/* GuardBox marketing site — Ocean Deep theme, plain CSS, no external font/CDN calls */

:root {
  --background: 213 56% 9%;
  --foreground: 195 35% 95%;
  --card: 209 60% 14%;
  --card-foreground: 195 35% 95%;
  --primary: 188 56% 40%;
  --primary-foreground: 0 0% 100%;
  --secondary: 207 60% 26%;
  --secondary-foreground: 195 35% 95%;
  --muted: 210 40% 18%;
  --muted-foreground: 200 20% 70%;
  --accent: 177 39% 55%;
  --accent-foreground: 213 56% 9%;
  --destructive: 0 72% 51%;
  --border: 210 40% 22%;
  --radius: 0.75rem;

  --font-heading: -apple-system, "Segoe UI", "Helvetica Neue", Roboto, Arial, sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", Consolas, monospace;
}

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

body {
  margin: 0;
  background-color: hsl(var(--background));
  background-image: linear-gradient(hsl(var(--background) / 0.78), hsl(var(--background) / 0.92)), url("cyber-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.6em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: hsl(var(--background) / 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid hsl(var(--border));
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand img {
  height: 64px;
  width: 64px;
  object-fit: contain;
  user-select: none;
}
.brand-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #5eead4;
  text-shadow: 0 0 6px rgba(94,234,212,0.9), 0 0 16px rgba(94,234,212,0.7), 0 0 32px rgba(94,234,212,0.5);
}
footer .brand-text { font-size: 1.3rem; }
footer .brand img { height: 40px; width: 40px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.95rem;
}
.nav-links a { color: hsl(var(--foreground) / 0.85); }
.nav-links a:hover { color: hsl(var(--accent)); text-decoration: none; }
.nav-links .btn { margin-left: 0.25rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; opacity: 0.9; }
.btn-primary {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}
.btn-outline {
  background: transparent;
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
}
.btn-lg { padding: 0.9rem 2rem; font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  max-width: 900px;
  margin: 0 auto 1rem;
  color: #5eead4;
  text-shadow: 0 0 18px rgba(94,234,212,0.55), 0 0 44px rgba(94,234,212,0.35);
}
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: hsl(var(--accent));
  margin-bottom: 1rem;
}
.hero p.lead {
  max-width: 720px;
  margin: 0 auto 2rem;
  color: hsl(var(--muted-foreground));
  font-size: 1.15rem;
}
.hero .actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */
section { padding: 4rem 0; }
section.alt { background: hsl(var(--card) / 0.4); }
.section-heading { text-align: center; max-width: 700px; margin: 0 auto 3rem; }
.section-heading h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-heading p { color: hsl(var(--muted-foreground)); }

/* ---------- Cards / grid ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.75rem;
}
.card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card p { color: hsl(var(--muted-foreground)); margin: 0; font-size: 0.95rem; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}
.price-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}
.price-card.featured {
  border-color: hsl(var(--primary));
  box-shadow: 0 0 0 1px hsl(var(--primary));
}
.price-card .badge {
  display: inline-block;
  background: hsl(var(--accent) / 0.2);
  color: hsl(var(--accent));
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.price-card .price {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0.5rem 0;
}
.price-card .price span { font-size: 1rem; color: hsl(var(--muted-foreground)); font-weight: 400; }
.price-card ul { list-style: none; padding: 0; margin: 1.5rem 0; text-align: left; }
.price-card li {
  padding: 0.4rem 0;
  color: hsl(var(--muted-foreground));
  font-size: 0.92rem;
}
.price-card li::before { content: "✓ "; color: hsl(var(--accent)); font-weight: 700; }

/* ---------- Forms ---------- */
input, select, textarea {
  width: 100%;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 4px);
  padding: 0.7rem 0.9rem;
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  font-size: 0.95rem;
}
label { display: block; font-size: 0.88rem; margin-bottom: 0.35rem; color: hsl(var(--muted-foreground)); }
.field { margin-bottom: 1.1rem; }
form .btn { width: 100%; margin-top: 0.5rem; }

.email-capture {
  display: flex;
  gap: 0.75rem;
  max-width: 420px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.email-capture input { flex: 1; min-width: 200px; }
.email-capture .note { font-size: 0.8rem; color: hsl(var(--muted-foreground)); margin-top: 0.6rem; text-align: center; }
.form-status { font-size: 0.9rem; margin-top: 0.75rem; text-align: center; min-height: 1.2em; }
.form-status.success { color: hsl(var(--accent)); }
.form-status.error { color: hsl(var(--destructive)); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid hsl(var(--border));
  padding: 3rem 0 2rem;
  color: hsl(var(--muted-foreground));
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h4 { color: hsl(var(--foreground)); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.9rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.5rem; }
.footer-grid a { color: hsl(var(--muted-foreground)); }
.footer-bottom { border-top: 1px solid hsl(var(--border)); padding-top: 1.5rem; text-align: center; font-size: 0.85rem; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
}