/* ===== Osiweb — estilos compartidos de páginas de servicio ===== */
:root{
  --bg:#0a0b0d; --bg-2:#0e1013; --surface:#141619; --surface-2:#1a1d22;
  --border:rgba(255,255,255,.13); --border-strong:rgba(255,255,255,.26);
  --text:#f3f4f6; --text-soft:#a7abb4; --text-faint:#868b93;
  --accent:#ff5c35; --accent-ink:#ff6f4d; --accent-soft:rgba(255,92,53,.13); --accent-line:rgba(255,92,53,.35);
  --live:#33d17f; --shadow:0 6px 20px -14px rgba(0,0,0,.55);
  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-body:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;
  --maxw:1080px; --radius:6px; --ease:cubic-bezier(.22,.61,.36,1);
}
[data-theme="light"]{
  --bg:#e4dfd2; --bg-2:#dbd5c7; --surface:#efe9dd; --surface-2:#e0dacd;
  --border:rgba(22,20,16,.15); --border-strong:rgba(22,20,16,.3);
  --text:#17161a; --text-soft:#585760; --text-faint:#6b6a73;
  --accent:#ff5c35; --accent-ink:#dc4318; --accent-soft:rgba(255,92,53,.1); --accent-line:rgba(255,92,53,.3);
  --live:#12a45d; --shadow:0 6px 18px -14px rgba(30,25,20,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; overflow-x:clip}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }
body{margin:0; background:var(--bg); color:var(--text); font-family:var(--font-body); font-size:16px; line-height:1.62; -webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px,4vw,40px)}
a{color:inherit}
img{max-width:100%; display:block}
h1,h2,h3{font-family:var(--font-display); letter-spacing:-.02em; line-height:1.1; margin:0}

/* ---- Nav ---- */
header.nav{position:sticky; top:0; z-index:60; background:color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter:blur(12px); border-bottom:1px solid var(--border)}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:66px}
.brand{display:inline-flex; align-items:center; gap:12px; text-decoration:none; color:var(--text)}
.brand .mk{width:34px; height:34px; border-radius:10px; background:var(--accent); display:grid; place-items:center; flex:none}
.brand .mk::before{content:'Ö'; font-family:var(--font-display); font-weight:700; font-size:21px; color:#0a0b0d; line-height:1}
.brand-stack{display:flex; flex-direction:column; font-family:var(--font-display); font-weight:700; font-size:.72rem; line-height:.98; letter-spacing:.02em; text-transform:uppercase}
.nav-links{display:flex; align-items:center; gap:6px}
.nav-links a{color:var(--text-soft); font-weight:500; font-size:.92rem; padding:8px 13px; border-radius:9px; text-decoration:none; transition:.16s}
.nav-links a:hover{color:var(--text); background:var(--surface)}
.nav-right{display:flex; align-items:center; gap:10px}
.icon-btn{width:40px; height:40px; border-radius:11px; border:1px solid var(--border); background:transparent; color:var(--text); display:grid; place-items:center; cursor:pointer; transition:.16s}
.icon-btn:hover{border-color:var(--border-strong); background:var(--surface)}
.icon-btn svg{width:19px; height:19px}
.theme-toggle .moon{display:none}
[data-theme="light"] .theme-toggle .sun{display:none}
[data-theme="light"] .theme-toggle .moon{display:block}
.menu-btn{display:none}

/* ---- Botones ---- */
.btn{display:inline-flex; align-items:center; gap:9px; font-weight:600; font-size:.95rem; padding:12px 20px; border-radius:var(--radius); text-decoration:none; cursor:pointer; border:1px solid transparent; transition:transform .16s var(--ease), background .16s}
.btn svg{width:18px; height:18px}
.btn-primary{background:var(--accent); color:#fff}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border-color:var(--border-strong); color:var(--text)}
.btn-ghost:hover{background:var(--surface)}
.btn-wa{background:#25D366; color:#fff}
.btn-wa:hover{transform:translateY(-2px)}

