/* Castali — dirección visual editorial 2026 */
:root {
  --ink: #07131f;
  --ink-soft: #0d2234;
  --ink-blue: #102b42;
  --paper: #f3efe6;
  --paper-deep: #e6dfd2;
  --chalk: #fbf8f0;
  --gold: #b99a61;
  --gold-light: #ddc590;
  --silver: #a9b2b8;
  --silver-dark: #66737c;
  --line-dark: rgba(7, 19, 31, 0.18);
  --line-light: rgba(255, 255, 255, 0.2);
  --display: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
  --page-pad: clamp(1.25rem, 4vw, 4.5rem);
  --section-space: clamp(6.5rem, 12vw, 11rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

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

body:has(dialog[open]) {
  overflow: hidden;
}

::selection {
  background: var(--gold);
  color: var(--ink);
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

address {
  font-style: normal;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 5px;
}

.container {
  width: min(100%, 98rem);
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

.on-dark {
  color: var(--chalk);
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.8rem 1rem;
  transform: translateY(-180%);
  background: var(--gold-light);
  color: var(--ink);
  font-weight: 700;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.eyebrow,
.micro-label,
.footer-label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--silver-dark);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.8rem;
  height: 1px;
  background: currentColor;
  content: "";
}

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

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  border: 1px solid transparent;
  border-radius: 0;
  padding: 0.75rem 1.35rem;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
  transition:
    background-color 260ms var(--ease),
    border-color 260ms var(--ease),
    color 260ms var(--ease),
    transform 260ms var(--ease);
}

.button svg,
.nav-cta svg,
.text-link svg {
  width: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--gold-light);
  color: var(--ink);
}

.button-primary:hover {
  background: var(--chalk);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.46);
  color: var(--chalk);
}

.button-ghost:hover {
  border-color: var(--gold-light);
  background: rgba(7, 19, 31, 0.4);
}

.button-secondary {
  border-color: var(--line-dark);
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--ink);
}

.button-tertiary {
  min-height: 2.75rem;
  padding-inline: 0;
  background: transparent;
  color: var(--silver-dark);
}

.button-large {
  min-height: 3.75rem;
  padding-inline: 1.6rem;
}

.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
  transition: color 200ms ease, gap 200ms ease;
}

.text-link:hover {
  gap: 1.05rem;
  color: var(--gold);
}

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

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--chalk);
  transition: background-color 300ms ease, backdrop-filter 300ms ease;
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  content: "";
}

.site-header.is-scrolled {
  background: linear-gradient(90deg, rgba(25, 58, 86, 0.86), rgba(8, 27, 44, 0.76));
  box-shadow: 0 1rem 2.5rem rgba(3, 10, 16, 0.16);
  -webkit-backdrop-filter: blur(20px) saturate(1.18);
  backdrop-filter: blur(20px) saturate(1.18);
}

.nav-shell {
  display: grid;
  width: min(100%, 98rem);
  min-height: 5.5rem;
  align-items: center;
  margin-inline: auto;
  padding-inline: var(--page-pad);
  grid-template-columns: 9rem 1fr auto;
}

.brand {
  position: relative;
  display: block;
  width: 7rem;
  height: 5rem;
  overflow: hidden;
}

.brand > img {
  position: absolute;
  top: 61.6%;
  left: 52.4%;
  z-index: 1;
  display: block;
  width: 159%;
  max-width: none;
  height: auto;
  transform: translate(-50%, -50%);
  filter: contrast(0.9) brightness(1.65) saturate(1.2) drop-shadow(0 0 0.42rem rgba(31, 116, 210, 0.5)) drop-shadow(0 0.2rem 0.45rem rgba(0, 0, 0, 0.46));
}

.brand,
.contact-logo,
.footer-logo {
  isolation: auto;
}

.brand::after,
.contact-logo::after,
.footer-logo::after {
  content: none;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 2.4vw, 2.8rem);
}

.nav-links a {
  position: relative;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: rgba(251, 248, 240, 0.68);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--gold-light);
  content: "";
  transition: transform 260ms var(--ease);
}

.nav-links a:hover,
.nav-links a[aria-current="location"] {
  color: var(--chalk);
}

.nav-links a:hover::after,
.nav-links a[aria-current="location"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  gap: 0.75rem;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  padding-left: 1.4rem;
  color: var(--gold-light);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-cta svg {
  transition: transform 200ms ease;
}

.nav-cta:hover svg {
  transform: translateX(4px);
}

.menu-trigger {
  display: none;
  width: 3rem;
  height: 3rem;
  place-content: center;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  color: var(--gold-light);
  cursor: pointer;
}

.menu-trigger span {
  display: block;
  width: 1.5rem;
  height: 1px;
  margin: 0.25rem auto;
  background: currentColor;
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  overflow: hidden;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--gold-light);
}

/* Hero */
.hero {
  position: relative;
  min-height: max(48rem, 100svh);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.88), rgba(7, 19, 31, 0.18)),
    url("assets/pexels-01-hero-construccion.webp") center / cover no-repeat;
}

.hero-video,
.hero-shade,
.hero-gridlines,
.hero-grain {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center 45%;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(5, 15, 24, 0.94) 0%, rgba(5, 15, 24, 0.68) 41%, rgba(5, 15, 24, 0.2) 76%, rgba(5, 15, 24, 0.44) 100%),
    linear-gradient(180deg, rgba(5, 15, 24, 0.48) 0%, transparent 35%, rgba(5, 15, 24, 0.84) 100%);
}

.hero-gridlines {
  z-index: 2;
  width: min(100% - calc(var(--page-pad) * 2), 89rem);
  margin-inline: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  background-image:
    linear-gradient(90deg, transparent calc(25% - 1px), rgba(255, 255, 255, 0.09) 25%, transparent calc(25% + 1px)),
    linear-gradient(90deg, transparent calc(75% - 1px), rgba(255, 255, 255, 0.09) 75%, transparent calc(75% + 1px));
}

.hero-grain {
  z-index: 3;
  opacity: 0.08;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}

.hero-layout {
  position: relative;
  z-index: 4;
  display: grid;
  min-height: max(48rem, 100svh);
  align-items: end;
  padding-top: 9.5rem;
  padding-bottom: 2rem;
  grid-template-columns: 3rem minmax(0, 1fr) minmax(10rem, 0.28fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(1.5rem, 4vw, 4.5rem);
}

.hero-index {
  display: flex;
  min-height: 27rem;
  align-items: center;
  align-self: center;
  justify-content: space-between;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: rgba(251, 248, 240, 0.56);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-index i {
  width: 1px;
  height: 5rem;
  background: rgba(255, 255, 255, 0.28);
}

