@font-face {
  font-family: "Geist";
  src: url("/assets/geist-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --bg: #f3f5f4;
  --surface: #e7ebea;
  --surface-elevated: #fbfcfb;
  --surface-accent: #dcecf6;
  --text: #15181a;
  --text-soft: #555e63;
  --text-faint: #737c81;
  --accent: #1478bd;
  --accent-strong: #0c5d96;
  --on-accent: #f8fbfd;
  --border: rgba(21, 24, 26, 0.16);
  --border-strong: rgba(21, 24, 26, 0.34);
  --header: rgba(243, 245, 244, 0.86);
  --shadow: 0 22px 70px rgba(21, 52, 70, 0.13);
  --radius: 12px;
  --shell: min(1400px, calc(100vw - 64px));
  --section-space: clamp(5.5rem, 9vw, 9rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17191b;
    --surface: #202427;
    --surface-elevated: #262b2f;
    --surface-accent: #1b303d;
    --text: #f0f3f3;
    --text-soft: #b2bbc0;
    --text-faint: #8e999f;
    --accent: #58a8d9;
    --accent-strong: #84c1e5;
    --on-accent: #09161e;
    --border: rgba(240, 243, 243, 0.14);
    --border-strong: rgba(240, 243, 243, 0.3);
    --header: rgba(23, 25, 27, 0.86);
    --shadow: 0 22px 70px rgba(2, 8, 12, 0.34);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: 0.018;
  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='.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E");
}

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

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

button,
input,
textarea {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

::selection {
  color: var(--on-accent);
  background: var(--accent);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--on-accent);
  background: var(--accent);
  transform: translateY(-150%);
  transition: transform 180ms var(--ease);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 72px;
  border-bottom: 1px solid transparent;
  background: var(--header);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  transition:
    border-color 240ms ease,
    box-shadow 240ms ease;
}

.site-header.is-scrolled {
  border-color: var(--border);
  box-shadow: 0 10px 28px rgba(22, 39, 49, 0.06);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 1.06rem;
  font-weight: 720;
  letter-spacing: -0.025em;
}

.brand-mark {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #222827;
}

.brand-mark img {
  position: absolute;
  top: 0;
  left: 50%;
  width: 35px;
  height: 42px;
  max-width: none;
  object-fit: cover;
  object-position: top center;
  transform: translateX(-50%);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  font-size: 0.94rem;
  font-weight: 580;
}

.primary-nav a:not(.nav-contact) {
  position: relative;
  color: var(--text-soft);
  transition: color 220ms ease;
}

.primary-nav a:not(.nav-contact)::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 280ms var(--ease);
}

.primary-nav a:hover {
  color: var(--text);
}

.primary-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius);
  color: var(--on-accent);
  background: var(--accent);
  transition:
    transform 220ms var(--ease),
    background 220ms ease;
}

.nav-contact:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
}

.nav-contact:active,
.button:active {
  transform: translateY(1px) scale(0.98);
}

.menu-button {
  display: none;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  background: transparent;
  cursor: pointer;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: calc(100dvh - 72px);
  overflow: clip;
  padding: clamp(2rem, 4vw, 4rem) 0;
}

.hero::before {
  position: absolute;
  top: 8%;
  right: -12vw;
  width: min(50vw, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  filter: blur(1px);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--accent-strong);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--text);
}

h1 {
  max-width: 15ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.5rem, 4.8vw, 5.4rem);
  font-weight: 690;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.hero-intro {
  max-width: 36rem;
  margin: 0 0 2.1rem;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 680;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 250ms var(--ease),
    background 220ms ease,
    border-color 220ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--on-accent);
  background: var(--accent);
}

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

.button-secondary {
  border-color: var(--border-strong);
  color: var(--text);
  background: transparent;
}

.button-secondary:hover {
  border-color: var(--text);
  background: var(--surface);
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 12px;
  margin: 0;
}

.hero-product-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(340px, 30vw, 480px);
  padding: clamp(2.5rem, 6vw, 6rem);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f7f8f7;
  box-shadow: var(--shadow);
}

