:root {
  --bg: #050505;
  --card: #121212;
  --card-hover: #161616;
  --line: rgba(244,244,240,0.08);
  --fg: #F4F4F0;
  --muted: #7A7A75;
  --accent: #C6FF3D;
  --accent-soft: rgba(198,255,61,0.25);
  --sans: 'Space Grotesk', sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --ease: cubic-bezier(0.215,0.610,0.355,1.000);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; background: var(--bg); -webkit-font-smoothing: antialiased; }
body { color: var(--fg); font-family: var(--sans); overflow-x: hidden; position: relative; min-height: 100vh; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: #dbff7a; }
img { max-width: 100%; display: block; }

@keyframes wavePulse { 0%,100% { transform: scale(1,1); } 50% { transform: scale(1.12,3.2); } }
@keyframes bgDrift1 { 0%,100% { transform: translate(-8%,-6%) scale(1); } 50% { transform: translate(6%,8%) scale(1.15); } }
@keyframes bgDrift2 { 0%,100% { transform: translate(10%,4%) scale(1.1); } 50% { transform: translate(-8%,-10%) scale(1); } }
@keyframes bgDrift3 { 0%,100% { transform: translate(-4%,10%) scale(1); } 50% { transform: translate(6%,-6%) scale(1.2); } }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* page transition */
body { opacity: 0; transition: opacity .42s var(--ease); }
body.is-mounted { opacity: 1; }

/* ambient glow blobs */
.glow { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.glow span { position: absolute; border-radius: 50%; filter: blur(34px); }

.page { position: relative; z-index: 1; }

/* nav */
.nav { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 50; width: calc(100% - 32px); max-width: 1160px; display: flex; align-items: center; justify-content: space-between; padding: 10px 10px 10px 20px; border-radius: 999px; background: rgba(5,5,5,0.55); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--line); }
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-dot { width: 10px; height: 10px; border-radius: 2px; background: var(--accent); display: inline-block; flex: none; }
.nav-brand-name { font-weight: 500; font-size: 15px; letter-spacing: -0.01em; color: var(--fg); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { font-family: var(--mono); font-size: 13px; color: var(--fg); letter-spacing: 0.02em; }
.nav-link.active { color: var(--accent); }
.nav-cta { font-family: var(--mono); font-size: 13px; font-weight: 700; letter-spacing: 0.02em; background: var(--accent); color: var(--bg); padding: 11px 20px; border-radius: 999px; white-space: nowrap; }
.nav-burger { display: none; background: none; border: 1px solid rgba(244,244,240,0.15); border-radius: 999px; width: 40px; height: 40px; align-items: center; justify-content: center; cursor: pointer; flex: none; }

.mobile-menu { position: fixed; inset: 0; z-index: 60; background: var(--bg); display: none; flex-direction: column; align-items: center; justify-content: center; gap: 32px; }
.mobile-menu.open { display: flex; }
.mobile-menu-close { position: absolute; top: 22px; right: 22px; background: none; border: 1px solid rgba(244,244,240,0.15); border-radius: 999px; width: 40px; height: 40px; color: var(--fg); font-size: 20px; cursor: pointer; }
.mobile-menu a { font-family: var(--mono); font-size: 20px; color: var(--fg); }
.mobile-menu .nav-cta { font-size: 15px; padding: 14px 28px; margin-top: 12px; }

@media (max-width: 859px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
}

/* hero */
.hero { position: relative; width: 100%; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; background: #050505; }
.hero video, .hero .hero-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero .hero-poster { display: none; }
@media (prefers-reduced-motion: reduce) {
  .hero video { display: none; }
  .hero .hero-poster { display: block; }
}
.hero-scrim { position: absolute; inset: 0; z-index: 1; }
.hero-content { position: relative; z-index: 2; width: 100%; margin: 0 auto; padding: 0 24px 64px; }

.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--fg); opacity: 0.7; text-transform: uppercase; }

