/* Variables CSS para temas */
:root {
    /* Tema Claro */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --accent-primary: #8b5cf6; /* Violeta */
    --accent-secondary: #ec4899; /* Rosado */
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 16px rgba(139, 92, 246, 0.2);
}

[data-theme="dark"] {
    /* Tema Oscuro */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-primary: #10b981; /* Verde */
    --accent-secondary: #3b82f6; /* Azul */
    --accent-gradient: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --border-color: #2a2a2a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 16px rgba(16, 185, 129, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo */
.logo-container {
    flex-shrink: 0;
}

.logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Categorías */
.nav-categories {
    display: flex;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

/* Dropdown Container */
.dropdown-container {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

.nav-link::after {
    display: none;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.dropdown-container:hover .dropdown-arrow,
.dropdown-container.active .dropdown-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    margin-top: 0;
    padding: 0.75rem 0;
    padding-top: 0.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Puente invisible para mantener el hover entre el nav-link y el dropdown */
.dropdown-container::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 0.5rem;
    background: transparent;
    z-index: 999;
    pointer-events: none;
}

[data-theme="dark"] .dropdown-menu {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.dropdown-container:hover .dropdown-menu,
.dropdown-container.hover-active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

.dropdown-container.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

@media (min-width: 769px) {
    .dropdown-container.active .dropdown-menu {
        transform: translateX(-50%) translateY(0);
    }
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: all 0.2s ease;
    position: relative;
}

/* Override para móviles - debe estar después del estilo general */
@media (max-width: 768px) {
    .nav-categories .dropdown-menu .dropdown-item,
    .nav-categories .dropdown-menu .dropdown-item:link,
    .nav-categories .dropdown-menu .dropdown-item:visited,
    .nav-categories .dropdown-menu .dropdown-item:hover,
    .nav-categories .dropdown-menu .dropdown-item:active {
        color: var(--accent-primary) !important;
        -webkit-text-fill-color: var(--accent-primary) !important;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--accent-primary);
    padding-left: 2rem;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.dropdown-item:hover::before {
    width: 4px;
}

/* Controles */
.nav-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-btn:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-icon {
    font-size: 1rem;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* Popular Tools Section */
.popular-tools-section {
    margin: 4rem 0;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.section-title-small {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title-small::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.popular-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.popular-tool-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
}

.popular-tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: grayscale(0.3);
    transition: transform 0.3s ease;
}

.popular-tool-card:hover .tool-icon {
    transform: scale(1.1);
    filter: grayscale(0);
}

.tool-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Stats Section */
.stats-section-wrapper {
    margin: 4rem 0;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.stats-section {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem 3rem;
    text-align: center;
    min-width: 200px;
    transition: all 0.3s ease;
}

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

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Contribute Section */
.contribute-section {
    margin: 4rem 0;
    padding: 3rem;
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.contribute-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.contribute-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contribute-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.contribute-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.contribute-btn.secondary:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
}

/* Tools Section */
.tools-section {
    margin-bottom: 5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

/* Botón hamburguesa (solo visible en móviles) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: all 0.3s ease;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: nowrap;
        padding: 1rem;
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
        order: 2;
    }

    .nav-controls {
        order: 3;
    }

    .nav-categories {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        margin-top: 0;
        padding: 0;
    }

    .nav-categories.active {
        max-height: 1000px;
        opacity: 1;
        visibility: visible;
        padding: 1rem 0;
        margin-top: 0.5rem;
    }

    .dropdown-container {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-categories > .dropdown-container:last-child,
    .nav-categories > a:last-child {
        border-bottom: none;
    }

    .nav-categories .nav-link {
        font-size: 0.95rem;
        padding: 1rem 1.5rem;
        width: 100%;
        justify-content: space-between;
        border-radius: 0;
        background: var(--accent-gradient) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
        font-weight: 600;
    }

    .nav-categories .nav-link:hover {
        background: var(--accent-gradient) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
        background-color: var(--bg-secondary);
    }

    .nav-categories .nav-link * {
        background: var(--accent-gradient) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
    }

    /* Asegurar que los items del dropdown NO hereden el transparent del nav-link */
    .nav-categories .dropdown-menu,
    .nav-categories .dropdown-menu *,
    .nav-categories .dropdown-item,
    .nav-categories .dropdown-item * {
        -webkit-text-fill-color: var(--accent-primary) !important;
        background: none !important;
        -webkit-background-clip: unset !important;
        background-clip: unset !important;
        color: var(--accent-primary) !important;
    }

    .nav-link:not(.dropdown-container .nav-link) {
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 1.5rem;
    }

    /* CAMBIO PRINCIPAL: Usar display en lugar de max-height */
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        width: 100% !important;
        margin-top: 0 !important;
        border-radius: 0 !important;
        border: none !important;
        border-top: 1px solid var(--border-color) !important;
        box-shadow: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        max-height: none !important;
        height: 0 !important;
        overflow: hidden !important;
        padding: 0 !important;
        transition: opacity 0.3s ease, visibility 0.3s ease, height 0.3s ease, padding 0.3s ease !important;
        background-color: var(--bg-secondary) !important;
        display: block !important;
    }

    .dropdown-container.active .dropdown-menu {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: all !important;
        height: auto !important;
        padding: 0.5rem 0 !important;
        overflow: visible !important;
    }

    .nav-categories .dropdown-menu .dropdown-item {
        padding: 0.875rem 2.5rem !important;
        font-size: 0.9rem !important;
        font-weight: 500 !important;
        color: var(--accent-primary) !important;
        -webkit-text-fill-color: var(--accent-primary) !important;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        position: relative !important;
        z-index: 10 !important;
        background: none !important;
        -webkit-background-clip: unset !important;
        background-clip: unset !important;
        height: auto !important;
        min-height: 44px !important;
        line-height: 1.5 !important;
    }

    .nav-categories .dropdown-menu .dropdown-item:hover {
        padding-left: 3rem !important;
        background-color: var(--bg-primary) !important;
        color: var(--accent-primary) !important;
        -webkit-text-fill-color: var(--accent-primary) !important;
    }

    .nav-categories .dropdown-arrow {
        background: var(--accent-gradient) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
        opacity: 1 !important;
    }

    .nav-categories .nav-link .dropdown-arrow {
        background: var(--accent-gradient) !important;
        -webkit-background-clip: text !important;
        -webkit-text-fill-color: transparent !important;
        background-clip: text !important;
        opacity: 1 !important;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .popular-tools-grid {
        grid-template-columns: 1fr;
    }

    .stats-section {
        gap: 1.5rem;
    }

    .stat-card {
        padding: 2rem 1.5rem;
        min-width: 150px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .contribute-section {
        padding: 2rem 1.5rem;
    }

    .contribute-buttons {
        flex-direction: column;
    }

    .contribute-btn {
        width: 100%;
        justify-content: center;
    }

    .section-title-small {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .nav-controls {
        gap: 0.5rem;
    }

    .control-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }

    .btn-text {
        display: none;
    }
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mejoras premium */
.control-btn:active {
    transform: translateY(0);
}

.nav-link:active {
    transform: scale(0.98);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
    padding: 3rem 0 1.5rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand {
    /* El ancho se controla con el grid */
}

.footer-logo {
    margin-bottom: 1rem;
}

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

.footer-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-list li {
    margin-bottom: 0.75rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-block;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.footer-open-source {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

/* Footer Responsive */
@media (max-width: 1200px) {
    .footer-content {
        grid-template-columns: 1.2fr repeat(4, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 2rem 0 1rem;
    }

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

    .footer-brand {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}