/* ---- Estructura ---- */
.section{padding:clamp(48px,8vw,88px) 0}
.eyebrow{display:inline-flex; align-items:center; gap:9px; font-family:var(--font-mono); font-size:.76rem; font-weight:500; color:var(--accent-ink); background:var(--accent-soft); border:1px solid var(--accent-line); padding:7px 14px; border-radius:100px}
.eyebrow i{width:7px; height:7px; border-radius:50%; background:var(--live)}
.hero-page{padding:clamp(40px,7vw,80px) 0 clamp(30px,5vw,54px); position:relative; overflow:hidden}
.hero-page::before{content:''; position:absolute; inset:0; z-index:0; pointer-events:none; background:radial-gradient(680px 380px at 80% -10%, var(--accent-soft), transparent 62%)}
.hero-page .wrap{position:relative; z-index:1}
.hero-page h1{font-size:clamp(2.1rem,5.5vw,3.6rem); margin:20px 0 0; max-width:16ch}
.hero-page h1 .hl{color:var(--accent); font-style:italic; font-weight:500}
.lead{color:var(--text-soft); font-size:clamp(1.05rem,2.2vw,1.28rem); max-width:60ch; margin:18px 0 0}
.hero-cta{display:flex; flex-wrap:wrap; gap:13px; margin-top:30px}
.trust-line{display:flex; flex-wrap:wrap; gap:10px 26px; margin-top:26px; font-family:var(--font-mono); font-size:.84rem; color:var(--text-soft)}
.trust-line span{display:inline-flex; align-items:center; gap:8px}
.trust-line i{width:5px; height:5px; border-radius:50%; background:var(--accent)}

.sec-head{max-width:640px; margin-bottom:clamp(28px,4vw,44px)}
.sec-head.center{margin-left:auto; margin-right:auto; text-align:center}
.sec-index{font-family:var(--font-mono); font-size:.78rem; color:var(--accent-ink); margin-bottom:12px}
.sec-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
.sec-head p{color:var(--text-soft); font-size:1.06rem; margin:12px 0 0}

/* prosa */
.prose p{color:var(--text-soft); font-size:1.06rem; margin:0 0 18px}
.prose strong{color:var(--text); font-weight:600}

/* grillas de features/beneficios */
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:18px}
.card{background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:26px}
.card .ic{width:44px; height:44px; border-radius:11px; background:var(--accent-soft); border:1px solid var(--accent-line); color:var(--accent-ink); display:grid; place-items:center; margin-bottom:16px}
.card .ic svg{width:22px; height:22px}
.card h3{font-size:1.15rem; margin-bottom:8px}
.card p{color:var(--text-soft); font-size:.96rem; margin:0}
.section.alt{background:var(--bg-2)}

/* lista con checks */
.checks{list-style:none; margin:0; padding:0; display:grid; gap:12px}
.checks li{display:flex; align-items:flex-start; gap:12px; color:var(--text); font-size:1.02rem}
.checks li svg{flex:none; width:21px; height:21px; color:var(--accent-ink); margin-top:2px}

/* demos */
.demo-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px}
.demo{background:var(--surface); border:1px solid var(--border); border-radius:12px; overflow:hidden; text-decoration:none; color:var(--text); display:flex; flex-direction:column; transition:transform .18s var(--ease), border-color .18s}
.demo:hover{transform:translateY(-3px); border-color:var(--accent-line)}
.demo img{width:100%; aspect-ratio:16/10; object-fit:cover; object-position:top; border-bottom:1px solid var(--border)}
.demo .db{padding:20px}
.demo .badge{display:inline-flex; align-items:center; gap:7px; font-family:var(--font-mono); font-size:.7rem; color:var(--accent-ink); margin-bottom:8px}
.demo .badge i{width:6px; height:6px; border-radius:50%; background:var(--live)}
.demo h3{font-size:1.12rem; margin-bottom:6px}
.demo p{color:var(--text-soft); font-size:.92rem; margin:0 0 12px}
.demo .visit{font-family:var(--font-mono); font-size:.82rem; color:var(--accent-ink); display:inline-flex; align-items:center; gap:6px}

/* FAQ */
.faq details{border:1px solid var(--border); border-radius:10px; padding:4px 18px; margin-bottom:10px; background:var(--surface)}
.faq summary{cursor:pointer; list-style:none; padding:16px 0; font-weight:600; font-size:1.02rem; display:flex; justify-content:space-between; gap:16px; align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{width:22px; height:22px; flex:none; transition:transform .2s}
.faq details[open] summary .chev{transform:rotate(45deg)}
.faq .a{color:var(--text-soft); padding:0 0 18px; font-size:.98rem}

