/* ===================================
   ASCENDIA - Modern eLearning Platform
   =================================== */

/* === CSS Variables === */
:root {
    /* Colors */
    --primary-color: #7162F2;
    --primary-dark: #5847D9;
    --primary-light: #9285F5;
    --secondary-color: #8274F4;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7162F2 0%, #8274F4 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-hero: linear-gradient(135deg, #7162F2 0%, #5847D9 100%);
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', var(--font-primary);
    
    /* Spacing */
    --section-padding: 3rem 0;
    --container-max-width: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* === Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

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

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

strong {
    font-weight: 600;
    color: var(--gray-800);
}

/* === Container === */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
    padding: 0 2rem;
    margin-bottom: 0;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
}

/* Only apply hover transform on devices that support hover (not touch screens) */
@media (hover: hover) and (pointer: fine) {
    .logo:hover {
        transform: scale(1.05);
    }
}

/* Disable hover transform on touch devices */
@media (hover: none) {
    .logo:hover {
        transform: none;
    }
}

.logo-img {
    height: 70px;
    width: auto;
    max-width: 200px;
    display: block;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(99%) contrast(92%);
    transition: filter var(--transition-normal);
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    user-select: none;
}

/* Only apply hover effect on devices that support hover (not touch screens) */
@media (hover: hover) and (pointer: fine) {
    .logo:hover .logo-img {
        filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(104%) contrast(92%);
    }
}

/* Force main color on touch devices - disable all hover states */
@media (hover: none) {
    .logo:hover .logo-img,
    .logo:active .logo-img,
    .logo:focus .logo-img {
        filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(99%) contrast(92%) !important;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-links a {
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    font-size: 0.875rem;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding-top: 2rem;
    padding-bottom: 3rem;
    margin-top: 100px; /* Added 20px space below header (was 80px) */
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.1;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(1.145375rem, 2.29075vw, 2.061675rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #000000;
    font-weight: 700;
}

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

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: #000000;
    font-weight: 400;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-200);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    text-align: center;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform var(--transition-slow);
}

.hero-card:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.hero-card i {
    font-size: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.hero-card h3 {
    margin-bottom: 0.5rem;
}

.hero-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* === Section Styles === */
section {
    padding: var(--section-padding);
}

.section-header {
    margin-bottom: 2rem;
}

.section-header.center {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header.light h2,
.section-header.light p {
    color: var(--white);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

/* === Value Proposition === */
.value-prop {
    background: var(--gray-50);
}

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

.value-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.value-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.value-card h3 {
    margin-bottom: 1rem;
}

/* === Solutions === */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-100);
    transition: all var(--transition-normal);
}

.solution-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.solution-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.solution-features {
    list-style: none;
    margin-top: 1.5rem;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.solution-features i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* === Features === */
.features {
    background: var(--gray-50);
}

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

.feature-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.feature-icon.accessible {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.feature-icon.brand {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.feature-icon.collaborative {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.feature-icon.grounded {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-color);
}

.feature-icon.managed {
    background: rgba(139, 92, 246, 0.1);
    color: var(--secondary-color);
}

.feature-icon.secure {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.feature-icon.translation {
    background: rgba(99, 102, 241, 0.1);
    color: #7162F2;
}

/* === Sample Lesson Demo === */
.sample-lesson {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
}

.lesson-demo-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin: 4rem 0;
    align-items: start;
}

.lesson-info {
    position: sticky;
    top: 120px;
}

.lesson-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.lesson-badge i {
    font-size: 1.1rem;
}

.lesson-info h3 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.lesson-info p {
    color: var(--gray-600);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.lesson-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.lesson-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.lesson-feature i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.lesson-player {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.lesson-player iframe {
    display: block;
    border-radius: var(--radius-lg);
}

.lesson-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.lesson-cta p {
    font-size: 1.5rem;
    color: var(--gray-800);
    margin-bottom: 2rem;
    font-weight: 600;
}

.lesson-cta .cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.lesson-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .lesson-demo-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .lesson-info {
        position: relative;
        top: 0;
    }
    
    .lesson-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .lesson-info h3 {
        font-size: 1.5rem;
    }
    
    .lesson-player {
        padding: 1rem;
    }
    
    .lesson-cta {
        padding: 2rem 1rem;
    }
    
    .lesson-cta p {
        font-size: 1.2rem;
    }
    
    .lesson-cta .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .lesson-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* === Free Lesson Offer === */
.free-lesson {
    background: var(--gradient-primary);
    color: var(--white);
}

.free-lesson-header {
    text-align: center;
    margin-bottom: 2rem;
}

.free-lesson-header h2,
.free-lesson-header p {
    color: var(--white);
}

.offer-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.free-lesson-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.free-lesson-form,
.schedule-form {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

.schedule-form h3 {
    margin-bottom: 2rem;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* File Upload */
.file-upload-area {
    position: relative;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.file-upload-content i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.file-upload-content p {
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.file-types {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.file-upload-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.file-upload-preview i {
    font-size: 2rem;
    color: var(--primary-color);
}