/* buttons */
.btn-accent { font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: 0.02em; background: var(--accent); color: var(--bg); padding: 16px 28px; border: none; border-radius: 999px; cursor: pointer; display: inline-block; transition: transform .4s var(--ease); }
.btn-accent:hover { transform: scale(1.035); color: var(--bg); }

/* section headings */
.section { padding: 0 24px clamp(96px,14vw,140px); max-width: 1160px; margin: 0 auto; }
.section-narrow { max-width: 900px; }
.section-tight { max-width: 760px; }
.eyebrow-label { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; margin-bottom: 14px; }
h1, h2, h3 { margin: 0; font-family: var(--sans); letter-spacing: -0.02em; }
h2 { font-weight: 500; font-size: clamp(30px,4.6vw,52px); }

/* card grid */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.grid-cards .card { background: var(--card); padding: 36px 32px; display: flex; flex-direction: column; gap: 14px; transition: border-color .35s ease, background .35s ease, transform .35s ease; border: 1px solid transparent; }
.grid-cards .card:hover { border-color: rgba(198,255,61,0.35); background: var(--card-hover); transform: translateY(-4px); }
.card-num { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.card-title { font-weight: 500; font-size: 19px; color: var(--fg); }
.card-desc { font-weight: 300; font-size: 15px; line-height: 1.55; color: var(--muted); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }

/* wave divider */
.divider { max-width: 640px; margin: 0 auto; padding: 0 24px 56px; opacity: 0; transition: opacity .9s var(--ease); }
.divider.in-view { opacity: 1; }
.divider svg { display: block; animation: wavePulse 3.4s ease-in-out infinite; transform-origin: center; }

/* servicios tabs */
.tab-group { display: inline-flex; padding: 5px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); gap: 4px; }
.tab-btn { font-family: var(--mono); font-size: 13px; font-weight: 700; padding: 10px 22px; border-radius: 999px; border: none; cursor: pointer; background: transparent; color: var(--muted); transition: background .25s ease, color .25s ease; }
.tab-btn.active { background: var(--accent); color: var(--bg); }
.problem-solution { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: clamp(24px,4vw,36px); display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center; transition: border-color .35s ease, transform .35s ease; }
.problem-solution:hover { border-color: rgba(198,255,61,0.3); transform: translateY(-2px); }
.ps-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.deliverable-item { background: var(--card); padding: 20px 22px; display: flex; align-items: center; gap: 14px; }

/* contacto intent cards */
.intent-card { text-align: left; cursor: pointer; font-family: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; transition: border-color .3s ease, transform .3s ease, background .3s ease; }
.intent-card:hover, .intent-card.active { border-color: rgba(198,255,61,0.5); transform: translateY(-3px); }
.intent-card.active { background: var(--card-hover); }
.intent-tag { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.intent-card.active .intent-tag { color: var(--accent); }
.intent-title { display: block; font-weight: 500; font-size: 18px; color: var(--fg); margin-top: 14px; }
.intent-desc { display: block; font-weight: 300; font-size: 14px; line-height: 1.55; color: var(--muted); margin-top: 8px; }

.contact-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: start; }
.contact-layout > * { min-width: 0; }
@media (max-width: 760px) {
  .contact-layout { grid-template-columns: 1fr; }
  .next-steps { position: static; }
}
.contact-form { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: clamp(28px,4vw,40px); display: flex; flex-direction: column; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.form-field input, .form-field textarea { background: var(--bg); border: 1px solid rgba(244,244,240,0.12); border-radius: 10px; padding: 13px 14px; color: var(--fg); font-size: 15px; font-family: var(--sans); }
.form-field textarea { resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #5a5a56; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: rgba(198,255,61,0.5); }
.form-field input[aria-invalid="true"], .form-field textarea[aria-invalid="true"] { border-color: #ff8f8f; }
.field-error { font-family: var(--mono); font-size: 12px; color: #ff8f8f; }
.contact-form[data-submitting] button[data-submit-btn] { opacity: 0.6; cursor: not-allowed; }
.next-steps { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; position: sticky; top: 110px; }
.next-steps > div { background: var(--card); }

