@charset "utf-8";
/* site.css — shared styles for index.html (English) and es.html (Spanish). */
:root{
  --bg:#F5F9FD;
  --bg-warm:#FAFBFD;
  --ink:#1A2B4A;
  --ink-soft:#3a4a66;
  --ink-mute:#697791;
  --rule:#E5ECF4;
  --rule-strong:#D3DEEC;
  --sky:#7AA7D9;
  --sky-deep:#3B5BA5;
  --cta:#C2603E;
  --cta-hover:#A94E31;
  --accent:var(--sky);
  --accent-deep:var(--sky-deep);
  --serif:"Instrument Serif", "Iowan Old Style", "Georgia", serif;
  --sans:"Geist","Söhne","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"Geist Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --max:1120px;
  --pad:max(24px, 5vw);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-weight:400;line-height:1.55;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;}
body{font-size:16.5px;}
::selection{background:color-mix(in oklab, var(--accent) 35%, transparent);color:var(--ink)}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent-deep)}
button{font-family:inherit}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.narrow{max-width:760px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* Top bar */
.topbar{position:sticky;top:0;z-index:30;
  background:color-mix(in oklab, var(--bg) 85%, transparent);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;transition:border-color .2s ease;}
.topbar.scrolled{border-bottom-color:var(--rule)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px;}
.wordmark{font-family:var(--sans);font-weight:500;font-size:18px;
  letter-spacing:-.01em;color:var(--ink);display:inline-flex;align-items:center;gap:10px}
.wordmark:hover{color:var(--ink)}
.wordmark .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);
  display:inline-block;flex:0 0 8px}
.topbar nav{display:flex;gap:28px;align-items:center;color:var(--ink-mute);
  font-size:13.5px;letter-spacing:.005em}
.topbar nav a{transition:color .15s ease}
.topbar nav a:hover{color:var(--ink)}
.topbar .btn-mini{font-size:13px;font-weight:500;padding:9px 15px;border-radius:7px;
  background:var(--cta);color:#fff;transition:background-color .15s ease}
.topbar .btn-mini:hover{background:var(--cta-hover);color:#fff}
@media (max-width:820px){
  .topbar nav{display:none}
}

/* Language switch (English | Español) — sits next to the top-bar button */
.topbar-actions{display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;align-items:center;gap:8px;font-size:13px;
  color:var(--ink-mute);letter-spacing:.005em}
.lang-switch a{padding:6px 2px;transition:color .15s ease}
.lang-switch a:hover{color:var(--ink)}
.lang-switch a[aria-current="page"]{color:var(--ink);font-weight:500}
.lang-switch .lang-sep{color:var(--rule-strong)}
.lang-short{display:none}
/* Short labels (EN | ES) only where the top bar is crowded: next to the
   section links on mid-size screens, and on narrow phones. */
@media (max-width:1040px){
  .lang-full{display:none}
  .lang-short{display:inline}
}
@media (max-width:820px){
  .lang-full{display:inline}
  .lang-short{display:none}
}
@media (max-width:480px){
  .lang-full{display:none}
  .lang-short{display:inline}
}
/* Smallest phones: tighten the top bar so the button stays on one line. */
@media (max-width:380px){
  .topbar-actions{gap:10px}
  .lang-switch{gap:6px}
  .topbar .btn-mini{padding:8px 11px;font-size:12.5px}
}
/* Spanish nav labels are longer, so the section links fold away sooner. */
@media (max-width:900px){
  html[lang="es"] .topbar nav{display:none}
}

/* Eyebrow */
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent-deep);
  display:inline-flex;align-items:center;gap:10px;margin:0 0 28px}
.eyebrow::before{content:"";display:inline-block;width:24px;height:1px;
  background:var(--accent-deep);opacity:.55}

