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

:root {
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #ef4444;
    --secondary: #991b1b;
    --accent: #f87171;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #fef2f2;
    --white: #ffffff;
    --border: #fecaca;
    --shadow: 0 2px 8px rgba(220, 38, 38, 0.1);
    --shadow-lg: 0 10px 30px rgba(220, 38, 38, 0.2);
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    font-size: 14px;
}

.header-main {
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 32px;
}

.nav {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 15px;
    border-radius: 8px;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav .btn {
    background: var(--white);
    color: var(--primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.95), rgba(153, 27, 27, 0.95));
    color: var(--white);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,170.7C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

.btn-white {
    background: var(--white);
    color: var(--primary);
}

.btn-white:hover {
    background: var(--bg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

/* Search Box */
.search-box {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin: -50px auto 50px;
    max-width: 900px;
    position: relative;
    z-index: 10;
}

.search-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.search-form select,
.search-form input {
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.search-form select:focus,
.search-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-form button {
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-form button:hover {
    background: var(--primary-dark);
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--text);
    font-weight: 700;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.category-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    transition: var(--transition);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.category-icon {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 15px;
}

.category-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

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

/* Ads Grid */
.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.ad-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    position: relative;
}

.ad-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.ad-card.featured {
    border: 3px solid var(--primary);
}

.ad-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.ad-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: var(--border);
}

.ad-content {
    padding: 20px;
}

.ad-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary);
}

.ad-meta {
    display: flex;
    gap: 15px;
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.ad-location {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 10px;
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 50px auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

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

/* Chat */
.chat-container {
    max-width: 800px;
    margin: 30px auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 600px;
}

.chat-header {
    background: var(--primary);
    color: var(--white);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg);
}

.chat-message {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
}

.chat-message.sent {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.message-bubble {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.chat-message.sent .message-bubble {
    background: var(--primary);
    color: var(--white);
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 5px;
}

.chat-input-area {
    padding: 20px;
    background: var(--white);
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    align-items: center;
}

.chat-input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 25px;
    font-size: 14px;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-send-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.chat-send-btn:hover {
    background: var(--primary-dark);
}

/* Footer */
.footer {
    background: var(--secondary);
    color: var(--white);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    font-size: 18px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.8;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 10px;
        margin-top: 15px;
    }
    
    .nav.active {
        display: flex;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .ads-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .chat-container {
        height: 500px;
    }
    
    .form-container {
        padding: 20px;
        margin: 20px;
    }
}

/* Notifications */
.notification-badge {
    position: relative;
}

.notification-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border-color: var(--primary);
    position: relative;
}

.pricing-card.popular::before {
    content: 'MÁS POPULAR';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-title {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text);
}

.pricing-price {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin: 20px 0;
}

.pricing-price span {
    font-size: 18px;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li i {
    color: var(--primary);
}

/* CAPTCHA Styles */
.captcha-container {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.captcha-container img {
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.captcha-container img:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

input[name="captcha"] {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: bold;
    font-size: 18px;
    text-align: center;
}

.captcha-refresh {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 14px;
    padding: 5px 0;
    margin-top: 10px;
    transition: var(--transition);
}

.captcha-refresh:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Íconos de categorías mejorados */
.category-icon {
    font-size: 48px;
    margin-bottom: 15px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.category-card:hover .category-icon {
    transform: scale(1.1);
}

.category-icon i {
    transition: transform 0.3s ease;
}

/* Animación especial para "Pareja busca Pareja" */
.category-card:hover .category-icon .fa-people-arrows {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}