/* Conserva la identidad visual original y afina jerarquía, densidad y navegación. */
html{scroll-padding-top:82px}
.container{width:min(1180px,calc(100% - 48px))}
.nav{gap:20px}
.nav nav{gap:19px}
.nav nav a{display:flex;align-items:center}
.nav nav .mobile-login{display:none}
.nav .text-link{white-space:nowrap;font-size:13px}
.nav .button-small{white-space:nowrap}
.menu-toggle{display:none}
.button{border-radius:7px}
.hero{grid-template-columns:minmax(0,1.03fr) minmax(0,.97fr);gap:clamp(42px,5vw,78px);padding:75px 0 85px}
.hero h1{font-size:clamp(48px,5vw,72px)}
.hero-text{max-width:580px}
.hero-demo{border-width:7px;border-radius:17px}
.hero-signal{border-radius:7px}
.proof-items{justify-content:space-between;gap:16px}
.proof-items b{height:4px;width:4px;flex:0 0 auto}
.section{padding:88px 0}
.section-heading{grid-template-columns:minmax(0,1.12fr) minmax(260px,.75fr);gap:60px}
.use-case{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
.use-case-tab{border-radius:7px}
.flow-card{border-radius:10px}
.steps{grid-template-columns:1.16fr .92fr .92fr;gap:14px;margin-top:35px}
.steps article{min-height:218px;border-radius:10px}
.steps article:first-child{background:var(--ink);border-color:var(--ink);color:#fff}
.steps article:first-child p{color:#c5d6e4}
.verticals-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-top:35px}
.vertical-card{grid-column:span 3;border-radius:10px}
.vertical-card:nth-child(3){grid-column:span 2}
.vertical-card:nth-child(4){grid-column:span 4}
.feature-list div{border-radius:10px}
.feature-list div:first-child{grid-column:1/-1;background:var(--ink);border-color:var(--ink);color:#fff}
.feature-list div:first-child span{color:#c5d6e4}
.channel-tab{border-radius:7px}
.channel-plan-badge{border-radius:5px}
.channel-cards{grid-template-columns:1.15fr .9fr .95fr;gap:14px}
.channel{border-radius:10px}
.panel-features-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.panel-features-grid .vertical-card{grid-column:span 1;border-radius:10px}
.panel-features-grid .vertical-card:first-child,
.panel-features-grid .vertical-card:last-child{grid-column:span 2}
.plans{grid-template-columns:.96fr 1.08fr .96fr;gap:15px}
.plan,.plan.featured{border-radius:10px}
.byok-toggle,.compare-wrap{border-radius:8px}
.faq details{border-radius:9px}
.cta{border-radius:12px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline-offset:3px}

@media(max-width:1050px){
  .nav{gap:12px}
  .nav nav{display:none;position:absolute;top:calc(100% - 1px);left:0;right:0;z-index:30;
    flex-direction:column;gap:0;padding:8px;border:1px solid var(--line);border-radius:0 0 9px 9px;
    background:var(--surface);box-shadow:0 18px 35px -28px var(--ink);margin:0}
  .nav.menu-open nav{display:flex}
  .nav nav a{padding:11px 14px;font-size:14px}
  .nav nav a::after{display:none}
  .nav nav .mobile-login{display:none}
  .menu-toggle{display:flex;flex:0 0 auto;flex-direction:column;justify-content:center;gap:4px;
    width:38px;height:38px;margin-left:auto;padding:8px;border:1px solid var(--line);
    border-radius:7px;background:var(--surface);cursor:pointer}
  .menu-toggle span{height:2px;width:100%;background:var(--text)}
  .nav .tema-toggle{margin-left:0}
}
@media(max-width:780px){
  .container{width:min(100% - 32px,1180px)}
  .hero{grid-template-columns:1fr;gap:43px;padding:55px 0 70px}
  .section{padding:72px 0}
  .section-heading,.use-case,.grid-feature,.channel-panel{grid-template-columns:1fr;gap:24px}
  .steps,.plans,.channel-cards{grid-template-columns:1fr}
  .verticals-grid,.panel-features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .vertical-card,.vertical-card:nth-child(3),.vertical-card:nth-child(4),
  .panel-features-grid .vertical-card,.panel-features-grid .vertical-card:first-child,
  .panel-features-grid .vertical-card:last-child{grid-column:span 1}
  .proof-items{justify-content:center}
  .proof-items b{display:none}
}
@media(max-width:600px){
  .nav .text-link{display:none}
  .nav.menu-open nav .mobile-login{display:block}
  .verticals-grid,.panel-features-grid{grid-template-columns:1fr}
  .hero h1{font-size:clamp(43px,10vw,58px)}
}
@media(max-width:400px){
  .nav .button-small{padding:8px 9px;font-size:12px}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:14px}
}
@media(max-width:360px){.nav .brand-name{display:none}.nav .brand{gap:0}}

/* Enlace para saltar al contenido: visible solo al enfocarlo con teclado. */
.skip-link{position:absolute;left:12px;top:-48px;z-index:1000;padding:10px 16px;border-radius:8px;background:#0b1d33;color:#fff;font-weight:600;text-decoration:none;transition:top .15s}
.skip-link:focus{top:12px}
@media(prefers-reduced-motion:reduce){.skip-link{transition:none}}

