:root{
  --navy:#0d2b73; --navy2:#173d92; --ink:#172033; --muted:#667085;
  --soft:#f5f7fb; --line:#e5e7eb; --accent:#8a5574; --green:#16795f;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{text-decoration:none;color:inherit}.wrap{width:min(1180px,92vw);margin:auto}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.navin{height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand img{width:54px;height:54px;object-fit:contain}.brand strong{font-size:20px;color:var(--navy)}.brand small{display:block;color:var(--muted)}
.navlinks{display:flex;gap:22px;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:10px;font-weight:700;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy2)}
.btn-outline{border-color:#cfd5e1;background:#fff}.btn-light{background:#fff;color:var(--navy)}
.hero{background:linear-gradient(125deg,#eef2fa 0%,#fff 55%,#f7f2f5 100%);padding:72px 0 54px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}
.kicker{font-weight:800;color:var(--accent);letter-spacing:.11em;text-transform:uppercase;font-size:13px}
h1{font-size:56px;line-height:1.03;margin:14px 0 18px;color:var(--navy);letter-spacing:-.04em}
.hero p{font-size:20px;color:#4a5568;max-width:720px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.demo-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.demo-card{padding:18px;border:1px solid var(--line);background:#fff;border-radius:14px;box-shadow:0 12px 30px rgba(18,35,75,.06)}
.demo-card h3{margin:0 0 7px;font-size:17px}.demo-card p{font-size:14px;margin:0 0 12px}.credentials{font-size:13px;background:#f7f8fb;padding:10px;border-radius:8px;margin-bottom:12px}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 24px 55px rgba(17,35,75,.12)}
.hero-visual img{width:100%;display:block;border-radius:14px}
.logo-card{display:flex;justify-content:center;margin-bottom:16px}.logo-card img{max-height:210px;max-width:80%;object-fit:contain}
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;background:#fff}
.trust-row{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;text-align:center;font-weight:700;color:#4b5563;font-size:13px}
section{padding:78px 0}.soft{background:var(--soft)}
.section-head{max-width:780px;margin-bottom:36px}.section-head h2{font-size:38px;line-height:1.12;margin:8px 0 12px;color:var(--navy);letter-spacing:-.025em}
.section-head p{font-size:18px;color:var(--muted)}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.flow .step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;font-weight:700}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin:55px 0}
.feature.reverse .copy{order:2}.feature.reverse .shot{order:1}
.copy h3{font-size:30px;color:var(--navy);margin:0 0 12px}.copy p{font-size:17px;color:var(--muted)}
.checks{padding:0;margin:18px 0 0;list-style:none}.checks li{margin:9px 0;padding-left:27px;position:relative}.checks li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
.shot{background:#fff;border:1px solid var(--line);border-radius:18px;padding:11px;box-shadow:0 18px 40px rgba(15,30,60,.08)}
.shot img{width:100%;display:block;border-radius:10px}
.two-worlds{display:grid;grid-template-columns:1fr 1fr;gap:22px}.world{border-radius:20px;padding:28px;border:1px solid var(--line);background:#fff}
.world h3{color:var(--navy);font-size:25px;margin:0 0 10px}.world .tag{display:inline-block;font-size:12px;font-weight:800;padding:6px 10px;border-radius:999px;background:#eef3ff;color:var(--navy)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.card{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fff}.card strong{display:block;color:var(--navy);font-size:17px;margin-bottom:5px}.card span{font-size:14px;color:var(--muted)}
.cta{padding:66px 0;background:linear-gradient(130deg,var(--navy),#244ca3);color:#fff}.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta h2{font-size:40px;margin:0 0 12px}.cta p{font-size:18px;color:#dfe7ff}.cta .panel{background:#fff;color:var(--ink);border-radius:18px;padding:24px}
.footer{padding:36px 0;background:#0b1636;color:#cbd5e1}.footer-grid{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer strong{color:#fff}
.note{font-size:12px;color:#98a2b3;margin-top:10px}
@media(max-width:900px){
 .navlinks{display:none}.hero-grid,.feature,.cta-grid,.two-worlds{grid-template-columns:1fr}.feature.reverse .copy,.feature.reverse .shot{order:initial}
 h1{font-size:43px}.demo-strip{grid-template-columns:1fr}.trust-row{grid-template-columns:repeat(3,1fr)}
 .flow{grid-template-columns:1fr 1fr}.cards{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.cards,.flow,.trust-row{grid-template-columns:1fr}.hero{padding-top:45px}.footer-grid{display:block}}

