/*
 * KEEM Driving School - Main Stylesheet
 * Clean, Professional, Futuristic Design with Dark/Light Mode
 */

/* ================================
   CSS VARIABLES & THEMES
================================ */
:root {
    /* Brand Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --accent-color: #f59e0b;
    
    /* Light Theme (Default) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    --gradient-hero: linear-gradient(135deg, rgba(37, 99, 235, 0.5), rgba(16, 185, 129, 0.4));
    
    /* 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;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
    font-size: 100%; /* Base font size for rem calculations */
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background var(--transition-base), color var(--transition-base);
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Fluid typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { 
    font-size: clamp(1.875rem, 4vw, 3rem); /* 30px to 48px */
}

h2 { 
    font-size: clamp(1.5rem, 3.5vw, 2.25rem); /* 24px to 36px */
}

h3 { 
    font-size: clamp(1.25rem, 3vw, 1.875rem); /* 20px to 30px */
}

h4 { 
    font-size: clamp(1.125rem, 2.5vw, 1.5rem); /* 18px to 24px */
}

h5 { 
    font-size: clamp(1rem, 2vw, 1.25rem); /* 16px to 20px */
}

h6 { 
    font-size: clamp(0.875rem, 1.5vw, 1.125rem); /* 14px to 18px */
}

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

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

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Remove focus outline for mouse users */
:focus:not(:focus-visible) {
    outline: none;
}

/* Improved button styles */
button, [type="button"], [type="reset"], [type="submit"] {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Better text selection */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Smooth transitions for theme changes */
* {
    transition: background-color var(--transition-base), 
                border-color var(--transition-base), 
                color var(--transition-base);
}
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Improve touch targets on mobile */
@media (pointer: coarse) {
    button, a, input, select, textarea {
        min-height: 44px;
        min-width: 44px;
    }
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
    -webkit-tap-highlight-color: transparent;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    -webkit-tap-highlight-color: transparent;
}

/* ================================
   UTILITY CLASSES
================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem); /* Fluid container padding */
}

.container-fluid {
    width: 100%;
    padding: 0 clamp(1rem, 4vw, 2rem);
}

.section {
    padding: clamp(2rem, 8vw, 4rem) 0; /* Fluid section padding */
}

.section-header {
    text-align: center;
    margin-bottom: clamp(1.5rem, 6vw, 3rem);
}

.section-title {
    font-size: clamp(1.875rem, 5vw, 3rem); /* Fluid title sizing */
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem); /* Fluid subtitle sizing */
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Responsive Grid System */
.grid {
    display: grid;
    gap: clamp(1rem, 3vw, 2rem); /* Fluid grid gaps */
}

.grid-1 { grid-template-columns: 1fr; }

.grid-2 { 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

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

/* Advanced responsive grid */
.grid-responsive {
    display: grid;
    gap: clamp(1rem, 3vw, 2rem);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

/* Flex utilities with responsive behavior */
.flex { 
    display: flex; 
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.flex-no-wrap { 
    flex-wrap: nowrap; 
}

.flex-col { flex-direction: column; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Responsive spacing */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: clamp(0.5rem, 2vw, 1rem); }
.gap-lg { gap: clamp(1rem, 3vw, 1.5rem); }
.gap-xl { gap: clamp(1.5rem, 4vw, 2rem); }
.gap-2xl { gap: clamp(2rem, 5vw, 3rem); }

/* Responsive margins and padding */
.p-responsive { padding: clamp(1rem, 4vw, 2rem); }
.px-responsive { padding-left: clamp(1rem, 4vw, 2rem); padding-right: clamp(1rem, 4vw, 2rem); }
.py-responsive { padding-top: clamp(1rem, 4vw, 2rem); padding-bottom: clamp(1rem, 4vw, 2rem); }

.m-responsive { margin: clamp(1rem, 4vw, 2rem); }
.mx-responsive { margin-left: clamp(1rem, 4vw, 2rem); margin-right: clamp(1rem, 4vw, 2rem); }
.my-responsive { margin-top: clamp(1rem, 4vw, 2rem); margin-bottom: clamp(1rem, 4vw, 2rem); }

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

/* Responsive text alignment */
@media (max-width: 768px) {
    .text-center-mobile { text-align: center; }
    .text-left-mobile { text-align: left; }
}

