/* Somos Fluxa — sitio público. Tokens de marca: docs/design/DESIGN_SYSTEM.md */
:root{
  --navy:#0B1F44; --navy-2:#12284D; --navy-3:#1F3A66;
  --teal:#00C2B3; --teal-700:#00877D; --sky:#5AC8FA;
  --mist:#F4F7FA; --slate:#64748B; --white:#FFFFFF;
  --bg:#FFFFFF; --bg-alt:#F4F7FA; --surface:#FFFFFF; --border:#E2E8F0;
  --text:#0B1F44; --muted:#4B5B73; --link:#00877D;
  --success:#047857; --success-bg:#E6F7F1; --warning:#B45309; --warning-bg:#FEF3E2; --danger:#B91C1C; --danger-bg:#FDECEC; --info:#0369A1; --info-bg:#E6F4FD;
  --font-title:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r-sm:6px; --r-md:10px; --r-lg:16px;
  --shadow-sm:0 1px 2px rgba(11,31,68,.06),0 1px 3px rgba(11,31,68,.08);
  --shadow-md:0 8px 24px rgba(11,31,68,.10);
  --wrap:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--font-title);line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.25rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
code,pre{font-family:var(--font-mono);font-size:.875rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 12px;border-radius:var(--r-sm);z-index:100}
.skip:focus{left:8px}
.muted{color:var(--muted)}
.center{text-align:center}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.center .lead{margin-left:auto;margin-right:auto}
.eyebrow{display:inline-block;font:600 .8rem/1 var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--teal-700);margin-bottom:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font:800 1.3rem var(--font-title);color:var(--navy);text-decoration:none}
.brand-light{color:#fff}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--text);text-decoration:none;font-weight:500;font-size:.95rem;padding:8px 12px;border-radius:var(--r-sm)}
.nav a:hover{background:var(--bg-alt)}
.nav a[aria-current="page"]{color:var(--teal-700)}
.nav a.btn{color:var(--navy);margin-left:8px}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:var(--r-sm);width:44px;height:44px;cursor:pointer}
.bars,.bars::before,.bars::after{display:block;width:20px;height:2px;background:var(--navy);margin:0 auto;position:relative;transition:transform .2s}
.bars::before,.bars::after{content:"";position:absolute;left:0}
.bars::before{top:-6px}.bars::after{top:6px}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--border);padding:12px 20px 20px;display:none;box-shadow:var(--shadow-md)}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .nav a.btn{margin:8px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem/1 var(--font-body);padding:14px 22px;border-radius:var(--r-md);border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary{background:var(--navy);color:#fff}
.btn-accent{background:var(--teal);color:var(--navy)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--border)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-sm{padding:10px 16px;font-size:.92rem}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.center .actions{justify-content:center}

/* Sections */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--navy);color:#E8EEF7}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .lead,.section-dark .muted{color:#B6C3D9}
.section-head{margin-bottom:48px}
@media (max-width:700px){.section{padding:64px 0}}

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 85% -10%,rgba(0,194,179,.22),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(90,200,250,.18),transparent 60%),var(--navy);color:#E8EEF7;padding:96px 0 104px}
.hero h1{color:#fff;max-width:820px}
.hero .lead{color:#C4D0E3;font-size:1.25rem}
.hero .hl{color:var(--teal)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}.hero{padding:72px 0 80px}}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(0,194,179,.14);border:1px solid rgba(0,194,179,.35);color:#9FF0E8;font-size:.85rem;font-weight:600;padding:6px 12px;border-radius:999px;margin-bottom:22px}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(0,194,179,.25)}
.trust{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:28px;color:#B6C3D9;font-size:.92rem;padding:0;list-style:none}
.trust li::before{content:"✓ ";color:var(--teal);font-weight:700}

/* Flow visual */
.flow{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:24px;display:grid;gap:12px}
.flow-row{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:14px 16px}
.flow-ico{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font:700 .85rem var(--font-title);flex:none;color:#fff}
.flow-row b{color:#fff;display:block;font-size:.98rem}
.flow-row small{color:#9FB0CB}
.flow-arrow{text-align:center;color:var(--teal);font-size:1.1rem;line-height:1}
.tag{margin-left:auto;font:600 .72rem var(--font-mono);padding:4px 8px;border-radius:6px;white-space:nowrap}
.tag-ok{background:rgba(52,211,153,.15);color:#6EE7B7}
.tag-info{background:rgba(90,200,250,.15);color:#93DBFC}

/* Grid & cards */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-sm)}
.card h3{margin-top:4px}
.card p:last-child{margin-bottom:0}
.section-dark .card{background:var(--navy-2);border-color:var(--navy-3);box-shadow:none}
.ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--info-bg);color:var(--info);margin-bottom:14px}
.ico svg{width:22px;height:22px}
.ico-teal{background:#E0F7F5;color:var(--teal-700)}
.section-dark .ico{background:rgba(0,194,179,.14);color:var(--teal)}

