/* ==========================================================================
   ESTILOS INSTITUCIONALES ATP - ALTO CONTRASTE Y ACCESIBILIDAD WCAG AAA
   Inspirado en el Colegio de Ingenieros del Perú (CIP) - Identidad Oficial ATP
   ========================================================================== */

:root {
    --cip-navy: #0A2540;
    --cip-navy-dark: #061727;
    --cip-navy-light: #163659;
    --cip-red: #D32F2F;
    --cip-red-dark: #9A1B1E;
    --cip-red-hover: #B71C1C;
    --cip-gold: #F59E0B;
    --cip-gold-light: #FDE68A;
    --cip-gray-bg: #F8FAFC;
    --cip-border: #E2E8F0;
    --cip-text: #0F172A;
    --cip-slate-muted: #475569;
    color-scheme: light !important;
}

/* 1. RESET Y BASE TIPOGRÁFICA DE ALTO CONTRASTE */
html, body {
    color-scheme: light !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--cip-text);
    background-color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-cip {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #0A2540;
    letter-spacing: -0.02em;
}

/* 2. TOPBAR INSTITUCIONAL */
.cip-topbar {
    background-color: #061727 !important;
    color: #FFFFFF !important;
    font-size: 12.5px;
    border-bottom: 3px solid var(--cip-red);
}

.cip-topbar span, .cip-topbar a {
    color: #F8FAFC !important;
    text-decoration: none;
    font-weight: 500;
}

.cip-topbar a:hover {
    color: var(--cip-gold) !important;
}

.cip-pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 9999px;
    font-size: 11.5px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s;
}

.cip-pill-red {
    background-color: var(--cip-red) !important;
    color: #FFFFFF !important;
}

.cip-pill-red:hover {
    background-color: var(--cip-red-dark) !important;
    box-shadow: 0 2px 10px rgba(211,47,47,0.5);
    color: #FFFFFF !important;
}

/* 3. BRAND HEADER */
.cip-brand-header {
    background: #FFFFFF !important;
    padding: 14px 0;
    border-bottom: 1px solid var(--cip-border);
}

/* 4. BARRA DE NAVEGACIÓN DESKTOP */
.cip-navbar {
    background: #0A2540 !important;
    box-shadow: 0 4px 18px rgba(10,37,64,0.22);
    z-index: 1020;
}

.cip-nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.cip-nav-item {
    color: #FFFFFF !important;
    font-weight: 700 !important;
    font-size: 13.5px;
    padding: 16px 15px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease-in-out;
}

.cip-nav-item:hover, .cip-nav-item.active {
    color: #FFFFFF !important;
    background-color: rgba(255,255,255,0.12) !important;
    border-bottom-color: var(--cip-red) !important;
}

/* DROPDOWNS EN DESKTOP (FONDO BLANCO Y TEXTO OSCURO NÍTIDO) */
.cip-dropdown-menu {
    background-color: #FFFFFF !important;
    border: 1px solid #CBD5E1 !important;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.25) !important;
    border-top: 4px solid var(--cip-red) !important;
    padding: 10px 0;
    min-width: 270px;
}

.cip-dropdown-item {
    padding: 11px 22px;
    font-size: 13.5px;
    font-weight: 600 !important;
    color: #0F172A !important;
    text-decoration: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cip-dropdown-item:hover {
    background-color: #FEE2E2 !important;
    color: var(--cip-red) !important;
    padding-left: 26px;
}

/* 5. MENÚ LATERAL IZQUIERDO MÓVIL (OFFCANVAS START) */
.offcanvas-start {
    background-color: #0A2540 !important;
    color: #FFFFFF !important;
    width: 320px !important;
    border-right: 4px solid var(--cip-red) !important;
    box-shadow: 10px 0 30px rgba(0,0,0,0.5) !important;
}

.offcanvas-nav-link {
    color: #FFFFFF !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 13px 22px;
    font-size: 14.5px;
    font-weight: 600;
    border-left: 4px solid transparent;
    transition: all 0.2s;
}

.offcanvas-nav-link:hover, .offcanvas-nav-link.active {
    background-color: rgba(255,255,255,0.14) !important;
    color: #FFFFFF !important;
    border-left-color: var(--cip-red) !important;
}

.offcanvas-heading {
    color: var(--cip-gold) !important;
    text-transform: uppercase;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 14px 22px 6px;
}

/* 6. HERO SLIDER CON ALTO CONTRASTE GARANTIZADO */
.cip-carousel-item {
    min-height: 520px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

@media (max-width: 991px) {
    .cip-carousel-item {
        min-height: 480px;
        padding: 40px 0;
    }
}

.cip-carousel-overlay {
    position: absolute;
    inset: 0;
    /* Gradiente oscuro de protección total para contraste 100% */
    background: linear-gradient(90deg, rgba(5,18,32,0.96) 0%, rgba(5,18,32,0.90) 58%, rgba(5,18,32,0.75) 100%) !important;
    display: flex;
    align-items: center;
}

