/* ==========================================================================
   MSJ Ingeniería y Gestión - estilos
   Identidad tomada del brochure 2026: navy + dorado, Fraunces + Plus Jakarta Sans.
   Radios: botones y chips = píldora, tarjetas = 16px, controles = 12px.
   Capas z-index: nav 50, skip-link 60.
   ========================================================================== */

:root {
  /* Marca (fijos en ambos temas) */
  --navy-950: #07142a;
  --navy-900: #0b1b33;
  --navy-800: #11264a;
  --navy-700: #1a335b;
  --gold-300: #e8cd97;
  --gold-400: #d1aa66;
  --on-navy: #f1f4f9;
  --on-navy-muted: #b4c0d4;
  --on-navy-line: rgba(255, 255, 255, 0.14);

  /* Tema claro */
  --bg: #f4f6f9;
  --bg-alt: #ebeff5;
  --surface: #ffffff;
  --ink: #0e1d36;
  --muted: #536079;
  --line: rgba(14, 29, 54, 0.13);
  --accent-text: #83601c;
  --accent-display: #a1772a;
  --tint: #f6edd9;
  --tint-line: rgba(161, 119, 42, 0.28);
  --shadow: 0 1px 2px rgba(11, 27, 51, 0.05), 0 12px 32px -12px rgba(11, 27, 51, 0.18);

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --nav-h: 88px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #081628;
    --bg-alt: #0b1b33;
    --surface: #10233f;
    --ink: #eef2f8;
    --muted: #a6b2c8;
    --line: rgba(255, 255, 255, 0.13);
    --accent-text: #dcbc7e;
    --accent-display: #e0c184;
    --tint: rgba(209, 170, 102, 0.12);
    --tint-line: rgba(209, 170, 102, 0.32);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 36px -14px rgba(0, 0, 0, 0.55);
  }
}

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main { overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
address { font-style: normal; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.12;
  text-wrap: balance;
}

h2 { font-size: clamp(2rem, 4.2vw, 3.25rem); }
h3 { font-size: 1.3rem; letter-spacing: -0.01em; line-height: 1.25; }

h1 em, h2 em {
  font-style: italic;
  color: var(--accent-display);
  padding-bottom: 0.08em;
}

:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 60;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--gold-400);
  color: var(--navy-900);
  font-weight: 600;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

.eyebrow {
  margin: 0 0 1.1rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.6;
  color: var(--ink);
}

/* Párrafos justificados (como en el brochure). La separación silábica evita
   huecos grandes entre palabras. Quedan fuera el hero y la declaración (texto
   de exhibición) y, en escritorio, las columnas angostas, donde justificar
   abre "ríos" de espacio en blanco. */
main p:where(:not(.eyebrow, .help, .error, .form-status, .contact-note, .hero-lead, .statement)) {
  text-align: justify;
  text-justify: inter-word;
  -webkit-hyphens: auto;
  hyphens: auto;
}
main .slice p { text-align: left; -webkit-hyphens: manual; hyphens: manual; }
@media (min-width: 600px) {
  main .clients p { text-align: left; -webkit-hyphens: manual; hyphens: manual; }
}
@media (min-width: 900px) {
  main .step p, main .deliverables p { text-align: left; -webkit-hyphens: manual; hyphens: manual; }
}

/* ---------- Botones y chips ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 600 0.95rem/1 var(--sans);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn i { font-size: 1.2rem; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--gold-400); color: var(--navy-900); }
.btn-primary:hover { background: var(--gold-300); }

.btn-ghost { border-color: rgba(255, 255, 255, 0.3); color: var(--on-navy); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.5); }

.btn-block { width: 100%; }

.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chips li {
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
}
.chips-on-navy li {
  border-color: var(--on-navy-line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--on-navy);
}

