@font-face {
	font-family: 'Inter';
	font-style: normal;
	font-weight: 400 700;
	font-display: swap;
	src: url('../assets/fonts/inter.woff2') format('woff2');
}

/* Global Styles and Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --accent-color: #0ea5e9;
    --dark-color: #111827;
    --light-color: #f9fafb;
    --gray-color: #6b7280;
    --light-gray: #e5e7eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

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

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

ul {
    list-style-position: inside;
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

section {
    padding: 5rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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



.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

/* Header / Hero Section */
.hero {
    min-height: 80vh;
    background: linear-gradient(135deg, #4f46e5, #10b981);
    color: white;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('placeholder-images/pattern.svg');
    background-size: cover;
    opacity: 0.1;
    z-index: 0;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    position: relative;
    z-index: 10;
}

.logo a {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.nav-links a:hover {
    color: white;
}

.login-btn, .signup-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.login-btn {
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.login-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

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

.signup-btn:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--primary-dark);
}

.mobile-menu-btn {
    display: none;
}

.hero-content {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
    gap: 1.5rem;
}

.hero-content h1 {
    margin-bottom: 0;
    max-width: 800px;
}

.hero-content p {
    font-size: 1.25rem;
    margin: 0;
    opacity: 0.9;
    max-width: 800px;
}

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

.animation-container {
    width: 100%;
    max-width: 900px;
    position: relative;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0.5rem 0 1rem;
}

.animation-container object {
    width: 100%;
    height: auto;
    display: block;
}

.play-button-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    opacity: 1;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.animation-container:hover .play-button-overlay {
    opacity: 1;
}

.play-circle {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.play-circle i {
    color: #4f46e5;
    font-size: 32px;
    margin-left: 6px;
}

.play-button-overlay:hover .play-circle {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 1);
}

.hero-content .cta-button {
    margin-top: 0.5rem;
    font-size: 1.1rem;
    padding: 1.1rem 2.2rem;
}

/* Social Proof Section */
.social-proof {
    background-color: white;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.social-proof-heading {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-color);
    margin-bottom: 1rem;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
}

.logo-container img {
    height: 40px;
    opacity: 0.7;
    filter: grayscale(100%);
    transition: var(--transition);
}

.logo-container img:hover {
    opacity: 1;
    filter: grayscale(0);
}

/* Segment Choice Section */
.segment-choice {
    background-color: white;
}

.choice-container {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.choice-box {
    flex: 1;
    padding: 2.5rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.choice-box:hover {
    transform: translateY(-10px);
}

.choice-box .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.choice-box p {
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* KI Tutor Showcase Section */
.ai-tutor-showcase {
    background-color: #1e1e2e;
    color: white;
    padding: 0;
    max-width: 100%;
    margin: 5rem 0;
    overflow: hidden;
    position: relative;
}

.ai-tutor-showcase::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
    z-index: 1;
}

.ai-tutor-container {
    display: flex;
    max-width: var(--max-width);
    margin: 0 auto;
    min-height: 600px;
    position: relative;
    z-index: 2;
}

.ai-tutor-left, .ai-tutor-right {
    flex: 1;
    padding: 5rem 2rem;
    position: relative;
}

.ai-branding {
    margin-bottom: 1rem;
    text-align: left;
}

.ai-logo {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #2563eb, #00aa77);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    position: relative;
    padding-right: 40px;
}

.ai-badge {
    position: absolute;
    top: -10px;
    right: 0;
    background-color: #2563eb;
    color: white;
    font-size: 0.8rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
    font-style: normal;
}

.feature-list {
    margin: 1.5rem 0;
}

.feature-list h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.feature-list ul {
    list-style: none;
    margin-left: 0.5rem;
}

.feature-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.feature-list li i {
    color: #4eebeb;
    margin-right: 0.75rem;
    font-size: 0.9rem;
}

.feature-list p {
    margin-top: 1rem;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