.hero-copy {
  align-self: center;
  padding-top: 3rem;
}

.hero-copy h1 {
  max-width: 9ch;
  margin-top: clamp(1.2rem, 2.2vw, 2.2rem);
  color: var(--chalk);
  font-family: var(--display);
  font-size: clamp(5rem, 10.2vw, 10.8rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.76;
}

.hero-copy h1 em {
  display: block;
  margin-left: clamp(2rem, 8vw, 9rem);
  color: var(--gold-light);
  font-weight: 400;
}

.hero-intro {
  max-width: 40rem;
  margin: clamp(2rem, 3.5vw, 3.6rem) 0 0 clamp(2rem, 8vw, 9rem);
  color: rgba(251, 248, 240, 0.8);
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 0 clamp(2rem, 8vw, 9rem);
}

.hero-side-note {
  align-self: center;
  border-top: 1px solid rgba(255, 255, 255, 0.34);
  padding-top: 1rem;
}

.hero-side-number {
  color: var(--gold-light);
  font-family: var(--display);
  font-size: clamp(2.6rem, 4.5vw, 4.5rem);
  line-height: 1;
}

.hero-side-note p {
  max-width: 13rem;
  margin-top: 0.75rem;
  color: rgba(251, 248, 240, 0.66);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.7;
  text-transform: uppercase;
}

.hero-bottom {
  display: grid;
  align-items: end;
  padding-top: 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  grid-column: 2 / -1;
  grid-template-columns: 1fr auto;
  gap: 2rem;
}

.hero-bottom ol {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.hero-bottom li {
  display: grid;
  color: rgba(251, 248, 240, 0.76);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-bottom li span {
  margin-bottom: 0.3rem;
  color: var(--gold-light);
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0;
}

.video-toggle {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.7rem;
  border: 0;
  background: transparent;
  color: rgba(251, 248, 240, 0.74);
  cursor: pointer;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.video-toggle-icon {
  position: relative;
  display: block;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
}

.video-toggle-icon::before,
.video-toggle-icon::after {
  position: absolute;
  top: 50%;
  width: 2px;
  height: 0.65rem;
  transform: translateY(-50%);
  background: var(--chalk);
  content: "";
}

.video-toggle-icon::before {
  left: 0.75rem;
}

.video-toggle-icon::after {
  right: 0.75rem;
}

.video-toggle[aria-pressed="true"] .video-toggle-icon::before {
  top: 50%;
  left: 0.77rem;
  width: 0;
  height: 0;
  transform: translateY(-50%);
  border-top: 0.35rem solid transparent;
  border-bottom: 0.35rem solid transparent;
  border-left: 0.55rem solid var(--chalk);
  background: transparent;
}

.video-toggle[aria-pressed="true"] .video-toggle-icon::after {
  display: none;
}

/* Proof strip */
.proof-strip {
  position: relative;
  min-height: 19rem;
  overflow: hidden;
  background: var(--ink);
  color: var(--chalk);
}

.proof-strip::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(185, 154, 97, 0.16), transparent 50%);
  content: "";
}

.proof-monogram {
  position: absolute;
  top: 50%;
  right: -5rem;
  width: 25rem;
  height: 25rem;
  overflow: hidden;
  transform: translateY(-50%);
  opacity: 0.12;
  mix-blend-mode: screen;
}

.proof-monogram img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1) brightness(2);
}

.proof-grid {
  position: relative;
  display: grid;
  min-height: 19rem;
  align-items: center;
  grid-template-columns: 1.1fr 1fr auto;
  gap: clamp(2rem, 5vw, 6rem);
}

.proof-grid h2 {
  max-width: 18ch;
  margin-top: 0.7rem;
  font-family: var(--display);
  font-size: clamp(2rem, 3.4vw, 3.7rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
}

.proof-grid dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.proof-grid dl div {
  display: flex;
  min-height: 6rem;
  flex-direction: column-reverse;
  justify-content: space-between;
  border-left: 1px solid var(--line-light);
  padding-inline: 1.2rem;
}

.proof-grid dt {
  color: rgba(251, 248, 240, 0.55);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.proof-grid dd {
  color: var(--gold-light);
  font-family: var(--display);
  font-size: clamp(2rem, 3vw, 3.25rem);
  line-height: 1;
}

.proof-grid .micro-label {
  color: var(--gold-light);
}

.proof-grid .text-link {
  align-self: center;
  color: var(--chalk);
  white-space: nowrap;
}

/* Services */
.services {
  overflow: hidden;
  background: var(--paper);
}

.services-backdrop {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 36%;
  opacity: 0.16;
  background:
    linear-gradient(90deg, var(--paper), transparent 45%),
    url("assets/pexels-05-diagnostico-planos.webp") center / cover no-repeat;
  filter: grayscale(1);
}

.services-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(17rem, 0.72fr) minmax(0, 1.45fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.services-intro {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.services-intro h2,
.sector-heading h2,
.process-heading h2,
.contact-heading h2 {
  max-width: 13ch;
  margin-top: 1.5rem;
  font-family: var(--display);
  font-size: clamp(3.4rem, 6.3vw, 6.7rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.services-intro h2 em,
.sector-heading h2 em,
.process-heading h2 em,
.contact-heading h2 em,
.applications-heading h2 em,
.company-statement h2 em {
  color: var(--gold);
  font-weight: 400;
}

.services-intro > p:not(.eyebrow) {
  max-width: 31rem;
  margin-top: 2rem;
  color: var(--silver-dark);
}

.services-caption {
  display: grid;
  width: min(100%, 22rem);
  margin-top: 4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-dark);
  grid-template-columns: 1fr auto;
  gap: 0.2rem 1rem;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.services-caption span {
  color: var(--silver-dark);
}

.services-caption strong {
  grid-column: 1 / -1;
  font-size: 0.72rem;
}

.services-caption small {
  color: var(--gold);
  grid-column: 1 / -1;
}

.service-ledger {
  border-bottom: 1px solid var(--line-dark);
}

.service-row {
  position: relative;
  display: grid;
  min-height: 16rem;
  align-items: start;
  padding: 2rem 1rem 2rem 0;
  border-top: 1px solid var(--line-dark);
  grid-template-columns: 5rem minmax(0, 1fr) 8.5rem;
  gap: 1.4rem;
  transition: padding 350ms var(--ease), background 350ms var(--ease);
}