/* ---------- Navegación: píldora flotante ---------- */

.nav {
  position: fixed;
  top: 14px;
  left: 50%;
  z-index: 50;
  width: min(1180px, calc(100% - 28px));
  height: 60px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(8, 21, 41, 0.9);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 14px 34px -14px rgba(0, 0, 0, 0.55);
  color: var(--on-navy);
}
@media (prefers-reduced-transparency: reduce) {
  .nav { background: var(--navy-950); -webkit-backdrop-filter: none; backdrop-filter: none; }
}

.nav-inner {
  height: 100%;
  max-width: none;
  padding-inline: 20px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}
.brand img { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--gold-300);
}
.brand-sub {
  margin-top: 3px;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--on-navy-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 32px);
}
.nav-links a:not(.btn) {
  position: relative;
  padding: 6px 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--on-navy-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--gold-400);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:not(.btn):hover,
.nav-links a[aria-current="true"] { color: var(--on-navy); }
.nav-links a:not(.btn):hover::after,
.nav-links a[aria-current="true"]::after { transform: scaleX(1); }

.nav-cta { padding: 0.72rem 1.1rem; font-size: 0.86rem; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--on-navy-line);
  border-radius: 999px;
  background: transparent;
  color: var(--on-navy);
  font-size: 1.3rem;
  cursor: pointer;
}

@media (max-width: 1023px) {
  .nav-toggle { display: grid; }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 22px 22px;
    border-radius: 24px;
    background: rgba(7, 20, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 48px -20px rgba(0, 0, 0, 0.7);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .nav.is-open .nav-links { visibility: visible; opacity: 1; transform: none; }
  .nav-links a:not(.btn) {
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-cta { margin-top: 20px; padding: 0.95rem 1.25rem; font-size: 0.95rem; }
}

/* ---------- Hero: centro cinematográfico ---------- */

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  display: grid;
  align-items: center;
  padding: calc(var(--nav-h) + 24px) 0 88px;
  overflow: hidden;
  color: var(--on-navy);
  text-align: center;
  background: linear-gradient(180deg, #0f2444, var(--navy-950));
}

/* Foto (placeholder de stock) teñida de navy: luminosidad sobre el fondo de marca */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.2);
  mix-blend-mode: luminosity;
  opacity: 0.55;
  will-change: transform;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 72% 62% at 50% 46%, rgba(7, 20, 42, 0.3), rgba(7, 20, 42, 0.9) 80%),
    linear-gradient(180deg, rgba(7, 20, 42, 0.6) 0%, transparent 32%, var(--navy-950) 100%);
}
.hero::after,
.contact::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.09;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-inner { position: relative; display: grid; justify-items: center; }

.hero .eyebrow { color: var(--gold-300); }

.hero h1 {
  max-width: 1100px;
  font-size: clamp(2.7rem, 6.4vw, 5.6rem);
  line-height: 1.08;
}
.hero h1 em { color: var(--gold-300); }

.hero-lead {
  max-width: 56ch;
  margin: 1.7rem 0 0;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: var(--on-navy-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 2.4rem;
}

.hero-hex {
  position: absolute;
  left: 50%;
  top: 52%;
  z-index: -1;
  width: min(96vw, 860px);
  height: auto;
  transform: translate(-50%, -50%);
  opacity: 0.4;
  pointer-events: none;
}
.hex-line {
  stroke: var(--gold-400);
  stroke-width: 1.2;
  stroke-opacity: 0.6;
  vector-effect: non-scaling-stroke;
}
.hex-soft { stroke: #ffffff; stroke-opacity: 0.2; }

@media (max-width: 767px) {
  .hero { padding-bottom: 64px; }
  .hero-hex { width: 150vw; opacity: 0.35; }
  .hero-actions .btn { width: 100%; }
}

/* Entrada del hero: secuencia que ordena la lectura (rótulo, titular, bajada, acciones) */
@media (prefers-reduced-motion: no-preference) {
  .js .hero-item {
    opacity: 0;
    transform: translateY(18px);
    animation: rise 0.9s var(--ease) forwards;
    animation-delay: calc(var(--i, 0) * 110ms + 120ms);
  }
  .js .hex-line {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: draw 2.4s var(--ease) 0.3s forwards;
  }
}
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- Secciones ---------- */

