/* Sin fuentes externas ni scripts: solo fuentes del sistema (ningún tercero recibe visitas). */
:root{--navy:#0f2441;--navy-600:#445168;--navy-400:#5f6d84;--line:#e3e8ef;--bg:#f4f6f9;--sky:#c9dbf6;--amber-bg:#fff4d6;--amber:#7a5a00;--max:46rem}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--navy);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--navy);text-underline-offset:3px}
a:focus-visible{outline:2px solid var(--navy);outline-offset:3px}
.tricolor{height:4px;background:linear-gradient(90deg,#d64541 0 33.3%,#2b6cb0 33.3% 66.6%,#2f9e55 66.6%)}
.top{background:#fff;border-bottom:1px solid var(--line)}
.top-in{max-width:var(--max);margin:auto;padding:14px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{font-weight:800;font-size:22px;letter-spacing:.08em;text-decoration:none;margin-right:auto}
.brand small{font-weight:500;font-size:12px;letter-spacing:0;color:var(--navy-400);margin-left:6px}
.top nav{display:flex;gap:16px;font-size:15px;font-weight:600}
.top nav a{text-decoration:none;color:var(--navy-600)}
.top nav a[aria-current]{color:var(--navy);text-decoration:underline}
.lang{font-size:14px;border:1px solid var(--line);border-radius:20px;padding:3px 10px}
.hero{background:var(--navy);color:#fff}
.hero-in{max-width:var(--max);margin:auto;padding:48px 16px 40px}
.hero h1{font-size:clamp(34px,7vw,52px);line-height:1.05;margin:0 0 14px;letter-spacing:.02em}
.hero p{color:var(--sky);font-size:19px;margin:0 0 18px;max-width:36rem}
.status{display:inline-block;border:1px solid rgba(201,219,246,.45);border-radius:20px;padding:5px 12px;font-size:14px;color:#fff}
main{max-width:var(--max);margin:auto;padding:32px 16px 48px}
main h1{font-size:clamp(28px,6vw,38px);line-height:1.15;margin:0 0 6px}
h2{font-size:22px;margin:36px 0 10px;line-height:1.25}
h2:first-child{margin-top:0}
.updated{color:var(--navy-400);font-size:15px;margin:0 0 24px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:20px 0}
.card h2{margin-top:0}
.note{background:#eaf0f8;border-left:4px solid var(--navy);border-radius:6px;padding:14px 16px}
ul{padding-left:1.2em}li{margin:4px 0}
.dato{background:var(--amber-bg);color:var(--amber);border-radius:4px;padding:0 4px;font-weight:600}
footer{background:#fff;border-top:1px solid var(--line);font-size:14px;color:var(--navy-600)}
.foot-in{max-width:var(--max);margin:auto;padding:24px 16px 32px}
footer p{margin:0 0 6px}
footer strong{color:var(--navy)}
@media print{.top nav,.lang{display:none}body{background:#fff}}

/* ---------- Presentación ampliada ---------- */
.wide{max-width:72rem;margin:auto;padding:0 16px}
.top-in.wide{max-width:72rem;padding:14px 16px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center;padding:56px 16px 64px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--navy-400);margin:0 0 10px}
.hero .eyebrow{color:#9fc0f0}
.hero h1.claim{font-size:clamp(32px,5.4vw,54px);line-height:1.08;letter-spacing:0;margin:0 0 18px}
.hero h1.claim span{color:#9fc0f0}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;padding:12px 18px;border-radius:8px;font-weight:700;text-decoration:none;font-size:16px}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost{border:1px solid rgba(201,219,246,.5);color:#fff}
.section{padding:56px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section h2{font-size:clamp(26px,4vw,34px);margin:0 0 8px}
.lead{color:var(--navy-600);max-width:40rem;margin:0 0 28px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step,.feature{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.section.alt .step,.section.alt .feature{background:var(--bg)}
.step b.n{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;margin-bottom:12px}
.step h3,.feature h3{font-size:18px;margin:0 0 6px;line-height:1.3}
.step p,.feature p{margin:0;color:var(--navy-600);font-size:16px}
.feature .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--navy-400);margin-bottom:8px}
.feature.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.feature.dark p{color:var(--sky)}.feature.dark .tag{color:#9fc0f0}
/* Maqueta: tarjetas con datos ficticios */
.mock{background:#fff;color:var(--navy);border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.25);overflow:hidden;font-size:15px}
.section .mock{box-shadow:0 10px 30px rgba(15,36,65,.08);border:1px solid var(--line)}