.flex { 
    display: flex; 
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.flex-no-wrap { 
    flex-wrap: nowrap; 
}

.flex-col { flex-direction: column; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

/* Responsive spacing */
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: clamp(0.5rem, 2vw, 1rem); }
.gap-lg { gap: clamp(1rem, 3vw, 1.5rem); }
.gap-xl { gap: clamp(1.5rem, 4vw, 2rem); }
.gap-2xl { gap: clamp(2rem, 5vw, 3rem); }

/* Responsive margins and padding */
.p-responsive { padding: clamp(1rem, 4vw, 2rem); }
.px-responsive { padding-left: clamp(1rem, 4vw, 2rem); padding-right: clamp(1rem, 4vw, 2rem); }
.py-responsive { padding-top: clamp(1rem, 4vw, 2rem); padding-bottom: clamp(1rem, 4vw, 2rem); }

.m-responsive { margin: clamp(1rem, 4vw, 2rem); }
.mx-responsive { margin-left: clamp(1rem, 4vw, 2rem); margin-right: clamp(1rem, 4vw, 2rem); }
.my-responsive { margin-top: clamp(1rem, 4vw, 2rem); margin-bottom: clamp(1rem, 4vw, 2rem); }

.grid { 
    display: grid;
    gap: clamp(1rem, 3vw, 2rem);
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Responsive Display Utilities */
.hide-mobile { 
    display: flex !important;
}
.show-mobile { 
    display: none !important;
}
.hide-tablet { 
    display: flex;
}
.show-tablet { 
    display: none;
}
.hide-desktop { 
    display: block;
}
.show-desktop { 
    display: none;
}

/* Ensure buttons in header-actions use proper flex styling */
.header-actions .hide-mobile {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
}

/* Mobile breakpoint (up to 768px) */
@media (max-width: 768px) {
    /* Force hide desktop buttons */
    .hide-mobile, 
    .header-actions .hide-mobile,
    .header-actions .btn.hide-mobile,
    .header-actions a.btn.hide-mobile {
        display: none !important;
        visibility: hidden !important;
    }
    
    /* Force show mobile buttons */
    .show-mobile,
    .header-actions .show-mobile,
    .header-actions .btn.show-mobile,
    .header-actions a.btn.show-mobile {
        display: inline-flex !important;
        visibility: visible !important;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        justify-content: center;
    }
    
    .show-mobile-flex { display: flex !important; }
    .show-mobile-inline { display: inline !important; }
    .show-mobile-grid { display: grid !important; }
    
    /* Hide text spans in mobile buttons */
    .header-actions .show-mobile span,
    .header-actions .btn.show-mobile span {
        display: none !important;
    }
    
    /* Mobile-specific grid adjustments */
    .grid-2-mobile { grid-template-columns: repeat(2, 1fr) !important; }
    .grid-1-mobile { grid-template-columns: 1fr !important; }
}

/* Desktop breakpoint (769px and up) - Ensure mobile elements are hidden */
@media (min-width: 769px) {
    /* Force hide mobile buttons */
    .show-mobile,
    .header-actions .show-mobile,
    .header-actions .btn.show-mobile,
    .header-actions a.btn.show-mobile {
        display: none !important;
        visibility: hidden !important;
    }
    
    /* Force show desktop buttons */
    .hide-mobile,
    .header-actions .hide-mobile,
    .header-actions .btn.hide-mobile,
    .header-actions a.btn.hide-mobile {
        display: inline-flex !important;
        visibility: visible !important;
        align-items: center;
        gap: 0.5rem;
    }
}
    
    /* Mobile-specific flex adjustments */
    .flex-col-mobile { flex-direction: column !important; }
    .flex-row-mobile { flex-direction: row !important; }
    
    /* Mobile text sizes */
    .text-sm-mobile { font-size: var(--font-size-sm) !important; }
    .text-xs-mobile { font-size: var(--font-size-xs) !important; }
}

/* Tablet breakpoint (769px to 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .hide-tablet { display: none !important; }
    .show-tablet { display: block !important; }
    .show-tablet-flex { display: flex !important; }
    .show-tablet-grid { display: grid !important; }
}

/* Desktop breakpoint (1025px and up) */
@media (min-width: 1025px) {
    .hide-desktop { display: none !important; }
    .show-desktop { display: block !important; }
    .show-desktop-flex { display: flex !important; }
    .show-desktop-grid { display: grid !important; }
}