.hero-product-stage::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: clamp(10px, 1.2vw, 18px);
  content: "";
  background: var(--accent);
}

.hero-product-stage img {
  width: min(100%, 720px);
  height: auto;
  mix-blend-mode: multiply;
}

.hero-product-stage span {
  position: absolute;
  right: clamp(2rem, 4vw, 4rem);
  bottom: clamp(1.5rem, 3vw, 3rem);
  color: #0c5d96;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-visual figcaption {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 4px;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.hero-visual figcaption strong {
  color: var(--text);
  font-weight: 700;
}

.proof {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 5vw;
  align-items: stretch;
}

.proof-intro {
  display: flex;
  align-items: center;
  padding: 2.25rem 0;
  border-right: 1px solid var(--border);
}

.proof-intro p {
  max-width: 25ch;
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.65rem);
  font-weight: 570;
  letter-spacing: -0.025em;
}

.proof-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0;
}

.proof-metrics div {
  display: flex;
  flex-direction: column-reverse;
  justify-content: center;
  padding: 2.25rem clamp(1rem, 2vw, 2rem);
}

.proof-metrics dt {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.proof-metrics dd {
  margin: 0 0 0.3rem;
  font-size: clamp(1.3rem, 2vw, 2rem);
  font-weight: 680;
  letter-spacing: -0.045em;
}

.section {
  padding: var(--section-space) 0;
}

.section-heading {
  max-width: 790px;
  margin-bottom: clamp(3.5rem, 7vw, 6.5rem);
}

.section-heading h2,
.rust-intro h2,
.faq-intro h2,
.contact-copy h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.55rem, 5.3vw, 5.6rem);
  font-weight: 650;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.section-heading p,
.rust-intro>p:last-child,
.faq-intro p,
.contact-copy>p {
  max-width: 62ch;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
  line-height: 1.65;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.service {
  position: relative;
  grid-column: span 4;
  min-height: 340px;
  padding: clamp(1.6rem, 3vw, 2.8rem);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-elevated);
  transition:
    transform 300ms var(--ease),
    border-color 300ms ease;
}

.service:hover {
  border-color: var(--border-strong);
  transform: translateY(-5px);
}

.service-featured {
  grid-column: span 8;
  display: grid;
  grid-template-columns: 1fr 0.65fr;
  gap: 2rem;
  min-height: 390px;
  color: var(--on-accent);
  background: var(--accent);
}

.service-featured h3,
.service-featured p,
.service-featured li {
  color: var(--on-accent);
}

.service-commerce {
  grid-column: span 8;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.75fr);
  align-items: end;
  background:
    linear-gradient(130deg, transparent 55%, color-mix(in srgb, var(--accent) 14%, transparent) 55%),
    var(--surface-elevated);
}

.service h3 {
  max-width: 14ch;
  margin-bottom: 1rem;
  font-size: clamp(1.55rem, 2.4vw, 2.45rem);
  font-weight: 640;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

.service p {
  max-width: 42ch;
  margin: 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.service ul {
  align-self: end;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.service li {
  padding: 0.65rem 0;
  border-top: 1px solid currentColor;
  color: var(--text-soft);
  font-size: 0.9rem;
  opacity: 0.86;
}

.service-featured p,
.service-featured li {
  color: var(--on-accent);
}

.service-index {
  position: absolute;
  right: 1.4rem;
  bottom: -0.38em;
  color: color-mix(in srgb, currentColor 8%, transparent);
  font-size: clamp(8rem, 14vw, 13rem);
  font-weight: 760;
  letter-spacing: -0.09em;
  line-height: 0.8;
  pointer-events: none;
}

.service-featured .service-index {
  color: rgba(248, 251, 253, 0.12);
}

.portfolio {
  border-top: 1px solid var(--border);
}

.featured-case {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-elevated);
  box-shadow: var(--shadow);
}

.featured-media {
  aspect-ratio: 1095 / 559;
  overflow: hidden;
  background: #eee9fc;
}

