@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1c1917;
  --bg-card: #1a1a1a;
  --accent-primary: #5c4033;
  --accent-hover: #6b4e3d;
  --accent-muted: rgba(92, 64, 51, 0.2);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.bg-gradient {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 40% at 20% 40%, rgba(92, 64, 51, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 80% 60%, rgba(92, 64, 51, 0.1) 0%, transparent 50%),
    var(--bg-primary);
}

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

/* mix-blend-mode: screen makes the black background invisible
   against the dark nav, showing only the white AV mark + name */
.logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: screen;
  display: block;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s var(--ease-smooth);
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 65ch;
}

a.card { color: inherit; text-decoration: none; }
a.card:visited { color: inherit; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s var(--ease-smooth);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-accent {
  background: linear-gradient(135deg, rgba(92, 64, 51, 0.1), transparent);
  border-color: rgba(92, 64, 51, 0.3);
}

/* ── Buttons ─────────────────────────────────────────────────────────────
   Primary (filled white): only shows glow + lift on hover, press on click.
   No random white flash at rest.
   Outline: transparent at rest, subtle fill on hover, deeper on click.
──────────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: var(--text-primary);
  color: var(--bg-primary);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform 0.18s var(--ease-smooth),
              box-shadow 0.18s var(--ease-smooth),
              opacity 0.18s var(--ease-smooth);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.18);
  opacity: 0.93;
}

.btn:active {
  transform: translateY(0px);
  box-shadow: none;
  opacity: 0.72;
  transition-duration: 0.08s;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: transform 0.18s var(--ease-smooth),
              box-shadow 0.18s var(--ease-smooth),
              background 0.18s var(--ease-smooth),
              border-color 0.18s var(--ease-smooth);
}

.btn-outline:hover {
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.06);
}

.btn-outline:active {
  background: rgba(255, 255, 255, 0.13);
  border-color: var(--text-primary);
  transform: translateY(0px);
  box-shadow: none;
  transition-duration: 0.08s;
}

.btn-accent {
  background: var(--accent-primary);
  color: var(--text-primary);
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(92, 64, 51, 0.35);
  opacity: 1;
}

.btn-accent:active {
  transform: translateY(0px);
  box-shadow: none;
  transition-duration: 0.08s;
}

.tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.tag-accent {
  background: var(--accent-muted);
  border-color: rgba(92, 64, 51, 0.4);
  color: var(--text-primary);
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 8rem 0; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }

.stat-value { font-size: 3rem; font-weight: 600; color: var(--text-primary); line-height: 1; margin-bottom: 0.5rem; }
.stat-label { font-size: 0.875rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }

input, textarea, select {
  width: 100%;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all 0.2s var(--ease-smooth);
}

input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent-primary); }
input::placeholder, textarea::placeholder { color: var(--text-tertiary); }

.link { color: var(--text-primary); text-decoration: none; font-weight: 500; transition: opacity 0.2s var(--ease-smooth); }
.link:hover { opacity: 0.7; }

.status-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  display: inline-block;
  margin-right: 0.5rem;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade { animation: fadeIn 0.6s var(--ease-out) forwards; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  h1 { font-size: 2.5rem; }
  .section { padding: 5rem 0; }
}

::selection { background: var(--accent-primary); color: var(--text-primary); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }