:root{
  --sky:#b9cbe2; --mist:#dfe7f1; --pale:#eef2f8; --ink:#12161d; --slate:#6f7f95; --steel:#5d6f86;
  --glass:rgba(255,255,255,.22); --line:rgba(255,255,255,.55);
  --font:"Manrope","Inter","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--pale);-webkit-font-smoothing:antialiased}
button,input{font:inherit;color:inherit}
svg{display:block}
.ico{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* ---------- Escenario ---------- */
.stage{min-height:100vh;background:linear-gradient(180deg,#b7cae2 0%,#d6e0ec 55%,#e9eef5 100%)}
.stage__brand,.stage__credit{display:none}
.phone{display:block}
.screen{position:relative;overflow:hidden;width:100%}

/* ---------- Pantalla 1: bienvenida ---------- */
.hero{min-height:100svh;display:flex;flex-direction:column;padding:28px 22px 24px;color:#fff;
  background:linear-gradient(180deg,#6f8aa8 0%,#9db3cb 38%,#c3d1e0 62%,#8fa0b3 100%)}
.logo{width:44px;height:30px;fill:#fff}
.hero h1{margin-top:clamp(40px,12vh,90px);font-size:clamp(2.1rem,9vw,2.9rem);font-weight:300;line-height:1.08;letter-spacing:-.02em}
.hero h1 b{font-weight:700}
.hero p{margin-top:18px;max-width:30ch;font-size:.9rem;line-height:1.5;color:rgba(255,255,255,.88)}
.ghost{margin-top:26px;align-self:flex-start;display:inline-flex;align-items:center;gap:10px;padding:14px 22px;
  border:1px solid var(--line);border-radius:999px;background:var(--glass);backdrop-filter:blur(8px);
  color:#fff;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:background .3s,transform .3s}
.ghost:hover{background:rgba(255,255,255,.35);transform:translateY(-2px)}
.ghost .ico{width:12px;height:12px;fill:currentColor;stroke:none}
.scene{flex:1;min-height:200px;margin:0 -22px;position:relative}
.scene svg{position:absolute;inset:auto 0 0 0;width:100%;height:100%}
.cta{width:100%;padding:18px;border:0;border-radius:999px;background:var(--pale);color:var(--ink);font-weight:600;font-size:1rem;cursor:pointer;
  transition:transform .3s,box-shadow .3s}
.cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,22,29,.18)}

/* ---------- Pantalla 2: inicio ---------- */
.home{padding:26px 20px 110px;background:linear-gradient(180deg,#dfe7f1,#eef2f8)}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.top small{display:block;margin-top:2px;color:var(--slate);font-size:.75rem}
.top strong{font-weight:500;font-size:.95rem}
.search{display:flex;align-items:center;gap:10px;padding:6px 6px 6px 14px;border-radius:999px;background:rgba(255,255,255,.7);font-size:1.15rem}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#7f9ab8,#2f4258)}
.row{display:flex;justify-content:space-between;align-items:center;margin:22px 0 12px}
.row h2{font-size:1.02rem;font-weight:500}
.row a,.row span{font-size:.82rem;color:var(--ink);text-decoration:none}
.row .tools{display:flex;gap:10px;font-size:1.1rem}

.days{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.days::-webkit-scrollbar{display:none}
.days label{flex:1 0 44px;cursor:pointer}
.days input{position:absolute;opacity:0;pointer-events:none}
.days span{display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px 0 6px;border-radius:999px;
  background:rgba(255,255,255,.55);font-size:.72rem;color:var(--slate);transition:background .3s,color .3s,transform .3s}
.days i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#fff;font-style:normal;font-weight:600;font-size:.85rem;color:var(--ink)}
.days input:checked+span{background:#a9bbd0;color:var(--ink);transform:translateY(-2px)}
.days input:checked+span i{background:#d4dfec;box-shadow:0 0 0 2px #fff inset}
.days input:focus-visible+span{outline:2px solid var(--ink)}

