/* Erkanlar İnşaat — Modern Çelik Mimari */

:root {
  --navy: #0b2d55;
  --blue: #087eae;
  --cyan: #16b8e4;
  --graphite: #17212b;
  --steel: #667786;
  --mist: #f3f6f8;
  --white: #ffffff;
  --line: #d7e0e8;
  --navy-ink: #071c36;
  --focus: #16b8e4;
  --danger: #8a1f1f;
  --gutter: clamp(1rem, 4vw, 1.75rem);
  --space-xs: clamp(0.5rem, 0.4rem + 0.4vw, 0.75rem);
  --space-sm: clamp(0.85rem, 0.7rem + 0.7vw, 1.25rem);
  --space-md: clamp(1.25rem, 1rem + 1.2vw, 2rem);
  --space-lg: clamp(2rem, 1.4rem + 2.4vw, 3.5rem);
  --space-xl: clamp(2.75rem, 1.8rem + 3.5vw, 5rem);
  --fs-body: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --fs-small: clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);
  --fs-h1: clamp(1.85rem, 1.35rem + 2.2vw, 3.15rem);
  --fs-h2: clamp(1.45rem, 1.2rem + 1.3vw, 2.15rem);
  --fs-h3: clamp(1.1rem, 1.02rem + 0.45vw, 1.3rem);
  --fs-lead: clamp(1.05rem, 1rem + 0.35vw, 1.2rem);
  --header-h: 4.5rem;
  --radius: 2px;
  --max: 1240px;
  --font: "Segoe UI", Inter, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

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

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

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
}

:focus {
  outline: none;
}

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 2000;
  padding: 0.65rem 1rem;
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.5rem;
}

.container {
  width: min(var(--max), calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

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

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

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

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

.section__head {
  max-width: 42rem;
  margin-bottom: var(--space-lg);
}

.section__kicker {
  margin: 0 0 0.45rem;
  color: var(--blue);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section--navy .section__kicker {
  color: var(--cyan);
}

.section__head h1,
.section__head h2,
.page-hero h1 {
  margin: 0 0 0.65rem;
  color: var(--navy);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-hero h1 {
  font-size: var(--fs-h1);
}

.section--navy .section__head h2 {
  color: var(--white);
}

.lead {
  margin: 0;
  color: var(--steel);
  font-size: var(--fs-lead);
}

.section--navy .lead {
  color: #c9d7e4;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 650;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

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

.btn--primary:hover {
  background: var(--navy-ink);
  color: var(--white);
}

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

.btn--accent:hover {
  background: #06688f;
  color: var(--white);
}

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

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

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

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

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-md);
}

/* Top bar */
.topbar {
  background: var(--navy-ink);
  color: #d5e0ea;
  font-size: var(--fs-small);
}

.topbar__inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-block: 0.55rem;
}

.topbar p {
  margin: 0;
}

.topbar__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

.topbar a {
  color: #d5e0ea;
  text-decoration: none;
}

.topbar a:hover {
  color: var(--cyan);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding-block: 0.55rem;
}

.logo {
  display: block;
  flex-shrink: 0;
  line-height: 0;
  text-decoration: none;
  min-width: 0;
}

.site-header .logo img {
  width: 168px;
  height: auto;
  aspect-ratio: 304 / 72;
}

.site-footer .logo img {
  width: min(100%, 200px);
  height: auto;
  aspect-ratio: 396 / 88;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.6rem;
  min-height: 2.4rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.lang-switch:hover {
  background: var(--navy);
  color: var(--white);
}

.header-cta {
  display: none;
}

.nav-toggle {
  width: 2.6rem;
  height: 2.4rem;
  padding: 0;
  border: 1px solid var(--navy);
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle__bars {
  display: block;
  width: 1.05rem;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: none;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 0.5rem var(--gutter) 1rem;
}