.featured-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
}

.featured-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  padding: clamp(2rem, 4vw, 3.75rem);
  border-top: 1px solid var(--border);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 1.2rem;
  color: var(--accent-strong);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 700;
}

.case-meta span+span::before {
  margin-right: 16px;
  content: "/";
  color: var(--text-faint);
}

.featured-copy h3 {
  margin-bottom: 0.9rem;
  font-size: clamp(3.2rem, 5vw, 5rem);
  font-weight: 680;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.featured-lead>p {
  max-width: 64ch;
  margin: 0;
  color: var(--text-soft);
  font-size: 1.06rem;
  line-height: 1.65;
}

.featured-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.case-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.case-features li {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-soft);
  font-size: 0.8rem;
}

.text-link {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  width: max-content;
  color: var(--accent-strong);
  font-weight: 690;
}

.text-link span {
  display: inline-block;
  transition: transform 240ms var(--ease);
}

.text-link:hover span {
  transform: translate(3px, -3px);
}

.case-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.case-card {
  container-type: inline-size;
  display: grid;
  grid-template-rows: 390px auto;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-elevated);
}

.case-card-media {
  position: relative;
  overflow: hidden;
  background: var(--surface-accent);
}

.case-card-media-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: #dcebe8;
}

.case-card-media-phone img {
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0;
  transition: transform 500ms var(--ease);
}

.bajkomat-media img {
  background: #f8faf9;
}

.monitor-media {
  background: #99cae4;
}

.case-card:hover .case-card-media-phone img {
  transform: scale(1.018);
}

.type-media {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.35rem, 8cqw, 2rem);
  font-size: clamp(2.25rem, 17cqw, 4.4rem);
  font-weight: 720;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.type-media span:last-child {
  align-self: flex-end;
}

.commerce-media {
  color: var(--on-accent);
  background: var(--accent);
}

.estate-media {
  color: var(--text);
  background:
    linear-gradient(155deg, transparent 48%, color-mix(in srgb, var(--accent) 18%, transparent) 48%),
    var(--surface);
}

.case-card-copy {
  display: flex;
  flex-direction: column;
  min-height: 270px;
  padding: clamp(1.25rem, 7cqw, 1.75rem);
  border-top: 1px solid var(--border);
}

.case-card-copy h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.45rem, 8cqw, 1.85rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.case-card-copy p {
  margin: 0 0 1.8rem;
  color: var(--text-soft);
  line-height: 1.6;
}

.case-card-copy .text-link {
  margin-top: auto;
}

.rust {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.rust-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  gap: 5vw;
  align-items: start;
}

.rust-intro {
  position: sticky;
  top: 110px;
}

.rust-intro h2 {
  max-width: 10ch;
  font-size: clamp(3rem, 5.5vw, 6rem);
}

.rust-word {
  align-self: start;
  color: color-mix(in srgb, var(--accent) 86%, var(--text));
  font-size: clamp(7rem, 18vw, 16rem);
  font-weight: 820;
  letter-spacing: -0.1em;
  line-height: 0.75;
  text-align: right;
}

.rust-benefits {
  grid-column: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border-strong);
}

.rust-benefits article {
  min-height: 210px;
  padding: 2rem 2rem 2rem 0;
  border-bottom: 1px solid var(--border-strong);
}

.rust-benefits article:nth-child(odd) {
  padding-right: 2rem;
  border-right: 1px solid var(--border-strong);
}

.rust-benefits article:nth-child(even) {
  padding-left: 2rem;
}

.rust-benefits h3 {
  margin-bottom: 0.75rem;
  font-size: 1.45rem;
  font-weight: 660;
  letter-spacing: -0.035em;
}

.rust-benefits p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(4rem, 9vw, 10rem);
}

