/* ================================================================
   FACTUCHAT · PULSO DESIGN SYSTEM v1.0
   Single source of truth for all subpages.
   Keep tokens stable. Add component classes below the tokens.
   ================================================================ */

@property --glow { syntax:"<number>"; initial-value:0; inherits:false }
@property --angle { syntax:"<angle>"; initial-value:0deg; inherits:false }

:root {
  /* ---- SURFACE ---- */
  --bg:        #0a0f1a;
  --bg-2:      #0e1424;
  --surf:      #12192d;
  --surf-2:    #1a2340;
  --surf-3:    #222c4d;

  /* ---- INK ---- */
  --txt:       #f3f4f6;
  --txt-2:     #d1d5db;
  --mute:      #9ca3af;
  --mute-2:    #a0a7b4; /* WCAG AA (≥4.5:1) on --bg */
  --mute-3:    #8b93a1; /* WCAG AA (≥4.5:1) for small text on --bg */

  /* ---- PRIMARY (indigo) — brand constant ---- */
  --indigo:    #635bff;
  --indigo-g:  #7c75ff;     /* glow / hover */
  --indigo-d:  #4f46e5;     /* deep / gradient end */
  --indigo-3:  #818cf8;     /* soft surface text */

  /* ---- SIGNAL (reserved meanings — never decorative) ---- */
  --green:     #22c55e;     /* enviado, success, cumplido */
  --green-d:   #16a34a;
  --amber:     #f59e0b;     /* VeriFactu urgency ONLY */
  --red:       #ef4444;     /* strike-through / pain ONLY */

  /* ---- SKIN: Telegrama override hooks ---- */
  --tg-blue:   #2aabee;
  --tg-blue-d: #1b7fb5;

  /* ---- BORDERS ---- */
  --bdr:       rgba(99,91,255,.07);
  --bdr-2:     rgba(99,91,255,.16);
  --bdr-q:     rgba(255,255,255,.06);
  --bdr-x:     rgba(255,255,255,.12);

  /* ---- SHADOWS ---- */
  --sh-sm:     0 2px 4px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --sh-md:     0 4px 12px rgba(0,0,0,.18), 0 2px 4px rgba(0,0,0,.12);
  --sh-lg:     0 12px 32px rgba(0,0,0,.26), 0 4px 12px rgba(0,0,0,.15), 0 0 0 1px rgba(255,255,255,.03);
  --sh-xl:     0 25px 50px -12px rgba(0,0,0,.48), 0 12px 24px rgba(0,0,0,.22), 0 0 0 1px rgba(255,255,255,.04);
  --sh-inner:  inset 0 1px 0 rgba(255,255,255,.04);
  --sh-glow:   0 0 32px rgba(99,91,255,.2), 0 0 64px rgba(99,91,255,.05);
  --sh-glow-g: 0 0 24px rgba(34,197,94,.2), 0 0 48px rgba(34,197,94,.05);

  /* ---- GLASS ---- */
  --glass:     rgba(10,15,26,.82);
  --glass-b:   rgba(255,255,255,.06);

  /* ---- GEOMETRY ---- */
  --r-xs:      .375rem;
  --r-sm:      .625rem;
  --r:         1rem;
  --r-lg:      1.25rem;
  --r-xl:      1.5rem;
  --r-2xl:     1.75rem;
  --r-pill:    999px;
  --max-w:     1200px;
  --max-w-sm:  42rem;
  --max-w-lg:  1360px;
  --nav-h:     3.75rem;

  /* ---- MOTION ---- */
  --ease-out:    cubic-bezier(.25,.46,.45,.94);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-smooth: cubic-bezier(.16,1,.3,1);
  --ease-accel:  cubic-bezier(.55,.05,.68,.53);
  --dur-fast:    180ms;
  --dur:         320ms;
  --dur-slow:    650ms;

  /* ---- TYPE FACES ---- */
  --font:        'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono:   'SF Mono',SFMono-Regular,ui-monospace,Menlo,monospace;
  --font-round:  ui-rounded,system-ui,'SF Pro Rounded','Inter',sans-serif;

  /* ---- NUMERIC SIGNATURE ---- */
  --n-size: 1.08em;
  --n-spacing: -.04em;
}

/* ---- RESET ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color-scheme:dark;text-size-adjust:100%;-webkit-text-size-adjust:100%;--saf-t:env(safe-area-inset-top,0);--saf-b:env(safe-area-inset-bottom,0);--saf-l:env(safe-area-inset-left,0);--saf-r:env(safe-area-inset-right,0)}
body{font-family:var(--font);font-feature-settings:"cv01","ss03","cv05";background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden}
img,svg{display:block;max-width:100%}
svg{flex-shrink:0}
/* CLS prevention: SVGs without explicit width/height default to 1em square
   instead of the 300x150 intrinsic size. Prevents layout shift during parse. */
svg:not([width]):not([height]):not([style*="width"]):not([style*="height"]){width:1em;height:1em}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:none;color:inherit;cursor:pointer}
input,textarea,select{font:inherit}
*:focus-visible{outline:2px solid var(--indigo-3);outline-offset:2px;border-radius:4px}
::selection{background:rgba(99,91,255,.32);color:#fff}
details > summary{list-style:none;cursor:pointer}
details > summary::-webkit-details-marker{display:none}

