:root {
    --primary-color: #6a3de8;
    --secondary-color: #3498db;
    --tertiary-color: #34c3db;
    --accent-color: #ec4899;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f5f7fa;
    --card-bg: #fff;
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --gradient: linear-gradient(90deg, var(--primary-color), var(--tertiary-color));
    --gradient-accent: linear-gradient(45deg, var(--accent-color), var(--tertiary-color));
    --transition-fast: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-medium: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    background-color: var(--light-bg);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Removing custom cursor styling */
.cursor-dot,
.cursor-outline {
    display: none;
}

/* Animated background elements */
.bg-animation {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.bg-animation span {
    position: absolute;
    display: block;
    background: linear-gradient(45deg, var(--primary-color), var(--tertiary-color));
    border-radius: 50%;
    opacity: 0.1;
    animation: float 25s infinite linear;
}

.bg-animation span:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -100px;
    animation-delay: 0s;
    animation-duration: 30s;
}

.bg-animation span:nth-child(2) {
    width: 400px;
    height: 400px;
    top: 60%;
    right: -200px;
    animation-delay: 5s;
    animation-duration: 25s;
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
}

.bg-animation span:nth-child(3) {
    width: 250px;
    height: 250px;
    bottom: -100px;
    left: 30%;
    animation-delay: 10s;
    animation-duration: 20s;
    background: linear-gradient(45deg, var(--tertiary-color), var(--secondary-color));
}

.bg-animation span:nth-child(4) {
    width: 200px;
    height: 200px;
    top: 30%;
    left: 10%;
    animation-delay: 15s;
    animation-duration: 18s;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    opacity: 0.07;
}

/* Particle Animation */
@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    25% { transform: translate(100px, 100px) rotate(90deg) scale(1.1); }
    50% { transform: translate(50px, 200px) rotate(180deg) scale(1); }
    75% { transform: translate(-50px, 100px) rotate(270deg) scale(0.9); }
    100% { transform: translate(0, 0) rotate(360deg) scale(1); }
}

/* Page transition effects */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.7s cubic-bezier(0.7, 0, 0.3, 1);
}

.page-transition.active {
    transform: translateY(0);
}

.page-transition.fade-out {
    transform: translateY(-100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 25px 0;
    transition: var(--transition-fast);
}

header.scrolled {
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.15);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.logo img {
    height: 50px;
    margin-right: 10px;
    transition: var(--transition-fast);
}

.logo:hover img {
    transform: rotate(-5deg) scale(1.05);
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: var(--transition-fast);
}

.logo:hover .logo-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
    transition: var(--transition-fast);
    padding: 5px 0;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 25px;
    background: var(--gradient);
    color: white;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(106, 61, 232, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    z-index: -1;
    transition: var(--transition-fast);
    opacity: 0;
}

.btn:hover::before {
    opacity: 1;
}

.btn:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 10px 25px rgba(106, 61, 232, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

.btn-outline::before {
    opacity: 0;
}

.btn-outline:hover {
    border-color: transparent;
    color: white;
}

.btn-outline:hover::before {
    opacity: 1;
}

/* Button click effect */
.btn:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: 0 5px 15px rgba(106, 61, 232, 0.3);
}

/* Footer */
footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px 0;
    margin-top: 80px;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1;
}

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

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
    padding: 5px 0;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.footer-links a:hover::after {
    width: 100%;
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@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 pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.animate {
    opacity: 0;
}

.animate.active {
    animation: fadeIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate.scale-in.active {
    animation: scaleIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate.slide-left.active {
    animation: slideInLeft 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate.slide-right.active {
    animation: slideInRight 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* Pulse animation for call-to-action elements */
.pulse {
    animation: pulse 2s infinite ease-in-out;
}

/* Other global styles */
.section {
    padding: 70px 0;
    position: relative;
}