.ai-description {
    font-size: 1.2rem;
    margin: 2rem 0;
    line-height: 1.6;
    max-width: 400px;
}

.credits-info {
    font-size: 0.95rem;
    margin-top: 0.5rem;
    opacity: 0.85;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.ai-planet {
    width: 500px;
    height: 500px;
    position: absolute;
    bottom: -250px;
    left: -100px;
    background: linear-gradient(135deg, #0a6363, #0d9696);
    border-radius: 50%;
    opacity: 0.5;
    box-shadow: 0 0 80px rgba(78, 235, 235, 0.3);
    z-index: -1;
    overflow: hidden;
}

.ai-planet::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(0, 0, 0, 0.3) 10%, transparent 20%),
        radial-gradient(circle at 70% 30%, rgba(0, 0, 0, 0.3) 15%, transparent 25%);
}

.ai-assistant-avatar {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    position: relative;
}

.ai-assistant-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.ai-chat-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 90%;
}

.ai-chat-bubble {
    background-color: #2a3550;
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
    max-width: 80%;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
}

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

.ai-chat-bubble:nth-child(1) {
    transition-delay: 0.1s;
}

.ai-chat-bubble:nth-child(2) {
    transition-delay: 0.3s;
}

.ai-chat-bubble:nth-child(3) {
    transition-delay: 0.5s;
}

.ai-chat-bubble:nth-child(4) {
    transition-delay: 0.7s;
}

.ai-chat-bubble:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.ai-chat-bubble p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.5;
}

/* Animated stars */
.ai-tutor-showcase::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
        radial-gradient(circle, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
    background-size: 50px 50px, 100px 100px;
    background-position: 0 0, 25px 25px;
    animation: twinkling 10s linear infinite;
    z-index: 1;
    opacity: 0.2;
}

@keyframes twinkling {
    from {
        background-position: 0 0, 25px 25px;
    }
    to {
        background-position: 50px 50px, 75px 75px;
    }
}

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

/* USP / "Lerne Interaktiv" Section */
.interactive-learning {
    background-color: var(--light-color);
}

.interactive-container {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.video-container {
    flex: 1;
}

.video-placeholder {
    position: relative;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.play-button i {
    color: white;
    font-size: 2rem;
}

.play-button:hover {
    background-color: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

.text-container {
    flex: 1;
}

.text-container ul {
    list-style-type: none;
    margin-left: 0;
}

.text-container li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.text-container li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Features Section */
.features {
    background-color: white;
    overflow: hidden;
}

.features-tabs {
    margin-top: 3rem;
}

.tabs-nav {
    display: flex;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--light-gray);
}

.tab-button {
    flex: 1;
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    opacity: 0.7;
}

.tab-button:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.02);
}

.tab-button.active {
    border-bottom: 3px solid var(--primary-color);
    opacity: 1;
}

.tab-button .feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tabs-content {
    position: relative;
    overflow: hidden;
}

.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.tab-content.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.tab-media, .tab-text {
    flex: 1;
    padding: 1rem;
}

.video-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    aspect-ratio: 16 / 9;
    cursor: pointer;
}

.feature-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.play-overlay i {
    font-size: 3rem;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.video-wrapper:hover .play-overlay {
    background-color: rgba(0, 0, 0, 0.1);
}

.video-wrapper:hover .play-overlay i {
    transform: scale(1.1);
    background-color: var(--primary-color);
}

.tab-text h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.tab-text ul {
    list-style-type: none;
    margin: 1.5rem 0;
}

.tab-text li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.tab-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.tab-indicators {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--light-gray);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
}

/* Tutorials Section */
.tutorials {
    background-color: var(--light-color);
}

.top-tutorials {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
}

.tutorial-card {
    flex: 1;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.tutorial-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tutorial-logo img {
    max-width: 70px;
    max-height: 70px;
    border-radius: 0;
    object-fit: contain;
}

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

.tutorial-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.tutorial-links a {
    margin-right: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.mini-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.5rem;
    border-radius: 0;
}