/* ---- REDUCED MOTION ---- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1!important;transform:none!important}
}

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4{font-weight:700;line-height:1.15;letter-spacing:-.025em;text-wrap:balance}
h1{font-size:clamp(2.5rem,5.5vw,4rem);font-weight:900;letter-spacing:-.035em}
h2{font-size:clamp(1.875rem,3.6vw,2.75rem)}
h3{font-size:clamp(1.125rem,1.8vw,1.375rem);font-weight:600}
h4{font-size:1.0625rem;font-weight:600}
p{color:var(--txt-2);font-size:1.0625rem;line-height:1.65;text-wrap:pretty}
small{font-size:.8125rem;color:var(--mute)}
strong{color:var(--txt);font-weight:600}
code,kbd{font-family:var(--font-mono);font-size:.875em;padding:.125em .375em;border-radius:.25rem;background:rgba(255,255,255,.05);color:var(--indigo-3)}
mark{background:rgba(99,91,255,.18);color:inherit;padding:.0625em .25em;border-radius:.25rem}

.grad{background:linear-gradient(135deg,#fff 0%,var(--indigo-3) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.grad-amber{background:linear-gradient(135deg,#fde68a 0%,var(--amber) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tab{font-variant-numeric:tabular-nums lining-nums}
.mono{font-family:var(--font-mono);font-feature-settings:"tnum","zero"}
.n-nine{font-family:var(--font-mono);font-weight:900;letter-spacing:var(--n-spacing);font-size:var(--n-size)}

/* ---- LAYOUT ATOMS ---- */
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.wrap-sm{max-width:var(--max-w-sm);margin:0 auto;padding:0 1.5rem}
.wrap-lg{max-width:var(--max-w-lg);margin:0 auto;padding:0 1.5rem}
.stack > * + *{margin-top:var(--stack,1rem)}
.cluster{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.center-text{text-align:center}
.grid-2,.grid-3,.grid-4{display:grid;gap:1.25rem}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:860px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.grid-3,.grid-2{grid-template-columns:1fr}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr}}
.ratio{position:relative;width:100%}
.ratio::before{content:"";display:block;padding-top:var(--ratio,56.25%)}
.ratio > *{position:absolute;inset:0}
section{position:relative}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}

/* ---- AMBIENT LAYERS ---- */
.grain{position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.scroll-prog{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--indigo),var(--indigo-3));z-index:101;width:0;transform-origin:left;transition:width .05s linear}
.skip-link{position:absolute;top:-40px;left:0;background:var(--indigo);color:#fff;padding:.5rem 1rem;z-index:10002;font-weight:700;border-radius:0 0 .25rem 0;transition:top .2s}
.skip-link:focus{top:0}

/* ---- NAV ---- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:calc(var(--nav-h) + var(--saf-t));padding-top:var(--saf-t);background:var(--glass);backdrop-filter:blur(16px) saturate(1.8);-webkit-backdrop-filter:blur(16px) saturate(1.8);border-bottom:1px solid var(--glass-b);transition:background .3s var(--ease-out),box-shadow .3s var(--ease-out)}
.nav.scrolled{background:rgba(10,15,26,.96);box-shadow:0 1px 0 rgba(99,91,255,.08),0 4px 24px rgba(0,0,0,.32)}
.nav-in{max-width:var(--max-w);margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 max(1.5rem,var(--saf-l)) 0 max(1.5rem,var(--saf-r));gap:1rem}
.nav-logo{display:flex;align-items:center;gap:.5rem;font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;color:var(--txt);flex-shrink:0}
.nav-logo svg{width:2rem;height:2rem;filter:drop-shadow(0 0 8px rgba(99,91,255,.28));transition:filter .25s}
.nav-logo:hover svg{filter:drop-shadow(0 0 16px rgba(99,91,255,.6))}
.nav-links{display:flex;align-items:center;gap:1.75rem;list-style:none}
.nav-links a{color:var(--mute);font-size:.8125rem;font-weight:500;transition:color .2s;position:relative}
.nav-links a:hover{color:var(--txt)}
.nav-links a[aria-current]{color:var(--txt)}
.nav-links a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-.375rem;height:2px;background:var(--indigo);border-radius:1px}
.nav-burger{display:none;width:2rem;height:2rem;position:relative;z-index:10001}
.nav-burger span{display:block;width:1.125rem;height:1.5px;background:var(--txt);border-radius:1px;position:absolute;left:50%;transform:translateX(-50%);transition:.3s}
.nav-burger span:nth-child(1){top:.625rem}
.nav-burger span:nth-child(2){top:50%;transform:translate(-50%,-50%)}
.nav-burger span:nth-child(3){bottom:.625rem}
.nav-burger.open span:nth-child(1){top:50%;transform:translate(-50%,-50%) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){bottom:auto;top:50%;transform:translate(-50%,-50%) rotate(-45deg)}

