:root {
  --bg: #f8f8f8;
  --bg-muted: #f1f1f1;
  --surface: #ffffff;
  --ink: #111111;
  --ink-soft: #4a4a4a;
  --muted: #666666;
  --line: #e4e4e4;
  --line-strong: #d0d0d0;
  --max: 1120px;
  --header: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}

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

a {
  color: inherit;
}

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

h1,
h2,
h3,
p,
ul,
ol,
figure,
blockquote,
dl {
  margin: 0;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  max-width: 22ch;
}

h3 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  z-index: 80;
}

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

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: grid;
  place-items: center;
  z-index: 100;
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}

.page-loader.is-done {
  opacity: 0;
  visibility: hidden;
}

.page-loader-mark {
  text-align: center;
  animation: fadeUp 0.8s var(--ease);
}

.page-loader-mark span {
  display: block;
  font-weight: 800;
  font-size: 2.6rem;
  letter-spacing: -0.06em;
  line-height: 1;
}

.page-loader-mark small {
  display: block;
  margin-top: 8px;
  letter-spacing: 0.42em;
  font-size: 0.68rem;
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  background: rgba(248, 248, 248, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(17, 17, 17, 0.04);
  background: rgba(255, 255, 255, 0.92);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
}

.brand-name,
.hero-logo .brand-name {
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: -0.07em;
}

.brand-sub,
.hero-logo .brand-sub {
  margin-top: 4px;
  font-size: 0.58rem;
  letter-spacing: 0.38em;
  color: var(--muted);
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink-soft);
  transition: color 0.25s ease;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a.btn-dark {
  color: #fff;
}

.site-nav a.btn-dark:hover {
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--surface);
  position: relative;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), top 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle-bar {
  top: 20px;
}

.nav-toggle-bar::before {
  top: -7px;
}

.nav-toggle-bar::after {
  top: 7px;
}

.nav-toggle.is-open .nav-toggle-bar {
  background: transparent;
}

.nav-toggle.is-open .nav-toggle-bar::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar::after {
  top: 0;
  transform: rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

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

.btn-dark {
  background: var(--ink);
  color: #fff;
}

.btn-dark:hover {
  background: #000;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.hero {
  padding-bottom: 48px;
}

.hero-banner {
  position: relative;
  height: clamp(240px, 34vw, 380px);
  overflow: hidden;
  background: #ececec;
}

.hero-photo {
  position: absolute;
  inset: 0;
  width: 68%;
  background: #ddd url("../assets/hero.jpg") 32% 72% / cover no-repeat;
  transform: scale(1.04);
  animation: heroZoom 1.6s var(--ease) both;
}

.hero-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: var(--bg);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  display: grid;
  place-items: center;
  animation: panelIn 1.1s var(--ease) 0.15s both;
}

.hero-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transform: translateX(8%);
}

.hero-logo .brand-name {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  line-height: 0.9;
}

.hero-logo .brand-sub {
  margin-top: 12px;
  font-size: clamp(0.62rem, 1.2vw, 0.82rem);
  letter-spacing: 0.5em;
}

.hero-copy {
  padding-top: 40px;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
}

.lead,
.section-lead {
  max-width: 62ch;
  color: var(--ink-soft);
  margin-top: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

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

.stat {
  padding: 36px 36px;
  border-right: 1px solid var(--line);
}

.stat:first-child {
  padding-left: 0;
}

.stat:last-child {
  border-right: 0;
  padding-right: 0;
}

.stat-value {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.stat-label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 96px 0;
}

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

.section-head {
  margin-bottom: 40px;
}

.section-head h2 {
  margin-top: 6px;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.split-reverse {
  grid-template-columns: 1.1fr 0.9fr;
}

.split-media img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  filter: grayscale(20%);
}

.split-copy p + p,
.split-copy .mission,
.split-copy .meta-list {
  margin-top: 18px;
}

.split-copy p {
  color: var(--ink-soft);
}

.mission {
  border-left: 2px solid var(--ink);
  padding: 4px 0 4px 18px;
  font-weight: 600;
  color: var(--ink);
}

.card-grid {
  display: grid;
  gap: 20px;
}

.card-grid.two {
  grid-template-columns: 1fr 1fr;
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 28px 26px 30px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s ease, border-color 0.4s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(17, 17, 17, 0.05);
  border-color: var(--line-strong);
}

.card-index {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.card p,
.service p {
  margin-top: 10px;
  color: var(--ink-soft);
}

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

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.step:last-child {
  border-bottom: 1px solid var(--line);
}

.step-num {
  width: 48px;
  height: 48px;
  border: 1px solid var(--ink);
  display: grid;
  place-items: center;
  font-weight: 700;
}

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

.meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
  padding-top: 10px;
}

.meta-list dt {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-list dd {
  margin: 4px 0 0;
  font-weight: 600;
}

.fact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 36px 32px;
}

.fact-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.fact-panel p {
  margin-top: 14px;
  color: var(--ink-soft);
}

.project {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

.project-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  filter: grayscale(15%);
}

.project-body {
  padding: 40px 36px;
}

.project-tag {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.project-body p {
  margin-top: 14px;
  color: var(--ink-soft);
}

.project-facts {
  margin-top: 20px;
}

.text-link {
  display: inline-block;
  margin-top: 22px;
  color: var(--ink);
  font-weight: 600;
  text-underline-offset: 4px;
}

.faq-wrap {
  max-width: 820px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0 22px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 600;
  position: relative;
  padding-right: 28px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 20px;
  color: var(--muted);
  font-weight: 400;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  padding-bottom: 20px;
  color: var(--ink-soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}

.contact-details {
  list-style: none;
  padding: 28px 0 0;
  margin: 0;
  display: grid;
  gap: 22px;
}

.contact-details span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact-details a {
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px;
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 6px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field label {
  font-size: 0.86rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  padding: 11px 12px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.25s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--ink);
}

.form-error,
.form-ok {
  font-size: 0.9rem;
}

.form-error {
  color: #8a1f1f;
}

.form-ok {
  color: #1f5a32;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 36px;
  background: var(--surface);
}

.footer-inner {
  display: grid;
  gap: 18px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

.footer-meta,
.footer-copy {
  color: var(--muted);
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: fadeUp 0.9s var(--ease) forwards;
  animation-play-state: paused;
}

.reveal.is-visible {
  animation-play-state: running;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes heroZoom {
  from {
    transform: scale(1.08);
    opacity: 0.55;
  }
  to {
    transform: scale(1.04);
    opacity: 1;
  }
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 960px) {
  .stats-grid,
  .card-grid.three,
  .split,
  .split-reverse,
  .project,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .stat {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 22px 0;
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .split-media img,
  .project-media img {
    height: 360px;
    min-height: 0;
  }

  .hero-photo {
    width: 100%;
  }

  .hero-panel {
    width: 54%;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: var(--header);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 20px;
    gap: 0;
    display: none;
  }

  .site-nav.is-open {
    display: flex;
    animation: fadeUp 0.35s var(--ease);
  }

  .site-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .card-grid.two,
  .field-row,
  .meta-list {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    width: 100%;
    height: 42%;
    top: auto;
    bottom: 0;
    clip-path: polygon(0 28%, 100% 0, 100% 100%, 0 100%);
  }

  .hero-logo {
    transform: none;
    padding-top: 18px;
  }

  .hero-banner {
    height: 420px;
  }

  .section {
    padding: 72px 0;
  }
}

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

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

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