@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Open+Sans:wght@400;600;700&display=swap');

:root {
    --imss-verde: #006847;
    --imss-verde-claro: #008f5a;
    --gob-guinda: #9f2241;
    --texto-oscuro: #1f2937;
    --texto-suave: #4b5563;
    --fondo-gris: #f8fafc;
    --blanco: #ffffff;
    --sombra-card: 0 4px 20px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--texto-oscuro);
    background-color: var(--fondo-gris);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Cintilla Gubernamental */
.top-gob-bar {
    background: var(--gob-guinda);
    color: var(--blanco);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Header */
.header-principal {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--blanco);
    border-bottom: 3px solid var(--imss-verde);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--imss-verde);
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    text-decoration: none;
}

.brand-badge {
    background: var(--imss-verde);
    color: var(--blanco);
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
}

.nav-menu a {
    color: var(--texto-oscuro);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-menu a:hover {
    color: var(--imss-verde);
    background: #f0fdf4;
}

.btn-login-header {
    background: var(--imss-verde);
    color: var(--blanco) !important;
    border: none;
    padding: 9px 22px !important;
    border-radius: 6px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700 !important;
    font-size: 0.88rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 104, 71, 0.25);
    transition: all 0.2s ease !important;
}

.btn-login-header:hover {
    background: var(--imss-verde-claro);
}

/* --- HERO SECTION: TITULO LIMPIO --- */
.hero-header-text {
    background: var(--blanco);
    text-align: center;
    padding: 50px 20px 30px;
    border-bottom: 1px solid #e5e7eb;
}

.hero-header-text h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 900;
    color: var(--imss-verde);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.hero-header-text p {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    color: var(--texto-suave);
}

/* --- MARCO DE LA IMAGEN CERO INTERFERENCIAS --- */
.hero-image-showcase {
    max-width: 1280px;
    margin: 30px auto 0;
    padding: 0 20px;
}

.image-frame {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border: 4px solid var(--blanco);
}

.image-frame img {
    width: 100%;
    height: auto;
    max-height: 650px;
    object-fit: cover;
    display: block;
}

/* --- SECCIONES GENERALES --- */
.seccion-padding {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.titulo-seccion {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--imss-verde);
    text-align: center;
    margin-bottom: 8px;
    position: relative;
}

.subtitulo-seccion {
    text-align: center;
    color: var(--texto-suave);
    font-size: 1rem;
    margin-bottom: 45px;
}

.titulo-seccion::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gob-guinda);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* Servicios */
.grid-servicios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.card-servicio {
    background: var(--blanco);
    border-radius: 12px;
    padding: 35px 25px;
    box-shadow: var(--sombra-card);
    border: 1px solid #e5e7eb;
    border-top: 4px solid var(--imss-verde);
    transition: all 0.3s ease;
    text-align: center;
}

.card-servicio:hover {
    transform: translateY(-6px);
    border-top-color: var(--gob-guinda);
}

.icono-servicio {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.card-servicio h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    color: var(--imss-verde);
    margin-bottom: 10px;
}

.card-servicio p {
    font-size: 0.9rem;
    color: var(--texto-suave);
}

/* Línea del Tiempo */
.timeline-container {
    position: relative;
    max-width: 850px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-container::after {
    content: '';
    position: absolute;
    width: 4px;
    background: var(--imss-verde);
    top: 0; bottom: 0; left: 50%;
    margin-left: -2px;
    border-radius: 2px;
}

.timeline-block {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-block.left { left: 0; text-align: right; }
.timeline-block.right { left: 50%; text-align: left; }

.timeline-content {
    padding: 25px;
    background: var(--blanco);
    border-radius: 10px;
    box-shadow: var(--sombra-card);
    border: 1px solid #e5e7eb;
}

.timeline-date {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--blanco);
    background: var(--imss-verde);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.82rem;
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--imss-verde);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--texto-suave);
}

/* Misión, Visión */
.grid-mision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.card-mision {
    background: var(--blanco);
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: var(--sombra-card);
    border: 1px solid #e5e7eb;
    border-left: 5px solid var(--imss-verde);
}

.card-mision h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    color: var(--imss-verde);
    margin-bottom: 12px;
}

.card-mision p, .card-mision ul {
    font-size: 0.92rem;
    color: var(--texto-suave);
}

.card-mision ul {
    list-style-position: inside;
    margin-top: 8px;
}

.card-mision li {
    margin-bottom: 6px;
}

/* Footer */
.footer-sitio {
    background: #003826;
    color: #d1d5db;
    padding: 50px 20px 25px;
    font-size: 0.9rem;
    border-top: 4px solid var(--gob-guinda);
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto 35px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 35px;
    text-align: left;
}

.footer-col h4 {
    color: var(--blanco);
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    font-size: 0.85rem;
}

/* Modal Login */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-box {
    background: var(--blanco);
    padding: 40px 30px;
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-top: 6px solid var(--imss-verde);
}

.btn-cerrar-modal {
    position: absolute;
    top: 15px; right: 20px;
    font-size: 1.6rem;
    cursor: pointer;
    color: #9ca3af;
}

.btn-cerrar-modal:hover {
    color: var(--gob-guinda);
}

.modal-box h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--imss-verde);
    font-size: 1.4rem;
    margin-bottom: 6px;
    font-weight: 800;
}

.modal-box p {
    font-size: 0.88rem;
    color: var(--texto-suave);
    margin-bottom: 22px;
}

.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--texto-oscuro);
    margin-bottom: 6px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.92rem;
    font-family: inherit;
}

.btn-submit-login {
    width: 100%;
    padding: 13px;
    background: var(--imss-verde);
    color: var(--blanco);
    border: none;
    border-radius: 6px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 0.95rem;
    cursor: pointer;
    margin-top: 10px;
}

.btn-submit-login:hover {
    background: var(--imss-verde-claro);
}

@media (max-width: 768px) {
    .top-gob-bar { flex-direction: column; gap: 4px; text-align: center; }
    .nav-container { flex-direction: column; gap: 12px; }
    .nav-menu { width: 100%; justify-content: center; flex-wrap: wrap; gap: 8px; }
    .timeline-container::after { left: 25px; }
    .timeline-block { width: 100%; padding-left: 60px; padding-right: 15px; }
    .timeline-block.left, .timeline-block.right { left: 0; text-align: left; }
}