/* Headlines */
h1,h2,h3{font-weight:500;letter-spacing:-.02em;color:var(--ink);
  text-wrap:balance;margin:0}
h1{font-size:clamp(40px, 6.4vw, 76px);line-height:1.04;letter-spacing:-.028em}
h2{font-size:clamp(30px, 4vw, 46px);line-height:1.1;letter-spacing:-.022em}
h3{font-size:clamp(20px, 2.2vw, 24px);line-height:1.25;letter-spacing:-.012em}

.em-italic{font-family:var(--serif);font-style:italic;font-weight:400;
  letter-spacing:-.012em;color:var(--ink)}

p{margin:0;color:var(--ink-soft);font-size:17.5px;line-height:1.65;text-wrap:pretty}
.lede{font-size:19px;color:var(--ink-soft)}

section{padding:clamp(64px, 9vw, 120px) 0;position:relative}
section + section{border-top:1px solid var(--rule)}

/* Hero */
.hero{padding-top:clamp(48px, 7vw, 88px);padding-bottom:clamp(56px, 8vw, 104px);
  position:relative;overflow:hidden}
.hero-meta{display:flex;align-items:center;gap:14px;margin-bottom:28px;
  color:var(--ink-mute);font-size:13px;font-family:var(--mono);
  letter-spacing:.05em}
.hero-meta .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 0 color-mix(in oklab, var(--accent) 60%, transparent);
  animation:pulse 2.4s ease-out infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 color-mix(in oklab, var(--accent) 50%, transparent)}
  70%{box-shadow:0 0 0 14px color-mix(in oklab, var(--accent) 0%, transparent)}
  100%{box-shadow:0 0 0 0 color-mix(in oklab, var(--accent) 0%, transparent)}
}
.hero h1{max-width:15ch}
.hero h1 .nowrap{white-space:nowrap}
/* Spanish headline runs longer; ease the minimum size on phones. */
html[lang="es"] .hero h1{font-size:clamp(34px, 6.4vw, 76px)}
.hero-sub{margin-top:24px;max-width:56ch;font-size:19px;line-height:1.55;
  color:var(--ink-soft)}
.hero-cta{margin-top:32px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}

/* Buttons */
.btn{appearance:none;border:0;cursor:pointer;font-family:inherit;
  font-size:14.5px;font-weight:500;letter-spacing:-.005em;
  padding:14px 22px;border-radius:8px;display:inline-flex;align-items:center;gap:10px;
  transition:transform .15s ease, background-color .15s ease, color .15s ease, box-shadow .15s ease;}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:var(--cta-hover);color:#fff;transform:translateY(-1px);
  box-shadow:0 6px 18px -8px rgba(169,78,49,.45)}
body.cta-ink .btn-primary{background:var(--ink)}
body.cta-ink .btn-primary:hover{background:#0f1d36;
  box-shadow:0 6px 18px -8px rgba(26,43,74,.45)}
.btn-ghost{background:transparent;color:var(--ink);padding:14px 0}
.btn-ghost:hover{color:var(--accent-deep)}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}

.underlined{position:relative;display:inline-block}
.underlined::after{content:"";position:absolute;left:0;right:0;bottom:.05em;
  height:1px;background:var(--accent);opacity:.7;transform-origin:left;
  animation:drawline 1.4s cubic-bezier(.2,.7,.2,1) .4s both}
@keyframes drawline{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* Two-path split */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
@media (max-width:980px){.paths{grid-template-columns:1fr 1fr}
  .paths .path:nth-child(3){grid-column:1 / -1}}
@media (max-width:780px){.paths{grid-template-columns:1fr}
  .paths .path:nth-child(3){grid-column:auto}}
.path{background:#fff;border:1px solid var(--rule);border-radius:14px;
  padding:40px 36px 36px;display:flex;flex-direction:column;gap:16px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position:relative}
.path:hover{transform:translateY(-2px);
  border-color:color-mix(in oklab, var(--accent) 50%, var(--rule));
  box-shadow:0 14px 40px -22px rgba(59,91,165,.25)}
.path.lead{border-color:color-mix(in oklab, var(--sky-deep) 35%, var(--rule))}
.path .path-tag{font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent-deep)}
.path h3{font-size:clamp(22px, 2.4vw, 27px);letter-spacing:-.015em}
.path p{font-size:16.5px;flex:1}
.path .card-link{display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--accent-deep);margin-top:4px}
.path .card-link .arrow{transition:transform .2s ease}
.path:hover .card-link .arrow{transform:translateX(4px)}

