/* =========================================
   Nexo Internacional - Premium CSS
   ========================================= */

/* --- Variables & Theming --- */
:root {
    /* Colors (Light Corporate - ICEX Style) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #F1F3F5;
    --bg-glass: rgba(255, 255, 255, 0.95);
    --bg-glass-light: rgba(0, 0, 0, 0.03);
    
    --text-primary: #2D3748;
    --text-secondary: #4A5568;
    
    --accent-gold: #D52B1E;
    --accent-gold-hover: #E53E3E;
    --accent-blue: #2563EB;
    --accent-red: #D52B1E;
    
    --border-glass: rgba(0, 0, 0, 0.08);
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;
}

/* --- Reset & Global --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

.page-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #E2E8F0 100%) !important;
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Utilities --- */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.05) 100%);
    color: var(--accent-gold);
    border-radius: 30px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 650px;
    margin: 0 auto 3rem;
}
.section-desc-left {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin: 0 0 2rem;
}

.text-red { color: var(--accent-red); }

/* Buttons */
.btn-primary, .btn-primary-outline, .btn-secondary, .btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-sans);
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-gold);
    color: #000;
    border: 1px solid var(--accent-gold);
}

.btn-primary:hover {
    background: var(--accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-primary-outline {
    background: transparent;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
}

.btn-primary-outline:hover {
    background: var(--accent-gold);
    color: #000;
}

.btn-secondary {
    background: var(--bg-glass-light);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    color: var(--accent-gold);
    font-size: 1.75rem;
    display: flex;
}

.logo-accent {
    color: var(--accent-gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn-primary-outline) {
    font-size: 0.9375rem;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:not(.btn-primary-outline)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-gold);
    transition: width var(--transition-fast);
}

.nav-links a:not(.btn-primary-outline):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    border-bottom: 1px solid var(--border-glass);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
}

.mobile-link {
    font-size: 1.125rem;
    font-weight: 500;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/hero-bg.jpeg');
    background-color: var(--bg-primary);
    background-size: cover;
    background-position: center;
    z-index: -1;
    transition: background-image 1.5s ease-in-out;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    /* Gradiente blanco intenso a la izquierda para el texto, transparente a la derecha para ver la foto */
    background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.85) 45%, rgba(255, 255, 255, 0.1) 100%);
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-text {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(90deg, var(--text-primary) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}


/* --- Diagnostico Section --- */
.diagnostico {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.diagnostico-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.diagnostico-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.diagnostico-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.diagnostico-list i {
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-top: 0.1rem;
}

.diagnostico-card {
    padding: 3rem;
    text-align: left;
}

.d-card-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

.diagnostico-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.diagnostico-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}


/* --- Servicios (Puertas de Entrada) --- */
.servicios {
    padding: 8rem 0;
    text-align: center;
}

.servicios-medida-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.servicio-medida-card {
    padding: 2.5rem;
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    border-radius: 16px;
}

.servicio-medida-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.servicio-medida-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.servicio-medida-card:hover::before {
    transform: scaleX(1);
}

.sm-icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
    background: rgba(0, 0, 0, 0.05);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.sm-title {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
}

.sm-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}


/* --- Proceso (Timeline) --- */
.proceso {
    padding: 8rem 0;
    background: var(--bg-tertiary);
    text-align: center;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 4rem auto 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--border-glass);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    position: relative;
}

.timeline-dot {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    z-index: 2;
    flex-shrink: 0;
}

.timeline-content {
    text-align: left;
    padding: 2rem;
    width: 100%;
}

.timeline-content h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-gold);
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}


/* --- Sectores Prioritarios --- */
.sectores {
    padding: 8rem 0;
    text-align: center;
}

.sectores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.sector-item {
    background: var(--bg-glass-light);
    border: 1px solid var(--border-glass);
    padding: 2rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: all var(--transition-fast);
}

.sector-item:hover {
    background: rgba(212, 175, 55, 0.05);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-5px);
}

.sector-item i {
    font-size: 2.5rem;
    color: var(--accent-gold);
}

.sector-item span {
    font-weight: 500;
    font-size: 1.1rem;
}

/* --- Galeria --- */
.galeria {
    padding: 8rem 0;
    text-align: center;
}
.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}
.galeria-item {
    border-radius: 12px;
    overflow: hidden;
    height: 250px;
    position: relative;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    background: var(--bg-secondary);
}
.galeria-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}
.galeria-item a {
    display: block;
    width: 100%;
    height: 100%;
}
.galeria-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-normal);
}
.galeria-item:hover .galeria-img {
    transform: scale(1.05);
}
.galeria-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.galeria-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Filosofia --- */
.filosofia {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.filosofia-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.filosofia-card {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-glass);
}

.filosofia-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--accent-gold);
}

.filosofia-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.warn-card {
    border-color: rgba(239, 68, 68, 0.2);
    background: linear-gradient(to bottom right, var(--bg-primary), rgba(239, 68, 68, 0.05));
}

.warn-card h3 {
    color: var(--text-primary);
}

.warn-card ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.warn-card li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--text-secondary);
}

.warn-card i {
    margin-top: 0.2rem;
    font-size: 1.25rem;
}

/* --- Contact Section --- */
.contact {
    padding: 8rem 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-methods {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.method-icon {
    font-size: 1.5rem;
    color: var(--accent-gold);
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 50%;
    border: 1px solid var(--border-glass);
}

.contact-method h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.contact-method p {
    color: var(--text-secondary);
}

.contact-form-wrapper {
    padding: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-glass);
    padding: 1rem;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: rgba(0, 0, 0, 0.06);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.btn-submit {
    background: var(--accent-gold);
    color: #000;
    border: none;
    font-size: 1rem;
    margin-top: 1rem;
    padding: 1rem 2rem;
}

.btn-submit:hover {
    background: var(--accent-gold-hover);
    transform: translateY(-2px);
}

.form-status {
    margin-top: 1rem;
    font-size: 0.875rem;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    color: #4ade80;
}

/* --- Footer --- */
.footer {
    background: #02050A;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-glass);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-desc {
    color: var(--text-secondary);
    margin: 1.5rem 0;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--accent-gold);
}

.footer-links h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }

.animate-fade-in-up {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .diagnostico-container,
    .filosofia-container,
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-dot {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .timeline-item {
        gap: 1rem;
    }
}