/* AlterStay V2 additions */
.info-map{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.info-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.info-box h3{margin:0 0 10px;color:var(--navy);font-size:22px}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.info-pill{border:1px solid #dfe4ee;border-radius:12px;padding:11px 8px;text-align:center;font-size:13px;font-weight:700;background:#fafbfe}
.info-center{grid-column:1/-1;justify-self:center;width:min(560px,94%);text-align:center;background:linear-gradient(135deg,#0d2b73,#244ca3);color:#fff;border-radius:20px;padding:22px 28px;box-shadow:0 18px 40px rgba(13,43,115,.18)}
.info-center h3{font-size:28px;margin:0 0 6px}.info-center p{margin:0;color:#e5ebff}
.manual-layout{display:grid;grid-template-columns:280px 1fr;gap:34px;align-items:start}
.manual-nav{position:sticky;top:96px;border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
.manual-nav a{display:block;padding:8px 4px;color:#475467;font-size:14px;border-bottom:1px solid #f0f2f6}
.manual-content h2{color:var(--navy);font-size:30px}.manual-content h3{color:#243b74;font-size:22px;margin-top:28px}
.manual-step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin:14px 0}
.manual-shot{margin:16px 0;border:1px solid var(--line);border-radius:14px;padding:8px;background:#fff}
.manual-shot img{width:100%;display:block;border-radius:8px}
.callout{border-left:4px solid var(--navy);background:#f4f7ff;padding:14px 16px;border-radius:10px;margin:16px 0}
.corp-footer{display:grid;grid-template-columns:230px 1fr auto;gap:28px;align-items:center}
.corp-footer img{max-width:210px;max-height:82px;object-fit:contain;background:#fff;border-radius:8px;padding:8px}
.contact-stack{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.wa-link{display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:700;padding:10px 14px;border:1px solid rgba(255,255,255,.25);border-radius:10px}
.wa-icon{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#25D366;color:#fff;font-size:14px;font-weight:900}
@media(max-width:900px){.info-map{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr 1fr}.manual-layout{grid-template-columns:1fr}.manual-nav{position:static}.corp-footer{grid-template-columns:1fr}.corp-footer img{max-width:180px}}

/* AlterStay V3 - WhatsApp conversion + corporate footer refinements */
.wa-cta{
  display:inline-flex;align-items:center;gap:9px;
  margin-top:18px;padding:11px 16px;border-radius:10px;
  background:#25D366;color:#fff!important;font-weight:800;
  box-shadow:0 8px 18px rgba(37,211,102,.22);
}
.wa-cta:hover{filter:brightness(.95);transform:translateY(-1px)}
.wa-cta svg,.wa-float svg,.wa-footer svg{width:20px;height:20px;fill:currentColor}
.section-contact{margin-top:22px}
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:50;
  display:flex;align-items:center;gap:10px;
  background:#25D366;color:#fff!important;
  padding:13px 17px;border-radius:999px;font-weight:800;
  box-shadow:0 12px 30px rgba(0,0,0,.22);
}
.footer{background:#fff;color:#25324a;border-top:1px solid var(--line)}
.corp-footer{grid-template-columns:180px 1fr auto}
.corp-footer img{
  max-width:165px;max-height:62px;object-fit:contain;
  background:#fff;padding:0;border-radius:0
}
.footer strong{color:var(--navy)}
.footer a{color:var(--navy)}
.footer .small{color:#667085!important}
.wa-footer{
  display:inline-flex;align-items:center;gap:8px;
  background:#25D366;color:#fff!important;font-weight:800;
  padding:10px 14px;border-radius:10px;
}
@media(max-width:900px){
 .wa-float{right:14px;bottom:14px;padding:12px 14px}
 .wa-float span{display:none}
 .corp-footer{grid-template-columns:1fr}
}
/* v5: mejora de legibilidad del bloque de acceso demo */
.demo-card p, .demo-card .small, .demo-card .muted { color:#334155 !important; opacity:1 !important; }

