/* =========================================================
   CONFIAM EDUCACIÓN
   HOJA DE ESTILOS PRINCIPAL
   ========================================================= */


/* =========================
   CONFIGURACIÓN GENERAL
========================= */

:root {
    --azul: #123b5d;
    --azul-oscuro: #0b2940;
    --azul-claro: #1e6a96;
    --verde: #4f8f72;
    --verde-claro: #eaf4ef;
    --gris: #f4f6f8;
    --gris-texto: #5b6570;
    --blanco: #ffffff;
    --negro: #17212b;
    --borde: #dfe5e9;
}


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


html {
    scroll-behavior: smooth;
}


body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--negro);
    line-height: 1.6;
    background: var(--blanco);
}


a {
    text-decoration: none;
    color: inherit;
}


.container {
    width: 90%;
    max-width: 1180px;
    margin: auto;
}



/* =========================
   HEADER
========================= */

header,
.header {
    background: var(--blanco);
    border-bottom: 1px solid var(--borde);
    position: sticky;
    top: 0;
    z-index: 1000;
}


.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}


.nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 25px;
}


.logo {
    font-size: 25px;
    font-weight: 700;
    color: var(--azul);
    letter-spacing: 0.5px;
    white-space: nowrap;
}


.logo span {
    color: var(--verde);
    font-weight: 500;
}


.nav a {
    font-size: 15px;
    color: var(--azul-oscuro);
    font-weight: 500;
}


.nav a:hover {
    color: var(--verde);
}


.nav a.active {
    color: var(--verde);
    font-weight: 700;
}


/* Compatibilidad con navegación antigua */

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 25px;
}


nav a {
    font-size: 15px;
    color: var(--azul-oscuro);
    font-weight: 500;
}


nav a:hover {
    color: var(--verde);
}


.btn-nav {
    background: var(--azul);
    color: white !important;
    padding: 10px 18px;
    border-radius: 6px;
}


.btn-nav:hover {
    background: var(--azul-claro);
}



/* =========================
   HERO
========================= */

.hero {
    background:
        linear-gradient(
            120deg,
            var(--azul-oscuro) 0%,
            var(--azul) 60%,
            #1d5875 100%
        );

    color: white;
    padding: 95px 0 100px;
}


.hero-content {
    max-width: 850px;
}

.issb-partner-badge {
    width: 210px;
    height: auto;
    display: block;
    margin-bottom: 25px;
    background: white;
    padding: 8px;
    border-radius: 4px;
}


.hero-text {
    max-width: 850px;
}


.eyebrow {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 13px;
    font-weight: 700;
    color: #b9d8ca;
    margin-bottom: 18px;
}


.hero h1 {
    font-size: clamp(38px, 5vw, 62px);
    line-height: 1.12;
    margin-bottom: 25px;
}


.hero h1 span {
    color: #b9d8ca;
}


.hero p {
    font-size: 20px;
    max-width: 760px;
    color: #e8eef2;
    margin-bottom: 35px;
}


.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}



/* =========================
   BOTONES
========================= */

.btn {
    display: inline-block;
    padding: 14px 25px;
    border-radius: 6px;
    font-weight: 700;
    transition: 0.2s ease;
    cursor: pointer;
    border: none;
}


.btn-primary {
    background: var(--verde);
    color: white;
}


.btn-primary:hover {
    background: #427a61;
}


.btn-secondary {
    border: 1px solid rgba(255,255,255,0.5);
    color: white;
}


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


.btn-light {
    background: white;
    color: var(--azul);
}



/* =========================
   SECCIONES
========================= */

section {
    padding: 80px 0;
}


.section {
    background: var(--blanco);
}


.section-light {
    background: var(--gris);
}


.section-header {
    max-width: 760px;
    margin-bottom: 45px;
}


.section-header h2 {
    color: var(--azul);
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 16px;
}


.section-header p {
    color: var(--gris-texto);
    font-size: 18px;
}



/* =========================
   PROBLEMA / PUENTE
========================= */

.bridge {
    background: var(--gris);
}


.bridge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}


.bridge-card {
    background: white;
    padding: 32px;
    border: 1px solid var(--borde);
    border-radius: 10px;
}


.bridge-card h3 {
    color: var(--azul);
    margin-bottom: 12px;
    font-size: 21px;
}


.bridge-card p {
    color: var(--gris-texto);
}


.bridge-center {
    border-top: 5px solid var(--verde);
}


.bridge-number {
    color: var(--verde);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 15px;
}



/* =========================
   CURSO DESTACADO
========================= */

.featured-course {
    background: white;
}


.course-box {
    border: 1px solid var(--borde);
    border-radius: 12px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    padding: 45px;
}


.course-main {
    padding: 45px;
}


.course-main .tag {
    display: inline-block;
    background: var(--verde-claro);
    color: var(--verde);
    padding: 7px 13px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 18px;
}


.course-tag {
    display: inline-block;
    background: var(--verde-claro);
    color: var(--verde);
    padding: 7px 13px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 18px;
}


.course-box h2,
.course-main h2 {
    color: var(--azul);
    font-size: 32px;
    line-height: 1.25;
    margin-bottom: 18px;
}


.course-box p,
.course-main p {
    color: var(--gris-texto);
    font-size: 17px;
    margin-bottom: 25px;
}


.course-data {
    background: var(--azul);
    color: white;
    padding: 45px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.course-data h3 {
    font-size: 23px;
    margin-bottom: 25px;
}


