/* ============================================================
   CAMBIO FÍSICO · ROBERTH LARA — Sistema de diseño
   Tema oscuro atlético. Temas por fase via [data-phase="N"].
   ============================================================ */

/* ---------- Tokens base ---------- */
:root{
  --bg:#070a11;
  --bg-soft:#0c1019;
  --surface:rgba(255,255,255,.038);
  --surface-2:rgba(255,255,255,.06);
  --surface-3:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.18);

  --text:#eef2f8;
  --muted:#9aa7ba;
  --muted-2:#69748a;

  /* Acento por defecto = Fase II (azul). Se sobrescribe por [data-phase] */
  --accent:#38bdf8;
  --accent-2:#3b82f6;
  --accent-soft:rgba(56,189,248,.14);
  --accent-line:rgba(56,189,248,.30);
  --accent-glow:rgba(56,189,248,.45);

  --grad-journey:linear-gradient(115deg,#34d399 0%,#38bdf8 38%,#6366f1 68%,#a855f7 100%);

  --ok:#34d399; --warn:#fbbf24; --danger:#fb7185;

  --radius:22px;
  --radius-sm:15px;
  --radius-xs:11px;
  --maxw:1140px;

  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;

  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --shadow-glow:0 18px 50px -12px var(--accent-glow);
}

/* ---------- Temas por fase (escalable: añade más cuando toque) ---------- */
[data-phase="1"]{ --accent:#34d399; --accent-2:#84cc16; --accent-soft:rgba(52,211,153,.14); --accent-line:rgba(52,211,153,.32); --accent-glow:rgba(52,211,153,.45); }
[data-phase="2"]{ --accent:#38bdf8; --accent-2:#3b82f6; --accent-soft:rgba(56,189,248,.14); --accent-line:rgba(56,189,248,.32); --accent-glow:rgba(56,189,248,.45); }
[data-phase="3"]{ --accent:#a78bfa; --accent-2:#d946ef; --accent-soft:rgba(167,139,250,.14); --accent-line:rgba(167,139,250,.32); --accent-glow:rgba(167,139,250,.45); }
[data-phase="4"]{ --accent:#fbbf24; --accent-2:#fb923c; --accent-soft:rgba(251,191,36,.14); --accent-line:rgba(251,191,36,.32); --accent-glow:rgba(251,191,36,.45); }

/* ---------- Reset / base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
/* Fondo con orbes de luz fijos */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(60% 50% at 12% 0%, rgba(56,189,248,.10), transparent 60%),
    radial-gradient(55% 45% at 92% 8%, rgba(167,139,250,.10), transparent 60%),
    radial-gradient(60% 60% at 50% 110%, rgba(52,211,153,.08), transparent 60%),
    var(--bg);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.025) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(180deg,#000,transparent 90%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#04121c}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.container.tight{max-width:880px}

