/* Variables CSS */
:root {
    --primary-color: #8B5CF6;
    --secondary-color: #3B82F6;
    --dark-bg: #0F172A;
    --light-bg: #F8FAFC;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --card-bg: #FFFFFF;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode variables */
body.dark-mode {
    --light-bg: #1E293B;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --border-color: #334155;
    --card-bg: #334155;
    --dark-bg: #0F172A;
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

body.dark-mode .header {
    background: rgba(30, 41, 59, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 40px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 20px;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(59, 130, 246, 0.05));
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 2;
    position: relative;
}

.hero-badges {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.badge {
    padding: 6px 12px;
    background: var(--gradient);
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    animation: slideInDown 0.5s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* Floating Cards */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float-card 4s ease-in-out infinite;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

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

.card-2 {
    top: 30%;
    right: 10%;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20%;
    left: 15%;
    animation-delay: 2s;
}

.card-icon {
    font-size: 2rem;
}

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

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Privacy Section */
.privacy-section {
    padding: 80px 20px;
    background: var(--light-bg);
}

.policy-selector {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.selector-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.selector-group label {
    font-weight: 600;
    color: var(--text-secondary);
}

.custom-select {
    padding: 10px 16px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.custom-select:hover,
.custom-select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.policy-container {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: 40px;
}

.policy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.1));
    border-bottom: 1px solid var(--border-color);
}

#policy-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.policy-actions {
    display: flex;
    gap: 10px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: none;
    background: var(--card-bg);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.policy-iframe {
    width: 100%;
    height: 600px;
    border: none;
}

/* Quick Links */
.quick-links {
    margin-top: 40px;
}

.quick-links h4 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    text-align: center;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--card-bg);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border: 2px solid transparent;
}

.quick-link:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.link-icon {
    font-size: 1.5rem;
}

/* Features Section */
.features-section {
    padding: 80px 20px;
    background: linear-gradient(180deg, var(--light-bg), rgba(139, 92, 246, 0.05));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

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

/* Contact Section */
.contact-section {
    padding: 80px 20px;
    background: var(--light-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    transition: var(--transition);
}

.info-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    font-size: 2rem;
}

.info-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.info-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

/* FAQ Section */
.faq-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.faq-item {
    margin-bottom: 10px;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(139, 92, 246, 0.05);
}

.faq-arrow {
    transition: transform 0.3s;
}

.faq-question.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    color: var(--text-secondary);
    transition: max-height 0.3s, padding 0.3s;
}

.faq-answer.show {
    max-height: 200px;
    padding: 0 20px 20px;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: #94A3B8;
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 10px;
}

.footer-description {
    color: #94A3B8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-column h4 {
    color: white;
    margin-bottom: 12px;
}

.footer-column a {
    display: block;
    color: #94A3B8;
    text-decoration: none;
    margin-bottom: 8px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #334155;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top:hover {
    transform: scale(1.1);
}

.scroll-to-top.show {
    display: flex;
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card-bg);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .floating-card {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .policy-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .policy-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .policy-selector {
        flex-direction: column;
        width: 100%;
    }
    
    .selector-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .custom-select {
        flex: 1;
    }
}

/* Print Styles */
@media print {
    .header, .footer, .scroll-to-top, .policy-actions, .quick-links {
        display: none;
    }
    
    .policy-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .policy-iframe {
        height: auto;
    }
}

/* Animations for scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Fullscreen mode adjustments */
.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: var(--light-bg);
}

.fullscreen .policy-iframe {
    height: calc(100vh - 60px);
}