/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:         #000000;
  --bg-2:       #0a0a0a;
  --bg-3:       #0f0f0f;
  --card:       #141414;
  --graphite:   #333233;
  --graphite-2: #232223;
  --ink:        #E8E8E8;
  --ink-mute:   rgba(232,232,232,0.62);
  --ink-dim:    rgba(232,232,232,0.34);
  --accent:     #FB0101;
  --accent-2:   #c40101;
  --accent-dim: #5a0101;
  --line:       rgba(232,232,232,0.14);
  --line-soft:  rgba(232,232,232,0.08);

  --gradient-1: #FB0101;
  --gradient-2: #7a0101;
  --gradient-3: #333233;
  --gradient-4: #050505;

  --display: "Space Grotesk", "Arial Black", sans-serif;
  --sans:    "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 14px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; font-family: var(--display); font-weight: 700; }
::selection { background: var(--accent); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem; background: var(--accent); color: #fff;
  z-index: 9999; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 8rem);
}
.section-alt { background: var(--bg-2); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
.kicker::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(251,1,1,0.18);
  flex: none;
}

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-title {
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  margin-bottom: .9rem;
}
.section-sub {
  color: var(--ink-mute);
  font-size: 1.05rem;
  max-width: 52ch;
}

.eyebrow-tag {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .4em .9em;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* =============================================================
   4. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  font-family: var(--sans); font-weight: 600; font-size: .95rem;
  padding: .95em 1.7em;
  border-radius: 999px;
  transition: transform .45s var(--ease-soft), box-shadow .45s var(--ease-soft), background-color .3s, color .3s, border-color .3s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 10px 30px -8px rgba(251,1,1,0.55);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -8px rgba(251,1,1,0.7);
  background: var(--accent-2);
}
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}
.btn-sm { padding: .65em 1.3em; font-size: .82rem; }

.icon {
  width: 1.15em; height: 1.15em;
  stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
  flex: none;
}

/* =============================================================
   5. Navigation
   ============================================================= */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 500;
  padding-block: 1.1rem;
  transition: padding .35s var(--ease-out), background-color .35s var(--ease-out), border-color .35s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  padding-block: .7rem;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line-soft);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.logo {
  font-family: var(--display); font-weight: 700;
  font-size: 1.05rem; letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: .5em;
}
.logo .dot { color: var(--accent); }
.logo-img { height: 34px; width: auto; display: block; border-radius: 4px; }
.footer-logo-img { height: 52px; width: auto; display: block; border-radius: 6px; margin-bottom: .9rem; }
.nav-links {
  display: none;
  align-items: center; gap: 2.1rem;
  font-size: .92rem; font-weight: 500;
}
.nav-link { position: relative; padding: .25rem 0; color: var(--ink-mute); transition: color .3s; }
.nav-link:hover { color: var(--ink); }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.nav-toggle {
  display: inline-flex; flex-direction: column; gap: 5px;
  width: 34px; height: 34px; align-items: center; justify-content: center;
}
.nav-toggle span { width: 20px; height: 1.5px; background: var(--ink); transition: transform .3s, opacity .3s; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 400;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  gap: 1.6rem; padding: 6rem var(--gutter) 3rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .6s var(--ease-soft);
}
.nav-mobile[aria-hidden="false"] { clip-path: inset(0 0 0 0); }
.nav-mobile a { font-family: var(--display); font-size: 2rem; font-weight: 700; }
.nav-mobile .btn { margin-top: 1rem; }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none; }
}

/* =============================================================
   6. Sections — Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: 7rem; padding-bottom: 4rem;
  overflow: clip;
  isolation: isolate;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(circle 620px at var(--mx, 62%) var(--my, 38%), var(--gradient-1) 0%, transparent 60%),
    radial-gradient(circle 760px at calc(var(--mx, 62%) - 30%) calc(var(--my, 38%) + 25%), var(--gradient-2) 0%, transparent 62%),
    radial-gradient(circle 700px at calc(var(--mx, 62%) + 20%) calc(var(--my, 38%) - 20%), var(--gradient-3) 0%, transparent 65%),
    var(--bg);
  filter: blur(60px) saturate(150%);
  opacity: .85;
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 60% 30%, black 40%, transparent 85%);
  opacity: .6;
}
.hero-watermark {
  position: absolute; right: clamp(-4rem, -2vw, 2rem); bottom: -6%; z-index: -1;
  width: clamp(280px, 34vw, 560px); height: auto;
  opacity: .1;
  filter: blur(.5px);
  pointer-events: none;
  user-select: none;
}
.hero-inner { max-width: 900px; position: relative; z-index: 1; }
.hero-title {
  font-size: clamp(2.6rem, 7.4vw, 6.2rem);
  line-height: .98;
  max-width: 16ch;
  margin-bottom: 1.6rem;
}
.hero-title .flip {
  position: relative;
  color: var(--ink);
  -webkit-text-stroke: 0px transparent;
  transition: color .4s var(--ease-out), -webkit-text-stroke .4s var(--ease-out);
}
.hero-title .flip.is-accent { color: var(--accent); }
.hero-title .flip.is-accent:hover,
.hero-title .flip:hover {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
}
.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--ink-mute);
  max-width: 46ch;
  margin-bottom: 2.4rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero-trust {
  display: flex; flex-wrap: wrap; gap: 1.4rem 2rem;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .04em;
  color: var(--ink-dim);
}
.hero-trust li { display: flex; align-items: center; gap: .55em; }
.hero-trust li::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); flex: none;
}

