/* Xenova Technologies — Tronix-inspired corporate layout */
:root {
  --blue: #0073e6;
  --blue-dark: #0056b3;
  --navy: #0a1128;
  --navy-soft: #121c3d;
  --text: #1a2332;
  --text-muted: #5c6573;
  --white: #ffffff;
  --muted-bg: #f4f7fb;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 12px 40px rgba(10, 17, 40, 0.08);
  --shadow-hover: 0 20px 50px rgba(10, 17, 40, 0.12);
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --container: 1180px;
  --header-h: 84px;
  --topbar-h: 38px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--blue-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* Top bar */
.top-bar {
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.8125rem;
  padding: 0.55rem 0;
}

.top-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.top-bar__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.top-bar__contact a {
  color: inherit;
  text-decoration: none;
}

.top-bar__contact a:hover {
  color: var(--white);
  text-decoration: underline;
}

.top-bar .sep {
  opacity: 0.45;
  user-select: none;
}

.top-bar__social {
  display: flex;
  gap: 0.65rem;
}

.top-bar__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  text-decoration: none;
}

.top-bar__social a:hover {
  background: var(--blue);
  text-decoration: none;
}

/* Header — logo left, nav + CTA right (dark bar: white/light logos read clearly) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(90deg, var(--navy) 0%, #0c1735 50%, var(--navy-soft) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1.5rem;
  min-height: var(--header-h);
  padding-block: 0.65rem;
}

.brand {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  margin-right: auto;
}

.brand__logo {
  max-height: 58px;
  width: auto;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem 2rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex: 1;
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__list a {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
}

.nav__list a:hover {
  color: var(--white);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}

.btn:hover {
  text-decoration: none;
}

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

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

.btn--nav {
  white-space: nowrap;
}

.btn--dark {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn--dark:hover {
  background: var(--navy-soft);
  border-color: var(--navy-soft);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
  color: var(--white);
}

.btn--white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn--white:hover {
  background: rgba(255, 255, 255, 0.92);
  color: var(--navy);
}

.btn--lg {
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
}

.btn--block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  overflow: visible;
  background: linear-gradient(135deg, #061229 0%, #0d3d7a 45%, #0a5cb8 100%);
  color: var(--white);
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0, 180, 255, 0.25) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(0, 120, 255, 0.2) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: auto auto, auto auto, 48px 48px, 48px 48px;
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero__lead {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.0625rem;
  max-width: 36rem;
  margin: 0 0 1.75rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__visual {
  display: flex;
  justify-content: center;
  padding: 0 0.5rem 1rem 0;
}

.hero__card {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1 / 1.05;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  /* Sombra fina y suave (ligero desplazamiento + difuminado amplio) */
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.06),
    0 8px 24px rgba(2, 12, 36, 0.14),
    0 20px 48px rgba(2, 12, 36, 0.08);
  overflow: hidden;
}

.hero__banner {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 0 0 0.75rem;
}

.eyebrow--light {
  color: #5ecfff;
}

/* Sections */
.section {
  padding: clamp(4rem, 7vw, 5.5rem) 0;
}

/* Entrada suave al hacer scroll (clase .section-reveal la añade el script) */
@media (prefers-reduced-motion: no-preference) {
  .section-reveal {
    opacity: 0;
    transform: translate3d(0, 1.5rem, 0);
    transition:
      opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
      transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .section-reveal.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

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

.section--muted {
  background: var(--muted-bg);
}

.section__head {
  margin-bottom: 2.75rem;
}

.section__head--center {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 2.75rem;
}

.section__title {
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.section__subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.lead {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

/* Cards */
.cards {
  display: grid;
  gap: 1.5rem;
}

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

.cards--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.card--lift {
  transition: box-shadow 0.25s, transform 0.25s;
}

.card--lift:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card__icon--blue {
  background: linear-gradient(135deg, rgba(0, 115, 230, 0.15), rgba(0, 86, 179, 0.08));
  color: var(--blue-dark);
}

.card__icon--soft {
  background: rgba(0, 115, 230, 0.12);
  color: var(--blue-dark);
}

.card__title {
  font-size: 1.125rem;
  font-weight: 800;
  margin: 0 0 0.65rem;
  color: var(--navy);
}

.card__text {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.card__link {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--blue-dark);
  text-decoration: none;
}

.card__link:hover {
  text-decoration: none;
  color: var(--blue);
}

.card--feature {
  position: relative;
  padding-bottom: 2.5rem;
  border: 1px solid rgba(10, 17, 40, 0.06);
}

.card__arrow {
  position: absolute;
  bottom: 1.25rem;
  right: 1.5rem;
  font-size: 1.25rem;
  color: var(--blue);
  font-weight: 700;
}

/* Split layouts */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split--reverse .split__visual {
  order: -1;
}

.split__circle {
  width: min(100%, 420px);
  aspect-ratio: 1;
  border-radius: 50%;
  margin-inline: auto;
  overflow: hidden;
  border: 6px solid var(--white);
  box-shadow: var(--shadow);
}

.split__circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.checklist {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.checklist li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 115, 230, 0.2);
}

/* Logo / trust strip */
.logos-strip {
  padding-block: 2rem;
  border-block: 1px solid rgba(10, 17, 40, 0.06);
}

.logos-strip__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem 2.5rem;
}

.logos-strip__item {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  opacity: 0.85;
}

