:root {
  --black: #242424;
  --black-deep: #171717;
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --line: rgba(255, 255, 255, 0.15);
  --glass: rgba(12, 12, 12, 0.72);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  --header-height: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 20260815 mobile hardening: overrides for stubborn mobile webviews */
@media (max-width: 768px) {
  html,
  body {
    background: #242424 !important;
    color: #ffffff !important;
  }

  .quiz-card fieldset.quiz-step {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    min-inline-size: 0 !important;
  }

  .quiz-card fieldset.quiz-step.is-active {
    display: block !important;
  }

  .quiz-card legend {
    display: block !important;
    float: none !important;
    width: 100% !important;
    margin: 0 0 16px !important;
    padding: 0 !important;
    color: rgba(255, 255, 255, 0.88) !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
  }

  .quiz-card input[type="radio"],
  .quiz-card input[type="checkbox"] {
    position: absolute !important;
    inline-size: 1px !important;
    block-size: 1px !important;
    opacity: 0 !important;
  }

  .quiz-card .policy-check input[type="checkbox"] {
    position: static !important;
    inline-size: auto !important;
    block-size: auto !important;
    opacity: 1 !important;
  }

  .architecture-card__overlay,
  .card-overlay-content {
    inset: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 24px 18px !important;
    text-align: center !important;
  }

  .architecture-card__overlay h2,
  .card-title {
    width: min(82vw, 340px) !important;
    max-width: min(82vw, 340px) !important;
    margin: 0 auto 8px !important;
    font-size: 18px !important;
    line-height: 1.28 !important;
    letter-spacing: 1.4px !important;
    text-align: center !important;
    text-wrap: balance;
  }

  .architecture-card__overlay p,
  .card-subtitle {
    width: min(82vw, 340px) !important;
    max-width: min(82vw, 340px) !important;
    margin: 0 auto !important;
    font-size: 11px !important;
    line-height: 1.35 !important;
    letter-spacing: 1px !important;
    text-align: center !important;
    text-wrap: balance;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  line-height: 1.5;
  overflow-x: hidden;
}

body.is-menu-open {
  overflow: hidden;
}

body.modal-open {
  overflow: hidden !important;
  overscroll-behavior: contain;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: var(--header-height);
  padding: 0 clamp(16px, 3vw, 48px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--glass);
  backdrop-filter: blur(10px);
}

.brand-logo-ru {
  justify-self: start;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(18px, 1.45vw, 24px);
  font-weight: 400;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-logo-ru span {
  font-family: var(--font);
  font-size: 0.5em;
  letter-spacing: 0.22em;
  vertical-align: middle;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.main-nav a,
.main-nav span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: color 0.35s var(--ease);
}

.main-nav span {
  color: rgba(255, 255, 255, 0.42);
}

.main-nav a:hover {
  color: var(--white);
}

.main-nav a.is-active {
  color: var(--white);
}

.nav-dropdown {
  position: relative;
  display: flex;
  align-self: stretch;
  align-items: center;
}

.nav-dropdown__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-dropdown__trigger::after {
  width: 4px;
  height: 4px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: rotate(45deg) translateY(-2px);
}

.nav-dropdown__menu {
  position: absolute;
  z-index: 70;
  top: 100%;
  left: 50%;
  display: grid;
  min-width: 330px;
  gap: 12px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(17, 17, 17, 0.92);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-dropdown__menu a {
  font-size: 11px;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-icon-btn,
.header-icon-btn {
  display: flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #e0e0e0;
  color: var(--black);
  border: none;
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.social-icon-btn svg,
.header-icon-btn svg,
.social-icon-btn i,
.header-icon-btn i {
  width: 17px;
  height: 17px;
  color: var(--black);
  font-size: 16px;
}

.social-icon-btn:hover,
.header-icon-btn:hover {
  background-color: var(--white);
  transform: scale(1.05);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  background: transparent;
  color: var(--white);
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
  transition: transform 0.3s var(--ease);
}

.menu-toggle span + span {
  margin-top: -12px;
}

.site-header.is-open .menu-toggle span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.site-header.is-open .menu-toggle span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  background: var(--black);
}