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

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.site-nav a {
  display: block;
  padding: 0.7rem 0.15rem;
  color: var(--graphite);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--mist);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--navy);
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 3px 0 0 var(--cyan);
  padding-left: 0.55rem;
}

body.nav-open {
  overflow: hidden;
}

/* Hero */
.hero {
  position: relative;
  background: var(--mist);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 45, 85, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 45, 85, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-xl);
  align-items: center;
}

.hero h1 {
  margin: 0 0 var(--space-sm);
  color: var(--navy);
  font-size: var(--fs-h1);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero__media {
  overflow: hidden;
  border: 1px solid rgba(11, 45, 85, 0.28);
  background: var(--mist);
}

.hero__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center 58%;
}

.page-hero {
  background: var(--mist);
  border-bottom: 1px solid var(--line);
  padding-block: var(--space-lg);
}

.page-hero .container {
  position: relative;
}

.page-hero .lead {
  max-width: 42rem;
}

.error-page {
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}

.error-page .container {
  max-width: 42rem;
}

.error-page__code {
  margin: 0 0 var(--space-xs);
  color: var(--navy);
  font-size: clamp(4.25rem, 2.4rem + 10vw, 8rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.05em;
}

.error-page h1 {
  margin: 0 0 0.65rem;
  color: var(--navy);
  font-size: var(--fs-h1);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.error-page__en {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line);
}

.error-page__en h2 {
  margin: 0 0 0.65rem;
  color: var(--navy);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* Trust */
.trust {
  background: var(--navy);
  color: var(--white);
}

.trust__grid {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.trust__item {
  background: var(--navy);
  padding: 1.15rem 1rem;
}

.trust__item strong {
  display: block;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.trust__item span {
  display: block;
  margin-top: 0.2rem;
  color: #9eb3c7;
  font-size: var(--fs-small);
}

/* Cards */
.card-grid,
.reason-grid,
.model-grid,
.contact-grid,
.split-grid,
.spec-grid {
  display: grid;
  gap: var(--space-md);
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card__media {
  position: relative;
  overflow: hidden;
  background: var(--mist);
  border-bottom: 1px solid var(--line);
}

.card__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.card__media img.catalog-photo {
  object-position: center 42%;
}

.card__media img.service-photo {
  aspect-ratio: 3 / 2;
  object-position: center 46%;
}

.media-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 1;
  max-width: calc(100% - 1rem);
  padding: 0.2rem 0.45rem;
  background: rgba(11, 45, 85, 0.9);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1.2;
  pointer-events: none;
}

.card--plan .card__media {
  background: var(--white);
}

.card--plan .card__media img {
  aspect-ratio: 3 / 4;
  object-fit: contain;
  object-position: center;
  background: var(--white);
}

.plan-grid {
  display: grid;
  gap: var(--space-md);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.15rem 1.15rem 1.25rem;
  flex: 1;
}

.card__body h3 {
  margin: 0;
  color: var(--navy);
  font-size: var(--fs-h3);
  line-height: 1.3;
}

.card__body p {
  margin: 0;
  color: var(--steel);
  flex: 1;
}

.card__body .btn {
  align-self: flex-start;
  margin-top: auto;
}

.reason {
  padding: 1.2rem 1.15rem 1.3rem;
  border-top: 3px solid var(--cyan);
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.reason h3 {
  margin: 0 0 0.45rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.reason p {
  margin: 0;
  color: var(--steel);
}

.icon-mark {
  width: 2rem;
  height: 2px;
  margin-bottom: 0.85rem;
  background: var(--blue);
}

/* Process compact */
.process-row {
  display: grid;
  gap: 0;
  counter-reset: step;
}

.process-row article {
  position: relative;
  padding: 1.1rem 0 1.1rem 3.1rem;
  border-bottom: 1px solid var(--line);
  counter-increment: step;
}

.process-row article::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.1rem;
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.process-row h3 {
  margin: 0 0 0.25rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.process-row p {
  margin: 0;
  color: var(--steel);
}

