/* === RadSavvy Global Styles === */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #f5f7fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #edf0f5;
  --bg-card: #ffffff;
  --text-primary: #1a2035;
  --text-secondary: #4a5268;
  --text-muted: #8891a5;
  --accent: #2b7de9;
  --accent-hover: #1a6ad4;
  --accent-dim: rgba(43, 125, 233, 0.08);
  --border: #e2e6ee;
  --border-light: #d0d5e0;
  --success: #22b573;
  --radius: 8px;
  --radius-lg: 12px;
  --sidebar-width: 320px;
  --header-height: 64px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

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

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.logo svg { width: 32px; height: 32px; }

.logo-accent {
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: block;
  margin-top: -2px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* === FOOTER === */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  font-family: var(--font);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .sidebar { display: none; }
  .main-content { max-width: 100% !important; padding: 24px; }
}

@media (max-width: 640px) {
  .site-header { padding: 0 16px; }
  .main-content { padding: 16px !important; }
  .nav-links { gap: 20px; }
}