.hero-slider,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slider::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.22) 0%, rgba(20, 20, 20, 0.46) 100%);
  content: "";
}

.hero-slide {
  opacity: 0;
  transform: scale(1.045);
  transition: opacity 1.1s var(--ease), transform 6s linear;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-slide picture {
  display: block;
  width: 100%;
  height: 100%;
}

@keyframes kenburns {
  0% {
    transform: scale(1) translate(0, 0);
  }

  50% {
    transform: scale(1.08) translate(-1%, -1%);
  }

  100% {
    transform: scale(1) translate(0, 0);
  }
}

.hero-bg-img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: kenburns 20s ease-in-out infinite alternate;
  transform-origin: center;
  will-change: transform;
}

.hero-slide:nth-child(2) .hero-bg-img {
  animation-delay: -6s;
}

.hero-slide:nth-child(3) .hero-bg-img {
  animation-delay: -12s;
}

.hero-center {
  position: relative;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 28px;
  width: min(100% - 32px, 920px);
  text-align: center;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 34px);
  font-weight: 400;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero-title span {
  display: inline-block;
}

.hero-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.82);
  background: transparent;
  color: var(--white);
  padding: 0 28px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
}

.hero-button:hover {
  background: var(--white);
  color: var(--black);
}

.architecture-page {
  background: var(--black);
  padding-top: var(--header-height);
}

.architecture-intro {
  display: grid;
  gap: 16px;
  padding: clamp(78px, 10vw, 132px) clamp(16px, 4vw, 64px) clamp(38px, 6vw, 72px);
  text-align: center;
}

.architecture-intro p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.architecture-intro h1 {
  max-width: 940px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 76px);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.02;
  text-transform: uppercase;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  background: var(--black);
}

.architecture-gallery-carousel {
  overflow: hidden;
  background: var(--black-deep);
  padding: clamp(44px, 6vw, 72px) 0;
}

.arch-carousel-container {
  position: relative;
  width: min(100%, 1520px);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 64px);
}

.arch-carousel-container h2 {
  margin: 0 0 30px;
  color: var(--white);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.25;
  text-transform: uppercase;
}

.arch-carousel-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.arch-carousel-track::-webkit-scrollbar {
  display: none;
}

.arch-detail-card {
  position: relative;
  flex: 0 0 calc(33.333% - 14px);
  min-width: 300px;
  height: clamp(420px, 34vw, 520px);
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
  background: var(--black);
  scroll-snap-align: start;
}

.arch-detail-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.55s var(--ease), filter 0.55s var(--ease);
}

.arch-detail-card:hover img {
  filter: brightness(1.05);
  transform: scale(1.04);
}

.arch-carousel-arrow {
  position: absolute;
  z-index: 3;
  top: calc(50% + 25px);
  display: flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.46);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 22px;
  line-height: 1;
  transform: translateY(-50%);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.arch-carousel-arrow:hover {
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-50%) scale(1.04);
}

.arch-carousel-arrow--prev {
  left: clamp(8px, 1.4vw, 22px);
}

.arch-carousel-arrow--next {
  right: clamp(8px, 1.4vw, 22px);
}

.interiors-page {
  background: var(--black);
}

.interiors-intro h1 {
  max-width: 1120px;
}

.interiors-panel {
  background: var(--black);
  scroll-margin-top: calc(var(--header-height) + 18px);
}

.interiors-panel__head {
  display: grid;
  gap: 8px;
  padding: clamp(22px, 4vw, 44px) clamp(16px, 5vw, 72px);
  text-align: center;
}

.interiors-panel__head p,
.interiors-panel__head h2 {
  margin: 0;
  text-transform: uppercase;
}

.interiors-panel__head p {
  color: rgba(255, 255, 255, 0.54);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.interiors-panel__head h2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 48px);
  font-weight: 400;
  letter-spacing: 0.06em;
}

.interiors-card img {
  object-fit: cover;
  object-position: center;
}

.furnishing-page {
  background: var(--black);
  padding-top: var(--header-height);
}

.furnishing-intro {
  min-height: 56vh;
  align-content: center;
}

.furnishing-intro h1 {
  max-width: 1180px;
}

.furnishing-banner {
  width: 100%;
  height: 80vh;
  min-height: 520px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--black-deep);
}