/* Timeline */
.timeline {
  display: grid;
  gap: var(--space-md);
}

.timeline__item {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
}

.timeline__item h2 {
  margin: 0;
  color: var(--navy);
  font-size: var(--fs-h3);
}

.timeline__item p {
  margin: 0;
  color: var(--steel);
}

.timeline__meta {
  color: var(--blue);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.timeline__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
}

/* CTA */
.cta-band {
  display: grid;
  gap: var(--space-md);
  align-items: start;
}

.cta-band h2 {
  margin: 0 0 0.5rem;
  color: var(--white);
  font-size: var(--fs-h2);
}

.cta-band p {
  margin: 0;
  color: #c9d7e4;
  max-width: 38rem;
}

/* Catalog download */
.catalog-band {
  display: grid;
  gap: var(--space-md);
  align-items: start;
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: inset 4px 0 0 var(--cyan);
}

.catalog-band h2 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.catalog-band .lead {
  max-width: 42rem;
}

.catalog-band__meta {
  margin: 0.85rem 0 0;
  color: var(--steel);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.catalog-band__action {
  display: flex;
  align-items: center;
}

.catalog-band__action .btn {
  white-space: normal;
  text-align: center;
  max-width: 100%;
}

/* Accordion */
.accordion {
  display: grid;
  gap: 0.65rem;
}

.accordion details {
  border: 1px solid var(--line);
  background: var(--white);
}

.accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.15rem;
  color: var(--navy);
  font-weight: 700;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.accordion summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-weight: 500;
}

.accordion details[open] summary::after {
  content: "–";
}

.accordion .accordion__body {
  padding: 0 1.15rem 1.15rem;
  color: var(--steel);
  border-top: 1px solid var(--mist);
}

.accordion .accordion__body p {
  margin: 0.85rem 0 0;
}

.note {
  margin-top: var(--space-md);
  padding: 0.95rem 1rem;
  background: var(--mist);
  border-left: 3px solid var(--blue);
  color: var(--graphite);
}

/* Forms */
.form {
  display: grid;
  gap: var(--space-sm);
  max-width: 42rem;
}

.form-row {
  display: grid;
  gap: var(--space-sm);
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field span,
.field label {
  font-weight: 650;
  color: var(--navy);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid #b7c4d0;
  border-radius: var(--radius);
  font: inherit;
  color: var(--graphite);
  background: var(--white);
}

.field textarea {
  min-height: 8.5rem;
  resize: vertical;
}

.checkbox {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.checkbox input {
  margin-top: 0.35rem;
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.form-note {
  color: var(--steel);
  font-size: var(--fs-small);
}

/* Contact */
.contact-card {
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--white);
}

.contact-card h2,
.contact-card h3 {
  margin: 0 0 0.4rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.contact-card p {
  margin: 0;
  color: var(--steel);
}

.contact-card p + p {
  margin-top: 0.5rem;
}

.contact-card .btn {
  margin-top: 0.95rem;
}

.contact-card--main {
  margin-bottom: var(--space-lg);
}

.map-placeholder {
  min-height: 16rem;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-md);
  background:
    linear-gradient(to right, rgba(11, 45, 85, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 45, 85, 0.06) 1px, transparent 1px),
    var(--mist);
  background-size: 28px 28px, 28px 28px, auto;
  border: 1px solid var(--line);
  color: var(--steel);
}

.map-placeholder strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.filters button {
  min-height: 2.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--graphite);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.filters button:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.filters button[aria-pressed="true"] {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.filters button[aria-pressed="true"]:hover {
  color: var(--white);
}

.model-card[hidden] {
  display: none;
}

/* Content blocks */
.prose h2 {
  margin: 0 0 0.55rem;
  color: var(--navy);
  font-size: var(--fs-h3);
}

.prose h3 {
  margin: 1.2rem 0 0.4rem;
  color: var(--navy);
  font-size: 1.05rem;
}

