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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-2: #232635;
  --accent: #6c63ff;
  --accent-light: #a29bfe;
  --text: #e8eaf0;
  --text-muted: #8b8fa8;
  --border: #2e3148;
  --radius: 12px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

/* ===== Nav ===== */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 0 2rem;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}

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

/* ===== Layout ===== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 2.5rem;
  color: var(--text);
}

/* ===== Hero ===== */
#name {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 60px;
  position: relative;
  overflow: hidden;
}

#name::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-name {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.hero-name span {
  background: linear-gradient(135deg, #6c63ff, #a29bfe, #74b9ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
}

.hero-cta:hover {
  background: var(--accent-light);
  color: #fff;
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  animation: bounce 2s infinite;
}

.hero-scroll::after {
  content: '↓';
  font-size: 1.1rem;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== About ===== */
#about {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 1rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.profile {
  background: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1.4rem;
}

.profile p {
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.profile p:last-child {
  margin-bottom: 0;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.badge {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-light);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* ===== Skills ===== */
#skills {
  background: var(--bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.skill-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
  display: block;
}

.skill-name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

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

/* ===== Works ===== */
#works {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.work-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition);
}

.work-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.work-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.work-title {
  font-weight: 700;
  font-size: 1.05rem;
}

.work-link-icon {
  color: var(--text-muted);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: color var(--transition);
}

.work-card:hover .work-link-icon {
  color: var(--accent-light);
}

.work-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  flex: 1;
}

.work-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.work-tag {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  color: var(--accent-light);
}

/* ===== Contact ===== */
#contact {
  background: var(--bg);
  text-align: center;
}

.contact-inner {
  max-width: 520px;
  margin: 0 auto;
}

.contact-inner p {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

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

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.contact-btn.primary {
  background: var(--accent);
  color: #fff;
}

.contact-btn.primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

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

.contact-btn.secondary:hover {
  border-color: var(--accent-light);
  color: var(--text);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .section-title {
    font-size: 1.6rem;
  }

  section {
    padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.2rem;
  }

  .hero-name {
    font-size: 2.2rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}

/* ===== Slideshow ===== */
.work-slideshow {
  position: relative;
  width: 100%;
  margin-bottom: 1rem;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  background: var(--surface-2);
}

.slide-track {
  width: 100%;
}

.slide-track img {
  display: none;
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
  z-index: 2;
  border-radius: 4px;
  transition: background var(--transition);
  user-select: none;
}

.slide-btn:hover {
  background: rgba(108, 99, 255, 0.75);
}

.slide-prev { left: 0.5rem; }
.slide-next { right: 0.5rem; }

.slide-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 0.5rem 0;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition);
}

.dot.active {
  background: var(--accent);
}