/* SUBPAGES V4 - Sistema de diseño premium para todas las subpáginas */

/* Importar variables de home-v4 */
:root {
    /* BeChallenge Brand Colors */
    --primary: #0A6888; --primary-dark: #1B567F; --primary-light: #14A8E1;
    --accent: #499262; --accent-light: #4DAC5E;
    --coral: #C93C48; --coral-light: #E56953;
    --amber: #DFB263; --amber-light: #FBC72F;
    --dark: #0f172a; --dark-800: #1e293b; --dark-700: #334155;
    --gray-600: #475569; --gray-500: #64748b; --gray-400: #94a3b8; --gray-300: #cbd5e1;
    --gray-200: #e2e8f0; --gray-100: #f1f5f9; --gray-50: #f8fafc; --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #0A6888 0%, #14A8E1 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, sans-serif; color: var(--gray-600); line-height: 1.6; background: var(--white); -webkit-font-smoothing: antialiased; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
strong { font-weight: 600; color: var(--dark); }
img { max-width: 100%; height: auto; }

/* NAV - Igual que home-v4 pero con fondo claro por defecto */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 10000; padding: 16px 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); box-shadow: 0 1px 3px rgba(0,0,0,0.08); transition: all 0.3s; overflow: visible; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; overflow: visible; }
.nav .container { overflow: visible; }
.nav-logo { font-size: 1.5rem; font-weight: 800; text-decoration: none; display: flex; }
.logo-be { color: var(--primary); }
.logo-challenge { color: var(--dark); }
.nav-links { display: flex; align-items: center; gap: 8px; overflow: visible; }
.nav-link { display: flex; align-items: center; gap: 4px; padding: 10px 16px; font-size: 0.9375rem; font-weight: 500; color: var(--gray-600); text-decoration: none; border-radius: 8px; transition: all 0.2s; background: none; border: none; cursor: pointer; }
.nav-link:hover { background: var(--gray-100); color: var(--dark); }
.nav-dropdown { position: relative; overflow: visible; }
.nav-dropdown-menu { 
    position: absolute; 
    top: 100%; 
    left: 0; 
    min-width: 220px; 
    background: #ffffff; 
    border-radius: 12px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.2); 
    padding: 8px; 
    display: none;
    z-index: 99999; 
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 12px 16px; font-size: 0.9375rem; color: #475569; text-decoration: none; border-radius: 8px; transition: all 0.2s; }
.nav-dropdown-menu a:hover { background: #f1f5f9; color: #0f172a; }
.nav-cta { display: flex; align-items: center; gap: 12px; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; font-size: 0.9375rem; font-weight: 600; text-decoration: none; border-radius: 10px; border: none; cursor: pointer; transition: all 0.2s; }
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 2px 8px rgba(10,104,136,0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(10,104,136,0.4); }
.btn-ghost { background: transparent; color: var(--gray-600); }
.btn-ghost:hover { background: var(--gray-100); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* PAGE HERO */
.page-hero { position: relative; padding: 160px 0 100px; background: var(--gradient-dark); overflow: hidden; }
.page-hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(10,104,136,0.3), transparent), radial-gradient(ellipse 60% 40% at 80% 80%, rgba(20,168,225,0.2), transparent); }
.page-hero-pattern { position: absolute; inset: 0; opacity: 0.03; 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='%23ffffff' fill-opacity='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"); }
.page-hero-content { position: relative; max-width: 800px; margin: 0 auto; text-align: center; }
.page-hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.1); border-radius: 100px; font-size: 0.875rem; font-weight: 600; color: var(--accent-light); margin-bottom: 24px; }
.page-hero-title { font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; color: var(--white); line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 24px; }
.page-hero-subtitle { font-size: 1.25rem; color: var(--gray-400); line-height: 1.7; margin-bottom: 32px; }
.page-hero-ctas { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* SECTIONS */
.section { padding: 100px 0; }
.section-light { background: var(--gray-50); }
.section-dark { background: var(--gradient-dark); }
.section-eyebrow { display: inline-block; font-size: 0.75rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.15em; margin-bottom: 12px; }
.section-eyebrow.light { color: var(--accent-light); }
.section-title { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 800; color: var(--dark); line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 16px; }
.section-title.light { color: var(--white); }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-subtitle { font-size: 1.125rem; color: var(--gray-600); max-width: 600px; }
.section-subtitle.light { color: var(--gray-400); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 64px; }
.section-header .section-subtitle { margin: 0 auto; }

