/* Layout: editorial hero in two columns with an isometric tech ecosystem on the right; asymmetric 7/5 service blocks; a horizontal process line; a split contact band. Dark-first, red only as accent. */
:root {
  --gt-red: #E10600;
  --gt-red-dark: #A80F0A;
  --gt-bg: #0D0D0D;
  --gt-surface: #141416;
  --gt-surface-2: #1C1C20;
  --gt-text: #FFFFFF;
  --gt-text-2: #A1A1AA;
  --gt-border: #26262C;
  --gt-nav-bg: rgba(13,13,13,.78);
  --gt-grid: rgba(255,255,255,.035);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  --maxw: 1200px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --gt-bg: #F6F6F7; --gt-surface: #FFFFFF; --gt-surface-2: #ECECEF;
    --gt-text: #0D0D0D; --gt-text-2: #55555D; --gt-border: #DADADF;
    --gt-nav-bg: rgba(246,246,247,.82); --gt-grid: rgba(0,0,0,.045);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --gt-bg: #F6F6F7; --gt-surface: #FFFFFF; --gt-surface-2: #ECECEF;
  --gt-text: #0D0D0D; --gt-text-2: #55555D; --gt-border: #DADADF;
  --gt-nav-bg: rgba(246,246,247,.82); --gt-grid: rgba(0,0,0,.045);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
/* Evita el desplazamiento lateral producido por el fondo decorativo
   del hero cuando el navegador reserva espacio para la barra vertical. */
html { scroll-behavior: smooth; scroll-padding-top: 84px; overflow-x: clip; }
body {
  overflow-x: clip;
  margin: 0;
  background: var(--gt-bg);
  color: var(--gt-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
}
body::before {
  content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px);
  z-index: 60; background: var(--gt-bg);
}
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--gt-red); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: var(--maxw); margin: 0 auto; }
.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gt-text-2); display: inline-flex; align-items: center; gap: 10px; margin: 0;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--gt-red); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 600 15px/1 var(--font-sans); padding: 15px 22px; border-radius: 6px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background .25s, border-color .25s, transform .25s, color .25s;
}
.btn svg { width: 16px; height: 16px; transition: transform .25s; }
.btn-primary { background: var(--gt-red); color: #fff; }
.btn-primary:hover { background: var(--gt-red-dark); }
.btn-primary:hover svg { transform: translateX(3px); }
.btn-ghost { border-color: var(--gt-border); color: var(--gt-text); background: transparent; }
.btn-ghost:hover { border-color: var(--gt-text-2); background: var(--gt-surface); }
.btn-sm { padding: 11px 16px; font-size: 14px; }

/* Header */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  margin: 0 calc(-1 * var(--gutter-l)) 0 calc(-1 * var(--gutter-r));
  padding: 0 var(--gutter-l) 0 var(--gutter-r);
  background: var(--gt-nav-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gt-border);
}
.nav { max-width: var(--maxw); margin: 0 auto; height: 68px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; font-size: 18px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px; background: var(--gt-surface-2);
  border: 1px solid var(--gt-border); display: grid; place-items: center; position: relative;
}
.brand-mark svg { width: 20px; height: 20px; }
.brand b { color: var(--gt-red); font-weight: 700; }
.nav-links { display: flex; gap: 4px; margin-left: auto; list-style: none; padding: 0; margin-block: 0; }
.nav-links a {
  position: relative; display: block; padding: 8px 12px; font-size: 14px; font-weight: 500;
  color: var(--gt-text-2); transition: color .2s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px;
  background: var(--gt-red); transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.nav-links a:hover { color: var(--gt-text); }
.nav-links a[aria-current="true"] { color: var(--gt-text); }
.nav-links a[aria-current="true"]::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.login-link { font-size: 14px; font-weight: 500; color: var(--gt-text-2); padding: 10px 12px; border-radius: 6px; transition: color .2s, background .2s; }
.login-link:hover { color: var(--gt-text); background: var(--gt-surface); }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px; cursor: pointer;
  background: transparent; border: 1px solid var(--gt-border); color: var(--gt-text); transition: border-color .2s, background .2s;
}
.icon-btn:hover { border-color: var(--gt-text-2); background: var(--gt-surface); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-sun { display: none; }
:root[data-theme="light"] .icon-sun { display: block; }
:root[data-theme="light"] .icon-moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .icon-sun { display: block; }
  :root:not([data-theme="dark"]) .icon-moon { display: none; }
}
.menu-btn { display: none; }
.mobile-panel {
  display: none; max-width: var(--maxw); margin: 0 auto; padding: 8px 0 20px; flex-direction: column; gap: 4px;
}
.mobile-panel a.m-link { padding: 14px 4px; font-size: 18px; font-weight: 500; border-bottom: 1px solid var(--gt-border); }
.mobile-panel .m-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.mobile-panel .btn { width: 100%; }
.site-header.open .mobile-panel { display: flex; }

