/* Reset dan Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header & Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo-text {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #f9ca24);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #fff, #f1c40f, #e74c3c, #fff);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 4s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Images */
.hero-image {
    margin: 2rem 0;
    text-align: center;
}

.responsive-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.responsive-image:hover {
    transform: scale(1.05);
}

/* CTA Buttons */
.cta-container {
    margin: 2rem 0;
    text-align: center;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.6);
    background: linear-gradient(45deg, #4ecdc4, #ff6b6b);
}

.cta-button.large {
    font-size: 1.3rem;
    padding: 20px 40px;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.95);
    margin: 2rem 0;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

.content-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px rgba(240, 147, 251, 0.3);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.feature-card p {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

/* Devices Grid */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.device-category {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px rgba(79, 172, 254, 0.3);
    transition: transform 0.3s ease;
}

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

.device-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #fff;
}

/* Advantages Section */
.advantages-content {
    max-width: 900px;
    margin: 0 auto;
}

.advantage-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    color: #667eea;
    border-left: 4px solid #667eea;
    padding-left: 1rem;
}

/* Guide Steps */
.guide-steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(168, 237, 234, 0.3);
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

/* Comparison Section */
.comparison-content {
    max-width: 900px;
    margin: 0 auto;
}

.comparison-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    color: #764ba2;
    border-left: 4px solid #764ba2;
    padding-left: 1rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(252, 182, 159, 0.3);
    transition: transform 0.3s ease;
}

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

.testimonial-author {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #d63031;
    font-weight: bold;
}

/* FAQ Section */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.faq-question {
    padding: 1.5rem;
    color: white;
    font-size: 1.2rem;
    margin: 0;
    cursor: pointer;
    transition: background 0.3s ease;
}

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

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Conclusion Section */
.conclusion-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.final-cta {
    margin-top: 3rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 2rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f1c40f;
}

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

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

.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #f1c40f;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #7f8c8d;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .devices-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .logo-text {
        font-size: 2rem;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 1rem;
    }
    
    .cta-button.large {
        font-size: 1.1rem;
        padding: 15px 30px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #764ba2, #667eea);
}

/* Contact Page Styles */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

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

.contact-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-card a {
    color: #f1c40f;
    text-decoration: none;
    font-weight: bold;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* Contact Form Styles */
.contact-form-section {
    margin: 4rem 0;
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 20px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Quick FAQ */
.quick-faq {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.quick-faq-item {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(168, 237, 234, 0.3);
}

.quick-faq-item h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.1rem;
}

/* Terms and Privacy Page Styles */
.terms-content,
.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.terms-content h2,
.privacy-content h2 {
    color: #667eea;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.terms-content h3,
.privacy-content h3 {
    color: #764ba2;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.terms-content ul,
.privacy-content ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.terms-content li,
.privacy-content li {
    margin-bottom: 0.5rem;
}

.terms-content a,
.privacy-content a {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
}

.terms-content a:hover,
.privacy-content a:hover {
    text-decoration: underline;
}

.terms-footer,
.privacy-footer {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin-top: 3rem;
    text-align: center;
}

/* Active navigation link */
.nav-link.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

/* Additional responsive adjustments */
@media (max-width: 768px) {
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .contact-form-section {
        padding: 2rem 1rem;
    }
    
    .terms-content,
    .privacy-content {
        padding: 0 1rem;
    }
    
    .quick-faq {
        grid-template-columns: 1fr;
    }
}

/* Print styles for legal pages */
@media print {
    .navbar,
    .footer,
    .cta-button {
        display: none;
    }
    
    .terms-content,
    .privacy-content {
        color: #000;
        background: #fff;
    }
    
    .terms-content h2,
    .privacy-content h2 {
        color: #000;
        border-bottom: 1px solid #000;
    }
}