.course-data ul {
    list-style: none;
    margin-bottom: 30px;
}


.course-data li {
    margin-bottom: 13px;
    padding-left: 20px;
    position: relative;
}


.course-data li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #b9d8ca;
    font-weight: bold;
}


.course-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}


.course-details div {
    border-top: 2px solid var(--verde);
    padding-top: 12px;
}


.course-details strong {
    display: block;
    color: var(--azul);
    margin-bottom: 5px;
}


.course-details span {
    display: block;
    color: var(--gris-texto);
    font-size: 14px;
}



/* =========================
   PROPUESTA EDUCATIVA
========================= */

.offer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}


.offer-card {
    padding: 30px;
    border: 1px solid var(--borde);
    border-radius: 10px;
    background: var(--blanco);
}


.offer-card h3 {
    color: var(--azul);
    margin-bottom: 12px;
    font-size: 21px;
}


.offer-card p {
    color: var(--gris-texto);
}


.offer-number {
    color: var(--verde);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 15px;
}



/* =========================
   WEBINAR
========================= */

.webinar {
    background: var(--verde-claro);
}


.webinar-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}


.webinar-content {
    max-width: 750px;
}


.webinar-content h2 {
    color: var(--azul);
    font-size: 34px;
    line-height: 1.2;
    margin-bottom: 15px;
}


.webinar-content p {
    color: var(--gris-texto);
    font-size: 18px;
}



/* =========================
   CONFIAM
========================= */

.about {
    background: white;
}


.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}


.about h2 {
    color: var(--azul);
    font-size: 36px;
    margin-bottom: 20px;
}


.about p {
    color: var(--gris-texto);
    margin-bottom: 16px;
}


.about-highlight {
    border-left: 4px solid var(--verde);
    padding-left: 25px;
}


.about-highlight strong {
    color: var(--azul);
}



/* =========================
   FINAL CTA
========================= */

.final-cta {
    background: var(--azul-oscuro);
    color: white;
    padding: 45px;
    border-radius: 12px;

    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}


.final-cta h2 {
    font-size: 38px;
    margin-bottom: 15px;
}


.final-cta p {
    max-width: 700px;
    margin: 0 auto 0 0;
    color: #dce5eb;
    font-size: 18px;
}



/* =========================
   CONTACTO
========================= */

.two-column-contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}


.two-column-contact h2 {
    color: var(--azul);
    font-size: 36px;
    line-height: 1.2;
    margin-bottom: 18px;
}


.two-column-contact > div > p {
    color: var(--gris-texto);
    font-size: 18px;
}


.contact-info {
    margin-top: 35px;
}


.contact-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--borde);
}


.contact-item strong {
    display: block;
    color: var(--azul);
    margin-bottom: 6px;
}


.contact-item span {
    display: block;
    color: var(--gris-texto);
}


.contact-form-box {
    background: white;
    padding: 35px;
    border: 1px solid var(--borde);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}


.form-group {
    margin-bottom: 20px;
}


.form-group label {
    display: block;
    color: var(--azul);
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 7px;
}


.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--borde);
    border-radius: 6px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    color: var(--negro);
    background: white;
}


.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--verde);
}


.form-group textarea {
    resize: vertical;
}



/* =========================
   FOOTER
========================= */

footer,
.footer {
    background: #071b2a;
    color: #bfcbd4;
    padding: 45px 0 25px;
}


.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    align-items: flex-start;
}


footer h3 {
    color: white;
    margin-bottom: 15px;
}


footer p,
.footer p {
    font-size: 14px;
}


footer ul {
    list-style: none;
}


footer li {
    margin-bottom: 8px;
    font-size: 14px;
}


footer a:hover {
    color: white;
}


.copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 13px;
    text-align: center;
}



/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

    .header-inner {
        flex-direction: column;
        padding: 18px 0;
    }


    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px 18px;
    }


    nav ul {
        gap: 12px;
    }


    .bridge-grid,
    .offer-grid {
        grid-template-columns: 1fr 1fr;
    }


    .course-box {
        grid-template-columns: 1fr;
    }


    .course-details {
        grid-template-columns: 1fr;
    }


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


    .webinar-box {
        flex-direction: column;
        align-items: flex-start;
    }


    .two-column-contact {
        grid-template-columns: 1fr;
    }


    .final-cta {
        flex-direction: column;
        align-items: flex-start;
    }


    .footer-inner {
        flex-direction: column;
    }


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

}



@media (max-width: 650px) {

    .header-inner {
        padding: 18px 0;
    }


    .logo {
        font-size: 23px;
    }


    .nav {
        gap: 10px 14px;
    }


    .nav a {
        font-size: 14px;
    }


    .hero {
        padding: 65px 0;
    }


    .hero h1 {
        font-size: 38px;
    }


    .hero p {
        font-size: 18px;
    }


    section {
        padding: 60px 0;
    }


    .section-header h2 {
        font-size: 30px;
    }


    .bridge-grid,
    .offer-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }


    .course-box {
        padding: 30px;
    }


    .course-main,
    .course-data {
        padding: 30px;
    }


    .course-box h2 {
        font-size: 28px;
    }


    .final-cta {
        padding: 30px;
    }


    .final-cta h2 {
        font-size: 30px;
    }


    .contact-form-box {
        padding: 25px;
    }

}