.file-name {
    flex: 1;
    font-weight: 500;
    color: var(--gray-700);
}

.remove-file {
    background: var(--danger-color);
    color: var(--white);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.remove-file:hover {
    background: #dc2626;
}

.form-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 1rem;
}

/* === How It Works === */
.how-it-works {
    background: var(--gray-50);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    bottom: -2rem;
    width: 2px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.step-number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 2rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
}

.step-content {
    padding-top: 1rem;
}

.step-content h3 {
    margin-bottom: 0.75rem;
}

/* === ROI & Statistics === */
.roi-stats {
    background: var(--gradient-primary);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-description {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* === Trusted By Section === */
.trusted-by {
    padding: 3rem 0;
    background: linear-gradient(135deg, #EFEEFA 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.trusted-by::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.trusted-by-header {
    text-align: center;
    margin-bottom: 2rem;
}

.trusted-by-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.trusted-by-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.logo-scroll-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 1.5rem 0;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.logo-scroll {
    display: flex;
    gap: 4rem;
    animation: scroll 30s linear infinite;
    will-change: transform;
}

.logo-scroll:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.logo-item {
    flex: 0 0 auto;
    width: 180px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.logo-item:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.logo-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(0) invert(40%) sepia(50%) saturate(1000%) hue-rotate(220deg);
    transition: filter var(--transition-normal);
}

.logo-item:hover img {
    filter: grayscale(0%) brightness(1) invert(0%) sepia(0%) saturate(100%) hue-rotate(0deg);
}

/* === Testimonials === */
.testimonials {
    background: var(--gray-50);
}

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

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.testimonial-stars {
    color: var(--warning-color);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.125rem;
}

.author-name {
    font-weight: 600;
    color: var(--gray-800);
}

.author-title {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* === Trust Indicators === */
.trust-indicators {
    background: var(--gray-800);
    padding: 2rem 0;
}

.trust-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
    font-weight: 500;
}

.trust-item i {
    font-size: 1.5rem;
    color: var(--success-color);
}

/* === FAQ === */
.faq {
    background: var(--gray-50);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.faq-question i {
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* === Schedule CTA === */
.schedule-cta {
    background: var(--white);
}

.schedule-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.schedule-text h2 {
    margin-bottom: 1rem;
}

.schedule-benefits {
    list-style: none;
    margin-top: 2rem;
}

.schedule-benefits li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    color: var(--gray-700);
}

.schedule-benefits i {
    color: var(--success-color);
    font-size: 1.25rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 90px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1) drop-shadow(0 2px 4px rgba(255, 255, 255, 0.2));
}

.footer-tagline {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: var(--gray-400);
}

.footer-bottom-links a:hover {
    color: var(--white);
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* === Animations === */
.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-up.delay-1 {
    animation-delay: 0.2s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.4s;
}

.fade-in-up.delay-3 {
    animation-delay: 0.6s;
}

.fade-in-right {
    opacity: 0;
    animation: fadeInRight 0.8s ease-out 0.3s forwards;
}

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

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive Design === */
@media (max-width: 1280px) {
    .nav-links {
        gap: 1.2rem;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
    
    .nav-cta {
        padding: 0.45rem 0.85rem;
        font-size: 0.825rem;
    }
}

@media (max-width: 1024px) {
    .hero-content,
    .schedule-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 2rem 0;
    }
    
    .logo-img {
        height: 70px;
        width: auto;
        max-width: 180px;
        display: block;
        filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(99%) contrast(92%) !important;
    }
    
    /* Disable hover effects on mobile touch devices */
    .logo:hover .logo-img,
    .logo:active .logo-img,
    .logo:focus .logo-img {
        filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(99%) contrast(92%) !important;
    }
    
    .nav-links {
        position: fixed;
        top: 94px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .navbar {
        padding: 0 1rem;
        min-height: 94px;
    }
    
    .nav-content {
        padding: 0.75rem 0;
        min-height: 94px;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        margin-top: 84px;
        padding-top: 1.5rem;
        padding-bottom: 2rem;
        min-height: calc(100vh - 84px);
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .free-lesson-form,
    .schedule-form {
        padding: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .trust-grid {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-scroll {
        gap: 3rem;
        animation: scroll 25s linear infinite;
    }
    
    .logo-item {
        width: 160px;
        height: 70px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 60px;
        width: auto;
        max-width: 160px;
        display: block;
        filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(99%) contrast(92%) !important;
    }
    
    /* Completely disable hover effects on small mobile devices */
    .logo:hover .logo-img,
    .logo:active .logo-img,
    .logo:focus .logo-img {
        filter: brightness(0) saturate(100%) invert(36%) sepia(84%) saturate(4574%) hue-rotate(239deg) brightness(99%) contrast(92%) !important;
    }
    
