:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-2: #1a1a26;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --text-muted: #ababc4;
  --accent: #00e5a0;
  --accent-dim: #00e5a020;
  --accent-glow: #00e5a040;
  --warm: #ff6b4a;
  --blue: #4a9eff;
  --purple: #b06aff;
  --yellow: #ffc44a;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Sora', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
  line-height: 1.7;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.15;
  pointer-events: none;
}

.grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-glow), transparent 60%);
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  background: #0a0a0fcc;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: -0.5px;
}

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

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 1.2rem;
  letter-spacing: 0.5px;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::before {
  content: '~/ ';
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::before { opacity: 1; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 4rem 4rem;
  max-width: 1300px;
  margin: 0 auto;
}

.hero-content { max-width: 750px; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.90rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease both;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: var(--text);
  font-weight: 400;
  letter-spacing: -0.5px;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.15s both;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--accent-glow);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1.3rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}

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

.hero-visual {
  position: absolute;
  right: 4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 390px;
  animation: fadeInUp 1s ease 0.4s both;
}

.terminal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px #00000060;
}

.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-body {
  padding: 1.2rem;
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 2;
}

.terminal-body .prompt { color: var(--accent); }
.terminal-body .cmd { color: var(--text); }
.terminal-body .string { color: var(--warm); }
.terminal-body .key { color: var(--blue); }

.cursor-blink {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

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

section {
  position: relative;
  z-index: 1;
  padding: 6rem 4rem;
  max-width: 1300px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 3.5rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-left .section-desc {
  margin-bottom: 1.5rem;
}

.about-right {
  padding-top: 5.5rem;
}


.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 0.92rem;
  line-height: 1.7;
  background: var(--surface);
  border-left: 3px solid var(--accent);
  padding: 0.9rem 1.2rem;
  border-radius: 0 8px 8px 0;
}

.about-text u {
  color: var(--text);
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s;
}

.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px #00000040;
}

.stat-number {
  font-family: var(--mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.tech-stack-section { margin-top: 2rem; }

.tech-category { margin-bottom: 1rem; }

.tech-category-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

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

.tech-tag {
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.35rem 0.8rem;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.3s;
}

.tech-tag:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--blue));
  opacity: 0;
  transition: opacity 0.4s;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px #00000050;
}

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

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.project-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.project-date {
  font-family: var(--mono);
  font-size: 0.80rem;
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.project-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.project-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  flex-grow: 1;
}

.project-bullets li {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.4rem;
}

.project-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.project-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--yellow);
  background: #ffc44a12;
  border: 1px solid #ffc44a30;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

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

.project-tags span {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  background: var(--surface-2);
  color: var(--text-muted);
}

.project-featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.project-featured .project-preview {
  background: var(--surface-2);
  border-radius: 10px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.dashboard-mock {
  width: 100%; height: 100%;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.mock-dots { display: flex; gap: 4px; }
.mock-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.mock-dots span:first-child { background: var(--accent); }

.mock-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.mock-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mock-card-label { font-family: var(--mono); font-size: 0.55rem; color: var(--text-muted); }
.mock-card-value { font-family: var(--mono); font-size: 0.9rem; font-weight: 700; color: var(--accent); }
.mock-card-value.blue { color: var(--blue); }

.mock-table {
  flex: 2;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mock-table-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr 0.8fr;
  gap: 0.3rem;
  font-family: var(--mono);
  font-size: 0.52rem;
  color: var(--text-muted);
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border);
}

.mock-table-row:first-child { color: var(--text); font-weight: 600; }
.mock-table-row:last-child { border-bottom: none; }
.mock-table-row .green { color: var(--accent); }

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

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--purple), transparent);
}

.timeline-item {
  position: relative;
  padding: 0 0 3rem 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -0.35rem;
  top: 0.4rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-date {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.timeline-item h3 { font-size: 1.3rem; margin-bottom: 0.2rem; }
.timeline-item .company { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 0.6rem; }
.timeline-item p { color: var(--text-muted); font-size: 0.88rem; }

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

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: all 0.3s;
}

.edu-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px #00000040;
}

.edu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.edu-card .edu-icon { font-size: 1.5rem; }

.edu-date {
  font-family: var(--mono);
  font-size: 0.80rem;
  color: var(--text-muted);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.edu-card h3 { font-size: 1.5rem; margin-bottom: 0.3rem; }
.edu-card .edu-degree { color: var(--accent); font-family: var(--mono); font-size: 1rem; margin-bottom: 0.3rem; }
.edu-card .edu-details { color: var(--text-muted); font-size: 0.85rem; }

.edu-card .edu-gpa {
  display: inline-flex;
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: 6px;
  color: var(--accent);
  margin-top: 0.8rem;
}

.contact-section { text-align: center; padding: 8rem 4rem; }
.contact-section .section-desc { margin: 0 auto 3rem; }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.82rem;
  transition: all 0.3s;
}

.contact-link:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px #00000040;
}

.contact-link svg { width: 18px; height: 18px; stroke: var(--accent); }

footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #0a0a0fdd;
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 90vw;
  max-width: 900px;
  height: 85vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 80px #000000a0;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.modal-title {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.modal-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.modal-action-btn svg { stroke: currentColor; }

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.modal-close:hover {
  border-color: var(--warm);
  color: var(--warm);
}

.modal-body {
  flex: 1;
  overflow: hidden;
}

.modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .project-featured { grid-column: span 1; grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }

  .nav-toggle { display: flex; }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 99;
  }

  .nav-overlay.active { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 0.75rem;
    gap: 0;
  }

  .nav-links.open { display: flex; }

  .nav-links li {
    border-bottom: 1px solid var(--border);
  }

  .nav-links li:last-child { border-bottom: none; }

  .nav-links a {
    font-size: 1.1rem;
    display: block;
    padding: 0.8rem 0;
  }

  .nav-links a::before { display: none; }

  .hero, section { padding: 5rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .contact-section { padding: 5rem 1.5rem; }
}