/* ================================
   BUTTONS
================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: clamp(0.75rem, 3vw, 1rem) clamp(1rem, 4vw, 1.5rem); /* Responsive padding */
    font-size: clamp(0.875rem, 2.5vw, 1rem); /* Responsive font size */
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px; /* Better touch targets */
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Override button display for responsive classes in header */
.header-actions .btn.hide-mobile,
.header-actions .btn.show-mobile {
    display: inline-flex;
}

/* Button sizes */
.btn-sm {
    padding: clamp(0.5rem, 2vw, 0.75rem) clamp(0.75rem, 3vw, 1rem);
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    min-height: 36px;
}

.btn-lg {
    padding: clamp(1rem, 4vw, 1.25rem) clamp(1.5rem, 5vw, 2rem);
    font-size: clamp(1rem, 3vw, 1.125rem);
    min-height: 52px;
}

.btn i {
    font-size: 1.1em;
    transition: transform var(--transition-fast);
}

.btn:hover i {
    transform: translateX(2px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    color: white;
}

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

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-outline {
    background: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-white {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-white:hover {
    background: white;
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Button groups */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Mobile button adjustments */
@media (max-width: 768px) {
    .btn {
        width: auto;
        min-width: 120px;
    }
    
    .btn-full-mobile {
        width: 100%;
        justify-content: center;
    }
    
    .btn-group {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-group.btn-group-row-mobile {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* Loading state */
.btn-loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}
}

.btn-white:hover {
    background: var(--bg-secondary);
    color: var(--primary-dark);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* ================================
   HEADER & NAVIGATION
================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="dark"] .header {
    background: rgba(15, 23, 42, 0.95);
}

.header.scrolled {
    box-shadow: 0 4px 20px var(--shadow-color);
    background: var(--bg-primary);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: clamp(70px, 10vw, 80px); /* Responsive header height */
    padding: 0 clamp(1rem, 4vw, 2rem);
    max-width: 1280px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: clamp(1rem, 3vw, 1.25rem); /* Responsive logo size */
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: clamp(35px, 6vw, 50px); /* Responsive logo image */
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text span:first-child {
    color: var(--primary-color);
    font-size: inherit;
}

.logo-text span:last-child {
    font-size: clamp(0.6rem, 1.5vw, 0.75rem);
    color: var(--text-secondary);
    font-weight: 400;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 1.5rem); /* Responsive nav spacing */
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    font-size: clamp(0.875rem, 2vw, 1rem);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.nav-link i {
    font-size: 1.1em;
}

/* Hide nav text on smaller screens, show only icons */
@media (max-width: 1024px) {
    .nav-link span {
        display: none;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        min-width: 40px;
        justify-content: center;
    }
    
    .nav-link i {
        font-size: 1.2em;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 2vw, 1rem);
    flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg);
}

/* Mobile menu toggle - Hidden on desktop, shown on mobile */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: var(--z-modal);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: all var(--transition-base);
    border-radius: 2px;
}

/* Animated hamburger menu */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive header adjustments */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-actions .btn span {
        display: none;
    }
    
    .header-actions .btn {
        padding: var(--spacing-sm);
        min-width: 44px;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .header-inner {
        padding: 0 1rem;
    }
    
    .logo-text span:last-child {
        display: none;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.theme-toggle i {
    font-size: 1.25rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

.mobile-menu-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.mobile-menu-toggle.active i::before {
    content: "\f00d"; /* Font Awesome times icon */
}

/* ================================
   HERO SLIDER
================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 900px;
    margin-top: 80px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: var(--spacing-xl);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: var(--spacing-sm);
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active,
.slider-dot:hover {
    background: white;
    transform: scale(1.2);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 3;
    pointer-events: none;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    pointer-events: auto;
    backdrop-filter: blur(10px);
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* ================================
   FEATURES SECTION (Why Choose Us)
================================ */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-2xl);
    color: white;
}

.feature-card:nth-child(2) .feature-icon {
    background: var(--gradient-secondary);
}

.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--accent-color), #ea580c);
}

.feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
}

.feature-card:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, #ec4899, #f43f5e);
}

.feature-card:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ================================
   PROGRAMS/COURSES SECTION
================================ */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.program-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.program-image {
    position: relative;
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.program-image i {
    font-size: 4rem;
    color: white;
    opacity: 0.8;
}

