/* =====================================================================
   AseContable - Página de Soporte
   Marca: Naranja #F39200 | Gris #868686 | Negro #1D1D1B
   Tipografía: Sylfaen (títulos) + Segoe UI (texto), con respaldo web.
   ===================================================================== */

:root {
    --naranja: #F39200;
    --naranja-osc: #d77f00;
    --naranja-claro: #ffb84d;
    --gris: #868686;
    --gris-claro: #e9e9e9;
    --gris-bg: #f5f5f6;
    --negro: #1D1D1B;
    --blanco: #ffffff;
    --wa: #25d366;
    --wa-osc: #1da851;

    --texto: #3a3a39;
    --radio: 16px;
    --sombra: 0 10px 30px rgba(29, 29, 27, .08);
    --sombra-fuerte: 0 18px 45px rgba(243, 146, 0, .22);
    --transicion: .35s cubic-bezier(.2, .7, .2, 1);

    --fuente-titulo: 'Sylfaen', 'PT Serif', Georgia, 'Times New Roman', serif;
    --fuente-texto: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
    margin: 0;
    font-family: var(--fuente-texto);
    color: var(--texto);
    background: var(--blanco);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--fuente-titulo); color: var(--negro); line-height: 1.15; margin: 0 0 .4em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, 92%); margin-inline: auto; }

/* ---------------------- Botones ---------------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
    padding: .9rem 1.7rem; border-radius: 999px; font-weight: 700; font-size: 1rem;
    border: 2px solid transparent; cursor: pointer;
    transition: transform var(--transicion), box-shadow var(--transicion), background var(--transicion), color var(--transicion);
}
.btn-primary { background: var(--naranja); color: #fff; box-shadow: var(--sombra-fuerte); }
.btn-primary:hover { background: var(--naranja-osc); transform: translateY(-3px); }
.btn-whatsapp { background: var(--wa); color: #fff; box-shadow: 0 14px 30px rgba(37, 211, 102, .35); }
.btn-whatsapp:hover { background: var(--wa-osc); transform: translateY(-3px); }
.btn-ghost { background: #fff; color: var(--negro); border-color: var(--gris-claro); }
.btn-ghost:hover { border-color: var(--naranja); color: var(--naranja); transform: translateY(-3px); }
.btn-block { width: 100%; }

/* ---------------------- Header ---------------------- */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255, 255, 255, .85); backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: box-shadow var(--transicion), border-color var(--transicion);
}
.site-header.scrolled { box-shadow: 0 6px 20px rgba(29, 29, 27, .07); border-bottom-color: var(--gris-claro); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: .7rem 0; gap: 1rem; }
.brand-logo { height: 46px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 1.4rem; }
.nav-label { color: var(--gris); font-weight: 600; font-size: .95rem; }
.nav-cta {
    background: var(--wa); color: #fff; padding: .55rem 1.3rem; border-radius: 999px;
    font-weight: 700; box-shadow: 0 8px 20px rgba(37, 211, 102, .3); transition: var(--transicion);
}
.nav-cta:hover { background: var(--wa-osc); transform: translateY(-2px); }

/* ---------------------- Hero ---------------------- */
.hero { position: relative; overflow: hidden; padding: 160px 0 130px; text-align: center;
    background: linear-gradient(135deg, #fff 0%, #fff 55%, #fff7ec 100%); }
.hero-bg { position: absolute; inset: 0; z-index: 0;
    background: radial-gradient(circle at 80% 15%, rgba(243, 146, 0, .12), transparent 45%),
                radial-gradient(circle at 15% 90%, rgba(37, 211, 102, .10), transparent 42%); }
.hero-bg::after { content: ''; position: absolute; right: -120px; bottom: -160px; width: 520px; height: 520px;
    border-radius: 50%; border: 60px solid var(--naranja); border-right-color: transparent; border-bottom-color: transparent;
    transform: rotate(35deg); opacity: .08; }
.hero-inner { position: relative; z-index: 1; max-width: 760px; margin-inline: auto; }
.eyebrow { display: inline-block; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
    font-size: .8rem; color: var(--naranja); margin-bottom: 1rem; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
.hero h1 .accent { color: var(--naranja); font-style: italic; }
.hero .lead { font-size: 1.2rem; color: var(--gris); margin: 1.2rem auto 2rem; max-width: 56ch; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.hero-note { margin-top: 1.6rem; color: var(--gris); font-weight: 600; }
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; height: 70px; background: var(--gris-bg);
    clip-path: polygon(0 60%, 12% 30%, 28% 55%, 45% 20%, 62% 50%, 80% 22%, 100% 55%, 100% 100%, 0 100%); opacity: .7; }

