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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #f0f0f0;
  background: #0a0a0a;
  line-height: 1.7;
  font-size: 16px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 28px;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 0.85rem;
  color: #999;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

/* Section common */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #ff6b35;
  margin-bottom: 12px;
  text-transform: uppercase;
}

section h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, #2b1a0a 0%, #0a0a0a 70%);
  padding: 120px 28px 80px;
}

.hero-inner {
  max-width: 700px;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #ff6b35;
  margin-bottom: 28px;
}

.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.hero-title i {
  font-size: 3rem;
  color: #ff6b35;
}

.hero h1 {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -0.03em;
}

.hero-tagline {
  font-size: 1.2rem;
  color: #ccc;
  font-weight: 500;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.1rem;
  color: #888;
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-btn {
  display: inline-block;
  padding: 14px 36px;
  background: #ff6b35;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 50px;
  transition: background 0.2s, transform 0.2s;
}

.hero-btn:hover {
  background: #e55a2b;
  transform: translateY(-2px);
}

/* Stats */
.stats {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: #0e0e0e;
}

.stats-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 28px;
  display: flex;
  justify-content: center;
  gap: 80px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.85rem;
  color: #666;
  font-weight: 500;
  margin-top: 4px;
}

/* About */
.about {
  padding: 100px 0;
}

.about h2 {
  font-size: 1.8rem;
}

.about-body p {
  color: #999;
  font-size: 1rem;
  margin-bottom: 14px;
  max-width: 600px;
}

/* Projects */
.projects {
  padding: 100px 0;
  background: #0e0e0e;
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.project-card {
  background: #161616;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}

.project-card:hover {
  border-color: rgba(108, 92, 231, 0.4);
  transform: translateY(-4px);
}

.project-thumb {
  height: 160px;
  background: linear-gradient(135deg, #2b1a0a, #4a2510);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb span {
  font-size: 2.4rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.15);
}

.project-info {
  padding: 22px;
}

.project-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.project-tags span {
  font-size: 0.7rem;
  font-weight: 600;
  color: #ff6b35;
  background: rgba(108, 92, 231, 0.12);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

.project-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.project-info p {
  font-size: 0.88rem;
  color: #777;
  line-height: 1.6;
}

/* Skills */
.skills {
  padding: 100px 0;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skill-card {
  background: #161616;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 24px;
}

.skill-card h4 {
  font-size: 0.75rem;
  font-weight: 700;
  color: #ff6b35;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.skill-card ul {
  list-style: none;
}

.skill-card li {
  font-size: 0.9rem;
  color: #bbb;
  padding: 4px 0;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.skill-card li i {
  font-size: 16px;
  color: #ff6b35;
}

.skill-card h4 i {
  font-size: 14px;
}

/* FAQ */
.faq {
  padding: 100px 0;
  background: #0e0e0e;
}

.faq-list {
  max-width: 700px;
}

.faq-item {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-item:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-q, .faq-a {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.faq-q {
  margin-bottom: 14px;
}

.faq-badge {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #ff6b35;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.faq-badge-a {
  background: #333;
  color: #bbb;
}

.faq-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #eee;
  margin: 0;
  line-height: 1.6;
}

.faq-item p {
  color: #777;
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 0;
}

/* Contact */
.contact {
  padding: 100px 0;
}

.contact-desc {
  color: #777;
  margin-bottom: 36px;
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 20px;
  background: #161616;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  text-align: center;
  transition: border-color 0.25s, transform 0.25s;
}

.contact-card:hover {
  border-color: rgba(108, 92, 231, 0.4);
  transform: translateY(-3px);
}

.contact-icon {
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.contact-card strong {
  font-size: 0.9rem;
  color: #eee;
}

.contact-card span:last-child {
  font-size: 0.8rem;
  color: #666;
}

/* Footer */
footer {
  padding: 36px 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: #444;
  font-size: 0.8rem;
}

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

  .hero {
    padding: 100px 20px 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-title i {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .stats-inner {
    gap: 40px;
  }

  .stat-number {
    font-size: 2rem;
  }

  section h2 {
    font-size: 1.6rem;
  }

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

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

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

@media (max-width: 480px) {
  .stats-inner {
    flex-direction: column;
    gap: 24px;
  }

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