.program-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--secondary-color);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.program-content {
    padding: var(--spacing-xl);
}

.program-category {
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.program-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.program-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.program-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.program-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.program-meta-item i {
    color: var(--primary-color);
}

.program-price {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.program-price-original {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: var(--spacing-sm);
}

.program-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg);
}

/* ================================
   BRANCHES SECTION
================================ */
.branches {
    background: var(--bg-secondary);
}

.branches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.branch-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.branch-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.branch-image {
    height: 180px;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.branch-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.branch-image i {
    font-size: 3rem;
    color: white;
    opacity: 0.8;
}

.branch-content {
    padding: var(--spacing-xl);
}

.branch-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.branch-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.branch-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.branch-info-item i {
    color: var(--primary-color);
    margin-top: 2px;
}

.branch-main-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-color);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-top: var(--spacing-md);
}

/* ================================
   TESTIMONIALS SECTION
================================ */
.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-card {
    background: var(--bg-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-content {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: var(--spacing-xl);
}

.testimonial-content::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    display: block;
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.testimonial-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.testimonial-rating {
    margin-top: var(--spacing-md);
    color: var(--accent-color);
}

/* ================================
   CTA SECTION
================================ */
.cta {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ================================
   FOOTER
================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
}

.footer-brand {
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-contact-item i {
    color: var(--primary-color);
    margin-top: 2px;
}

.footer-bottom {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.footer-legal-links {
    margin-top: var(--spacing-sm);
}

.footer-legal-links a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
    color: var(--primary-color);
}

.footer-legal-links .separator {
    margin: 0 var(--spacing-sm);
    color: var(--border-color);
}

/* ================================
   PAGE HEADER
================================ */
.page-header {
    background: var(--gradient-primary);
    padding: var(--spacing-3xl) 0;
    margin-top: 80px;
    text-align: center;
    color: white;
}

.page-header-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-label .required {
    color: #ef4444;
}

.form-control {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
    padding-right: 40px;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-check-input {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    cursor: pointer;
}

.form-check-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.form-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.form-error {
    color: #ef4444;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Form validation styles */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.05);
    animation: shake 0.3s ease-in-out;
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Shake animation for invalid fields */
@keyframes shake {
    0%, 20%, 40%, 60%, 80% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-3px);
    }
}

/* ================================
   CARDS
================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Responsive card images */
.card img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Card grid layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

/* ================================
   ALERTS
================================ */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #059669;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #dc2626;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #d97706;
}

.alert-info {
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.3);
    color: #2563eb;
}

/* ================================
   FILE UPLOAD
================================ */
.file-upload {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.file-upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.file-upload-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

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

.file-preview {
    display: none;
    margin-top: var(--spacing-md);
}

.file-preview.show {
    display: block;
}

.file-preview img {
    max-width: 200px;
    max-height: 150px;
    border-radius: var(--radius-md);
    margin: 0 auto;
}

/* ================================
   TABS
================================ */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tab {
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    white-space: nowrap;
}

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

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ================================
   STEPPER (Application Form)
================================ */
.stepper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.stepper-item {
    display: flex;
    align-items: center;
    flex: 1;
    max-width: 200px;
}

.stepper-item:last-child {
    flex: 0;
}

.stepper-circle {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.stepper-item.active .stepper-circle {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.stepper-item.completed .stepper-circle {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.stepper-line {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    margin: 0 var(--spacing-md);
}

.stepper-item.completed .stepper-line {
    background: var(--secondary-color);
}

.stepper-label {
    display: none;
}

/* ================================
   MODAL
================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ================================
   LOADING SPINNER
================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

[data-theme="dark"] .loading-overlay {
    background: rgba(15, 23, 42, 0.9);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease;
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease;
}

/* ================================
   MOBILE NAVIGATION
================================ */
.mobile-nav {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: calc(var(--z-sticky) - 1);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

/* Hide mobile nav on desktop */
@media (min-width: 769px) {
    .mobile-nav {
        display: none !important;
    }
}

.mobile-nav-container {
    position: absolute;
    top: 0;
    right: -100%;
    width: min(300px, 80vw);
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-base);
    overflow-y: auto;
    padding-top: 80px;
}