.mock-label{background:var(--amber-bg);color:var(--amber);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:6px 16px}
.mock-body{padding:18px 20px 20px}
.mock h3{font-size:20px;margin:0}
.attr{font-size:13px;color:var(--navy-400);margin:2px 0 14px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:14px}
.metrics div{padding:10px 10px 10px 0}
.metrics div+div{border-left:1px solid var(--line);padding-left:10px}
.metrics span{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--navy-400)}
.metrics b{font-size:20px}
.metrics small{display:block;font-size:13px;color:var(--navy-600)}
.ai{background:var(--bg);border-radius:8px;padding:12px 14px;margin:0 0 14px;color:var(--navy-600)}
.ai strong{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--navy-400);margin-bottom:4px}
.today{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.today div{flex:1}.today small{display:block;color:var(--navy-400);font-size:13px}
.sent{font-size:12px;font-weight:700;color:#227a3b;white-space:nowrap}
.sport{display:block;width:6px;align-self:stretch;min-height:28px;border-radius:3px;background:#2f9e55}
.sport.swim{background:#2b6cb0}.sport.bike{background:#d64541}.sport.rest{background:var(--line)}
.week{list-style:none;padding:0;margin:0}
.week li{display:flex;gap:12px;align-items:center;padding:9px 0;border-top:1px solid var(--line);margin:0}
.week li:first-child{border-top:0}
.week .d{width:34px;font-size:13px;font-weight:700;color:var(--navy-400);text-transform:uppercase}
.week .w{flex:1}.week .w small{display:block;color:var(--navy-400);font-size:13px}
.week .now{background:var(--bg);border-radius:6px;padding-left:6px;padding-right:6px}
.steps{list-style:none;padding:0;margin:0 0 14px;counter-reset:s}
.steps li{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:9px 0 9px 14px;border-left:4px solid var(--line);margin:0 0 6px}
.steps li.z2{border-color:#2f9e55}.steps li.z4{border-color:#d64541}.steps li.z1{border-color:#9fc0f0}
.steps li small{grid-column:1/-1;color:var(--navy-400);font-size:13px}
.steps li b{font-weight:600}
.steps li span{font-variant-numeric:tabular-nums;color:var(--navy-600)}
.chat{display:grid;gap:10px;margin-bottom:12px}
.bubble{border-radius:12px;padding:10px 14px;max-width:88%}
.bubble.me{justify-self:end;background:var(--navy);color:#fff;border-bottom-right-radius:4px}
.bubble.bot{background:var(--bg);color:var(--navy);border-bottom-left-radius:4px}
.confirm{display:flex;gap:8px;flex-wrap:wrap}
.confirm span{border:1px solid var(--line);border-radius:6px;padding:6px 10px;font-size:14px;font-weight:600}
.confirm span:first-child{background:var(--navy);color:#fff;border-color:var(--navy)}
/* Tabla de datos */
.data-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:16px}
.data-table th{text-align:left;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--navy-400);background:var(--bg);padding:12px 16px}
.data-table td{padding:14px 16px;border-top:1px solid var(--line);vertical-align:top}
.data-table td:first-child{font-weight:700;width:30%}
.api{display:inline-block;font-size:12px;font-weight:700;background:#eaf0f8;border-radius:10px;padding:2px 8px;white-space:nowrap}
.principle{border-left:4px solid var(--navy);padding:4px 0 4px 16px}
.principle h3{font-size:18px;margin:0 0 4px}
.principle p{margin:0;color:var(--navy-600)}
.info h2{font-size:20px;margin:0 0 6px}.info p{margin:0;color:var(--navy-600)}
@media(max-width:900px){
 .hero-grid{grid-template-columns:1fr;gap:36px;padding:40px 16px 48px}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-3{grid-template-columns:1fr}
}
@media(max-width:620px){
 .grid-4,.grid-2{grid-template-columns:1fr}
 .section{padding:40px 0}
 .top nav{gap:12px;font-size:14px}
 .top nav .opt{display:none}
 .data-table thead{display:none}
 .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%}
 .data-table tr{border-top:1px solid var(--line);padding:6px 0}
 .data-table td{border:0;padding:6px 16px}
 .data-table td:first-child{width:100%}
 .metrics b{font-size:17px}
}
.hero .mock p{font-size:15px;margin:0 0 14px;max-width:none}
.hero .mock .attr{color:var(--navy-400);margin:2px 0 14px}
.hero .mock .ai{color:var(--navy-600)}
.section.alt .feature.dark{background:var(--navy)}
@media(max-width:620px){.brand small{display:none}.top-in{flex-wrap:nowrap}}