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

:root {
    --primary-color: #00a8ff;
    --dark-bg: #1a1f2e;
    --darker-bg: #151820;
    --text-light: #ffffff;
    --text-gray: #a0a8b8;
    --card-bg: #242938;
    --hover-color: #0095e6;
    --accent-color: #00d9ff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--darker-bg);
}

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

/* Header & Navigation */
header {
    background-color: var(--dark-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar {
    padding: 1rem 0;
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    padding: 80px 20px;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.cta-button:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 60px 20px;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.why-choose {
    background-color: var(--dark-bg);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.text-content h2 {
    text-align: left;
}

.text-content p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* TapTweak Logo Animation */
.taptweak-logo-wrapper {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    padding: 40px;
}

.taptweak-logo-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    opacity: 0.15;
    animation: pulse-glow 3s ease-in-out infinite;
    z-index: -1;
}

.taptweak-logo {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 10px 30px rgba(0, 168, 255, 0.4));
    animation: float-rotate 6s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.taptweak-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 15px 40px rgba(0, 168, 255, 0.6));
}

/* Keyframe Animations */
@keyframes float-rotate {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(2deg);
    }
    50% {
        transform: translateY(-10px) rotate(0deg);
    }
    75% {
        transform: translateY(-15px) rotate(-2deg);
    }
    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

@keyframes pulse-glow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.15;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.25;
    }
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 168, 255, 0.2);
}

.feature-card .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

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

/* About Section */
.about-taptweak {
    background-color: var(--dark-bg);
}

.about-taptweak h2 {
    margin-bottom: 2rem;
}

.about-taptweak > .container > p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--text-gray);
    font-size: 1.1rem;
}

.safety-list {
    max-width: 700px;
    margin: 0 auto;
    list-style: none;
}

.safety-list li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--card-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
    color: var(--text-gray);
}

/* Categories */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

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

.category-card p {
    color: var(--text-gray);
}

/* How to Download */
.how-to-download {
    background-color: var(--dark-bg);
}

.steps-list {
    max-width: 800px;
    margin: 2rem auto;
    list-style: none;
    counter-reset: step-counter;
}

.steps-list li {
    counter-increment: step-counter;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background-color: var(--card-bg);
    border-radius: 8px;
    position: relative;
    padding-left: 80px;
}

.steps-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.steps-list strong {
    color: var(--primary-color);
}

.how-to-download > .container > p {
    max-width: 800px;
    margin: 0 auto 1rem;
    color: var(--text-gray);
}

/* Benefits Section */
.taptweak-benefits {
    background-color: var(--dark-bg);
}

.taptweak-benefits > .container > p {
    max-width: 900px;
    margin: 0 auto 2rem;
    color: var(--text-gray);
    text-align: center;
    font-size: 1.1rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.benefit-item {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border-top: 3px solid var(--primary-color);
    transition: transform 0.3s;
}

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

.benefit-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit-item p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.review-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.review-card p {
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: 1rem;
}

.reviewer {
    color: var(--primary-color);
    font-weight: 600;
}

.review-summary {
    text-align: center;
    max-width: 900px;
    margin: 2rem auto 0;
    color: var(--text-gray);
    font-size: 1.1rem;
    font-weight: 500;
}

/* FAQ */
.faq {
    background-color: var(--dark-bg);
}

.faq-list {
    max-width: 900px;
    margin: 2rem auto;
}

.faq-item {
    background-color: var(--card-bg);
    padding: 2rem;
    margin-bottom: 1rem;
    border-radius: 8px;
}

.faq-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.faq-item p {
    color: var(--text-gray);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    text-align: center;
    padding: 80px 20px;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section .cta-button {
    background-color: var(--text-light);
    color: var(--primary-color);
}

.cta-section .cta-button:hover {
    background-color: var(--text-gray);
}

/* Footer */
footer {
    background-color: var(--darker-bg);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--card-bg);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
    color: var(--text-gray);
    font-size: 0.95rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--card-bg);
    color: var(--text-gray);
}

/* Legal Pages */
.legal-page {
    padding: 60px 20px;
    background-color: var(--darker-bg);
}

.legal-page .container {
    max-width: 900px;
}

.legal-page h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.last-updated {
    color: var(--text-gray);
    font-style: italic;
    margin-bottom: 3rem;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: left;
}

.legal-section h3 {
    font-size: 1.3rem;
    color: var(--text-light);
    margin: 1.5rem 0 0.5rem;
}

.legal-section p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.legal-section ul,
.legal-section ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-section li {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.legal-section a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

.legal-section strong {
    color: var(--text-light);
}

/* Contact Page */
.contact-page {
    padding: 60px 20px;
}

.contact-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.contact-form {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--dark-bg);
    border-radius: 5px;
    background-color: var(--darker-bg);
    color: var(--text-light);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.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: 120px;
}

.submit-button {
    width: 100%;
    padding: 15px;
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: var(--hover-color);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    background-color: rgba(0, 168, 0, 0.2);
    border: 1px solid rgba(0, 168, 0, 0.5);
    color: #00ff00;
    display: block;
}

.form-message.error {
    background-color: rgba(255, 0, 0, 0.2);
    border: 1px solid rgba(255, 0, 0, 0.5);
    color: #ff6b6b;
    display: block;
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 10px;
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.info-card ul {
    list-style: none;
    margin-left: 0;
}

.info-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--dark-bg);
}

.info-card li:last-child {
    border-bottom: none;
}

.contact-reasons,
.support-tips {
    margin-top: 4rem;
}

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

.reason-item {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
}

.reason-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.reason-item p {
    color: var(--text-gray);
}

.support-tips {
    background-color: var(--dark-bg);
    padding: 3rem;
    border-radius: 10px;
}

.tips-content p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.tips-list {
    list-style: none;
}

.tips-list li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--card-bg);
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
    color: var(--text-gray);
}

.tips-list strong {
    color: var(--primary-color);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--dark-bg);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        display: none;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 0.5rem 20px;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .text-content h2 {
        text-align: center;
    }

    .features-grid,
    .category-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .reasons-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .cta-section h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .hero {
        padding: 50px 20px;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 0.95rem;
    }

    .feature-card,
    .category-card,
    .review-card {
        padding: 1.5rem;
    }

    .taptweak-logo-wrapper {
        max-width: 350px;
        padding: 30px;
    }

    .legal-page h1,
    .contact-header h1 {
        font-size: 2rem;
    }
}