/* ConTurno — Landing comercial + /registro. Editorial clínico, cero AI slop.
   Tipografías: Newsreader (titulares serif) + Plus Jakarta Sans (texto).
   Paleta: fondo marfil clínico, tinta verde-petróleo, acento salvia. */

:root{
  --bg:#faf8f4; --surface:#ffffff; --ink:#1e2b26; --muted:#55645c;
  --line:#e5ded2; --brand:#1f5c4d; --brand-dark:#16453a; --accent:#c96f2e;
  --soft:#eef4ef; --radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:"Newsreader",Georgia,serif;font-weight:600;line-height:1.12;
  letter-spacing:-.01em;margin:0;text-wrap:balance}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);margin:.4rem 0 .6rem}
p{margin:0}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{width:100%;max-width:1120px;margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:12px;top:-60px;background:var(--surface);color:var(--ink);
  padding:10px 14px;border-radius:8px;z-index:60;text-decoration:none}
.skip:focus{top:12px}
.kicker{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin:0 0 .4rem}
.lede{color:var(--muted);font-size:1.08rem;max-width:60ch}

/* Header */
.top{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:1.15rem}
.nav{display:flex;gap:18px;margin-inline:auto}
.nav a{text-decoration:none;font-size:.92rem;font-weight:600;color:var(--muted)}
.nav a:hover{color:var(--brand)}
.top-cta{display:flex;align-items:center;gap:14px}
.login{font-weight:700;font-size:.92rem;text-decoration:none}
.login:hover{color:var(--brand)}

/* Botones */
.btn{display:inline-block;text-decoration:none;font-weight:700;border-radius:999px;
  padding:.85rem 1.6rem;border:1px solid transparent;cursor:pointer;font-size:1rem;line-height:1.2}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--soft)}
.btn-sm{padding:.6rem 1.1rem;font-size:.9rem}
.btn-block{width:100%;text-align:center}
.btn[disabled]{opacity:.6;cursor:wait}

/* Hero */
.hero{border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#f2efe6 0%,var(--bg) 100%)}
.hero-in{padding:72px 20px 56px;text-align:center}
.hero-in h1{max-width:20ch;margin:0 auto}
.hero-in h1 em{font-style:italic;color:var(--brand)}
.badge{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.04em;
  color:var(--brand-dark);background:#e4efe7;border:1px solid #cbdccf;
  border-radius:999px;padding:.45rem 1rem;margin:0 0 1.2rem}
.hero-in .lede{margin:1.1rem auto 0}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:1.8rem}
.hero-meta{display:flex;gap:0;justify-content:center;margin:2.2rem auto 0;max-width:640px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.hero-meta div{flex:1;padding:.9rem .6rem}
.hero-meta div+div{border-left:1px solid var(--line)}
.hero-meta dt{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.hero-meta dd{margin:.15rem 0 0;font-weight:700;font-size:.92rem}

/* Pilares */
.pillars{padding:64px 20px}
.grid3{display:grid;grid-template-columns:1fr;gap:16px;margin-top:1.6rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.card .num{font-family:"Newsreader",Georgia,serif;font-style:italic;font-size:1.4rem;color:var(--accent);margin:0 0 .4rem}
.card h3{font-size:1.35rem;margin-bottom:.5rem}
.card p:last-child{color:var(--muted)}

/* Demos */
.demos{background:var(--ink);color:#f2efe6;padding:64px 0}
.demos .kicker{color:#9fc3b3}
.demos .lede{color:#b9c6bf}
.grid2{display:grid;grid-template-columns:1fr;gap:16px;margin-top:1.6rem}
.demo{display:block;text-decoration:none;background:#26352f;border:1px solid #3a4d45;
  border-radius:var(--radius);padding:1.8rem;transition:transform .15s ease,border-color .15s ease}
.demo:hover{transform:translateY(-2px);border-color:#9fc3b3}
.demo-tag{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:#9fc3b3;margin:0 0 .6rem}
.demo h3{color:#fff;font-size:1.6rem}
.demo-sub{color:#b9c6bf;margin-top:.3rem}
.demo-go{margin-top:1rem;font-weight:700;color:#fff}

/* Formulario */
.registro{padding:64px 20px 80px}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:clamp(1.4rem,4vw,2.6rem);max-width:680px;margin-inline:auto;
  box-shadow:0 12px 40px rgba(31,92,77,.08)}
.form-card.flash{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,92,77,.18)}
.form-card form{margin-top:1.4rem;display:grid;gap:1rem}
.field{display:grid;gap:.35rem}
.field-row{display:grid;grid-template-columns:1fr;gap:1rem}
.field label{font-weight:700;font-size:.9rem}
.opt{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;padding:.75rem .9rem;background:#fff;width:100%}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{
  outline:3px solid var(--brand);outline-offset:2px;border-color:var(--brand)}
.field textarea{resize:vertical;min-height:4.5rem}
.form-err{background:#fbeae4;color:#8c2f12;border:1px solid #eec2b0;border-radius:10px;padding:.7rem .9rem}
.form-ok{background:#e6f2e9;color:var(--brand-dark);border:1px solid #bfd9c5;
  border-radius:10px;padding:.9rem 1rem;font-weight:600}

/* Modo Directo */
.hero-note{margin-top:1.1rem;color:var(--muted);font-size:.95rem}
.hero-note a{color:var(--brand);font-weight:700}
.directo{background:var(--soft);border-block:1px solid #d6e4da;padding:64px 0}
.directo-in{display:grid;gap:28px;align-items:start}
.checks{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.7rem}
.checks li{position:relative;padding-left:1.9rem;color:var(--muted)}
.checks li strong{color:var(--ink)}
.checks li::before{content:"";position:absolute;left:0;top:.25rem;width:1.15rem;height:1.15rem;border-radius:50%;
  background:var(--brand) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/70% no-repeat}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.1rem 1.2rem}
.step-n{flex:none;display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;
  background:var(--brand);color:#fff;font-weight:800}
.steps h3{font-size:1.2rem;margin-bottom:.2rem}
.steps p{color:var(--muted);font-size:.95rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;color:var(--brand-dark);overflow-wrap:anywhere}

/* Video */
.video{padding:64px 20px}
.video-sub{display:block;font-size:.55em;font-style:italic;color:var(--muted);font-weight:400;margin-top:.3rem}
.video-frame{margin-top:1.6rem;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  background:var(--ink);box-shadow:0 18px 50px rgba(30,43,38,.14)}
.video-frame video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:var(--ink)}

/* Footer */
.foot{border-top:1px solid var(--line);padding:32px 0 40px}
.foot-in{display:grid;gap:.5rem}
.foot p{color:var(--muted);font-size:.9rem}
.foot a{font-weight:600}

@media (min-width:760px){
  .grid3{grid-template-columns:repeat(3,1fr)}
  .grid2{grid-template-columns:repeat(2,1fr)}
  .field-row{grid-template-columns:1fr 1fr}
}
@media (min-width:900px){
  .directo-in{grid-template-columns:1.1fr 1fr;gap:48px}
}
@media (max-width:860px){
  .nav{display:none}
  .top-in{gap:12px}
  .top-cta{margin-left:auto}
}
@media (max-width:520px){
  .hero-meta{flex-direction:column}
  .hero-meta div+div{border-left:none;border-top:1px solid var(--line)}
  .login{display:none}
}