:root {
  --color-bg: #ffffff;
  --color-text: #1c3342;
  --color-text-muted: #5c6670;
  --color-accent: #a88656;
  --color-line: #d8d3cb;
  --color-brand: #1c3342;
  --container: 1280px;
  --gutter: 80px;
  --section: 112px;
  --font: "Inter", system-ui, sans-serif;
  --weight-heading: 300;
}

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

html {
  scroll-behavior: smooth;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--color-brand);
  color: #faf9f6;
  font-size: 14px;
}

.skip-link:focus {
  left: var(--gutter);
  top: 12px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* Header */
.site-header {
  position: relative;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.logo img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  font: inherit;
  font-size: 13px;
  padding: 10px 16px;
  border: 1px solid var(--color-line);
  background: transparent;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 13px;
  color: var(--color-text-muted);
}

.nav-link.is-active,
.nav-link:hover {
  color: var(--color-text);
}

.nav-item--dropdown {
  position: relative;
}

.nav-link--dropdown {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  cursor: pointer;
  text-align: left;
}

.nav-link--dropdown::after {
  content: "";
  width: 0;
  height: 0;
  margin-top: 2px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.45;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 10;
  min-width: 196px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  box-shadow: 0 12px 32px rgba(28, 51, 66, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
}

.nav-dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.nav-dropdown-link:hover,
.nav-dropdown-link:focus-visible {
  color: var(--color-text);
  background: rgba(28, 51, 66, 0.04);
}

@media (min-width: 769px) {
  .nav-item--dropdown:hover .nav-dropdown,
  .nav-item--dropdown:focus-within .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-item--dropdown:hover .nav-link--dropdown,
  .nav-item--dropdown:focus-within .nav-link--dropdown {
    color: var(--color-text);
  }
}

.lang {
  font-size: 12px;
  color: var(--color-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.035em;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-brand);
  color: #faf9f6;
}

.btn-primary:hover {
  opacity: 0.92;
}

.btn-accent {
  background: var(--color-accent);
  color: #faf9f6;
}

.btn-accent:hover {
  opacity: 0.92;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(880px, 85vh);
  display: flex;
  align-items: flex-start;
  color: #faf9f6;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    195deg,
    rgba(28, 51, 66, 0.2) 0%,
    rgba(28, 51, 66, 0.8) 75%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 12vw, 131px) 0 clamp(64px, 10vw, 120px);
  max-width: 903px;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 2.6875rem);
  font-weight: var(--weight-heading);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 741px;
}

.hero-lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  max-width: 540px;
  color: rgba(250, 249, 246, 0.8);
}

/* Typography */
.eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.studio-copy .eyebrow {
  letter-spacing: 1.2px;
}

.heading-lg {
  margin: 0 0 20px;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: var(--weight-heading);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 694px;
}

.heading-md {
  margin: 0 0 24px;
  font-size: clamp(1.625rem, 2.5vw, 2.375rem);
  font-weight: var(--weight-heading);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.heading-sm {
  margin: 0;
  font-size: 26px;
  font-weight: var(--weight-heading);
  letter-spacing: 0.1px;
}

.heading-center {
  text-align: center;
  margin-inline: auto;
  max-width: 720px;
}

.body-lg {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.6;
  max-width: 520px;
}

.body-md {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.55;
  max-width: 480px;
}

.text-link {
  font-size: 14px;
  color: var(--color-accent);
}

.text-link:hover {
  text-decoration: underline;
}

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

.rule {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: 0;
  width: 100%;
}

/* Studio */
.studio {
  padding-block: 111px;
}

.studio-grid {
  display: grid;
  grid-template-columns: 475px minmax(0, 1fr);
  gap: 64px;
  align-items: center;
}

.studio-media {
  margin: 0;
  width: 475px;
  max-width: 100%;
}

.studio-media img {
  width: 475px;
  max-width: 100%;
  height: auto;
  aspect-ratio: 475 / 634;
  object-fit: cover;
}

.studio-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
  justify-content: center;
}

