/**
 * FlyinMate Theme Stylesheet
 * Global theming system for consistent styling across the platform
 * Following 60-30-10 color rule: White (60%), Blue (30%), Orange (10%)
 */

/* ============================================
   CSS VARIABLES - THEME COLORS
   FlyinMate Brand Colors: Blue & Orange (60-30-10 Rule)
   ============================================ */
:root {
    /* Primary Colors - Blue (30% of design) */
    --color-primary: #1E40AF;           /* Blue - Main brand color */
    --color-primary-dark: #1E3A8A;     /* Dark Blue - Hover states */
    --color-primary-light: #3B82F6;    /* Light Blue - Accents */

    /* Accent Colors - Orange (10% of design) */
    --color-accent: #F97316;            /* Orange - CTAs and highlights */
    --color-accent-dark: #EA580C;       /* Dark Orange - Hover states */
    --color-accent-light: #FB923C;      /* Light Orange - Subtle accents */

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Font Family */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================
   TYPOGRAPHY CLASSES
   ============================================ */
.text-primary { color: var(--color-primary); }
.text-primary-dark { color: var(--color-primary-dark); }
.text-accent { color: var(--color-accent); }
.text-accent-dark { color: var(--color-accent-dark); }
.text-white { color: var(--color-white); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-900 { color: var(--color-gray-900); }

/* ============================================
   BACKGROUND CLASSES
   ============================================ */
.bg-primary { background-color: var(--color-primary); }
.bg-primary-dark { background-color: var(--color-primary-dark); }
.bg-accent { background-color: var(--color-accent); }
.bg-accent-dark { background-color: var(--color-accent-dark); }
.bg-white { background-color: var(--color-white); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }

.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-accent { background: var(--gradient-accent); }

/* ============================================
   BUTTON STYLES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-white:hover {
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ============================================
   CARD STYLES
   ============================================ */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
    padding: 5rem 0;
}

.section-hero {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.section-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
    z-index: 0;
}

.section-hero > * {
    position: relative;
    z-index: 1;
}

.section-cta {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 5rem 0;
}

.section-light {
    background-color: var(--color-white);
}

.section-gray {
    background-color: var(--color-gray-50);
}

/* ============================================
   NAVIGATION STYLES
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    transition: color var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    color: var(--color-primary);
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

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

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 768px) {
    .section {
        padding: 3rem 0;
    }

    .section-hero {
        padding: 6rem 0 3rem;
    }
}

/* ============================================
   BADGE STYLES
   ============================================ */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.badge-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.badge-light {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* ============================================
   ICON STYLES
   ============================================ */
.icon-primary { color: var(--color-primary); }
.icon-accent { color: var(--color-accent); }
.icon-white { color: var(--color-white); }

/* ============================================
   FOOTER STYLES
   ============================================ */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: 4rem 0 2rem;
}

.footer-link {
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-accent);
}


/* ============================================
   GLOBAL RESPONSIVE HARDENING (Horizontal overflow prevention)
   ============================================ */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

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

/* Media should never overflow the viewport */
img, svg, video, canvas, iframe {
    max-width: 100%;
    height: auto;
}

/* Prevent flex/grid children from overflowing */
.flex > *, .grid > * {
    min-width: 0;
}

/* Common wide blocks should not force page overflow */
.max-w-7xl, .max-w-6xl, .container {
    overflow-x: hidden;
}

/* Safe utility for horizontally scrollable regions when needed */
.responsive-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}