/* ---- BUTTONS ---- */
.btn{--h:2.75rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;height:var(--h);padding:0 1.5rem;font:700 .9375rem/1 var(--font);letter-spacing:.02em;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform var(--dur) var(--ease-spring),box-shadow var(--dur) var(--ease-smooth),background .2s,border-color .2s,color .2s}
.btn-sm{--h:2.25rem;padding:0 1.125rem;font-size:.8125rem}
.btn-lg{--h:3.25rem;padding:0 2rem;font-size:1.0625rem}
.btn-primary{background:linear-gradient(135deg,var(--indigo) 0%,var(--indigo-d) 100%);color:#fff;box-shadow:0 2px 8px rgba(99,91,255,.25),0 1px 3px rgba(0,0,0,.1);animation:cta-pulse 9s ease-in-out infinite}
.btn-primary:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 12px 32px rgba(99,91,255,.4),0 4px 12px rgba(99,91,255,.2),0 0 0 1px rgba(99,91,255,.2)}
.btn-primary:active{transform:translateY(0) scale(.98);transition-duration:120ms}
.btn-secondary{background:transparent;color:var(--txt);border-color:var(--bdr-2)}
.btn-secondary:hover{border-color:var(--indigo);background:rgba(99,91,255,.04);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--mute);padding-left:.875rem;padding-right:.875rem}
.btn-ghost:hover{color:var(--txt);background:rgba(255,255,255,.03)}
.btn-tg{background:var(--tg-blue);color:#fff;box-shadow:0 2px 8px rgba(42,171,238,.28)}
.btn-tg:hover{background:#3cb6f2;transform:translateY(-2px);box-shadow:0 10px 28px rgba(42,171,238,.4)}
@keyframes cta-pulse{0%,100%{box-shadow:0 2px 8px rgba(99,91,255,.25),0 1px 3px rgba(0,0,0,.1)}50%{box-shadow:0 2px 20px rgba(99,91,255,.44),0 0 32px rgba(99,91,255,.14)}}
@media(prefers-reduced-motion:reduce){.btn-primary{animation:none}}

/* ---- EYEBROW · CHIP · BADGE ---- */
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--indigo-3);margin-bottom:1rem}
.eyebrow::before{content:"";width:1.75rem;height:2px;background:linear-gradient(90deg,var(--indigo),var(--indigo-3));border-radius:1px}
.eyebrow--amber{color:var(--amber)}
.eyebrow--amber::before{background:linear-gradient(90deg,var(--amber),#fde68a)}
.eyebrow--green{color:var(--green)}
.eyebrow--green::before{background:linear-gradient(90deg,var(--green),var(--indigo-3))}

.chip{display:inline-flex;align-items:center;gap:.375rem;padding:.3125rem .625rem;border-radius:var(--r-pill);background:rgba(255,255,255,.03);border:1px solid var(--bdr-q);font-size:.75rem;color:var(--txt-2);font-weight:500}
.chip svg{width:12px;height:12px;stroke-width:2.5;fill:none}
.chip--indigo{background:rgba(99,91,255,.08);border-color:rgba(99,91,255,.2);color:var(--indigo-3)}
.chip--green{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.22);color:var(--green)}
.chip--amber{background:rgba(245,158,11,.08);border-color:rgba(245,158,11,.25);color:var(--amber)}

.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .625rem;border-radius:var(--r-pill);font-family:var(--font-mono);font-size:.6875rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.badge--tag{color:var(--indigo-3);background:rgba(99,91,255,.08);border:1px solid rgba(99,91,255,.15)}
.badge--win{color:var(--green);background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.2)}
.badge--new{color:var(--amber);background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.22)}

/* ---- CARD ---- */
.card{position:relative;background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r-xl);padding:2rem;transition:transform var(--dur) var(--ease-smooth),box-shadow var(--dur) var(--ease-smooth),border-color var(--dur)}
.card:hover{transform:translateY(-4px);border-color:var(--bdr-2);box-shadow:var(--sh-lg)}
.card[data-glow]:hover{box-shadow:var(--sh-lg),var(--sh-glow)}
.card--accent{background:linear-gradient(180deg,rgba(99,91,255,.06) 0%,var(--surf) 60%);border-color:rgba(99,91,255,.2)}
.card--quiet{padding:1.5rem}

/* ---- CRUMB ---- */
.crumb{padding-top:calc(var(--nav-h) + 2rem);padding-bottom:1rem}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;font-size:.8125rem;color:var(--mute)}
.crumb a{color:var(--indigo-3)}
.crumb a:hover{text-decoration:underline}
.crumb li+li::before{content:"/";margin-right:.5rem;color:var(--mute-2)}
.crumb li[aria-current]{color:var(--txt)}

