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

:root {
  --bg-primary: #050505;
  --bg-secondary: #0d0d0d;
  --bg-tertiary: #161616;
  --bg-card: rgba(15, 15, 15, 0.7);
  
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #525252;
  --text-dim: #737373;
  
  --border-color: #262626;
  --border-hover: #404040;
  --border-active: #ffffff;
  
  --glass-bg: rgba(10, 10, 10, 0.75);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.scroll-lock {
  overflow: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Selection */
::selection {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  font-weight: 400;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Layout Utilities */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: 50px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  font-weight: 300;
  color: var(--text-dim);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--text-primary);
  transform: scaleX(0);
  transform-origin: bottom right;
  transition: transform 0.3s ease-out;
}

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

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: bottom left;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Glass Card */
.glass-card {
  background-color: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 30px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Buttons */
.btn-group {
  display: flex;
  gap: 16px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  background: radial-gradient(circle at 80% 20%, #171717 0%, var(--bg-primary) 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  opacity: 0;
  transform: translateY(20px);
  animation: slideIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tagline {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(2.2rem, 7vw, 3.8rem);
  line-height: 1.2;
  margin-bottom: 20px;
}

.typewriter-text {
  font-size: 0.85em;
  border-right: 2px solid var(--text-primary);
  white-space: nowrap;
  animation: blink 0.75s step-end infinite;
}

@keyframes blink {
  from, to { border-color: transparent }
  50% { border-color: var(--text-primary); }
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 10px;
}

.hero-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: scale(0.95);
  animation: fadeInSlow 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.3s;
}

@keyframes fadeInSlow {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.hero-image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  aspect-ratio: 3/4;
  width: 85%;
  max-width: 320px;
  background: var(--bg-secondary);
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 60%, rgba(5, 5, 5, 0.8) 100%);
  pointer-events: none;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  filter: grayscale(100%) contrast(1.1) brightness(0.95);
  transition: var(--transition-slow);
}

.hero-image-wrapper:hover .hero-img {
  filter: grayscale(0%) contrast(1) brightness(1);
  transform: scale(1.05);
}

/* About / Timeline Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 35px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--text-muted);
  border: 2px solid var(--bg-primary);
  transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--text-primary);
  box-shadow: 0 0 8px var(--text-primary);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 4px;
}

h3.timeline-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-title a {
  transition: var(--transition-smooth);
}

.timeline-title a:hover {
  text-decoration: underline;
  color: var(--text-primary);
}

.timeline-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 6px;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.skill-category-title {
  font-size: 1.2rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-badge {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 14px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.skill-badge:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  transform: translateY(-2px);
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

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

.project-header {
  margin-bottom: 16px;
}

.project-title {
  font-size: 1.3rem;
  line-height: 1.3;
  margin-bottom: 8px;
  min-height: 3.5rem;
  display: flex;
  align-items: flex-start;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 20px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.project-tags span {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.project-tags span:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-dim);
}

.project-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-link svg {
  transition: transform 0.3s ease;
}

.project-link:hover svg {
  transform: translateX(4px);
}

/* Contact Section */
.contact-container {
  max-width: 700px;
  margin: 0 auto;
}

.contact-card {
  text-align: center;
  padding: 50px 30px;
}

.contact-title {
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-desc {
  max-width: 500px;
  margin: 0 auto 30px auto;
  font-size: 1.05rem;
}

.email-copy-box {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 6px 6px 16px;
  margin-bottom: 40px;
  max-width: 100%;
  transition: var(--transition-smooth);
}

.email-copy-box:hover {
  border-color: var(--border-hover);
}

.email-text {
  font-family: monospace;
  font-size: 1rem;
  color: var(--text-primary);
  margin-right: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.email-text:hover {
  text-decoration: underline;
  opacity: 0.85;
}

.btn-copy {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.btn-copy:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

/* Social Grid */
.socials-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 20px;
  font-weight: 500;
}

.socials-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.social-icon-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.social-icon-link:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.05);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
  z-index: 10000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Scroll Fade Animation Class */
.fade-up-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up-element.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  background-color: var(--bg-secondary);
  text-align: center;
}

.footer p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
    padding-top: 140px;
  }
  
  .hero-content {
    order: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-image-container {
    order: 1;
  }
  
  .hero-description {
    margin-right: auto;
    margin-left: auto;
  }
  
  .hero-title {
    font-size: clamp(2rem, 7vw, 3rem);
  }
  .hero-image-wrapper {
    max-width: 250px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-primary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transform: translateX(100%);
    transition: var(--transition-smooth);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    font-size: 1.2rem;
  }
  
  .menu-toggle {
    display: block;
  }
  
  /* Menu open icon transformation */
  .navbar.menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .navbar.menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }
  
  .navbar.menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .email-copy-box {
    width: 100%;
    flex-direction: column;
    padding: 16px;
    gap: 12px;
  }
  
  .email-text {
    margin-right: 0;
    text-align: center;
  }
  
  .btn-copy {
    width: 100%;
    justify-content: center;
  }
}