@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* CSS Variables & Design Tokens */
:root {
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'JetBrains+Mono', 'Fira Code', monospace;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-primary: #000000;
  --color-primary-hover: #1e293b;
  --color-border: #e2e8f0;
  --color-card-bg: #ffffff;
  --color-glow: rgba(0, 0, 0, 0.03);
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-lg: 1.5rem;
  --radius-md: 0.75rem;
  --radius-full: 9999px;
  --spacing-container: 10%;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Gradients and Glowing Orbs */
.bg-glow-container {
  position: fixed;
  top: 0;
  right: 0;
  width: 70vw;
  height: 70vh;
  z-index: -10;
  pointer-events: none;
  background: radial-gradient(circle at top right, rgba(239, 246, 255, 0.8) 0%, rgba(254, 243, 199, 0.3) 50%, rgba(255, 255, 255, 0) 100%);
  filter: blur(80px);
  transform: translateY(-20%);
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem var(--spacing-container);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.4);
}

.logo-text {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.05em;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.8);
  padding: 0.75rem 2.5rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 0 1px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.nav-link {
  position: relative;
  display: inline-block;
  height: 24px;
  overflow: hidden;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.nav-link span {
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 100%;
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.nav-link:hover span {
  transform: translateY(-100%);
}

.nav-link:hover::after {
  transform: translateY(-100%);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.75rem;
  border: 1px solid var(--color-text-muted);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.nav-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.nav-btn img, .nav-btn svg {
  transition: transform 0.3s ease;
}

.nav-btn:hover img, .nav-btn:hover svg {
  transform: translateY(3px);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

/* Mobile Sidebar Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: var(--color-bg);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 6rem 2rem 2rem 2rem;
  gap: 1.5rem;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-drawer.active {
  right: 0;
}

.mobile-drawer a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.mobile-drawer a:hover {
  color: var(--color-text-muted);
  padding-left: 0.5rem;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Hero Section */
.hero {
  min-h: 100vh;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 var(--spacing-container);
  gap: 1.5rem;
}

.hero-avatar-container {
  position: relative;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 1px solid var(--color-primary);
  padding: 4px;
  margin-bottom: 1rem;
  animation: float 6s ease-in-out infinite;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 500;
}

.verify-badge {
  width: 24px;
  height: 24px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  max-width: 800px;
  letter-spacing: -0.04em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-primary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.25rem;
  background: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.25rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}

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

/* About Section */
.about {
  background-color: var(--color-bg-alt);
  padding: 8rem var(--spacing-container);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
}

.about-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-col h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: #94a3b8; /* Slate-400 */
  letter-spacing: -0.02em;
}

.about-col p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.about-col .bold-italic {
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
}

.about-col a.email-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: var(--transition-smooth);
}

.about-col a.email-link:hover {
  opacity: 0.7;
}

/* Abilities Section */
.abilities {
  padding: 8rem var(--spacing-container);
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 4rem;
  letter-spacing: -0.03em;
}

.abilities-grid {
  display: flex;
  gap: 5rem;
  align-items: center;
}

.abilities-left {
  flex: 0 0 350px;
}

.abilities-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
  object-fit: cover;
}

.abilities-right {
  flex: 1;
}

.abilities-intro {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.ability-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.ability-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  background: var(--color-card-bg);
}

.ability-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.05);
}

.ability-card img, .ability-card svg {
  width: 32px;
  height: 32px;
  margin-bottom: 1.5rem;
}

.ability-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.ability-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.tools-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.tools-list {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.tool-item {
  width: 48px;
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-card-bg);
  transition: var(--transition-smooth);
}

.tool-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.tool-item svg, .tool-item img {
  width: 24px;
  height: 24px;
}

/* Works Section (Horizontal Scroll Setup) */
.works {
  padding: 6rem 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.works-intro {
  padding: 0 var(--spacing-container);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem auto;
}

.works-intro p {
  color: var(--color-text-muted);
  margin-top: 1rem;
  font-size: 1.1rem;
}

/* Sticky horizontal container */
.scroll-container-outer {
  position: relative;
  height: 250vh; /* scroll depth for speed */
}

.sticky-wrapper {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.horizontal-track {
  display: flex;
  gap: 2rem;
  padding-left: var(--spacing-container);
  padding-right: var(--spacing-container);
  will-change: transform;
  transition: transform 0.1s cubic-bezier(0.25, 1, 0.5, 1); /* smooth scrolling lag */
}

/* Project Card */
.project-card {
  flex: 0 0 380px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.project-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
}

.project-header {
  padding: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--color-bg-alt);
}

.project-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-primary);
}

.project-category {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 0.25rem;
  letter-spacing: 0.05em;
}

.project-code-link {
  color: var(--color-text-muted);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.project-body {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tech-stat-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tech-stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tech-stat-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-text-muted);
}

.tech-bar-bg {
  height: 6px;
  width: 100%;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.tech-bar-fill {
  height: 100%;
  background: #cbd5e1;
  border-radius: var(--radius-full);
  transition: background-color 0.4s ease;
}

.project-card:hover .tech-bar-fill {
  background: var(--color-primary);
}

.project-desc-box {
  background: var(--color-bg-alt);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(226, 232, 240, 0.5);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.project-desc-dots {
  display: flex;
  gap: 4px;
  margin-bottom: 0.75rem;
}

.project-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}

.project-dot:nth-child(2) { background: #94a3b8; }
.project-dot:nth-child(3) { background: #64748b; }

.project-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--color-bg-alt);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.trending-icon {
  color: #cbd5e1;
  font-size: 1.25rem;
}

/* Contact Section */
.contact {
  padding: 8rem var(--spacing-container);
}

.contact-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.contact-intro p {
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.contact-form {
  max-width: 650px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  background: var(--color-bg);
  transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  border-color: #3b82f6; /* Focus borders */
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  background: rgba(0, 0, 0, 0.85);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  align-self: center;
}

.contact-submit:hover {
  background: #000000;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px rgba(0, 0, 0, 0.35);
}

/* GitHub Contribution Chart */
.github-section {
  padding: 4rem var(--spacing-container);
  text-align: center;
}

.github-chart-container {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
  background: #ffffff;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.github-chart {
  max-width: 100%;
  height: auto;
}

/* Footer Section */
.footer {
  margin-top: 6rem;
  border-top: 1px solid var(--color-border);
  padding: 4rem var(--spacing-container) 2rem var(--spacing-container);
}

.footer-top {
  text-align: center;
  margin-bottom: 3rem;
}

.footer-logo {
  width: 150px;
  height: auto;
  margin-bottom: 1.5rem;
}

.footer-email {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 1.05rem;
}

.footer-email svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.social-link a {
  color: var(--color-text);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
}

.social-link a:hover {
  color: var(--color-text-muted);
  transform: translateY(-2px);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

.social-link-instagram svg {
  color: #ec4899;
}

.social-link-twitter svg {
  color: #3b82f6;
  animation: pulse 1.5s infinite;
}

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

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.75; }
  100% { transform: scale(1); opacity: 1; }
}

/* Scroll Fade in utilities */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  :root {
    --spacing-container: 6%;
  }
  .about-grid {
    gap: 2rem;
  }
  .abilities-grid {
    flex-direction: column;
    gap: 3rem;
  }
  .abilities-left {
    flex: 0 0 auto;
    width: 280px;
  }
  .ability-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  nav .nav-links, nav .nav-btn {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .ability-cards {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}