.furnishing-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.furnishing-section {
  padding: clamp(48px, 7vw, 110px) clamp(16px, 4vw, 64px);
  background: var(--black);
}

.furnishing-section h2 {
  max-width: 980px;
  margin: 0 auto clamp(28px, 4vw, 52px);
  font-family: var(--font-display);
  font-size: clamp(26px, 3.8vw, 52px);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.08;
  text-align: center;
  text-transform: uppercase;
}

.furnishing-examples-grid {
  max-width: 1520px;
  margin: 0 auto;
}

.furnishing-categories {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  width: min(100%, 1520px);
  margin: 0 auto;
}

.furnishing-category {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  border-radius: 16px;
  background: var(--black-deep);
}

.furnishing-category::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.06) 0%, rgba(0, 0, 0, 0.58) 100%),
    radial-gradient(circle at center, rgba(0, 0, 0, 0.03), rgba(0, 0, 0, 0.34));
  content: "";
}

.furnishing-category img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 1.1s var(--ease), filter 0.35s var(--ease);
}

.furnishing-category:hover img {
  filter: grayscale(12%);
  transform: scale(1.055);
}

.furnishing-category h3 {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  left: 18px;
  margin: 0;
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

.services-page {
  background: var(--black);
}

.services-hero {
  position: relative;
  width: 100%;
  height: 80vh;
  min-height: 540px;
  overflow: hidden;
  background: var(--black-deep);
}

.services-hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.32) 0%, rgba(0, 0, 0, 0.72) 100%),
    radial-gradient(circle at center, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.34));
  content: "";
}

.services-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.services-hero__content {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  padding: calc(var(--header-height) + 24px) 20px 24px;
  text-align: center;
}

.services-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 124px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.services-intro {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(46px, 7vw, 92px) 20px 0;
  text-align: left;
}

.services-intro p {
  max-width: 1040px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(15px, 1.25vw, 19px);
  line-height: 1.8;
}

.services-section {
  max-width: 1400px;
  margin: 80px auto;
  padding: 0 20px;
}

.services-category-title {
  margin: 0 0 40px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 2px;
  line-height: 1.15;
  text-transform: uppercase;
}

.accordion-item {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  transition: background-color 0.3s ease;
}

.accordion-item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0;
  cursor: pointer;
  user-select: none;
}

.accordion-title {
  margin: 0;
  color: var(--white);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 2px;
  line-height: 1.3;
  text-transform: uppercase;
}

.accordion-toggle {
  display: flex;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--white);
  font-size: 22px;
  line-height: 1;
  transition: all 0.3s ease;
}

.accordion-item.active .accordion-toggle {
  background: var(--white);
  color: var(--black);
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
  transition: max-height 0.4s cubic-bezier(1, 0, 1, 0);
}

.accordion-body {
  max-width: 900px;
  padding-bottom: 30px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  line-height: 1.8;
}

.accordion-body p {
  margin: 0 0 15px;
}

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

.accordion-body ul {
  margin: 15px 0;
  padding-left: 0;
  list-style: none;
}

.accordion-body li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 20px;
}

.accordion-body li::before {
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.5);
  content: "—";
}

.about-page {
  background: var(--black);
}

.about-hero {
  position: relative;
  width: 100%;
  height: 80vh;
  min-height: 540px;
  overflow: hidden;
  background: var(--black-deep);
}

.about-hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.34) 0%, rgba(0, 0, 0, 0.72) 100%),
    radial-gradient(circle at center, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.34));
  content: "";
}

.about-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.about-hero__content {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  padding: calc(var(--header-height) + 24px) 20px 24px;
  text-align: center;
}

.about-hero h1 {
  margin: 0;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 124px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  max-width: 1400px;
  margin: clamp(58px, 8vw, 110px) auto 0;
  padding: 0 20px;
}

.about-pillars article {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 24px;
}

.about-pillars h2 {
  margin: 0 0 18px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(21px, 2vw, 30px);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.15;
  text-transform: uppercase;
}