/* ---------- Tipografía ---------- */
h1,h2,h3,.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.08}
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-display);font-weight:600;
  text-transform:uppercase;letter-spacing:.24em;font-size:12px;
  color:var(--accent);
}
.kicker::before{content:"";width:26px;height:1.5px;background:linear-gradient(90deg,var(--accent),transparent)}
.gradient-text{
  background:var(--grad-journey);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.accent-text{background:linear-gradient(100deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;
  font-family:var(--font-display);font-weight:600;font-size:15px;
  padding:14px 24px;border-radius:999px;border:none;
  color:#04121c;background:linear-gradient(100deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow-glow);
  transition:transform .18s cubic-bezier(.2,.8,.2,1),box-shadow .18s,filter .18s;
}
.btn:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 22px 60px -10px var(--accent-glow)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;
  font-family:var(--font-display);font-weight:600;font-size:15px;
  padding:13px 23px;border-radius:999px;
  color:var(--text);background:var(--surface);border:1px solid var(--border-strong);
  backdrop-filter:blur(8px);transition:transform .18s,background .18s,border-color .18s;
}
.btn-ghost:hover{transform:translateY(-2px);background:var(--surface-2);border-color:var(--accent-line)}
.btn-sm{padding:10px 18px;font-size:14px}
.arrow{transition:transform .2s}
.btn:hover .arrow,.btn-ghost:hover .arrow{transform:translateX(3px)}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s,box-shadow .3s}
.nav.scrolled{background:rgba(8,11,18,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:-.01em}
.brand .mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121c;font-weight:700;font-size:15px;
  box-shadow:0 8px 22px -6px var(--accent-glow);
}
.brand small{display:block;font-family:var(--font-body);font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-burger{display:none;background:var(--surface);border:1px solid var(--border);color:var(--text);width:42px;height:42px;border-radius:12px;cursor:pointer;font-size:18px}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px 0 70px;overflow:hidden}
.hero-glow{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero-glow span{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;animation:float 14s ease-in-out infinite}
.hero-glow .g1{width:46vw;height:46vw;left:-8vw;top:-6vw;background:radial-gradient(circle,#34d39955,transparent 70%)}
.hero-glow .g2{width:42vw;height:42vw;right:-6vw;top:4vw;background:radial-gradient(circle,#6366f155,transparent 70%);animation-delay:-4s}
.hero-glow .g3{width:40vw;height:40vw;left:30vw;bottom:-14vw;background:radial-gradient(circle,#38bdf855,transparent 70%);animation-delay:-8s}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(2.5vw,-2.5vw)}}

.hero-inner{max-width:840px}
.hero .kicker{margin-bottom:22px}
.hero h1{font-size:clamp(40px,8vw,82px);font-weight:700;margin-bottom:22px}
.hero h1 .accent-text{display:inline-block}
.hero .lead{font-size:clamp(16px,2.4vw,20px);color:var(--muted);max-width:600px;margin-bottom:34px;line-height:1.6}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:42px}
.hero-status{display:inline-flex;align-items:center;gap:11px;padding:8px 18px 8px 14px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--border);backdrop-filter:blur(8px);margin-bottom:26px}
.hero-status .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent-glow);animation:pulse 2s infinite;flex:0 0 auto}
.hero-status .hs-label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);font-family:var(--font-display);font-weight:600}
.hero-status .hs-val{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--accent)}
.hero-actions .btn,.hero-actions .btn-ghost{padding:15px 26px;font-size:15.5px}
.hero-actions .btn-ghost{background:var(--surface-2)}
@keyframes pulse{0%{box-shadow:0 0 0 0 var(--accent-glow)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}

.scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:var(--muted-2);font-size:12px;letter-spacing:.2em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scrollcue .mouse{width:22px;height:34px;border:1.5px solid var(--border-strong);border-radius:12px;position:relative}
.scrollcue .mouse::before{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:7px;border-radius:2px;background:var(--accent);animation:wheel 1.6s infinite}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}100%{opacity:0;transform:translate(-50%,9px)}}

/* ---------- Sections ---------- */
.section{padding:88px 0;scroll-margin-top:80px}
.section-head{max-width:680px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .kicker::before{display:none}
.section-head h2{font-size:clamp(28px,4.5vw,46px);margin:16px 0 14px}
.section-head p{color:var(--muted);font-size:clamp(15px,2vw,17.5px)}
.eyebrow-num{font-family:var(--font-display);color:var(--muted-2);font-size:13px;letter-spacing:.2em}

/* ---------- Glass card ---------- */
.glass{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(10px)}

/* ---------- Galería de progreso ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.shot{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);cursor:pointer;background:var(--bg-soft)}
.shot img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.shot:hover img{transform:scale(1.05)}
.shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 12px;display:flex;justify-content:space-between;align-items:flex-end;
  background:linear-gradient(transparent,rgba(4,8,14,.85));font-size:13px}
.shot .label{font-family:var(--font-display);font-weight:600}
.shot .batag{font-size:11px;color:var(--muted);letter-spacing:.04em}
.gallery-note{text-align:center;color:var(--muted-2);font-size:13.5px;margin-top:20px}