.service-row::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: scaleX(0);
  transform-origin: right;
  background: rgba(185, 154, 97, 0.12);
  content: "";
  transition: transform 420ms var(--ease);
}

.service-row:hover {
  padding-left: 1.2rem;
}

.service-row:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.service-code {
  color: var(--gold);
  font-family: var(--display);
  font-size: 1.35rem;
}

.service-phase {
  margin-bottom: 1.1rem;
  color: var(--silver-dark);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.service-row h3 {
  max-width: 12ch;
  font-family: var(--display);
  font-size: clamp(2rem, 3vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
}

.service-row > div > p:last-child {
  max-width: 33rem;
  margin-top: 1rem;
  color: var(--silver-dark);
}

.service-row ul {
  display: grid;
  gap: 0.55rem;
  padding-top: 2.4rem;
}

.service-row li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.service-row li::before {
  width: 0.4rem;
  height: 1px;
  background: var(--gold);
  content: "";
}

/* Sectors */
.sector-section {
  min-height: 62rem;
  overflow: hidden;
  background: var(--ink);
}

.sector-background {
  position: absolute;
  inset: 0;
  opacity: 0.36;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.98) 0%, rgba(7, 19, 31, 0.72) 55%, rgba(7, 19, 31, 0.48) 100%),
    url("assets/pexels-02-comercial-cdmx.webp") center 38% / cover no-repeat;
}

.sector-background::after {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 6rem 6rem;
  content: "";
  mask-image: linear-gradient(90deg, black, transparent 75%);
}

.sector-layout {
  position: relative;
}

.sector-heading {
  display: grid;
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 6rem);
  grid-template-columns: 1fr minmax(18rem, 0.38fr);
  gap: 3rem;
}

.sector-heading .eyebrow {
  grid-column: 1 / -1;
}

.sector-heading h2 {
  max-width: 10ch;
}

.sector-heading > p:last-child {
  color: rgba(251, 248, 240, 0.68);
}

.sector-interface {
  display: grid;
  min-height: 39rem;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  background: rgba(5, 15, 24, 0.62);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  grid-template-columns: minmax(13rem, 0.34fr) 1fr;
}

.sector-tabs {
  display: grid;
  border-right: 1px solid var(--line-light);
  grid-template-rows: repeat(3, 1fr);
}

.sector-tabs button {
  display: grid;
  min-height: 8rem;
  align-content: center;
  justify-items: start;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  padding: 1.7rem;
  background: transparent;
  color: rgba(251, 248, 240, 0.52);
  cursor: pointer;
  text-align: left;
  transition: color 250ms ease, background 250ms ease, padding 300ms var(--ease);
}

.sector-tabs button:last-child {
  border-bottom: 0;
}

.sector-tabs button:hover,
.sector-tabs button[aria-selected="true"] {
  padding-left: 2.2rem;
  background: rgba(185, 154, 97, 0.12);
  color: var(--chalk);
}

.sector-tabs button span {
  color: var(--gold-light);
  font-family: var(--display);
  font-size: 1.25rem;
}

.sector-tabs button strong {
  margin-top: 0.25rem;
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.sector-tabs button small {
  margin-top: 0.35rem;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.sector-panels,
.sector-panel {
  min-width: 0;
  height: 100%;
}

.sector-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(16rem, 0.72fr);
}

.sector-panel-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 5.5rem);
}

.panel-index {
  color: var(--gold-light);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sector-panel h3 {
  max-width: 12ch;
  margin-top: 1.4rem;
  font-family: var(--display);
  font-size: clamp(2.8rem, 4.5vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.94;
}

.sector-panel-copy > p:nth-of-type(2) {
  max-width: 40rem;
  margin-top: 1.6rem;
  color: rgba(251, 248, 240, 0.68);
}

.sector-panel dl {
  display: grid;
  margin-top: 2rem;
  border-top: 1px solid var(--line-light);
  grid-template-columns: repeat(3, 1fr);
}

.sector-panel dl div {
  padding: 1rem 1rem 1rem 0;
  border-right: 1px solid var(--line-light);
}

.sector-panel dl div:not(:first-child) {
  padding-left: 1rem;
}

.sector-panel dt {
  color: var(--gold-light);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sector-panel dd {
  margin-top: 0.45rem;
  color: rgba(251, 248, 240, 0.76);
  font-size: 0.72rem;
}

.sector-panel .text-link {
  align-self: flex-start;
  margin-top: 2rem;
}

.sector-panel figure {
  position: relative;
  min-height: 39rem;
  overflow: hidden;
}

.sector-panel figure::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, transparent 65%, rgba(7, 19, 31, 0.78));
  content: "";
}

.sector-panel img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  transition: transform 1s var(--ease);
}

.sector-panel:hover img {
  transform: scale(1.025);
}

.sector-panel figcaption {
  position: absolute;
  right: 1.2rem;
  bottom: 1.2rem;
  left: 1.2rem;
  z-index: 1;
  color: rgba(251, 248, 240, 0.66);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Application chapters */
.applications {
  padding-block: var(--section-space) 0;
  background: var(--paper);
}

.applications-heading {
  display: grid;
  align-items: end;
  padding-bottom: clamp(4rem, 8vw, 7rem);
  grid-template-columns: 1fr minmax(16rem, 0.34fr);
  gap: 3rem;
}

.applications-heading h2 {
  margin-top: 1.3rem;
  font-family: var(--display);
  font-size: clamp(4rem, 8vw, 8.5rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.82;
}

.applications-heading > p {
  color: var(--silver-dark);
}

.application-chapter {
  position: relative;
  min-height: min(78rem, 86svh);
  color: var(--chalk);
  background-position: center;
  background-size: cover;
}

.application-chapter--diagnosis {
  background-image: url("assets/pexels-05-diagnostico-planos.webp");
}

.application-chapter--control {
  background-image: url("assets/pexels-06-control-tablet.webp");
}

.application-chapter--operation {
  background-image: url("assets/pexels-07-operacion-arquitectura.webp");
}

.application-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.88), rgba(7, 19, 31, 0.08) 75%),
    linear-gradient(180deg, rgba(7, 19, 31, 0.15), rgba(7, 19, 31, 0.84));
}

.application-content {
  position: relative;
  display: grid;
  min-height: min(78rem, 86svh);
  align-items: end;
  padding-bottom: clamp(3rem, 7vw, 7rem);
  column-gap: clamp(1.5rem, 4vw, 4rem);
  grid-template-columns: minmax(7rem, 0.22fr) 1fr;
}

