/**
 * site.css — CMS AsesorOnline Instancia RESOLUTIONS V2
 *
 * Estilos del frontend público corporativo.
 * No utiliza fuentes externas (CDN) ni Google Fonts.
 * Tipografía del sistema: Segoe UI, system-ui, Arial, sans-serif.
 *
 * Paleta corporativa:
 *   - Primario: Azul marino corporativo (#0F2C59 / #1E3A8A)
 *   - Acento: Naranjo industrial (#EA580C)
 *   - Fondo: Gris slate claro (#F8FAFC) y Blanco (#FFFFFF)
 *   - Textos: Gris azulado oscuro (#0F172A, #475569)
 */

:root {
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F1F5F9;
    --color-text: #0F172A;
    --color-text-muted: #475569;
    --color-text-light: #94A3B8;

    --color-primary: #0F2C59;
    --color-primary-dark: #0A1E3F;
    --color-primary-light: #F0F4F8;
    --color-blue-accent: #2563EB;

    --color-accent: #EA580C;
    --color-accent-dark: #C2410C;
    --color-accent-light: #FFEDD5;

    --color-border: #E2E8F0;
    --color-border-strong: #CBD5E1;

    --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;

    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;

    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --transition: 200ms ease-in-out;
}

/* RESET BASE */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* CONTAINER */
.site-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER PÚBLICO */
.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text);
}

.site-brand__logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.site-brand__name {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.site-brand__slogan-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-left: 2px solid var(--color-accent);
    padding-left: 10px;
    display: inline-block;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 20px;
    list-style: none;
}

.site-nav__link {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
    padding: 8px 0;
}

.site-nav__link:hover,
.site-nav__link.is-active {
    color: var(--color-accent);
}

.site-nav__mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border-strong);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* MAIN WRAPPER */
.site-main {
    flex: 1;
}

/* HERO PRINCIPAL V2 */
.hero-v2 {
    position: relative;
    background-color: var(--color-primary);
    color: #FFFFFF;
    background-image: linear-gradient(135deg, rgba(15, 44, 89, 0.92) 0%, rgba(10, 30, 63, 0.96) 100%), url('../site/heroes/hero-operacion-industrial.jpg');
    background-size: cover;
    background-position: center;
    padding: 80px 0 90px;
    border-bottom: 3px solid var(--color-accent);
}

.hero-v2__content {
    max-width: 800px;
}

.hero-v2__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(234, 88, 12, 0.15);
    border: 1px solid rgba(234, 88, 12, 0.4);
    color: #FFEDD5;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 6px 14px;
    border-radius: 9999px;
    margin-bottom: 20px;
}

.hero-v2__title {
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1.15;
    color: #FFFFFF;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-v2__subtitle {
    font-size: 1.1875rem;
    color: #E2E8F0;
    margin-bottom: 32px;
    line-height: 1.6;
    max-width: 720px;
}

.hero-v2__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* SECCIONES PÚBLICAS */
.site-section {
    padding: 64px 0;
}

.site-section--white {
    background-color: var(--color-surface);
}

.site-section--alt {
    background-color: var(--color-bg);
}

.site-section--primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.section-header {
    margin-bottom: 44px;
}

.section-header--center {
    text-align: center;
}

.section-header__tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 8px;
    display: block;
}

.section-header__title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.site-section--primary .section-header__title {
    color: #FFFFFF;
}

.section-header__subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    max-width: 720px;
}

.section-header--center .section-header__subtitle {
    margin: 0 auto;
}

.site-section--primary .section-header__subtitle {
    color: #CBD5E1;
}

/* GRILLA DE 9 LÍNEAS DE NEGOCIO */
.business-lines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.business-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--color-primary);
    transition: background-color var(--transition);
}

.business-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-strong);
}

.business-card:hover::before {
    background-color: var(--color-accent);
}

.business-card__number {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.business-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.business-card__sub {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-blue-accent);
    margin-bottom: 12px;
}

.business-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    flex: 1;
    margin-bottom: 20px;
    line-height: 1.5;
}

/* 4 PASOS PROCESO INGENIERÍA E INTEGRACIÓN */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.process-step {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    position: relative;
}

.process-step__number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #FFFFFF;
    font-size: 1.125rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.process-step__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.process-step__desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* PROYECTOS / EXPERIENCIA */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.project-card__img-wrap {
    width: 100%;
    height: 200px;
    background-color: #CBD5E1;
    overflow: hidden;
}

.project-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms ease;
}

.project-card:hover .project-card__img {
    transform: scale(1.04);
}

.project-card__body {
    padding: 20px;
}

.project-card__tag {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.project-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.project-card__desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* CLIENTES / PARTNERS LOGO STRIP */
.partners-strip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    padding: 20px 0;
}

.partner-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.partner-logo-item img {
    max-height: 50px;
    max-width: 160px;
    object-fit: contain;
    filter: grayscale(30%);
    opacity: 0.9;
    transition: filter var(--transition), opacity var(--transition);
}

.partner-logo-item img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* CERTIFICACIONES ISO */
.certifications-flex {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cert-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.cert-item img {
    height: 48px;
    width: auto;
}

.cert-item__title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-primary);
}

.cert-item__sub {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* BOTONES PÚBLICOS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--font-sans);
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn-secondary {
    background-color: transparent;
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #FFFFFF;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-border-strong);
}

.btn-outline:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
}

/* FOOTER PÚBLICO */
.site-footer {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-top: 3px solid var(--color-accent);
    padding: 56px 0 28px;
    margin-top: auto;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.site-footer__brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #FFFFFF;
}

.site-footer__slogan {
    font-size: 0.875rem;
    color: var(--color-accent-light);
    font-weight: 600;
    margin-top: 4px;
}

.site-footer__brand-desc {
    font-size: 0.875rem;
    color: #CBD5E1;
    margin-top: 12px;
    line-height: 1.5;
}

.site-footer__title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #FFFFFF;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 6px;
    display: inline-block;
}

.site-footer__list {
    list-style: none;
}

.site-footer__list li {
    margin-bottom: 10px;
}

.site-footer__list a {
    font-size: 0.875rem;
    color: #94A3B8;
    text-decoration: none;
    transition: color var(--transition);
}

.site-footer__list a:hover {
    color: #FFFFFF;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: #94A3B8;
}

/* RESPONSIVE MEDIA QUERIES (1920px, 1440px, 1024px, 768px, 480px, 375px) */

@media (max-width: 1024px) {
    .business-lines-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .site-brand__slogan-badge {
        display: none;
    }

    .site-nav__list {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
    }

    .site-nav__list.is-open {
        display: flex;
    }

    .site-nav__mobile-toggle {
        display: block;
    }

    .hero-v2__title {
        font-size: 2rem;
    }

    .business-lines-grid {
        grid-template-columns: 1fr;
    }

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

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

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .site-footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-v2 {
        padding: 50px 0 60px;
    }

    .hero-v2__title {
        font-size: 1.625rem;
    }

    .hero-v2__subtitle {
        font-size: 1rem;
    }

    .btn {
        width: 100%;
    }
}