/* ---------- Roadmap de fases ---------- */
.roadmap{display:flex;flex-direction:column;gap:18px;position:relative}
.phase{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;
  padding:24px 26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .25s,border-color .25s,background .25s;overflow:hidden;
}
.phase::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(var(--accent),var(--accent-2));opacity:.85}
.phase:hover{transform:translateY(-3px);border-color:var(--accent-line);background:var(--surface-2)}
.phase.current{border-color:var(--accent-line);box-shadow:0 0 0 1px var(--accent-line),0 30px 70px -30px var(--accent-glow)}
.phase.current::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(80% 120% at 0% 0%,var(--accent-soft),transparent 60%)}
.phase.locked{opacity:.62}
.phase.locked:hover{transform:none;border-color:var(--border);background:var(--surface)}

.phase .pnum{
  width:62px;height:62px;flex:0 0 auto;border-radius:18px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:24px;color:#04121c;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 12px 30px -8px var(--accent-glow)
}
.phase.locked .pnum{background:var(--surface-3);color:var(--muted);box-shadow:none}
.phase .pbody{min-width:0}
.phase .ptitle{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:5px}
.phase .ptitle h3{font-size:21px}
.phase .ptag{font-size:13px;color:var(--muted);margin-bottom:13px}
.phase .glinks{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:8px}
.glink{
  display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:500;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);transition:background .15s,border-color .15s,transform .15s
}
.glink:hover{background:var(--accent-soft);border-color:var(--accent-line);transform:translateY(-1px)}
.glink .gi{font-size:14px}
.phase .pcta{flex:0 0 auto}

/* Pills de estado */
.status{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-family:var(--font-display);font-weight:600;font-size:12px;letter-spacing:.02em}
.status .sd{width:7px;height:7px;border-radius:50%}
.status.done{background:rgba(52,211,153,.14);color:#6ee7b7} .status.done .sd{background:#34d399}
.status.active{background:var(--accent-soft);color:var(--accent)} .status.active .sd{background:var(--accent);animation:pulse 2s infinite}
.status.soon{background:var(--surface-3);color:var(--muted)} .status.soon .sd{background:var(--muted-2)}

/* ---------- Esenciales (chips grandes) ---------- */
.essentials{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.ess{padding:20px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);transition:transform .2s,border-color .2s}
.ess:hover{transform:translateY(-3px);border-color:var(--accent-line)}
.ess .ei{font-size:26px;margin-bottom:10px}
.ess h4{font-family:var(--font-display);font-size:15px;margin-bottom:3px}
.ess p{font-size:13px;color:var(--muted)}

/* ---------- Banner motivacional ---------- */
.quote{position:relative;text-align:center;padding:56px 26px;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--border)}
.quote::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(70% 130% at 50% 0%,var(--accent-soft),transparent 65%)}
.quote .q{font-family:var(--font-display);font-weight:700;font-size:clamp(22px,3.6vw,34px);line-height:1.25;max-width:760px;margin:0 auto 14px}
.quote .by{color:var(--muted);font-size:14px}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--border);padding:42px 0;margin-top:30px}
.footer-inner{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.footer .muted{color:var(--muted-2);font-size:13px}
.footer .brand small{color:var(--muted-2)}

/* ============================================================
   COMPONENTES DE CONTENIDO (para las páginas internas)
   ============================================================ */
.topbar{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(8,11,18,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.topbar .nav-inner{height:62px}
.topbar .back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-weight:500;font-size:14.5px}
.topbar .back:hover{color:var(--text)}

.page-hero{padding:120px 0 30px;position:relative}
.page-hero .kicker{margin-bottom:16px}
.page-hero h1{font-size:clamp(30px,5.5vw,52px);margin-bottom:14px}
.page-hero .lead{color:var(--muted);font-size:clamp(15px,2vw,18px);max-width:620px}
.page-hero .meta{margin-top:18px;font-size:13px;color:var(--muted-2)}

