:root {
    --color-azul: #1B365D;
    --color-azul-oscuro: #0B1B2B;
    --color-gris: #A6A9AA;
    --color-fondo: #111E2E;
    --color-blanco: #ffffff;
    --color-texto: #e8edf3;
    --color-texto-suave: #b8c0c8;
    --color-hero-overlay: #121D2E;
    --gradient-hero: rgba(18, 29, 46, 0.2);
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    --radius: 12px;
    --container: 1140px;
    --header-h: 76px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }

a { color: #8eb4e8; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-azul);
    color: #fff;
    padding: .5rem 1rem;
    z-index: 9999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 27, 43, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(166, 169, 170, 0.15);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-h);
    gap: 1rem;
}

.site-logo img {
    height: 48px;
    width: auto;
    max-width: min(220px, 45vw);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: .5rem;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gris);
}

.site-nav__list {
    display: flex;
    gap: .25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__link {
    display: block;
    padding: .65rem 1rem;
    color: var(--color-texto);
    font-size: .92rem;
    font-weight: 500;
    border-radius: 8px;
    text-decoration: none;
    transition: background .2s, color .2s;
}
.site-nav__link:hover,
.site-nav__link.is-active {
    background: rgba(27, 54, 93, 0.8);
    color: #fff;
    text-decoration: none;
}

/* Hero */
.hero {
    position: relative;
    min-height: clamp(420px, 70vh, 620px);
    display: flex;
    align-items: center;
    background: var(--color-azul-oscuro) center/cover no-repeat;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}
.hero__content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    padding: 4rem 0;
}
.hero__title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.15;
    margin: 0 0 1.75rem;
    font-weight: 700;
    color: #fff;
}
.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: #fff;
    margin: 0 0 1.75rem;
    max-width: 58ch;
}
.hero--page {
    min-height: 280px;
}
.hero--page .hero__title { font-size: clamp(1.5rem, 3vw, 2.25rem); }

/* Intro debajo del hero (Inicio) */
.intro-block {
    background: var(--color-fondo);
    padding: 5rem 0 3rem;
    border-bottom: 1px solid rgba(166, 169, 170, 0.12);
}
.intro-block__inner {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    text-align: center;
}
.intro-block__inner p {
    grid-column: 2 / span 10;
    margin: 0 0 1.25rem;
    color: #fff;
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
}
.intro-block__inner p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .intro-block {
        padding-top: 3.5rem;
    }
    .intro-block__inner p {
        grid-column: 1 / -1;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform .15s, background .2s, border-color .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary {
    background: var(--color-azul);
    color: #fff;
    border-color: var(--color-azul);
}
.btn--primary:hover { background: #254a7a; color: #fff; }
.btn--outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.5);
}
.btn--outline:hover { border-color: #fff; color: #fff; }
.btn--light {
    background: #fff;
    color: var(--color-azul);
}
.btn--light:hover { background: #eef2f7; color: var(--color-azul-oscuro); }

.link-button {
    background: none;
    border: 0;
    color: var(--color-gris);
    cursor: pointer;
    font: inherit;
    text-decoration: underline;
    padding: 0;
}
.link-button:hover { color: #fff; }

/* Sections */
.section { padding: 4rem 0; }
.section--alt { background: rgba(27, 54, 93, 0.18); }
.section__header { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 .75rem;
    color: #fff;
}
.section__lead {
    margin: 0;
    color: var(--color-texto-suave);
}

/* Pillars */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.pillar-card {
    position: relative;
    overflow: hidden;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-azul-oscuro);
    border: 1px solid rgba(166, 169, 170, 0.2);
    border-radius: var(--radius);
    padding: 1.75rem;
    text-align: center;
}
.pillar-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--pillar-bg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.12);
    transform-origin: center center;
    z-index: 0;
}
.pillar-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(18, 29, 46, 0.7);
    z-index: 1;
}
.pillar-card__content {
    position: relative;
    z-index: 2;
}
.pillar-card h3 {
    margin: 0 0 .5rem;
    font-size: 1.1rem;
    color: #fff;
}
.pillar-card p {
    margin: 0;
    color: var(--color-texto);
    font-size: .95rem;
}

/* Regulatory banner */
.regulatory-banner {
    background: linear-gradient(90deg, var(--color-azul-oscuro), var(--color-azul));
    border-block: 1px solid rgba(166, 169, 170, 0.2);
    padding: 3rem 0;
}
.regulatory-banner__inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 2rem;
    align-items: center;
}
.regulatory-banner h2 { margin: 0 0 .75rem; font-size: 1.5rem; }
.regulatory-banner p { margin: 0; color: var(--color-texto-suave); }

/* Product banners */
.product-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 380px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 2rem;
    border: 1px solid rgba(166, 169, 170, 0.15);
    box-shadow: var(--shadow);
}
.product-banner--reverse .product-banner__media { order: 2; }
.product-banner--reverse .product-banner__body { order: 1; }
.product-banner--proximamente {
    border-style: dashed;
    opacity: .92;
}
.product-banner__media {
    position: relative;
    min-height: 280px;
    background: var(--color-azul-oscuro) center/cover no-repeat;
}
.product-banner__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent, rgba(11, 27, 43, 0.5));
}
.product-banner__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2.5rem;
    background: rgba(11, 27, 43, 0.85);
}
.product-banner__badge {
    display: inline-block;
    background: var(--color-azul);
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: .25rem .65rem;
    border-radius: 4px;
    margin-bottom: .75rem;
    width: fit-content;
}
.product-banner h2 { margin: 0 0 1rem; font-size: 1.5rem; }
.product-banner p { margin: 0 0 1.5rem; color: var(--color-texto-suave); }