/* =============================================================
   7. Marquee
   ============================================================= */
.marquee-band {
  position: relative;
  border-block: 1px solid var(--line-soft);
  background: var(--bg-2);
  padding-block: 1.1rem;
  overflow: hidden;
}
.marquee { overflow: hidden; position: relative; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0;  background: linear-gradient(90deg, var(--bg-2), transparent); }
.marquee::after  { right: 0; background: linear-gradient(270deg, var(--bg-2), transparent); }
.marquee-track {
  display: inline-flex; gap: 2.4rem; white-space: nowrap; will-change: transform;
  font-family: var(--mono); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-dim);
}
.marquee-track span.accentword { color: var(--accent); }

/* =============================================================
   8. Servicios (accordion rows)
   ============================================================= */
.accordion-list { border-top: 1px solid var(--line); }
.service-row, .faq-row {
  border-bottom: 1px solid var(--line);
}
.service-row summary, .faq-row summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.4rem);
  padding-block: clamp(1.4rem, 3vw, 2.1rem);
  transition: color .3s;
}
.service-row summary::-webkit-details-marker,
.faq-row summary::-webkit-details-marker { display: none; }

.service-num {
  font-family: var(--mono); color: var(--ink-dim); font-size: .95rem;
  flex: none; width: 2.4ch;
}
.service-icon {
  flex: none; width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  color: var(--ink-mute);
  transition: border-color .3s, color .3s, background .3s;
}
.service-row[open] .service-icon,
.service-row summary:hover .service-icon {
  border-color: var(--accent); color: var(--accent);
  background: rgba(251,1,1,0.08);
}
.service-copy { flex: 1 1 auto; min-width: 0; }
.service-title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  color: var(--ink);
  -webkit-text-stroke: 0px transparent;
  transition: color .35s var(--ease-out), -webkit-text-stroke .35s var(--ease-out);
}
.service-row summary:hover .service-title,
.service-row[open] .service-title {
  color: transparent;
  -webkit-text-stroke: 1.3px var(--accent);
}
.service-line {
  color: var(--ink-mute); font-size: .95rem; margin-top: .3rem;
  max-width: 56ch;
}
.service-plus {
  flex: none; width: 30px; height: 30px; position: relative;
}
.service-plus::before, .service-plus::after {
  content: ""; position: absolute; background: var(--ink);
  transition: transform .4s var(--ease-soft), background .3s;
}
.service-plus::before { left: 4px; right: 4px; top: 50%; height: 1.5px; transform: translateY(-50%); }
.service-plus::after  { top: 4px; bottom: 4px; left: 50%; width: 1.5px; transform: translateX(-50%); }
.service-row[open] .service-plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.service-row[open] .service-plus::before { background: var(--accent); }

.service-row-body {
  padding: 0 0 clamp(1.6rem, 3vw, 2.4rem) calc(2.4ch + 42px + clamp(1rem, 3vw, 2.4rem) * 2);
  color: var(--ink-mute);
  max-width: 62ch;
  font-size: .98rem;
}
@media (max-width: 719px) {
  .service-row-body { padding-left: 0; }
}

/* =============================================================
   9. Método
   ============================================================= */
.method-list {
  display: grid; gap: 0;
  border-top: 1px solid var(--line);
}
.method-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.2rem, 4vw, 3rem);
  padding-block: clamp(1.8rem, 4vw, 2.6rem);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.method-num {
  font-family: var(--mono); font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--graphite);
  -webkit-text-stroke: 1px var(--line);
  font-weight: 700;
}
.method-item.is-revealed .method-num,
.method-item:hover .method-num { color: var(--accent); -webkit-text-stroke: 1px var(--accent); transition: color .4s, -webkit-text-stroke .4s; }
.method-title {
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  margin-bottom: .5rem;
}
.method-copy { color: var(--ink-mute); max-width: 58ch; }

/* =============================================================
   10. Testimonios
   ============================================================= */
.testi-grid {
  display: grid; gap: 1.4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .testi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .testi-grid { grid-template-columns: repeat(3, 1fr); } }