.session{position:relative;overflow:hidden;border-radius:30px;padding:16px;min-height:228px;display:flex;flex-direction:column;color:#fff;
  background:radial-gradient(120% 90% at 70% 20%,#5a6c82 0%,#2b3748 55%,#1a2230 100%)}
.session::before{content:"";position:absolute;right:-10%;top:18%;width:80%;height:38%;border-radius:50%;
  background:linear-gradient(90deg,transparent,rgba(10,14,20,.7));transform:rotate(-14deg)}
.session>*{position:relative}
.session header{display:flex;justify-content:space-between;align-items:center;font-size:.9rem}
.pill{padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.22);backdrop-filter:blur(6px);font-size:.62rem;letter-spacing:.05em;text-transform:uppercase}
.session h3{margin-top:auto;font-size:1.4rem;font-weight:500}
.meta{display:flex;gap:8px;margin:10px 0 14px}
.meta span{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.2);font-size:.72rem}
.actions{display:flex;gap:8px}
.swipe{flex:1;display:flex;align-items:center;gap:14px;padding:5px;border-radius:999px;background:var(--pale);color:var(--ink);font-size:.85rem}
.swipe .knob{display:grid;place-items:center;width:42px;height:38px;border-radius:999px;background:#7f93ad;color:#fff;font-size:1.1rem;animation:nudge 2.6s ease-in-out 1.2s infinite}
.next{padding:0 22px;border:0;border-radius:999px;background:rgba(255,255,255,.2);backdrop-filter:blur(6px);color:#fff;font-size:.85rem;cursor:pointer;transition:background .3s}
.next:hover{background:rgba(255,255,255,.34)}

.cards{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;margin-right:-20px;padding-right:20px}
.cards::-webkit-scrollbar{display:none}
.card{position:relative;flex:0 0 46%;min-width:150px;height:118px;scroll-snap-align:start;border-radius:24px;overflow:hidden;
  background:linear-gradient(180deg,#c9d5e3,#8c9db1);color:#fff;transition:transform .35s}
.card:hover{transform:translateY(-3px)}
.card svg{position:absolute;inset:0;width:100%;height:100%}
.card .meta{position:absolute;top:8px;left:8px;margin:0;gap:4px}
.card .meta span{padding:5px 8px;font-size:.62rem;background:rgba(40,52,68,.45)}
.card h4{position:absolute;left:12px;bottom:10px;font-size:.82rem;font-weight:500;text-shadow:0 1px 8px rgba(0,0,0,.35)}

.dock{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;padding:6px;border-radius:999px;
  background:rgba(238,242,248,.78);backdrop-filter:blur(14px);box-shadow:0 10px 30px rgba(18,22,29,.15);z-index:3}
.dock a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--ink);font-size:1.15rem;transition:background .3s,color .3s}
.dock a:hover{background:rgba(255,255,255,.8)}
.dock a[aria-current]{background:var(--ink);color:#fff}
.home .dock{position:fixed}

/* ---------- Animaciones sutiles ---------- */
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes nudge{0%,70%,100%{transform:translateX(0)}82%{transform:translateX(6px)}}
@keyframes drift{0%,100%{transform:translateX(0)}50%{transform:translateX(-6px)}}
.hero h1,.hero p,.ghost{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero p{animation-delay:.12s}.ghost{animation-delay:.24s}
.scene svg{animation:drift 9s ease-in-out infinite}
.session{animation:rise .9s .3s cubic-bezier(.2,.7,.2,1) both}

/* ---------- Escritorio: dos teléfonos como en el prototipo ---------- */
@media (min-width:900px){
  .stage{display:grid;grid-template-columns:auto auto;grid-template-rows:auto 1fr auto;justify-content:center;column-gap:clamp(40px,7vw,110px);
    padding:48px clamp(32px,5vw,80px) 36px;align-items:start}
  .stage__brand{display:block;grid-column:1/-1;fill:var(--ink);width:48px;height:34px}
  .stage__credit{grid-row:3;display:block;margin-top:34px;font-size:.95rem;letter-spacing:.02em}
  .stage__credit:last-child{justify-self:end}
  .phone{grid-row:2;position:relative;width:clamp(300px,24vw,350px);aspect-ratio:9/18.6;padding:10px;border-radius:52px;
    background:linear-gradient(145deg,#4a463f,#17150f);box-shadow:0 40px 80px rgba(40,60,90,.35),inset 0 0 0 2px #6b665b}
  .phone--home{margin-top:44px;animation:rise 1s .15s cubic-bezier(.2,.7,.2,1) both}
  .phone:first-of-type{animation:rise 1s cubic-bezier(.2,.7,.2,1) both}
  .phone::before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);width:32%;height:26px;border-radius:20px;background:#05060a;z-index:5}
  .screen{height:100%;border-radius:42px}
  .hero{min-height:0;padding:62px 22px 20px}
  .hero h1{margin-top:7%;font-size:clamp(2rem,2.5vw,2.45rem)}
  .home{padding:58px 18px 0;overflow:hidden}
  .home .dock{position:absolute}
  .home .row{margin:16px 0 10px}
  .session{min-height:0;height:27%}
  .cards{overflow:hidden}
}
@media (min-width:900px) and (max-height:820px){
  .phone{width:clamp(280px,22vw,320px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}