/**
 * Tija Kids Website - Main Stylesheet
 * Version: 2.0
 * Last Updated: June 2026
 * 
 * This stylesheet provides consistent styling across all Tija Kids website pages.
 * Design: Playful, bold, and family-friendly with African pride.
 */

/* ============================================
   CSS VARIABLES (Design Tokens)
   ============================================ */
:root {
    /* Brand Colors */
    --primary: #089888;
    --primary-light: #0ab89f;
    --primary-dark: #037a6b;
    --secondary: #6858d8;
    --accent: #f8b808;
    --accent-dark: #e0a607;
    --ink: #182868;
    
    /* Neutral Colors */
    --soft-teal: #e6f4f3;
    --off-white: #f8fcfb;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-display: 'Fredoka', 'Poppins', sans-serif;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 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: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --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-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--off-white);
    color: var(--ink);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.2;
    color: var(--ink);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    font-weight: 600;
    transition: color var(--transition-base);
}

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

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(8, 152, 136, 0.3);
    border: none;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 152, 136, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--ink);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: translateY(100%);
    transition: transform var(--transition-slow) cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 100;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.3);
    max-height: 85vh;
    overflow-y: auto;
}

.mobile-menu.open {
    transform: translateY(0);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 99;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 700;
    text-align: center;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(8, 152, 136, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(8, 152, 136, 0.4);
}

.btn-accent {
    background: var(--accent);
    color: var(--ink);
    box-shadow: 0 4px 15px rgba(248, 184, 8, 0.3);
}

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(248, 184, 8, 0.4);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
    border-radius: var(--radius-full);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.card-bordered {
    border: 3px solid transparent;
}

.card-bordered:hover {
    border-color: var(--primary);
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: var(--spacing-3xl) var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    font-size: 1.125rem;
    color: rgba(24, 40, 104, 0.6);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--soft-teal) 0%, white 100%);
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(248, 184, 8, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    font-weight: 700;
}

.badge-pulse {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 4px 20px rgba(248, 184, 8, 0.3); }
    50% { box-shadow: 0 4px 30px rgba(248, 184, 8, 0.6); }
}

.live-dot {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    animation: ping 1.5s ease-in-out infinite;
}

@keyframes ping {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--ink);
}

.form-input {
    width: 100%;
    padding: 0.75rem var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-base);
}

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

.form-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gray-100);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    transition: background var(--transition-base);
}

.modal-close:hover {
    background: var(--gray-200);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--ink);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading-shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-xl);
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

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

.text-primary {
    color: var(--primary);
}

.text-accent {
    color: var(--accent);
}

.bg-soft-teal {
    background: var(--soft-teal);
}

.bg-white {
    background: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 3rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    nav,
    footer,
    .mobile-menu,
    .modal {
        display: none;
    }
    
    body {
        background: white;
    }
}