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

.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Home Page Styles */
.hero {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(106, 61, 232, 0.02), rgba(52, 195, 219, 0.02));
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    top: -50%;
    left: -25%;
    background: radial-gradient(circle, rgba(106, 61, 232, 0.05) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #555;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 500px;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-medium);
    transform-style: preserve-3d;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    background: var(--gradient);
    z-index: -1;
    opacity: 0.5;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateZ(-10px);
    filter: blur(15px);
    transition: var(--transition-medium);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateZ(20px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.hero-image:hover::before {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateZ(-20px);
    opacity: 0.7;
}

/* Features section */
.features {
    padding: 120px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 60px;
    position: relative;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

.feature-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    flex: 1;
    min-width: 300px;
    max-width: 380px;
    transition: var(--transition-fast);
    border-bottom: 5px solid transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition-fast);
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-bottom-color: var(--tertiary-color);
}

.feature-card:hover::before {
    opacity: 0.05;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 25px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: var(--transition-fast);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) translateY(-5px);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    transition: var(--transition-fast);
}

.feature-card:hover .feature-title {
    color: var(--primary-color);
}

.feature-description {
    color: #666;
    transition: var(--transition-fast);
}

.feature-card:hover .feature-description {
    color: #333;
}

/* Testimonials & Showcase */
.showcase {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(106, 61, 232, 0.03), rgba(52, 195, 219, 0.03));
    position: relative;
    overflow: hidden;
}

.showcase-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.showcase-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    margin-bottom: 50px;
    border-left: 5px solid var(--primary-color);
    transition: var(--transition-fast);
}

.showcase-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-left-color: var(--tertiary-color);
}

.showcase-heading {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.showcase-text {
    margin-bottom: 20px;
}

.showcase-image {
    width: 100%;
    border-radius: var(--border-radius);
    margin-top: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
}

.showcase-item:hover .showcase-image {
    transform: scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, rgba(106, 61, 232, 0.1), rgba(52, 195, 219, 0.1));
    padding: 100px 0;
    text-align: center;
    border-radius: var(--border-radius);
    margin: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(106, 61, 232, 0.05) 0%, rgba(52, 195, 219, 0.05) 30%, rgba(255, 255, 255, 0) 70%);
    animation: rotate 30s infinite linear;
    z-index: 1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.cta-text {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Pricing Page Styles */
.pricing-hero {
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
}

.pricing-title {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.pricing-subtitle {
    font-size: 1.3rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto 70px;
}

.pricing-plans {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    margin: 50px 0;
}

.pricing-plan {
    background: white;
    border-radius: var(--border-radius);
    padding: 50px 40px;
    box-shadow: var(--shadow);
    flex: 1;
    min-width: 300px;
    max-width: 380px;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(230, 230, 230, 0.7);
    z-index: 1;
}

.pricing-plan::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition-medium);
    transform: translateY(100%) rotate(10deg);
    z-index: -1;
}

.pricing-plan:hover {
    transform: translateY(-20px) scale(1.03);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    border-color: transparent;
}

.pricing-plan:hover::before {
    opacity: 0.03;
    transform: translateY(0) rotate(0);
}

.pricing-plan.free {
    border-top: 5px solid #78e08f;
}

.pricing-plan.student {
    border-top: 5px solid #3498db;
    transform: scale(1.05);
    z-index: 2;
}

.pricing-plan.student:hover {
    transform: translateY(-20px) scale(1.08);
}

.pricing-plan.premium {
    border-top: 5px solid #ffd32a;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.plan-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    transition: var(--transition-fast);
}

.pricing-plan:hover .plan-icon {
    transform: scale(1.2);
}

.free .plan-icon {
    color: #78e08f;
}

.student .plan-icon {
    color: #3498db;
}

.premium .plan-icon {
    color: #ffd32a;
}

.plan-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    transition: var(--transition-fast);
}

.pricing-plan:hover .plan-name {
    transform: translateY(-5px);
}

.free .plan-name {
    color: #2ecc71;
}

.student .plan-name {
    color: #3498db;
}

.premium .plan-name {
    color: #f39c12;
}

.plan-price {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    transition: var(--transition-fast);
}

