/*
 * Sistema visual derivado de la maqueta validada como referencia estructural.
 * Sin fuentes externas, motion avanzado ni dependencias de terceros.
 */
:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --surface: #171717;
  --accent: #65f4ab;
  --ink: #fafafa;
  --ink-soft: #cccccc;
  --ink-muted: #858585;
  --line: rgba(255, 255, 255, 0.11);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --h1: clamp(2.35rem, 1.6rem + 3.7vw, 4.8rem);
  --h2: clamp(1.8rem, 1.35rem + 2vw, 3rem);
  --h3: clamp(1.15rem, 1rem + 0.5vw, 1.45rem);
  --body: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
  --small: 0.88rem;
  --space-xs: 0.5rem;
  --space-sm: 0.8rem;
  --space-md: 1.25rem;
  --space-lg: 1.8rem;
  --space-xl: clamp(2rem, 3vw, 3.5rem);
  --section-y: clamp(4.5rem, 8vw, 8.5rem);
  --container: 1280px;
  --radius: 6px;
  --nav-height: 4.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-soft);
  font: 400 var(--body)/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; }
h1, h2, h3 { margin: 0; color: var(--ink); line-height: 1.08; letter-spacing: -0.025em; text-wrap: balance; }
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); max-width: 24ch; }
h3 { font-size: var(--h3); }
p { margin: 0; text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.container--narrow { max-width: 780px; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 9999; padding: 0.65rem 1rem; background: var(--ink); color: var(--bg); border-radius: var(--radius); }

.nav { position: fixed; inset: 0 0 auto; z-index: 100; min-height: var(--nav-height); background: rgba(10, 10, 10, 0.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.nav__inner { width: min(100% - 2rem, var(--container)); min-height: var(--nav-height); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.nav__logo { color: var(--ink); font: 600 0.85rem/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; text-decoration: none; }
.nav__desktop { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); margin: 0; padding: 0; list-style: none; }
.nav__link { color: var(--ink-soft); font-size: var(--small); text-decoration: none; }
.nav__link:hover { color: var(--accent); }
.nav__link--cta { display: inline-flex; padding: 0.55rem 1rem; border: 1px solid var(--accent); border-radius: var(--radius); color: var(--accent); }
.hamburger { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: var(--ink); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.hamburger__line { width: 24px; height: 2px; background: currentColor; }
.nav-mobile[hidden] { display: none; }
.nav-mobile { padding: 1rem; border-top: 1px solid var(--line); background: var(--bg); }
.nav-mobile .nav__list, .nav-mobile__list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.nav-mobile a { display: block; padding: 0.9rem; color: var(--ink); text-decoration: none; }

.hero { min-height: 100svh; display: flex; align-items: center; position: relative; padding: calc(var(--nav-height) + 3rem) 0 3rem; overflow: hidden; }
.hero-gradient { position: absolute; inset: 0; background: radial-gradient(circle at 76% 40%, rgba(101, 244, 171, 0.12), transparent 32%), var(--bg); }
.hero__layout { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr); align-items: center; gap: clamp(2rem, 6vw, 7rem); }
.hero__kicker, .section-label { margin-bottom: var(--space-md); color: var(--accent); font: 500 0.76rem/1.5 var(--mono); letter-spacing: 0.055em; text-transform: uppercase; }
.hero__title { max-width: 17ch; }
.hero__title em { color: var(--accent); font-style: normal; }
.hero__subtitle { max-width: 62ch; margin-top: var(--space-lg); font-size: clamp(1.05rem, 1rem + 0.45vw, 1.3rem); }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: var(--space-xl); }
.hero__microcopy { max-width: 65ch; margin-top: var(--space-md); color: var(--ink-muted); font-size: var(--small); }
.hero__portrait { width: min(28vw, 330px); aspect-ratio: 1; margin-inline: auto; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: radial-gradient(circle at 40% 35%, #263a32, #111 66%); box-shadow: 0 0 0 1.5rem rgba(101, 244, 171, 0.025); }
.hero__monogram { color: var(--accent); font: 500 clamp(2rem, 6vw, 5rem)/1 var(--mono); letter-spacing: -0.08em; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0.75rem 1.3rem; border: 1px solid transparent; border-radius: var(--radius); font-weight: 650; line-height: 1.2; text-align: center; text-decoration: none; }
.btn--primary { background: var(--accent); color: #07130d; }
.btn--outline { border-color: rgba(255,255,255,.24); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--accent); color: var(--accent); }
.btn--large { padding: 0.9rem 1.7rem; }
.btn--small { align-self: flex-start; margin-top: auto; font-size: var(--small); }