/* Contraste AA (auditoría automática): el número de paso usa un coral mezclado con la tinta del tema. */
.flow-step>span{color:color-mix(in srgb,var(--coral) 62%,var(--ink))}

/* Contraste AA medido con tools/a11y: acentos algo más profundos en el tema claro (el oscuro conserva los suyos). */
:root{--coral:#cc432d;--teal:#0a7d72;--muted:#4f6477}
.phone-t{background:#0b7266}
.phone-t *{color:#eaf7f5}
.chat-st{color:#0b7266}
.channel-tab.active{background:#127a4d}
.channel-tab.active[data-channel="whatsapp"]{background:#0d7347;border-color:#54e09b}
.channel-tab.active[data-channel="telegram"]{background:#17689b;border-color:#65c9f4}
.channel-tab.active[data-channel="web"]{background:#a94716;border-color:#ffae72}
.phone-top{background:#0b7266}
.phone-top small{color:#eaf7f5}
.chat-status{color:#0b7266}
.channel-plan-badge--paid{color:#a8321e}
.plan.featured .plan-name{color:#fff}
#demo .eyebrow,#demo p{color:#fff}
/* Cabecera, borde y estado del chat con el color de cada canal (texto claro con contraste AA). */
.channel-panel[data-channel="whatsapp"]{--canal-ink:#0d7347}
.channel-panel[data-channel="telegram"]{--canal-ink:#17689b}
.channel-panel[data-channel="web"]{--canal-ink:#a94716}
.channel-panel[data-channel] .phone-top{background:var(--canal-ink)}
.channel-panel[data-channel] .phone-top small{color:#eaf7f5}
.channel-panel[data-channel] .hero-demo{border-color:var(--canal-ink)}
.channel-panel[data-channel] .chat-status{color:var(--canal-ink)}
/* Una columna que no se estira con contenido ancho (el fragmento <script> del chat web desplazaba el teléfono). */
.channel-panel>*{min-width:0}
@media(max-width:900px){.channel-panel{grid-template-columns:minmax(0,1fr)}}

/* Tema oscuro: los acentos son claros, el texto de los botones rellenos debe ser oscuro. */
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .button:not(.button-outline):not(.light-button){color:#14110f}}
:root[data-theme="dark"] .button:not(.button-outline):not(.light-button){color:#14110f}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .flow-step>span{color:#ffb4a6}}
:root[data-theme="dark"] .flow-step>span{color:#ffb4a6}

/* Tema oscuro: sobre los acentos claros (verde azulado, coral) el texto va oscuro. */
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .plan.featured,:root:not([data-theme="light"]) .plan.featured *,
  :root:not([data-theme="light"]) .compare-featured,:root:not([data-theme="light"]) .compare-featured *,
  :root:not([data-theme="light"]) #demo .eyebrow,:root:not([data-theme="light"]) #demo h2,:root:not([data-theme="light"]) #demo p,
  :root:not([data-theme="light"]) .tag{color:#0d1b1a}
  :root:not([data-theme="light"]) .channel-plan-badge--paid{color:#ffb4a6}
}
:root[data-theme="dark"] .plan.featured,:root[data-theme="dark"] .plan.featured *,
:root[data-theme="dark"] .compare-featured,:root[data-theme="dark"] .compare-featured *,
:root[data-theme="dark"] #demo .eyebrow,:root[data-theme="dark"] #demo h2,:root[data-theme="dark"] #demo p,
:root[data-theme="dark"] .tag{color:#0d1b1a}
:root[data-theme="dark"] .channel-plan-badge--paid{color:#ffb4a6}