/* FEATURE CARDS */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { position: relative; background: var(--white); border-radius: 20px; padding: 32px; border: 1px solid var(--gray-200); transition: all 0.3s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: transparent; }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; }
.feature-icon.blue { background: rgba(10,104,136,0.1); }
.feature-icon.green { background: rgba(73,146,98,0.1); }
.feature-icon.coral { background: rgba(201,60,72,0.1); }
.feature-icon.amber { background: rgba(223,178,99,0.1); }
.feature-icon.light-blue { background: rgba(20,168,225,0.1); }
.feature-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.feature-card p { font-size: 0.9375rem; color: var(--gray-600); margin: 0; line-height: 1.6; }
.feature-card ul { list-style: none; margin-top: 16px; }
.feature-card li { padding: 6px 0; padding-left: 20px; position: relative; font-size: 0.875rem; color: var(--gray-600); }
.feature-card li::before { content: '→'; position: absolute; left: 0; color: var(--primary); }

/* PHASE CARDS - Para método */
.phases-grid { display: flex; flex-direction: column; gap: 16px; max-width: 800px; margin: 0 auto; }
.phase-card { display: flex; gap: 24px; padding: 28px; background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; transition: all 0.3s; }
.phase-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.phase-number { width: 56px; height: 56px; background: var(--gradient-primary); color: var(--white); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; flex-shrink: 0; }
.phase-content { flex: 1; }
.phase-content h4 { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.phase-content p { font-size: 0.9375rem; color: var(--gray-600); margin-bottom: 12px; }
.phase-output { display: inline-block; padding: 6px 14px; background: var(--gray-100); color: var(--primary); border-radius: 100px; font-size: 0.8125rem; font-weight: 600; }

/* MODULE CARDS */
.modules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.module-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 20px; padding: 32px; transition: all 0.3s; }
.module-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: var(--primary); }
.module-tag { display: inline-block; padding: 4px 12px; background: var(--primary); color: var(--white); border-radius: 100px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.module-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.module-card > p { font-size: 0.9375rem; color: var(--gray-600); line-height: 1.6; margin-bottom: 20px; }
.module-benefits { list-style: none; margin-bottom: 20px; }
.module-benefits li { padding: 6px 0; padding-left: 20px; position: relative; font-size: 0.875rem; color: var(--gray-600); }
.module-benefits li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 600; }
.module-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9375rem; font-weight: 600; color: var(--primary); text-decoration: none; transition: gap 0.2s; }
.module-link:hover { gap: 10px; }

/* CASE CARDS */
.cases-grid { display: flex; flex-direction: column; gap: 32px; }
.case-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 24px; overflow: hidden; }
.case-header { display: flex; gap: 24px; padding: 32px; background: var(--gray-50); align-items: center; }
.case-logo { width: 72px; height: 72px; background: var(--white); border-radius: 16px; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(0,0,0,0.08); flex-shrink: 0; }
.case-logo img { max-width: 48px; max-height: 48px; }
.case-meta { flex: 1; }
.case-tag { display: inline-block; padding: 4px 12px; background: var(--primary); color: var(--white); border-radius: 100px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.case-meta h3 { font-size: 1.5rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.case-meta p { font-size: 0.9375rem; color: var(--gray-500); margin: 0; }
.case-body { padding: 32px; }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.case-section h4 { font-size: 0.75rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.case-section p { font-size: 0.9375rem; color: var(--gray-600); line-height: 1.7; margin: 0; }
.case-section ul { list-style: none; padding: 0; margin: 0; }
.case-section li { padding: 6px 0; padding-left: 20px; position: relative; font-size: 0.9375rem; color: var(--gray-600); }
.case-section li::before { content: '→'; position: absolute; left: 0; color: var(--primary); }
.case-results { display: flex; gap: 32px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--gray-200); }
.case-result { text-align: center; }
.case-result-value { display: block; font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1; }
.case-result-label { font-size: 0.8125rem; color: var(--gray-500); margin-top: 4px; }

/* SERVICE CARDS */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card { position: relative; background: var(--white); border: 2px solid var(--gray-200); border-radius: 20px; padding: 32px; transition: all 0.3s; }
.service-card:hover { border-color: var(--primary); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
.service-card.featured { border-color: var(--primary); }
.service-badge { position: absolute; top: -12px; right: 24px; padding: 6px 16px; background: var(--primary); color: var(--white); font-size: 0.75rem; font-weight: 700; border-radius: 100px; }
.service-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; }
.service-card h3 { font-size: 1.375rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.service-desc { font-size: 0.9375rem; color: var(--gray-600); margin-bottom: 20px; line-height: 1.6; }
.service-includes { list-style: none; margin-bottom: 20px; }
.service-includes li { padding: 8px 0; padding-left: 24px; position: relative; font-size: 0.9375rem; color: var(--gray-700); }
.service-includes li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 600; }

