/* MA · Consultoría — sitio. Paleta de la marca (tinta #111113, carmesí #B3123A) llevada a un tema oscuro técnico. */
:root {
  --bg: #0b0b0d;
  --bg-2: #111113;
  --panel: #16161a;
  --line: #26262c;
  --ink: #f4f4f6;
  --ink-2: #b4b4bd;
  --ink-3: #7c7c86;
  --crimson: #B3123A;
  --crimson-hi: #e0234f;   /* versión más luminosa para texto sobre fondo oscuro (contraste) */
  --paper: #f7f7f8;
  --sans: "Space Grotesk", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, "Courier New", monospace;
  --r: 14px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
.mono { font-family: var(--mono); }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 40px); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 99; background: var(--ink); color: var(--bg); padding: 8px 12px; }
.dot { color: var(--crimson-hi); }

/* ---------- Navegación ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 16px max(20px, calc((100% - var(--wrap)) / 2));
  transition: background .35s, border-color .35s, padding .35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(11,11,13,.78); backdrop-filter: blur(14px); border-color: var(--line); padding-block: 10px; }
.brand { font-family: var(--mono); font-weight: 700; font-size: 22px; text-decoration: none; letter-spacing: .5px; }
.brand-name { font-family: var(--sans); font-weight: 500; font-size: 15px; color: var(--ink-2); margin-left: 8px; letter-spacing: 0; }
.nav-links { display: flex; gap: 26px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 15px; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--crimson); color: #fff; border: 1px solid var(--crimson);
  padding: 14px 22px; border-radius: 10px; font: 600 16px var(--sans);
  text-decoration: none; cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.btn:hover { background: var(--crimson-hi); box-shadow: 0 10px 30px -10px rgba(224,35,79,.6); transform: translateY(-1px); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: rgba(255,255,255,.05); box-shadow: none; }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding: 120px 0 80px; isolation: isolate; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -3; opacity: .55; }
.hero-shade { position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(70% 60% at 15% 40%, rgba(11,11,13,.2), rgba(11,11,13,.92) 70%),
    linear-gradient(180deg, rgba(11,11,13,.3) 0%, var(--bg) 100%); }
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .35;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(60% 60% at 50% 40%, #000 30%, transparent 80%);
  transform: translate3d(calc(var(--mx, 0) * -12px), calc(var(--my, 0) * -12px), 0); }
.hero-inner { display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; }
.kicker { color: var(--ink-2); font-size: 13px; letter-spacing: .5px; display: flex; align-items: center; gap: 10px; margin: 0 0 22px; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--crimson-hi); box-shadow: 0 0 0 0 rgba(224,35,79,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(224,35,79,0); } 100% { box-shadow: 0 0 0 0 rgba(224,35,79,0); } }
.hero-title { font-size: clamp(40px, 5.6vw, 72px); line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 22px; font-weight: 700; }
.hero-sub { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-2); max-width: 560px; margin: 0 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* Terminal animada */
.terminal { background: rgba(17,17,19,.82); border: 1px solid var(--line); border-radius: var(--r); backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(179,18,58,.08);
  transform: perspective(1200px) rotateY(calc(-8deg + var(--mx, 0) * 4deg)) rotateX(calc(4deg + var(--my, 0) * -4deg));
  transition: transform .4s ease-out; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--ink-3); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2c2c33; }
.term-bar i:first-child { background: var(--crimson); }
.term-bar span { margin-left: 8px; }
.term-body { margin: 0; padding: 18px 18px 22px; font-size: 13px; line-height: 1.75; color: var(--ink-2); min-height: 250px; white-space: pre-wrap; }
.term-body .ok { color: #3ddc97; }
.term-body .c { color: var(--crimson-hi); }
.term-body .m { color: var(--ink-3); }
.caret { display: inline-block; width: 8px; height: 15px; background: var(--crimson-hi); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Marquee de tecnologías ---------- */
.stack { border-block: 1px solid var(--line); background: var(--bg-2); overflow: hidden; }
.marquee { mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; padding: 18px 0; animation: marquee 38s linear infinite; }
.marquee-track span { color: var(--ink-3); font-size: 14px; white-space: nowrap; }
.marquee-track span::before { content: "▸ "; color: var(--crimson); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Secciones ---------- */
.section { padding: clamp(80px, 10vw, 140px) 0; position: relative; }
.section-dark { background: var(--bg-2); border-block: 1px solid var(--line); }
.eyebrow { color: var(--crimson-hi); font-size: 13px; margin: 0 0 14px; }
.h2 { font-size: clamp(32px, 4vw, 52px); line-height: 1.06; letter-spacing: -0.03em; margin: 0 0 18px; max-width: 760px; }
.lead { color: var(--ink-2); font-size: 18px; max-width: 640px; margin: 0 0 48px; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }

/* Tarjetas de servicio */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 0 22px 24px; overflow: hidden;
  transition: border-color .3s, transform .3s; transform-style: preserve-3d; }
.card::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px circle at var(--gx, 50%) var(--gy, 50%), rgba(224,35,79,.14), transparent 45%); }
.card:hover { border-color: #3a2028; }
.card:hover::after { opacity: 1; }
.card-media { margin: 0 -22px 20px; aspect-ratio: 16 / 10; overflow: hidden; background: #1c1c21; }
.card-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) contrast(1.05); transition: transform .6s, filter .6s; }
.card:hover .card-media img { transform: scale(1.05); filter: grayscale(0); }
.card-tag { color: var(--crimson-hi); font-size: 12px; margin: 0 0 8px; }
.card h3 { font-size: 22px; letter-spacing: -0.02em; margin: 0 0 10px; }
.card p { color: var(--ink-2); font-size: 15.5px; margin: 0 0 14px; }
.card .card-get { color: var(--ink-3); font-size: 12px; margin: 0; padding-top: 12px; border-top: 1px dashed var(--line); }