.section { padding: clamp(88px, 12vw, 168px) 0; }
.section-alt { background: var(--bg-alt); }

.section-head { max-width: 780px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head .lead { margin-top: 1.25rem; color: var(--muted); }

/* Aparición al hacer scroll: revela cada bloque cuando entra en pantalla */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
    transition-delay: calc(var(--i, 0) * 90ms);
  }
  .js .reveal.in { opacity: 1; transform: none; }
}

/* ---------- Marquee de clientes ---------- */

.marquee {
  overflow: hidden;
  padding: 26px 0;
  background: var(--navy-950);
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--on-navy);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; width: max-content; }
.marquee-list { display: flex; align-items: center; flex: none; }
.marquee-list li {
  display: flex;
  align-items: center;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: rgba(241, 244, 249, 0.82);
}
.marquee-list li::after {
  content: "";
  width: 9px;
  height: 9px;
  margin-inline: clamp(28px, 4vw, 56px);
  border: 1px solid var(--gold-400);
  transform: rotate(45deg);
}
@media (prefers-reduced-motion: no-preference) {
  /* Cinta continua: muestra la amplitud de clientes sin pedir atención a cada uno */
  .marquee-track.is-ready { animation: marquee 46s linear infinite; }
  .marquee:hover .marquee-track { animation-play-state: paused; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee { overflow-x: auto; }
  .marquee-list[aria-hidden="true"] { display: none; }
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Declaración (revelado palabra a palabra con el scroll) ---------- */

.statement-section { padding: 0 0 clamp(88px, 12vw, 168px); }
.statement {
  max-width: 1080px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4.3vw, 3.5rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.statement em { font-style: italic; color: var(--accent-display); }
.pill-img {
  display: inline-block;
  width: 2.3em;
  height: 0.86em;
  margin-inline: 0.12em;
  border-radius: 999px;
  vertical-align: -0.04em;
  background: var(--navy-900) center / cover no-repeat;
  filter: grayscale(1) contrast(1.15);
  box-shadow: inset 0 0 0 1px var(--line);
}

/* ---------- Quiénes somos ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
.about-copy h2 { margin-bottom: 1.75rem; }
.about-copy .lead { margin-bottom: 1.4rem; }
.about-copy p:not(.lead) { max-width: 62ch; color: var(--muted); }

.value-card {
  padding: clamp(28px, 3.4vw, 44px);
  border-radius: 16px;
  color: var(--on-navy);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(52, 92, 150, 0.45), transparent 70%),
    var(--navy-900);
  border: 1px solid var(--on-navy-line);
  box-shadow: var(--shadow);
}
.value-card h3 { color: var(--gold-300); font-style: italic; font-size: 1.4rem; }
.value-card p {
  margin: 1.1rem 0 1.6rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.55;
}

@media (max-width: 899px) {
  .about { grid-template-columns: 1fr; }
}

/* ---------- Servicios (pestañas en escritorio, acordeón en móvil) ---------- */

.svc {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  column-gap: clamp(24px, 4vw, 56px);
  row-gap: 4px;
  align-items: start;
}

.svc-tab {
  grid-column: 1;
  grid-row: var(--r);
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 15px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font: 500 1.02rem/1.3 var(--sans);
  text-align: left;
  cursor: pointer;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.svc-tab > i:first-child { font-size: 1.45rem; color: var(--accent-text); flex: none; }
.svc-tab span { flex: 1; }
.svc-tab:hover { color: var(--ink); background: color-mix(in srgb, var(--surface) 55%, transparent); }
.svc-tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow);
}
.svc-caret { display: none; font-size: 1.1rem; transition: transform 0.3s var(--ease); }