/* ---- HERO ---- */
.hero{padding:3rem 0 5rem;position:relative;overflow:hidden}
.hero--compact{padding:2rem 0 4rem}
.hero::before{content:"";position:absolute;inset:-10%;pointer-events:none;z-index:-1;background:radial-gradient(ellipse 45% 40% at 18% 30%,rgba(99,91,255,.10),transparent),radial-gradient(ellipse 35% 35% at 80% 25%,rgba(79,70,229,.08),transparent),radial-gradient(ellipse 30% 40% at 50% 75%,rgba(129,140,248,.06),transparent);animation:mesh-drift 20s ease-in-out infinite alternate}
@keyframes mesh-drift{0%{transform:translate(0,0) rotate(0)}50%{transform:translate(2%,-1.5%) rotate(.6deg)}100%{transform:translate(-1.5%,2%) rotate(-.6deg)}}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:-1;background-image:radial-gradient(rgba(99,91,255,.08) 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:radial-gradient(ellipse 55% 55% at 50% 40%,black,transparent);mask-image:radial-gradient(ellipse 55% 55% at 50% 40%,black,transparent)}
.hero-in{text-align:center;max-width:48rem;margin:0 auto;position:relative;z-index:1}
.hero-in h1{margin-bottom:1.125rem}
.hero-sub{font-size:clamp(1rem,1.8vw,1.1875rem);color:var(--mute);max-width:36rem;margin:0 auto 2rem;line-height:1.55}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1.25rem}

/* ---- MATRIX ---- */
.matrix-wrap{overflow-x:auto;border-radius:var(--r-2xl);border:1px solid var(--bdr-2);background:var(--surf);box-shadow:var(--sh-md);-webkit-overflow-scrolling:touch;position:relative}
.matrix{width:100%;min-width:640px;border-collapse:collapse;font-size:.875rem}
.matrix caption{padding:0;margin:0;position:absolute;clip:rect(0,0,0,0)}
.matrix thead th{position:sticky;top:0;background:var(--surf-2);padding:1rem .875rem;text-align:left;font-weight:600;color:var(--mute);font-size:.6875rem;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--bdr-2);white-space:nowrap;z-index:3}
.matrix thead th:first-child{color:var(--txt-2)}
.matrix tbody td,.matrix tbody th{padding:.875rem;border-bottom:1px solid var(--bdr);color:var(--txt-2);white-space:nowrap;font-weight:400;text-align:left}
.matrix tbody th[scope="row"]{font-weight:600;color:var(--txt);position:sticky;left:0;background:var(--surf);z-index:2}
.matrix tbody tr:last-child td,.matrix tbody tr:last-child th{border-bottom:none}
.matrix tbody tr:hover td:not(.col-us){background:rgba(255,255,255,.015)}
.matrix .col-us{background:rgba(99,91,255,.05);color:var(--txt);font-weight:600;border-left:2px solid rgba(99,91,255,.38);border-right:2px solid rgba(99,91,255,.38)}
.matrix thead .col-us{color:var(--indigo-3);font-weight:800;border-top:2px solid rgba(99,91,255,.38)}
.matrix tbody tr:last-child .col-us{border-bottom:2px solid rgba(99,91,255,.38)}
.ck{color:var(--green);font-weight:700}
.no{color:#f87171;opacity:.78}
.pr{font-variant-numeric:tabular-nums;font-weight:600}
.matrix-note{margin-top:1rem;font-size:.75rem;color:var(--mute-2);text-align:center}
.matrix .hint{text-decoration-line:underline;text-decoration-style:dotted;text-decoration-color:rgba(156,163,175,.4);cursor:help;text-underline-offset:3px}

/* ---- POPOVER TOOLTIP (native HTML popover) ---- */
[popover]{position:fixed;inset:auto;max-width:20rem;padding:.875rem 1rem;background:var(--surf-2);border:1px solid var(--bdr-2);border-radius:var(--r);color:var(--txt-2);font-size:.8125rem;line-height:1.5;box-shadow:var(--sh-lg);margin:0}
[popover]:popover-open{animation:pop-in .2s var(--ease-smooth)}
@keyframes pop-in{from{opacity:0;transform:translateY(-6px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}

/* ---- COUNTDOWN ---- */
.countdown{display:inline-flex;align-items:center;gap:.5rem;padding:.4375rem .875rem;border-radius:var(--r-pill);background:linear-gradient(135deg,rgba(245,158,11,.08),rgba(239,68,68,.05));border:1px solid rgba(245,158,11,.25);font-size:.75rem;color:var(--amber);font-weight:600;letter-spacing:.01em;font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.countdown::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px rgba(245,158,11,.6);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---- STAT ---- */
.stat{text-align:center;padding:1.5rem 1rem}
.stat-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(2rem,3.5vw,3rem);font-weight:900;letter-spacing:-.03em;color:var(--indigo-3);line-height:1}
.stat-lbl{margin-top:.375rem;font-size:.75rem;color:var(--mute);font-weight:500;text-transform:uppercase;letter-spacing:.08em}

