/* ========================================
   ESTILOS PARA LA PÁGINA PRINCIPAL
   ======================================== */

/* Fondo general de la página */
body {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f8fafc 100%);
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23667eea" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    padding-top: 4rem;
    position: relative;
    overflow: hidden;
    z-index: 0;
}

.hero-section::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.4;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-logo {
    margin: 0 auto 1rem;
    max-width: 12rem;
}

.hero-title {
    color: white;
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.5rem;
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
}

.hero-subtitle {
    color: white;
    font-size: var(--font-size-xl);
    margin-bottom: 2rem;
    line-height: var(--line-height-relaxed);
    letter-spacing: var(--letter-spacing-normal);
}

.hero-button {
    background: white;
    color: #3b82f6;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.hero-button:hover {
    background: #eff6ff;
    transform: translateY(-2px);
}

/* ========================================
   SECCIONES DE CONTENIDO
   ======================================== */

.section {
    padding: 5rem 0;
    position: relative;
}

.section-gray {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.section-gray::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23667eea" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.6;
}

.section-white {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.section-white::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23667eea" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.4;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 10;
}

.container {
    position: relative;
    z-index: 10;
}

/* ========================================
   TARJETAS DE SERVICIOS
   ======================================== */

.service-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
}

.service-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.service-icon {
    color: #3b82f6;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
}

.service-description {
    color: #6b7280;
    line-height: var(--line-height-relaxed);
}

/* ========================================
   TARJETAS DE CARACTERÍSTICAS
   ======================================== */

.feature-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
}

.feature-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.3);
}

.feature-image {
    width: 9rem;
    height: 9rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
    text-align: center;
}

.feature-description {
    color: #6b7280;
    text-align: center;
    line-height: var(--line-height-relaxed);
}

/* ========================================
   GRID LAYOUTS
   ======================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

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

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

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .service-card,
    .feature-card {
        padding: 1.5rem;
    }
}

/* ========================================
   ANIMACIONES Y EFECTOS
   ======================================== */

html {
    scroll-behavior: smooth;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-logo {
    animation: float 6s ease-in-out infinite;
}

.service-card,
.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.service-card:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3) {
    animation-delay: 0.2s;
}

.service-card:nth-child(4) {
    animation-delay: 0.3s;
}

.service-card:nth-child(5) {
    animation-delay: 0.4s;
}

.service-card:nth-child(6) {
    animation-delay: 0.5s;
}

.feature-card:nth-child(2) {
    animation-delay: 0.1s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.2s;
}