.about-pillars p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.75;
}

.team-section {
  max-width: 1400px;
  margin: 80px auto;
  padding: 0 20px;
}

.leadership-section {
  margin-top: clamp(70px, 9vw, 120px);
}

.team-section-title {
  margin: 0 0 40px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.05;
  text-transform: uppercase;
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  margin-bottom: 80px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px 24px;
}

.team-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 12px;
}

.leadership-card .team-photo-wrapper {
  width: 100%;
  min-height: 480px;
  aspect-ratio: 4 / 5;
  border-radius: 16px;
}

.team-photo-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 12px;
  background: var(--black-deep);
}

.team-photo-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(100%);
  transition: transform 0.55s var(--ease), filter 0.55s var(--ease);
}

.team-card:hover .team-photo-wrapper img {
  filter: grayscale(72%);
  transform: scale(1.04);
}

.team-photo-wrapper img.team-photo--legotina {
  object-position: center 56%;
  transform: scale(1.35);
}

.team-card:hover .team-photo-wrapper img.team-photo--legotina {
  transform: scale(1.38);
}

.team-name {
  margin: 4px 0 0;
  color: var(--white);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.team-role {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.45;
}

.leadership-card .team-name {
  font-size: 20px;
}

.leadership-card .team-role {
  font-size: 14px;
}

.contacts-page {
  background: #141414;
}

.contacts-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
  background: #141414;
}

.contacts-image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 500px;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  padding: 0;
}

.contacts-image-wrapper::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.24));
  content: "";
}

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

.contacts-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 80px;
  color: var(--white);
}

.contacts-content h1 {
  margin: 0 0 10px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(42px, 4vw, 64px);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.contacts-subtitle {
  margin: 0 0 40px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  line-height: 1.55;
}

.contacts-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.contacts-info-item span {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.contacts-info-item p,
.contacts-info-item a {
  margin: 0;
  color: var(--white);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
}

.contacts-info-item p {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.contacts-legal-details {
  display: grid;
  gap: 6px;
  margin: -16px 0 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.contacts-legal-details p {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.55;
}

.contacts-legal-details span {
  color: rgba(255, 255, 255, 0.28);
}

.copy-email-btn {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition: all 0.25s ease;
}

.copy-email-btn:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.copy-email-btn svg {
  width: 14px;
  height: 14px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
}

.form-input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 0;
  outline: none;
  background: transparent;
  color: var(--white);
  font: inherit;
  font-size: 14px;
  line-height: 1.45;
  padding: 10px 0;
  transition: border-color 0.3s ease;
}

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

.form-input:focus {
  border-bottom-color: var(--white);
}

textarea.form-input {
  min-height: 88px;
  resize: vertical;
}

.contacts-consent {
  align-items: flex-start;
  margin-top: 6px;
}

.privacy-text {
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
  line-height: 1.5;
}

.privacy-text a,
.privacy-text strong {
  color: rgba(255, 255, 255, 0.82);
}

.btn-submit {
  align-self: flex-start;
  margin-top: 25px;
  border: 1px solid var(--white);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  padding: 14px 40px;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.btn-submit:hover {
  background: var(--white);
  color: var(--black);
}

.contacts-form-status {
  min-height: 18px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.architecture-card {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: var(--black);
  cursor: pointer;
}

.architecture-card::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(24, 24, 24, 0.04) 0%, rgba(24, 24, 24, 0.28) 100%),
    radial-gradient(circle at center, rgba(24, 24, 24, 0.02), rgba(24, 24, 24, 0.22));
  content: "";
  transition: opacity 0.45s var(--ease);
}

.architecture-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 1.2s var(--ease), filter 0.45s var(--ease);
}

.architecture-card:hover img {
  filter: grayscale(18%);
  transform: scale(1.055);
}

.architecture-card:hover::after {
  opacity: 0.76;
}

.card-badge-3d {
  position: absolute;
  z-index: 5;
  top: 15px;
  right: 15px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  line-height: 1;
  pointer-events: none;
  text-transform: uppercase;
}

.architecture-card__overlay {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  background: rgba(24, 24, 24, 0.14);
  text-align: center;
}