.pricing-plan:hover .plan-price {
    transform: scale(1.1);
}

.plan-description {
    text-align: center;
    color: #666;
    margin-bottom: 25px;
    min-height: 50px;
    transition: var(--transition-fast);
}

.pricing-plan:hover .plan-description {
    color: #444;
}

.plan-features {
    margin: 40px 0 30px;
    border-top: 1px solid #eee;
    padding-top: 30px;
}

.plus-text {
    text-align: center;
    font-style: italic;
    margin-bottom: 30px;
    color: #666;
    position: relative;
    transition: var(--transition-fast);
}

.plus-text::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -10px;
    width: 30px;
    height: 2px;
    background: var(--gradient);
    border-radius: 1px;
    transition: var(--transition-fast);
}

.pricing-plan:hover .plus-text::after {
    width: 50px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    transition: var(--transition-fast);
}

.pricing-plan:hover .feature-item {
    transform: translateX(5px);
}

.feature-icon-small {
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
    transition: var(--transition-fast);
}

.pricing-plan:hover .feature-icon-small {
    transform: scale(1.1);
}

.free .feature-icon-small {
    color: #78e08f;
}

.student .feature-icon-small {
    color: #3498db;
}

.premium .feature-icon-small {
    color: #ffd32a;
}

.feature-text {
    flex: 1;
}

.feature-title-small {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.pricing-plan:hover .feature-title-small {
    color: var(--primary-color);
}

.feature-description-small {
    color: #666;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.pricing-plan:hover .feature-description-small {
    color: #444;
}

.plan-button {
    display: block;
    text-align: center;
    margin-top: 40px;
    transition: var(--transition-fast);
}

.btn-free {
    background: linear-gradient(90deg, #78e08f, #38ef7d);
}

.btn-student {
    background: linear-gradient(90deg, #3498db, #2980b9);
}

.btn-premium {
    background: linear-gradient(90deg, #ffd32a, #f39c12);
}

.most-popular {
    position: absolute;
    top: -3px;
    right: -3px;
    background: var(--gradient);
    color: white;
    font-size: 0.9rem;
    padding: 8px 25px;
    border-radius: 0 var(--border-radius) 0 var(--border-radius);
    font-weight: 600;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-fast);
}

.pricing-plan:hover .most-popular {
    padding: 10px 28px;
    font-size: 1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Privacy & Terms Page Styles */
.privacy-hero {
    padding: 100px 0 50px;
    text-align: center;
    position: relative;
}

.privacy-title {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 25px;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.privacy-subtitle {
    font-size: 1.3rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto 60px;
}

.legal-content {
    background: white;
    border-radius: var(--border-radius);
    padding: 60px;
    box-shadow: var(--shadow);
    margin-bottom: 70px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.legal-content::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: linear-gradient(135deg, rgba(106, 61, 232, 0.03) 0%, rgba(52, 195, 219, 0.03) 50%, rgba(255, 255, 255, 0) 100%);
    z-index: -1;
    opacity: 0;
    transition: var(--transition-medium);
}

.legal-content:hover::before {
    opacity: 1;
}

.tab-navigation {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 40px;
}

.tab-button {
    padding: 15px 30px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.tab-button::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background: var(--gradient);
    opacity: 0.1;
    transition: var(--transition-fast);
    z-index: -1;
}

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

.tab-button:hover::before {
    left: 0;
}

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

.tab-button.active::before {
    left: 0;
    opacity: 0.15;
}

.tab-content {
    display: none;
    transition: var(--transition-fast);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.tab-content h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 2rem;
}

.tab-content h3 {
    margin: 35px 0 15px;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.tab-content p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.tab-content ul {
    margin-bottom: 25px;
    padding-left: 20px;
}

.tab-content li {
    margin-bottom: 10px;
}

.last-updated {
    text-align: center;
    font-style: italic;
    color: #666;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .pricing-plans {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-plan {
        max-width: 100%;
        width: 100%;
    }
    