.testi-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  display: flex; flex-direction: column; gap: 1.4rem;
  position: relative;
}
.testi-quote-mark {
  font-family: var(--display); font-size: 3rem; line-height: 1;
  color: var(--accent); opacity: .5;
}
.testi-text { color: var(--ink); font-size: 1.02rem; line-height: 1.55; }
.testi-meta { display: flex; align-items: center; gap: .8rem; margin-top: auto; }
.testi-avatar {
  width: 42px; height: 42px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--graphite), var(--graphite-2));
  display: grid; place-items: center;
  font-family: var(--mono); font-size: .85rem; color: var(--ink-mute);
  border: 1px solid var(--line);
}
.testi-name { font-weight: 600; font-size: .92rem; }
.testi-role { color: var(--ink-dim); font-size: .8rem; font-family: var(--mono); }

.testi-shot {
  width: 100%;
  aspect-ratio: 6 / 5;
  object-fit: contain;
  background: var(--bg-2);
  border-radius: 10px;
  border: 1px solid var(--line);
}
.testi-card-shot { padding-top: 1.6rem; }

.testi-real-tag {
  position: absolute; top: 1.2rem; right: 1.2rem;
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--bg); background: var(--accent);
  border-radius: 999px; padding: .35em .8em;
}

.demo-badge {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent);
  border: 1px dashed var(--accent-dim);
  border-radius: 999px; padding: .45em 1em;
  margin-bottom: 1.6rem;
}

/* =============================================================
   11. FAQ
   ============================================================= */
.faq-row summary { justify-content: space-between; }
.faq-question { font-family: var(--sans); font-weight: 600; font-size: 1.05rem; padding-right: 1rem; }
.faq-row-body {
  padding: 0 0 clamp(1.4rem, 3vw, 2rem) 0;
  color: var(--ink-mute);
  max-width: 66ch;
}

/* =============================================================
   11.5 Fundador (credibilidad)
   ============================================================= */
.founder-strip {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
  align-items: center;
  border-top: 1px solid var(--line);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 720px) {
  .founder-strip { grid-template-columns: 220px 1fr; }
}
.founder-photo {
  width: 100%; max-width: 260px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  filter: grayscale(.15) contrast(1.05);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center center;
}
.founder-copy .kicker { margin-bottom: .5rem; }
.founder-name { font-size: 1.3rem; margin-bottom: .5rem; }
.founder-bio { color: var(--ink-mute); max-width: 56ch; }

/* =============================================================
   12. Contacto
   ============================================================= */
.contact-head { max-width: 40ch; }
.contact-title { font-size: clamp(2.4rem, 6vw, 4.6rem); margin-bottom: 1.2rem; }
.contact-rows { border-top: 1px solid var(--line); margin-top: 3rem; }
.contact-row {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding-block: clamp(1.6rem, 4vw, 2.6rem);
  border-bottom: 1px solid var(--line);
  transition: padding-left .4s var(--ease-out), background-color .4s var(--ease-out);
}
.contact-row:hover { padding-left: 1rem; background: rgba(251,1,1,0.05); }
.contact-row-label {
  display: flex; align-items: center; gap: 1.2rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 2.2rem);
}
.contact-row-icon {
  flex: none; width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line); color: var(--ink);
  transition: border-color .35s, color .35s, background .35s;
}
.contact-row:hover .contact-row-icon {
  border-color: var(--accent); color: var(--accent); background: rgba(251,1,1,0.08);
}
.contact-row-value { color: var(--ink-mute); font-family: var(--mono); font-size: .9rem; }
.contact-row-arrow { flex: none; color: var(--ink-dim); transition: transform .4s var(--ease-soft), color .4s; }
.contact-row:hover .contact-row-arrow { transform: translate(5px, -5px); color: var(--accent); }

/* =============================================================
   13. Footer
   ============================================================= */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 3rem;
}
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.footer-tag { color: var(--ink-dim); font-size: .85rem; max-width: 34ch; }
.footer-links { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.footer-links a { color: var(--ink-mute); font-size: .88rem; transition: color .3s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 2.2rem; padding-top: 1.6rem; border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  color: var(--ink-dim); font-size: .78rem; font-family: var(--mono);
}

/* =============================================================
   14. Effects — reveal, etc.
   ============================================================= */
[data-reveal] {
  opacity: 0; transform: translateY(32px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* =============================================================
   15. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .hero-ctas { flex-wrap: nowrap; }
}
@media (min-width: 720px) {
  .method-item { grid-template-columns: 120px 1fr; }
}
@media (min-width: 960px) {
  .section { padding-block: clamp(5.5rem, 8vw, 9rem); }
}

/* =============================================================
   16. Reduced motion — only truly intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-gradient { animation: none; }
  .marquee-track { animation: none !important; transform: none !important; }
}