.prose p {
  margin: 0 0 0.9rem;
  color: var(--steel);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose ul {
  margin: 0 0 0.9rem;
  padding-left: 1.15rem;
  color: var(--steel);
}

.prose li + li {
  margin-top: 0.35rem;
}

.legal-doc {
  max-width: 46rem;
}

.content-block {
  padding: var(--space-md);
  border: 1px solid var(--line);
  background: var(--white);
}

.content-block + .content-block {
  margin-top: var(--space-md);
}

.split-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border: 1px solid var(--line);
}

.split-media img.catalog-photo {
  object-position: center 42%;
}

.split-media img.service-photo {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center 46%;
}

.split-media img.catalog-plan {
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  background: var(--white);
}

.split-media--stack {
  display: grid;
  gap: 0.65rem;
}

.system-detail {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--line);
}

.system-detail:last-child {
  border-bottom: 0;
}

.tech-list {
  display: grid;
  gap: 0.75rem;
}

.tech-list li {
  list-style: none;
  padding: 0.9rem 1rem 0.9rem 1.1rem;
  border-left: 3px solid var(--cyan);
  background: var(--white);
  color: var(--graphite);
}

.tech-list {
  margin: 0;
  padding: 0;
}

/* Footer */
.site-footer {
  background: var(--graphite);
  color: #c5d0d8;
  padding-block: var(--space-lg) var(--space-md);
}

.footer-grid {
  display: grid;
  gap: var(--space-md);
}

.site-footer p {
  margin: 0.7rem 0 0;
  max-width: 22rem;
}

.site-footer h2 {
  margin: 0 0 0.7rem;
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.site-footer a {
  color: #c5d0d8;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: var(--space-lg);
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
  max-width: none;
}

.footer-bottom a {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.footer-bottom .site-credit a {
  text-decoration: none;
}

.site-credit {
  color: inherit;
}

.site-credit a {
  color: inherit;
  font-weight: 600;
  text-decoration: none;
  text-underline-offset: 0.2em;
}

.site-credit a:hover,
.site-credit a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

.site-credit a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* Desktop */
@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 639px) {
  .hero__media img {
    aspect-ratio: 5 / 4;
    object-position: center 50%;
  }
}

@media (min-width: 640px) {
  .topbar__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

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

  .card-grid,
  .reason-grid,
  .model-grid,
  .contact-grid,
  .spec-grid,
  .plan-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (min-width: 900px) {
  .header-cta {
    display: inline-flex;
  }

  .site-header .logo img {
    width: 214px;
  }

  .site-footer .logo img {
    width: 236px;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: block;
    flex: 1 1 auto;
    border: 0;
    padding: 0;
    background: transparent;
  }

  .site-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.1rem 0.15rem;
  }

  .site-nav a {
    padding: 0.45rem 0.55rem;
    border: 0;
    font-size: 0.86rem;
    white-space: nowrap;
  }

  .site-nav a[aria-current="page"] {
    box-shadow: inset 0 -2px 0 var(--cyan);
    padding-left: 0.55rem;
  }

  .header-inner {
    gap: 1.25rem;
  }

  .hero__grid,
  .split-grid,
  .cta-band,
  .system-detail {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .catalog-band {
    grid-template-columns: minmax(0, 1.2fr) auto;
    align-items: center;
    gap: var(--space-lg);
  }

  .system-detail:nth-child(even) .split-media {
    order: -1;
  }

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

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

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

  .process-row {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
  }

  .process-row article {
    padding: 0 0.4rem 0 0;
    border-bottom: 0;
    border-top: 3px solid var(--cyan);
    padding-top: 1rem;
  }

  .process-row article::before {
    position: static;
    display: block;
    margin-bottom: 0.45rem;
  }

  .timeline {
    gap: var(--space-lg);
  }

  .timeline__item {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .timeline__item:nth-child(even) .timeline__media {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

@media (min-width: 1100px) {
  .site-nav a {
    font-size: 0.9rem;
    padding: 0.5rem 0.65rem;
  }
}

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

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