/* --- Quickfitr Shared Website Design System --- */

:root {
  --primary: #FFFFFF;
  --secondary: #0D0F14;    /* App Background Deep Dark */
  --accent-bg: #1A1C1F;    /* Card Surface */
  --border: rgba(255, 255, 255, 0.08);
  --muted: #888888;
  --signature: #0057FF;    /* Quickfitr Blue */
  --signature-glow: rgba(0, 87, 255, 0.3);
  --glass: rgba(26, 28, 31, 0.7);
  --success: #32D74B;
  --error: #FF453A;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--secondary);
  color: var(--primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  border: none;
  font-family: inherit;
  letter-spacing: 0.5px;
}

.btn-primary {
  background-color: var(--signature);
  color: white;
  box-shadow: 0 8px 20px var(--signature-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px var(--signature-glow);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--accent-bg);
  border-color: var(--signature);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.05);
}

/* --- GLASSMORPHISM --- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}

/* --- LOGO --- */
.logo {
  font-size: 24px;
  font-weight: 900;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -1.5px;
}

.logo span {
  color: var(--signature);
}

/* --- ANIMATIONS --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  animation: fadeIn 0.8s ease forwards;
}

/* --- SKELETON LOADER (Web Version) --- */
.skeleton {
  background: linear-gradient(90deg, #1A1C1F 25%, #222529 50%, #1A1C1F 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 8px;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 20px 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

header.scrolled {
  padding: 12px 0;
  background: rgba(13, 15, 20, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  transition: color 0.2s;
}

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

/* --- UTILS --- */
.text-signature { color: var(--signature); }
.text-muted { color: var(--muted); }
.mt-40 { margin-top: 40px; }
.mb-60 { margin-bottom: 60px; }