/* tuvotas — secure voting platform | bilingual site */
:root{
  --navy:#2b333f;
  --navy-2:#3a4452;
  --blue:#5a6b82;
  --blue-d:#46566b;
  --teal:#6b8f8e;
  --ink:#33393f;
  --muted:#737d88;
  --line:#dfe3e8;
  --bg:#f4f5f7;
  --bg-soft:#eceef1;
  --gold:#a99668;
  --radius:14px;
  --shadow:0 10px 30px rgba(40,46,54,.08);
  --max:1120px;
  font-synthesis:none;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;-webkit-text-size-adjust:100%;text-size-adjust:100%;
}
input,select,textarea{font-size:16px}  /* evita el zoom automático en iOS */
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section.alt{background:var(--bg-soft)}
h1,h2,h3{line-height:1.18;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.18rem}
p{margin:0 0 1em}
.lead{font-size:1.18rem;color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:700;color:var(--teal);margin-bottom:.8em}
.center{text-align:center}
.muted{color:var(--muted)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--navy)}
.brand:hover{text-decoration:none}
.brand .mark{width:30px;height:30px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--ink);font-weight:600;font-size:.96rem}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-toggle button{border:0;background:transparent;padding:6px 12px;font-weight:700;font-size:.82rem;color:var(--muted);cursor:pointer}
.lang-toggle button.active{background:var(--navy);color:#fff}
.btn{display:inline-block;border-radius:999px;padding:11px 22px;font-weight:700;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d);text-decoration:none}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.btn-lg{padding:14px 30px;font-size:1.02rem}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--navy)}

/* Hero */
.hero{position:relative;background:linear-gradient(160deg,#2b333f 0%,#3a4452 55%,#4a5666 100%);color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 80% 10%,rgba(180,196,200,.10),transparent 45%),
  radial-gradient(circle at 15% 90%,rgba(150,165,185,.14),transparent 40%);pointer-events:none}
.hero .wrap{position:relative;z-index:1;padding:84px 22px 90px}
.hero h1{color:#fff;max-width:14ch}
.hero .lead{color:#c9ced6;max-width:54ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.hero .btn-ghost:hover{border-color:#fff;color:#fff}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:40px;color:#a7aeb8;font-size:.9rem}
.trust-row span{display:flex;align-items:center;gap:8px}

/* Grid cards */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card .ic{width:54px;height:54px;border-radius:50%;background:transparent;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:1.7rem;line-height:1}
.card h3{margin-bottom:.35em}
.card p{color:var(--muted);margin:0;font-size:.98rem}

/* Steps */
.steps{counter-reset:step;display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 24px}
.step:before{counter-increment:step;content:"0" counter(step);font-weight:800;font-size:1.6rem;color:var(--teal);display:block;margin-bottom:10px}
.step h3{margin:0 0 .3em}
.step p{margin:0;color:var(--muted);font-size:.96rem}

/* Pricing */
.price-grid{display:grid;gap:22px;grid-template-columns:repeat(4,1fr);align-items:stretch}
.plan{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow)}
.plan.popular{border:2px solid var(--blue);position:relative}
.plan.popular .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 14px;border-radius:999px}
.plan h3{font-size:1.15rem}
.plan .range{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.plan .price{font-size:2rem;font-weight:800;color:var(--navy)}
.plan .price small{font-size:.85rem;font-weight:600;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;flex:1}
.plan li{padding:7px 0 7px 26px;position:relative;font-size:.94rem;color:var(--ink);border-top:1px solid var(--line)}
.plan li:first-child{border-top:0}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.plan .btn{width:100%;text-align:center}

