/* ==========================================================================
   eDCard — landing (/new) · Chiri for KDD Business
   Diseño claro, minimalista y moderno. Sin dependencias externas.
   Paleta: blanco/grafito + acento azul eléctrico (NFC) + oro KDD puntual.
   ========================================================================== */

:root{
  --ink:#0f172a;            /* grafito principal */
  --ink-2:#475569;          /* texto secundario */
  --ink-3:#94a3b8;          /* texto tenue */
  --line:#e7ebf0;           /* bordes */
  --bg:#ffffff;
  --bg-soft:#f6f8fb;        /* fondo suave */
  --accent:#1a6dff;         /* azul eléctrico NFC */
  --accent-ink:#0b4fd6;
  --gold:#c6a965;           /* oro KDD, uso puntual */
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(15,23,42,.04), 0 12px 32px -12px rgba(15,23,42,.16);
  --shadow-sm:0 1px 2px rgba(15,23,42,.05), 0 6px 18px -10px rgba(15,23,42,.14);
  --maxw:1120px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.6;font-size:17px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.nowrap{white-space:nowrap}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:999px;font-weight:600;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -8px rgba(26,109,255,.55)}
.btn--primary:hover{background:var(--accent-ink);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:#cbd5e1;background:#fbfcfe}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--lg{padding:16px 28px;font-size:16.5px}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.2) blur(12px);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:19px}
.brand__logo{height:30px;width:auto}
.brand__mark{width:28px;height:28px}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--ink-2)}
.nav__links a:hover{color:var(--ink)}
.nav__cta{margin-left:6px}

/* ---------- Hero ---------- */
.hero{padding:72px 0 40px;background:
  radial-gradient(1200px 500px at 78% -8%, rgba(26,109,255,.10), transparent 60%),
  radial-gradient(800px 400px at 10% 0%, rgba(198,169,101,.08), transparent 55%);
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);background:rgba(26,109,255,.08);padding:7px 12px;border-radius:999px}
.hero h1{font-size:clamp(35px,5vw,56px);font-weight:800;margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--accent);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:8px;background:rgba(26,109,255,.14);border-radius:8px;z-index:-1}
.lead{font-size:19px;color:var(--ink-2);max-width:56ch}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 26px}
.hero__points{display:flex;gap:20px;flex-wrap:wrap;list-style:none;padding:16px 0 0;margin:0;color:var(--ink-2);font-size:14.5px;border-top:1px solid var(--line)}
.hero__points li{display:flex;align-items:center;gap:8px}
.hero__points li::before{content:"";width:16px;height:16px;border-radius:50%;background:rgba(26,109,255,.14);box-shadow:inset 0 0 0 4px #fff,0 0 0 1px rgba(26,109,255,.25)}

/* ---------- Hero visual (imagen real) ---------- */
.hero__visual{position:relative;width:100%;max-width:480px;margin:0 auto;display:flex;align-items:center;justify-content:center}
.hero__img{width:100%;height:auto;filter:drop-shadow(0 30px 60px rgba(15,23,42,.22)) drop-shadow(0 8px 18px rgba(26,109,255,.10))}
.hero__visual picture{display:block;width:100%}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media (prefers-reduced-motion:no-preference){
  .hero__img{animation:floaty 6s ease-in-out infinite}
}

/* ---------- Iconos sociales flotantes del hero ---------- */
.float-badge{
  position:absolute;z-index:3;width:60px;height:60px;border-radius:50%;
  filter:drop-shadow(0 12px 20px rgba(15,23,42,.22));
  pointer-events:none;
}
/* WhatsApp: arriba-derecha del móvil */
.float-badge--wa{top:-8px;right:6px;animation:floaty 5.5s ease-in-out infinite}
/* Instagram: abajo-izquierda */
.float-badge--ig{left:-34px;bottom:38%;animation:floaty 6.5s ease-in-out infinite;animation-delay:-1.6s}
/* Telegram: abajo-derecha, junto a la tarjeta */
.float-badge--tg{right:-12px;bottom:20%;animation:floaty 6s ease-in-out infinite;animation-delay:-3.1s}