.architecture-card__overlay h2,
.architecture-card__overlay p {
  margin: 0;
  color: var(--white);
  text-shadow: 0 12px 34px rgba(0, 0, 0, 0.58);
  text-transform: uppercase;
}

.architecture-card__overlay h2 {
  max-width: min(86%, 620px);
  font-family: var(--font);
  font-size: 20px !important;
  font-weight: 300 !important;
  letter-spacing: 2px !important;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.architecture-card__overlay p {
  max-width: min(86%, 560px);
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px !important;
  font-weight: 300 !important;
  letter-spacing: 1.5px !important;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.project-modal {
  position: fixed !important;
  top: 0;
  left: 0;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  background: rgba(0, 0, 0, 0.95);
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s var(--ease);
}

.project-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.project-modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(14px);
}

.project-modal__dialog,
.modal-content {
  position: relative;
  z-index: 1;
  display: flex !important;
  flex-direction: column !important;
  width: 100% !important;
  max-width: 1400px;
  min-height: 100% !important;
  flex: 0 0 auto;
  height: auto !important;
  margin: 0 auto;
  padding-bottom: 50px;
  overflow: visible !important;
  background: var(--black);
  box-shadow: none;
  box-sizing: border-box;
}

.modal-gallery-section {
  position: relative !important;
  width: 100% !important;
  height: auto !important;
  flex: 0 0 auto;
  max-height: 80vh;
  overflow: visible !important;
}

.project-modal__image {
  position: relative !important;
  width: 100%;
  height: auto !important;
  max-height: 80vh;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background: var(--black-deep);
}

.thumbnails-carousel-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 20px auto 30px;
  padding: 0 40px;
  box-sizing: border-box;
}

.thumbnails-carousel-wrapper[hidden] {
  display: none;
}

.thumbnails-track {
  display: flex;
  width: 100%;
  gap: 12px;
  justify-content: center;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 10px 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.thumbnails-track::-webkit-scrollbar {
  display: none;
}

.thumb-item {
  flex: 0 0 auto;
  width: 80px;
  height: 60px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  background: transparent;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.thumb-item:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.thumb-item.active {
  border-color: var(--white);
  opacity: 1;
}

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

.thumb-nav {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.thumb-nav:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.thumb-prev {
  left: 0;
}

.thumb-next {
  right: 0;
}

.project-modal__content,
.modal-info-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.project-modal__content h2,
.project-modal__content p {
  margin: 0;
  text-transform: uppercase;
}

.project-modal__content h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 34px);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.project-modal__content p,
.project-modal__controls {
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.btn-3d-tour {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 30px;
  background: transparent;
  color: var(--white);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.btn-3d-tour svg {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.btn-3d-tour:hover {
  border-color: var(--white);
  background: var(--white);
  color: var(--black);
}

.btn-3d-tour:hover svg {
  stroke: var(--black);
  transform: translateX(2px);
}

.project-modal__controls {
  display: none;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.project-modal__close,
.project-modal__controls button {
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: transparent;
  color: var(--white);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.project-modal__close {
  position: fixed;
  z-index: 1010;
  top: 25px;
  right: 25px;
  width: 42px;
  height: 42px;
  font-size: 26px;
  line-height: 1;
}

.project-modal__controls button {
  width: 42px;
  height: 42px;
  font-size: 18px;
}

.project-modal__close:hover,
.project-modal__controls button:hover {
  background: var(--white);
  color: var(--black);
}

.project-modal__footer {
  padding: clamp(34px, 5vw, 62px) clamp(18px, 4vw, 44px) 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.modal-site-footer,
.modal-footer {
  width: 100% !important;
  flex: 0 0 auto;
  margin-top: auto !important;
  background: #000 !important;
  box-sizing: border-box;
  border-top: 1px solid #222;
}

.modal-footer {
  width: 100%;
  background: var(--black);
}

.modal-footer .footer-container,
.project-modal__footer .footer-primary,
.project-modal__footer .footer-bottom {
  max-width: 100%;
}

.modal-footer .footer-container {
  width: 100%;
}

.modal-footer .footer-main {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) repeat(3, minmax(150px, 0.58fr));
  gap: clamp(28px, 5vw, 72px);
}