.svc-panel {
  grid-column: 2;
  grid-row: 1 / span 8;
  align-self: stretch;
  padding: clamp(28px, 3.6vw, 48px);
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.svc-panel[hidden] { display: none; }
.svc-panel h3 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); margin-bottom: 1rem; }
.svc-panel > p { max-width: 58ch; color: var(--muted); }
.svc-panel .chips { margin-top: 1.5rem; }
.svc-panel .chips li { background: var(--bg-alt); }

@media (prefers-reduced-motion: no-preference) {
  .svc-panel:not([hidden]) { animation: panel-in 0.45s var(--ease); }
}
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } }

.ticks { margin-top: 1.5rem; display: grid; gap: 0.7rem; }
.ticks li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--ink);
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 1.1rem;
  height: 1.5px;
  background: var(--accent-display);
}

@media (max-width: 899px) {
  .svc { display: block; }
  .svc-tab {
    padding: 16px 4px;
    border-radius: 0;
    border-width: 0 0 1px;
    border-color: var(--line);
  }
  .svc-tab[aria-selected="true"] {
    background: transparent;
    box-shadow: none;
    border-color: transparent;
  }
  .svc-tab:hover { background: transparent; }
  .svc-caret { display: block; }
  .svc-tab[aria-selected="true"] .svc-caret { transform: rotate(180deg); }
  .svc-panel { margin: 4px 0 16px; padding: 24px 20px; }
}

.tools {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  margin-top: clamp(40px, 5vw, 64px);
  padding: clamp(28px, 3.6vw, 44px);
  border-radius: 16px;
  background: var(--tint);
  border: 1px solid var(--tint-line);
}
.tools h3 { font-size: 1.5rem; margin-bottom: 0.7rem; }
.tools p { color: var(--muted); max-width: 44ch; }

@media (max-width: 899px) {
  .tools { grid-template-columns: 1fr; }
}

/* ---------- Método ---------- */

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  padding-top: 34px;
}
.steps::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 5px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent-display), color-mix(in srgb, var(--accent-display) 25%, transparent));
  transform-origin: left;
}
.step { position: relative; }
.step::before {
  content: "";
  position: absolute;
  left: 0;
  top: -34px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--accent-display);
  box-shadow: 0 0 0 4px var(--bg);
}
.step-num {
  display: block;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.8rem, 4.4vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-display);
  opacity: 0.85;
}
.step h3 { margin: 0.9rem 0 0.6rem; }
.step p { color: var(--muted); font-size: 0.97rem; }

@media (prefers-reduced-motion: no-preference) {
  /* La línea se dibuja de izquierda a derecha para leer las etapas como una secuencia */
  .js .steps.reveal { opacity: 1; transform: none; }
  .js .steps.reveal::before { transform: scaleX(0); transition: transform 1.4s var(--ease); }
  .js .steps.reveal.in::before { transform: scaleX(1); }
  .js .steps.reveal .step {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
    transition-delay: calc(var(--i, 0) * 160ms + 150ms);
  }
  .js .steps.reveal.in .step { opacity: 1; transform: none; }
}

@media (max-width: 899px) {
  .steps { grid-template-columns: 1fr; gap: 36px; padding-top: 0; padding-left: 34px; }
  .steps::before { left: 5px; right: auto; top: 6px; bottom: 6px; width: 1.5px; height: auto; transform-origin: top; }
  .step::before { left: -34px; top: 6px; }
  .js .steps.reveal::before { transform: scaleY(0); }
  .js .steps.reveal.in::before { transform: scaleY(1); }
}

.callout {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  margin-top: clamp(40px, 5vw, 64px);
  padding: clamp(24px, 3vw, 36px);
  border-radius: 16px;
  background: var(--tint);
  border: 1px solid var(--tint-line);
}
.callout > i { font-size: 2.2rem; color: var(--accent-display); flex: none; }
.callout h3 { margin-bottom: 0.45rem; }
.callout p { color: var(--muted); max-width: 78ch; }

@media (max-width: 599px) {
  .callout { flex-direction: column; gap: 12px; }
}

/* ---------- Por qué MSJ ---------- */

.why {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
.why-head { position: sticky; top: calc(var(--nav-h) + 40px); }
.why-head .lead { margin: 1.5rem 0 1rem; }
.why-head p:not(.lead) { color: var(--muted); }