/* Hero */
.hero { position: relative; padding-block: 72px 96px; }
.hero::before {
  content: ""; position: absolute; inset: 0 calc(-50vw + 50%); z-index: -1;
  background-image:
    linear-gradient(var(--gt-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--gt-grid) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 72%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; }
.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.6rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 800;
  margin: 24px 0 24px; max-width: 14.5ch; text-wrap: balance;
}
.hero h1 em { font-style: normal; color: var(--gt-red); }
.hero p.lead { color: var(--gt-text-2); font-size: clamp(1.05rem, 1.5vw, 1.2rem); max-width: 46ch; margin: 0 0 36px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta {
  margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--gt-border);
  display: flex; flex-wrap: wrap; gap: 8px 28px; font-family: var(--font-mono); font-size: 12px; color: var(--gt-text-2); letter-spacing: .06em;
}
.hero-meta span::before { content: "/"; color: var(--gt-red); margin-right: 8px; }

.eco { width: 100%; max-width: 560px; margin-left: auto; aspect-ratio: 1; }
.eco svg { width: 100%; height: 100%; overflow: visible; }
.eco .ring { fill: none; stroke: var(--gt-border); stroke-width: 1; }
.eco .ring-d { stroke-dasharray: 3 7; }
.eco .link { stroke: var(--gt-text-2); stroke-opacity: .45; stroke-width: 1; fill: none; stroke-dasharray: 4 6; }
.eco .plate-1 { fill: var(--gt-surface-2); stroke: var(--gt-border); }
.eco .plate-2 { fill: var(--gt-surface); stroke: var(--gt-border); }
.eco .plate-3 { fill: var(--gt-surface-2); stroke: var(--gt-red); stroke-width: 1.5; }
.eco .node-ring { fill: var(--gt-bg); stroke: var(--gt-border); }
.eco .node-dot { fill: var(--gt-red); }
.eco .node-box { fill: var(--gt-surface); stroke: var(--gt-border); }
.eco text { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; fill: var(--gt-text-2); }
.eco text.strong { fill: var(--gt-text); font-weight: 500; }
.eco .mono-g { font-family: var(--font-sans); font-weight: 800; font-size: 22px; fill: var(--gt-text); letter-spacing: -.02em; }
.eco .spin-a { transform-origin: 280px 280px; animation: spin 90s linear infinite; }
.eco .spin-b { transform-origin: 280px 280px; animation: spin 140s linear infinite reverse; }
.eco .float { animation: float 7s ease-in-out infinite; }
.eco .flow { animation: dash 2.4s linear infinite; }
.eco .pulse { fill: var(--gt-red); offset-rotate: 0deg; animation: travel 4.5s ease-in-out infinite; }
.eco .pulse.p2 { animation-delay: -1.1s; } .eco .pulse.p3 { animation-delay: -2.2s; } .eco .pulse.p4 { animation-delay: -3.3s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes dash { to { stroke-dashoffset: -20; } }
@keyframes travel { 0% { offset-distance: 0%; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }

/* Entrance (content is visible without JS; this only plays on load) */
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero .eyebrow, .hero h1, .hero p.lead, .hero-cta, .hero-meta { animation: rise .8s cubic-bezier(.2,.7,.2,1) both; }
.hero h1 { animation-delay: .08s; } .hero p.lead { animation-delay: .18s; } .hero-cta { animation-delay: .28s; } .hero-meta { animation-delay: .38s; }
.eco { animation: rise 1.1s .2s cubic-bezier(.2,.7,.2,1) both; }

/* Reveal on scroll: transform only, text is never hidden */
.rv { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.rv.pre { transform: translateY(22px); }

/* Sections */
section.block { padding-block: 104px; }
.sec-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 32px 64px; align-items: end; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.06; letter-spacing: -.03em; font-weight: 700; margin: 18px 0 0; max-width: 16ch; text-wrap: balance; }
.sec-head p { color: var(--gt-text-2); margin: 0; max-width: 48ch; justify-self: end; }

/* Services */
.svc-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
.svc {
  position: relative; background: var(--gt-surface); border: 1px solid var(--gt-border); border-radius: 14px;
  padding: 32px; display: flex; flex-direction: column; gap: 20px; overflow: hidden; min-width: 0;
  transition: border-color .3s, transform .3s, background .3s;
}
.svc:hover { border-color: var(--gt-red); transform: translateY(-4px); }
.svc::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 180px; height: 180px; border-radius: 50%;
  border: 1px solid var(--gt-border); transition: border-color .3s, transform .6s;
}
.svc:hover::after { border-color: var(--gt-red); transform: scale(1.15); }
.svc-a { grid-column: span 7; min-height: 360px; }
.svc-b { grid-column: span 5; }
.svc-c { grid-column: span 5; }
.svc-d { grid-column: span 7; min-height: 360px; }
.svc-a, .svc-d { background: var(--gt-surface-2); }
.svc-icon { width: 48px; height: 48px; color: var(--gt-red); }
.svc-tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; color: var(--gt-text-2); text-transform: uppercase; }
.svc h3 { margin: 0; font-size: clamp(1.4rem, 2.2vw, 1.9rem); line-height: 1.15; letter-spacing: -.02em; font-weight: 700; max-width: 18ch; }
.svc p { margin: 0; color: var(--gt-text-2); max-width: 44ch; }
.svc .need { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--gt-border); font-size: 14px; }
.svc .need b { display: block; font-family: var(--font-mono); font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--gt-red); margin-bottom: 4px; }
.svc .need span { color: var(--gt-text); }

/* About / statement */
.about { border-block: 1px solid var(--gt-border); background: var(--gt-surface); margin-inline: calc(-1 * var(--gutter-l)) calc(-1 * var(--gutter-r)); padding-inline: var(--gutter-l) var(--gutter-r); }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 56px; align-items: center; }
.about h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.05; letter-spacing: -.035em; font-weight: 800; margin: 20px 0 28px; text-wrap: balance; }
.about h2 em { font-style: normal; color: var(--gt-red); }
.about p { color: var(--gt-text-2); max-width: 54ch; margin: 0; }
.venn { width: 100%; max-width: 340px; justify-self: end; }
.venn svg { width: 100%; height: auto; display: block; }
.venn circle { fill: none; stroke: var(--gt-text-2); stroke-opacity: .6; stroke-width: 1; transition: stroke .3s, fill .3s; }
.venn:hover circle { stroke: var(--gt-red); stroke-opacity: 1; }
.venn .core { fill: var(--gt-red); stroke: none; }
.venn text { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; fill: var(--gt-text); }