/* ---- TELEGRAM SURFACE (shared, used inside hero or demo blocks) ---- */
.tg-surface{background:linear-gradient(180deg,#080d17 0%,#0b1220 100%);border:1px solid rgba(255,255,255,.07);border-radius:var(--r-xl);overflow:hidden;max-width:440px;margin:0 auto;box-shadow:0 28px 64px -20px rgba(0,0,0,.6),0 0 32px rgba(42,171,238,.18);position:relative}
.tg-header{background:linear-gradient(180deg,var(--tg-blue),var(--tg-blue-d));padding:.875rem 1rem;display:flex;align-items:center;gap:.625rem}
.tg-avatar{width:2.25rem;height:2.25rem;border-radius:50%;overflow:hidden;background:#fff;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.tg-avatar svg{width:100%;height:100%}
.tg-id{display:flex;flex-direction:column;gap:.125rem;flex:1;min-width:0}
.tg-name{font-family:var(--font-round);font-size:.875rem;font-weight:700;color:#fff}
.tg-online{font-size:.6875rem;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:.3125rem}
.tg-online::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}
.tg-chat{min-height:320px;max-height:480px;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.5rem;scroll-behavior:smooth;background:linear-gradient(180deg,#080d17,#0b1220)}
.tg-chat::-webkit-scrollbar{width:4px}
.tg-chat::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px}
.bub{max-width:85%;padding:.625rem .875rem;border-radius:1rem;font-size:.875rem;line-height:1.45;opacity:0;transform:translateY(.625rem) scale(.95);animation:bub-in .38s var(--ease-spring) forwards;word-break:break-word;position:relative}
@keyframes bub-in{to{opacity:1;transform:translateY(0) scale(1)}}
.bub-u{align-self:flex-end;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border-bottom-right-radius:.3125rem}
.bub-b{align-self:flex-start;background:#1a2340;color:var(--txt-2);border-bottom-left-radius:.3125rem}
.bub-time{display:inline-flex;align-items:center;gap:.25rem;margin-left:.5rem;font-size:.625rem;opacity:.7}
.bub-u .bub-time::after{content:"✓✓";letter-spacing:-2px;color:#a5d1ff}
.bub-invoice{background:linear-gradient(160deg,rgba(22,30,52,.95),rgba(16,22,40,.98));border:1px solid rgba(42,171,238,.18);border-top:2px solid var(--tg-blue);padding:.875rem 1rem;min-width:78%;font-family:var(--font-mono);font-size:.8125rem}
.inv-hd{display:flex;align-items:center;gap:.375rem;font-weight:700;color:var(--tg-blue);margin-bottom:.5rem;letter-spacing:.02em;font-family:var(--font)}
.inv-hd::before{content:"";width:.4375rem;height:.4375rem;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.inv-row{display:flex;justify-content:space-between;padding:.15rem 0;color:var(--mute)}
.inv-row span:last-child{color:var(--txt-2);font-weight:500}
.inv-row.tot{border-top:1px solid rgba(255,255,255,.08);margin-top:.375rem;padding-top:.4375rem;font-weight:700;color:var(--txt)}
.inv-row.tot span:last-child{color:var(--tg-blue)}
.bub-ok{display:inline-flex;align-items:center;gap:.4375rem;font-size:.75rem;font-weight:700;padding:.375rem .75rem;border-radius:.5rem;background:rgba(34,197,94,.1);color:var(--green);border:1px solid rgba(34,197,94,.25);align-self:flex-start}
.bub-qr{align-self:flex-start;background:#fff;padding:.5rem;border-radius:.5rem;animation:bub-in .38s var(--ease-spring) forwards}
.bub-qr svg{width:4.5rem;height:4.5rem}
.typing{display:inline-flex;align-items:center;gap:.2rem;padding:.5rem .625rem;background:#1a2340;border-radius:1rem;align-self:flex-start;opacity:0;animation:bub-in .2s var(--ease-spring) forwards}
.typing-dot{width:.3125rem;height:.3125rem;border-radius:50%;background:rgba(209,213,219,.55);animation:tbounce 1.4s ease-in-out infinite}
.typing-dot:nth-child(2){animation-delay:.2s}
.typing-dot:nth-child(3){animation-delay:.4s}
@keyframes tbounce{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-.3125rem)}}
.tg-compose{display:flex;gap:.5rem;padding:.75rem;background:rgba(255,255,255,.02);border-top:1px solid rgba(255,255,255,.05)}
.tg-compose input{flex:1;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:var(--r-pill);padding:.625rem 1rem;color:var(--txt);font-size:.875rem;transition:border-color .2s,background .2s;min-width:0}
.tg-compose input::placeholder{color:var(--mute)}
.tg-compose input:focus{outline:none;border-color:var(--tg-blue);background:rgba(255,255,255,.07)}
.tg-send{width:2.5rem;height:2.5rem;border-radius:50%;background:var(--tg-blue);color:#fff;display:flex;align-items:center;justify-content:center;transition:transform .15s,background .15s;flex-shrink:0}
.tg-send:hover{background:#3cb6f2;transform:scale(1.06)}
.tg-send svg{width:1.125rem;height:1.125rem}
.tg-quick{display:flex;gap:.375rem;padding:.5rem .75rem .25rem;flex-wrap:wrap;background:rgba(255,255,255,.02);border-top:1px solid rgba(255,255,255,.05)}
.tg-chip{background:rgba(42,171,238,.08);border:1px solid rgba(42,171,238,.2);color:var(--tg-blue);font-size:.75rem;font-weight:600;padding:.3125rem .6875rem;border-radius:var(--r-pill);transition:all .2s}
.tg-chip:hover{background:rgba(42,171,238,.18);transform:translateY(-1px)}