/* INTEGRATION SECTION */
.integrations-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px; }
.integration-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 16px; padding: 32px; text-align: center; transition: all 0.3s; }
.integration-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.integration-card img { height: 48px; width: auto; margin-bottom: 16px; opacity: 0.8; }
.integration-card h4 { font-size: 1rem; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.integration-card p { font-size: 0.8125rem; color: var(--gray-500); margin: 0; }

/* CTA SECTION */
.cta-section { padding: 100px 0; background: var(--gradient-primary); }
.cta-content { text-align: center; max-width: 600px; margin: 0 auto; }
.cta-section h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; color: var(--white); margin-bottom: 16px; letter-spacing: -0.02em; }
.cta-section p { font-size: 1.125rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; margin-bottom: 16px; }
.cta-note { font-size: 0.875rem; color: rgba(255,255,255,0.6); }

/* FOOTER */
.footer { background: var(--dark); padding: 80px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px; margin-bottom: 48px; }
.footer-logo { font-size: 1.5rem; font-weight: 800; display: block; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9375rem; color: var(--gray-500); max-width: 280px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; background: rgba(255,255,255,0.05); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--gray-400); transition: all 0.2s; text-decoration: none; }
.footer-social a:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.footer-col h4 { font-size: 0.75rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 0.9375rem; color: var(--gray-500); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--primary-light); }
.footer-bottom { padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.875rem; color: var(--gray-600); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 0.875rem; color: var(--gray-600); text-decoration: none; }
.footer-legal a:hover { color: var(--primary-light); }

/* TABS */
.tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.tab-btn { padding: 14px 28px; font-size: 1rem; font-weight: 600; color: var(--gray-600); background: var(--white); border: 2px solid var(--gray-200); border-radius: 12px; cursor: pointer; transition: all 0.2s; }
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: var(--white); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* MOBILE MENU BUTTON */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--dark);
    border-radius: 8px;
    transition: background 0.2s;
}
.mobile-menu-btn:hover {
    background: var(--gray-100);
}

/* MOBILE MENU */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: 9998;
    overflow-y: auto;
    padding-top: 80px;
}
.mobile-menu.open {
    display: block;
}
.mobile-menu-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mobile-menu-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.mobile-menu-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 12px 16px 8px;
}
.mobile-menu-link {
    display: block;
    padding: 14px 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark);
    text-decoration: none;
    border-radius: 12px;
    transition: background 0.2s;
}
.mobile-menu-link:hover {
    background: var(--gray-100);
}
.mobile-menu-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 12px 0;
}
.mobile-menu-cta {
    margin-top: 16px;
    width: 100%;
    text-align: center;
}

/* GLOBAL - Prevent horizontal overflow */
html, body {
    max-width: 100%;
    width: 100%;
    overflow-x: hidden;
}

section, .nav, .footer, .page-hero, .cta-section {
    max-width: 100%;
    width: 100%;
    overflow-x: hidden;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .features-grid, .modules-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr; }
    .integrations-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    /* Show mobile menu button, hide desktop nav */
    .mobile-menu-btn { display: flex !important; order: 3; }
    .nav-links { display: none !important; }
    .nav-cta .btn-ghost { display: none !important; }
    .nav-cta .btn-primary { display: none !important; }
    
    /* Navbar layout on mobile */
    .nav-inner {
        flex-wrap: nowrap;
    }
    .nav-cta {
        margin-left: auto;
        order: 2;
    }
    .nav-logo {
        order: 1;
    }
    
    /* Language selector mobile fix */
    .lang-btn span { display: none; }
    .lang-btn { padding: 4px 8px; }
    .nav-cta { gap: 8px; }
    
    .page-hero { padding: 120px 0 60px; }
    .page-hero-title { font-size: 2rem; }
    .section { padding: 60px 0; }
    .features-grid, .modules-grid, .integrations-grid { grid-template-columns: 1fr; }
    .case-header { flex-direction: column; text-align: center; }
    .case-grid { grid-template-columns: 1fr; }
    .case-results { flex-wrap: wrap; justify-content: center; }
    .phase-card { flex-direction: column; text-align: center; }
    .phase-number { margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .page-hero-ctas { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .page-hero { padding: 100px 0 40px; }
    .page-hero-title { font-size: 1.75rem; }
    .page-hero-subtitle { font-size: 1rem; }
    .container { padding: 0 16px; }
    .mobile-menu { top: 60px; }
    .section-title { font-size: 1.5rem; }
}