/* Bit-Util v3 · sistema visual alineado a la tarjeta y el tríptico */
:root {
  /* Marca */
  --navy-950: #041330;
  --navy-900: #061a3d;
  --navy-800: #092759;
  --navy-700: #13367a;
  --blue: #1a73c8;
  --blue-bright: #1e8cf0;
  --cyan: #3bc4e8;
  --cyan-glow: #2fe0e6;

  /* Neutros */
  --ink: #0f1f45;
  --ink-soft: #4a5873;
  --ink-muted: #6b7890;
  --line: #dde4ef;
  --surface: #f4f7fc;
  --white: #ffffff;

  /* Tipografía */
  --font-serif: "Crimson Pro", Georgia, "Times New Roman", serif;
  --font-sans: "Poppins", "Segoe UI", Arial, sans-serif;

  /* Ritmo */
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 24px 60px rgba(6, 26, 61, 0.12);
  --wrap: min(1180px, calc(100% - 40px));
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 50;
  padding: 10px 14px;
  background: var(--white);
  color: var(--navy-900);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

/* Etiquetas y botones */
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: var(--cyan);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s, transform 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-bright);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.32);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  background: rgba(59, 196, 232, 0.08);
}

.btn-sm {
  min-height: 40px;
  padding: 0 18px;
  font-size: 0.88rem;
}

/* Encabezado */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--navy-900);
  transition: background-color 0.25s, box-shadow 0.25s;
}

.site-header.is-scrolled {
  background: rgba(6, 26, 61, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(4, 19, 48, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}

.brand img {
  width: auto;
  height: 56px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a:not(.btn) {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color 0.2s;
}

.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--cyan);
  transition: right 0.25s;
}

.site-nav a:not(.btn):hover {
  color: var(--white);
}

.site-nav a:not(.btn):hover::after {
  right: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bars {
  display: grid;
  gap: 5px;
  width: 20px;
  margin: auto;
}

.nav-toggle-bars span {
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Portada */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 10vw, 128px) 0 clamp(80px, 11vw, 140px);
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: var(--white);
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 420px at 78% 45%, rgba(47, 224, 230, 0.16), transparent 70%),
    radial-gradient(640px 520px at 10% 110%, rgba(30, 140, 240, 0.18), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
}

.hero h1 {
  font-size: clamp(3.2rem, 8vw, 6rem);
  font-weight: 600;
  line-height: 0.98;
}

.hero h1::before {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-bottom: 28px;
  background: var(--cyan);
  border-radius: 2px;
}

.hero-sub {
  margin: 20px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.92);
  text-wrap: balance;
}

.hero-lead {
  max-width: 560px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-mark {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 420px;
  width: 100%;
  justify-self: end;
}

.hex-rings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ring {
  fill: none;
  stroke: url(#hexStroke);
  stroke-linejoin: round;
  transform-origin: 200px 200px;
}

.ring-1 {
  stroke-width: 1;
  opacity: 0.22;
  animation: spin 60s linear infinite;
}

.ring-2 {
  stroke-width: 1;
  opacity: 0.35;
  stroke-dasharray: 6 10;
  animation: spin 90s linear infinite reverse;
}

.ring-3 {
  stroke-width: 1.5;
  opacity: 0.18;
}

.hero-icon {
  position: relative;
  width: 44%;
  height: auto;
  filter: drop-shadow(0 0 28px rgba(47, 224, 230, 0.35));
  animation: float 7s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Cifras */
.stats {
  position: relative;
  z-index: 1;
  margin-top: -56px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stats-grid > div {
  display: grid;
  gap: 4px;
  padding: 30px 28px;
}

.stats-grid > div + div {
  border-left: 1px solid var(--line);
}

.stats-grid strong {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 2.9rem);
  font-weight: 600;
  line-height: 1;
  color: var(--blue);
}

.stats-grid span {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}

/* Secciones */
.section {
  padding: clamp(80px, 10vw, 128px) 0;
}

.section-surface {
  background: var(--surface);
}

.stats + .section {
  padding-top: clamp(88px, 10vw, 120px);
}

.section-head h2 {
  font-size: clamp(2.1rem, 4.2vw, 3.1rem);
  color: var(--ink);
  text-wrap: balance;
}

.section-head > p:not(.eyebrow),
.section-head-split > p {
  margin: 18px 0 0;
  color: var(--ink-soft);
  max-width: 620px;
}

.section-head-center {
  max-width: 720px;
  margin: 0 auto clamp(40px, 6vw, 64px);
  text-align: center;
}

.section-head-center > p:not(.eyebrow) {
  margin-inline: auto;
}

.section-head-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: end;
  gap: 24px 64px;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.section-head-split > p {
  margin: 0;
}