.why-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  padding: 30px 0;
}
.why-list li + li { border-top: 1px solid var(--line); }
.why-list li:first-child { padding-top: 0; }
.why-list li:last-child { padding-bottom: 0; }
.why-list i { font-size: 1.9rem; color: var(--accent-display); margin-top: 2px; }
.why-list h3 { font-size: 1.45rem; margin-bottom: 0.5rem; }
.why-list p { color: var(--muted); max-width: 58ch; }

@media (max-width: 899px) {
  .why { grid-template-columns: 1fr; }
  .why-head { position: static; }
}

/* ---------- Sectores: acordeón horizontal ---------- */

.slices { display: flex; gap: 12px; height: clamp(400px, 42vw, 520px); }
.slice {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  border-radius: 16px;
  background: var(--navy-900);
  color: var(--on-navy);
  cursor: pointer;
  transition: flex-grow 0.8s var(--ease);
}
.slice.is-active { flex-grow: 2.6; }
.slice img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.15);
  mix-blend-mode: luminosity;
  opacity: 0.42;
  transform: scale(1.08);
  transition: opacity 0.8s var(--ease), transform 1.2s var(--ease);
}
.slice.is-active img { opacity: 0.8; transform: scale(1); }
.slice::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 20, 42, 0.1) 30%, rgba(7, 20, 42, 0.92) 100%);
}
.slice-body {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  padding: 24px 22px;
}
.slice-body i { font-size: 1.9rem; color: var(--gold-300); }
.slice-body h3 { margin: 0.7rem 0 0; font-size: 1.35rem; white-space: nowrap; }
.slice-body p {
  width: 320px;
  max-width: none;
  margin-top: 0.5rem;
  color: var(--on-navy-muted);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.slice.is-active .slice-body p {
  opacity: 1;
  transform: none;
  transition-delay: 0.3s;
  transition-duration: 0.6s;
}

/* Bajo 1100px no hay ancho para el acordeón: grilla con todo el contenido visible */
@media (max-width: 1099px) {
  .slices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); height: auto; }
  .slice { min-height: 250px; cursor: default; }
  .slice img, .slice.is-active img { opacity: 0.55; transform: none; }
  .slice::after { background: linear-gradient(180deg, rgba(7, 20, 42, 0.3) 0%, rgba(7, 20, 42, 0.94) 78%); }
  .slice-body p, .slice.is-active .slice-body p { width: auto; opacity: 1; transform: none; }
}
@media (max-width: 639px) {
  .slices { grid-template-columns: 1fr; }
  .slice { min-height: 210px; }
}

/* ---------- Clientes ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 4vw, 56px);
  margin: 0 0 clamp(36px, 5vw, 56px);
}
.stats > div { display: flex; align-items: baseline; gap: 16px; }
.stats dd {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(3.2rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent-display);
}
.stats dt { max-width: 16ch; font-size: 0.95rem; line-height: 1.4; color: var(--muted); }

.clients {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
}
.clients li {
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--bg-alt);
  transition: background-color 0.3s var(--ease);
}
.clients li:hover { background: var(--surface); }
.clients h3 { transition: transform 0.5s var(--ease); }
.clients li:hover h3 { transform: translateX(4px); }
.clients h3 { font-size: 1.3rem; letter-spacing: 0.03em; text-wrap: pretty; }
.tag {
  display: block;
  margin: 0.35rem 0 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-text);
}
.clients p { font-size: 0.95rem; color: var(--muted); }

@media (max-width: 899px) {
  .clients { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clients li:last-child { grid-column: span 2; }
}
@media (max-width: 599px) {
  .stats { grid-template-columns: 1fr; gap: 18px; }
  .stats dt { max-width: none; }
  .clients { grid-template-columns: 1fr; }
  .clients li:last-child { grid-column: auto; }
}