@media (max-width: 991px) {
    .cip-carousel-overlay {
        background: rgba(5,18,32,0.92) !important;
    }
}

.cip-carousel-overlay h1,
.cip-carousel-overlay h2,
.cip-carousel-overlay h3 {
    color: #FFFFFF !important;
    text-shadow: 0 2px 8px rgba(0,0,0,0.9) !important;
}

.cip-carousel-overlay p,
.cip-carousel-overlay .lead,
.cip-carousel-overlay span:not(.badge) {
    color: #FFFFFF !important;
    text-shadow: 0 1px 4px rgba(0,0,0,0.9) !important;
    font-weight: 400;
    opacity: 1 !important;
}

/* 7. TARJETAS DE SERVICIOS (6 QUICK CARDS CIP STYLE) */
.cip-service-card {
    background: #FFFFFF !important;
    border: 1px solid #E2E8F0 !important;
    border-radius: 16px;
    padding: 26px 22px;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05) !important;
}

.cip-service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--cip-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.cip-service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 35px rgba(10,37,64,0.15) !important;
    border-color: #FDA4AF !important;
}

.cip-service-card:hover::before {
    transform: scaleX(1);
}

.cip-service-card h4 {
    color: #0A2540 !important;
    font-weight: 700;
}

.cip-service-card p {
    color: #334155 !important;
    font-size: 14px;
    line-height: 1.55;
}

.cip-service-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: #FEF2F2 !important;
    color: var(--cip-red) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 18px;
    transition: all 0.3s;
    border: 1px solid #FECACA;
}

.cip-service-card:hover .cip-service-icon {
    background: var(--cip-red) !important;
    color: #FFFFFF !important;
    transform: scale(1.08);
}

/* 8. BANNERS INSTITUCIONALES DE CABECERA (PAGE HEADERS) */
.cip-page-header {
    background: linear-gradient(135deg, #0A2540 0%, #153258 100%) !important;
    border-bottom: 4px solid var(--cip-red);
    color: #FFFFFF !important;
}

.cip-page-header h1,
.cip-page-header h2 {
    color: #FFFFFF !important;
    text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}

.cip-page-header p,
.cip-page-header .lead {
    color: #FFFFFF !important;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    opacity: 0.96 !important;
}

/* 9. FOOTER INSTITUCIONAL DE ALTO CONTRASTE */
.cip-footer {
    background-color: #061727 !important;
    color: #CBD5E1 !important;
    border-top: 5px solid var(--cip-red);
    font-size: 13.5px;
}

.cip-footer h5 {
    color: #FFFFFF !important;
    font-weight: 800;
    font-size: 16px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.cip-footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background-color: var(--cip-red);
}

.cip-footer p,
.cip-footer span:not(.badge),
.cip-footer div:not(.cip-social-circle),
.cip-footer small {
    color: #CBD5E1 !important;
}

.cip-footer a {
    color: #E2E8F0 !important;
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

.cip-footer a:hover {
    color: var(--cip-gold) !important;
    padding-left: 4px;
}

.cip-social-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.12) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF !important;
    transition: all 0.2s;
    text-decoration: none !important;
    border: 1px solid rgba(255,255,255,0.18);
}

.cip-social-circle:hover {
    background-color: var(--cip-red) !important;
    border-color: var(--cip-red) !important;
    transform: translateY(-2px);
    color: #FFFFFF !important;
}

/* 10. REGLAS GLOBALES DE CONTRASTE Y LEGIBILIDAD (WCAG AAA) */
/* Textos atenuados en fondos claros siempre con contraste óptimo Slate 600/700 */
.card .text-muted,
.container .text-muted:not(.text-white):not(.text-white-50) {
    color: #475569 !important;
}

/* En caso de que se use text-white-50 en fondos oscuros, asegurar 95% de opacidad blanco */
.text-white-50 {
    color: rgba(255, 255, 255, 0.95) !important;
    opacity: 1 !important;
}

/* Botones institucionales sólidos */
.btn-danger {
    background-color: var(--cip-red) !important;
    border-color: var(--cip-red) !important;
    color: #FFFFFF !important;
    font-weight: 700;
}

.btn-danger:hover {
    background-color: var(--cip-red-hover) !important;
    border-color: var(--cip-red-hover) !important;
    color: #FFFFFF !important;
}

.btn-outline-light {
    color: #FFFFFF !important;
    border-color: #FFFFFF !important;
    font-weight: 700;
}

.btn-outline-light:hover {
    background-color: #FFFFFF !important;
    color: #0A2540 !important;
}

/* Hover lift universal */
.hover-lift {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(0,0,0,0.1) !important;
}

/* 11. CONTROLES DE CARRUSEL RESPONSIVOS */
@media (max-width: 767px) {
    .carousel-control-prev,
    .carousel-control-next {
        display: none !important;
    }
}

.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 5px;
    background-color: #FFFFFF;
    opacity: 0.6;
    transition: all 0.3s;
}

.carousel-indicators .active {
    opacity: 1;
    background-color: var(--cip-red);
    transform: scale(1.2);
}