/* V7: corrección definitiva de contraste en credenciales de demo */
.demo-card .credentials,.demo-card .credentials *{color:#24324a!important;opacity:1!important}

/* Tema AlterAgro y AlterFarm - agropecuario (verde y turquesa) */
:root{--navy:#15803d;--navy2:#166534;--accent:#0d9488;--soft:#f4fbf7;--green:#0d9488}
.hero{background:linear-gradient(125deg,#e8f8f0 0%,#fff 55%,#eefbf8 100%)}
.world .tag{background:#e6f6ee;color:#15803d}
.info-center{background:linear-gradient(135deg,#15803d,#0d9488)}
.cta{background:linear-gradient(130deg,#15803d,#0d9488)}
.cta p{color:#d7f5e7}
.info-center p{color:#d7f5e7}
.hero-visual svg{width:100%;display:block;border-radius:14px}

/* capturas reales del sistema */
.hero-visual img{width:100%;display:block;border-radius:14px;border:1px solid var(--line)}
.shot-caption{margin-top:10px;font-size:13px;color:#667085;text-align:center}
.shot img{width:100%;display:block;border-radius:10px}

/* ---- Selector de producción (¿Qué produces?) ---- */
.vert-grupo{margin:6px 0 10px;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.vert-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:22px}
.vert-chip{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border:1px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;font:inherit;font-size:14px;font-weight:700;color:var(--ink);transition:.18s}
.vert-chip:hover{border-color:#86efac;transform:translateY(-2px);box-shadow:0 8px 20px rgba(21,128,61,.10)}
.vert-chip.on{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:0 10px 24px rgba(21,128,61,.28)}
.vert-ic{width:40px;height:40px;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.vert-chip.on .vert-ic{stroke:#fff}
.vert-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:0 18px 40px rgba(23,32,51,.06)}
.vp-head{display:flex;gap:18px;align-items:center;margin-bottom:22px}
.vp-head h3{margin:4px 0 0;font-size:26px;color:var(--navy);line-height:1.2}
.vp-ic{flex:0 0 72px;width:72px;height:72px;padding:14px;border-radius:20px;background:#e8f7ee;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.vp-dolor{background:#fffbeb;border:1px dashed #fcd34d;border-radius:16px;padding:16px 20px;margin-bottom:22px}
.vp-dolor strong{color:#b45309}
.vp-dolor ul{margin:8px 0 6px;padding-left:20px;color:var(--ink)}
.vp-dolor li{margin:4px 0}
.vp-sol{font-weight:800;color:var(--accent);font-size:14px}
.vp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.vp-card{border:1px solid var(--line);border-radius:15px;padding:16px;background:var(--soft)}
.vp-card strong{display:block;color:var(--navy);font-size:16px;margin:10px 0 4px}
.vp-card span{font-size:14px;color:var(--muted)}
.vp-bic{width:34px;height:34px;padding:7px;border-radius:10px;background:#fff;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;box-shadow:0 2px 6px rgba(13,148,136,.15)}
.vp-foot{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-top:22px;flex-wrap:wrap}
.vp-foot span{color:var(--muted);font-size:15px;max-width:600px}
.vert-nota{text-align:center;color:var(--muted);margin-top:18px}
@media(max-width:1100px){.vp-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.vert-grid{grid-template-columns:repeat(3,1fr);gap:8px}.vert-chip{padding:12px 4px;font-size:12px}.vert-ic{width:32px;height:32px}.vert-panel{padding:20px}.vp-head h3{font-size:21px}.vp-ic{flex-basis:56px;width:56px;height:56px;padding:10px}.vp-grid{grid-template-columns:1fr}}