/* Steps */
.steps{counter-reset:s;display:grid;gap:24px;grid-template-columns:repeat(3,1fr);list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;position:relative;padding:28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border)}
.steps li::before{content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font:700 1rem var(--font-title);margin-bottom:14px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* Problem/compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare .card ul{margin:0;padding-left:1.1em}
.compare .card li{margin-bottom:8px}
.card-bad{border-top:4px solid #F87171}
.card-good{border-top:4px solid var(--teal)}
@media (max-width:760px){.compare{grid-template-columns:1fr}}

/* Code */
.code{background:#071530;color:#D7E3F4;border-radius:var(--r-lg);padding:22px;overflow:auto;border:1px solid var(--navy-3);line-height:1.6}
.code .k{color:#5AC8FA}.code .s{color:#6EE7B7}.code .c{color:#7C8DA8}.code .n{color:#FBBF24}

/* Pricing */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
@media (max-width:1060px){.plans{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.plans{grid-template-columns:1fr}}
.plan{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;position:relative}
.plan.featured{border:2px solid var(--teal);box-shadow:var(--shadow-md)}
.plan .badge-top{position:absolute;top:-13px;left:24px;background:var(--teal);color:var(--navy);font-weight:700;font-size:.78rem;padding:4px 10px;border-radius:999px}
.price{font:800 2.1rem/1 var(--font-title);margin:10px 0 2px}
.price small{font:500 .9rem var(--font-body);color:var(--muted)}
.founder-price{font-size:.9rem;color:var(--teal-700);font-weight:600;margin-bottom:16px;min-height:1.4em}
.plan ul{list-style:none;padding:0;margin:0 0 24px;flex:1}
.plan li{padding:7px 0;border-bottom:1px dashed var(--border);font-size:.95rem}
.plan li:last-child{border-bottom:0}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--r-lg);background:#fff}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.95rem}
th,td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left}
th{background:var(--bg-alt);font-weight:600}
tbody tr:last-child td{border-bottom:0}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--border);border-radius:var(--r-md);background:#fff;margin-bottom:12px}
.faq summary{cursor:pointer;padding:18px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:700 1.3rem/1 var(--font-title);color:var(--teal-700)}
.faq details[open] summary::after{content:"−"}
.faq details>div{padding:0 20px 18px;color:var(--muted)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--navy),#123366);color:#fff;border-radius:24px;padding:56px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta-band h2{color:#fff}
.cta-band p{color:#C4D0E3}
@media (max-width:860px){.cta-band{grid-template-columns:1fr;padding:36px 24px}}

/* Ladder (campaña) */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rung{border-radius:var(--r-lg);padding:26px;background:#fff;border:1px solid var(--border);position:relative}
.rung .lvl{font:700 .78rem var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:var(--teal-700)}
.rung.hot{border:2px solid var(--teal)}
.rung .gets{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);font-size:.95rem}
@media (max-width:860px){.ladder{grid-template-columns:1fr}}

/* Form */
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-md)}
.progress{display:flex;gap:8px;margin-bottom:24px}
.progress span{flex:1;height:6px;border-radius:999px;background:var(--border)}
.progress span.on{background:var(--teal)}
.field{margin-bottom:18px}
.field label,.field legend{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}
.field .hint{font-size:.85rem;color:var(--muted);margin-top:4px}
.field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid #CBD5E1;border-radius:var(--r-md);background:#fff;color:var(--text)}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,194,179,.25)}
fieldset.field{border:0;padding:0;margin:0 0 18px}
.choices{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (max-width:520px){.choices{grid-template-columns:1fr}}
.choice{display:flex;align-items:center;gap:10px;border:1px solid #CBD5E1;border-radius:var(--r-md);padding:11px 12px;cursor:pointer;font-size:.95rem}
.choice:has(input:checked){border-color:var(--teal);background:#E0F7F5}
.choice input{accent-color:var(--teal-700);width:18px;height:18px;flex:none}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.check input{margin-top:3px;accent-color:var(--teal-700);width:18px;height:18px;flex:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
.alert{border-radius:var(--r-md);padding:14px 16px;font-size:.95rem;margin-bottom:16px}
.alert-error{background:var(--danger-bg);color:var(--danger)}
.alert-info{background:var(--info-bg);color:var(--info)}
.alert-ok{background:var(--success-bg);color:var(--success)}
[hidden]{display:none!important}
.copy-row{display:flex;gap:8px}
.copy-row input{flex:1;font:500 .9rem var(--font-mono);padding:12px;border:1px solid #CBD5E1;border-radius:var(--r-md);min-width:0}