    .pricing-plan.student {
        transform: scale(1);
    }
    
    .pricing-plan.student:hover {
        transform: translateY(-20px) scale(1.03);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .feature-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-card {
        max-width: 100%;
    }
    
    .tab-navigation {
        flex-direction: column;
    }
    
    .tab-button {
        text-align: center;
        padding: 15px 10px;
    }
    
    .legal-content {
        padding: 40px 25px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .cta-title, .pricing-title, .privacy-title, .section-title {
        font-size: 2.5rem;
    }
}

/* Loading animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--light-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(106, 61, 232, 0.2);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Mobile visibility utility classes */
.mobile-only {
    display: none !important;
}

@media (max-width: 768px) {
    .mobile-only {
        display: flex !important;
    }
    
    .desktop-only {
        display: none !important;
    }
    
    /* Override fixed header styles for mobile */
    .fixed-header {
        padding: 20px 0;
    }
    
    .fixed-header.scrolled {
        padding: 15px 0;
    }
    
    /* Better mobile typography */
    body {
        font-size: 16px;
    }
    
    h1, .hero-title, .pricing-title, .privacy-title {
        font-size: 2.5rem !important;
    }
    
    h2, .section-title, .cta-title {
        font-size: 2rem !important;
    }
    
    .hero-subtitle, .pricing-subtitle, .privacy-subtitle {
        font-size: 1.1rem !important;
    }
    
    /* Header adjustments for mobile */
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    /* Footer adjustments for mobile */
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    /* Feature cards adjustments for mobile */
    .feature-cards {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }
    
    .feature-card {
        max-width: 100%;
        width: 100%;
    }
    
    /* Hero section adjustments for mobile */
    .hero {
        padding: 120px 0 40px;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .hero-image {
        max-width: 90%;
        margin: 0 auto;
    }
    
    /* Pricing section adjustments for mobile */
    .pricing-hero {
        padding: 140px 0 30px;
    }
    
    .pricing-plans {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .pricing-plan {
        max-width: 100%;
        width: 100%;
    }
    
    /* Privacy and terms adjustments for mobile */
    .privacy-hero {
        padding: 140px 0 30px;
    }
    
    .tab-navigation {
        flex-direction: column;
    }
    
    .tab-button {
        text-align: center;
        padding: 15px 10px;
    }
    
    .legal-content {
        padding: 30px 20px;
    }
    
    /* Get StudyCap page adjustments */
    .step-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .step-text {
        order: 2;
    }
    
    .step-image {
        order: 1;
        max-width: 100%;
    }
    
    .step-card {
        padding: 30px 20px 20px;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
}

/* Additional responsive breakpoint for very small screens */
@media (max-width: 480px) {
    h1, .hero-title, .pricing-title, .privacy-title {
        font-size: 2rem !important;
    }
    
    h2, .section-title, .cta-title {
        font-size: 1.8rem !important;
    }
    
    .hero {
        padding: 100px 0 30px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .pricing-plan {
        padding: 30px 20px;
    }
    
    .plan-name {
        font-size: 1.8rem;
    }
}

/* Maintain momentum scrolling on iOS */
@media (pointer: coarse) {
    html, body {
        -webkit-overflow-scrolling: touch;
    }
}

/* Touch device specific styles */
.touch-device {
    cursor: auto !important;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

.touch-device * {
    cursor: auto !important;
}

.touch-device .btn,
.touch-device .tab-button,
.touch-device .pricing-plan,
.touch-device .feature-card,
.touch-device nav a,
.touch-device .footer-links a {
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

.touch-device .btn:active,
.touch-device .tab-button:active,
.touch-device .pricing-plan:active {
    transform: scale(0.98);
    transition: transform 0.1s;
}

/* Menu open state for mobile */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* Active nav link */
nav a.active {
    color: var(--primary-color);
}

nav a.active::after {
    width: 100%;
    opacity: 1;
}

/* Fix iOS input styling */
input, textarea, select, button {
    -webkit-appearance: none;
    border-radius: var(--border-radius);
}