/* BRIERLABS.IO — harmonized with logo */
:root {
  --bg: #1a1a1a;
  --surface: #2a2a2a;
  --text: #ffffff;
  --text-muted: #a0a0a0;
  --accent-cyan: #64ffda;
  --accent-purple: #ba55d3;
  --accent-soft: rgba(100, 255, 218, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 64rem;
  margin: 0 auto;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  display: block;
  height: 200px;
  width: auto;
  max-width: 450px;
  object-fit: contain;
  object-position: left center;
}

.site-header nav {
  display: flex;
  gap: 2rem;
}

.site-header nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.site-header nav a:hover {
  color: var(--accent-cyan);
}

/* Main */
main {
  flex: 1;
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 2rem 4rem;
  width: 100%;
}

/* Hero */
.hero {
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero .tagline {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 32rem;
  margin: 0 auto 2rem;
  font-weight: 300;
}

.cta {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  border-radius: 6px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Sections */
.about,
.contact {
  padding: 3rem 0;
  border-top: 1px solid var(--surface);
}

.about h2,
.contact h2 {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.about p,
.contact p {
  color: var(--text-muted);
  margin: 0 0 1rem;
  max-width: 40rem;
}

.contact .email {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 500;
}

.contact .email:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--surface);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .site-header,
  main {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .logo-img {
    height: 100px;
    max-width: 100%;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .site-header nav {
    gap: 1.25rem;
  }
}