.application-number {
  align-self: end;
  padding-bottom: 0.08em;
  color: rgba(251, 248, 240, 0.52);
  font-family: var(--display);
  font-size: clamp(6rem, 12vw, 13rem);
  letter-spacing: -0.08em;
  line-height: 0.72;
}

.application-content > div {
  border-top: 1px solid rgba(255, 255, 255, 0.44);
  padding-top: 1.6rem;
}

.application-content p {
  color: var(--gold-light);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.application-content h3 {
  margin-top: 0.8rem;
  font-family: var(--display);
  font-size: clamp(4rem, 8.5vw, 9rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.83;
}

.application-content h3 em {
  color: var(--gold-light);
  font-weight: 400;
}

.application-content ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.8rem;
  margin-top: 2rem;
}

.application-content li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(251, 248, 240, 0.78);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.application-content li::before {
  width: 0.8rem;
  height: 1px;
  background: var(--gold-light);
  content: "";
}

.integrity-note {
  padding-block: 1.5rem;
  color: var(--silver-dark);
  font-size: 0.68rem;
  line-height: 1.65;
}

/* Process */
.process {
  min-height: 70rem;
  overflow: hidden;
  background: var(--ink);
}

.process-background {
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.98) 0%, rgba(7, 19, 31, 0.76) 55%, rgba(7, 19, 31, 0.55)),
    url("assets/pexels-04-industrial-ejecucion.webp") center / cover no-repeat;
}

.process-background::after {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image: repeating-linear-gradient(135deg, transparent 0 31px, rgba(255, 255, 255, 0.035) 32px 33px);
  content: "";
}

.process-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(18rem, 0.7fr) minmax(0, 1.35fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.process-heading {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.process-heading h2 {
  max-width: 10ch;
}

.process-heading > p:not(.eyebrow) {
  max-width: 29rem;
  margin-top: 2rem;
  color: rgba(251, 248, 240, 0.66);
}

.process-axis {
  display: block;
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-light);
  color: var(--gold-light);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.process-list {
  border-bottom: 1px solid var(--line-light);
  counter-reset: process;
}

.process-list li {
  display: grid;
  min-height: 12.5rem;
  align-items: center;
  border-top: 1px solid var(--line-light);
  grid-template-columns: 4.2rem minmax(11rem, 0.7fr) minmax(12rem, 1fr) auto;
  gap: 1.4rem;
}

.process-number {
  color: var(--gold-light);
  font-family: var(--display);
  font-size: 1.65rem;
}

.process-list li > div > p {
  color: rgba(251, 248, 240, 0.48);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.process-list h3 {
  font-family: var(--display);
  font-size: clamp(2rem, 3vw, 3.3rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
}

.process-list li > p {
  color: rgba(251, 248, 240, 0.62);
  font-size: 0.86rem;
}

.process-list strong {
  color: var(--gold-light);
  font-size: 0.58rem;
  letter-spacing: 0.11em;
  text-align: right;
  text-transform: uppercase;
}

/* Capabilities */
.capabilities {
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(243, 239, 230, 0.98), rgba(243, 239, 230, 0.88)),
    url("assets/pexels-01-hero-construccion.webp") center / cover no-repeat;
}

.capabilities-watermark {
  position: absolute;
  top: 2rem;
  left: -12rem;
  width: 48rem;
  height: 48rem;
  overflow: hidden;
  opacity: 0.045;
  mix-blend-mode: multiply;
}

.capabilities-watermark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1);
}

.capabilities-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(15rem, 0.6fr) minmax(0, 1.5fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.capabilities-heading {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.capabilities-count {
  margin-top: 1.5rem;
  color: var(--gold);
  font-family: var(--display);
  font-size: clamp(8rem, 15vw, 15rem);
  letter-spacing: -0.08em;
  line-height: 0.78;
}

.capabilities-heading h2 {
  max-width: 14ch;
  margin-top: 2rem;
  font-family: var(--display);
  font-size: clamp(2.3rem, 4vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 0.96;
}

.capability-ledger {
  border-top: 1px solid var(--line-dark);
}

.capability-featured {
  position: relative;
  min-height: 25rem;
  padding: clamp(2rem, 5vw, 5rem);
  overflow: hidden;
  background: var(--ink);
  color: var(--chalk);
}

.capability-featured::after {
  position: absolute;
  right: -8rem;
  bottom: -8rem;
  width: 20rem;
  height: 20rem;
  border: 1px solid rgba(221, 197, 144, 0.3);
  border-radius: 50%;
  box-shadow:
    0 0 0 2rem rgba(221, 197, 144, 0.04),
    0 0 0 5rem rgba(221, 197, 144, 0.03);
  content: "";
}

.capability-featured > p {
  color: var(--gold-light);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.capability-featured h3 {
  max-width: 11ch;
  margin-top: 2rem;
  font-family: var(--display);
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.88;
}

.capability-featured > span {
  display: block;
  max-width: 35rem;
  margin-top: 2rem;
  color: rgba(251, 248, 240, 0.66);
}

.capability-list article {
  display: grid;
  min-height: 8.75rem;
  align-items: center;
  border-bottom: 1px solid var(--line-dark);
  grid-template-columns: 5rem minmax(12rem, 0.8fr) 1fr;
  gap: 1.5rem;
  transition: padding 320ms var(--ease), color 220ms ease;
}

.capability-list article:hover {
  padding-inline: 1rem;
  color: #6e572f;
}

.capability-list article > span {
  color: var(--gold);
  font-family: var(--display);
  font-size: 1.2rem;
}

.capability-list h3 {
  font-family: var(--display);
  font-size: clamp(1.65rem, 2.4vw, 2.5rem);
  font-weight: 400;
  line-height: 1;
}

.capability-list p {
  color: var(--silver-dark);
  font-size: 0.78rem;
}

/* Company */
.company {
  min-height: 62rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
}

.company-background {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.96) 0%, rgba(7, 19, 31, 0.74) 48%, rgba(7, 19, 31, 0.36) 100%),
    url("assets/pexels-07-operacion-arquitectura.webp") center 42% / cover no-repeat;
}

.company-background::after {
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 15rem rgba(7, 19, 31, 0.72);
  content: "";
}

.company-layout {
  position: relative;
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.55fr);
  gap: clamp(3rem, 9vw, 10rem);
}

.company-statement {
  padding-block: 2rem;
}

.company-statement h2 {
  max-width: 11ch;
  margin-top: 1.5rem;
  font-family: var(--display);
  font-size: clamp(4.2rem, 8vw, 8.5rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.83;
}

