/* ============================================
   INDEX / HOME PAGE - CSS COMPLETO
   ============================================ */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: #ffffff;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.5rem;
    color: #1f2937;
}

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

.logo-co {
    color: #3b82f6;
}

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

.nav-link {
    text-decoration: none;
    color: #6b7280;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #3b82f6;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: #1f2937;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 6rem 0 4rem 0;
    color: white;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
}

/* Search Container */
.search-container {
    max-width: 600px;
    margin: 0 auto 3rem auto;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 1.25rem 3.5rem 1.25rem 1.5rem;
    font-size: 1rem;
    border: none;
    border-radius: 50px;
    background: white;
    color: #1f2937;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.05);
}

/* Stats Row */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9375rem;
    opacity: 0.9;
}

/* Categories Navigation */
.categories-nav {
    padding: 3rem 0;
    background: #f9fafb;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.category-card:hover {
    border-color: #3b82f6;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.category-count {
    color: #6b7280;
    font-size: 0.9375rem;
}

/* Tools Section */
.tools-section {
    padding: 4rem 0;
}

.tools-section:nth-child(even) {
    background: #f9fafb;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-icon {
    font-size: 3rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #6b7280;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Tool Card */
.tool-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.tool-card.available:hover {
    border-color: #3b82f6;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.tool-card:not(.available) {
    opacity: 0.6;
    cursor: not-allowed;
}

.tool-card:not(.available):hover {
    transform: none;
    border-color: #e5e7eb;
}

.tool-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.tool-description {
    font-size: 0.9375rem;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

.tool-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    background: #10b981;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 6px;
}

.tool-badge.soon {
    background: #fbbf24;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 5rem 0;
    text-align: center;
    color: white;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-text {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: #667eea;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
/* ========================================
   FOOTER MEJORADO - PROFESIONAL
   ======================================== */

.footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #e2e8f0;
    padding: 60px 0 0 0;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Columna "Sobre nosotros" */
.footer-about {
    padding-right: 20px;
}

.footer-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
}

.footer-icon {
    font-size: 1.75rem;
}

.footer-text {
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.footer-stats {
    display: flex;
    gap: 30px;
}

.footer-stat {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-stat .stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: #667eea;
}

.footer-stat .stat-label {
    font-size: 0.85rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Columnas de links */
.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-links li a::before {
    content: '→';
    position: absolute;
    left: -18px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links li a:hover {
    color: #667eea;
    transform: translateX(5px);
}

.footer-links li a:hover::before {
    opacity: 1;
    left: -15px;
}

/* Redes sociales */
.footer-social {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social-text {
    font-size: 0.9rem;
    color: #94a3b8;
    margin-bottom: 12px;
    font-weight: 500;
}

.social-link {
    display: inline-block;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    margin-right: 15px;
    transition: all 0.3s ease;
}

.social-link:hover {
    color: #667eea;
    transform: translateY(-2px);
}

/* Footer Bottom */
.footer-bottom {
    padding: 30px 0;
    text-align: center;
}

.footer-bottom-content {
    margin-bottom: 15px;
}

.footer-copyright {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.footer-tagline {
    color: #94a3b8;
    font-size: 0.9rem;
    font-style: italic;
}

.footer-disclaimer {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer p {
    color: #64748b;
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 900px;
    margin: 0 auto;
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablets */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px 30px;
    }

    .footer-about {
        grid-column: 1 / -1;
        padding-right: 0;
        text-align: center;
    }

    .footer-stats {
        justify-content: center;
    }

    .footer-title {
        justify-content: center;
    }
}

/* Móviles */
@media (max-width: 640px) {
    .footer {
        padding: 40px 0 0 0;
        margin-top: 60px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-about {
        text-align: center;
    }

    .footer-title {
        font-size: 1.3rem;
        justify-content: center;
    }

    .footer-text {
        font-size: 0.9rem;
    }

    .footer-stats {
        justify-content: center;
        gap: 40px;
    }

    .footer-heading {
        font-size: 0.95rem;
        text-align: center;
    }

    .footer-links {
        align-items: center;
        text-align: center;
    }

    .footer-links li a::before {
        display: none;
    }

    .footer-links li a:hover {
        transform: translateX(0);
    }

    .footer-social {
        text-align: center;
    }

    .footer-bottom {
        padding: 25px 0;
    }

    .footer-copyright,
    .footer-tagline {
        font-size: 0.85rem;
    }

    .footer-disclaimer p {
        font-size: 0.8rem;
    }
}

/* Animaciones */
@media (prefers-reduced-motion: no-preference) {
    .footer-links li a,
    .social-link {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}
/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tool-card {
    animation: fadeInUp 0.5s ease backwards;
}

.tool-card:nth-child(1) { animation-delay: 0.05s; }
.tool-card:nth-child(2) { animation-delay: 0.1s; }
.tool-card:nth-child(3) { animation-delay: 0.15s; }
.tool-card:nth-child(4) { animation-delay: 0.2s; }
.tool-card:nth-child(5) { animation-delay: 0.25s; }
.tool-card:nth-child(6) { animation-delay: 0.3s; }

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0 0 1rem 0;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin: 0 0 2rem 0;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    opacity: 0.95;
}

.hero-feature-icon {
    font-size: 1.5rem;
}

/* Categories Section */
.categories-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 4rem 2rem;
}

.category-block {
    margin-bottom: 4rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-info h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 0.5rem 0;
}

.category-description {
    font-size: 1rem;
    color: #6b7280;
    margin: 0;
}

/* Calculators Grid */
.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Calculator Card */
.calculator-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.calculator-card:hover {
    border-color: #3b82f6;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.15);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
}

.card-description {
    font-size: 0.9375rem;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-tag {
    padding: 0.375rem 0.75rem;
    background: #f3f4f6;
    color: #374151;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
}

.card-tag.popular {
    background: #fef3c7;
    color: #92400e;
}

.card-tag.new {
    background: #d1fae5;
    color: #065f46;
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    padding: 4rem 2rem;
    margin: 4rem 0;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1f2937;
    margin: 0 0 0.5rem 0;
}

.stat-label {
    font-size: 1rem;
    color: #6b7280;
    margin: 0;
}

/* Features Section */
.features-section {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
}

.features-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    text-align: center;
    margin: 0 0 3rem 0;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 0.75rem 0;
}

.feature-text {
    font-size: 0.9375rem;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    margin: 4rem 0;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
}

.cta-text {
    font-size: 1.125rem;
    margin: 0 0 2rem 0;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: white;
    color: #667eea;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Coming Soon Card */
.calculator-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.calculator-card.coming-soon::after {
    content: 'Próximamente';
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    background: #fbbf24;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 6px;
}

.calculator-card.coming-soon:hover {
    transform: none;
    border-color: #e5e7eb;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .calculators-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .category-info h2 {
        font-size: 1.5rem;
    }

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

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

    .stats-container {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 3rem 1.5rem;
    }

    .categories-section {
        padding: 0 1.5rem 3rem 1.5rem;
    }

    .category-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .calculator-card {
        padding: 1.25rem;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

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

.calculator-card {
    animation: fadeInUp 0.5s ease backwards;
}

.calculator-card:nth-child(1) { animation-delay: 0.1s; }
.calculator-card:nth-child(2) { animation-delay: 0.2s; }
.calculator-card:nth-child(3) { animation-delay: 0.3s; }
.calculator-card:nth-child(4) { animation-delay: 0.4s; }
.calculator-card:nth-child(5) { animation-delay: 0.5s; }
.calculator-card:nth-child(6) { animation-delay: 0.6s; }