:root {
  --bg: #0b1220;
  --bg-soft: #121a2b;
  --card: #172235;
  --text: #e8eefc;
  --muted: #a9b6d3;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #66b3ff;
  --accent-2: #8ef0cf;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  --radius: 18px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(102, 179, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #0b1220 0%, #0d1424 100%);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.logo:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.96rem;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-label {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.1;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin: 1.75rem 0 1.25rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #07111f;
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.quick-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.hero-image-card,
.card,
.project-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-image-card {
  padding: 1rem;
}

.hero-image {
  border-radius: 16px;
  width: 100%;
  object-fit: cover;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 1.5rem;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.7rem, 2.6vw, 2.5rem);
}

.content-grid,
.projects-grid,
.contact-grid,
.personal-grid {
  display: grid;
  gap: 1.25rem;
}

.content-grid {
  grid-template-columns: 1.2fr 0.9fr;
}

.projects-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.personal-grid {
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
}

.card,
.project-card {
  padding: 1.35rem;
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-card h3,
.card h3 {
  margin-top: 0;
}

.tag {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(102, 179, 255, 0.12);
  border: 1px solid rgba(102, 179, 255, 0.22);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.clean-list {
  margin: 0.8rem 0 0;
  padding-left: 1.2rem;
}

.project-links {
  margin-top: 1rem;
}

.personal-image-wrap {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.personal-image {
  border-radius: 16px;
  width: 100%;
  object-fit: cover;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 2rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}

.back-to-top {
  color: var(--muted);
}

.back-to-top:hover {
  color: var(--text);
  text-decoration: none;
}

@media (max-width: 900px) {
  .hero-grid,
  .content-grid,
  .projects-grid,
  .contact-grid,
  .personal-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-direction: column;
    justify-content: center;
    padding: 0.85rem 0;
    gap: 0.75rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-top: 3rem;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }

  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

.project-link {
  display: inline-block;
  margin-top: 10px;
  color: #4ea1ff;
  font-weight: bold;
  text-decoration: none;
}

.project-link:hover {
  text-decoration: underline;
}

.tags {
  color: #8ef0cf;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0.25rem 0 1rem;
}