/* Partner — estructura inspirada en uber.com: negro y blanco, como el logo */
:root{--bg:#fff;--surface:#fff;--muted-bg:#f3f3f3;--ink:#000;--text:#3b3b3b;--soft:#6b6b6b;--line:#e2e2e2;--btn:#000;--btn-ink:#fff;--chip:#eee}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d0d0d;--surface:#161616;--muted-bg:#1b1b1b;--ink:#fff;--text:#d6d6d6;--soft:#a0a0a0;--line:#2c2c2c;--btn:#fff;--btn-ink:#000;--chip:#262626}}
:root[data-theme="dark"]{--bg:#0d0d0d;--surface:#161616;--muted-bg:#1b1b1b;--ink:#fff;--text:#d6d6d6;--soft:#a0a0a0;--line:#2c2c2c;--btn:#fff;--btn-ink:#000;--chip:#262626}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit}img,svg{max-width:100%}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.narrow{max-width:820px}.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.ico{width:28px;height:28px;flex:none}

/* Encabezado */
.site-header{position:sticky;top:0;z-index:20;background:#000;color:#fff}
.site-header .wrap{display:flex;align-items:center;gap:28px;min-height:64px}
.logo img{display:block;height:36px;width:auto}
.menu{display:flex;align-items:center;justify-content:space-between;gap:24px;flex:1}
.nav,.nav-actions{display:flex;align-items:center;gap:4px}
.nav a,.nav summary,.nav-actions>a:not(.btn){color:#fff;text-decoration:none;font-size:14px;font-weight:500;padding:8px 12px;border-radius:999px;cursor:pointer}
.nav a:hover,.nav summary:hover,.nav-actions>a:not(.btn):hover,.nav [aria-current]{background:#282828}
.dropdown{position:relative}.dropdown summary{list-style:none;display:flex;align-items:center;gap:6px}
.dropdown summary::-webkit-details-marker{display:none}
.dropdown summary::after{content:"";width:7px;height:7px;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-2px)}
.dropdown[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.dropdown-panel{position:absolute;top:calc(100% + 10px);left:0;background:#fff;color:#000;border-radius:12px;padding:8px;min-width:280px;box-shadow:0 12px 32px rgba(0,0,0,.25)}
.dropdown-panel a{display:block;color:#000!important;padding:10px 12px;border-radius:8px}
.dropdown-panel a:hover,.dropdown-panel a[aria-current]{background:#f1f1f1!important}
.dropdown-panel strong{display:block;font-size:15px}.dropdown-panel small{color:#6b6b6b;font-weight:400}
.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:0;border-radius:999px;background:transparent;cursor:pointer;position:relative}
.menu-toggle span:first-child,.menu-toggle span:first-child::before,.menu-toggle span:first-child::after{position:absolute;left:12px;width:20px;height:2px;background:#fff;content:"";transition:transform .2s}
.menu-toggle span:first-child{top:21px}.menu-toggle span:first-child::before{left:0;top:-6px}.menu-toggle span:first-child::after{left:0;top:6px}
.menu-toggle[aria-expanded="true"] span:first-child{background:transparent}
.menu-toggle[aria-expanded="true"] span:first-child::before{transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:first-child::after{transform:translateY(-6px) rotate(-45deg)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:10px;background:var(--btn);color:var(--btn-ink);font-weight:600;font-size:16px;text-decoration:none;transition:opacity .2s}
.btn:hover{opacity:.85}
.btn--light{background:#fff;color:#000}.btn--sm{padding:9px 16px;font-size:14px;border-radius:999px}
.link-arrow{font-weight:600;color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:28px}

/* Hero */
.hero{padding:72px 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(36px,5.2vw,56px);font-weight:700;letter-spacing:-.01em}
.eyebrow{margin:0 0 12px;font-weight:600;color:var(--soft)}
.lead{font-size:18px;margin:20px 0 0;max-width:560px}
.hero--compact{background:#000;color:#fff;padding:64px 0}
.hero--compact h1{color:#fff}.hero--compact .eyebrow{color:#bdbdbd}

/* Franja de marca "Conectando vidas" (portada) */
.brand-banner{background:#f4f2f3;line-height:0}
.brand-banner img{display:block;width:100%;height:auto;max-height:620px;object-fit:cover;object-position:center}
@media (max-width:640px){.brand-banner img{height:240px;max-height:none}}

/* Selector de la portada */
.picker{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 20px 50px -30px rgba(0,0,0,.35)}
.picker-title{margin:0 0 12px;font-weight:600;color:var(--ink);font-size:20px}
.picker-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:10px;background:var(--chip);color:var(--ink);text-decoration:none;font-weight:500;margin-top:10px;transition:transform .15s}
.picker-item:hover{transform:translateX(4px)}
.picker-item::after{content:"→";margin-left:auto}

/* Panel visual (sustituye a las fotos) */
.media{position:relative;aspect-ratio:4/3;border-radius:16px;background:#000;overflow:hidden;display:grid;grid-template:minmax(0,1fr)/minmax(0,1fr);place-items:center}
.media::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,#3a3a3a,transparent 60%)}
.media-logo{position:relative;width:38%;height:auto;opacity:.95}
.media-chip{position:absolute;left:20px;bottom:20px;display:flex;align-items:center;gap:12px;background:#fff;color:#000;padding:12px 16px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.media-chip strong{display:block;font-size:15px;line-height:1.2}.media-chip small{color:#6b6b6b;font-size:13px}

