:root {
  --bg: #0f1115;
  --bg-alt: #161922;
  --text: #f4f5f7;
  --muted: #9aa1b1;
  --accent: #7c8cff;
  --max-width: 1080px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

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

.nav nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

/* Hero */
.hero {
  padding: 120px 0;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.tagline {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 560px;
}

.cta-row {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #0f1115;
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.section p {
  color: var(--muted);
  max-width: 640px;
}

/* Work grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 20px;
}

.card-thumb {
  height: 140px;
  border-radius: 8px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #7c8cff 0%, #4d5bd9 100%);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.card p {
  font-size: 0.9rem;
}

/* Skills */
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
}

.skills-list li {
  background: rgba(124, 140, 255, 0.12);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Contact */
.contact-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* Footer */
.site-footer {
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}