.all-tutorials {
    font-weight: 600;
    color: var(--accent-color);
}

/* Account Teaser Section */
.account-teaser {
    background-color: white;
}

.account-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.account-visual, .account-text {
    flex: 1;
}

.account-visual img {
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
}

/* Recommended Courses Section */
.recommended-courses {
    background-color: var(--light-color);
}

.courses-container {
    display: flex;
    gap: 2rem;
}

.course-card {
    flex: 1;
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-5px);
}

.course-image {
    height: 200px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-image img {
    transform: scale(1.05);
}

.course-card h4, .course-card p, .course-card .btn {
    margin: 1.25rem;
}

.course-card .btn {
    margin-top: 0;
    display: inline-block;
}

/* Blog Teaser Section */
.blog-teaser {
    background-color: white;
}

.articles-container {
    display: flex;
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    justify-content: center;
}

.article-card {
    flex: 1;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

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

.article-image {
    height: 200px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-card h4, .article-card p, .article-card .read-more {
    margin: 1.25rem;
}

.read-more {
    display: inline-block;
    font-weight: 500;
    position: relative;
}

.read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: var(--transition);
}

.read-more:hover::after {
    margin-left: 0.75rem;
}

/* Pricing Teaser Section */
.pricing-teaser {
    background-color: var(--light-color);
    text-align: center;
    padding-bottom: 6rem;
}

.pricing-options {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.pricing-option {
    flex: 1;
    max-width: 360px;
    padding: 2rem;
    background-color: white;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--light-gray);
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.pricing-option.highlighted {
    box-shadow: var(--box-shadow);
    border: 2px solid var(--primary-light);
    transform: scale(1.05);
}

.pricing-option h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-option .price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.strike-price {
    text-decoration: line-through;
    color: var(--gray-color);
    font-weight: normal;
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

.pricing-option p:not(.price) {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

/* Features Link in Pricing Cards */
.features-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.features-link:hover {
    text-decoration: underline;
}

/* Key Features List in Pricing Cards */
.key-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    text-align: left;
}

.key-features li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    font-size: 0.9rem;
    line-height: 1.4;
}

.key-features li.bold-feature {
    margin-bottom: 0.75rem;
}

.key-features li i {
    margin-right: 0.5rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.key-features li i.fa-check {
    color: var(--success-color);
}

.key-features li.disabled {
    opacity: 0.6;
}

.key-features li.disabled i.fa-times {
    color: var(--gray-color);
}

.pricing-option .btn {
    width: 100%;
    margin-top: auto;
}

.pricing-option .highlighted-btn {
    background-color: var(--accent-color);
}

.pricing-option .highlighted-btn:hover {
    background-color: var(--primary-dark);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    z-index: 1;
}

/* Pricing Details Toggle */
.pricing-details-toggle {
    margin: 2rem auto;
    max-width: 300px;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.toggle-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.toggle-btn i {
    transition: transform 0.3s ease;
}

.toggle-btn.active i {
    transform: rotate(180deg);
}

/* Detailed Pricing Table */
.pricing-details-table {
    display: block;
    max-width: 100%;
    margin-top: 2rem;
    opacity: 1;
}

.pricing-table-container {
    position: relative;
    overflow-x: auto;
    margin-bottom: 20px;
}

.pricing-details-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    table-layout: fixed;
}

.pricing-details-table th, 
.pricing-details-table td {
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--light-gray);
    width: 20%;
}

.pricing-details-table th:first-child,
.pricing-details-table td:first-child {
    width: 40%;
    text-align: left;
}

.pricing-details-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.pricing-details-table th:first-child {
    background-color: var(--dark-color);
}

.pricing-details-table td:first-child {
    font-weight: 500;
    background-color: rgba(0, 0, 0, 0.02);
}

.pricing-details-table tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

.pricing-details-table small {
    display: block;
    font-size: 0.8rem;
    opacity: 0.7;
}

