/* shared.css - HUMMBL Design System
   Included by all pages. Page-specific styles stay inline.
   To add a new page: <link rel="stylesheet" href="shared.css"> */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-elevated: #1a1a1a;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --text-tertiary: #666;
  --accent-cyan: #00ff88;
  --accent-warm: #ff6b35;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-prominent: rgba(0, 255, 136, 0.3);

  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --font-serif: "Crimson Pro", Georgia, serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Subtle grid background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 49px,
      rgba(0, 255, 136, 0.02) 49px,
      rgba(0, 255, 136, 0.02) 50px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 49px,
      rgba(0, 255, 136, 0.02) 49px,
      rgba(0, 255, 136, 0.02) 50px
    );
  pointer-events: none;
  z-index: 0;
}

/* ── Skip Link (accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 8px 16px;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 48px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.1em;
}

.logo-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.header-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
}

.header-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* ── Hamburger Menu ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-size: 13px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--accent-cyan);
}

.footer-nav {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 12px;
  flex-wrap: wrap;
}

/* ── Mobile Responsive ── */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .header-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    font-size: 18px;
    z-index: 1000;
  }

  .header-links.open {
    display: flex;
  }
}