/* ---- VOICE WAVEFORM (demo) ---- */
.bub-voice{display:flex;align-items:center;gap:.5rem;min-width:60%;padding:.5rem .75rem}
.waveform{flex:1;display:flex;align-items:center;gap:2px;height:22px}
.waveform span{display:block;width:2px;border-radius:2px;background:rgba(255,255,255,.7);animation:wave 1.2s ease-in-out infinite}
.waveform span:nth-child(2n){animation-delay:.1s}
.waveform span:nth-child(3n){animation-delay:.2s}
.waveform span:nth-child(5n){animation-delay:.3s}
@keyframes wave{0%,100%{height:3px}50%{height:18px}}
.voice-time{font-family:var(--font-mono);font-size:.6875rem;opacity:.75}

/* ---- RACE ---- */
.lane{background:var(--surf);border:1px solid var(--bdr);border-radius:var(--r);padding:1rem 1.25rem;display:flex;align-items:center;gap:1rem;position:relative;overflow:hidden}
.lane.us{border-color:rgba(99,91,255,.24);background:linear-gradient(90deg,rgba(99,91,255,.04),var(--surf) 60%)}
.lane-label{min-width:6.5rem;font-size:.875rem;font-weight:700;color:var(--txt);display:flex;align-items:center;gap:.375rem}
.lane-track{flex:1;height:.625rem;border-radius:.3125rem;background:rgba(255,255,255,.04);overflow:hidden;position:relative}
.lane-fill{height:100%;width:0;border-radius:.3125rem;transition:width 1.5s var(--ease-smooth)}
.lane.us .lane-fill{background:linear-gradient(90deg,var(--indigo),var(--green))}
.lane.slow .lane-fill{background:linear-gradient(90deg,var(--red),rgba(239,68,68,.5))}
.lane-time{min-width:4rem;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.8125rem;font-weight:700;text-align:right}
.lane.us .lane-time{color:var(--green)}
.lane.slow .lane-time{color:var(--red)}
.lane.won::after{content:"🏆";position:absolute;right:.5rem;top:50%;transform:translateY(-50%) scale(0);animation:trophy .5s var(--ease-spring) forwards;font-size:1.1rem}
@keyframes trophy{to{transform:translateY(-50%) scale(1)}}

/* ---- FAQ ---- */
.faq-list{max-width:42rem;margin:0 auto}
.faq-item{border-bottom:1px solid var(--bdr-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%;padding:1.25rem 0;text-align:left;color:var(--txt);font-size:.9375rem;font-weight:600;transition:color .2s}
.faq-q:hover{color:var(--indigo-3)}
.faq-chev{width:1.125rem;height:1.125rem;flex-shrink:0;color:var(--mute);transition:transform .3s var(--ease-smooth)}
.faq-item[open] .faq-chev{transform:rotate(180deg)}
.faq-a{padding:0 0 1.25rem;font-size:.9375rem;line-height:1.7;color:var(--txt-2);max-width:38rem}

/* ---- CTA CARD ---- */
.cta-card{max-width:56rem;margin:0 auto;padding:3.5rem 2.5rem;text-align:center;border-radius:var(--r-2xl);background:linear-gradient(135deg,rgba(99,91,255,.08) 0%,rgba(79,70,229,.04) 100%);border:1px solid rgba(99,91,255,.2);position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 80% at 50% 100%,rgba(99,91,255,.14),transparent 70%)}
.cta-card > *{position:relative}
.cta-card h2{margin-bottom:.75rem}
.cta-card p{max-width:32rem;margin:0 auto 1.75rem;color:var(--txt-2)}
.cta-micro{margin-top:.875rem;font-size:.8125rem;color:var(--mute)}

/* ---- TOUT ---- */
.tout{padding:1.25rem 1.5rem;border-radius:var(--r-lg);background:rgba(99,91,255,.04);border:1px solid rgba(99,91,255,.18);font-size:.9375rem;color:var(--txt-2);display:flex;align-items:flex-start;gap:.875rem}
.tout svg{flex-shrink:0;width:1.25rem;height:1.25rem;color:var(--indigo-3);margin-top:.125rem}
.tout strong{color:var(--txt)}