@media (max-width:900px){
  .float-badge{width:52px;height:52px}
}
@media (max-width:520px){
  .float-badge{width:44px;height:44px}
  .float-badge--wa{top:-6px;right:0}
  .float-badge--ig{left:-10px;bottom:36%}
  .float-badge--tg{right:-8px;bottom:14%}
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Strip ---------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-soft)}
.strip__inner{padding:22px 0;text-align:center}
.strip__text{margin:0;font-size:clamp(17px,2.4vw,22px);font-weight:600;color:var(--ink)}
.strip__text .dot{color:var(--accent);margin:0 6px}

/* ---------- Secciones ---------- */
.section{padding:80px 0}
.section--soft{background:var(--bg-soft)}
.section__head{text-align:center;max-width:640px;margin:0 auto 46px}
.section__head h2{font-size:clamp(28px,3.6vw,40px);font-weight:800;margin:16px 0 10px}
.section__sub{color:var(--ink-2);margin:0}

/* ---------- Pasos ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-sm)}
.step__num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:rgba(26,109,255,.1);color:var(--accent-ink);font-weight:800;font-size:19px;margin-bottom:16px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{margin:0;color:var(--ink-2);font-size:15.5px}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow-sm);transition:.2s ease}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#dbe4f0}
.feature__ico{display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;font-size:24px;border-radius:14px;background:var(--bg-soft);border:1px solid var(--line);margin-bottom:18px}
.feature h3{font-size:19.5px;margin-bottom:9px}
.feature p{margin:0;color:var(--ink-2);font-size:15.5px}

/* ---------- Chips ---------- */
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:780px;margin-inline:auto}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-weight:600;font-size:15.5px;color:var(--ink);box-shadow:var(--shadow-sm)}
.chips li::before{content:"✓";color:var(--accent);margin-right:9px;font-weight:800}

/* ---------- CTA ---------- */
.cta{padding:40px 0 90px}
.cta__inner{background:linear-gradient(135deg,#0f172a 0%,#16233f 60%,#1a6dff 160%);color:#fff;border-radius:26px;padding:52px 46px;display:flex;align-items:center;justify-content:space-between;gap:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.cta__inner::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(26,109,255,.4),transparent 70%)}
.cta__brand{margin-bottom:14px}
.cta__brand img{height:34px;width:auto}
.cta__copy h2{font-size:clamp(25px,3.2vw,34px);font-weight:800;margin:0 0 10px}
.cta__copy p{margin:0;color:#c7d2e0;max-width:52ch}
.cta__actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
.cta .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta .btn--ghost:hover{background:rgba(255,255,255,.10);border-color:#fff}
.cta .btn--primary{background:#fff;color:var(--ink);box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.cta .btn--primary:hover{background:#f1f5fb}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);padding:36px 0 26px;background:#fff}
.foot__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot__brand{display:flex;align-items:center;gap:14px}
.foot__logo{height:30px;width:auto}
.foot__mark{width:40px;height:40px}
.foot__brand strong{display:block;font-size:16px}
.foot__brand p{margin:0;color:var(--ink-3);font-size:13.5px}
.foot__links{display:flex;gap:22px;font-size:14.5px;color:var(--ink-2)}
.foot__links a:hover{color:var(--accent-ink)}
.foot__legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:34px}
  .hero__visual{max-width:420px;margin:0 auto;width:100%}
  .steps,.features{grid-template-columns:1fr}
  .cta__inner{flex-direction:column;text-align:center;padding:42px 26px}
  .cta__copy p{margin-inline:auto}
  .nav__links{display:none}
}
@media (max-width:520px){
  .hero{padding-top:48px}
  .hero__visual{max-width:340px}
  .section{padding:60px 0}
  .foot__inner{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.feature{transition:none}
}

/* ---------- Vídeo Vimeo ---------- */
.video__frame{
  max-width:1000px;margin:0 auto;background:#0d1117;border-radius:20px;padding:10px;
  box-shadow:0 24px 60px rgba(15,23,42,.18);
}
.video__ratio{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.video__ratio iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0;display:block}