    .navbar {
        min-height: 84px;
    }
    
    .nav-content {
        min-height: 84px;
    }
    
    .nav-links {
        top: 84px;
    }
    
    .hero {
        margin-top: 84px;
        padding-top: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    /* Trust section - smaller mobile optimization */
    .trusted-by {
        padding: 2rem 0;
    }
    
    .trusted-by-header {
        margin-bottom: 1.5rem;
    }
    
    .logo-scroll-container {
        padding: 1rem 0;
    }
    
    .logo-scroll {
        gap: 2rem;
        animation: scroll 20s linear infinite;
    }
    
    .logo-item {
        width: 140px;
        height: 60px;
    }
    
    .trusted-by-header h2 {
        font-size: 1.5rem;
    }
    
    .trusted-by-header p {
        font-size: 1rem;
    }
    
    .process-step {
        grid-template-columns: 60px 1fr;
        gap: 1rem;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .process-step:not(:last-child)::after {
        left: 30px;
        top: 60px;
    }
}

/* ===================================
   ROI CALCULATOR
   =================================== */

.roi-calculator {
    background: var(--gray-50);
    padding: 5rem 0;
}

.calculator-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Calculator Steps Indicator */
.calculator-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
}

.calculator-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--gray-300);
    z-index: 0;
}

.calculator-steps .step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
    flex: 1;
}

.calculator-steps .step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--gray-500);
    transition: all var(--transition-normal);
}

.calculator-steps .step.active .step-number {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.calculator-steps .step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    text-align: center;
}

.calculator-steps .step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* Calculator Card */
.calculator-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: 3rem;
    min-height: 500px;
}

.calculator-step-content {
    display: none;
}

.calculator-step-content.active {
    display: block;
    animation: fadeInUp 0.4s ease-out;
}

.calculator-step-content h3 {
    margin-bottom: 0.5rem;
}

.calculator-step-content .step-description {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.calculator-nav {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: flex-end;
}

/* Slider Styles */
.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 8px;
    border-radius: 5px;
    background: var(--gray-200);
    outline: none;
    -webkit-appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

.slider-value {
    min-width: 60px;
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

.field-hint {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
}

/* Results Section */
.results-highlight {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

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

.result-card.primary {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.result-card.success {
    border-color: var(--success-color);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
}

.result-card.warning {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.result-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.result-card.primary .result-icon {
    color: var(--primary-color);
}

.result-card.success .result-icon {
    color: var(--success-color);
}

.result-card.warning .result-icon {
    color: var(--warning-color);
}

.result-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.result-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
}

/* Results Details */
.results-details {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-xl);
    margin-bottom: 2rem;
}

.results-details h4 {
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

.details-grid {
    display: grid;
    gap: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-label {
    font-weight: 500;
    color: var(--gray-700);
}

.detail-value {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 1.125rem;
}

/* Benefit Breakdown Chart */
.results-breakdown {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    margin-bottom: 2rem;
}

.results-breakdown h4 {
    margin-bottom: 1.5rem;
}

.results-breakdown canvas {
    height: 300px !important;
    max-height: 300px;
}

/* Ascendia Advantage */
.ascendia-advantage {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%);
    border: 2px solid var(--warning-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
}

.advantage-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.advantage-header i {
    font-size: 1.5rem;
    color: var(--warning-color);
}

.advantage-header h4 {
    margin: 0;
    color: var(--gray-900);
}

.advantage-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.advantage-stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
}

.advantage-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.advantage-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.advantage-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--success-color);
}

.advantage-description {
    color: var(--gray-700);
    line-height: 1.6;
    margin: 0;
}

/* Results Actions */
.results-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10000;
    transform: translateX(400px);
    opacity: 0;
    transition: all var(--transition-normal);
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

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

.notification-success i {
    color: var(--success-color);
    font-size: 1.5rem;
}

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

.notification-error i {
    color: var(--danger-color);
    font-size: 1.5rem;
}

.notification span {
    color: var(--gray-800);
    font-weight: 500;
}

/* Responsive Calculator */
@media (max-width: 768px) {
    .calculator-card {
        padding: 2rem;
    }
    
    .calculator-steps .step-label {
        font-size: 0.75rem;
    }
    
    .results-highlight {
        grid-template-columns: 1fr;
    }
    
    .advantage-stats {
        grid-template-columns: 1fr;
    }
    
    .results-actions {
        flex-direction: column;
    }
    
    .results-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .calculator-steps {
        margin-bottom: 2rem;
    }
    
    .calculator-steps::before {
        display: none;
    }
    
    .calculator-steps {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .calculator-card {
        padding: 1.5rem;
        min-height: auto;
    }
    
    .calculator-nav {
        flex-direction: column;
    }
    
    .calculator-nav .btn {
        width: 100%;
        justify-content: center;
    }
    
    .notification {
        right: 10px;
        left: 10px;
        top: 80px;
    }
}