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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --accent: #4f8ef7;
  --accent-dim: #1e3a6e;
  --text: #e2e8f0;
  --muted: #8892a4;
  --tag-bg: #1e2a40;
  --tag-text: #7eb3ff;
  --card-hover: #1f2335;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
}

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

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

/* ── LAYOUT ── */
.container { max-width: 860px; margin: 0 auto; padding: 0 1.5rem; }

section { padding: 80px 0; }

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
}

/* ── HERO ── */
#hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 0;
}

.hero-inner { padding: 0 1.5rem; max-width: 860px; margin: 0 auto; }

.hero-greeting {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.hero-name {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}

.hero-role {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  max-width: 560px;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover { background: #3a7ae8; transform: translateY(-1px); }

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

.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* ── ABOUT ── */
#about p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 680px;
  line-height: 1.8;
}

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
}

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

.project-icon { font-size: 1.8rem; }

.project-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.project-desc {
  font-size: 0.88rem;
  color: var(--muted);
  flex: 1;
  line-height: 1.6;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.25rem; }

.tag {
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

.project-link {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.skill-group-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.skill-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* ── CONTACT ── */
#contact { border-top: 1px solid var(--border); }

#contact p { color: var(--muted); margin-bottom: 1.5rem; font-size: 1rem; }

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

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  nav { padding: 0 1rem; }
  .nav-links { gap: 1.2rem; }
  section { padding: 60px 0; }
}

/* ── TRAVEL TEASER ── */
#travel { border-top: 1px solid var(--border); padding: 60px 0; }

.travel-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: linear-gradient(135deg, #0d1f3c 0%, #1a1d27 60%, #0d2a1f 100%);
  border: 1px solid var(--accent-dim);
  border-radius: 16px;
  padding: 2.5rem 2.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.travel-banner::before {
  content: '✈️ 🗺️ 📸';
  position: absolute;
  right: 6rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.8rem;
  opacity: 0.15;
  pointer-events: none;
  letter-spacing: 0.5rem;
}

.travel-banner:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(79, 142, 247, 0.15);
}

.travel-banner-left p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 520px;
}

.travel-banner-left h2 { margin-bottom: 0.5rem; }

.travel-banner-cta {
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.2s;
}

.travel-banner:hover .travel-banner-cta { background: #3a7ae8; }

@media (max-width: 600px) {
  .travel-banner { flex-direction: column; align-items: flex-start; padding: 1.75rem; }
  .travel-banner::before { display: none; }
}