:root {
    --red: #ec5252;
    --red-dark: #d24040;
    --green: #86bc25;
    --green-dark: #6d9918;
    --ink: #29303b;
    --muted: #505763;
    --line: #e4e7ec;
    --bg: #f5f6f8;
    --top: #1e2530;
    --footer: #171c24;
    --white: #fff;
    --shadow: 0 16px 40px rgba(23, 28, 36, 0.12);
    --header: 78px;
    --container: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Roboto, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: var(--green-dark); text-decoration: none; }
a:hover { color: var(--red); }
h1, h2, h3 { line-height: 1.2; font-weight: 700; margin: 0 0 0.6rem; }
p { margin: 0 0 1rem; }
button, input, textarea { font: inherit; }

.container { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; }
.skip {
    position: absolute;
    left: 1rem;
    top: -4rem;
    background: var(--ink);
    color: var(--white);
    padding: 0.6rem 0.9rem;
    z-index: 20;
}
.skip:focus { top: 0.6rem; color: var(--white); }
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.topbar { background: var(--top); color: #c9d0da; font-size: 0.84rem; }
.topbar__inner { display: flex; justify-content: space-between; gap: 1rem; align-items: center; min-height: 40px; }
.topbar__note { margin: 0; }
.topbar__links { display: flex; gap: 1.1rem; list-style: none; margin: 0; padding: 0; }
.topbar a { color: #fff; }
.topbar a:hover { color: var(--green); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(8px);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header); gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; color: inherit; }
.brand:hover { color: inherit; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand__word { display: flex; flex-direction: column; font-weight: 700; letter-spacing: 0.08em; line-height: 1.05; font-size: 0.95rem; }
.brand__word span:first-child { color: var(--red); }
.brand__word span:last-child { color: var(--green); }
.brand--footer img { width: 44px; height: 44px; }

.nav { display: flex; align-items: center; gap: 1.2rem; }
.nav__list { display: flex; align-items: center; gap: 0.2rem; list-style: none; margin: 0; padding: 0; }
.nav__item > a {
    display: block;
    padding: 0.7rem 0.85rem;
    color: var(--ink);
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}
.nav__item.is-active > a,
.nav__item > a:hover { color: var(--red); }
.nav__item--drop { position: relative; }
.dropdown {
    position: absolute;
    top: calc(100% - 0.2rem);
    left: 0;
    min-width: 210px;
    margin: 0;
    padding: 0.4rem 0;
    list-style: none;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: 0.18s ease;
}
.nav__item--drop:hover .dropdown,
.nav__item--drop:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; }
.dropdown a { display: block; padding: 0.55rem 1rem; color: var(--ink); }
.dropdown a:hover { background: var(--bg); color: var(--red); }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: 4px;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    position: relative;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.7rem 1.2rem;
    border-radius: 3px;
    border: 2px solid transparent;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: 0.15s ease;
}
.btn--red { background: var(--red); color: var(--white); }
.btn--red:hover { background: var(--red-dark); color: var(--white); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.75); }
.btn--ghost:hover { background: var(--white); color: var(--ink); }
.btn--line { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.45); }
.btn--line:hover { background: var(--white); color: var(--ink); }
.nav__cta { min-height: 40px; padding: 0.45rem 0.95rem; }

.hero { position: relative; background: var(--top); }
.hero__viewport { position: relative; height: 700px; overflow: hidden; }
.hero__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 0.45s ease; }
.hero__slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.hero__slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__shade {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, rgba(18, 22, 30, 0.86) 0%, rgba(18, 22, 30, 0.62) 46%, rgba(18, 22, 30, 0.22) 100%);
}
.hero__copy {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: var(--white);
    padding-top: 1.5rem;
    padding-bottom: 6.5rem;
}
.hero__copy h1,
.hero__copy h2 {
    max-width: 18ch;
    font-size: clamp(2rem, 3.5vw, 2.85rem);
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}
.hero__copy h1,
.hero__copy h2 { color: var(--white); }
.hero__copy p:last-of-type { color: #e6ebf2; max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.4rem; }
.hero__arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    color: var(--white);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
}
.hero__arrow:hover { background: var(--red); }
.hero__arrow--prev { left: 1rem; }
.hero__arrow--next { right: 1rem; }
.hero__dots {
    position: absolute;
    z-index: 3;
    left: 0;
    right: 0;
    bottom: 4.6rem;
    display: flex;
    justify-content: center;
    gap: 0.45rem;
}
.hero__dots button {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 0;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
}
.hero__dots button[aria-current="true"] { background: var(--green); }

.kicker {
    margin: 0 0 0.45rem;
    color: var(--green);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
}
.kicker--green { color: var(--green-dark); }

.features { position: relative; z-index: 4; margin-top: -42px; }
.features__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.feature {
    background: var(--white);
    border-top: 3px solid var(--green);
    box-shadow: var(--shadow);
    padding: 1.35rem 1.15rem 1.2rem;
}
.feature:hover { border-top-color: var(--red); }
.feature__icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(134, 188, 37, 0.14);
    color: var(--green-dark);
    margin-bottom: 0.8rem;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h2 { font-size: 1.08rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.section { padding: 4.5rem 0; }
.section--soft { background: var(--bg); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 2rem; }
.section__head--left { text-align: left; margin: 0 0 1.4rem; }
.section__head h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.section__head p { color: var(--muted); }

.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; }
.split__media img { width: 100%; height: 420px; object-fit: cover; border-radius: 4px; box-shadow: var(--shadow); }
.split h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); }
.ticks { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.ticks li { position: relative; padding-left: 1.6rem; margin: 0.45rem 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.45rem; width: 0.7rem; height: 0.4rem; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(-45deg); }
.text-link { font-weight: 700; color: var(--red); }
.text-link:hover { color: var(--red-dark); }

