:root{
  --bg:#f6f8fb;
  --paper:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#dbe3ee;
  --soft:#eef3f8;
  --blue:#2563eb;
  --blue-dark:#1e3a8a;
  --max:1160px;
  --nav:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav);
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:22px;max-width:1320px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{height:42px;width:auto}
.brand-text strong{display:block;font-size:15px;color:var(--ink);line-height:1.1;white-space:nowrap}
.brand-text span{display:block;margin-top:4px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:800;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:13px;font-weight:800}
.nav-links a:hover{color:var(--blue)}
.nav-cta{height:42px;padding:0 20px;border-radius:999px;background:var(--ink);color:white;display:inline-flex;align-items:center;font-size:13px;font-weight:900}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);background:white;border-radius:12px;font-size:20px;color:var(--ink)}
.mobile{display:none;position:fixed;top:var(--nav);left:0;right:0;z-index:999;background:white;border-bottom:1px solid var(--line);padding:12px 20px 22px}
.mobile.open{display:block}
.mobile a{display:block;padding:13px;border-radius:10px;color:var(--ink);font-weight:800}
.mobile a:hover{background:var(--soft)}
.hero{padding:calc(var(--nav) + 84px) 0 80px;background:linear-gradient(180deg,#ffffff 0%,#f4f8fc 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:76px;align-items:center}
.eyebrow{display:inline-flex;padding:8px 13px;border:1px solid var(--line);background:white;border-radius:999px;color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.hero h1{margin-top:24px;font-size:clamp(42px,6vw,74px);line-height:.96;letter-spacing:-.055em;font-weight:900;color:var(--ink)}
.hero h1 span{display:block;color:var(--blue)}
.role{margin-top:20px;font-size:24px;font-weight:850;color:#1f2937;letter-spacing:-.025em}
.hero-desc{margin-top:24px;max-width:640px;color:var(--muted);font-size:17px;line-height:1.75}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn{min-height:52px;padding:0 22px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.18)}
.btn-secondary{background:white;color:var(--ink);border-color:var(--line)}
.stats{display:flex;gap:30px;margin-top:36px;flex-wrap:wrap}
.stat strong{display:block;font-size:28px;color:var(--ink);font-weight:900;letter-spacing:-.04em}
.stat span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.portrait-card{background:white;border:1px solid var(--line);border-radius:32px;padding:22px;box-shadow:0 26px 70px rgba(15,23,42,.10)}
.portrait{border-radius:24px;overflow:hidden;background:#e5e7eb;aspect-ratio:4/5}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:center top}
.section{padding:82px 0;border-bottom:1px solid var(--line)}
.section-head{max-width:820px;margin:0 auto 36px;text-align:center}
.kicker{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.title{font-size:clamp(32px,4vw,52px);letter-spacing:-.045em;line-height:1.05;font-weight:900;color:var(--ink)}
.title span{color:var(--blue)}
.subtitle{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.72}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:white;border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 16px 40px rgba(15,23,42,.04)}
.card h3{font-size:20px;color:var(--ink);margin-bottom:12px;letter-spacing:-.02em}
.card p,.card li{font-size:14px;color:var(--muted);line-height:1.75}
.card ul{padding-left:18px;margin-top:14px}
.tag{display:inline-flex;padding:7px 10px;border-radius:999px;background:#eff6ff;color:var(--blue);border:1px solid #bfdbfe;font-size:11px;font-weight:900;text-transform:uppercase;margin-bottom:14px}
.timeline{display:grid;gap:14px}
.step{position:relative;background:white;border:1px solid var(--line);border-radius:22px;padding:22px 22px 22px 82px}
.step:before{content:attr(data-year);position:absolute;left:20px;top:20px;width:44px;height:44px;border-radius:14px;background:var(--ink);color:white;display:grid;place-items:center;font-size:11px;font-weight:900}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.metric{background:white;border:1px solid var(--line);border-radius:18px;padding:18px;text-align:center}
.metric strong{display:block;color:var(--blue);font-size:28px;font-weight:900}
.metric span{display:block;margin-top:6px;color:var(--muted);font-size:11px;font-weight:850;text-transform:uppercase}
.eq-panel{max-width:860px;margin:34px auto 0;background:white;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:0 20px 50px rgba(15,23,42,.06);text-align:left}
.eq-panel h3{font-size:20px;margin-bottom:16px;color:var(--ink)}
.big-eq{font-family:"Courier New",monospace;font-size:clamp(24px,3.6vw,42px);font-weight:800;color:var(--ink);text-align:center;padding:22px;border-radius:18px;background:#f8fafc;border:1px solid var(--line);overflow:auto}
.big-eq span{color:var(--blue)}
.eq-panel p{margin-top:18px;color:var(--muted);line-height:1.75}
.formula{margin-top:14px;padding:13px 14px;border-radius:14px;background:#f8fafc;border:1px solid var(--line);font-family:"Courier New",monospace;color:var(--ink);font-weight:700;overflow:auto;white-space:nowrap}
.footer{background:white;border-top:1px solid var(--line);padding:28px 0}
.footer-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center}
.footer-nav{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px;font-weight:800}
.copy{text-align:right;color:var(--muted);font-size:13px;line-height:1.45}
@media(max-width:1040px){
  .hero-grid,.grid2{grid-template-columns:1fr}
  .hero-grid{gap:38px}
  .portrait-card{max-width:460px;margin:0 auto}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:1fr 1fr}
  .nav-links{gap:14px;font-size:12px}
}
@media(max-width:860px){
  :root{--nav:64px}
  .nav-links,.nav-cta{display:none}
  .menu-btn{display:grid;place-items:center}
  .brand img{height:38px}
  .brand-text strong{max-width:155px;overflow:hidden;text-overflow:ellipsis}
  .brand-text span{display:none}
  .hero{padding:calc(var(--nav) + 44px) 0 56px}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:24px}
  .hero-copy{display:contents}
  .eyebrow{order:1;justify-self:start}
  .hero h1{order:2;font-size:clamp(40px,12vw,58px)}
  .role{order:3;font-size:21px;margin-top:6px}
  .hero-desc{display:none}
  .portrait-card{order:4;width:100%;padding:12px;border-radius:24px}
  .portrait{border-radius:18px;max-height:520px}
  .hero-actions{order:5;margin-top:6px}
  .stats{order:6;margin-top:6px}
  .section{padding:62px 0}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .footer .brand{justify-content:center}
  .footer-nav{justify-content:center}
  .copy{text-align:center}
}
@media(max-width:620px){
  .container{padding:0 18px}
  .grid3,.grid4{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .actions,.hero-actions{align-items:stretch}
  .btn{width:100%}
  .stats{display:none}
  .portrait{max-height:none}
}


