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

:root {
  --color-bg: #0b0f1a;
  --color-surface: #131929;
  --color-accent: #4f8cff;
  --color-accent-hover: #3a6fdb;
  --color-text: #e4e8f1;
  --color-text-muted: #8a92a6;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  padding: 1.25rem 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(11, 15, 26, 0.9);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  margin-left: 2rem;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  padding: 6rem 1.5rem 4rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 2.5rem;
}

.cta-button {
  display: inline-block;
  padding: 0.85rem 2.25rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s, transform 0.15s;
}

.cta-button:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* About */
.about {
  padding: 5rem 0;
  background: var(--color-surface);
}

.about h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about p {
  color: var(--color-text-muted);
  max-width: 600px;
  font-size: 1.05rem;
}

/* Footer */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-info address {
  font-style: normal;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-meta p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.copyright {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* Responsive */
@media (max-width: 600px) {
  .footer-content {
    flex-direction: column;
  }

  .nav a {
    margin-left: 1.25rem;
  }
}