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

:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #222;
  --text: #e5e5e5;
  --text-muted: #888;
  --accent: #f97316;
  --accent-hover: #fb923c;
  --radius: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

code {
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  width: 100%;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

/* Hero */
.hero {
  text-align: center;
  padding: 6rem 1.5rem 4rem;
  max-width: 640px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-bottom: 2rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.cta:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

/* Sections */
section {
  max-width: 960px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  width: 100%;
}

section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

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

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* About */
.about p {
  color: var(--text-muted);
  max-width: 640px;
}

/* Contact */
.contact p {
  color: var(--text-muted);
}

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
}

footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero {
    padding: 4rem 1.5rem 3rem;
  }

  .nav-links {
    gap: 1rem;
  }
}