/* Refinamiento visual: centrado y consistencia de secciones */
.section-head .actions,
#ecuacion0 .actions,
#contacto .actions,
#proyectos > .container > .actions,
#waycard > .container > .actions {
  justify-content: center !important;
  align-items: center !important;
}

.hero .actions,
.hero-actions {
  justify-content: flex-start !important;
}

#ecuacion0 .eq-panel {
  margin-left: auto !important;
  margin-right: auto !important;
}

#ecuacion0 .actions {
  max-width: 900px;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-top: 34px !important;
}

#contacto .section-head,
#contacto .subtitle {
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

#contacto .actions {
  margin-left: auto !important;
  margin-right: auto !important;
}

#proyectos > .container > .actions,
#waycard > .container > .actions {
  margin-left: auto !important;
  margin-right: auto !important;
  margin-top: 34px !important;
}

.big-eq {
  letter-spacing: 0 !important;
  line-height: 1.25 !important;
  white-space: normal !important;
  word-break: normal !important;
}

.eq-panel p[style*="text-align:center"] {
  text-align: center !important;
}

@media (max-width: 860px) {
  .hero .actions,
  .hero-actions {
    justify-content: center !important;
  }
}

.eq-lim {
  color: inherit !important;
  display: inline-block;
  margin-right: .18em;
}
.eq-lim sub {
  font-size: .42em;
  vertical-align: -0.25em;
}