/* portafolio */
.case-row { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: clamp(22px,4vw,30px); transition: border-color .3s ease, transform .3s ease; }
.case-row:hover { border-color: rgba(198,255,61,0.35); transform: translateY(-2px); }
.case-logo { width: 60px; height: 60px; border-radius: 12px; object-fit: contain; background: #fff; flex: none; }
.avatar-circle { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; background: var(--card-hover); }
.pill { font-family: var(--mono); font-size: 12px; color: var(--accent); background: rgba(198,255,61,0.08); border: 1px solid rgba(198,255,61,0.25); border-radius: 999px; padding: 7px 14px; }

/* checklist rows (bullet+check, used in service cards and diagnostic comparisons) */
.check-list { display: flex; flex-direction: column; gap: 10px; }
.check-item, .dot-item { display: flex; align-items: flex-start; gap: 12px; }
.check-item span, .dot-item span { font-weight: 300; font-size: 14.5px; line-height: 1.45; color: var(--fg); }
.dot-item .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; margin-top: 8px; }

/* featured service cards (home) */
.service-card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: clamp(28px,3.5vw,40px); display: flex; flex-direction: column; gap: 18px; }
.service-card.featured { border-color: rgba(198,255,61,0.22); }
.service-card h3 { font-weight: 500; font-size: clamp(22px,2.6vw,28px); letter-spacing: -0.01em; line-height: 1.15; color: var(--fg); }
.service-card p { margin: 0; font-weight: 300; font-size: 15px; line-height: 1.6; color: var(--muted); }
.service-card .cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn-outline { font-family: var(--mono); font-size: 13px; font-weight: 700; background: transparent; color: var(--fg); padding: 13px 22px; border-radius: 999px; border: 1px solid rgba(244,244,240,0.2); transition: border-color .35s ease; display: inline-block; }
.btn-outline:hover { border-color: rgba(198,255,61,0.5); color: var(--fg); }

/* FAQ accordion (native <details>/<summary>, no JS) */
.faq-item { background: var(--card); }
.faq-q { list-style: none; cursor: pointer; padding: 22px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.faq-q::-webkit-details-marker { display: none; }
.faq-q-text { font-weight: 500; font-size: 16px; color: var(--fg); }
.faq-icon { font-family: var(--mono); font-size: 20px; color: var(--accent); flex: none; transition: transform .3s ease; }
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-a p { margin: 0; padding: 0 24px 24px; font-weight: 300; font-size: 14.5px; line-height: 1.65; color: var(--muted); }

/* Sí/No segmented toggle + select (contacto) */
.seg-row { display: flex; gap: 10px; }
.seg-btn { font-family: var(--mono); font-size: 13px; font-weight: 700; padding: 11px 24px; border-radius: 999px; cursor: pointer; border: 1px solid rgba(244,244,240,0.12); background: var(--bg); color: var(--muted); transition: border-color .25s ease, color .25s ease, background .25s ease; }
.seg-btn.active { border-color: rgba(198,255,61,0.5); background: var(--card-hover); color: var(--accent); }
.form-field select { background: var(--bg); border: 1px solid rgba(244,244,240,0.12); border-radius: 10px; padding: 13px 14px; color: var(--fg); font-size: 15px; font-family: var(--sans); cursor: pointer; }

/* footer */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 64px 24px 32px; }
.site-footer.simple { padding: 40px 24px; }
.footer-inner { max-width: 1160px; margin: 0 auto; display: flex; flex-direction: column; gap: 40px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.footer-brand p { margin: 0; font-weight: 300; font-size: 14px; line-height: 1.6; color: var(--muted); max-width: 340px; }
.footer-contact { display: flex; flex-direction: column; gap: 8px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.footer-bottom { margin: 0; font-family: var(--mono); font-size: 12px; color: rgba(122,122,117,0.75); }
.footer-simple-inner { max-width: 1160px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-family: var(--mono); font-size: 12px; color: rgba(122,122,117,0.75); }