rem; }
}

@media (max-width: 600px) {
  .nav-links { display: none; } /* Setup a hamburger if needed, kept minimal for now */
  .hero h1 { font-size: 2.5rem; }
  .section-heading h2 { font-size: 2rem; }
}