.divider { height: 1px; margin: 0; border: 0; background: linear-gradient(90deg, var(--accent) 0 4rem, var(--line) 4rem); }
.section { padding-block: var(--section-y); }
.section--dark { background: var(--bg-soft); }
.section-intro { max-width: 68ch; margin-top: var(--space-lg); }
.services-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; margin-top: var(--space-xl); }
.card { grid-column: span 4; min-height: 340px; display: flex; flex-direction: column; gap: var(--space-md); padding: clamp(1.4rem, 2.5vw, 2.2rem); border-top: 4px solid var(--line); background: var(--surface); }
.card:first-child { grid-column: span 5; border-color: var(--accent); }
.card:nth-child(2) { grid-column: span 7; }
.card:nth-child(3) { grid-column: 4 / span 6; min-height: 290px; }
.card__text { max-width: 55ch; }
.card__meta { color: var(--accent); font: 500 var(--small)/1.4 var(--mono); }
.section-action { margin-top: var(--space-xl); }
.text-link { color: var(--accent); text-underline-offset: 0.3em; }

.timeline { position: relative; max-width: 900px; margin: var(--space-xl) 0 0; padding: 0; list-style: none; }
.timeline::before { content: ""; position: absolute; left: 2.2rem; top: 0; bottom: 0; width: 1px; background: var(--line); }
.timeline__step { position: relative; display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.2rem; padding-bottom: 2rem; }
.timeline__number { position: relative; color: var(--accent); font: 700 1.55rem/1 var(--mono); }
.timeline__step p { max-width: 65ch; margin-top: 0.5rem; }
.method-note { max-width: 65ch; margin: 2.5rem 0 1.5rem; color: var(--ink); }

.about-panel { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.about-panel p + .btn { margin-top: 1.5rem; }
.cta-section { padding-block: var(--section-y); text-align: center; background: var(--bg-soft); }
.cta-section .section-label { text-align: center; }
.cta-section__title, .cta-section__text { margin-inline: auto; }
.cta-section__text { max-width: 60ch; margin-top: 1.4rem; margin-bottom: 2rem; }

.footer { padding: 3rem 0 1.5rem; border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer__inner { width: min(100% - 2rem, var(--container)); margin-inline: auto; display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.footer__name { color: var(--ink); font-size: 1.2rem; font-weight: 700; }
.footer__tagline { max-width: 48ch; margin-top: 0.5rem; color: var(--ink-muted); }
.footer__nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0.55rem 1rem; }
.footer__link { color: var(--ink-soft); font-size: var(--small); text-decoration: none; }
.footer__link:hover { color: var(--accent); }
.footer__bottom { width: min(100% - 2rem, var(--container)); margin: 2rem auto 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ink-muted); font-size: 0.78rem; }

.content-shell { min-height: 70vh; padding: calc(var(--nav-height) + 5rem) 0 6rem; }
.content-header { margin-bottom: 2rem; }
.entry-content { color: var(--ink-soft); }
.entry-content > * + * { margin-top: 1.25rem; }
.entry-content a, .entry-card a { color: var(--accent); }
.entry-card { padding-block: 2rem; border-top: 1px solid var(--line); }
.entry-card h2 { margin-bottom: 0.8rem; }
.entry-media { margin: 0 0 2rem; }
.error-page .btn { margin-top: 2rem; }