/* ---- FOOTER ---- */
.foot{border-top:1px solid var(--bdr-2);padding:4rem max(0px,var(--saf-l)) calc(1.5rem + var(--saf-b)) max(0px,var(--saf-r));background:var(--bg-2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:2rem;margin-bottom:3rem}
.foot-brand p{font-size:.8125rem;color:var(--mute);margin-top:.75rem;max-width:18rem;line-height:1.6}
.foot-col h4{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--mute-2);margin-bottom:1rem;font-family:var(--font-mono)}
.foot-col a{display:block;font-size:.8125rem;color:var(--mute);padding:.25rem 0;transition:color .2s}
.foot-col a:hover{color:var(--txt)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:1px solid var(--bdr);font-size:.75rem;color:var(--mute);flex-wrap:wrap;gap:.75rem}

/* ---- REVEAL UTILITY ---- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity var(--dur-slow) var(--ease-smooth),transform var(--dur-slow) var(--ease-smooth)}
[data-reveal].vis{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.08s}
[data-reveal][data-delay="2"]{transition-delay:.16s}
[data-reveal][data-delay="3"]{transition-delay:.24s}
[data-reveal][data-delay="4"]{transition-delay:.32s}
[data-reveal][data-delay="5"]{transition-delay:.4s}

/* ---- VIEW TRANSITIONS ---- */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:240ms;animation-timing-function:var(--ease-smooth)}

/* ---- MOBILE ---- */
@media(max-width:860px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
  .foot-brand{grid-column:1/-1}
  .foot-bot{flex-direction:column;text-align:center}
}
@media(max-width:768px){
  .nav-links{position:fixed;inset:0;width:100vw;height:100dvh;flex-direction:column;justify-content:center;align-items:center;gap:0;background:var(--bg)!important;padding:2rem 1.5rem;transform:translateX(100%);transition:transform .35s var(--ease-out);z-index:9999;overflow-y:auto}
  .nav-links.open{transform:translateX(0)}
  .nav.menu-open{z-index:10000}
  .nav-links li{width:100%;max-width:320px;text-align:center}
  .nav-links a{display:block;padding:1rem 0;font-size:1.25rem;border-bottom:1px solid var(--bdr)}
  .nav-links a[aria-current]::after{display:none}
  .nav-links .btn{margin-top:1.5rem;width:100%;max-width:280px;padding:1rem 2rem;height:auto;font-size:1rem}
  .nav-burger{display:block}
  .hero{padding:1.5rem 0 3.5rem}
  .cta-card{padding:2.5rem 1.5rem}
}

/* ================================================================
   SKIN: TELEGRAMA — opt-in override when body has data-skin="tg"
   Used on /demo/ campaign landing only.
   ================================================================ */
[data-skin="tg"]{
  --bg:#0c1220;--bg-2:#0f1628;--surf:#151c33;--surf-2:#1a2340;
  --bdr:rgba(42,171,238,.08);--bdr-2:rgba(42,171,238,.18)
}
[data-skin="tg"] .eyebrow{color:var(--tg-blue)}
[data-skin="tg"] .eyebrow::before{background:linear-gradient(90deg,var(--tg-blue),var(--indigo-3))}
[data-skin="tg"] .grad{background:linear-gradient(135deg,#fff 0%,var(--tg-blue) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
[data-skin="tg"] h1,[data-skin="tg"] h2{font-family:var(--font-round);letter-spacing:-.03em}
[data-skin="tg"] .nav-logo svg{filter:drop-shadow(0 0 8px rgba(42,171,238,.35))}
[data-skin="tg"] .nav-links a[aria-current]::after{background:var(--tg-blue)}
[data-skin="tg"] .matrix thead .col-us{color:var(--tg-blue);border-top-color:rgba(42,171,238,.42)}
[data-skin="tg"] .matrix .col-us{background:rgba(42,171,238,.055);border-left-color:rgba(42,171,238,.42);border-right-color:rgba(42,171,238,.42)}
[data-skin="tg"] .matrix tbody tr:last-child .col-us{border-bottom-color:rgba(42,171,238,.42)}
[data-skin="tg"] .cta-card{background:linear-gradient(135deg,rgba(42,171,238,.08) 0%,rgba(99,91,255,.06) 100%);border-color:rgba(42,171,238,.22)}
[data-skin="tg"] .cta-card::before{background:radial-gradient(ellipse 60% 80% at 50% 100%,rgba(42,171,238,.16),transparent 70%)}