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.testimonial-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 0;
    padding: 0;
    cursor: pointer;
    background: none;
    text-align: left;
    color: inherit;
    font: inherit;
}
.testimonial-card__thumb {
    aspect-ratio: 16/10;
    background: center/cover no-repeat;
    position: relative;
}
.testimonial-card__play {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(11, 27, 43, 0.45);
    transition: background .2s;
}
.testimonial-card:hover .testimonial-card__play { background: rgba(27, 54, 93, 0.55); }
.testimonial-card__play span {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255,255,255,.92);
    display: grid;
    place-items: center;
    box-shadow: var(--shadow);
}
.testimonial-card__play span::after {
    content: '';
    border-style: solid;
    border-width: 10px 0 10px 16px;
    border-color: transparent transparent transparent var(--color-azul);
    margin-left: 4px;
}
.testimonial-card__info {
    padding: 1rem 0 0;
}
.testimonial-card__info h3 { margin: 0; font-size: 1rem; }
.testimonial-card__info p { margin: .25rem 0 0; font-size: .875rem; color: var(--color-gris); }

/* Split content (quienes somos, servicios) */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.split-section__media {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    min-height: 320px;
    background: center/cover no-repeat;
}
.split-section__content h2 { margin-top: 0; font-size: 1.75rem; }
.split-section__content p { color: var(--color-texto-suave); }

.service-block {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(166, 169, 170, 0.15);
}
.service-block:last-child { border-bottom: 0; }
.service-block--reverse { direction: rtl; }
.service-block--reverse > * { direction: ltr; }
.service-block__media {
    min-height: 260px;
    border-radius: var(--radius);
    background: center/cover no-repeat;
    box-shadow: var(--shadow);
}
.service-block h3 { margin: 0 0 .75rem; font-size: 1.35rem; }
.service-block p { margin: 0; color: var(--color-texto-suave); }

/* Contact / form */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 2.5rem;
    align-items: start;
}
.form-card, .contact-card {
    background: rgba(11, 27, 43, 0.75);
    border: 1px solid rgba(166, 169, 170, 0.2);
    border-radius: var(--radius);
    padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    margin-bottom: .4rem;
    font-weight: 500;
    font-size: .9rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: .7rem .85rem;
    border: 1px solid rgba(166, 169, 170, 0.35);
    border-radius: 8px;
    background: rgba(17, 30, 46, 0.8);
    color: #fff;
    font: inherit;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid var(--color-azul);
    border-color: var(--color-azul);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}
.form-note { font-size: .85rem; color: var(--color-gris); margin-top: .75rem; }
.alert {
    padding: .85rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    font-size: .95rem;
}
.alert--ok { background: rgba(46, 125, 50, .25); border: 1px solid rgba(76, 175, 80, .5); }
.alert--error { background: rgba(183, 28, 28, .2); border: 1px solid rgba(229, 57, 53, .45); }

.contact-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.contact-list li {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    margin-bottom: 1rem;
    color: var(--color-texto-suave);
}
.contact-list strong { color: #fff; display: block; }

/* Footer */
.site-footer {
    border-top: 1px solid rgba(166, 169, 170, 0.15);
    padding: 1.5rem 0 5rem;
    margin-top: 2rem;
}
.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.site-footer__copy { margin: 0; color: var(--color-gris); font-size: .9rem; }

/* WhatsApp float */
.whatsapp-float {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: var(--shadow);
    z-index: 90;
    transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.06); text-decoration: none; }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

/* Modal */
.modal[hidden] { display: none !important; }
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 1rem;
}
.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
}
.modal__panel {
    position: relative;
    z-index: 1;
    width: min(100%, 640px);
    max-height: 85vh;
    overflow: auto;
    background: #fff;
    color: #1a1a1a;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.modal__panel--video { width: min(100%, 860px); }
.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #e5e5e5;
}
.modal__header h2 { margin: 0; font-size: 1.15rem; color: var(--color-azul); }
.modal__close {
    background: none;
    border: 0;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    color: #666;
}
.modal__body { padding: 1.25rem; }
.prose p { margin: 0 0 1rem; }
.video-placeholder {
    aspect-ratio: 16/9;
    background: #111E2E;
    color: #fff;
    display: grid;
    place-items: center;
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 960px) {
    .pillars,
    .testimonials-grid,
    .regulatory-banner__inner,
    .product-banner,
    .split-section,
    .contact-grid,
    .service-block,
    .service-block--reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    .product-banner--reverse .product-banner__media,
    .product-banner--reverse .product-banner__body { order: unset; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--color-azul-oscuro);
        border-bottom: 1px solid rgba(166,169,170,.15);
        display: none;
        padding: 1rem;
    }
    .site-nav.is-open { display: block; }
    .site-nav__list { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .section { padding: 2.5rem 0; }
    .hero__content { padding: 2.5rem 0; }
}