/* How it works — 3 steps */
.steps{display:grid;grid-template-columns:repeat(3, 1fr);gap:0;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin-top:56px}
@media (max-width:780px){.steps{grid-template-columns:1fr}}
.step{padding:36px 30px 34px;position:relative;border-right:1px solid var(--rule)}
.step:last-child{border-right:0}
@media (max-width:780px){
  .step{border-right:0;border-bottom:1px solid var(--rule)}
  .step:last-child{border-bottom:0}
}
.step .step-num{display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;font-weight:500;font-size:13px;
  color:#fff;margin-bottom:16px}
.step:nth-child(1) .step-num{background:var(--sky)}
.step:nth-child(2) .step-num{background:var(--sky-deep)}
.step:nth-child(3) .step-num{background:var(--ink)}
.step h4{font-size:19px;font-weight:500;margin:0 0 10px;letter-spacing:-.01em;color:var(--ink)}
.step p{font-size:15.5px;line-height:1.6;color:var(--ink-mute)}
.step .arrowhead{position:absolute;right:-7px;top:50%;width:12px;height:12px;
  transform:translateY(-50%);color:var(--accent);opacity:.7}
@media (max-width:780px){.step .arrowhead{display:none}}

/* Showcase screenshots */
.showcase{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:72px;
  align-items:center;margin-top:56px;padding:48px 0 8px}
@media (max-width:880px){.showcase{grid-template-columns:1fr;gap:40px;padding-top:24px}}
.showcase-copy{max-width:46ch}
.showcase-copy .card-tag{margin-bottom:14px;display:inline-block}
.showcase-copy h3{font-size:clamp(22px, 2.4vw, 28px);margin-bottom:14px}
.showcase-copy p{font-size:17px;line-height:1.65;margin-bottom:20px}
.showcase-screens{display:flex;gap:28px;align-items:flex-start;
  justify-content:flex-end;flex-shrink:0}
@media (max-width:880px){.showcase-screens{justify-content:center}}
@media (max-width:520px){.showcase-screens{gap:14px}}
.screen{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px}
.screen img{display:block;width:240px;max-width:38vw;height:auto;border-radius:22px;
  box-shadow:0 1px 0 rgba(255,255,255,.6) inset,
             0 30px 60px -30px rgba(26,43,74,.35),
             0 12px 28px -18px rgba(59,91,165,.25);
  background:#fff}
.screen-offset{transform:translateY(36px)}
@media (max-width:880px){.screen-offset{transform:none}}
.screen figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-mute)}
.card-tag{font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-mute)}
.card-link{display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--accent-deep)}

/* Value props */
.props{display:grid;grid-template-columns:repeat(3, 1fr);gap:24px;margin-top:56px}
@media (max-width:780px){.props{grid-template-columns:1fr}}
.prop{background:#fff;border:1px solid var(--rule);border-radius:14px;
  padding:34px 30px 30px;display:flex;flex-direction:column;gap:14px}
.prop .prop-num{font-family:var(--mono);font-size:12px;color:var(--accent-deep);
  letter-spacing:.1em}
.prop h3{font-size:21px;letter-spacing:-.012em}
.prop p{font-size:15.5px;line-height:1.6;color:var(--ink-mute);flex:1}