.company-statement > p:not(.eyebrow) {
  max-width: 42rem;
  margin-top: 2.5rem;
  color: rgba(251, 248, 240, 0.72);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
}

.company-statement .text-link {
  margin-top: 2.2rem;
}

.company-principles {
  background: rgba(7, 19, 31, 0.62);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.company-principles article {
  display: grid;
  min-height: 9.5rem;
  align-content: center;
  border-top: 1px solid var(--line-light);
  padding: 1.5rem;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
}

.company-principles article:last-child {
  border-bottom: 1px solid var(--line-light);
}

.company-principles span {
  color: var(--gold-light);
  font-family: var(--display);
  font-size: 1.35rem;
}

.company-principles h3 {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 400;
}

.company-principles p {
  margin-top: 0.25rem;
  color: rgba(251, 248, 240, 0.56);
  font-size: 0.75rem;
}

/* Location */
.location-section {
  position: relative;
  min-height: 52rem;
  overflow: hidden;
  background: var(--ink);
}

.location-map {
  position: absolute;
  inset: 0;
  background: var(--paper-deep);
}

.location-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.22) saturate(0.88) contrast(1.02) brightness(1.08);
}

.location-map iframe:focus-visible {
  outline: 3px solid var(--gold-light);
  outline-offset: -5px;
}

.location-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.78) 0%, rgba(7, 19, 31, 0.3) 34%, transparent 50%),
    linear-gradient(180deg, rgba(7, 19, 31, 0.08), transparent 58%);
}

.location-layout {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 52rem;
  align-items: center;
  pointer-events: none;
  grid-template-columns: minmax(19rem, 0.6fr) 1fr;
}

.location-card {
  width: min(100%, 38rem);
  padding: clamp(2.2rem, 5vw, 5rem);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(7, 19, 31, 0.92);
  box-shadow: 0 2rem 6rem rgba(3, 10, 16, 0.28);
  pointer-events: auto;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.location-card h2 {
  max-width: 10ch;
  margin-top: 1.4rem;
  color: var(--chalk);
  font-family: var(--display);
  font-size: clamp(3.2rem, 5.6vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.location-card > p:not(.eyebrow) {
  max-width: 31rem;
  margin-top: 1.8rem;
  color: rgba(251, 248, 240, 0.66);
}

.location-spec {
  display: grid;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  grid-template-columns: repeat(2, 1fr);
}

.location-spec div {
  display: flex;
  min-height: 6.5rem;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 0;
}

.location-spec div + div {
  border-left: 1px solid var(--line-light);
  padding-left: 1.5rem;
}

.location-spec span {
  color: rgba(251, 248, 240, 0.48);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.location-spec strong {
  margin-top: 0.2rem;
  color: var(--gold-light);
  font-family: var(--display);
  font-size: 2.6rem;
  font-weight: 400;
  line-height: 1;
}

.location-card address {
  margin-top: 2rem;
  color: rgba(251, 248, 240, 0.68);
  font-size: 0.82rem;
  line-height: 1.8;
}

.location-card address strong {
  display: block;
  color: var(--chalk);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.location-card .button {
  margin-top: 2rem;
}

.location-map-note {
  position: absolute;
  right: var(--page-pad);
  bottom: 1.5rem;
  z-index: 2;
  padding: 0.55rem 0.75rem;
  background: rgba(7, 19, 31, 0.82);
  color: var(--gold-light);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  pointer-events: none;
  text-transform: uppercase;
}

/* Contact and form */
.contact {
  overflow: hidden;
  background: var(--ink-soft);
}

.contact-background {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background:
    linear-gradient(135deg, rgba(7, 19, 31, 0.98), rgba(7, 19, 31, 0.58)),
    url("assets/pexels-06-control-tablet.webp") center / cover no-repeat;
}

.contact-background::after {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, transparent 49.9%, rgba(255, 255, 255, 0.08) 50%, transparent 50.1%);
  content: "";
}

.contact .container {
  position: relative;
}

.contact-heading {
  display: grid;
  align-items: end;
  margin-bottom: clamp(3rem, 7vw, 6rem);
  grid-template-columns: 1fr minmax(18rem, 0.32fr);
  gap: 3rem;
}

.contact-heading .eyebrow {
  grid-column: 1 / -1;
}

.contact-heading h2 {
  max-width: 11ch;
}

.contact-heading > p:last-child {
  color: rgba(251, 248, 240, 0.66);
}

.contact-grid {
  display: grid;
  align-items: stretch;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  grid-template-columns: minmax(18rem, 0.55fr) minmax(0, 1.25fr);
}

.contact-aside {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-light);
  padding: clamp(2rem, 4vw, 4rem);
  background:
    linear-gradient(155deg, rgba(7, 19, 31, 0.72), rgba(18, 55, 82, 0.6)),
    url("assets/pexels-04-industrial-ejecucion.webp") center / cover no-repeat;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.contact-logo {
  position: relative;
  width: 13rem;
  height: 9.5rem;
  overflow: hidden;
}

.contact-logo > img {
  position: absolute;
  top: 61.4%;
  left: 52.4%;
  display: block;
  width: 161%;
  max-width: none;
  height: auto;
  transform: translate(-50%, -50%);
  filter: contrast(0.9) brightness(1.65) saturate(1.2) drop-shadow(0 0 0.6rem rgba(31, 116, 210, 0.48)) drop-shadow(0 0.25rem 0.65rem rgba(0, 0, 0, 0.48));
}

.contact-thesis {
  max-width: 18rem;
  margin-top: 2rem;
  color: var(--gold-light);
  font-family: var(--display);
  font-size: 2rem;
  line-height: 1.05;
}

.contact-aside dl {
  display: grid;
  gap: 1.6rem;
  margin-top: auto;
  padding-top: 4rem;
}

.contact-aside dl div {
  padding-top: 1rem;
  border-top: 1px solid var(--line-light);
}

.contact-aside dt {
  color: var(--gold-light);
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.contact-aside dd {
  margin-top: 0.5rem;
  color: rgba(251, 248, 240, 0.72);
  font-size: 0.76rem;
  line-height: 1.65;
}

.contact-email,
.footer-email {
  color: var(--gold-light);
  text-decoration: underline;
  text-decoration-color: rgba(231, 196, 122, 0.48);
  text-underline-offset: 0.22em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.contact-email:hover,
.contact-email:focus-visible,
.footer-email:hover,
.footer-email:focus-visible {
  color: var(--chalk);
  text-decoration-color: currentColor;
}