.prose{padding-bottom:90px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(10px);padding:26px 30px;margin-bottom:22px}
.card h2{display:flex;align-items:center;gap:14px;font-size:22px;margin-bottom:14px}
.card h2 .num{flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:16px;color:#04121c;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 10px 26px -8px var(--accent-glow)}
.card h3{font-size:16.5px;color:var(--text);margin:20px 0 8px;font-family:var(--font-display)}
.card p{margin:10px 0;color:#d4dbe6}
.card ul,.card ol{margin:10px 0;padding-left:22px;color:#d4dbe6}
.card li{margin:6px 0}
.card strong{color:#fff;font-weight:700}
.card a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--accent-line)}
.muted{color:var(--muted)}
.note{font-style:italic;color:var(--muted);font-size:13.5px}

/* Tablas */
.tablewrap{overflow-x:auto;margin:16px 0;border-radius:var(--radius-sm);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{background:var(--surface-2);text-align:left;padding:12px 16px;font-family:var(--font-display);font-weight:600;font-size:13px;color:var(--text);border-bottom:1px solid var(--border)}
td{padding:11px 16px;border-top:1px solid var(--border);vertical-align:top;color:#d4dbe6}
tr:nth-child(even) td{background:rgba(255,255,255,.018)}

/* Callouts */
.callout{border-radius:var(--radius-sm);padding:16px 20px;margin:16px 0;border-left:3px solid var(--accent);background:var(--accent-soft)}
.callout.warn{border-left-color:var(--warn);background:rgba(251,191,36,.10)}
.callout.danger{border-left-color:var(--danger);background:rgba(251,113,133,.10)}
.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}
.callout .big{font-size:16px;font-weight:700;color:#fff}

/* Badges */
.badge{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:700}
.badge.ok{background:var(--accent-soft);color:var(--accent)}
.badge.warn{background:rgba(251,191,36,.14);color:var(--warn)}

/* Dos columnas */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.callout.lead{background:var(--surface-2);border-left-color:var(--border-strong)}
@media(max-width:640px){.cols{grid-template-columns:1fr}}

/* Chips de macros */
.macros{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 4px}
.macros .m{flex:1 1 110px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-xs);padding:13px 12px;text-align:center}
.macros .m .v{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--accent);display:block}
.macros .m .l{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:3px}

/* Opciones de comida */
.opt{border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 18px 14px;margin:14px 0;background:rgba(255,255,255,.015)}
.opt h4{margin:16px 0 4px;font-size:15px;color:var(--accent);font-family:var(--font-display)}
.pick{font-size:12.5px;font-weight:700;color:#04121c;background:linear-gradient(100deg,var(--accent),var(--accent-2));display:inline-block;padding:4px 12px;border-radius:999px;margin:4px 0}

/* Checklist */
.checklist{background:var(--surface);border:1px dashed var(--accent-line);border-radius:var(--radius-sm);padding:18px 22px;margin:16px 0}
.checklist .cl-line{font-size:14px;margin:6px 0;color:var(--muted)}
.cl-group{font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:11.5px;color:var(--accent);margin:16px 0 6px}
.cl-group:first-child{margin-top:4px}
label.check{display:flex;gap:12px;align-items:flex-start;padding:6px 0;cursor:pointer}
label.check input{width:19px;height:19px;margin:2px 0 0;accent-color:var(--accent);flex:0 0 auto}
label.check span{flex:1;color:#d4dbe6}
label.check input:checked + span{color:var(--muted-2);text-decoration:line-through}
.fill{display:inline-block;min-width:120px;border-bottom:1px solid var(--border-strong);height:1.1em}
.fill{max-width:100%}
@media(max-width:560px){.fill{min-width:40px!important}.cl-line{overflow-wrap:anywhere}}

