/* Contratos360 — sitio publicitario
   Paleta corporativa heredada del sistema (índigo #4F46E5) */
:root{
  --indigo:#4F46E5; --indigo-d:#3730A3; --indigo-l:#EEF0FE; --indigo-xl:#F6F7FC;
  --ink:#1F2138; --slate:#64648A; --line:#E4E5F1; --line-d:#C9CBE8;
  --white:#fff; --green:#059669; --green-l:#E7F6F0; --amber:#D97706; --amber-l:#FBF0E1;
  --red:#DC2626; --red-l:#FCEBEB; --cyan:#0891B2; --cyan-l:#E2F4F8;
  --violet:#7C3AED; --shadow:0 18px 50px -20px rgba(31,33,56,.35);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Segoe UI',system-ui,-apple-system,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--white);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--indigo);margin-bottom:14px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
.section{padding:88px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:16px}
.section-head p{font-size:18px;color:var(--slate)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15.5px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.16s;white-space:nowrap}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 10px 24px -10px rgba(79,70,229,.7)}
.btn-primary:hover{background:var(--indigo-d);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-d)}
.btn-ghost:hover{border-color:var(--indigo);color:var(--indigo)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.22)}
.btn-white{background:#fff;color:var(--indigo-d)}
.btn-white:hover{transform:translateY(-1px)}

/* ---------- Header ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand .logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#4F46E5,#6366F1);
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px -6px rgba(79,70,229,.8)}
.brand span{color:var(--indigo)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px;font-weight:500;color:var(--slate)}
.nav-links a:hover{color:var(--indigo)}
.nav-cta{display:flex;gap:12px;align-items:center}
.menu-btn{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}
@media(max-width:900px){.nav-links,.nav-cta .btn-ghost{display:none}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 500px at 82% -8%,#EEF0FE 0%,rgba(238,240,254,0) 60%),
  radial-gradient(800px 420px at 5% 12%,#F4EEFE 0%,rgba(244,238,254,0) 55%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:74px 0 90px}
.hero h1{font-size:clamp(34px,5.2vw,56px);font-weight:800;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--indigo);position:relative}
.hero p.lead{font-size:19px;color:var(--slate);max-width:540px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;color:var(--slate);font-weight:500}
.hero-badges b{color:var(--ink)}
.hero-badges .dot{color:var(--green);font-weight:800;margin-right:6px}
.hero-visual{position:relative}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px;padding:48px 0 60px}.hero-visual{order:-1}}

/* ---------- Bandas de logos/stats ---------- */
.stat-band{background:var(--ink);color:#fff;padding:52px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-grid .n{font-size:clamp(28px,4vw,42px);font-weight:800;background:linear-gradient(120deg,#A5B4FC,#fff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-grid .l{font-size:14px;color:#B7B9D6;margin-top:6px}
@media(max-width:700px){.stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 16px}}

/* ---------- Features ---------- */
.features{background:var(--indigo-xl)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.feat-grid{grid-template-columns:1fr}}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.18s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-d)}
.feat .ic{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;background:var(--indigo-l)}
.feat h3{font-size:18.5px;font-weight:700;margin-bottom:9px}
.feat p{font-size:15px;color:var(--slate)}
.feat .tag{display:inline-block;margin-top:14px;font-size:11.5px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--indigo);background:var(--indigo-l);padding:4px 10px;border-radius:20px}

/* ---------- Split / detalle ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.rev .split-txt{order:2}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:36px}.split.rev .split-txt{order:0}}
.split-txt h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-bottom:18px}
.split-txt p{font-size:17px;color:var(--slate);margin-bottom:22px}
.check-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15.5px}
.check-list .ck{flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--green-l);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;margin-top:1px}
.check-list b{color:var(--ink)}
.card-visual{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px}

/* ---------- Seguridad (oscuro) ---------- */
.security{background:linear-gradient(135deg,#20213B 0%,#2C2D4D 60%,#3730A3 130%);color:#fff}
.security .section-head p{color:#B7B9D6}
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.sec-grid{grid-template-columns:1fr}}
.sec{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:24px}
.sec h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.sec p{font-size:14.5px;color:#C9CBE8}
.sec .k{color:#A5B4FC}

/* ---------- Demo / formulario ---------- */
.demo{background:var(--indigo-xl)}
.demo-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:52px;align-items:start}
@media(max-width:900px){.demo-grid{grid-template-columns:1fr;gap:36px}}
.demo-txt h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:18px}
.demo-txt p{font-size:17px;color:var(--slate);margin-bottom:26px}
.demo-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.demo-list li{display:flex;gap:14px;align-items:flex-start}
.demo-list .ic{flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px -8px rgba(31,33,56,.3)}
.demo-list b{display:block;font-size:15.5px}
.demo-list span{font-size:14px;color:var(--slate)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:34px}
.form-card h3{font-size:22px;font-weight:800;margin-bottom:6px}
.form-card .sub{font-size:14.5px;color:var(--slate);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}
.field label .req{color:var(--red)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--line-d);border-radius:10px;background:#fff;transition:.14s}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-l)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:520px){.grid-2{grid-template-columns:1fr}}
.form-card .btn-primary{width:100%;justify-content:center;margin-top:8px;font-size:16px;padding:15px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--slate);margin:6px 0 4px}
.consent input{margin-top:3px;flex:0 0 auto}
.form-note{font-size:12.5px;color:var(--slate);text-align:center;margin-top:14px}
.form-msg{display:none;padding:16px 18px;border-radius:12px;font-size:14.5px;margin-bottom:20px}
.form-msg.ok{display:block;background:var(--green-l);color:#065f46;border:1px solid #a7e0c8}
.form-msg.err{display:block;background:var(--red-l);color:#991b1b;border:1px solid #f3b4b4}

/* ---------- CTA final ---------- */
.cta-final{background:linear-gradient(135deg,#3730A3 0%,#4F46E5 55%,#6366F1 110%);color:#fff;text-align:center}
.cta-final h2{font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:16px}
.cta-final p{font-size:19px;color:#E0E1FB;max-width:560px;margin:0 auto 30px}
.cta-final .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#C9CBE8;padding:56px 0 30px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:32px;margin-bottom:40px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:26px}}
.foot-grid h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.foot-grid a{display:block;color:#9FA2C9;margin-bottom:9px}
.foot-grid a:hover{color:#fff}
.foot-brand .brand{color:#fff;margin-bottom:14px}
.foot-brand p{color:#9FA2C9;max-width:340px;font-size:14px}
.foot-bot{border-top:1px solid #33345A;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8B8EB5;font-size:13px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}