/* ---------------------- Secciones ---------------------- */
.section { padding: 95px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3.2rem; }
.kicker { display: inline-block; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    font-size: .78rem; color: var(--naranja); margin-bottom: .6rem; }
.kicker.light { color: var(--naranja-claro); }
.section-head h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
.section-sub { color: var(--gris); font-size: 1.1rem; }
.section-sub.light { color: rgba(255, 255, 255, .8); }

/* ---------------------- Canales ---------------------- */
.canales { background: var(--gris-bg); }
.canal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.canal-card { background: #fff; border: 1px solid var(--gris-claro); border-radius: var(--radio);
    padding: 2.2rem 1.6rem; text-align: center;
    transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion); }
.canal-card:hover { transform: translateY(-8px); box-shadow: var(--sombra); border-color: transparent; }
.canal-icon { width: 66px; height: 66px; margin: 0 auto 1.1rem; border-radius: 50%;
    display: grid; place-items: center; color: var(--naranja);
    background: linear-gradient(135deg, #fff3e0, #ffe6c2); transition: var(--transicion); }
.canal-card:hover .canal-icon { transform: scale(1.06); }
.canal-card h3 { font-size: 1.25rem; }
.canal-card p { color: var(--gris); font-size: .96rem; margin: 0 0 1rem; }
.canal-link { font-weight: 700; color: var(--naranja); word-break: break-word; }
.canal-link:hover { text-decoration: underline; }
/* Tarjeta destacada de WhatsApp */
.canal-wa { border: 2px solid var(--wa); position: relative; }
.canal-wa .canal-icon { background: var(--wa); color: #fff; }
.canal-wa .canal-link { color: var(--wa-osc); }
.canal-wa::before { content: 'Más rápido'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--wa); color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .05em;
    padding: .25rem .8rem; border-radius: 999px; text-transform: uppercase; }

/* ---------------------- FAQ ---------------------- */
.faq-wrap { max-width: 820px; }
.faq-list { display: grid; gap: 1rem; }
.faq-item { background: #fff; border: 1px solid var(--gris-claro); border-radius: 14px; overflow: hidden;
    transition: border-color var(--transicion), box-shadow var(--transicion); }
.faq-item[open] { border-color: var(--naranja); box-shadow: var(--sombra); }
.faq-item summary { list-style: none; cursor: pointer; padding: 1.2rem 1.4rem;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    font-weight: 600; color: var(--negro); font-size: 1.05rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron { flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%;
    background: #fff3e0; color: var(--naranja); display: grid; place-items: center;
    font-size: 1.3rem; line-height: 1; transition: transform var(--transicion), background var(--transicion); }
.faq-item[open] .faq-chevron { transform: rotate(45deg); background: var(--naranja); color: #fff; }
.faq-answer { padding: 0 1.4rem 1.3rem; }
.faq-answer p { margin: 0; color: var(--texto); }

