/* ===== PREMIUM ENGLISH MASTERY WEBSITE STYLES ===== */


/* CSS Variables - Premium Color System */

:root {
    /* Primary Purple Palette */
    --primary: #8B5CF6;
    --primary-light: #A855F7;
    --primary-dark: #7C3AED;
    --primary-50: #F5F3FF;
    --primary-100: #EDE9FE;
    --primary-200: #DDD6FE;
    --primary-500: #8B5CF6;
    --primary-600: #7C3AED;
    --primary-700: #6D28D9;
    /* Secondary & Accent Colors */
    --secondary: #06B6D4;
    --accent: #F59E0B;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    /* Neutral Palette */
    --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;
    /* Theme Colors - Light Mode */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --card-bg: #FFFFFF;
    --text: #111827;
    --text-light: #6B7280;
    --text-muted: #9CA3AF;
    --border: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    --shadow-xl: rgba(0, 0, 0, 0.25);
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #A855F7 100%);
    --gradient-secondary: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-hero: linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 50%, #DDD6FE 100%);
    --gradient-text: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    /* Typography Scale */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;
    --font-6xl: 3.75rem;
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}


/* Dark Theme Variables */

[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --card-bg: #1E293B;
    --text: #F1F5F9;
    --text-light: #CBD5E1;
    --text-muted: #94A3B8;
    --border: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-lg: rgba(0, 0, 0, 0.4);
    --shadow-xl: rgba(0, 0, 0, 0.5);
    --gradient-hero: linear-gradient(135deg, #1E293B 0%, #334155 50%, #475569 100%);
}


/* ===== BASE STYLES ===== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}


/* ===== PREMIUM TYPOGRAPHY ===== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--font-5xl);
}

h2 {
    font-size: var(--font-4xl);
}

h3 {
    font-size: var(--font-3xl);
}

h4 {
    font-size: var(--font-2xl);
}

h5 {
    font-size: var(--font-xl);
}

h6 {
    font-size: var(--font-lg);
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-light);
    line-height: 1.7;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}


/* ===== PREMIUM BUTTONS ===== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

.btn-premium {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-lg);
    border-radius: var(--radius-xl);
    font-weight: 700;
}

.btn-large {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-xl);
    border-radius: var(--radius-2xl);
}


/* ===== PREMIUM CARDS ===== */

.premium-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

.premium-card:hover::before {
    transform: scaleX(1);
}


/* ===== NAVIGATION ===== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

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

.premium-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    /* Make the logo icon round */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-xl);
    overflow: hidden;
    /* Ensure child image stays round */
}

.logo-icon img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    /* Make the image round */
    object-fit: cover;
    display: block;
}

.brand-text h2 {
    margin: 0;
    font-size: var(--font-2xl);
    font-weight: 800;
    color: var(--text);
}

.brand-tagline {
    font-size: var(--font-sm);
    color: var(--text-light);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

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

.nav-link:hover::after {
    width: 100%;
}

.premium-cta {
    background: var(--gradient-primary);
    color: white !important;
    border-radius: var(--radius-full);
    padding: var(--space-3) var(--space-6);
}

.premium-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.premium-theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border);
    color: var(--text);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.premium-theme-toggle:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: var(--text);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}


/* ===== HERO SECTION ===== */

.premium-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 100px;
}

.hero-background {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: url('assets/English_classroom_hero_background.png') center center/cover no-repeat;
}

.hero-background::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(20, 24, 32, 0.55); /* subtle dark overlay */
    pointer-events: none;
    z-index: 1;
}

.hero .container,
.hero-content {
    position: relative;
    z-index: 2;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(168, 85, 247, 0.1));
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
    animation-delay: var(--delay, 0s);
}

.float-element:nth-child(1) {
    top: 10%;
    right: 10%;
}

.float-element:nth-child(2) {
    bottom: 20%;
    left: 5%;
    width: 150px;
    height: 150px;
}

.float-element:nth-child(3) {
    top: 50%;
    right: 20%;
    width: 100px;
    height: 100px;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(-40px) rotate(180deg);
    }
    75% {
        transform: translateY(-20px) rotate(270deg);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(19, 18, 18, 0.1);
    color: var(--warning);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 600;
    margin-bottom: var(--space-6);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.hero-title {
    font-size: var(--font-6xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: var(--gray-100);
}