.form-shell {
  min-height: 48rem;
  padding: clamp(2rem, 5vw, 5rem);
  background: var(--chalk);
  color: var(--ink);
}

.form-progress {
  display: grid;
  margin-bottom: clamp(3rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line-dark);
  grid-template-columns: repeat(3, 1fr);
}

.form-progress > span {
  position: relative;
  display: grid;
  padding-bottom: 1rem;
  color: var(--silver-dark);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-progress > span::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--gold);
  content: "";
  transition: transform 260ms var(--ease);
}

.form-progress span.is-current,
.form-progress span.is-complete {
  color: var(--ink);
}

.form-progress span.is-current::after,
.form-progress span.is-complete::after {
  transform: scaleX(1);
}

.form-progress i {
  color: var(--gold);
  font-family: var(--display);
  font-size: 1.35rem;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
}

.form-step h3,
.form-success h3 {
  max-width: 14ch;
  margin-top: 0.6rem;
  font-family: var(--display);
  font-size: clamp(2.6rem, 4vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.94;
}

.form-kicker {
  color: var(--gold);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.choice-fieldset {
  margin: 2.5rem 0 0;
  padding: 0;
  border: 0;
}

.choice-fieldset legend,
.field > label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--ink);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.choice-grid label {
  position: relative;
  min-width: 0;
}

.choice-grid input {
  position: absolute;
  opacity: 0;
}

.choice-grid span {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line-dark);
  padding: 1rem 1.2rem;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.choice-grid label:nth-child(even) span {
  border-left: 0;
}

.choice-grid label:nth-child(n + 3) span {
  border-top: 0;
}

.choice-grid span::after {
  width: 0.75rem;
  height: 0.75rem;
  border: 1px solid var(--silver);
  border-radius: 50%;
  content: "";
}

.choice-grid input:checked + span {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--chalk);
}

.choice-grid input:checked + span::after {
  border: 3px solid var(--ink);
  background: var(--gold-light);
  box-shadow: 0 0 0 1px var(--gold-light);
}

.choice-grid input:focus-visible + span {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.field {
  margin-top: 1.8rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.7rem;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  border-radius: 0;
  padding: 0.75rem 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field textarea {
  min-height: 9rem;
  resize: vertical;
}

.field select {
  padding-right: 2rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  appearance: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 1px 0 var(--gold);
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.field-help {
  display: block;
  margin-top: 0.55rem;
  color: var(--silver-dark);
  font-size: 0.68rem;
}

.field-error,
.group-error,
.consent-error {
  display: none;
  margin-top: 0.5rem;
  color: #8f2f2f;
  font-size: 0.68rem;
}

.field.is-invalid .field-error,
.choice-fieldset.is-invalid .group-error,
.consent-field.is-invalid + .consent-error {
  display: block;
}

.field [aria-invalid="true"] {
  border-color: #8f2f2f;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.form-actions-split {
  justify-content: space-between;
}

.switch-field,
.consent-field {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-top: 1.8rem;
  color: var(--silver-dark);
  cursor: pointer;
  font-size: 0.72rem;
}

.switch-field input {
  position: absolute;
  opacity: 0;
}

.switch-field > span {
  position: relative;
  flex: 0 0 2.6rem;
  width: 2.6rem;
  height: 1.4rem;
  border: 1px solid var(--silver);
  border-radius: 1rem;
  transition: background 180ms ease, border-color 180ms ease;
}

.switch-field > span::after {
  position: absolute;
  top: 0.2rem;
  left: 0.2rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: var(--silver);
  content: "";
  transition: transform 180ms ease, background 180ms ease;
}

.switch-field input:checked + span {
  border-color: var(--ink);
  background: var(--ink);
}

.switch-field input:checked + span::after {
  transform: translateX(1.15rem);
  background: var(--gold-light);
}

.switch-field input:focus-visible + span {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.consent-field input {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--ink);
}

.consent-field button {
  border: 0;
  border-bottom: 1px solid currentColor;
  padding: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.form-note,
.form-submit-status,
.copy-status {
  margin-top: 1rem;
  color: var(--silver-dark);
  font-size: 0.66rem;
}

.submit-button i {
  display: none;
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid rgba(7, 19, 31, 0.3);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.submit-button.is-loading i {
  display: block;
}

.form-success {
  padding-top: 2rem;
}

.success-icon {
  display: grid;
  width: 4rem;
  height: 4rem;
  margin-bottom: 2rem;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
}

.success-icon svg {
  width: 1.7rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.form-success > p:not(.form-kicker, .copy-status) {
  max-width: 35rem;
  margin-top: 1.5rem;
  color: var(--silver-dark);
}

.success-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

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

/* Footer */
.site-footer {
  position: relative;
  padding-block: clamp(5rem, 9vw, 8rem) 2rem;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 19, 31, 0.7) 0%, rgba(7, 19, 31, 0.44) 48%, rgba(7, 19, 31, 0.64) 100%),
    linear-gradient(180deg, rgba(7, 19, 31, 0.28) 0%, rgba(3, 10, 16, 0.78) 100%),
    url("assets/pexels-01-hero-construccion.webp") center 58% / cover no-repeat;
  color: var(--chalk);
}

.site-footer::before {
  content: none;
}

.footer-top {
  display: grid;
  align-items: center;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--line-light);
  grid-template-columns: 14rem 1fr auto;
  gap: 3rem;
}

.footer-logo {
  position: relative;
  display: block;
  width: 12rem;
  height: 9rem;
  overflow: hidden;
}

.footer-logo > img {
  position: absolute;
  top: 61.5%;
  left: 52.5%;
  display: block;
  width: 167%;
  max-width: none;
  height: auto;
  transform: translate(-50%, -50%);
  filter: contrast(0.9) brightness(1.65) saturate(1.2) drop-shadow(0 0 0.6rem rgba(31, 116, 210, 0.48)) drop-shadow(0 0.25rem 0.65rem rgba(0, 0, 0, 0.48));
}

.footer-top > p {
  max-width: 25rem;
  color: rgba(251, 248, 240, 0.78);
}

.footer-callout {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--gold-light);
  font-family: var(--display);
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.footer-callout span {
  transition: transform 260ms var(--ease);
}

.footer-callout:hover span {
  transform: translate(0.2rem, -0.2rem);
}

.footer-grid {
  display: grid;
  padding-block: 4rem;
  grid-template-columns: 0.55fr 0.75fr 1.2fr 1fr;
  gap: 3rem;
}