.studio-copy .heading-lg {
  margin: 0;
  font-size: 40px;
  max-width: 694px;
}

.studio-copy .body-lg {
  margin: 0;
  max-width: 520px;
}

.studio-copy .eyebrow {
  margin: 0;
}

.studio-copy .text-link {
  align-self: flex-start;
}

.studio-copy .stats {
  margin: 0;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin: 0;
}

.stat {
  margin: 0;
}

.stat-term {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: var(--weight-heading);
  letter-spacing: 0.1px;
}

.stat-desc {
  margin: 0;
  font-size: 12px;
  color: var(--color-text-muted);
  max-width: 140px;
}

/* Projects (03 · Избранные) */
.projects {
  background: var(--color-bg);
  color: var(--color-text);
}

.projects-inner {
  display: flex;
  flex-direction: column;
  gap: 56px;
  padding-block: var(--section);
}

.projects-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 717px;
}

.projects-title {
  margin: 0;
  font-size: 38px;
  font-weight: var(--weight-heading);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.projects-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  max-width: 717px;
  color: var(--color-text-muted);
}

.btn-projects {
  background: var(--color-brand);
  color: #faf9f6;
}

.btn-projects:hover {
  opacity: 0.92;
}

.projects-cta {
  display: flex;
  justify-content: center;
  margin: 0;
}

.project-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.project-list__item {
  margin: 0;
}

.project-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-row > li {
  margin: 0;
}

.project-link {
  display: block;
}

.project-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--color-line);
}

.project-media--hero {
  aspect-ratio: 1300 / 593;
}

.project-media--md {
  aspect-ratio: 610 / 448;
}

.project-media--md-tall {
  aspect-ratio: 628 / 443;
}

.project-media--wide {
  aspect-ratio: 1280 / 416;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.project-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28, 51, 66, 0.35) 0%,
    rgba(28, 51, 66, 0.62) 50%,
    rgba(28, 51, 66, 0.72) 100%
  );
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.project-link:hover .project-shade {
  opacity: 0.78;
}

.project-link:hover .project-media img {
  transform: scale(1.05);
}

.project-title {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  margin: 0;
  font-size: 1rem;
  padding: 24px clamp(20px, 4vw, 48px);
  text-align: center;
  font-weight: var(--weight-heading);
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #faf9f6;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 32px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.project-media--hero .project-title {
  font-size: clamp(1.25rem, 2.4vw, 2rem);
}

.project-media--md .project-title,
.project-media--md-tall .project-title {
  font-size: clamp(0.9375rem, 1.6vw, 1.375rem);
}

.project-media--wide .project-title {
  font-size: clamp(1.0625rem, 2vw, 1.75rem);
}

@media (prefers-reduced-motion: reduce) {
  .project-media img,
  .project-shade {
    transition: none;
  }

  .project-link:hover .project-media img {
    transform: none;
  }
}

.project.is-hidden {
  display: none;
}

/* Testimonial */
.testimonial {
  padding-block: 96px;
}

.testimonial-inner {
  text-align: center;
}

.quote {
  margin: 0 auto 16px;
  max-width: 680px;
  font-size: 18px;
  font-style: italic;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.quote-meta {
  margin: 0;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* Process (05 · Как мы работаем) */
.process-grid {
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 136px;
  align-items: start;
  border-top: 1px solid var(--color-line);
  padding-block: var(--section);
}

.process-intro {
  display: flex;
  flex-direction: column;
  gap: 35px;
  align-items: flex-start;
  max-width: 400px;
}

.process-heading {
  margin: 0;
  font-size: 32px;
  font-weight: var(--weight-heading);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 380px;
}

.process-lead {
  margin: 0;
  max-width: 360px;
}

.process-accordion {
  width: 100%;
}

.accordion-item {
  border-top: 1px solid var(--color-line);
  padding-block: 22px;
}

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

.accordion-summary {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  cursor: pointer;
}

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

.accordion-num {
  font-size: 13px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  min-width: 2.5rem;
}

.accordion-title {
  flex: 1;
  font-size: 18px;
  font-weight: var(--weight-heading);
  line-height: 1.35;
}