@media (max-width: 900px) {
  .nav__desktop { display: none; }
  .hamburger { display: flex; }
  .hero__layout { grid-template-columns: 1fr; }
  .hero__portrait { display: none; }
  .card, .card:first-child, .card:nth-child(2), .card:nth-child(3) { grid-column: span 12; min-height: auto; }
  .about-panel { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  :root { --nav-height: 4rem; }
  .hero { min-height: auto; padding-top: calc(var(--nav-height) + 4rem); }
  .actions, .actions .btn { width: 100%; }
  .timeline__step { grid-template-columns: 3.5rem 1fr; }
  .timeline::before { left: 1.65rem; }
  .footer__inner { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

@media print {
  .nav { position: static; }
  .hamburger, .nav-mobile, .hero-gradient { display: none !important; }
  body { background: #fff; color: #111; }
  h1, h2, h3 { color: #111; }
}

/* Home demo comercial 1.1 — adaptación fiel del framework premium aprobado. */
:root {
  --bg-2: #111111;
  --bg-3: #1a1a1a;
  --bg-card: #151515;
  --accent-2: #ffcb1b;
  --ink-mute: #737373;
  --space-2xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  --padding-x: clamp(1rem, 3vw, 3rem);
  --meta: clamp(0.7rem, 0.65rem + 0.15vw, 0.8rem);
}
.demo-notice { position: fixed; inset: 0 0 auto; z-index: 120; padding: .42rem var(--padding-x); background: var(--accent-2); color: #0a0a0a; text-align: center; font: 700 var(--meta)/1.35 var(--mono); }
.demo-notice + .nav { top: 2rem; }
.demo-notice ~ .nav-mobile { padding-top: 2rem; }
.home .hero { padding-top: calc(var(--nav-height) + 5rem); }
.nav { height: var(--nav-height); transition: background .2s ease; }
.nav.is-scrolled { background: rgba(10,10,10,.97); }
.nav__dropdown { position: relative; }
.nav__dropdown-menu { position: absolute; top: 100%; left: 50%; min-width: 245px; padding: .5rem; border: 1px solid var(--line); border-radius: 6px; background: var(--bg-2); opacity: 0; pointer-events: none; transform: translate(-50%,8px); transition: opacity .2s ease, transform .2s ease; }
.nav__dropdown:hover .nav__dropdown-menu, .nav__dropdown:focus-within .nav__dropdown-menu { opacity: 1; pointer-events: auto; transform: translate(-50%,0); }
.nav__dropdown-item { display: block; padding: .6rem .8rem; color: var(--ink-soft); font-size: var(--small); text-decoration: none; }
.nav__dropdown-item:hover, .nav__dropdown-item:focus-visible { color: var(--accent); background: rgba(101,244,171,.08); }
.nav-mobile { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; background: var(--bg); clip-path: inset(0 0 100% 0); transition: clip-path .45s ease; }
.nav-mobile[aria-hidden="false"] { clip-path: inset(0); }
.nav-mobile__list { text-align: center; gap: 1rem; }
.nav-mobile__link { font-size: var(--h3); }
.hamburger.is-active .hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger.is-active .hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hero-gradient { background: radial-gradient(600px at var(--mx,50%) var(--my,50%), rgba(101,244,171,.09), transparent 50%), radial-gradient(800px at calc(var(--mx,50%) + 15%) calc(var(--my,50%) - 10%), rgba(255,203,27,.04), transparent 50%), var(--bg); filter: blur(40px) saturate(150%); }
.hero__text { max-width: 62ch; margin-top: var(--space-md); }
.hero__photo-wrapper { position: relative; display: flex; align-items: center; justify-content: center; }
.hero__photo-glow { position: absolute; width: 120%; height: 120%; border-radius: 50%; background: radial-gradient(circle,rgba(101,244,171,.08),transparent 70%); }
.hero__photo { position: relative; width: clamp(210px,22vw,360px); aspect-ratio: 1; object-fit: cover; object-position: center top; border: 2px solid var(--line); border-radius: 50%; }
.text--mono { font-family: var(--mono); font-size: var(--meta); letter-spacing: .04em; text-transform: uppercase; }
.text--accent { color: var(--accent); }