.faq-intro {
  align-self: start;
}

.faq-list {
  border-top: 1px solid var(--border-strong);
}

.faq-list details {
  border-bottom: 1px solid var(--border-strong);
}

.faq-list summary {
  position: relative;
  padding: 1.6rem 3rem 1.6rem 0;
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  font-weight: 620;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 0;
  content: "+";
  color: var(--accent-strong);
  font-size: 1.6rem;
  font-weight: 430;
  transform: translateY(-50%);
  transition: transform 280ms var(--ease);
}

.faq-list details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-list details p {
  max-width: 62ch;
  margin: -0.25rem 0 1.6rem;
  color: var(--text-soft);
  line-height: 1.7;
}

.contact {
  border-top: 1px solid var(--border);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 9%, transparent), transparent 42%),
    var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 0.72fr);
  gap: clamp(4rem, 10vw, 11rem);
}

.contact-copy {
  align-self: start;
}

.contact-copy h2 {
  max-width: 9ch;
}

.contact-copy address {
  display: grid;
  gap: 0.65rem;
  margin-top: 3rem;
  color: var(--text-soft);
  font-style: normal;
}

.contact-copy address a {
  width: max-content;
  color: var(--text);
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  font-weight: 610;
  letter-spacing: -0.025em;
}

.contact-copy address a:hover {
  color: var(--accent-strong);
}

.contact-form {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-elevated);
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.3rem;
}

.field label {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 650;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  background: var(--bg);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.field input {
  min-height: 52px;
  padding: 0 14px;
}

.field textarea {
  min-height: 145px;
  padding: 14px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #b33a3a;
}

.field-help,
.field-error {
  min-height: 1.1em;
  font-size: 0.8rem;
}

.field-help {
  color: var(--text-faint);
}

.field-error {
  color: #a72e2e;
}

@media (prefers-color-scheme: dark) {
  .field-error {
    color: #ff9b9b;
  }
}

.form-submit {
  width: 100%;
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-status {
  min-height: 1.5rem;
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 0.9rem;
  text-align: center;
}

.form-status.is-success {
  color: var(--accent-strong);
}

.form-status.is-error {
  color: #a72e2e;
}

.form-privacy {
  margin: 0.5rem 0 0;
  color: var(--text-faint);
  font-size: 0.78rem;
  text-align: center;
}

.form-privacy a {
  color: var(--text-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  padding: 4.5rem 0 2rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 0.65fr 0.65fr;
  gap: 3rem;
}

.footer-brand {
  margin-bottom: 1rem;
}

.footer-grid p {
  max-width: 37ch;
  margin: 0;
  color: var(--text-soft);
}

.footer-grid nav {
  display: grid;
  align-content: start;
  gap: 0.75rem;
}

.footer-grid nav a {
  width: max-content;
  color: var(--text-soft);
}

.footer-grid nav a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 0.8rem;
}

.load-in {
  opacity: 0;
  animation: load-in 900ms var(--ease) forwards;
}

.hero-copy .load-in:nth-child(2) {
  animation-delay: 80ms;
}

.hero-copy .load-in:nth-child(3) {
  animation-delay: 160ms;
}

.hero-copy .load-in:nth-child(4) {
  animation-delay: 240ms;
}

.hero-visual.load-in {
  animation-delay: 180ms;
}

@keyframes load-in {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.js .reveal {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 760ms var(--ease),
    transform 760ms var(--ease);
}

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

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(440px, 1.12fr);
    gap: 3rem;
  }

  .case-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-card {
    grid-template-rows: 420px auto;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(100% - 40px, 760px);
  }

  .hero {
    min-height: auto;
    padding: 4.5rem 0 5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  h1 {
    max-width: 15ch;
    font-size: clamp(3.5rem, 10vw, 5.8rem);
  }

  .hero-copy {
    max-width: 680px;
  }

  .proof-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .proof-intro {
    padding-bottom: 0;
    border-right: 0;
  }

  .service-featured,
  .service-commerce {
    grid-column: 1 / -1;
  }

  .service:not(.service-featured):not(.service-commerce) {
    grid-column: span 6;
  }

