/* ========================================
   style.css - Nexorae Global Styles
   ======================================== */

/* === VARIABLES GLOBALES === */
:root {
    --color-primary: #0B1F3A;
    --color-secondary: #2563EB;
    --color-accent: #3B82F6;
    --color-success: #10B981;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    --font-primary: 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --transition-base: all 0.2s ease-in-out;
    --transition-smooth: all 0.3s ease-in-out;
}

/* === RESET / BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === UTILIDADES REUTILIZABLES === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Gradientes */
.gradient-text {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.gradient-bg-secondary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

/* Patrón de fondo hero */
.hero-pattern {
    background-color: var(--color-primary);
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Efectos hover */
.hover-lift {
    transition: var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

/* Cards */
.card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
}

.card:hover {
    box-shadow: var(--shadow-2xl);
}

/* Benefit cards para whyus.html - MEJORADO con CSS puro */
.benefit-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    border-left: 4px solid transparent;
}

.benefit-card:hover {
    border-left-color: var(--color-secondary);
    background-color: var(--color-gray-50);
    box-shadow: var(--shadow-2xl);
    transform: translateY(-2px);
}

/* Iconos circulares */
.icon-circle {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--color-gray-100);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
}

.icon-circle-lg {
    width: 4rem;
    height: 4rem;
    font-size: 2rem;
}

/* === COMPONENTES === */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 50;
    border-bottom: 1px solid var(--color-gray-200);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.navbar-logo {
    display: block;
}

.navbar-logo img {
    height: 5rem; /* 80px - ajustable */
    width: auto;
}

.navbar-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-link {
    color: var(--color-gray-700);
    font-weight: 500;
    transition: var(--transition-base);
    text-decoration: none;
}

.navbar-link:hover {
    color: var(--color-secondary);
}

.navbar-link.active {
    color: var(--color-secondary);
    font-weight: 600;
    border-bottom: 2px solid var(--color-secondary);
    padding-bottom: 0.25rem;
}

/* Botones */
.btn {
    display: inline-block;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: var(--transition-base);
    text-decoration: none;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: #1d4ed8;
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--color-secondary);
    border: 2px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    border-color: rgba(255,255,255,0.5);
}

.btn-light {
    background: white;
    color: var(--color-primary);
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
}

.btn-light:hover {
    background: var(--color-gray-100);
    box-shadow: var(--shadow-2xl);
}

/* Secciones */
.section {
    padding: 6rem 0;
}

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

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--color-primary);
    color: var(--color-gray-400);
    padding: 4rem 0;
}

.footer a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer a:hover {
    color: white;
}

/* === ANIMACIONES === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out forwards;
}

/* === UTILIDADES RESPONSIVE === */
@media (max-width: 768px) {
    .section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .navbar-logo img {
        height: 3.5rem; /* Más pequeño en móvil */
    }
}