.mobile-nav.open .mobile-nav-container {
    right: 0;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg) 0;
    margin: 0;
    list-style: none;
}

.mobile-nav-item {
    margin: 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 4px solid transparent;
    font-size: var(--font-size-lg);
    min-height: 60px;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    transform: translateX(4px);
}

.mobile-nav-link i {
    font-size: 1.3em;
    width: 24px;
    text-align: center;
}

/* Mobile nav header */
.mobile-nav-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

/* Mobile nav footer */
.mobile-nav-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.mobile-nav-footer .btn {
    width: 100%;
    justify-content: center;
}

/* Show mobile nav on mobile devices */
@media (max-width: 768px) {
    .mobile-nav {
        display: block;
    }
}

/* Close mobile nav when clicking outside */
.mobile-nav-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

/* Slide animation for mobile nav items */
.mobile-nav.open .mobile-nav-link {
    animation: slideInFromRight 0.3s ease forwards;
}

.mobile-nav-link:nth-child(1) { animation-delay: 0.1s; }
.mobile-nav-link:nth-child(2) { animation-delay: 0.2s; }
.mobile-nav-link:nth-child(3) { animation-delay: 0.3s; }
.mobile-nav-link:nth-child(4) { animation-delay: 0.4s; }
.mobile-nav-link:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Dark theme adjustments */
[data-theme="dark"] .mobile-nav-container {
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

/* Prevent body scroll when mobile nav is open */
body.mobile-nav-open {
    overflow: hidden;
    height: 100vh;
}
    bottom: 0;
    background: var(--bg-primary);
    z-index: var(--z-fixed);
    padding: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    min-height: 48px; /* Touch-friendly minimum height */
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.mobile-nav-link i {
    width: 24px;
    text-align: center;
    font-size: 1.2em;
    flex-shrink: 0;
}

.mobile-nav-link span {
    flex: 1;
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

/* ================================
   RESPONSIVE DESIGN
================================ */

/* Large Tablets and Small Desktops (1024px and below) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .features-grid,
    .programs-grid,
    .branches-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

/* Tablets (768px and below) */
@media (max-width: 768px) {
    :root {
        --spacing-3xl: 2.5rem;
        --spacing-2xl: 2rem;
    }
    
    /* Header Adjustments */
    .header-inner {
        height: 70px;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .logo i {
        font-size: 1.5rem !important;
    }
    
    .logo-text span:last-child {
        font-size: 0.65rem;
    }
    
    /* Navigation */
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
        top: 70px;
    }
    
    .header-actions .btn {
        display: none;
    }
    
    .header-actions .btn-primary span {
        display: none;
    }
    
    .theme-toggle {
        width: 40px;
        height: 40px;
    }
    
    /* Hero Section */
    .hero {
        margin-top: 70px;
        min-height: 500px;
        max-height: 700px;
    }
    
    .hero-content {
        padding: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Sections */
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Grids */
    .features-grid,
    .programs-grid,
    .branches-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Cards */
    .feature-card,
    .program-card,
    .branch-card,
    .testimonial-card {
        padding: var(--spacing-lg);
    }
    
    .card-header,
    .card-body {
        padding: var(--spacing-lg);
    }
    
    .card-footer {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .card-title {
        font-size: var(--font-size-base);
    }
    
    .card-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .footer-contact-item {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    /* Slider */
    .slider-arrows {
        display: none;
    }
    
    .slider-controls {
        bottom: var(--spacing-lg);
    }
    
    /* Page Header */
    .page-header {
        padding: var(--spacing-2xl) 0 var(--spacing-xl);
    }
    
    .page-header-title {
        font-size: var(--font-size-2xl);
    }
    
    .breadcrumb {
        font-size: var(--font-size-sm);
    }
    
    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    /* Stepper */
    .stepper {
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .stepper-item {
        max-width: 100px;
        min-width: 80px;
    }
    
    .stepper-circle {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-sm);
    }
    
    .stepper-label {
        font-size: var(--font-size-xs);
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* CTA */
    .cta-content {
        padding: var(--spacing-xl);
    }
    
    .cta-title {
        font-size: var(--font-size-xl);
    }
    
    /* Tabs - Make scrollable on mobile */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: var(--spacing-xs);
        justify-content: flex-start;
    }
    
    .tab {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* Contact Form grid */
    .contact-grid,
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: repeat(2, 1fr)"] {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
    }
    