/* Casos de uso */
.usecases { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.usecases li { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; color: var(--ink-2); font-size: 15.5px; transition: border-color .3s, transform .3s; }
.usecases li:hover { border-color: #3a2028; transform: translateX(4px); }
.usecases li span { display: block; color: var(--crimson-hi); font-size: 12px; margin-bottom: 6px; }
.usecases li strong { color: var(--ink); font-weight: 600; }

/* Por qué MA */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 40px 0 10px; }
.stat { border-top: 1px solid var(--crimson); padding-top: 18px; }
.stat-n { font-size: clamp(54px, 7vw, 92px); font-weight: 700; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat-u { font-size: 32px; color: var(--crimson-hi); margin-left: 4px; font-weight: 600; }
.stat p { color: var(--ink-2); margin: 10px 0 0; max-width: 260px; }
.source { color: var(--ink-3); font-size: 12px; margin: 14px 0 56px; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-grid > div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 24px; }
.why-grid h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -0.02em; }
.why-grid p { color: var(--ink-2); margin: 0; font-size: 15.5px; }

/* Proceso */
.steps { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 22px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, var(--crimson), var(--line) 70%); }
.steps li { position: relative; padding-top: 0; }
.step-n { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--bg); border: 1px solid var(--crimson); color: var(--ink); font-size: 14px; margin-bottom: 18px; position: relative; }
.steps h3 { font-size: 20px; margin: 0 0 8px; letter-spacing: -0.02em; }
.steps p { color: var(--ink-2); font-size: 15.5px; margin: 0; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-size: 18px; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 26px var(--mono); color: var(--crimson-hi); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-2); margin: 0 0 20px; max-width: 700px; }

/* Contacto */
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; font-size: 15px; }
.contact-list span { color: var(--ink-3); display: inline-block; width: 52px; }
.contact-list a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--crimson); }
.form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--ink-2); }
.form input, .form select, .form textarea {
  font: 16px var(--sans); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; outline: none; transition: border-color .2s; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--crimson-hi); }
.form .btn { margin-top: 6px; }
.form-alt { color: var(--ink-3); font-size: 13px; text-align: center; }

/* Footer y flotante */
.footer { border-top: 1px solid var(--line); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; color: var(--ink-3); font-size: 13px; }
.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; box-shadow: 0 12px 30px -8px rgba(37,211,102,.55); transition: transform .2s; }
.wa-float:hover { transform: scale(1.07); }

/* ---------- Animación de entrada ---------- */
.reveal { opacity: 0; transform: translate3d(0, 28px, 0); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.reveal.seen { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner, .split { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .stats, .why-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav .btn-sm { margin-left: auto; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .cards, .steps { grid-template-columns: 1fr; }
  .brand-name { display: none; }
  .terminal { transform: none; }
  .term-body { min-height: 200px; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-video { display: none; }
  .reveal { opacity: 1; transform: none; }
}

/* La banda "Por qué MA" va pegada a "Proceso": evita el doble espacio entre secciones */
.why { padding-bottom: 20px; }

/* Video dentro de sección */
.media-video { margin: 8px 0 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; position: relative; aspect-ratio: 16 / 9; background: #000; }
.media-video video { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.media-video figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 16px; font-size: 12px; color: var(--ink-2);
  background: linear-gradient(transparent, rgba(0,0,0,.85)); }
/* Foto panorámica */
.photo-band { margin: 28px 0 8px; border-radius: var(--r); overflow: hidden; aspect-ratio: 21 / 8; border: 1px solid var(--line); }
.photo-band img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) contrast(1.05); }
/* Video de fondo en contacto */
.has-bg-video { overflow: hidden; isolation: isolate; }
.bg-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; opacity: .22; }
.has-bg-video::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--bg-2) 20%, rgba(17,17,19,.6)); }
@media (prefers-reduced-motion: reduce) { .bg-video, .media-video video { display: none; } }
@media (max-width: 620px) { .photo-band { aspect-ratio: 4 / 3; } }

/* Para quién */
.segments { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.segment { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; position: relative; overflow: hidden; transition: border-color .3s, transform .3s; }
.segment::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(400px circle at var(--gx, 50%) var(--gy, 50%), rgba(224,35,79,.14), transparent 45%); }
.segment:hover { border-color: #3a2028; }
.segment:hover::after { opacity: 1; }
.segment h3 { font-size: 22px; letter-spacing: -0.02em; margin: 0 0 14px; }
.segment ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.segment li { color: var(--ink-2); font-size: 15.5px; padding-left: 18px; position: relative; }
.segment li::before { content: "›"; position: absolute; left: 0; color: var(--crimson-hi); font-family: var(--mono); }
.segments-note { color: var(--ink-3); margin: 26px 0 0; }
.segments-note a { color: var(--ink); text-decoration-color: var(--crimson); }
/* Aliados */
.allies { border-block: 1px solid var(--line); background: linear-gradient(90deg, rgba(179,18,58,.10), transparent 60%), var(--bg-2); padding: 48px 0; }
.allies-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.allies .h3x { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.025em; margin: 0 0 8px; }
.allies p { color: var(--ink-2); margin: 0; max-width: 680px; }
/* Consentimiento */
.consent { display: flex !important; grid-template-columns: none; align-items: flex-start; gap: 10px !important; font-size: 13px !important; }
.consent input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--crimson-hi); padding: 0; }
.consent a, .footer a { color: var(--ink-2); }
@media (max-width: 980px) { .segments { grid-template-columns: 1fr; } .allies-inner { flex-direction: column; align-items: flex-start; } }