.foot{text-align:center;color:var(--muted-2);font-size:13.5px;margin-top:24px}
.foot a{color:var(--accent)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal[data-delay="4"]{transition-delay:.32s}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:24px;background:rgba(3,6,11,.92);backdrop-filter:blur(8px)}
.lightbox.open{display:grid}
.lightbox img{max-width:min(94vw,680px);max-height:90vh;border-radius:16px;border:1px solid var(--border-strong);box-shadow:var(--shadow)}
.lightbox .x{position:absolute;top:20px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);color:#fff;font-size:20px;cursor:pointer}

/* ---------- UX: barra de progreso de lectura ---------- */
.readbar{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 12px var(--accent-glow);transition:width .12s linear}

/* ---------- UX: botón volver arriba ---------- */
.totop{position:fixed;right:18px;bottom:18px;z-index:55;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;border:1px solid var(--border-strong);
  background:var(--surface-2);backdrop-filter:blur(10px);color:var(--text);font-size:19px;
  opacity:0;transform:translateY(12px) scale(.9);pointer-events:none;transition:opacity .25s,transform .25s,border-color .2s,background .2s}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{border-color:var(--accent-line);background:var(--surface-3)}

/* ---------- UX: navegación anterior / siguiente ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:6px 0 4px}
.pager a{display:flex;flex-direction:column;gap:4px;padding:16px 20px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border);transition:transform .18s,border-color .18s,background .18s}
.pager a:hover{transform:translateY(-2px);border-color:var(--accent-line);background:var(--surface-2)}
.pager a.next{text-align:right;align-items:flex-end}
.pager .pl{font-size:11.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.12em;font-family:var(--font-display)}
.pager .pt{font-family:var(--font-display);font-weight:600;font-size:15.5px;color:var(--text)}
.pager a.empty{visibility:hidden}
@media(max-width:520px){.pager{grid-template-columns:1fr}.pager a.next{text-align:left;align-items:flex-start}}

/* ---------- UX: reiniciar checklist ---------- */
.cl-reset{margin:12px 0 2px;display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  background:none;border:none;color:var(--muted-2);font-family:var(--font-body);font-size:13px;padding:2px 0;transition:color .15s}
.cl-reset:hover{color:var(--accent)}

/* ============================================================
   PANTALLA "HOY" — dashboard de enganche
   ============================================================ */
/* PIN */
.pin-overlay{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:24px;
  background:radial-gradient(80% 60% at 50% 0%,var(--accent-soft),transparent 60%),var(--bg)}
.pin-overlay[hidden]{display:none}
.pin-card{width:100%;max-width:360px;text-align:center;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:34px 26px;backdrop-filter:blur(10px)}
.pin-card .mark{width:54px;height:54px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121c;font-family:var(--font-display);font-weight:700;font-size:22px}
.pin-card h2{font-size:22px;margin-bottom:6px;justify-content:center}
.pin-card p{color:var(--muted);font-size:14px;margin-bottom:18px}
.pin-dots{display:flex;justify-content:center;gap:16px;margin:12px 0 2px}
.pin-dots i{width:14px;height:14px;border-radius:50%;border:2px solid var(--border-strong);transition:background .15s,border-color .15s,transform .15s}
.pin-dots i.on{background:var(--accent);border-color:var(--accent);transform:scale(1.05)}
.pin-err{color:var(--danger);font-size:13px;margin-top:12px;min-height:18px}
.pin-card.shake{animation:pinshake .42s}
@keyframes pinshake{0%,100%{transform:translateX(0)}20%{transform:translateX(-11px)}40%{transform:translateX(11px)}60%{transform:translateX(-7px)}80%{transform:translateX(7px)}}
.pin-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:266px;margin:22px auto 0}
.pin-key{aspect-ratio:1;border-radius:50%;border:1px solid var(--border);background:var(--surface-2);color:var(--text);
  font-family:var(--font-display);font-weight:600;font-size:25px;cursor:pointer;display:grid;place-items:center;
  transition:transform .08s,background .15s;-webkit-tap-highlight-color:transparent;user-select:none}
.pin-key:active{transform:scale(.9);background:var(--surface-3)}
.pin-key.blank{background:none;border:none;pointer-events:none}
.pin-key.del{background:none;border:none;font-size:22px;color:var(--muted)}
.pin-back{display:inline-block;margin-top:22px;color:var(--muted);font-size:14px;text-decoration:none;font-weight:500}
.pin-back:hover{color:var(--text)}