.pricing-details-table .feature-included {
    color: var(--success-color);
    font-size: 1.1rem;
}

/* Fade effect for the visible rows */
.table-fade-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 60%, white 100%);
    pointer-events: none;
    z-index: 2;
}

/* Expandable content styling */
.expandable-content {
    display: none;
    overflow-x: auto;
}

.pricing-details-table.active .expandable-content {
    display: block;
}

.expandable-content table {
    margin-top: -1px; /* Connect to the table above */
}

.pricing-details-table .price-row td {
    font-weight: 600;
    font-size: 1.1rem;
    background-color: rgba(0, 0, 0, 0.05);
}

.pricing-details-table .cta-row td {
    border-top: none;
    padding-top: 0;
}

.pricing-details-table .btn {
    min-width: 120px;
}

/* Big Numbers Section */
.big-numbers {
    background-color: white;
    text-align: center;
}

.big-numbers p {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
}

.stat {
    flex: 1;
}

.number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.label {
    font-size: 1.1rem;
    color: var(--gray-color);
}

/* Testimonials Section */
.testimonials {
    background-color: var(--light-color);
}

.testimonials-container {
    display: flex;
    gap: 2rem;
}

.testimonial {
    flex: 1;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.testimonial:hover {
    transform: translateY(-5px);
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--light-gray);
}

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

blockquote {
    font-style: italic;
    position: relative;
    margin-bottom: 1rem;
}

blockquote::before {
    content: '"';
    font-size: 4rem;
    position: absolute;
    left: -1rem;
    top: -2rem;
    color: var(--light-gray);
    font-family: Georgia, serif;
}

.source {
    text-align: right;
    font-weight: 500;
}

/* FAQ Section */
.faq {
    background-color: white;
}

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

.faq-item {
    border-bottom: 1px solid var(--light-gray);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
}

.faq-question h4 {
    margin-bottom: 0;
}

.toggle {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.faq-answer {
    padding: 0 0 1.5rem;
    display: none;
}

.faq-item.active .toggle {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    display: block;
}

/* Final CTA Section */
.final-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    text-align: center;
    border-radius: var(--border-radius);
    margin: 5rem auto;
    padding: 4rem 2rem;
}

.final-cta h2 {
    color: white;
}

.final-cta .cta-button {
    background-color: white;
    color: var(--primary-color);
    margin-top: 1.5rem;
}

.final-cta .cta-button:hover {
    background-color: var(--light-color);
    color: var(--primary-dark);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 3rem 2rem;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

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

/* Responsive Styles */
@media (max-width: 1100px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .interactive-container, 
    .account-container, 
    .choice-container, 
    .ai-tutor-container {
        flex-direction: column;
    }
    
    .hero-content {
        padding: 3rem 2rem;
    }
    
    .animation-container {
        max-width: 85%;
    }
    
    .account-visual {
        margin-right: 0;
        margin-bottom: 2rem;
    }
    
    .account-text {
        max-width: 100%;
        padding: 0 2rem;
    }
    
    .ai-logo {
        font-size: 2.5rem;
        padding-right: 35px;
    }
    
    .ai-planet {
        transform: scale(0.8);
    }
}

@media (max-width: 900px) {
    .choice-container,
    .pricing-options,
    .stats-container,
    .testimonials-container {
        flex-direction: column;
        gap: 2rem;
    }
    
    .play-circle {
        width: 60px;
        height: 60px;
    }
    
    .play-circle i {
        font-size: 24px;
    }

    .pricing-options {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
    
    .pricing-option.highlighted {
        transform: scale(1);
        margin: 0;
    }
    
    .pricing-option {
        width: 100%;
        max-width: 500px;
    }
    
    .key-features {
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .pricing-details-table {
        margin: 2rem 0;
    }
    
    .pricing-details-table table {
        min-width: 800px;
    }
    
    .hero-content {
        padding: 3rem 1.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        cursor: pointer;
        position: relative;
        z-index: 100;
    }
    
