/* Variables y estilos base */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #242424;
    --accent-pink: #ff3b9c;
    --accent-purple: #9b4dff;
    --accent-colombia-yellow: #fedb00;
    --accent-colombia-blue: #003893;
    --accent-colombia-red: #ce1126;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --border-color: #333;
    --gradient: linear-gradient(135deg, #ff3b9c, #9b4dff);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo h1 {
    font-size: 1.8rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.colombia-badge {
    font-size: 0.8rem;
    background: linear-gradient(135deg, #fedb00, #003893, #ce1126);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    border: 1px solid #fedb00;
    border-radius: 5px;
    padding: 2px 5px;
    margin-left: 5px;
}

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

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-pink);
}

/* Botones */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

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

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

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 59, 156, 0.3);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Hero */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h2 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

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

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-pink);
}

.hero-map-text {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Search */
.search-section {
    padding: 50px 0;
}

.search-container {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 30px;
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-group label {
    color: var(--text-secondary);
}

.city-select {
    padding: 10px;
    background: var(--bg-primary);
    color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.age-inputs {
    display: flex;
    gap: 10px;
    align-items: center;
}

.age-inputs input {
    width: 80px;
    padding: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.search-btn {
    height: 45px;
}

/* Profiles Grid */
.profiles-section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

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

.profiles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.profile-card {
    background: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
    transition: transform 0.3s;
}

.profile-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(255, 59, 156, 0.2);
}

.profile-image {
    width: 100%;
    height: 150px;
    background: linear-gradient(45deg, var(--accent-pink), var(--accent-purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.profile-badge {
    background: var(--accent-colombia-yellow);
    color: black;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 10px;
}

.profile-interests {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin: 10px 0;
}

.interest-tag {
    background: var(--bg-primary);
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--accent-pink);
}

/* Features */
.features-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 15px;
}

.feature-card i {
    color: var(--accent-pink);
    margin-bottom: 20px;
}

/* Donations */
.donations-section {
    padding: 80px 0;
}

.donations-badge {
    text-align: center;
    color: var(--accent-pink);
    margin-bottom: 20px;
    font-weight: 600;
}

.donations-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

.donations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto 40px;
}

.donation-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    position: relative;
}

.donation-card.popular {
    border: 2px solid var(--accent-pink);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-pink);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
}

.donation-amount {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-pink);
}

.donation-progress {
    max-width: 800px;
    margin: 0 auto;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.progress-bar {
    height: 10px;
    background: var(--bg-card);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient);
    transition: width 0.3s;
}

.donation-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
    padding: 15px;
    background: var(--bg-card);
    border-radius: 50px;
}

/* Events */
.events-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.event-card {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--bg-card);
    padding: 15px;
    border-radius: 12px;
}

.event-date {
    background: var(--gradient);
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    text-align: center;
}

/* Testimonials */
.testimonials-section {
    padding: 80px 0;
}

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

.testimonial-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
}

.testimonial-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 50px 0;
    border-top: 1px solid var(--border-color);
}

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

.footer-info h3 {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.footer-contact {
    margin-top: 10px;
    color: var(--accent-pink);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
}

.modal-content {
    background: var(--bg-card);
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    border-radius: 15px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
}

.modal input,
.modal select {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
}

/* Popup */
.donation-popup {
    position: fixed;
    bottom: 30px;
    right: 30px;
    max-width: 350px;
    background: var(--bg-card);
    border-radius: 15px;
    padding: 25px;
    display: none;
    z-index: 1500;
}

.perfil-header {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 30px;
}

.perfil-actions {
    margin-left: auto;
}

.popup-content {
    position: relative;
    text-align: center;
}

.popup-close {
    position: absolute;
    top: -10px;
    right: -10px;
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Center button */
.center-btn {
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .hero-buttons {
        display: flex;
        justify-content: center;
    }

    .profiles-grid,
    .features-grid,
    .events-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* Menú Móvil */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 15px;
}

/* Botón volver móvil */
.mobile-back-btn {
    display: none;
    background: none;
    border: none;
    color: var(--accent-pink);
    font-size: 1.5rem;
    cursor: pointer;
    margin-right: 15px;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .mobile-back-btn {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(26, 26, 26, 0.98);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        z-index: 999;
    }

    .nav-menu.active {
        display: block;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
}

/* ===== Mobile Bottom Navigation ===== */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    background: rgba(20, 20, 20, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 59, 156, 0.25);
    padding: 8px 0 4px;
    padding-bottom: env(safe-area-inset-bottom, 4px);
    /* iPhone notch */
}

.mobile-bottom-nav .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 600;
    transition: color 0.2s ease, transform 0.2s ease;
    flex: 1;
    padding: 4px 0;
}

.mobile-bottom-nav .mobile-nav-item i {
    font-size: 1.4rem;
    transition: transform 0.2s ease;
}

.mobile-bottom-nav .mobile-nav-item.active,
.mobile-bottom-nav .mobile-nav-item:active {
    color: var(--accent-pink);
}

.mobile-bottom-nav .mobile-nav-item.active i {
    filter: drop-shadow(0 0 5px rgba(255, 59, 156, 0.6));
}

.mobile-bottom-nav .mobile-nav-item:active i {
    transform: scale(0.9);
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
        justify-content: space-around;
    }

    /* Add padding to body content so it doesn't hide under the bar */
    body {
        padding-bottom: 65px;
    }
}


@media (max-width: 420px) {
    #headerUsername {
        display: none !important;
    }

    .logo h1 {
        font-size: 1.1rem;
    }

    .colombia-badge {
        font-size: 0.6rem;
        padding: 1px 3px;
    }

    .header-container {
        padding: 0 5px;
        gap: 5px;
    }

    .header-buttons .btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .mobile-back-btn,
    .mobile-menu-btn {
        margin-left: 5px;
        margin-right: 5px;
    }

    .hero {
        padding: 100px 0 50px;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .btn-large {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .features-grid,
    .testimonials-grid,
    .donations-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 50px 15px;
        padding: 20px;
    }
}