    /* Fix inline styled grids on mobile */
    .grid[style*="grid-template-columns: 1fr 1fr"],
    .grid[style*="grid-template-columns: repeat(2, 1fr)"] {
        grid-template-columns: 1fr !important;
    }
}

/* Mobile Phones (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-3xl: 2rem;
        --spacing-2xl: 1.5rem;
    }
    
    /* Container */
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Header */
    .header-inner {
        height: 60px;
        padding: 0 var(--spacing-sm);
    }
    
    .logo {
        font-size: var(--font-size-base);
    }
    
    .logo i {
        font-size: 1.25rem !important;
    }
    
    .logo-text span:last-child {
        font-size: 0.6rem;
    }
    
    .theme-toggle,
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    /* Mobile Navigation */
    .mobile-nav {
        top: 60px;
        padding: var(--spacing-lg);
    }
    
    .mobile-nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    /* Hero */
    .hero {
        margin-top: 60px;
        min-height: 450px;
        max-height: 600px;
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .hero-buttons .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .hero-buttons .btn i {
        font-size: 1rem;
    }
    
    /* Sections */
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: var(--font-size-sm);
    }
    
    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
        gap: var(--spacing-xs);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
    
    .btn-sm {
        padding: 0.4rem var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    /* Cards */
    .feature-card,
    .program-card,
    .branch-card,
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    .card-header,
    .card-body {
        padding: var(--spacing-md);
    }
    
    .card-footer {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .card:hover,
    .feature-card:hover,
    .program-card:hover,
    .branch-card:hover {
        transform: translateY(-4px);
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-icon i {
        font-size: 1.25rem;
    }
    
    .feature-title,
    .program-title,
    .branch-name {
        font-size: var(--font-size-base);
    }
    
    .feature-text,
    .program-description {
        font-size: var(--font-size-sm);
    }
    
    /* Grids */
    .features-grid,
    .programs-grid,
    .branches-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    /* Override inline styled grids */
    .grid[style*="grid-template-columns"],
    [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    
    /* Forms */
    .form-control {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .form-label {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    
    /* Form rows - all single column on mobile */
    .form-row,
    .grid[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-sm) !important;
    }
    
    /* Tables */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        font-size: var(--font-size-xs);
    }
    
    th, td {
        padding: var(--spacing-sm);
    }
    
    /* Page Header */
    .page-header {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .page-header-title {
        font-size: var(--font-size-xl);
    }
    
    .breadcrumb {
        font-size: var(--font-size-xs);
    }
    
    /* Slider Controls */
    .slider-controls {
        bottom: var(--spacing-md);
    }
    
    .slider-dot {
        width: 8px;
        height: 8px;
    }
    
    /* Footer */
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .footer-section h3 {
        font-size: var(--font-size-base);
    }
    
    .footer-links a,
    .footer-contact-item {
        font-size: var(--font-size-sm);
    }
    
    .footer-bottom {
        font-size: var(--font-size-xs);
        padding-top: var(--spacing-md);
    }
    
    /* Stepper */
    .stepper-item {
        max-width: 70px;
        min-width: 60px;
    }
    
    .stepper-circle {
        width: 32px;
        height: 32px;
        font-size: var(--font-size-xs);
    }
    
    .stepper-label {
        font-size: 0.65rem;
    }
    
    .stepper-line {
        height: 2px;
    }
    
    /* CTA Section */
    .cta-content {
        padding: var(--spacing-lg);
    }
    
    .cta-title {
        font-size: var(--font-size-lg);
    }
    
    .cta-text {
        font-size: var(--font-size-sm);
    }
    
    /* Modal */
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .modal-header h2 {
        font-size: var(--font-size-lg);
    }
    
    /* Alerts */
    .alert {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    /* Program Card Price */
    .program-price {
        font-size: var(--font-size-lg);
    }
    
    .program-duration,
    .program-lessons {
        font-size: var(--font-size-xs);
    }
}

/* Small Mobile Phones (360px and below) */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-lg);
    }
    
    .btn {
        padding: 0.5rem var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
}

/* ================================
   PRINT STYLES
================================ */
@media print {
    .header,
    .footer,
    .mobile-nav,
    .slider-controls,
    .slider-arrows,
    .btn {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        margin-top: 0;
        height: auto;
        min-height: auto;
    }
}