/* ---------------------- Contacto / Solicitud ---------------------- */
.contacto { background: var(--negro);
    background-image: radial-gradient(circle at 12% 20%, rgba(243, 146, 0, .18), transparent 35%),
                      radial-gradient(circle at 90% 80%, rgba(37, 211, 102, .12), transparent 35%);
    color: #fff; }
.contacto h2 { color: #fff; }
.contacto-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3.5rem; align-items: start; }
.contacto-list { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.2rem; }
.contacto-list li { display: flex; gap: 1rem; align-items: center; }
.ci-ico { flex: 0 0 48px; height: 48px; width: 48px; border-radius: 12px; color: var(--naranja-claro);
    display: grid; place-items: center; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .12); }
.contacto-list strong { display: block; color: #fff; font-size: .95rem; }
.contacto-list a, .contacto-list span:not(.ci-ico) { color: rgba(255, 255, 255, .75); }
.contacto-list a:hover { color: var(--naranja-claro); }

.contacto-form-wrap { background: #fff; color: var(--texto); border-radius: var(--radio);
    padding: 2.4rem; box-shadow: 0 30px 60px rgba(0, 0, 0, .3); }
.contacto-form .field { margin-bottom: 1.1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contacto-form label { display: block; font-weight: 600; color: var(--negro); margin-bottom: .35rem; font-size: .92rem; }
.contacto-form input, .contacto-form textarea, .contacto-form select {
    width: 100%; padding: .8rem 1rem; border: 1.5px solid var(--gris-claro); border-radius: 10px;
    font-family: inherit; font-size: 1rem; color: var(--negro); background: #fafafa; transition: var(--transicion); }
.contacto-form input:focus, .contacto-form textarea:focus, .contacto-form select:focus {
    outline: none; border-color: var(--naranja); background: #fff; box-shadow: 0 0 0 4px rgba(243, 146, 0, .12); }
.contacto-form textarea { resize: vertical; }
.val-msg { color: #d32f2f; font-size: .85rem; }
.val-summary { color: #d32f2f; font-size: .9rem; }
.val-summary ul { margin: 0; padding-left: 1.1rem; }
.alert-ok { background: #e8f6ea; border: 1px solid #b8e0bd; color: #1e6b2a;
    padding: 1rem 1.2rem; border-radius: 12px; margin-bottom: 1.3rem; display: flex; flex-direction: column; gap: .2rem; }

/* ---------------------- Footer ---------------------- */
.site-footer { background: #141413; color: rgba(255, 255, 255, .72); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 2.5rem; padding-bottom: 48px; }
.footer-logo { height: 52px; width: auto; margin-bottom: 1rem; }
.footer-tag { max-width: 32ch; color: rgba(255, 255, 255, .6); }
.footer-col h4 { color: #fff; font-family: var(--fuente-texto); font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.footer-col a:hover { color: var(--naranja-claro); }
.footer-contact li { font-size: .95rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0; font-size: .88rem; color: rgba(255, 255, 255, .5); }

/* ---------------------- WhatsApp flotante ---------------------- */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 200;
    display: flex; align-items: center; gap: 0; background: var(--wa); color: #fff;
    height: 60px; border-radius: 999px; padding: 0; overflow: hidden;
    box-shadow: 0 12px 28px rgba(37, 211, 102, .45); transition: var(--transicion); }
.wa-float svg { flex: 0 0 60px; width: 60px; height: 60px; padding: 14px; }
.wa-float-text { max-width: 0; opacity: 0; white-space: nowrap; font-weight: 700;
    transition: max-width var(--transicion), opacity var(--transicion), padding var(--transicion); }
.wa-float:hover { transform: translateY(-2px); }
.wa-float:hover .wa-float-text { max-width: 180px; opacity: 1; padding-right: 22px; }

/* ---------------------- Reveal ---------------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------------- Responsive ---------------------- */
@media (max-width: 980px) {
    .canal-grid { grid-template-columns: 1fr 1fr; }
    .contacto-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
    .nav-label { display: none; }
    .canal-grid, .field-row, .footer-grid { grid-template-columns: 1fr; }
    .section { padding: 70px 0; }
    .hero { padding: 130px 0 90px; }
    .wa-float-text { display: none; }
    .hero-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}