/* Global Styles */
:root {
    --primary-color: #ff6b35;
    --secondary-color: #1a1a2e;
    --accent-color: #16213e;
    --gold-color: #ffd700;
    --text-light: #ffffff;
    --text-gray: #b8b8b8;
    --text-dark: #333333;
    --gradient-1: linear-gradient(135deg, #ff6b35 0%, #ff8e53 100%);
    --gradient-2: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-3: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    --shadow-soft: 0 8px 32px rgba(255, 107, 53, 0.15);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: var(--gradient-2);
    overflow-x: hidden;
}

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

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-light);
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.25);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
}


.navbar {
    padding: 15px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--text-light);
}

.brand-logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    display: block;
    color: var(--text-light);
    font-weight: 600;
}

.hero-description {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: var(--shadow-soft);
    animation: floatingCards 4s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    left: -10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    right: 10%;
    animation-delay: 2s;
}

@keyframes floatingCards {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-15px) scale(1.1); }
}

/* Table of Contents */
.toc-section {
    padding: 80px 0;
    background: rgba(22, 33, 62, 0.5);
}

.toc-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.toc-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

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

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-light);
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
}

.toc-item:hover {
    background: rgba(255, 107, 53, 0.1);
    transform: translateX(10px);
}

.toc-number {
    background: var(--gradient-1);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.toc-text {
    font-weight: 500;
}

/* Bonus Section */
.bonus-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.bonus-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
}

.bonus-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.bonus-image {
    position: relative;
}

.bonus-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.bonus-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: var(--gradient-3);
    color: var(--text-dark);
    padding: 15px 20px;
    border-radius: 50px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.bonus-percent {
    display: block;
    font-size: 24px;
    font-weight: 900;
}

.bonus-text {
    font-size: 12px;
    font-weight: 600;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.section-description {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* Screenshots Section */
.screenshots-section {
    padding: 100px 0;
    background: rgba(22, 33, 62, 0.3);
}

.screenshots-slider {
    position: relative;
    max-width: 400px;
    margin: 60px auto 0;
}

.slider-container {
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.slide {
    display: none;
    width: 100%;
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 107, 53, 0.9);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
    z-index: 2;
}

.slider-btn:hover {
    background: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: -25px;
}

.slider-btn.next {
    right: -25px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active,
.dot:hover {
    background: var(--primary-color);
}

/* Features Section */
.features-section {
    padding: 100px 0;
}

.features-header {
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 107, 53, 0.1);
    box-shadow: var(--shadow-card);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 32px;
    color: white;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-light);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

.specs-table {
    max-width: 800px;
    margin: 0 auto;
}

.specs-title {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-light);
}

.table-wrapper {
    overflow-x: auto;
}

.specs {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    border-collapse: collapse;
}

.specs td {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 16px;
}

.specs td:first-child {
    font-weight: 600;
    background: rgba(255, 107, 53, 0.1);
    width: 40%;
}

.specs td i {
    margin-right: 10px;
    color: var(--primary-color);
}

/* Installation Section */
.installation-section {
    padding: 100px 0;
    background: rgba(22, 33, 62, 0.3);
}

.ios-section {
    background: rgba(26, 26, 46, 0.5);
}

.installation-steps {
    margin: 60px 0;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

.step::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 80px;
    width: 2px;
    height: calc(100% - 60px);
    background: linear-gradient(to bottom, var(--primary-color), transparent);
}

.step:last-child::after {
    display: none;
}

.step-number {
    background: var(--gradient-1);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-soft);
}

.step-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    flex: 1;
}

.step-image img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
}

.step-text h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-light);
}

.step-text p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 16px;
}

.link-primary {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

.download-section {
    text-align: center;
    margin-top: 60px;
}

/* Functionality Section */
.functionality-section {
    padding: 100px 0;
}

.functionality-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.functionality-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.features-list {
    list-style: none;
    margin-top: 30px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
    color: var(--text-gray);
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list i {
    color: var(--primary-color);
    font-size: 18px;
    flex-shrink: 0;
}

/* Info Sections */
.info-section {
    padding: 100px 0;
    background: rgba(22, 33, 62, 0.3);
}

.deposit-section {
    background: rgba(26, 26, 46, 0.5);
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 60px 40px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.registration-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.method-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.method-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 53, 0.1);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: white;
}

.method-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-light);
}

.method-card p {
    color: var(--text-gray);
    font-size: 14px;
}

.registration-form-info {
    text-align: center;
    margin-top: 40px;
}

.registration-form-info h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-light);
}

.registration-form-info ul {
    list-style: none;
    display: inline-block;
    text-align: left;
    margin-bottom: 20px;
}

.registration-form-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--text-gray);
}

.registration-form-info i {
    color: var(--primary-color);
}

.warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--border-radius);
    padding: 20px;
    color: #ffc107;
    font-weight: 500;
}

.warning i {
    margin-right: 10px;
}

/* Deposit Section */
.deposit-info {
    margin-top: 50px;
}

.deposit-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

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

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 30px;
    color: white;
}

.deposit-step h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-light);
}

.deposit-step p {
    color: var(--text-gray);
    font-size: 14px;
}

.deposit-timing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.timing-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.timing-card i {
    color: var(--primary-color);
    font-size: 30px;
    margin-bottom: 15px;
}

.timing-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-light);
}

.timing-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Reviews Section */
.reviews-section {
    padding: 100px 0;
    background: rgba(22, 33, 62, 0.3);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin: 60px 0;
}

.review-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.review-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 107, 53, 0.1);
    box-shadow: var(--shadow-card);
}

.review-stars {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 25px;
}

.review-stars i {
    color: var(--gold-color);
    font-size: 20px;
}

.review-text {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 30px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.author-name {
    font-weight: 600;
    color: var(--text-light);
}

.reviews-cta {
    text-align: center;
    margin-top: 60px;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: rgba(26, 26, 46, 0.5);
}

.faq-container {
    max-width: 800px;
    margin: 60px auto 0;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 107, 53, 0.1);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(255, 107, 53, 0.1);
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 18px;
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 107, 53, 0.1);
}

.footer-text {
    color: var(--text-gray);
    margin: 0;
}

/* Scroll to Top */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-soft);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(26, 26, 46, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 50px 0;
        transition: left 0.3s;
        backdrop-filter: blur(20px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .bonus-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .step-content {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    
    .functionality-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .toc-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .slider-btn.prev {
        left: -20px;
    }
    
    .slider-btn.next {
        right: -20px;
    }
}