/* Feature split */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.feature-list{list-style:none;padding:0;margin:0}
.feature-list li{padding:14px 0 14px 40px;position:relative;border-bottom:1px solid var(--line)}
.feature-list li:last-child{border-bottom:0}
.feature-list li:before{content:"";position:absolute;left:0;top:16px;width:24px;height:24px;border-radius:50%;background:var(--bg-soft);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230ea5a4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center}
.feature-list li strong{color:var(--navy)}
.panel{background:linear-gradient(160deg,#2b333f,#46535f);color:#fff;border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.panel h3{color:#fff}
.panel ul{list-style:none;padding:0;margin:0}
.panel li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#cdd9ec;display:flex;gap:10px}
.panel li:last-child{border-bottom:0}
.panel li b{color:#fff}
.panel li{color:#d3d8de}
.page-hero p{color:#c9ced6}
.cta-band p{color:#c9ced6}

/* CTA band */
.cta-band{background:var(--navy);color:#fff;border-radius:20px;padding:48px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#c7d4e8;max-width:60ch;margin:0 auto 24px}

/* Forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--navy)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;color:var(--ink);background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:16px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--blue);font-weight:800}
.faq details[open] summary:after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:16px;margin:0}

/* Footer */
.site-footer{background:var(--navy);color:#aebfd6;padding:54px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.site-footer .brand{color:#fff;margin-bottom:12px}
.site-footer h4{color:#fff;font-size:.95rem;margin:0 0 14px}
.site-footer a{display:block;color:#aebfd6;padding:5px 0;font-size:.92rem}
.site-footer a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem;color:#8298b6}

/* page hero (inner) */
.page-hero{background:linear-gradient(160deg,#2b333f,#46535f);color:#fff;padding:64px 0}
.page-hero h1{color:#fff;margin-bottom:.3em}
.page-hero p{color:#c7d4e8;max-width:60ch;margin:0;font-size:1.1rem}

.badge{display:inline-block;background:var(--bg-soft);color:var(--navy);border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:.8rem;font-weight:700;margin:4px 6px 4px 0}

/* Privacy / token flow */
.steps.flow4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.highlight{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:14px;padding:24px 26px;box-shadow:var(--shadow);max-width:920px;margin:0 auto}
.highlight .hl-ic{font-size:1.7rem;line-height:1.2;flex-shrink:0}
.highlight p{margin:0;color:var(--ink);font-size:1rem}
.highlight strong{color:var(--navy)}

/* KYC levels */
.kyc-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(195px,1fr))}
.kyc-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow)}
.kyc-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:14px}
.kyc-card h3{font-size:1.04rem;margin-bottom:.45em}
.kyc-card p{color:var(--muted);font-size:.92rem;margin:0 0 .9em}
.kyc-for{margin:auto 0 0 !important;padding-top:12px;border-top:1px solid var(--line);color:var(--navy)!important;font-weight:600;font-size:.84rem!important}

/* Responsive */
@media(max-width:900px){
  .grid-3,.grid-4,.steps,.price-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 22px 16px;border-bottom:1px solid var(--line);gap:2px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 4px;width:100%;border-bottom:1px solid var(--line);font-size:1.02rem}
  .nav-links a:last-child{border-bottom:0}
  .menu-btn{display:block;order:3}
  .nav{height:64px}
  .nav-actions{gap:10px}
  .nav-actions .btn-primary{display:none}      /* el CTA ya está en el menú */
  .grid-3,.grid-4,.steps,.price-grid,.grid-2,.field-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section{padding:46px 0}
  .hero .wrap{padding:56px 22px 60px}
  .hero h1{max-width:100%}
  .hero .lead,.page-hero p{font-size:1.04rem}
  .page-hero{padding:48px 0}
  .cta-band{padding:32px 20px}
  .panel,.form-card{padding:24px}
  .hero-cta{gap:10px}
  .hero-cta .btn,.cta-band .btn{width:100%;text-align:center}
  .trust-row{gap:12px 18px;margin-top:30px}
  .lead{font-size:1.05rem}
}
@media(max-width:420px){
  .wrap{padding:0 16px}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .foot-bottom{flex-direction:column;gap:6px}
  .section{padding:40px 0}
  .card,.step{padding:22px 20px}
  h1{font-size:1.85rem}
}