    .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 3px;
        background-color: white;
        border-radius: 3px;
        transition: var(--transition);
    }
    
    .mobile-menu-btn span:nth-child(1) {
        transform-origin: left;
    }
    
    .mobile-menu-btn span:nth-child(2) {
        transform-origin: center;
    }
    
    .mobile-menu-btn span:nth-child(3) {
        transform-origin: left;
    }
    
    .tab-content.active {
        flex-direction: column;
    }
    
    .tab-media {
        margin-bottom: 2rem;
    }
    
    .tabs-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 15px;
        margin-bottom: 2rem;
    }
    
    .tabs-nav::-webkit-scrollbar {
        height: 5px;
    }
    
    .tab-button {
        flex: 0 0 auto;
        min-width: 200px;
    }
    
    .ai-tutor-left, .ai-tutor-right {
        flex: 100%;
        text-align: left;
        padding: 3rem 2rem;
    }
    
    .feature-list ul {
        display: inline-block;
        text-align: left;
    }
    
    .ai-logo {
        font-size: 2.2rem;
        padding-right: 30px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-bottom: 2rem;
    }
    
    .animation-container {
        max-width: 100%;
    }
    
    .ai-tutor-left, .ai-tutor-right {
        width: 100%;
        padding: 3rem 1.5rem;
    }
    
    .ai-logo {
        font-size: 2rem;
        padding-right: 30px;
    }
    
    .ai-description {
        font-size: 1.1rem;
        margin: 1.5rem auto;
        text-align: center;
    }
    
    .ai-chat-container {
        padding: 0 1rem;
        margin: 0 auto;
    }
    
    .ai-planet {
        display: none;
    }
    
    .ai-tutor-left {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .feature-list {
        width: 100%;
    }
    
    .credits-info {
        text-align: center;
    }
}

@media (max-width: 600px) {
    section {
        padding: 3rem 1.5rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .logo-container {
        gap: 1.5rem;
    }
    
    .logo-container img {
        height: 30px;
    }
    
    .feature-block {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .tabs-nav {
        border-bottom: none;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tab-button {
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
        display: flex;
        align-items: center;
        padding: 0.75rem;
    }
    
    .tab-button.active {
        border-bottom: none;
        border-left: 3px solid var(--primary-color);
        background-color: rgba(0, 0, 0, 0.05);
    }
    
    .tab-button .feature-icon {
        font-size: 1.5rem;
        margin-bottom: 0;
        margin-right: 1rem;
    }
    
    /* AI Tutor Small Mobile */
    .ai-logo {
        font-size: 1.8rem;
        padding-right: 30px;
    }
    
    .ai-slogan {
        font-size: 1.2rem;
        margin-left: 0.5rem;
    }
    
    .ai-planet {
        opacity: 0.3;
        transform: scale(0.7);
    }
    
    .ai-tutor-container {
        min-height: auto;
    }
    
    .ai-tutor-left, .ai-tutor-right {
        padding: 2.5rem 1rem;
    }
}

.pricing-details-bottom-toggle {
    text-align: center;
    margin: 2rem auto 1rem;
}

@media (max-width: 900px) {
    .pricing-options {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
}

/* Pricing Table Enhanced Styling */
.feature-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.feature-description {
    color: #666;
    font-size: 0.85rem;
    line-height: 1.3;
    margin: 0;
}

.feature-cell {
    text-align: center;
    vertical-align: middle;
    padding: 12px 8px;
}

.feature-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 4px;
    height: 20px;
}

.feature-icon i {
    font-size: 16px;
}

.feature-text {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.2;
}

.pricing-table-container table {
    border-collapse: separate;
    border-spacing: 0;
}

.pricing-table-container td {
    border: 1px solid #e0e0e0;
    padding: 16px 12px;
}

.pricing-table-container th {
    background: #2563eb;
    color: white;
    border: 1px solid #e0e0e0;
    padding: 16px 12px;
    font-weight: 600;
}