/* Casos de estudio · MUSOFT Technologies
   Mismo sistema visual que la portada de musoft.mx: encabezado y portada en azul marino,
   secciones claras con tarjetas blancas, botones de píldora con degradado cian-azul. */
:root {
  --navy: #061a3a;
  --navy-2: #09275a;
  --blue: #0477ff;
  --cyan: #05c7d9;
  --teal: #00a99d;
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(15, 23, 42, .11);
  --bg: #f6f9fc;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(2, 12, 27, .12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: #020617; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }

/* Encabezado */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(18px);
  background:
    radial-gradient(circle at 18% 0%, rgba(5,199,217,.16), transparent 34%),
    linear-gradient(135deg, rgba(2,6,23,.96) 0%, rgba(6,26,58,.96) 52%, rgba(8,45,104,.96) 100%);
  border-bottom: 1px solid rgba(5,199,217,.18);
  box-shadow: 0 14px 38px rgba(2, 12, 27, .24);
}
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 178px; height: auto; object-fit: contain; filter: drop-shadow(0 0 12px rgba(5,199,217,.28)); }
.brand-text { color: var(--white); font-weight: 900; letter-spacing: .08em; font-size: 1.25rem; }
.brand-text small { display: block; font-size: .58rem; letter-spacing: .42em; font-weight: 600; color: #9fd8ff; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: .94rem; color: #d9e8ff; font-weight: 700; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--cyan); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

/* Botones y etiquetas */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 13px 22px; border-radius: 999px;
  font-weight: 800; border: 1px solid transparent; cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, .card-link:focus-visible, .nav-links a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.btn-primary { background: linear-gradient(135deg, var(--cyan), var(--blue)); color: var(--white); box-shadow: 0 18px 36px rgba(4, 119, 255, .24); }
.btn-secondary { background: rgba(255,255,255,.08); color: var(--white); border-color: rgba(255,255,255,.22); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border: 1px solid rgba(5, 199, 217, .28); border-radius: 999px;
  color: #bff9ff; background: rgba(5, 199, 217, .08); font-size: .8rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.eyebrow.dark { color: var(--blue); background: rgba(4, 119, 255, .08); border-color: rgba(4, 119, 255, .18); }

/* Portada */
.hero {
  position: relative; overflow: hidden; color: var(--white);
  background:
    radial-gradient(circle at 16% 12%, rgba(5,199,217,.30), transparent 32%),
    radial-gradient(circle at 88% 16%, rgba(4,119,255,.32), transparent 32%),
    linear-gradient(135deg, #030913 0%, #061a3a 52%, #09275a 100%);
  padding: 72px 0 56px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .23;
  background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
}
.hero .container { position: relative; z-index: 1; }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .86rem; font-weight: 700; color: #9fb6d9; margin-bottom: 22px; }
.crumb a:hover { color: var(--cyan); }
.crumb b { color: var(--white); letter-spacing: .06em; }
.hero h1 {
  margin: 20px 0 18px; font-size: clamp(2.1rem, 4.6vw, 4rem); line-height: 1; letter-spacing: -.045em;
  font-weight: 900; max-width: 18ch; text-wrap: balance;
}
.hero h1 span { color: var(--cyan); }
.hero .lead { color: #d9e8ff; font-size: clamp(1.04rem, 1.6vw, 1.22rem); max-width: 74ch; margin: 0 0 32px; }
.hero-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric { padding: 16px 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.13); border-radius: 18px; }
.metric small { display: block; color: #9fd8ff; font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.metric span { display: block; color: var(--white); font-weight: 700; font-size: .98rem; margin-top: 6px; line-height: 1.35; }

/* Logos de producto, como en las tarjetas del ecosistema de la portada */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 28px 48px; align-items: center; }
.hero-grid .hero-metrics { grid-column: 1 / -1; }
.hero-logo {
  display: grid; place-items: center; min-height: 240px; padding: 34px; border-radius: var(--radius-xl);
  background: radial-gradient(circle at 72% 22%, rgba(5,199,217,.18), transparent 38%), rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.13); box-shadow: inset 0 1px rgba(255,255,255,.06);
}
.hero-logo img, .card-media img { width: min(100%, 420px); max-height: 150px; object-fit: contain; filter: drop-shadow(0 10px 24px rgba(5,199,217,.22)); }
.card-media {
  min-height: 168px; display: grid; place-items: center; margin-bottom: 22px; padding: 22px; border-radius: 16px;
  background: radial-gradient(circle at 72% 22%, rgba(5,199,217,.16), transparent 34%), linear-gradient(135deg, #061026, #10365b);
}
.card-media img { max-height: 118px; }
img.logo-impulsa { max-height: 170px; }
.card-media img.logo-impulsa { max-height: 128px; }

