/* ==========================================================
   WiFly Trekking Platform - Modern Premium Stylesheet
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', 'Inter', system-ui, sans-serif;

  --bg-color: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  
  --primary-blue: #2563eb;
  --primary-sky: #38bdf8;
  --primary-gradient: linear-gradient(135deg, #2563eb 0%, #38bdf8 100%);
  --accent-glow: rgba(37, 99, 235, 0.25);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.6);
  --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 20px 40px -15px rgba(37, 99, 235, 0.12);
}

.dark {
  --bg-color: #0b0f19;
  --bg-card: #111827;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: #1e293b;
  
  --primary-blue: #3b82f6;
  --primary-sky: #38bdf8;
  --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #38bdf8 100%);
  --accent-glow: rgba(59, 130, 246, 0.3);
  --glass-bg: rgba(17, 24, 39, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

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

html {
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.font-display {
  font-family: var(--font-display);
}

/* Glassmorphism */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}

.glass-strong {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
}

/* Gradients */
.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #38bdf8 50%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dark .gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-gradient {
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 20px -2px rgba(37, 99, 235, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: 9999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px -4px rgba(37, 99, 235, 0.6);
  opacity: 0.96;
}

.btn-gradient:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  transition: all 0.3s ease;
  border-radius: 9999px;
  font-weight: 600;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Hero Glow & Mesh Background */
.hero-glow {
  background: radial-gradient(circle at 50% 30%, rgba(37, 99, 235, 0.25) 0%, rgba(56, 189, 248, 0.05) 50%, transparent 80%);
}

.mesh-bg {
  background-image:
    radial-gradient(40% 40% at 10% 10%, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
    radial-gradient(35% 35% at 90% 20%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
    radial-gradient(40% 40% at 70% 90%, rgba(56, 189, 248, 0.08) 0%, transparent 60%);
}

/* Card Hover */
.card-hover {
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium);
}

/* Section Pad */
.section-pad {
  width: 100%;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .section-pad { padding-left: 2rem; padding-right: 2rem; }
}

@media (min-width: 1024px) {
  .section-pad { padding-left: 2.5rem; padding-right: 2.5rem; }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.5);
}

/* Badges */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Floating Action / WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 40;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -5px rgba(37, 211, 102, 0.5);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.floating-whatsapp:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 15px 30px -5px rgba(37, 211, 102, 0.7);
}

/* Header & Navigation Bar */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
  transition: all 0.3s ease;
}

#header-navbar {
  width: 100%;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

#site-header.scrolled #header-navbar {
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.08);
}

.dark #site-header.scrolled #header-navbar {
  box-shadow: 0 4px 25px -2px rgba(0, 0, 0, 0.5);
}

/* Mobile Nav Drawer */
#mobile-nav {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
}

#mobile-nav.hidden {
  display: none;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
}

/* Toast styling */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-soft);
  font-size: 14px;
  font-weight: 500;
  animation: slideInRight 0.3s ease;
}

.toast.success { border-left: 4px solid #10b981; }
.toast.error { border-left: 4px solid #ef4444; }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Animation utilities */
@keyframes floatUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: floatUp 6s ease-in-out infinite;
}