/* Article */
.article{max-width:760px;margin:0 auto}
.article h2{font-size:1.6rem;margin-top:1.8em}
.article h3{margin-top:1.4em}
.article li{margin-bottom:6px}
.article table{min-width:0}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.meta-line{color:var(--muted);font-size:.9rem;margin-bottom:28px}
.note{background:var(--bg-alt);border-left:4px solid var(--teal);padding:16px 20px;border-radius:0 var(--r-md) var(--r-md) 0;margin:24px 0}
.draft{background:var(--warning-bg);color:var(--warning);padding:14px 18px;border-radius:var(--r-md);font-weight:600}
.guide-card{display:block;text-decoration:none;color:inherit}
.guide-card:hover h3{color:var(--teal-700)}
.soon{display:inline-block;font-size:.75rem;font-weight:700;color:var(--info);background:var(--info-bg);padding:3px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}

/* Footer */
.site-footer{background:#071530;color:#B6C3D9;padding:64px 0 28px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.site-footer a{color:#D7E3F4;text-decoration:none}
.site-footer a:hover{color:var(--teal)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.foot-h{font:700 .85rem var(--font-body);text-transform:uppercase;letter-spacing:.08em;color:#fff;margin-bottom:14px}
.muted-light{color:#8FA1BE;margin-top:12px}
.foot-note{border-top:1px solid #1F3A66;margin-top:40px;padding-top:20px;font-size:.82rem;color:#7C8DA8}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Manual del usuario (/ayuda/) */
.help-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.help-layout .article{margin:0;max-width:760px}
.help-nav{position:sticky;top:96px;font-size:.92rem;border-right:1px solid var(--border);padding-right:20px}
.help-nav ul{list-style:none;margin:0 0 18px;padding:0}
.help-nav li{margin:0}
.help-nav a{display:block;padding:5px 10px;border-radius:var(--r-sm);color:var(--muted);text-decoration:none}
.help-nav a:hover{color:var(--text);background:var(--bg-alt)}
.help-nav a[aria-current="page"]{color:var(--teal-700);background:var(--bg-alt);font-weight:600}
.help-nav-home{font-weight:700;color:var(--text)!important;padding-left:10px!important;margin-bottom:14px}
.help-nav-section{font:600 .75rem/1 var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin:0 0 6px 10px}
.help-index-title{font-size:1.3rem;margin:40px 0 16px}
.help-next{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--border);margin-top:48px;padding-top:20px;font-size:.95rem}
.steps-list>li{margin-bottom:12px}
.kbd{font:500 .85em var(--font-mono);background:var(--bg-alt);border:1px solid var(--border);border-radius:4px;padding:1px 6px}
@media (max-width:900px){
  .help-layout{grid-template-columns:1fr;gap:24px}
  .help-nav{position:static;order:2;border-right:0;border-top:1px solid var(--border);padding:20px 0 0}
}

/* Animaciones (assets/site-motion.js). Solo se oculta algo bajo .motion, que
   pone el <head> cuando no se pidió reducir el movimiento y GSAP cargó. */
.motion .hero h1{visibility:hidden}
.motion .hero .pill,.motion .hero .lead,.motion .hero .actions,.motion .hero .trust,.motion .hero .hero-grid>div>p:not(.lead),
.motion .flow-row,.motion .flow-arrow,
.motion main .section-head>*,.motion main .grid>*,.motion main .plans>*,.motion main .steps>*,.motion main .compare>*,
.motion main .section .hero-grid>*,.motion main .cta-band{opacity:0;visibility:hidden}
.fx-line{padding-bottom:.08em}
.hero>.wrap{position:relative;z-index:1}
.hero-orb{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:0}
.hero-orb-a{width:420px;height:420px;right:-80px;top:-120px;background:rgba(0,194,179,.28)}
.hero-orb-b{width:360px;height:360px;left:-120px;bottom:-160px;background:rgba(90,200,250,.22)}

/* Tipografía cinética */
.kinetic{background:var(--navy);color:#fff;overflow:hidden;padding:96px 0;display:grid;gap:8px}
.kinetic-line{margin:0;padding:0 20px;font:800 clamp(2.6rem,9vw,8.5rem)/1.05 var(--font-title);letter-spacing:-.03em;will-change:transform}
.kinetic-line span{color:var(--teal);padding:0 .25em}
.kinetic-outline{color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.35)}
.kinetic-outline span{color:transparent;-webkit-text-stroke:1.5px rgba(0,194,179,.6)}
.motion .kinetic-line{white-space:nowrap;padding:0}
@media (max-width:700px){.kinetic{padding:64px 0}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}