.footer-label {
  margin-bottom: 1.2rem;
  color: var(--gold-light);
}

.footer-grid ul {
  display: grid;
  gap: 0.55rem;
}

.footer-grid a,
.footer-grid button,
.footer-grid address {
  border: 0;
  padding: 0;
  background: transparent;
  color: rgba(251, 248, 240, 0.76);
  cursor: pointer;
  font-size: 0.76rem;
  line-height: 1.8;
  text-align: left;
  transition: color 180ms ease;
}

.footer-grid a:hover,
.footer-grid button:hover {
  color: var(--chalk);
}

.footer-grid address .footer-email {
  color: var(--gold-light);
}

.footer-coordinate {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  color: rgba(251, 248, 240, 0.34);
  font-family: var(--display);
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  line-height: 0.86;
  text-align: right;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-light);
  color: rgba(251, 248, 240, 0.64);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Dialogs */
dialog {
  color: inherit;
}

.mobile-menu,
.data-dialog {
  border: 0;
  padding: 0;
}

.mobile-menu::backdrop,
.data-dialog::backdrop {
  background: rgba(3, 10, 16, 0.76);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.mobile-menu {
  width: min(100%, 34rem);
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0 0 0 auto;
  padding: 1.5rem;
  background: var(--ink);
  color: var(--chalk);
}

.mobile-menu[open] {
  display: flex;
  flex-direction: column;
}

.mobile-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line-light);
  color: var(--gold-light);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.icon-button {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.icon-button svg {
  width: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.5;
}

.mobile-menu nav {
  display: grid;
  margin-block: auto;
}

.mobile-menu nav a {
  display: grid;
  min-height: 5rem;
  align-items: center;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--display);
  font-size: clamp(2.2rem, 8vw, 3.5rem);
  grid-template-columns: 3rem 1fr;
}

.mobile-menu nav a span {
  color: var(--gold-light);
  font-family: var(--sans);
  font-size: 0.7rem;
}

.data-dialog {
  width: min(calc(100% - 2rem), 42rem);
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--chalk);
  color: var(--ink);
}

.data-dialog .dialog-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
}

.data-dialog h2 {
  max-width: 12ch;
  margin-top: 1rem;
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 0.95;
}

.data-dialog > p:not(.eyebrow) {
  margin-top: 1.5rem;
  color: var(--silver-dark);
}

.data-dialog > .button {
  margin-top: 2rem;
}

.noscript-note {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 200;
  padding: 1rem;
  background: var(--gold-light);
  color: var(--ink);
  font-size: 0.8rem;
}

/* Motion */
.js .reveal {
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 72rem) {
  .nav-shell {
    grid-template-columns: 10rem 1fr auto;
  }

  .nav-links {
    gap: 1.2rem;
  }

  .nav-cta span {
    display: none;
  }

  .nav-cta {
    padding-left: 1rem;
  }

  .hero-layout {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .hero-side-note {
    display: none;
  }

  .hero-bottom {
    grid-column: 2;
  }

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

  .proof-grid .text-link {
    justify-self: start;
    margin-bottom: 2rem;
    grid-column: 1 / -1;
  }

  .services-layout,
  .process-layout,
  .capabilities-layout {
    grid-template-columns: 0.7fr 1.3fr;
    gap: 3rem;
  }

  .service-row {
    grid-template-columns: 4rem 1fr;
  }

  .service-row ul {
    padding-top: 0;
    grid-column: 2;
    grid-template-columns: repeat(3, max-content);
  }

  .sector-panel {
    grid-template-columns: 1fr 16rem;
  }

  .sector-panel-copy {
    padding: 2.5rem;
  }

  .process-list li {
    padding-block: 1.25rem;
    grid-template-columns: 3rem 1fr;
  }

  .process-list li > p,
  .process-list li > strong {
    grid-column: 2;
    text-align: left;
  }

  .contact-grid {
    grid-template-columns: 0.46fr 1fr;
  }

  .footer-top {
    grid-template-columns: 12rem 1fr;
  }

  .footer-callout {
    justify-self: start;
    grid-column: 2;
  }
}

@media (max-width: 54rem) {
  :root {
    --section-space: 6rem;
  }

  html {
    scroll-padding-top: 4.5rem;
  }

  .nav-shell {
    min-height: 4.5rem;
    grid-template-columns: 1fr auto;
  }

  .brand {
    width: 5.7rem;
    height: 4.2rem;
  }

  .brand > img {
    width: 159%;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .menu-trigger {
    position: absolute;
    top: 50%;
    right: var(--page-pad);
    display: grid;
    width: 3.6rem;
    transform: translateY(-50%);
    z-index: 2;
  }

  .hero {
    min-height: max(44rem, 100svh);
  }

  .hero-video {
    object-position: 58% center;
  }

  .hero-layout {
    min-height: max(44rem, 100svh);
    padding-top: 7rem;
    padding-bottom: 1.2rem;
    grid-template-columns: 1fr;
  }

  .hero-index {
    display: none;
  }

  .hero-copy {
    align-self: center;
  }

  .hero-copy h1 {
    font-size: clamp(4.2rem, 17vw, 7rem);
  }

  .hero-copy h1 em,
  .hero-intro,
  .hero-actions {
    margin-left: 0;
  }

  .hero-copy h1 em {
    margin-top: 0.04em;
  }

  .hero-intro {
    max-width: 31rem;
  }

  .hero-bottom {
    grid-column: 1;
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-bottom ol {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.35rem;
  }

  .hero-bottom li:nth-child(4),
  .hero-bottom li:nth-child(5) {
    display: grid;
  }

  .video-toggle-label {
    display: inline;
  }

  .video-toggle {
    min-width: 2.75rem;
    justify-self: end;
  }

  .proof-grid {
    padding-block: 4rem;
    grid-template-columns: 1fr;
  }

  .proof-grid dl {
    border-top: 1px solid var(--line-light);
    padding-top: 1.5rem;
  }

  .proof-grid .text-link {
    grid-column: auto;
  }

  .services-backdrop {
    top: auto;
    width: 100%;
    height: 28rem;
    opacity: 0.08;
  }

  .services-layout,
  .process-layout,
  .capabilities-layout {
    grid-template-columns: 1fr;
  }

  .services-intro,
  .process-heading,
  .capabilities-heading {
    position: relative;
    top: auto;
  }

  .service-row {
    min-height: 14rem;
  }

  .sector-heading,
  .applications-heading,
  .contact-heading {
    grid-template-columns: 1fr;
  }

