:root {
  --bg-charcoal: #0d0f12;
  --bg-card: #14171c;
  --bg-elevated: #1a1d24;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(148, 163, 184, 0.08);
  --glass-bg: rgba(26, 29, 36, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --radius: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem 1.5rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 150%;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(59, 130, 246, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, black 20%, transparent 70%);
}

.hero-avatar {
  position: absolute;
  top: 15%;
  right: 15%;
  width: 180px;
  height: 180px;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-initials {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
}

.hero-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

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

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(6px); }
}

/* Sections */
.section {
  padding: 5rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  text-align: center;
}

/* Glass effect */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
  grid-template-areas:
    "large large"
    "card1 card2"
    "card3 wide";
}

.bento-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}

.bento-large {
  grid-area: large;
}

.bento-wide {
  grid-area: wide;
}

.bento-card:nth-child(2) { grid-area: card1; }
.bento-card:nth-child(3) { grid-area: card2; }
.bento-card:nth-child(4) { grid-area: card3; }

.bento-icon {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.bento-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.bento-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

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

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  border-radius: 2px;
}

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

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

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.6);
}

.timeline-content {
  padding: 1.5rem;
  border-radius: var(--radius);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateX(8px);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.timeline-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.timeline-content ul {
  list-style: none;
}

.timeline-content li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.timeline-content li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}

.project-image {
  aspect-ratio: 16/10;
  background: var(--bg-elevated);
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.05));
}

.placeholder-icon {
  font-size: 3rem;
  opacity: 0.6;
}

.project-body {
  padding: 1.5rem;
}

.project-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.project-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

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

.project-tags span {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
  border-radius: 999px;
}

/* Footer */
.footer {
  padding: 5rem 1.5rem 3rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
}

.footer .section-title {
  text-align: left;
  margin-bottom: 2rem;
}

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

.contact-form-wrapper {
  padding: 2rem;
  border-radius: var(--radius);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  padding: 1rem 1.25rem;
  background: rgba(13, 15, 18, 0.6);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1rem;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

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

.contact-email {
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.contact-email:hover {
  color: var(--accent-emerald);
}

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

.social-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.social-icon:hover {
  color: var(--accent);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Scroll animations */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile */
@media (max-width: 768px) {
  .hero-avatar {
    top: 8%;
    right: 50%;
    transform: translateX(50%);
    width: 120px;
    height: 120px;
  }

  .avatar-initials {
    font-size: 2rem;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "large"
      "card1"
      "card2"
      "card3"
      "wide";
  }

  .bento-large,
  .bento-card:nth-child(2),
  .bento-card:nth-child(3),
  .bento-card:nth-child(4),
  .bento-wide {
    grid-area: auto;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-dot {
    left: -1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3rem 1rem;
  }
}