/* Lectura y controles cómodos, también para quien visita desde el teléfono. */
.button,.nav nav a,.use-case-tab,.channel-tab{min-height:44px}
.button{white-space:normal;text-align:center;border-radius:10px}
.steps article{padding:30px;border-radius:16px}
.steps article h3{font-size:22px;letter-spacing:-.025em}
.steps article p{font-size:16px;line-height:1.75}
.plan{padding:32px;border-radius:16px}
.plan.featured{border-radius:16px}
.plan-intro,.plan li{line-height:1.7}
.faq details{border-radius:12px}
.faq summary{padding-block:20px;line-height:1.5}
.faq p{font-size:16px;line-height:1.75}
.byok-toggle-text small{line-height:1.65}
@media(max-width:580px){.steps article,.plan{padding:24px}.button{min-height:48px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* El panel permite reconocer el producto antes de crear una cuenta. */
.hero{grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);gap:48px;padding:64px 0 70px}
.hero h1{font-size:clamp(44px,4.6vw,66px)}
.hero-text{font-size:18px;line-height:1.65}
.hero-actions{flex-wrap:wrap;gap:18px}.hero-actions .button{gap:18px}
.steps article:first-child>span{color:#ff9d8b}
.product-preview{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:0 26px 65px -30px color-mix(in srgb,var(--ink) 45%,transparent);transform:rotate(-1deg)}
.product-preview-bar{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line)}
.preview-brand{font-size:14px;font-weight:800}.preview-example{margin-left:auto;font-size:11px;color:var(--muted)}
.preview-avatar{display:grid;place-items:center;flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--surface-2);color:var(--text);font-size:10px;font-weight:750}
.product-preview-body{display:grid;grid-template-columns:125px minmax(0,1fr);min-height:340px}
.preview-sidebar{display:flex;flex-direction:column;gap:4px;padding:22px 10px;background:#102539;color:#b8c8d5;font-size:11px}
.preview-sidebar>span:first-child{font-size:10px;letter-spacing:.06em;margin:0 8px 12px}.preview-sidebar b{font-weight:500;padding:9px 8px;border-radius:5px}.preview-sidebar .selected{background:#203c50;color:#fff}.preview-sidebar-foot{margin:auto 8px 0;font-size:9px;color:#bfded8}
.preview-workspace{min-width:0;padding:22px 18px;background:var(--mist)}
.preview-heading{display:flex;align-items:start;gap:10px;margin-bottom:16px}.preview-heading>div{flex:1}.preview-heading small{font-size:9px;letter-spacing:.1em;color:var(--teal-deep);font-weight:750}
.preview-heading h2{font:700 19px/1.3 Inter,system-ui,sans-serif;margin:4px 0 0;color:var(--text);letter-spacing:-.02em}
.preview-pill{padding:5px 7px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--teal-deep);font-size:9px;white-space:nowrap}
.preview-conversation{padding:14px;border:1px solid var(--line);border-radius:9px;background:var(--surface)}
.preview-contact{display:flex;align-items:center;gap:9px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.preview-contact strong{display:block;font-size:12px}.preview-contact small{display:block;color:var(--muted);font-size:10px}
.preview-messages{display:flex;flex-direction:column;gap:10px;padding:14px 0}.preview-messages .bubble{max-width:94%;font-size:11px;line-height:1.6;margin:0;padding:9px 11px;border-radius:8px}
.preview-messages .client{align-self:flex-end}.preview-messages .agent{align-self:flex-start}
.preview-order{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:7px;padding:12px 10px;background:var(--surface-2)}
.preview-order>div{flex:1;min-width:0}.preview-order strong{display:block;font-size:11px}.preview-order small{display:block;color:var(--muted);font-size:10px}.preview-order-icon{color:var(--teal-deep);font-weight:800}
.preview-pill--review{white-space:normal;color:var(--text);font-size:9px}.preview-handoff{font-size:10px;line-height:1.6;color:var(--muted);margin:10px 0 0}
.product-preview-footer{display:flex;justify-content:space-between;gap:12px;padding:13px 18px;font-size:10px;color:var(--muted);border-top:1px solid var(--line)}
@media(max-width:1050px){.hero{gap:28px}.product-preview-body{grid-template-columns:100px minmax(0,1fr)}.preview-workspace{padding:18px 12px}.preview-heading{flex-wrap:wrap}.preview-heading>div{flex-basis:100%}}
@media(max-width:780px){.hero{grid-template-columns:1fr;padding:44px 0 54px;gap:30px}.product-preview{transform:none;max-width:620px;width:100%;margin-inline:auto}.preview-heading>div{flex-basis:auto}.section{padding:64px 0}.hero-trust{flex-wrap:wrap}}
@media(max-width:480px){.product-preview-body{grid-template-columns:1fr}.preview-sidebar{display:none}.preview-workspace{padding:18px}.preview-heading h2{font-size:21px}.preview-messages .bubble{font-size:12px}.preview-conversation{padding:12px}.hero-text{font-size:17px}.product-preview-footer{flex-wrap:wrap;gap:6px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .text-link{text-align:center}.hero-trust{font-size:12px}}

/* Pie de página con contacto, producto y legal. */
.site-footer{display:block;padding:44px 0 30px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1.25fr 1.1fr;gap:34px}
.footer-brand p{max-width:300px;margin:14px 0 0;color:var(--muted);font-size:14px;line-height:1.55}
.footer-col h2{margin:0 0 14px;color:var(--text);font-size:13px;font-weight:800;letter-spacing:.6px;text-transform:uppercase}
.footer-col ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.footer-col li{font-size:14px;line-height:1.45;overflow-wrap:anywhere}
.footer-col a,.footer-col .cookies-enlace{color:var(--text);text-decoration:none;font-weight:600}
.footer-col a:hover,.footer-col .cookies-enlace:hover{color:var(--teal-deep);text-decoration:underline}
.footer-col a:focus-visible,.footer-col .cookies-enlace:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:3px}
.footer-col .footer-note{color:var(--muted);font-size:13px}
.footer-col .cookies-enlace{font-size:14px;text-decoration:none}
.site-footer .footer-legal{margin:34px 0 0;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;line-height:1.55}
@media(max-width:960px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;gap:26px}.site-footer{padding-top:34px}
  .footer-col a,.footer-col .cookies-enlace{display:inline-block;padding:4px 0}}