.hero-subtitle {
    font-size: var(--font-xl);
    color: var(--gray-100);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--card-bg);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: 0 4px 15px var(--shadow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-lg);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-2xl);
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--text-light);
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
}

.hero-visual {
    position: relative;
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.expertise-badge {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    background: var(--card-bg);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--primary);
    box-shadow: 0 8px 25px var(--shadow);
    backdrop-filter: blur(10px);
}

.floating-cards {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--text);
    box-shadow: 0 8px 25px var(--shadow);
    animation: floatCard 15s infinite ease-in-out;
    animation-delay: var(--delay, 0s);
    border: 1px solid var(--border);
}

.floating-card:nth-child(1) {
    top: 20%;
    right: -20px;
}

.floating-card:nth-child(2) {
    bottom: 30%;
    left: -20px;
}

.floating-card:nth-child(3) {
    top: 70%;
    right: 20px;
}

.floating-card i {
    color: var(--primary);
}

@keyframes floatCard {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}


/* ===== SECTION HEADERS ===== */

.premium-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-tag {
    display: inline-block;
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
    border: 1px solid rgba(139, 92, 246, 0.2);
}


/* ===== ABOUT SECTION ===== */

.premium-about {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.premium-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.expertise-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.expertise-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
}

.expertise-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-2xl);
    flex-shrink: 0;
}

.expertise-content h4 {
    margin-bottom: var(--space-2);
    color: var(--text);
}

.expertise-content p {
    color: var(--text-light);
    margin-bottom: var(--space-3);
}

.expertise-metrics {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.metric {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-sm);
    color: var(--primary);
    font-weight: 500;
}

.metric i {
    color: var(--success);
}

.achievement-stats {
    margin-top: var(--space-8);
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(168, 85, 247, 0.05));
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.stat-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

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

.achievement-number {
    display: block;
    font-size: var(--font-4xl);
    font-weight: 900;
    color: var(--primary);
    margin-bottom: var(--space-1);
}

.achievement-label {
    font-size: var(--font-sm);
    color: var(--text-light);
    font-weight: 500;
}

.visual-content {
    position: relative;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-2xl);
    box-shadow: 0 20px 40px var(--shadow-xl);
}

.success-highlights {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.highlight-bubble {
    position: absolute;
    background: var(--card-bg);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--text);
    box-shadow: 0 8px 25px var(--shadow);
    animation: fadeInUp 1s ease-out forwards;
    animation-delay: var(--delay, 0s);
    opacity: 0;
}

.highlight-bubble:nth-child(1) {
    top: var(--space-6);
    right: var(--space-6);
}

.highlight-bubble:nth-child(2) {
    top: 50%;
    left: -20px;
}

.highlight-bubble:nth-child(3) {
    bottom: var(--space-6);
    right: var(--space-6);
}

.highlight-bubble i {
    color: var(--primary);
}

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


/* ===== COURSES SECTION ===== */

.premium-courses {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.course-announcement {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    margin-top: var(--space-8);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.premium-announcement {
    justify-content: center;
    text-align: center;
}

.announcement-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-success);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-lg);
}

.announcement-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.announcement-title {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--success);
}

.announcement-subtitle {
    font-size: var(--font-base);
    color: var(--text-light);
}

.course-category {
    margin-bottom: var(--space-16);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 3px solid var(--primary);
}

.category-title i {
    color: var(--primary);
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.premium-course-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.premium-course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px var(--shadow-xl);
    border-color: var(--primary);
}

.card-header {
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.course-badges {
    display: flex;
    gap: var(--space-2);
}

.badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.free-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.premium-badge {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.level-badge {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    font-size: var(--font-xs);
    font-weight: 600;
}

.level-badge.beginner {
    background: rgba(34, 197, 94, 0.1);
    color: #16A34A;
}

.level-badge.intermediate {
    background: rgba(59, 130, 246, 0.1);
    color: #2563EB;
}

.level-badge.advanced {
    background: rgba(239, 68, 68, 0.1);
    color: #DC2626;
}

.level-badge.professional {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
}

.course-rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: 600;
    color: var(--warning);
}