  .sector-interface {
    grid-template-columns: 1fr;
  }

  .sector-tabs {
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: auto;
  }

  .sector-tabs button {
    min-height: 7rem;
    border-right: 1px solid var(--line-light);
    border-bottom: 0;
    padding: 1.2rem;
  }

  .sector-tabs button:hover,
  .sector-tabs button[aria-selected="true"] {
    padding-left: 1.2rem;
  }

  .sector-tabs button strong {
    font-size: 1.55rem;
  }

  .sector-panel {
    grid-template-columns: 1fr;
  }

  .sector-panel figure {
    min-height: 28rem;
    grid-row: 1;
  }

  .sector-panel-copy {
    padding: 2.5rem var(--page-pad);
  }

  .application-chapter,
  .application-content {
    min-height: 72svh;
  }

  .application-content {
    grid-template-columns: 1fr;
  }

  .application-number {
    position: absolute;
    top: 3rem;
    left: var(--page-pad);
    font-size: 8rem;
  }

  .process {
    min-height: auto;
  }

  .process-list li {
    min-height: 11rem;
  }

  .capability-featured {
    min-height: 21rem;
  }

  .company {
    min-height: auto;
  }

  .company-layout {
    grid-template-columns: 1fr;
  }

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

  .company-principles article:nth-child(even) {
    border-left: 1px solid var(--line-light);
  }

  .location-section {
    min-height: auto;
    padding-top: 30rem;
    padding-bottom: var(--section-space);
  }

  .location-map {
    right: 0;
    bottom: auto;
    left: 0;
    height: 34rem;
  }

  .location-shade {
    height: 34rem;
    background: linear-gradient(180deg, transparent 62%, rgba(7, 19, 31, 0.38));
  }

  .location-layout {
    display: block;
    min-height: auto;
  }

  .location-card {
    width: 100%;
  }

  .location-map-note {
    top: 1rem;
    right: var(--page-pad);
    bottom: auto;
  }

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

  .contact-aside {
    min-height: 34rem;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

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

  .footer-callout {
    grid-column: auto;
  }

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

  .footer-grid a,
  .footer-grid button {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
  }

  .footer-coordinate {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 38rem) {
  :root {
    --page-pad: 1.15rem;
  }

  .eyebrow {
    font-size: 0.62rem;
  }

  .button-large {
    width: 100%;
  }

  .hero-layout {
    padding-top: 6.5rem;
  }

  .hero-copy h1 {
    font-size: clamp(4rem, 19vw, 5.6rem);
    line-height: 0.79;
  }

  .hero-intro {
    margin-top: 1.6rem;
    font-size: 0.94rem;
  }

  .hero-actions {
    display: grid;
    margin-top: 1.4rem;
  }

  .hero-bottom {
    padding-top: 1rem;
  }

  .hero-bottom li {
    font-size: 0.5rem;
    letter-spacing: 0.05em;
  }

  .hero-bottom li span {
    font-size: 1.05rem;
  }

  .proof-grid dl div {
    padding-inline: 0.7rem;
  }

  .proof-grid dd {
    font-size: 2rem;
  }

  .services-intro h2,
  .sector-heading h2,
  .process-heading h2,
  .contact-heading h2 {
    font-size: clamp(3.1rem, 15vw, 4.6rem);
  }

  .service-row {
    padding-right: 0;
    grid-template-columns: 3.2rem 1fr;
  }

  .service-row:hover {
    padding-left: 0;
  }

  .service-row ul {
    display: flex;
    flex-wrap: wrap;
    grid-template-columns: none;
  }

  .sector-heading {
    gap: 1.5rem;
  }

  .sector-tabs {
    grid-template-columns: 1fr;
  }

  .sector-tabs button {
    min-height: 6.25rem;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .sector-tabs button:last-child {
    border-bottom: 0;
  }

  .sector-panel h3 {
    font-size: 3rem;
  }

  .sector-panel dl {
    grid-template-columns: 1fr;
  }

  .sector-panel dl div,
  .sector-panel dl div:not(:first-child) {
    padding: 0.8rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .applications-heading {
    gap: 1.5rem;
  }

  .applications-heading h2 {
    font-size: clamp(3.8rem, 18vw, 5.4rem);
  }

  .application-chapter,
  .application-content {
    min-height: 70svh;
  }

  .application-content h3 {
    font-size: clamp(3.6rem, 18vw, 5.4rem);
  }

  .application-content ul {
    gap: 0.5rem 1rem;
  }

  .process-list li {
    grid-template-columns: 2.6rem 1fr;
  }

  .process-list h3 {
    font-size: 2.2rem;
  }

  .capabilities-count {
    font-size: 9rem;
  }

  .capability-featured {
    padding: 2rem;
  }

  .capability-featured h3 {
    font-size: 3.5rem;
  }

  .capability-list article {
    min-height: 10.5rem;
    grid-template-columns: 2.8rem 1fr;
    gap: 1rem;
  }

  .capability-list p {
    grid-column: 2;
  }

  .company-statement h2 {
    font-size: clamp(3.9rem, 18vw, 5.7rem);
  }

  .company-principles {
    grid-template-columns: 1fr;
  }

  .company-principles article:nth-child(even) {
    border-left: 0;
  }

  .location-section {
    padding-top: 26rem;
  }

  .location-map,
  .location-shade {
    height: 29rem;
  }

  .location-card {
    padding: 2rem 1.5rem;
  }

  .location-card h2 {
    font-size: 3.35rem;
  }

  .location-card .button {
    width: 100%;
  }

  .form-shell {
    min-height: 44rem;
    padding: 1.5rem;
  }

  .form-progress > span {
    font-size: 0.5rem;
  }

  .form-step h3,
  .form-success h3 {
    font-size: 2.8rem;
  }

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

  .choice-grid label:nth-child(even) span {
    border-left: 1px solid var(--line-dark);
  }

  .choice-grid label:nth-child(n + 2) span {
    border-top: 0;
  }

  .form-actions,
  .form-actions-split {
    display: grid;
    grid-template-columns: 1fr;
  }

  .form-actions .button {
    width: 100%;
  }

  .form-actions-split .button-secondary {
    grid-row: 2;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 0.7rem;
  }

  .mobile-menu {
    overflow-y: auto;
    padding: 1rem;
  }

  .mobile-menu nav {
    margin-block: 1rem;
  }

  .mobile-menu nav a {
    min-height: 3.8rem;
    font-size: clamp(1.65rem, 7vw, 2.3rem);
    grid-template-columns: 2.3rem 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .hero-video {
    display: none;
  }

  .video-toggle {
    display: none;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}