.text--muted { color: var(--ink-mute); }
.text--meta { color: var(--ink-mute); font-size: var(--meta); }
.mt-md { margin-top: var(--space-md); }.mt-lg { margin-top: var(--space-lg); }.mt-xl { margin-top: var(--space-xl); }.mb-sm { margin-bottom: var(--space-sm); }.mb-xl { margin-bottom: var(--space-xl); }
.section-heading { margin-left: 5%; }
.section-intro { margin-left: 5%; max-width: 62ch; color: var(--ink-soft); }
.grid-3, .grid-projects { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--space-xl); }
.card { position: relative; grid-column: auto !important; min-height: 0 !important; border-radius: 0 0 6px 6px; background: var(--bg-card); }
.card--secondary-border { border-top-color: var(--accent-2); }
.card__badge { align-self: flex-start; min-height: 2.2rem; }
.card__icon { width: 32px; height: 32px; color: var(--accent); stroke-width: 1.5; }
.card__image-placeholder { display: grid; place-items: center; width: 100%; aspect-ratio: 16/9; border-radius: 3px; background: var(--bg-3); color: var(--ink-mute); font: var(--meta)/1.4 var(--mono); text-align: center; }
.badge { display: inline-flex; padding: .25rem .7rem; border-radius: 2px; font: 500 var(--meta)/1.4 var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.badge--secondary { background: var(--accent-2); color: #0a0a0a; }
.badge--outline { border: 1px solid var(--line); color: var(--ink-mute); }
.sector-card { display: flex; flex-direction: column; gap: var(--space-md); padding: var(--space-xl); border: 1px solid var(--line); border-radius: 6px; background: var(--bg-2); }
.sector-card__icon { width: 42px; height: 42px; color: var(--accent); stroke-width: 1.5; }
.sector-card__points { display: flex; flex-direction: column; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.sector-card__points li { position: relative; padding-left: 1.5rem; font-size: var(--small); }
.sector-card__points li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.block-note { max-width: 66ch; margin-top: var(--space-xl); color: var(--ink-muted); }
.block-note--center { margin-inline: auto; }
.timeline__content { display: flex; flex-direction: column; gap: .4rem; }
.demo-label { padding: .55rem .7rem; border-left: 3px solid var(--accent-2); background: rgba(255,203,27,.07); color: #f4dc87; font: 600 var(--meta)/1.45 var(--mono); }
.testimonial { display: flex; flex-direction: column; gap: var(--space-lg); padding: var(--space-xl); border-radius: 6px; background: var(--bg-card); }
.testimonial__text { position: relative; margin: 0; border: 0; padding: 0; color: var(--ink-soft); font-size: 1.03rem; line-height: 1.7; }
.testimonial__name { color: var(--ink); font-weight: 700; }
.testimonial__role { color: var(--ink-mute); font-size: var(--small); }
.btn[aria-disabled="true"], .link-disabled { cursor: default; opacity: .72; }
.btn--secondary { background: var(--accent-2); color: #0a0a0a; }
.footer__inner { grid-template-columns: 2fr 1fr 1fr; }
.footer__nav { display: flex; flex-direction: column; }
.footer__bottom { display: grid; gap: .5rem; text-align: center; }
.footer__demo { color: #f4dc87; }
@media (max-width: 1050px) { .nav__list { gap: 1rem; }.nav__link--cta { padding-inline: .7rem; }.grid-3,.grid-projects { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 719px) { .demo-notice + .nav { top: 2.8rem; }.nav__desktop { display: none; }.hamburger { display: flex; }.home .hero { padding-top: calc(var(--nav-height) + 7rem); }.hero__layout { grid-template-columns: 1fr; }.hero__photo-wrapper { order: -1; }.hero__photo { width: 190px; }.grid-3,.grid-projects { grid-template-columns: 1fr; }.section-heading,.section-intro { margin-left: 0; }.footer__inner { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .hero-gradient { filter: none; }.nav-mobile { transition: none; } }
@media print { .demo-notice { position: static; }.nav { top: 0 !important; } }