.card-content {
    padding: var(--space-6);
}

.card-content h4 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-3);
}

.card-content p {
    color: var(--text-light);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.course-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-sm);
    color: var(--text-light);
}

.feature i {
    color: var(--primary);
    width: 16px;
}

.course-highlights {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.highlight {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    font-size: var(--font-xs);
    font-weight: 500;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.card-footer {
    padding: 0 var(--space-6) var(--space-6);
}

.premium-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-4);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    pointer-events: auto;
}

.premium-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.premium-link:hover::before {
    left: 100%;
}

.premium-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.featured-course {
    position: relative;
    border: 3px solid var(--warning);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    z-index: 10;
}

.featured-link {
    background: linear-gradient(135deg, var(--warning), #F59E0B);
}

.coming-soon-card {
    opacity: 0.8;
    background: linear-gradient(135deg, var(--card-bg), rgba(245, 158, 11, 0.05));
}

.coming-soon-badge {
    position: absolute;
    top: -8px;
    right: var(--space-4);
    background: var(--warning);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    z-index: 10;
}

.coming-soon-badge-small {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.notify-link {
    background: var(--text-light);
    color: white;
    cursor: not-allowed;
    opacity: 0.7;
}

.notify-link:hover {
    transform: none;
    box-shadow: none;
}


/* ===== TOOLS SECTION ===== */

.premium-tools {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.premium-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.premium-tool-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.premium-tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px var(--shadow-xl);
    border-color: var(--primary);
}

.tool-header {
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tool-icon-container {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-2xl);
}

.tool-rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: 600;
    color: var(--warning);
}

.tool-content {
    padding: var(--space-6);
}

.tool-content h4 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-3);
}

.tool-content p {
    color: var(--text-light);
    margin-bottom: var(--space-4);
}

.tool-features {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.tool-footer {
    padding: 0 var(--space-6) var(--space-6);
}

.premium-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.premium-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.premium-details {
    margin-top: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: none;
}

.premium-details.active {
    display: block;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.setup-steps h5 {
    margin-bottom: var(--space-3);
    color: var(--text);
}

.setup-steps ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-4);
}

.setup-steps li {
    margin-bottom: var(--space-2);
    color: var(--text-light);
    line-height: 1.6;
}

.pro-tip {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-4);
}

.pro-tip i {
    color: var(--warning);
    margin-top: 2px;
}


/* ===== SERVICES SECTION ===== */

.premium-services {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.premium-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.premium-service-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.premium-service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px var(--shadow-xl);
    border-color: var(--primary);
}

.service-header {
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-2xl);
}

.service-badge {
    background: var(--warning);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
    position: absolute;
    top: -8px;
    right: var(--space-4);
}

.service-content {
    padding: var(--space-6);
}

.service-content h4 {
    font-size: var(--font-xl);
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-3);
}

.service-content p {
    color: var(--text-light);
    margin-bottom: var(--space-4);
}

.service-features {
    margin-bottom: var(--space-6);
}

.service-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
}

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

.timeline {
    font-size: var(--font-sm);
    color: var(--text-light);
    font-weight: 500;
}


/* ===== PREMIUM TESTIMONIAL SECTION ===== */

.testimonials {
    background: var(--bg-secondary);
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100" fill="none" opacity="0.03"><path d="M50 0L100 50L50 100L0 50L50 0Z" stroke="%238B5CF6" stroke-width="2"/></svg>');
    background-size: 120px;
    opacity: 0.05;
    z-index: 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    position: relative;
    z-index: 1;
}

.section-tag {
    display: inline-block;
    background: var(--primary-100);
    color: var(--primary-600);
    font-size: var(--font-sm);
    font-weight: 600;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.section-title {
    font-size: var(--font-4xl);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-8);
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 80px;
    color: var(--primary-100);
    font-family: serif;
    line-height: 1;
    opacity: 0.5;
    z-index: 0;
}

.testimonial-card::after {
    position: absolute;
    bottom: 20px;
    right: 20px;
    font-size: 80px;
    color: var(--primary-100);
    font-family: serif;
    line-height: 1;
    opacity: 0
    z-index: 0;
    transform: rotate(180deg);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-200);
}