/* ================================================================
   LIGHT MODE — Editorial cream theme. Activates when theme-toggle.js
   sets <html data-theme="light">. Without this block the toggle on
   the 226 secondary pages was a visual no-op (only the canonical
   landing index.html had its own light overrides). Same palette as
   public/index.html lines 1156-1175 for cross-site consistency.
   ================================================================ */
[data-theme="light"]{
  --bg:        #f1ece4;       /* warm cream, NOT #fff */
  --bg-2:      #ebe4d8;
  --surf:      #faf6ef;
  --surf-2:    #f1ece2;
  --surf-3:    #ebe4d8;
  --bdr:       rgba(10,10,10,.07);
  --bdr-2:     rgba(10,10,10,.13);
  --txt:       #0a0a0a;
  --txt-2:     #1a1a1a;
  --mute:      #595959;
  --mute-2:    #4a4a4a;
  --mute-3:    #3d3d3d;
  --indigo:    #4f46e5;       /* darker indigo for cream contrast */
  --indigo-g:  #6056e8;
  --indigo-d:  #3f3aaf;
  --indigo-3:  #5b54d8;
  --green:     #15803d;
  --red:       #b91c1c;
  --amber:     #b45309;
}
[data-theme="light"] body{background:var(--bg);color:var(--txt-2)}
[data-theme="light"] section{background:transparent}
[data-theme="light"] .nav{background:rgba(241,236,228,.85);border-bottom-color:rgba(0,0,0,.06)}
[data-theme="light"] .nav.scrolled{background:rgba(241,236,228,.95);box-shadow:0 1px 0 rgba(0,0,0,.04)}
[data-theme="light"] .nav-logo span,[data-theme="light"] .nav a:not(.btn){color:var(--txt)}
[data-theme="light"] .nav-links a{color:var(--txt-2)}
[data-theme="light"] .nav-links a:hover,[data-theme="light"] .nav-links a[aria-current]{color:var(--indigo)}
[data-theme="light"] .nav-burger span{background:var(--txt)}
[data-theme="light"] h1,[data-theme="light"] h2,[data-theme="light"] h3,[data-theme="light"] h4,[data-theme="light"] h5,[data-theme="light"] h6{color:var(--txt)}
[data-theme="light"] p{color:var(--txt-2)}
[data-theme="light"] .grad{background:linear-gradient(135deg,var(--indigo) 0%,var(--indigo-d) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:transparent}
[data-theme="light"] .card,[data-theme="light"] .matrix,[data-theme="light"] .price-card,[data-theme="light"] .cta-card,[data-theme="light"] .feature-card,[data-theme="light"] .blog-card{background:var(--surf);border-color:var(--bdr-2);color:var(--txt-2)}
[data-theme="light"] .card:hover{border-color:rgba(79,70,229,.25)}
[data-theme="light"] .matrix thead{background:var(--surf-2)}
[data-theme="light"] .matrix th,[data-theme="light"] .matrix td{color:var(--txt-2);border-color:var(--bdr)}
[data-theme="light"] .matrix tbody tr:hover{background:var(--surf-3)}
[data-theme="light"] .btn-primary,[data-theme="light"] .btn.btn-primary{background:var(--indigo);color:#fff;border:none}
[data-theme="light"] .btn-primary:hover{background:var(--indigo-d)}
/* Nav CTA: black pill in light theme to match landing top (2026-05-07) */
[data-theme="light"] header.nav .btn-primary,
[data-theme="light"] header.nav .btn.btn-primary,
[data-theme="light"] .nav .btn-primary,
[data-theme="light"] .nav .btn.btn-primary{background:#0a0a0a;color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.14)}
[data-theme="light"] header.nav .btn-primary:hover,
[data-theme="light"] header.nav .btn.btn-primary:hover,
[data-theme="light"] .nav .btn-primary:hover,
[data-theme="light"] .nav .btn.btn-primary:hover{background:#1a1a1a;box-shadow:0 6px 16px rgba(0,0,0,.18)}
[data-theme="light"] .btn-secondary,[data-theme="light"] .btn.btn-secondary{background:transparent;color:var(--txt);border:1px solid var(--bdr-2)}
[data-theme="light"] .footer,[data-theme="light"] .foot{background:var(--bg-2);color:var(--txt-2);border-top-color:var(--bdr)}
[data-theme="light"] .footer a,[data-theme="light"] .foot a{color:var(--txt-2)}
[data-theme="light"] .footer a:hover,[data-theme="light"] .foot a:hover{color:var(--indigo)}
[data-theme="light"] code,[data-theme="light"] pre{background:var(--surf);color:var(--txt);border-color:var(--bdr)}
[data-theme="light"] input,[data-theme="light"] textarea,[data-theme="light"] select{background:var(--surf);color:var(--txt);border-color:var(--bdr-2)}
[data-theme="light"] input:focus,[data-theme="light"] textarea:focus,[data-theme="light"] select:focus{border-color:var(--indigo)}
[data-theme="light"] .eyebrow,[data-theme="light"] .label{color:var(--indigo)}
[data-theme="light"] .crumb,[data-theme="light"] .breadcrumb{color:var(--mute)}
[data-theme="light"] .crumb a,[data-theme="light"] .breadcrumb a{color:var(--txt-2)}