/* Secciones */
.section{padding:80px 0}
.section--muted{background:var(--muted-bg)}
.section--band{background:#000;color:#fff}.section--band h2,.section--band h3{color:#fff}
.section h2{font-size:clamp(28px,3.6vw,40px);font-weight:700;margin-bottom:12px}
.section-lead{max-width:640px;margin:0 0 8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split--reverse>div:first-child{order:2}
.split p{font-size:17px;max-width:520px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px;margin-top:36px}
.feature .ico{width:40px;height:40px;color:var(--ink)}
.feature h3{font-size:19px;margin:16px 0 6px}.feature p{margin:0}
.feature{scroll-margin-top:90px}
.steps{list-style:none;counter-reset:s;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.steps li{counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--btn);color:var(--btn-ink);font-weight:700;margin-bottom:16px}
.steps h3{font-size:19px;margin-bottom:6px}.steps p{margin:0}

/* Preguntas frecuentes */
.faq{border-top:1px solid var(--line);margin-top:24px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-weight:600;font-size:18px;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:8px;top:18px;font-size:26px;font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details div{padding:0 0 22px}.faq p{margin:0}
.faq a,.section p a,.page a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.section[id]{scroll-margin-top:64px}

/* Ayuda */
.help-topics{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:32px}
.help-topics a{display:flex;align-items:center;gap:12px;background:#fff;color:#000;text-decoration:none;padding:18px;border-radius:12px;font-weight:600}
.help-topics a:hover{background:#e9e9e9}
.center .ico{width:44px;height:44px;color:var(--ink);margin-bottom:12px}

/* App */
.app-cards{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;margin-top:28px;align-items:center}
.app-card{display:flex;align-items:center;gap:20px;border:1px solid #333;border-radius:16px;padding:24px}
.app-card img{width:72px;height:72px;flex:none}.app-card p{margin:6px 0 0;color:#bdbdbd}
.stores{display:flex;flex-wrap:wrap;gap:12px}
.store{display:flex;align-items:center;gap:12px;padding:12px 20px;border-radius:12px;background:#fff;color:#000;text-decoration:none;min-width:190px;transition:opacity .2s}
.store:hover{opacity:.85}.store .icon{width:28px;height:28px;fill:currentColor}
.store small{display:block;font-size:12px;opacity:.7}.store strong{font-size:17px;line-height:1.2}
.site-footer .store{background:#1f1f1f;color:#fff;min-width:0;width:100%}

/* Páginas de texto (política de privacidad) */
.page{padding:64px 0 96px}.page .wrap{max-width:820px}
.page h1{font-size:clamp(32px,5vw,48px);margin:0 0 16px}
.page h2{margin:2.2em 0 .5em;font-size:22px;scroll-margin-top:84px}.page h3{font-size:18px;margin:1.6em 0 .4em}
.page strong,.page b{color:var(--ink)}
.toc{background:var(--muted-bg);border-radius:16px;padding:20px 24px;margin:28px 0}
.toc-title{margin:0 0 8px;font-weight:600;color:var(--ink)}.toc ol{margin:0;padding-left:0;list-style:none;columns:2;column-gap:32px}
.toc li{break-inside:avoid;margin:4px 0}.page .toc a{text-decoration:none}

/* Pie */
.site-footer{background:#000;color:#fff;padding:64px 0 32px}
.footer-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.site-footer .logo img{height:44px}
.footer-help{font-size:15px;text-decoration:underline;text-underline-offset:4px}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin:48px 0}
.footer-cols h2{font-size:17px;color:#fff;margin-bottom:16px}
.footer-cols ul{list-style:none;margin:0;padding:0}.footer-cols li{margin:10px 0}
.footer-cols a{color:#d0d0d0;text-decoration:none;font-size:15px}.footer-cols a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#a8a8a8;border-top:1px solid #262626;padding-top:24px}
.footer-legal{display:flex;gap:20px}.footer-legal a{color:#d0d0d0}

/* Responsivo */
@media (max-width:980px){
  .menu-toggle{display:block}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;background:#000;flex-direction:column;align-items:stretch;padding:8px 16px 24px;border-top:1px solid #222}
  .menu.is-open{display:flex}
  .nav,.nav-actions{flex-direction:column;align-items:stretch}
  .nav a,.nav summary,.nav-actions>a:not(.btn){font-size:18px;padding:14px 8px;border-radius:8px}
  .dropdown-panel{position:static;box-shadow:none;background:#141414;margin:4px 0}
  .dropdown-panel a{color:#fff!important}.dropdown-panel a:hover,.dropdown-panel a[aria-current]{background:#262626!important}
  .dropdown-panel small{color:#a8a8a8}
  .nav-actions .btn{margin-top:12px;padding:14px}
  .hero-grid,.split,.app-cards{grid-template-columns:1fr;gap:40px}
  .split--reverse>div:first-child{order:0}
  .footer-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .hero,.section{padding:56px 0}
  .footer-cols,.toc ol{grid-template-columns:1fr;columns:1}
  .store{min-width:0;flex:1}
}