/* ============================================
   BEFORE GREATNESS LLC — Design System
   ============================================ */

/* Design Tokens */
:root {
  --bg:        #0a0a0f;
  --surface:   #111118;
  --border:    #1e1e2a;
  --text:      #f0f0f0;
  --muted:     #8a8a9a;
  --accent:    #4a9eff;
  --accent-hover: #6eb1ff;
  --secondary: #6c757d;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius:    4px;
  --max-w:     1200px;
  --max-w-narrow: 760px;
  --transition: all 0.3s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; }

p { color: var(--muted); line-height: 1.8; }

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
}

.container--narrow {
  max-width: var(--max-w-narrow);
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding-block: 1.25rem;
}

.nav-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.nav-logo:hover { opacity: 0.8; }
.nav-logo img { height: 28px; width: auto; display: block; }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  transition: var(--transition);
}
.nav-link:hover,
.nav-link--active { color: var(--text); }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding-block: clamp(6rem, 15vw, 12rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(74, 158, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-headline {
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: clamp(1.1rem, 2.5vw, 1.375rem);
  color: var(--muted);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 3rem;
  line-height: 1.6;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0f;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #0a0a0f;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(74, 158, 255, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(74, 158, 255, 0.12);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding-block: clamp(5rem, 10vw, 8rem);
}

.section--alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  text-align: center;
  margin-bottom: 1.5rem;
}

.section-body {
  text-align: center;
  font-size: 1.125rem;
  max-width: 640px;
  margin-inline: auto;
  color: var(--muted);
  line-height: 1.8;
}

/* ============================================
   Cards
   ============================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(74, 158, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.card-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
}

.card-title {
  font-size: 1.375rem;
  color: var(--text);
}

.card-sub {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: -0.25rem;
}

.card-text {
  flex: 1;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.card .btn {
  align-self: flex-start;
  margin-top: 0.5rem;
}

/* ============================================
   Page Hero (inner pages)
   ============================================ */
.page-hero {
  padding-block: clamp(4rem, 10vw, 7rem);
  border-bottom: 1px solid var(--border);
}

.page-title {
  color: var(--text);
  margin-bottom: 0.75rem;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--muted);
}

/* ============================================
   Prose (inner page content)
   ============================================ */
.prose {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.prose h2 {
  font-size: 1.5rem;
  color: var(--text);
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.prose h3 {
  font-size: 1.125rem;
  color: var(--text);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.prose p {
  margin-bottom: 1.25rem;
  color: var(--muted);
}

.prose ul, .prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.prose li {
  margin-bottom: 0.5rem;
  color: var(--muted);
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

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

.prose strong { color: var(--text); font-weight: 600; }

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin-block: 2.5rem;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  color: var(--accent);
}

/* Contact specific */
.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 2rem;
}
.contact-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
}
.contact-value {
  font-size: 1.125rem;
  color: var(--text);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 5vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--secondary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-link {
  font-size: 0.8125rem;
  color: var(--secondary);
  transition: var(--transition);
}

.footer-link:hover { color: var(--text); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 640px) {
  .nav-inner { flex-wrap: wrap; gap: 1rem; }
  .nav-links { gap: 1.5rem; }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .footer-links { gap: 1.25rem; flex-wrap: wrap; }

  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .nav-links { gap: 1rem; }
  .btn { padding: 0.75rem 1.5rem; }
}