.accordion-icon {
  font-size: 20px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.accordion-body {
  margin: 12px 0 0;
  padding-left: 3.5rem;
  max-width: 560px;
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Partners */
.partners-copy {
  max-width: 480px;
}

.partners-lead {
  margin: 8px 0 0;
}

.partners-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-block: 40px;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

/* CTA */
.cta {
  padding-block: 0;
}

.cta-panel {
  position: relative;
  min-height: min(560px, 70vh);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #faf9f6;
  text-align: center;
}

.cta-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(28, 51, 66, 0.55) 0%,
    rgba(28, 51, 66, 0.88) 55%,
    rgba(12, 22, 28, 0.94) 100%
  );
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding-block: clamp(72px, 12vw, 112px);
  max-width: 720px;
}

.cta-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: rgba(250, 249, 246, 0.85);
}

.cta-star {
  font-size: 14px;
  line-height: 1;
  color: rgba(250, 249, 246, 0.9);
}

.cta-star--accent {
  color: var(--color-accent);
}

.cta-title {
  margin: 0;
  font-size: clamp(1.75rem, 3.2vw, 2.25rem);
  font-weight: var(--weight-heading);
  line-height: 1.12;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  max-width: 680px;
}

.cta-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  max-width: 520px;
  color: rgba(250, 249, 246, 0.78);
}

.btn-cta-light {
  margin-top: 8px;
  gap: 10px;
  background: #ffffff;
  color: var(--color-brand);
  padding: 16px 32px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.96px;
  text-transform: uppercase;
}

.btn-cta-light:hover {
  background: #f3f1ed;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-line);
  background: #faf9f6;
  padding: 72px 0 56px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 72px repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.footer-col--logo {
  align-self: start;
}

.footer-logo {
  display: block;
  line-height: 0;
}

.footer-logo img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.footer-col {
  min-width: 0;
}

.footer-label {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-display {
  margin: 0 0 14px;
  font-size: 1.125rem;
  font-weight: var(--weight-heading);
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
}

.footer-meta {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-meta a {
  color: inherit;
}

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

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-legal {
  font-size: 11px;
  color: var(--color-text-muted);
}

.footer-legal:hover {
  color: var(--color-text);
}

/* Portfolio catalog */
.portfolio-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 32px;
  padding-top: 32px;
}

.portfolio-switch__link {
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.portfolio-switch__link:hover {
  color: var(--color-text);
}

.portfolio-section {
  scroll-margin-top: 24px;
  padding-block: var(--section) 0;
}

.portfolio-section--divider {
  margin-top: var(--section);
  padding-top: var(--section);
  border-top: 1px solid var(--color-line);
}

.portfolio-section:last-of-type {
  padding-bottom: var(--section);
}

.portfolio-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 640px;
  margin-bottom: 48px;
}

.portfolio-title {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 2.375rem);
  font-weight: var(--weight-heading);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.portfolio-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.portfolio-card__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.portfolio-card__link:hover .portfolio-card__title {
  color: var(--color-accent);
}

.portfolio-card__media {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: #f0eeea;
}

.portfolio-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.portfolio-card__link:hover .portfolio-card__media img {
  transform: scale(1.03);
}

.portfolio-card__title {
  margin: 0;
  max-width: 100%;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.portfolio-card__meta {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --gutter: 40px;
    --section: 80px;
  }

  .studio {
    padding-block: 80px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .projects-title {
    font-size: clamp(1.75rem, 4vw, 2.375rem);
  }

  .studio-grid {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .studio-media,
  .studio-media img {
    width: 100%;
  }

  .studio-copy .heading-lg {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
  }

  .cta-inner {
    max-width: 100%;
  }

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

@media (max-width: 768px) {
  :root {
    --gutter: 24px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding: 24px var(--gutter);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    display: none;
  }

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

  .site-header {
    position: relative;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-item--dropdown {
    width: 100%;
  }

  .nav-dropdown {
    position: static;
    width: 100%;
    margin-top: 8px;
    padding: 0;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .nav-item--dropdown.is-open .nav-dropdown {
    display: block;
  }

  .nav-dropdown-link {
    padding: 8px 0 8px 12px;
  }

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

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .accordion-body {
    padding-left: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}