.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin: 0; padding: 0; }
.steps li { background: var(--white); border: 1px solid var(--line); padding: 1.4rem 1.2rem; }
.steps span { display: block; color: var(--red); font-weight: 700; letter-spacing: 0.08em; margin-bottom: 0.4rem; }
.steps p { margin: 0; color: var(--muted); }

.band { background: var(--top); color: var(--white); }
.band__inner { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; padding: 2.4rem 0; }
.band h2 { color: var(--white); font-size: 1.7rem; }
.band p { margin: 0; color: #d5dbe3; }
.band__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.page-hero {
    background:
        linear-gradient(100deg, rgba(23, 28, 36, 0.88), rgba(23, 28, 36, 0.62)),
        url("/assets/img/banner-formacion.jpg") center/cover no-repeat;
    color: var(--white);
    padding: 3.4rem 0 3rem;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); color: var(--white); }
.page-hero p { max-width: 62ch; color: #e4e9f0; margin-bottom: 0; }
.crumbs { display: flex; gap: 0.45rem; align-items: center; color: #c9d0da; font-size: 0.88rem; margin-bottom: 0.8rem; }
.crumbs a { color: var(--white); }
.page-hero .hero__actions { margin-top: 1.2rem; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.card { background: var(--white); border: 1px solid var(--line); padding: 1.3rem 1.2rem 1.15rem; box-shadow: 0 8px 24px rgba(23, 28, 36, 0.04); }
.section--soft .card { border-color: transparent; }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--muted); }

.prose-layout { display: grid; grid-template-columns: 1.4fr 0.7fr; gap: 2rem; align-items: start; }
.prose { max-width: 760px; }
.prose h2 { margin-top: 1.6rem; font-size: 1.45rem; }
.prose ul { padding-left: 1.1rem; }
.prose li { margin: 0.4rem 0; }
.aside-card { background: var(--bg); padding: 1.4rem 1.2rem; border-top: 3px solid var(--green); }

.contact-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2rem; align-items: start; }
.form { display: grid; gap: 0.9rem; }
.form__row { display: grid; gap: 0.3rem; }
.form label { font-weight: 700; font-size: 0.92rem; }
.form label span { font-weight: 400; color: var(--muted); }
.form input, .form textarea {
    width: 100%;
    border: 1px solid #cfd5de;
    border-radius: 3px;
    padding: 0.75rem 0.8rem;
    color: var(--ink);
    background: var(--white);
}
.form input:focus, .form textarea:focus { outline: 2px solid rgba(134, 188, 37, 0.45); border-color: var(--green); }
.form small { color: var(--red-dark); }
.form__legal { color: var(--muted); font-size: 0.9rem; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.notice { padding: 0.85rem 1rem; border-radius: 3px; margin: 0 0 1rem; }
.notice--ok { background: #eef7dc; color: #3d5a10; }
.notice--error { background: #fdecec; color: #8d2424; }
.contact-cards { display: grid; gap: 0.8rem; }
.contact-cards article { border: 1px solid var(--line); padding: 1rem 1.05rem; }
.contact-cards span { color: var(--green-dark); display: block; margin-bottom: 0.35rem; }
.contact-cards svg { width: 26px; height: 26px; }
.contact-cards h2 { font-size: 1rem; }
.contact-cards p { margin: 0; }

.site-footer { background: var(--footer); color: #c5ccd6; padding-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.9fr 0.9fr; gap: 2rem; }
.site-footer h2 { color: var(--white); font-size: 1rem; letter-spacing: 0.04em; text-transform: uppercase; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0.35rem 0; }
.site-footer a { color: #d7dde6; }
.site-footer a:hover { color: var(--green); }
.footer-bottom { margin-top: 2rem; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.footer-bottom__inner { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0 1.2rem; font-size: 0.86rem; }
.footer-bottom p { margin: 0; }

.whatsapp {
    position: fixed;
    right: 1.1rem;
    bottom: 1.1rem;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: #25d366;
    color: #fff;
    border-radius: 999px;
    padding: 0.7rem 0.95rem 0.7rem 0.75rem;
    box-shadow: 0 10px 24px rgba(20, 90, 40, 0.28);
    font-weight: 700;
}
.whatsapp:hover { color: #fff; background: #1ebe5d; }
.whatsapp svg { width: 22px; height: 22px; fill: currentColor; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

@media (max-width: 980px) {
    .features__grid, .steps, .footer-grid { grid-template-columns: 1fr 1fr; }
    .split, .prose-layout, .contact-layout, .band__inner { grid-template-columns: 1fr; display: grid; }
    .band__inner { align-items: start; }
    .hero__viewport { height: 620px; }
    .topbar__note { display: none; }
    .nav-toggle { display: grid; place-items: center; }
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: stretch;
        padding: 0.6rem 1rem 1rem;
        box-shadow: var(--shadow);
        z-index: 5;
    }
    .nav.is-open { display: flex; }
    .nav__list { flex-direction: column; align-items: stretch; }
    .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0.4rem 0.8rem; }
}

@media (max-width: 760px) {
    .features { margin-top: 1.2rem; }
    .features__grid, .steps, .cards, .footer-grid { grid-template-columns: 1fr; }
    .hero__viewport { height: 560px; }
    .hero__arrow { display: none; }
    .footer-bottom__inner { flex-direction: column; }
    .split__media img { height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .hero__slide, .dropdown { transition: none; }
}