/* Evidence */
.evidence{display:grid;grid-template-columns:1fr 1fr;gap:36px;
  margin:8px 0 0;padding:32px 0;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
@media (max-width:780px){.evidence{grid-template-columns:1fr;gap:28px;padding:24px 0}}
.evidence blockquote,.evidence-stat{margin:0;padding:0 28px 0 0}
.evidence-stat{padding-left:28px;border-left:1px solid var(--rule)}
@media (max-width:780px){
  .evidence blockquote{padding:0 0 24px;border-bottom:1px solid var(--rule)}
  .evidence-stat{padding:0;border-left:0}
}
.evidence p{font-size:17px;line-height:1.55;color:var(--ink);margin:0 0 12px}
.evidence strong{color:var(--accent-deep);font-weight:600}
.evidence cite{font-style:normal;font-family:var(--mono);font-size:11px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute)}

/* Mirai proof */
.proof{margin-top:64px;padding:40px 36px;background:#fff;
  border:1px solid var(--rule);border-radius:16px}
@media (max-width:640px){.proof{padding:28px 24px}}
.proof-head{max-width:58ch;margin-bottom:28px}
.proof-head h3{font-size:clamp(21px, 2.4vw, 26px);margin-bottom:12px}
.proof-head p{font-size:16.5px;color:var(--ink-soft)}
.proof-stats{display:grid;grid-template-columns:repeat(4, 1fr);gap:24px;
  padding-top:24px;border-top:1px solid var(--rule)}
@media (max-width:780px){.proof-stats{grid-template-columns:repeat(2, 1fr)}}
.proof-stat .n{font-family:var(--serif);font-style:italic;font-size:clamp(26px,3vw,34px);
  color:var(--ink);line-height:1.1}
.proof-stat .l{margin-top:6px;font-size:13.5px;line-height:1.45;color:var(--ink-mute)}
.proof-foot{margin-top:22px;font-size:14px;color:var(--ink-mute)}
.inline-link{color:var(--ink);text-decoration:none;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:100% 1px;background-repeat:no-repeat;
  background-position:0 100%;padding-bottom:1px;
  transition:color .15s ease, background-size .25s ease}
.inline-link:hover{color:var(--accent-deep);background-size:100% 2px}

/* Validation strip */
.validation{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
@media (max-width:680px){.validation{grid-template-columns:1fr}}
.val{padding:24px 26px;border:1px solid var(--rule);border-radius:14px;background:var(--bg-warm)}
.val .n{font-family:var(--serif);font-style:italic;font-size:34px;color:var(--ink)}
.val .l{margin-top:6px;font-size:14px;line-height:1.5;color:var(--ink-mute)}
.val-note{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;
  color:var(--ink-mute);line-height:1.6}

/* Trust cycle */
.flow-label{font-size:16px;color:var(--accent-deep);margin:64px 0 14px}
.flow-foot{margin-top:18px;font-size:15px;color:var(--accent-deep);text-align:center}
.flow{display:grid;grid-template-columns:repeat(4, 1fr);gap:0;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
@media (max-width:780px){.flow{grid-template-columns:1fr}}
.flow-step{padding:32px 28px 30px;position:relative;border-right:1px solid var(--rule)}
.flow-step:last-child{border-right:0}
@media (max-width:780px){
  .flow-step{border-right:0;border-bottom:1px solid var(--rule)}
  .flow-step:last-child{border-bottom:0}
}
.flow-step .flow-num{display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;font-weight:500;font-size:13px;
  color:#fff;background:var(--ink);margin-bottom:14px}
.flow-step:nth-child(1) .flow-num{background:color-mix(in oklab, var(--sky) 80%, #fff)}
.flow-step:nth-child(2) .flow-num{background:var(--sky)}
.flow-step:nth-child(3) .flow-num{background:var(--sky-deep)}
.flow-step:nth-child(4) .flow-num{background:var(--ink)}
.flow-step h4{font-size:18px;font-weight:500;margin:0 0 8px;letter-spacing:-.01em;color:var(--ink)}
.flow-step p{font-size:14px;line-height:1.5;color:var(--ink-mute);margin:0}
.flow-step .arrowhead{position:absolute;right:-7px;top:50%;
  width:12px;height:12px;transform:translateY(-50%);color:var(--accent);opacity:.7}
@media (max-width:780px){.flow-step .arrowhead{display:none}}