/* Process */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.steps-line {
  position: absolute; left: 0; right: 0; top: 11px; height: 1px; background: var(--gt-border);
}
.steps-line i { position: absolute; inset: 0; background: var(--gt-red); transform-origin: left; transform: scaleX(1); transition: transform 1.6s cubic-bezier(.3,.7,.2,1); }
.steps-line.pre i { transform: scaleX(0); }
.step { position: relative; padding-top: 44px; min-width: 0; }
.step::before {
  content: ""; position: absolute; top: 0; left: 0; width: 23px; height: 23px; border-radius: 50%;
  background: var(--gt-bg); border: 1px solid var(--gt-red);
}
.step::after { content: ""; position: absolute; top: 8px; left: 8px; width: 7px; height: 7px; border-radius: 50%; background: var(--gt-red); }
.step .n { font-family: var(--font-mono); font-size: 13px; color: var(--gt-red); letter-spacing: .1em; }
.step h3 { margin: 10px 0 12px; font-size: 1.3rem; line-height: 1.2; letter-spacing: -.015em; font-weight: 700; }
.step p { margin: 0; color: var(--gt-text-2); font-size: 15px; }

/* Contact */
.contact { border-top: 1px solid var(--gt-border); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.contact h2 { font-size: clamp(2.1rem, 4.6vw, 3.8rem); line-height: 1.04; letter-spacing: -.035em; font-weight: 800; margin: 20px 0 24px; text-wrap: balance; max-width: 13ch; }
.contact p.lead { color: var(--gt-text-2); max-width: 42ch; margin: 0 0 32px; }
.form { background: var(--gt-surface); border: 1px solid var(--gt-border); border-radius: 14px; padding: 32px; display: grid; gap: 20px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field label { font-size: 13px; font-weight: 600; }
.field input, .field textarea {
  width: 100%; font: 400 16px/1.5 var(--font-sans); color: var(--gt-text); background: var(--gt-bg);
  border: 1px solid var(--gt-border); border-radius: 8px; padding: 13px 14px; transition: border-color .2s;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: var(--gt-text-2); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gt-red); }
.field[data-invalid="true"] input, .field[data-invalid="true"] textarea { border-color: var(--gt-red); }
.err { font-size: 13px; color: var(--gt-red); min-height: 0; margin: 0; }
.err:empty { display: none; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.status { font-size: 14px; margin: 0; color: var(--gt-text-2); }
.status[data-state="ok"] { color: var(--gt-text); }
.status[data-state="error"] { color: var(--gt-red); }
.btn[disabled] { opacity: .6; cursor: progress; }
.spinner { width: 14px; height: 14px; border-radius: 50%; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; animation: spin 0.8s linear infinite; display: none; }
.btn[disabled] .spinner { display: inline-block; }

/* Footer */
footer { border-top: 1px solid var(--gt-border); padding-block: 36px; display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; color: var(--gt-text-2); font-size: 14px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a:hover { color: var(--gt-text); }

/* Responsive */
@media (max-width: 1020px) {
  .nav-links, .nav-actions .login-link, .nav-actions .btn-primary { display: none; }
  .menu-btn { display: grid; }
  .nav-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: minmax(0,1fr); }
  .eco { margin: 24px auto 0; max-width: 480px; }
  .sec-head, .about-grid, .contact-grid { grid-template-columns: minmax(0,1fr); }
  .sec-head p { justify-self: start; }
  .venn { justify-self: start; }
  .steps { grid-template-columns: repeat(2, minmax(0,1fr)); row-gap: 40px; }
  .steps-line { display: none; }
}
@media (max-width: 720px) {
  .hero { padding-block: 40px 64px; }
  section.block { padding-block: 72px; }
  .svc-a, .svc-b, .svc-c, .svc-d { grid-column: 1 / -1; min-height: 0; }
  .svc { padding: 24px; }
  .form { padding: 22px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .steps { grid-template-columns: minmax(0,1fr); }
  .eco .ring-3, .eco .pulse.p3, .eco .pulse.p4, .eco .detail { display: none; }
  .hero-meta { margin-top: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .eco .pulse { display: none; }
  .rv.pre { transform: none; }
}