/* CTA split + illustration */
.cta-split__art {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-split__bulb {
  width: min(100%, 380px);
  aspect-ratio: 1.1;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--muted-bg);
  box-shadow: var(--shadow);
  position: relative;
}

.cta-split__bulb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

.cta-split__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.cta-split__phone {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
}

.cta-split__phone:hover {
  color: var(--blue-dark);
  text-decoration: none;
}

.quote-block {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--blue);
}

.quote-block blockquote {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.55;
}

.quote-block cite {
  font-style: normal;
  font-weight: 700;
  color: var(--blue-dark);
  font-size: 0.9375rem;
}

/* Dark bar */
.section--dark-bar {
  padding: 1.15rem 0;
  background: var(--navy);
}

.dark-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2.5rem;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.92);
  text-transform: uppercase;
}

/* Progress */
.progress-list {
  margin-top: 1.5rem;
}

.progress-item {
  margin-bottom: 1.25rem;
}

.progress-item__row {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 0.4rem;
  color: var(--navy);
}

.progress-item__bar {
  height: 8px;
  border-radius: 99px;
  background: rgba(10, 17, 40, 0.08);
  overflow: hidden;
}

.progress-item__bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue));
}

/* Collage */
.split__collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.75rem;
  min-height: 300px;
}

.collage__cell {
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #dce8f5, #a8c8ee);
}

.collage__cell--1 {
  grid-row: span 2;
  overflow: hidden;
  background: var(--muted-bg);
}

.collage__cell--1 img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.collage__cell--2 {
  overflow: hidden;
  background: var(--muted-bg);
}

.collage__cell--2 img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.collage__cell--3 {
  overflow: hidden;
  background: var(--muted-bg);
}

.collage__cell--3 img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Testimonial */
.section--testimonial {
  background: linear-gradient(180deg, #f8fafc 0%, #eef3f9 100%);
  position: relative;
  overflow: hidden;
}

.section--testimonial::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(0, 115, 230, 0.08);
  top: -80px;
  right: -60px;
}

.split--testimonial {
  align-items: center;
}

.testimonial__photo {
  width: min(100%, 320px);
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  margin-inline: auto;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.testimonial__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.testimonial__quote {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 600;
  font-style: italic;
  line-height: 1.45;
  color: var(--navy);
  margin: 0 0 1rem;
}

.testimonial__meta {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* Process */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.process__step {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(10, 17, 40, 0.05);
}

.process__num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.process__title {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: var(--navy);
}

.process__step p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* CTA banner */
.cta-banner {
  background: linear-gradient(90deg, var(--blue-dark), var(--blue));
  color: var(--white);
  text-align: center;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.cta-banner__title {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 800;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.cta-banner__text {
  margin: 0 auto 1.5rem;
  max-width: 560px;
  opacity: 0.95;
  font-size: 1.0625rem;
}

/* Contact */
.section--contact {
  background: var(--muted-bg);
}

.contact__info p {
  color: var(--text-muted);
}

.contact__alt {
  font-weight: 600;
  color: var(--text);
}

.contact__social {
  margin: 1.25rem 0;
}

.contact__address {
  font-style: normal;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.contact__form-wrap {
  background: var(--navy);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
}

.contact-form .form__row {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-form .form__row--2 {
  grid-template-columns: 1fr 1fr;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__field span {
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  width: 100%;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.78);
  padding: 3.5rem 0 0;
  font-size: 0.9375rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 0.9fr;
  gap: 2rem;
}

.footer__logo {
  margin-bottom: 1rem;
  max-height: 54px;
  width: auto;
  object-fit: contain;
}

.footer__heading {
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 1rem;
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__links li {
  margin-bottom: 0.5rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
}

.footer__links a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer__small {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.55;
}

.footer__social a {
  background: rgba(255, 255, 255, 0.1);
}

.footer__bottom {
  margin-top: 3rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer__bottom p {
  margin: 0;
}

/* Back to top */
.scroll-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 150;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 86, 179, 0.45), 0 2px 6px rgba(10, 17, 40, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  pointer-events: none;
  transition:
    opacity 0.35s ease,
    visibility 0.35s ease,
    transform 0.35s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--blue-dark);
  box-shadow: 0 6px 20px rgba(0, 86, 179, 0.5), 0 2px 8px rgba(10, 17, 40, 0.22);
}

.scroll-top:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

.scroll-top__icon {
  display: block;
  margin-top: 2px;
}

/* Responsive */
@media (max-width: 1024px) {
  .cards--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__lead {
    margin-inline: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .split,
  .split--reverse .split__visual {
    grid-template-columns: 1fr;
    order: unset;
  }

  .split--reverse .split__visual {
    order: 0;
  }

  .cards--3 {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: calc(var(--topbar-h) + var(--header-h) + 8px);
    background: linear-gradient(180deg, var(--navy-soft) 0%, var(--navy) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.25rem 1.5rem;
    box-shadow: 0 12px 40px rgba(10, 17, 40, 0.12);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.35s ease, opacity 0.25s ease;
  }

  .nav.is-open {
    max-height: 480px;
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .btn--nav {
    width: 100%;
  }

  .site-header .header__inner {
    flex-wrap: wrap;
  }

  .brand {
    margin-right: 0;
  }
}

@media (max-width: 600px) {
  .cards--4 {
    grid-template-columns: 1fr;
  }

  .contact-form .form__row--2 {
    grid-template-columns: 1fr;
  }

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

  .dark-bar {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}