/* ---------- Contacto ---------- */

.contact {
  position: relative;
  padding: clamp(72px, 10vw, 128px) 0 clamp(56px, 7vw, 88px);
  color: var(--on-navy);
  color-scheme: dark;
  background:
    radial-gradient(50% 46% at 8% 0%, rgba(52, 92, 150, 0.5), transparent 70%),
    radial-gradient(40% 40% at 100% 100%, rgba(52, 92, 150, 0.28), transparent 70%),
    linear-gradient(180deg, var(--navy-900), var(--navy-950));
}
.contact { isolation: isolate; }
.contact .eyebrow { color: var(--gold-300); }
.contact h2 { font-size: clamp(2.5rem, 6vw, 5rem); line-height: 1.06; }
.contact h2 em { color: var(--gold-300); display: block; }
.contact .lead { margin-top: 1.4rem; color: var(--on-navy-muted); max-width: 52ch; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: start;
}

.contact-list { margin-top: 2.4rem; display: grid; gap: 1.4rem; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-list i { font-size: 1.5rem; color: var(--gold-300); margin-top: 2px; }
.contact-list .label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--on-navy-muted);
}
.contact-list a,
.contact-list div > span:not(.label) {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--on-navy);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-list a { background: linear-gradient(var(--gold-400), var(--gold-400)) 0 100% / 0 1px no-repeat; transition: background-size 0.3s var(--ease); }
.contact-list a:hover { background-size: 100% 1px; }
.contact-note { margin-top: 1.8rem; font-size: 0.9rem; color: var(--on-navy-muted); }

.form {
  padding: clamp(24px, 3.2vw, 40px);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--on-navy-line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.form h3 { margin-bottom: 1.5rem; font-size: 1.5rem; }

.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { font-size: 0.875rem; font-weight: 600; color: var(--on-navy); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  background: rgba(7, 20, 42, 0.6);
  color: var(--on-navy);
  font: 400 1rem/1.4 var(--sans);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 112px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(209, 170, 102, 0.28);
}
.field [aria-invalid="true"] { border-color: #ff9d8a; }

.select { position: relative; }
.select select { appearance: none; -webkit-appearance: none; padding-right: 2.6rem; }
.select i {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--on-navy-muted);
}

.help { margin: 0; font-size: 0.82rem; color: var(--on-navy-muted); }
.error { margin: 0; font-size: 0.85rem; font-weight: 500; color: #ffb3a4; }
.form-status { margin: 14px 0 0; min-height: 1.4em; font-size: 0.9rem; color: var(--gold-300); }

.deliverables {
  margin-top: clamp(48px, 6vw, 80px);
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid var(--on-navy-line);
}
.deliverables > h3 { margin-bottom: 1.8rem; color: var(--gold-300); font-style: italic; }
.deliverables ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 48px);
}
.deliverables li { padding-left: 20px; border-left: 1.5px solid var(--gold-400); }
.deliverables h4 { font-size: 1.2rem; margin-bottom: 0.4rem; letter-spacing: -0.01em; }
.deliverables p { font-size: 0.95rem; color: var(--on-navy-muted); }

@media (max-width: 899px) {
  .contact-grid { grid-template-columns: 1fr; }
  .deliverables ul { grid-template-columns: 1fr; }
}
@media (max-width: 479px) {
  .field-row { grid-template-columns: 1fr; gap: 0; }
}

/* ---------- Footer ---------- */

.footer {
  padding: 56px 0 28px;
  background: var(--navy-950);
  color: var(--on-navy-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
  gap: 40px;
  align-items: start;
}
.footer-brand img { width: 150px; height: auto; }
.footer-brand p { margin-top: 18px; font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--gold-300); }
.footer-nav, .footer-contact { display: grid; gap: 10px; justify-items: start; }
.footer a { text-decoration: none; transition: color 0.2s var(--ease); overflow-wrap: anywhere; }
.footer a:hover { color: var(--on-navy); }
.footer-legal {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

@media (max-width: 767px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}