.text-link {
  color: var(--blue);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 115, 200, 0.3);
  transition: border-color 0.2s, color 0.2s;
}

.text-link:hover {
  color: var(--navy-800);
  border-color: currentColor;
}

.text-link-light {
  color: var(--cyan);
  border-color: rgba(59, 196, 232, 0.4);
}

.text-link-light:hover {
  color: var(--white);
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* Pilares */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar {
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s, opacity 0.6s;
}

.pillar:hover {
  border-color: rgba(26, 115, 200, 0.35);
  box-shadow: var(--shadow);
}

.pillar-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(47, 224, 230, 0.16), rgba(30, 140, 240, 0.16));
}

.pillar-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pillar h3 {
  font-size: 1.75rem;
  color: var(--ink);
}

.pillar p {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

/* Qué hacemos */
.services-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}

.services-layout .section-head {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}

.callout {
  margin-top: 36px;
  padding: 32px;
  border-radius: var(--radius);
  background: var(--navy-800);
  color: var(--white);
}

.callout h3 {
  font-size: 1.6rem;
  line-height: 1.2;
}

.callout p {
  margin: 10px 0 18px;
  color: rgba(255, 255, 255, 0.75);
}

.service-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.service:first-child {
  padding-top: 0;
}

.service-num {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--blue);
}

.service h3 {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--ink);
}

.service p {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.service-try {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.9rem;
}

/* Productos */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.product {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.product-shot {
  margin: 0;
  padding: 28px 28px 0;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
}

.product-shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 394;
  object-fit: cover;
  object-position: top left;
  border-radius: 10px 10px 0 0;
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.3);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 32px;
}

.product-sector {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.product h3 {
  font-size: 2.2rem;
  color: var(--ink);
}

.product-body > p:not(.product-sector) {
  margin: 8px 0 0;
  color: var(--ink-soft);
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li,
.chips li {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.85rem;
  color: var(--ink);
}

.product-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: auto;
  padding-top: 28px;
}

.also-built {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
  margin-top: 28px;
  padding: 24px 32px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.also-built p {
  margin: 0;
  color: var(--ink-soft);
}

.also-built .eyebrow {
  display: block;
  margin-bottom: 4px;
}

.also-built strong {
  color: var(--ink);
  font-weight: 600;
}

/* Clientes */
.client-logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin: 0 0 48px;
  padding: 0;
  list-style: none;
}

.client-logos li {
  display: grid;
  place-items: center;
  height: 110px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.client-logos img {
  width: auto;
  max-width: 100%;
  max-height: 74px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.75;
  transition: filter 0.3s, opacity 0.3s;
}

.client-logos li:hover img {
  filter: none;
  opacity: 1;
}

.client-sectors {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.sector {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.sector-title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

.sector-list + .sector-title {
  margin-top: 28px;
}

.sector-list {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 2;
}

.sector-list-cols {
  columns: 3 180px;
  column-gap: 32px;
}

/* Trayectoria */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  opacity: 0.35;
}

.timeline li {
  position: relative;
  padding-top: 36px;
}

.timeline li::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 0;
  width: 16px;
  height: 16px;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 2px var(--blue);
}

.timeline li:last-child::before {
  background: var(--cyan);
  box-shadow: 0 0 0 2px var(--cyan), 0 0 16px var(--cyan);
}

.timeline-year {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 600;
  line-height: 1;
  color: var(--blue);
}

.timeline h3 {
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0;
  color: var(--ink);
}

.timeline p {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.brand-story {
  display: grid;
  grid-template-columns: 1fr auto 1fr 0.8fr;
  align-items: start;
  gap: 24px;
  margin-top: clamp(56px, 8vw, 88px);
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.brand-story figure {
  margin: 0;
}

.brand-frame {
  display: grid;
  place-items: center;
  height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  overflow: hidden;
}

.brand-frame img {
  width: auto;
  max-width: 100%;
  max-height: 110px;
}

.brand-frame-dark {
  border-color: transparent;
  background: var(--navy-900);
}

.brand-proof .brand-frame {
  padding: 0;
}

.brand-proof .brand-frame img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  object-position: top;
}

.brand-story figcaption {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.5;
}

.brand-story figcaption strong {
  color: var(--ink);
}

.brand-arrow {
  align-self: center;
  margin-top: -32px;
  font-size: 1.6rem;
  color: var(--blue);
}

.experience {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  margin-top: clamp(56px, 8vw, 88px);
}

.experience-intro h3 {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  color: var(--ink);
}

.experience-intro p:not(.eyebrow) {
  margin: 16px 0 20px;
  color: var(--ink-soft);
}

.career-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.career-grid li {
  display: grid;
  grid-template-rows: 56px auto;
  place-items: center;
  gap: 10px;
  padding: 18px 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  text-align: center;
}