.testimonial-card.featured {
    grid-column: span 2;
    background: var(--gradient-hero);
    border-color: var(--primary-200);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
}

.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: bold;
    font-size: var(--font-lg);
    margin-right: var(--space-4);
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.testimonial-info {
    flex: 1;
}

.testimonial-name {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: var(--text);
}

.testimonial-role {
    font-size: var(--font-sm);
    color: var(--primary-500);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.testimonial-date {
    font-size: var(--font-xs);
    color: var(--text-muted);
}

.testimonial-rating {
    color: var(--warning);
    font-size: var(--font-sm);
    margin-top: var(--space-2);
}

.testimonial-content {
    font-size: var(--font-base);
    line-height: 1.8;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.testimonial-cta {
    text-align: center;
    margin-top: var(--space-16);
    position: relative;
    z-index: 1;
}

.testimonial-cta p {
    font-size: var(--font-xl);
    margin-bottom: var(--space-6);
    color: var(--text);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}


/* Responsive adjustments */

@media (max-width: 1024px) {
    .testimonial-card.featured {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--font-3xl);
    }
    .section-subtitle {
        font-size: var(--font-base);
    }
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}


/* ===== BOOKING SECTION ===== */

.premium-booking {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.premium-booking-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-16);
    align-items: center;
}

.booking-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.benefit-item {
    display: flex;
    gap: var(--space-4);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-lg);
    flex-shrink: 0;
}

.benefit-content h4 {
    margin-bottom: var(--space-2);
    color: var(--text);
}

.benefit-content p {
    color: var(--text-light);
    margin: 0;
}

.booking-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.premium-booking-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.premium-booking-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px var(--shadow-xl);
    border-color: var(--primary);
}

.featured-booking {
    border-color: var(--warning);
    position: relative;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-lg);
}

.card-badge {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
    margin-top: var(--space-2);
}

.pricing {
    margin: var(--space-4) 0;
    text-align: center;
}

.pricing .price {
    display: block;
    font-size: var(--font-2xl);
    font-weight: 800;
    color: var(--primary);
}

.pricing .period {
    font-size: var(--font-sm);
    color: var(--text-light);
}

.features-list {
    list-style: none;
    margin: var(--space-4) 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--font-sm);
    color: var(--text-light);
}

.features-list i {
    color: var(--success);
    width: 16px;
}


/* ===== FOOTER ===== */

.premium-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand .brand-logo {
    margin-bottom: var(--space-4);
}

.brand-description {
    color: var(--text-light);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-links a {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-section h4 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--space-4);
}

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

.footer-section ul li {
    margin-bottom: var(--space-2);
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-6);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-light);
    margin: 0;
}

.footer-badges {
    display: flex;
    gap: var(--space-4);
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 500;
    border: 1px solid rgba(139, 92, 246, 0.2);
}


/* ===== PREMIUM ANIMATIONS & EFFECTS ===== */


/* Scroll Progress Bar */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: var(--z-tooltip);
    transition: width 0.3s ease;
}


/* Back to Top Button */

.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: var(--font-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

.back-to-top:hover {
    transform: translateY(0) scale(1.1);
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.6);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}


/* Animation Classes */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}


/* Ripple Effect */

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    pointer-events: none;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}


/* Notification System */

.notification {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    max-width: 400px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    box-shadow: 0 10px 30px var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: var(--z-modal);
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.notification-close {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius);
    transition: color var(--transition-fast);
}

.notification-close:hover {
    color: var(--text);
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-error {
    border-left: 4px solid var(--error);
}

.notification-warning {
    border-left: 4px solid var(--warning);
}

.notification-info {
    border-left: 4px solid var(--primary);
}


/* Mobile Navigation Styles */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-top: none;
        border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
        padding: var(--space-6);
        flex-direction: column;
        gap: var(--space-4);
        transition: all var(--transition-normal);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        box-shadow: 0 10px 30px var(--shadow-xl);
        z-index: var(--z-dropdown);
    }
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        top: calc(100% - 1px);
    }
    .nav-link {
        padding: var(--space-3) var(--space-4);
        border-radius: var(--radius-lg);
        text-align: center;
        font-size: var(--font-lg);
    }
    .premium-cta {
        margin-top: var(--space-2);
    }
}


