/* ---------------------------------------------------------
   Solutionstwk — Estilos base
   Paleta:  navy-950 #0B1B2B | navy-800 #14314F | blue-600 #2D6CB0
            slate-500 #5A6B7B | paper #F5F7FA | ink #16202B
   Tipos:   Titulares -> Source Serif 4 | Cuerpo -> IBM Plex Sans
--------------------------------------------------------- */

:root {
    --navy-950: #0B1B2B;
    --navy-800: #14314F;
    --blue-600: #2D6CB0;
    --blue-100: #DCE7F2;
    --slate-500: #5A6B7B;
    --paper: #F5F7FA;
    --white: #FFFFFF;
    --ink: #16202B;

    --serif: 'Source Serif 4', Georgia, serif;
    --sans: 'IBM Plex Sans', -apple-system, Segoe UI, Roboto, sans-serif;

    --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: var(--serif);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 0.5em;
    color: var(--navy-950);
}

h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; color: var(--ink); }

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

.wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.eyebrow {
    font-family: var(--sans);
    font-size: 0.92rem;
    color: var(--blue-600);
    font-weight: 500;
    margin-bottom: 0.6em;
}

/* ---------- Header ---------- */

.site-header {
    background: var(--navy-950);
    position: sticky;
    top: 0;
    z-index: 40;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--white);
}

.logo-icon { flex-shrink: 0; }

.logo-divider {
    width: 1px;
    height: 30px;
    background: var(--blue-600);
    opacity: 0.6;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.logo-top {
    font-family: var(--serif);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--blue-100);
}

.logo-bottom {
    font-family: var(--sans);
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: var(--white);
    white-space: nowrap;
}

.main-nav a.is-active {
    color: var(--white);
    border-color: var(--blue-600);
}

.main-nav {
    display: flex;
    gap: 32px;
}

.main-nav a {
    color: var(--blue-100);
    font-size: 0.95rem;
    padding: 6px 2px;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.main-nav a:hover {
    color: var(--white);
    border-color: var(--blue-600);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 34px;
    height: 34px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--white);
    width: 100%;
}

/* ---------- Hero ---------- */

.hero {
    position: relative;
    background: var(--navy-950);
    color: var(--white);
    padding: 96px 0 110px;
    overflow: hidden;
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(220,231,242,0.14) 1px, transparent 1px);
    background-size: 26px 26px;
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
    mask-image: linear-gradient(to bottom, transparent, black 30%, black 70%, transparent);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
}

.hero-copy {
    max-width: 720px;
}

.hero-copy .eyebrow { color: var(--blue-100); opacity: 0.85; }

.hero-copy h1 {
    color: var(--white);
    margin-bottom: 0.5em;
}

.hero-sub {
    color: var(--blue-100);
    font-size: 1.08rem;
    max-width: 560px;
    margin-bottom: 2em;
}

.btn {
    display: inline-block;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.98rem;
    padding: 13px 26px;
    border: 1px solid transparent;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
    background: var(--blue-600);
    color: var(--white);
}

.btn-primary:hover {
    background: #3a7bc4;
}

/* ---------- Sections ---------- */

.section {
    padding: 88px 0;
}

.section-narrow .lede,
.lede-narrow {
    max-width: 640px;
}

.lede {
    font-size: 1.08rem;
    color: var(--slate-500);
}

.section-dark {
    background: var(--navy-800);
    color: var(--white);
}

.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: var(--blue-100); }
.section-dark .eyebrow { color: #9FC2E4; }

.product-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

.product-alt {
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 400;
    color: #9FC2E4;
    margin-left: 10px;
}

.product-subtitle {
    color: var(--blue-100) !important;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 1.05rem;
    margin-bottom: 0.9em;
}

.product-mission {
    color: var(--blue-100);
    border-left: 2px solid var(--blue-600);
    padding-left: 18px;
    font-style: italic;
    margin: 1.4em 0 1.8em;
}

.feature-heading {
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: #9FC2E4;
    margin: 1.8em 0 0.6em;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 0.6em;
}

.feature-list li {
    padding: 12px 0;
    border-top: 1px solid rgba(220,231,242,0.18);
    color: var(--blue-100);
}

.feature-list li:last-child {
    border-bottom: 1px solid rgba(220,231,242,0.18);
}

.feature-list li strong {
    color: var(--white);
    font-weight: 600;
}

.product-audience {
    color: var(--blue-100);
    margin-bottom: 0;
}

.visual-card {
    background: var(--navy-950);
    border: 1px solid rgba(220,231,242,0.18);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.visual-row {
    display: flex;
    gap: 10px;
}