/* ============================================================
   APP: barra de pestañas inferior (Hoy · Comer · Progreso · Logros)
   ============================================================ */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;
  background:rgba(8,11,18,.88);backdrop-filter:blur(18px);border-top:1px solid var(--border);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom))}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 4px;text-decoration:none;
  color:var(--muted-2);font-size:11px;font-weight:600;font-family:var(--font-display);transition:color .15s,transform .1s}
.tab .ti{font-size:22px;line-height:1}
.tab.active{color:var(--accent)}
.tab:active{transform:scale(.92)}
body[data-app] main.prose{padding-bottom:110px}
body.has-tab{padding-bottom:calc(86px + env(safe-area-inset-bottom))}   /* deja libre el footer bajo la tab bar (incluye notch) */
body[data-app] .totop,body.has-tab .totop{display:none}        /* la tab bar reemplaza al volver-arriba */
@media(max-width:760px){.scrollcue{display:none}}   /* evita el choque con la píldora del hero */
.footer a{color:var(--accent);text-decoration:none}
.footer a:hover{text-decoration:underline}

/* Encabezado de página de app */
.app-head{margin:0 0 18px}
.app-head h1{font-family:var(--font-display);font-size:clamp(24px,5vw,32px);font-weight:700}
.app-head .sub{color:var(--muted);font-size:14.5px;margin-top:3px;text-transform:capitalize}

/* Tarjeta de comida (página Comer) — interactiva */
.meal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px}
.meal-head{display:flex;align-items:flex-start;gap:13px;margin-bottom:14px}
.meal-head .mi{font-size:26px;flex:0 0 auto;line-height:1.1}
.meal-h-text{min-width:0}
.meal-head h3{font-family:var(--font-display);font-size:17px;font-weight:600;line-height:1.25}
.meal-macros{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.meal-macros span{font-size:11px;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);padding:3px 9px;border-radius:999px;font-family:var(--font-display);font-weight:600}
.meal-macros span.kcal{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.opt-card{display:block;width:100%;text-align:left;border:1px solid var(--border);border-radius:14px;padding:13px 15px;
  cursor:pointer;margin-bottom:10px;background:var(--surface-2);transition:border-color .15s,background .15s;font-family:inherit}
.opt-card.on{border-color:var(--accent);background:var(--accent-soft)}
.opt-card .ol{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:700;color:var(--muted);
  font-size:12px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:7px}
.opt-card.on .ol{color:var(--accent)}
.opt-card .ol .rc{width:17px;height:17px;border-radius:50%;border:2px solid var(--border-strong);flex:0 0 auto;transition:all .15s}
.opt-card.on .ol .rc{border-color:var(--accent);background:radial-gradient(circle,var(--accent) 42%,transparent 47%)}
.opt-card .ot{font-size:14.5px;color:#d4dbe6;line-height:1.5}
.cgroup{margin:14px 0}
.cgroup .cl{font-size:11.5px;color:var(--muted);font-weight:600;margin-bottom:9px;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em}
.choice{display:flex;flex-wrap:wrap;gap:8px}
.chip-sel{padding:9px 14px;border-radius:999px;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;
  font-size:14px;color:var(--text);transition:background .15s,border-color .15s,color .15s;font-family:inherit}
.chip-sel.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}
.meal .fixed-line{font-size:14.5px;color:#d4dbe6;margin:2px 0}
.meal .extra-line{font-size:13.5px;color:var(--muted);margin-top:12px}
.meal .pick-note{font-size:12.5px;color:var(--muted-2);margin-top:10px;font-style:italic}