/* Enhanced Hover Effects */

.premium-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px var(--shadow-xl);
}

.course-card:hover .course-link {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.tool-card:hover .tool-icon-container {
    transform: scale(1.1) rotate(5deg);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
}


/* Loading States */

.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}


/* High Contrast Mode */

.high-contrast {
    --primary: #0000FF;
    --text: #000000;
    --bg-primary: #FFFFFF;
    --border: #000000;
}


/* Keyboard Navigation */

.keyboard-navigation *:focus {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}


/* Premium Gradient Text Effects */

.gradient-text {
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-text);
    opacity: 0;
    transition: opacity var(--transition-normal);
    -webkit-background-clip: text;
    background-clip: text;
}

.gradient-text:hover::after {
    opacity: 1;
}


/* Enhanced Focus States */

.btn:focus,
.premium-link:focus,
.nav-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}


/* Scroll Triggered Animations */

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

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

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}


/* Apply animations with delays */

.expertise-item:nth-child(1) {
    animation: slideInLeft 0.8s ease-out forwards;
}

.expertise-item:nth-child(2) {
    animation: slideInLeft 0.8s ease-out 0.2s forwards;
}

.expertise-item:nth-child(3) {
    animation: slideInLeft 0.8s ease-out 0.4s forwards;
}

.course-card:nth-child(1) {
    animation: slideInUp 0.8s ease-out forwards;
}

.course-card:nth-child(2) {
    animation: slideInUp 0.8s ease-out 0.1s forwards;
}

.course-card:nth-child(3) {
    animation: slideInUp 0.8s ease-out 0.2s forwards;
}

.course-card:nth-child(4) {
    animation: slideInUp 0.8s ease-out 0.3s forwards;
}

.testimonial-card:nth-child(1) {
    animation: fadeInScale 0.8s ease-out forwards;
}

.testimonial-card:nth-child(2) {
    animation: fadeInScale 0.8s ease-out 0.2s forwards;
}

.testimonial-card:nth-child(3) {
    animation: fadeInScale 0.8s ease-out 0.4s forwards;
}


/* Navbar Scroll States */

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(15, 23, 42, 0.98);
}


/* Enhanced Image Loading */

img {
    transition: opacity var(--transition-normal);
}

img:not(.loaded) {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}


/* Premium Button Variations */

.btn-gradient {
    background: var(--gradient-primary);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}


/* Enhanced Card Borders */

.premium-card,
.course-card,
.tool-card,
.service-card,
.testimonial-card {
    position: relative;
    overflow: hidden;
}

.premium-card::after,
.course-card::after,
.tool-card::after,
.service-card::after,
.testimonial-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 2px;
    background: var(--gradient-primary);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.premium-card:hover::after,
.course-card:hover::after,
.tool-card:hover::after,
.service-card:hover::after,
.testimonial-card:hover::after {
    opacity: 1;
}

.premium-link, .course-link {
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}


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

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-4);
    }
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    .premium-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    .hero-stats {
        justify-content: center;
    }
    .premium-booking-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    .booking-cards {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-link {
        padding: var(--spacing-sm);
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    .nav-link:last-child {
        border-bottom: none;
    }
    .hero-title {
        font-size: var(--font-4xl);
    }
    .hero-subtitle {
        font-size: var(--font-lg);
    }
    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }
    .hero-cta {
        flex-direction: column;
    }
    .premium-grid {
        grid-template-columns: 1fr;
    }
    .premium-tools-grid,
    .premium-services-grid {
        grid-template-columns: 1fr;
    }
    .testimonials-carousel {
        grid-template-columns: 1fr;
    }
    .stat-group {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-links {
        grid-template-columns: 1fr;
    }
    .footer-bottom-content {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    .footer-badges {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    .hero-title {
        font-size: var(--font-3xl);
    }
    .section-header h2 {
        font-size: var(--font-3xl);
    }
    .category-title {
        font-size: var(--font-2xl);
    }
    .premium-card {
        padding: var(--space-6);
    }
    .expertise-item {
        flex-direction: column;
        text-align: center;
    }
    .hero-image-container {
        width: 300px;
        height: 300px;
    }
}