.career-grid img {
  width: auto;
  max-width: 100%;
  max-height: 44px;
  object-fit: contain;
}

.career-grid span {
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.3;
}

.career-grid .career-text {
  grid-template-rows: 1fr;
}

.career-grid .career-text span {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
}

/* Tecnologías */
.tech-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.tech-groups {
  display: grid;
  gap: 28px;
}

.tech-group h3 {
  margin-bottom: 12px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 8px 16px;
  font-size: 0.9rem;
}

/* Cómo trabajamos */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 54px;
  right: -21px;
  width: 20px;
  height: 2px;
  background: var(--line);
}

.step-num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--navy-800);
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
}

.steps h3 {
  font-size: 1.5rem;
  color: var(--ink);
}

.steps p {
  margin: 6px 0 0;
  color: var(--ink-soft);
}

/* Contacto */
.contact {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 10vw, 128px) 0;
  background:
    radial-gradient(560px 420px at 90% 10%, rgba(47, 224, 230, 0.12), transparent 70%),
    linear-gradient(180deg, var(--navy-800), var(--navy-900));
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}

.contact h2 {
  font-size: clamp(2.3rem, 4.6vw, 3.4rem);
}

.contact-copy > p:not(.eyebrow) {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.75);
}

.contact-list {
  display: grid;
  justify-items: start;
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.contact-link {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: border-color 0.2s, color 0.2s;
}

.contact-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 400;
  transition: border-color 0.2s, background-color 0.2s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  outline: none;
  box-shadow: 0 0 0 3px rgba(26, 115, 200, 0.15);
}

.contact-form textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.form-actions .btn:disabled {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}

.form-note {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.form-status {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}

.form-status.is-ok {
  background: #e7f6ee;
  color: #135c36;
}

.form-status.is-error {
  background: #fdecea;
  color: #8a1f14;
}

.form-status a {
  font-weight: 600;
}

/* Campo trampa para robots: fuera de la vista y del lector de pantalla. */
.trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Aparición al hacer scroll (solo con JS) */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Pie */
.site-footer {
  padding: 64px 0 28px;
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
}

.footer-brand img {
  width: auto;
  height: 56px;
  margin-bottom: 16px;
}

.footer-brand p {
  max-width: 360px;
  margin: 0;
}

.footer-title {
  margin-bottom: 14px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list a,
.footer-bottom a {
  text-decoration: none;
  transition: color 0.2s;
}

.footer-list a:hover,
.footer-bottom a:hover {
  color: var(--white);
}

.version {
  display: inline-block;
  margin-left: 10px;
  padding: 1px 10px;
  border: 1px solid rgba(59, 196, 232, 0.45);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  vertical-align: 1px;
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 20px;
}

.credits summary {
  cursor: pointer;
}

.credits p {
  max-width: 320px;
  margin: 8px 0 0;
}

.credits a {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Responsivo */
@media (max-width: 1080px) {
  .client-logos {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 32px;
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 7px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, var(--cyan), var(--blue));
  }

  .timeline li {
    padding: 0 0 32px;
  }

  .timeline li::before {
    top: 6px;
    left: -32px;
  }

  .timeline-year {
    font-size: 1.6rem;
  }

  .brand-story {
    grid-template-columns: 1fr 1fr;
  }

  .brand-arrow {
    display: none;
  }

  .brand-proof {
    grid-column: 1 / -1;
    max-width: 420px;
  }

  .experience {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps li::after {
    display: none;
  }
}

@media (max-width: 960px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 24px;
    background: var(--navy-900);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(4, 19, 48, 0.4);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a:not(.btn) {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav a:not(.btn)::after {
    display: none;
  }

  .nav-cta {
    margin-top: 18px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-mark {
    order: -1;
    max-width: 150px;
    margin-bottom: -8px;
    justify-self: start;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid > div:nth-child(3) {
    border-left: 0;
  }

  .stats-grid > div:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .section-head-split,
  .services-layout,
  .tech-layout,
  .contact-grid,
  .client-sectors {
    grid-template-columns: 1fr;
  }

  .services-layout .section-head {
    position: static;
  }

  .pillar-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  :root {
    --wrap: calc(100% - 32px);
    --header-h: 68px;
  }

  .brand img {
    height: 42px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stats-grid > div {
    padding: 22px 18px;
  }

  .client-logos {
    grid-template-columns: repeat(2, 1fr);
  }

  .career-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .brand-story {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .steps,
  .field-row {
    grid-template-columns: 1fr;
  }

  .service {
    grid-template-columns: 48px 1fr;
  }

  .pillar,
  .sector,
  .product-body,
  .callout {
    padding: 24px;
  }

  .product-shot {
    padding: 18px 18px 0;
  }

  .contact-list .btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}