/* Regulatory cards: compact version */
.regulatory-basic{
  margin-bottom:24px;
}
.regulatory-basic .card p + p{
  margin-top:10px;
}
.regulatory-basic .card strong{
  color:var(--ink);
}


/* Footer bottom + patents 3x3 refinement */
html, body{
  min-height:100%;
}
body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{
  flex:1 0 auto;
}
.footer{
  flex-shrink:0;
}

.patents-grid-3x3{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:20px;
  margin-top:34px;
}
.patents-grid-3x3 .card{
  min-height:230px;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
}
.patents-grid-3x3 .card h3{
  font-size:19px;
  line-height:1.18;
}
.patents-grid-3x3 .card p{
  font-size:14px;
}
.patents-grid-3x3 .tag{
  align-self:flex-start;
}
@media(max-width:980px){
  .patents-grid-3x3{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}
@media(max-width:620px){
  .patents-grid-3x3{
    grid-template-columns:1fr;
  }
  .patents-grid-3x3 .card{
    min-height:auto;
  }
}


/* Clean patents awards layout */
.patents-grid-3x3{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:20px;
  margin-top:34px;
}
.patents-grid-3x3 .card{
  min-height:210px !important;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  text-align:left;
}
.patents-grid-3x3 .card h3{
  font-size:20px;
  line-height:1.18;
}
.patents-grid-3x3 .card p{
  font-size:14px;
  line-height:1.65;
}
.patents-grid-3x3 .tag{
  align-self:flex-start;
}
@media(max-width:980px){
  .patents-grid-3x3{grid-template-columns:repeat(2, minmax(0, 1fr));}
}
@media(max-width:620px){
  .patents-grid-3x3{grid-template-columns:1fr;}
  .patents-grid-3x3 .card{min-height:auto !important;}
}


/* Patents 4 + 4 awards layout */
.patents-grid-4x4{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
  margin-top:34px;
}
.patents-grid-4x4 .card{
  min-height:220px !important;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  text-align:left;
}
.patents-grid-4x4 .card h3{
  font-size:19px;
  line-height:1.18;
}
.patents-grid-4x4 .card p{
  font-size:13.5px;
  line-height:1.62;
}
.patents-grid-4x4 .tag{
  align-self:flex-start;
  font-size:10.5px;
}
@media(max-width:1180px){
  .patents-grid-4x4{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}
@media(max-width:620px){
  .patents-grid-4x4{
    grid-template-columns:1fr;
  }
  .patents-grid-4x4 .card{
    min-height:auto !important;
  }
}


/* Patents title + larger 4x4 refinement */
#patentes .container{
  max-width:1320px;
}
#patentes .section-head{
  max-width:900px;
}
#patentes .title{
  max-width:920px;
  margin-left:auto;
  margin-right:auto;
}
#patentes .subtitle{
  max-width:860px;
}
.patents-grid-4x4{
  grid-template-columns:repeat(4, minmax(0, 1fr)) !important;
  gap:24px !important;
  margin-top:44px !important;
}
.patents-grid-4x4 .card{
  min-height:270px !important;
  padding:30px !important;
  border-radius:26px !important;
}
.patents-grid-4x4 .card h3{
  font-size:22px !important;
  line-height:1.13 !important;
  letter-spacing:-.035em !important;
  margin-top:4px;
}
.patents-grid-4x4 .card p{
  font-size:15px !important;
  line-height:1.68 !important;
}
.patents-grid-4x4 .tag{
  font-size:11px !important;
  padding:8px 12px !important;
  border-radius:999px !important;
  max-width:100%;
  white-space:normal;
}
@media(max-width:1180px){
  .patents-grid-4x4{
    grid-template-columns:repeat(2, minmax(0, 1fr)) !important;
  }
  .patents-grid-4x4 .card{
    min-height:230px !important;
  }
}
@media(max-width:620px){
  .patents-grid-4x4{
    grid-template-columns:1fr !important;
  }
  .patents-grid-4x4 .card{
    min-height:auto !important;
    padding:24px !important;
  }
}