/* src/styles.css */

:root {
  --bg: #0b1115;
  --bg-alt: #111821;
  --fg: #f5f5f5;
  --muted: #a0acb8;
  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.1);
  --border-soft: rgba(148, 163, 184, 0.3);
  --radius: 8px;
  --shadow-soft: 0 14px 40px rgba(15, 23, 42, 0.55);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #111827, #020617);
  color: var(--fg);
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--border-soft);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo a {
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg);
}

.nav a {
  margin-left: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

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

/* Hero */

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-text {
  max-width: 640px;
  text-align: left;
}

.hero h1 {
  font-size: clamp(2.2rem, 3vw, 2.8rem);
  margin-bottom: 0.5rem;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.hero-description {
  color: var(--muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.btn-primary {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: var(--accent);
  color: #0b1120;
  border: none;
  font-weight: 500;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
}

/* Sections */

.section {
  padding: 3rem 0;
  border-top: 1px solid rgba(15, 23, 42, 0.6);
  background: radial-gradient(circle at top left, #020617, #020617 60%, #020617);
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--border-soft);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* About */

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 1.5rem;
}

.highlight-box {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.7fr);
  gap: 1.5rem;
  align-items: start;
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.9rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  background: rgba(15, 23, 42, 0.95);
  color: var(--fg);
  font-family: inherit;
  font-size: 0.95rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 1.75rem 0;
  background: #020617;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.footer-contact {
  font-size: 0.9rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Responsive */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .nav a {
    margin-left: 0.75rem;
  }

  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.5rem;
  }
}