/* Tira de stats grande (Logros) */
.bigstats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px}
.bigstat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}
.bigstat .v{font-family:var(--font-display);font-weight:700;font-size:34px;line-height:1;
  background:linear-gradient(100deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.bigstat .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.07em;margin-top:8px}

/* Encabezado del día */
.today-head{margin-bottom:22px}
.today-head .hi{font-family:var(--font-display);font-size:clamp(26px,5vw,38px);font-weight:700}
.today-head .date{color:var(--muted);font-size:15px;text-transform:capitalize;margin-top:4px}

/* Fila de stats: racha + anillo */
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;text-align:center}
.streak .flame{font-size:30px;line-height:1;margin-bottom:4px;animation:flamePulse 2s ease-in-out infinite}
@keyframes flamePulse{0%,100%{transform:scale(1)}50%{transform:scale(1.13)}}
.streak-num{font-family:var(--font-display);font-weight:700;font-size:46px;line-height:1;
  background:linear-gradient(100deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin-top:8px}

/* Anillo SVG */
.ring{position:relative;width:108px;height:108px}
.ring svg{transform:rotate(-90deg)}
.ring .bg{stroke:var(--surface-3)}
.ring .fg{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .6s cubic-bezier(.2,.8,.2,1)}
.ring .ctr{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:21px}

/* Lista de tareas del día */
.tl-group{font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:11.5px;color:var(--accent);margin:18px 0 8px}
.daytask{display:flex;align-items:center;gap:13px;width:100%;text-align:left;cursor:pointer;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px 16px;margin-bottom:9px;
  transition:transform .12s,border-color .15s,background .15s;color:var(--text);font-family:inherit;font-size:15px}
.daytask:hover{border-color:var(--accent-line)}
.daytask:active{transform:scale(.985)}
.daytask .tk{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:2px solid var(--border-strong);
  display:grid;place-items:center;font-size:14px;color:transparent;transition:all .18s}
.daytask .ti{font-size:19px;flex:0 0 auto}
.daytask .tx{flex:1}
.daytask.done{border-color:var(--accent-line);background:var(--accent-soft)}
.daytask.done .tk{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#04121c}
.daytask.done .tx{color:var(--muted);text-decoration:line-through}

/* Banner día completo */
.day-done{display:none;text-align:center;padding:20px;border-radius:var(--radius);margin:4px 0 18px;
  background:radial-gradient(80% 130% at 50% 0%,var(--accent-soft),transparent 65%);border:1px solid var(--accent-line)}
.day-done.show{display:block;animation:pop .5s}
.day-done .big{font-family:var(--font-display);font-weight:700;font-size:20px}
@keyframes pop{0%{transform:scale(.92);opacity:0}100%{transform:scale(1);opacity:1}}

/* Qué comer hoy (acordeón) */
.eat-today details{background:var(--surface);border:1px solid var(--border);border-radius:14px;margin-bottom:10px;overflow:hidden}
.eat-today summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:15px 16px;font-family:var(--font-display);font-weight:600}
.eat-today summary::-webkit-details-marker{display:none}
.eat-today summary .mi{font-size:20px}
.eat-today summary .mm{margin-left:auto;font-size:12px;color:var(--muted);font-family:var(--font-body);font-weight:500}
.eat-today .ebody{padding:2px 16px 14px;color:#d4dbe6;font-size:14px}
.eat-today .ebody li{margin:6px 0}

/* Calendario de hábito */
.heatmap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.hm-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-family:var(--font-display);font-weight:600}
.hm-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.hm-dow{text-align:center;font-size:10.5px;color:var(--muted-2);text-transform:uppercase;padding-bottom:2px}
.hm-cell{aspect-ratio:1;border-radius:8px;background:var(--surface-3);display:grid;place-items:center;font-size:12px;color:var(--muted-2)}
.hm-cell.empty{background:transparent}
.hm-cell.done{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121c;font-weight:700}
.hm-cell.today{box-shadow:0 0 0 2px var(--accent-line)}