/* Responsible AI */
.guard-lead{max-width:640px;margin:0 0 12px}
.guard-lead p{font-size:18px;line-height:1.65}
.guard-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:0;
  border:1px solid var(--rule-strong);border-radius:16px;overflow:hidden;
  background:#fff;margin-top:48px}
@media (max-width:680px){.guard-grid{grid-template-columns:1fr}}
.guard{padding:28px 30px 26px;border-bottom:1px solid var(--rule)}
.guard:nth-child(odd){border-right:1px solid var(--rule)}
.guard:nth-last-child(1){border-bottom:0}
.guard:nth-last-child(2){border-bottom:0}
@media (max-width:680px){
  .guard:nth-child(odd){border-right:0}
  .guard:nth-last-child(2){border-bottom:1px solid var(--rule)}
}
.guard h4{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:600;
  letter-spacing:-.008em;color:var(--ink);margin:0 0 8px}
.guard h4 .g-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 7px}
.guard p{font-size:14.5px;line-height:1.55;color:var(--ink-mute)}
.guard-callout{margin-top:28px;padding:6px 0 6px 26px;
  border-left:2px solid var(--accent);max-width:680px}
.guard-callout p{font-family:var(--serif);font-style:italic;font-weight:400;
  font-size:clamp(20px, 2.2vw, 24px);line-height:1.45;letter-spacing:-.005em;
  color:var(--ink);margin:0}

/* Mission line above contact */
#contact{padding-top:clamp(40px, 5vw, 64px)}
#responsible{padding-bottom:clamp(48px, 6vw, 80px)}
.mission-line{margin:0 0 48px;padding:0 0 40px;border-bottom:1px solid var(--rule)}
.mission-line p{font-size:clamp(24px, 3vw, 32px);font-family:var(--serif);
  font-style:italic;line-height:1.45;color:var(--ink);max-width:30ch}

/* Contact */
.contact-intro{max-width:560px;margin:0 0 40px}
.contact-intro p{font-size:18px;color:var(--ink-soft)}

form.contact{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:680px}
form.contact .full{grid-column:1 / -1}
@media (max-width:640px){form.contact{grid-template-columns:1fr}}

.field label{display:block;font-family:var(--mono);font-size:11px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px}
.field input,.field textarea{width:100%;background:transparent;
  border:0;border-bottom:1px solid var(--rule-strong);padding:12px 0 14px;
  font-family:var(--sans);font-size:16.5px;color:var(--ink);
  outline:none;transition:border-color .2s ease;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#a8b2c3}
.field input:focus,.field textarea:focus{border-bottom-color:var(--accent-deep)}
.field textarea{min-height:120px;line-height:1.55}

.form-row{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:20px;margin-top:8px}
.form-status{font-size:13.5px;color:var(--ink-mute)}
.form-status.ok{color:#1f7a4a}
.form-status.err{color:#b3324a}

.footer-meta{margin-top:96px;padding-top:32px;border-top:1px solid var(--rule);
  display:flex;justify-content:space-between;align-items:baseline;
  color:var(--ink-mute);font-size:13px;flex-wrap:wrap;gap:16px;
  font-family:var(--mono);letter-spacing:.04em}
.footer-meta a.footer-link{color:var(--ink-mute);text-decoration:none;transition:color .15s ease}
.footer-meta a.footer-link:hover{color:var(--ink)}
.footer-meta .security-link{display:inline-flex;align-items:center;min-height:40px;min-width:40px}
.footer-meta .security-link:focus-visible{outline:2px solid var(--accent-deep);outline-offset:4px;border-radius:2px}

/* Reveal-on-scroll */
.reveal{opacity:0;transform:translateY(14px);
  transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .underlined::after{animation:none}
  .hero-meta .pulse{animation:none}
}

html{scroll-behavior:smooth}

/* Accent variants (Tweaks) */
body.theme-mono{--accent:#1A2B4A;--accent-deep:#1A2B4A}
body.theme-deep{--accent:#3B5BA5;--accent-deep:#1A2B4A}