/* CTA band */
.cta-band{position:relative; overflow:hidden; border:1px solid var(--accent-line); border-radius:14px; padding:clamp(34px,5vw,60px); background:linear-gradient(150deg, var(--accent-soft), transparent 58%), var(--surface); text-align:center}
.cta-band h2{font-size:clamp(1.7rem,4vw,2.6rem); margin-bottom:14px}
.cta-band p{color:var(--text-soft); font-size:1.1rem; margin:0 auto 26px; max-width:52ch}
.cta-actions{display:flex; flex-wrap:wrap; gap:13px; justify-content:center}

/* Footer */
footer{border-top:1px solid var(--border); padding:48px 0 34px; margin-top:clamp(56px,8vw,90px); content-visibility:auto; contain-intrinsic-size:auto 320px}
.foot-top{display:flex; flex-wrap:wrap; justify-content:space-between; gap:28px; margin-bottom:34px}
.foot-brand{max-width:320px}
.foot-brand .brand{margin-bottom:12px}
.foot-brand p{color:var(--text-soft); font-size:.92rem; margin:0}
.foot-links{display:flex; gap:56px; flex-wrap:wrap}
.foot-col h3{font-family:var(--font-mono); font-size:.74rem; color:var(--text-faint); font-weight:500; margin:0 0 14px; text-transform:uppercase; letter-spacing:.06em}
.foot-col a{display:block; color:var(--text-soft); font-size:.92rem; padding:5px 0; text-decoration:none; transition:.15s}
.foot-col a:hover{color:var(--accent-ink)}
.foot-bottom{display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; padding-top:24px; border-top:1px solid var(--border); font-family:var(--font-mono); font-size:.8rem; color:var(--text-faint)}

/* WhatsApp flotante */
.wa-float{--glow:37,211,102; position:fixed; right:22px; bottom:22px; z-index:95; display:inline-flex; align-items:center; height:56px; border-radius:100px; background:#25D366; color:#fff; box-shadow:0 12px 30px rgba(0,0,0,.28), 0 0 18px -2px rgba(var(--glow),.6); overflow:hidden; text-decoration:none; opacity:0; transform:translateY(20px) scale(.92); pointer-events:none; transition:opacity .3s var(--ease), transform .3s var(--ease)}
.wa-float.show{opacity:1; transform:none; pointer-events:auto; animation:waGlow 2.8s var(--ease) infinite}
.wa-float .ic{width:56px; height:56px; display:grid; place-items:center; flex:none}
.wa-float svg{width:28px; height:28px}
.wa-float-label{max-width:0; overflow:hidden; white-space:nowrap; font-weight:600; font-size:.95rem; transition:max-width .3s var(--ease), padding-right .3s var(--ease)}
.wa-float:hover .wa-float-label{max-width:130px; padding-right:20px}
@keyframes waGlow{0%,100%{box-shadow:0 12px 30px rgba(0,0,0,.28), 0 0 14px -2px rgba(var(--glow),.45)} 50%{box-shadow:0 12px 30px rgba(0,0,0,.28), 0 0 32px 1px rgba(var(--glow),.9)}}

/* View Transition (cambio de tema, revelado circular) */
::view-transition-old(root), ::view-transition-new(root){ animation:none; mix-blend-mode:normal }
::view-transition-old(root){ z-index:0 }
::view-transition-new(root){ z-index:1 }
@media (prefers-reduced-motion:reduce){ ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*){ animation:none !important } }

/* Reveal */
.reveal{opacity:0; transform:translateY(20px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1; transform:none}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1; transform:none; transition:none} .wa-float,.wa-float.show{animation:none; transition:none} }

/* Responsive */
@media (max-width:760px){
  .nav-links{display:none; position:absolute; top:66px; left:0; right:0; flex-direction:column; align-items:stretch; gap:2px; background:var(--bg); border-bottom:1px solid var(--border); padding:14px 24px 20px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px; font-size:1rem}
  .menu-btn{display:grid}
  .wa-float{right:16px; bottom:16px; height:52px}
  .wa-float .ic{width:52px; height:52px}
}