/* Insignias */
.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:12px}
.medal{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 10px}
.medal .mi{font-size:30px;filter:grayscale(1);opacity:.35;transition:all .35s}
.medal .mn{font-family:var(--font-display);font-weight:600;font-size:12px;margin-top:8px;color:var(--muted)}
.medal.on{border-color:var(--accent-line)}
.medal.on .mi{filter:none;opacity:1}
.medal.on .mn{color:var(--text)}
.medal.just .mi{animation:medalPop .6s}
@keyframes medalPop{0%{transform:scale(1)}40%{transform:scale(1.3)}100%{transform:scale(1)}}

/* Confeti */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:130;overflow:hidden}
.confetti i{position:absolute;top:-14px;width:9px;height:14px;border-radius:2px;opacity:.95;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(106vh) rotate(620deg)}}

@media(max-width:420px){.stat-row{grid-template-columns:1fr}}

/* ============================================================
   PROGRESO — gráficas + medidas
   ============================================================ */
.metric-toggle{display:flex;gap:8px;margin-bottom:16px}
.metric-toggle button{flex:1;padding:11px 10px;border-radius:12px;cursor:pointer;font-family:var(--font-display);font-weight:600;font-size:13.5px;
  background:var(--surface);border:1px solid var(--border);color:var(--muted);transition:background .15s,border-color .15s,color .15s}
.metric-toggle button.on{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent)}
.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.chart-top{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:12px;gap:12px;flex-wrap:wrap}
.chart-top .big{font-family:var(--font-display);font-weight:700;font-size:32px;line-height:1}
.chart-top .big small{font-size:15px;color:var(--muted);font-weight:500}
.chart-top .sub{color:var(--muted);font-size:12.5px;margin-top:4px}
.chart-top .delta{font-family:var(--font-display);font-weight:600;font-size:14px;text-align:right}
.chart-top .delta.good{color:var(--ok)} .chart-top .delta.bad{color:var(--warn)}
.chart-top .best{display:inline-block;margin-top:4px;font-size:11.5px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:3px 9px;border-radius:999px}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart .grid{stroke:var(--border);stroke-width:1}
.chart .area{fill:var(--accent-soft)}
.chart .line{fill:none;stroke:var(--accent);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.chart .dot{fill:var(--accent)}
.chart .dotlast{fill:#fff;stroke:var(--accent);stroke-width:3}
.chart .lbl{fill:var(--muted-2);font-size:9px;font-family:var(--font-body)}

/* Formulario agregar medida */
.measure-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.measure-form .full{grid-column:1/-1}
.measure-form label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}
.measure-form input{width:100%;min-width:0;padding:11px 13px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border-strong);
  color:var(--text);font-family:inherit;font-size:15px;outline:none;-webkit-appearance:none;appearance:none}
.measure-form input:focus{border-color:var(--accent-line)}
.measure-form input[type="date"]{min-height:46px}                 /* evita que se desborde en iOS */
.measure-form input[type="date"]::-webkit-date-and-time-value{text-align:left}
.measure-form .btn{justify-content:center}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-links{display:none}
  .nav-burger{display:grid;place-items:center}
  .nav-links.open{display:flex;position:absolute;top:64px;left:14px;right:14px;flex-direction:column;align-items:flex-start;gap:6px;
    padding:14px;background:rgba(10,14,22,.96);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:16px}
  .nav-links.open a{padding:8px 4px;width:100%}
  .phase{grid-template-columns:auto 1fr;gap:16px;padding:20px}
  .phase .pcta{grid-column:1/-1;margin-top:4px}
  .phase .pcta .btn{width:100%;justify-content:center}
  .section{padding:64px 0}
  .card{padding:22px 18px}
}
@media(max-width:440px){
  .gallery{grid-template-columns:1fr 1fr;gap:10px}
  .hero-actions .btn,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .phase .pnum{width:52px;height:52px;font-size:20px;border-radius:15px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}