  .featured-media {
    min-height: 0;
    aspect-ratio: 1095 / 559;
  }

  .featured-copy {
    padding: 3rem;
  }

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

  .rust-intro {
    position: static;
  }

  .rust-word {
    grid-row: 2;
    text-align: left;
  }

  .rust-benefits {
    grid-column: 1;
  }

  .faq-grid,
  .contact-grid {
    gap: 4rem;
  }

  .contact-form {
    max-width: 660px;
  }
}

@media (max-width: 767px) {
  :root {
    --shell: calc(100% - 32px);
    --section-space: 5.5rem;
  }

  .site-header {
    height: 64px;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 8px 16px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    box-shadow: 0 18px 38px rgba(20, 40, 52, 0.12);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 200ms ease,
      transform 240ms var(--ease),
      visibility 200ms ease;
  }

  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .primary-nav a:not(.nav-contact) {
    padding: 14px 4px;
    border-bottom: 1px solid var(--border);
  }

  .primary-nav a::after {
    display: none;
  }

  .nav-contact {
    margin-top: 10px;
  }

  .hero {
    min-height: auto;
    padding: 3.75rem 0 4.5rem;
  }

  .hero-grid {
    gap: 3rem;
  }

  h1 {
    max-width: 13ch;
    margin-bottom: 1.25rem;
    font-size: clamp(3.25rem, 15vw, 5.6rem);
    line-height: 0.94;
  }

  .hero-intro {
    font-size: 1.04rem;
  }

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

  .button {
    width: 100%;
  }

  .hero-visual {
    gap: 8px;
  }

  .hero-product-stage {
    min-height: 310px;
    padding: 2rem;
  }

  .hero-visual figcaption {
    display: grid;
    gap: 0.2rem;
  }

  .proof-intro {
    padding-top: 2rem;
  }

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

  .proof-metrics div {
    padding: 1.25rem 0;
    border-top: 1px solid var(--border);
  }

  .section-heading {
    margin-bottom: 3.5rem;
  }

  .section-heading h2,
  .rust-intro h2,
  .faq-intro h2,
  .contact-copy h2 {
    font-size: clamp(2.65rem, 13vw, 4.6rem);
  }

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

  .service,
  .service-featured,
  .service-commerce,
  .service:not(.service-featured):not(.service-commerce) {
    grid-column: 1;
    display: block;
    min-height: 330px;
  }

  .service-featured {
    min-height: 430px;
  }

  .featured-case {
    min-height: 0;
  }

  .featured-media {
    min-height: 0;
    padding: 0;
    aspect-ratio: 1095 / 559;
  }

  .featured-media img {
    object-position: center;
  }

  .featured-copy {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 1.4rem 2.4rem;
  }

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

  .case-rail {
    grid-template-columns: none;
    grid-auto-columns: min(82vw, 345px);
    grid-auto-flow: column;
    margin-right: -16px;
    padding: 0 16px 14px 0;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-color: var(--accent) var(--surface);
    scrollbar-width: thin;
  }

  .js .case-rail .reveal {
    opacity: 1;
    transform: none;
  }

  .case-card {
    grid-template-rows: 370px auto;
    scroll-snap-align: start;
  }

  .case-card-copy {
    min-height: 265px;
  }

  .rust-word {
    margin-top: 1rem;
    font-size: 28vw;
  }

  .rust-benefits {
    grid-template-columns: 1fr;
  }

  .rust-benefits article,
  .rust-benefits article:nth-child(odd),
  .rust-benefits article:nth-child(even) {
    min-height: 0;
    padding: 1.5rem 0;
    border-right: 0;
  }

  .contact-grid {
    gap: 3.25rem;
  }

  .contact-copy address a {
    font-size: 1.15rem;
  }

  .contact-form {
    padding: 1.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem 1.5rem;
  }

  .footer-grid>div {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 400px) {
  .hero-actions {
    grid-template-columns: 1fr;
  }

  .hero-product-stage {
    min-height: 270px;
  }

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

  .footer-grid>div {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {

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

  .load-in,
  .js .reveal {
    opacity: 1;
    transform: none;
  }

}

@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}