/* Secciones */
section.band { padding: 72px 0; }
section.band.alt { background: var(--white); border-block: 1px solid var(--line); }
.section-head { margin-bottom: 30px; }
.section-head h2 {
  margin: 14px 0 0; font-size: clamp(1.7rem, 3.2vw, 2.7rem); letter-spacing: -.04em; line-height: 1.06;
  color: var(--navy); font-weight: 900; max-width: 24ch; text-wrap: balance;
}
.band p { margin: 0 0 16px; max-width: 78ch; color: #334155; font-size: 1.05rem; }
.band p strong { color: var(--navy); }
.band p:last-child { margin-bottom: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 6px; }
.chip { background: rgba(4,119,255,.08); border: 1px solid rgba(4,119,255,.16); color: var(--navy-2); font-size: .82rem; font-weight: 700; padding: 6px 12px; border-radius: 999px; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 26px; }
.step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; box-shadow: 0 14px 34px rgba(2, 12, 27, .06); position: relative; overflow: hidden; }
.step::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: linear-gradient(180deg, var(--cyan), var(--blue)); }
.band.alt .step { background: var(--bg); box-shadow: none; }
.step h3 { margin: 0 0 8px; font-size: 1.06rem; color: var(--navy); letter-spacing: -.02em; }
.step p { margin: 0; color: var(--muted); font-size: .95rem; }

.tablewrap { overflow-x: auto; margin-top: 22px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 14px 34px rgba(2, 12, 27, .06); }
.band.alt .tablewrap { box-shadow: none; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; color: #334155; }
tr:last-child td { border-bottom: 0; }
th { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 800; background: rgba(4,119,255,.04); }
td:first-child { color: var(--navy); font-weight: 800; }
.tablewrap + p { margin-top: 20px; }

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 26px 0; }
.tile { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; box-shadow: 0 14px 34px rgba(2, 12, 27, .06); }
.band.alt .tile { background: var(--bg); box-shadow: none; }
.tile b {
  display: block; font-size: clamp(2rem, 3.4vw, 2.8rem); font-weight: 900; letter-spacing: -.04em; line-height: 1;
  font-variant-numeric: tabular-nums; color: var(--blue);
  background: linear-gradient(135deg, var(--cyan), var(--blue)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.tile span { display: block; margin-top: 10px; font-size: .94rem; color: var(--muted); line-height: 1.4; }

/* Citas */
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.quotes.one { grid-template-columns: 1fr; max-width: 760px; }
blockquote {
  margin: 0; padding: 26px 28px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(2, 12, 27, .06); color: var(--navy); font-size: 1.12rem; font-weight: 600; line-height: 1.45;
  display: flex; flex-direction: column;
}
blockquote footer { margin-top: auto; padding-top: 18px; font-size: .9rem; font-weight: 500; color: var(--muted); }
blockquote footer b { display: block; color: var(--navy); font-weight: 800; }
blockquote[data-cita="ejemplo"] { border-style: dashed; border-color: rgba(4,119,255,.35); box-shadow: none; }
blockquote[data-cita="ejemplo"]::before {
  content: "Cita de ejemplo · pendiente de autorización"; display: block; margin-bottom: 14px;
  font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--blue);
}

/* Índice de casos */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card-link {
  display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-xl);
  padding: 30px; box-shadow: 0 14px 34px rgba(2, 12, 27, .06); transition: transform .2s ease, box-shadow .2s ease;
}
.card-link:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-link .eyebrow { align-self: flex-start; }
.card-link h3 { margin: 16px 0 12px; font-size: clamp(1.3rem, 2vw, 1.6rem); line-height: 1.12; letter-spacing: -.03em; color: var(--navy); font-weight: 900; }
.card-link p { margin: 0 0 18px; color: var(--muted); font-size: 1rem; }
.card-link ul { list-style: none; margin: 0 0 22px; padding: 0; }
.card-link li { display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-top: 1px solid var(--line); color: #334155; font-size: .95rem; }
.card-link li b { flex: 0 0 auto; min-width: 74px; font-weight: 900; color: var(--blue); font-variant-numeric: tabular-nums; }
.card-link .go { margin-top: auto; font-weight: 800; color: var(--blue); }

/* Cierre y pie */
.cta {
  background: radial-gradient(circle at 18% 20%, rgba(5,199,217,.26), transparent 34%), linear-gradient(135deg, #051326, #09275a);
  color: var(--white); padding: 72px 0;
}
.cta h2 { color: var(--white); margin: 14px 0 12px; font-size: clamp(1.9rem, 3.6vw, 3rem); line-height: 1.04; letter-spacing: -.045em; font-weight: 900; max-width: 22ch; text-wrap: balance; }
.cta p { color: #dbeafe; font-size: 1.06rem; max-width: 64ch; margin: 0 0 26px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.site-footer { background: #020617; color: #cbd5e1; padding: 48px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 36px; align-items: start; }
.site-footer img { width: 230px; margin-bottom: 16px; }
.site-footer p { margin: 0; color: #94a3b8; font-size: .95rem; max-width: 44ch; }
.site-footer h3 { color: var(--white); margin: 0 0 14px; font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .95rem; }
.site-footer a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 30px; padding-top: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .86rem; color: #94a3b8; }

@media (max-width: 980px) {
  .nav { flex-wrap: wrap; padding: 14px 0; }
  .nav-links { order: 3; width: 100%; flex-wrap: wrap; gap: 10px 18px; font-size: .9rem; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-logo { order: -1; min-height: 0; padding: 22px; justify-self: start; width: min(100%, 420px); }
  .hero-logo img { max-height: 96px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .container { width: min(var(--container), calc(100% - 32px)); }
  .nav-cta { display: none; }
  .hero { padding: 48px 0 40px; }
  section.band, .cta { padding: 52px 0; }
  .hero-metrics, .flow, .cards, .quotes, .footer-grid { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .card-link { padding: 24px; }
  .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card-link { transition: none; }
}