.visual-row span {
    height: 10px;
    background: rgba(220,231,242,0.16);
}

.visual-row span:first-child { flex: 1; }
.visual-row span:last-child { flex: 2; }
.visual-row.short span { flex: 0.5; }

/* ---------- Productos (portada) ---------- */

.products-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 24px;
    margin-top: 2.6em;
}

.product-card {
    background: var(--navy-950);
    border: 1px solid rgba(220,231,242,0.14);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: border-color 0.15s ease;
}

.product-card.is-featured {
    grid-row: span 2;
    background: linear-gradient(155deg, var(--navy-950) 0%, var(--navy-800) 100%);
    border-color: rgba(45,108,176,0.5);
}

.product-card:hover { border-color: rgba(45,108,176,0.7); }

.product-card .icon-badge {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(45,108,176,0.15);
    border: 1px solid rgba(45,108,176,0.4);
}

.product-card h3 {
    color: var(--white);
    margin-bottom: 0.2em;
}

.product-card .product-kicker {
    font-size: 0.85rem;
    color: #9FC2E4;
    font-weight: 500;
    margin: 0;
}

.product-card p.summary {
    color: var(--blue-100);
    flex-grow: 1;
    margin-bottom: 0;
}

.product-card .card-cta {
    color: var(--white);
    font-weight: 500;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--blue-600);
    width: fit-content;
    padding-bottom: 2px;
}

.product-card.is-soon {
    background: transparent;
    border-style: dashed;
    justify-content: flex-start;
}

.product-card.is-soon .icon-badge {
    background: transparent;
    border-color: rgba(220,231,242,0.25);
}

.status-tag {
    align-self: flex-start;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 4px 10px;
    color: #9FC2E4;
    border: 1px solid rgba(159,194,228,0.4);
}

/* ---------- Contacto ---------- */

.section-contact {
    background: var(--white);
    border-top: 1px solid #E2E8EF;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-size: 1.05rem;
    padding-top: 6px;
}

.contact-details a {
    color: var(--navy-950);
    border-bottom: 1px solid var(--blue-600);
    width: fit-content;
    padding-bottom: 2px;
}

.contact-details a:hover { color: var(--blue-600); }

.contact-details span {
    color: var(--slate-500);
}

/* ---------- Página de producto ---------- */

.hero-product .hero-copy h1 {
    margin-bottom: 0.15em;
}

.hero-product-subtitle {
    font-family: var(--sans);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--blue-100);
    margin-bottom: 1em;
}

.ciclo-list {
    list-style: none;
    padding: 0;
    margin: 1.6em 0 0;
    display: grid;
    gap: 1px;
    background: #E2E8EF;
    border: 1px solid #E2E8EF;
}

.ciclo-list li {
    background: var(--white);
    padding: 16px 20px;
    counter-increment: ciclo;
    position: relative;
    padding-left: 44px;
    color: var(--ink);
}

.ciclo-list {
    counter-reset: ciclo;
}

.ciclo-list li::before {
    content: counter(ciclo);
    position: absolute;
    left: 18px;
    top: 16px;
    font-family: var(--serif);
    font-weight: 600;
    color: var(--blue-600);
    font-size: 0.95rem;
}

.mission-statement {
    font-family: var(--serif);
    font-size: 1.4rem;
    line-height: 1.4;
    color: var(--white);
    font-weight: 400;
    max-width: 680px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 48px;
    margin-top: 2.2em;
}

.feature-block {
    border-top: 2px solid var(--navy-950);
    padding-top: 16px;
}

.feature-block h3 {
    font-size: 1.1rem;
    margin-bottom: 0.4em;
}

.feature-block p {
    color: var(--slate-500);
    margin-bottom: 0;
}

/* ---------- Footer ---------- */

.site-footer {
    background: var(--navy-950);
    color: var(--blue-100);
    padding: 26px 0;
    font-size: 0.85rem;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-sub { opacity: 0.7; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
    .product-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .product-visual { order: -1; }
    .products-grid { grid-template-columns: 1fr; }
    .product-card.is-featured { grid-row: auto; }
    .feature-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 720px) {
    .main-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--navy-950);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.2s ease;
    }
    .main-nav.open {
        max-height: 300px;
        border-bottom: 1px solid rgba(220,231,242,0.15);
    }
    .main-nav a {
        padding: 16px 24px;
        border-bottom: 1px solid rgba(220,231,242,0.1);
    }
    .nav-toggle { display: flex; }
    .hero { padding: 64px 0 76px; }
    .section { padding: 60px 0; }
}

/* Respeta preferencia de menos movimiento */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}

/* Foco visible para accesibilidad de teclado */
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--blue-600);
    outline-offset: 2px;
}