.modal-footer .footer-title {
  max-width: 470px;
  margin: 0;
  color: var(--white);
  font-size: clamp(18px, 1.7vw, 26px);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

.modal-footer .footer-subtext {
  max-width: 430px;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.modal-footer .footer-col h4 {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.modal-footer .footer-col ul {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.modal-footer .footer-col a,
.modal-footer .footer-col p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.modal-footer .footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.modal-footer .footer-copyright {
  white-space: nowrap;
}

.quiz-section {
  padding: clamp(44px, 6vw, 86px) 16px;
  background: var(--black);
}

.quiz-card {
  display: grid;
  max-width: 650px;
  gap: 16px;
  margin: 0 auto;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
}

.quiz-head {
  display: grid;
  gap: 14px;
}

.quiz-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.18;
}

.quiz-progress {
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.22);
}

.quiz-progress span {
  display: block;
  width: 11.111%;
  height: 100%;
  background: var(--white);
  transition: width 0.28s var(--ease);
}

.quiz-step-counter,
.quiz-result {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.quiz-step {
  display: none;
  margin: 0;
  padding: 0;
  border: 0;
  gap: 10px;
}

.quiz-step.is-active {
  display: grid;
}

.quiz-step.has-error {
  animation: quizErrorPulse 0.36s ease;
}

.quiz-step.has-error legend,
.quiz-result {
  color: #ffffff;
}

@keyframes quizErrorPulse {
  0%,
  100% {
    transform: translateX(0);
  }

  35% {
    transform: translateX(-5px);
  }

  70% {
    transform: translateX(5px);
  }
}

.quiz-step legend {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quiz-step label:not(.field-line):not(.policy-check),
.choice-row label {
  position: relative;
  display: flex;
  min-height: 42px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.82);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}

.quiz-step label:not(.field-line):not(.policy-check):has(input:checked),
.choice-row label:has(input:checked) {
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.quiz-step input[type="radio"],
.choice-row input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.field-line {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-line input,
.field-line textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  padding: 12px 0;
  outline: 0;
}

.field-line textarea {
  resize: vertical;
}

.field-line input::placeholder,
.field-line textarea::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.final-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.55;
}

.policy-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.policy-check input {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--white);
}

.quiz-actions {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 10px;
}

.quiz-actions button {
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), opacity 0.3s var(--ease);
}

.quiz-actions button:last-child {
  background: var(--white);
  color: var(--black);
}

.quiz-actions button:disabled {
  cursor: default;
  opacity: 0.38;
}

.aida-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.aida-card {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 360px;
  padding: clamp(28px, 4vw, 54px);
  background: var(--black);
}

.aida-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 38px);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.08;
  text-transform: uppercase;
}

.aida-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.aida-link {
  justify-self: start;
  margin-top: 10px;
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.founder-row {
  display: grid;
  grid-template-columns: 95px 1fr;
  gap: 18px;
  align-items: center;
}

.founder-img {
  width: 95px;
  height: 95px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 35%;
  flex-shrink: 0;
  filter: grayscale(100%);
}

.founder-row strong {
  color: var(--white);
  font-weight: 700;
}

.founder-card blockquote {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-display);
  font-size: clamp(16px, 1.35vw, 21px);
  font-style: italic;
  line-height: 1.45;
}

.facts-card {
  gap: 0;
}

.fact-item {
  display: grid;
  gap: 0;
  margin-bottom: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 16px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.fact-item:last-child {
  margin-bottom: 0;
}

.fact-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fact-item strong {
  display: block;
  margin: 0;
}

.fact-number {
  display: block;
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 300;
  line-height: 1;
  margin-bottom: 8px;
  color: var(--white);
}

.fact-label {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.3;
}

.dark-footer {
  background: var(--black);
  color: var(--white);
  padding: clamp(42px, 6vw, 84px) clamp(16px, 4vw, 64px) 24px;
}

.footer-primary {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) repeat(3, minmax(150px, 0.58fr));
  gap: clamp(28px, 5vw, 72px);
  width: min(100%, 1520px);
  margin: 0 auto;
}

.footer-statement {
  display: grid;
  align-content: start;
  gap: 18px;
}

.footer-statement p {
  max-width: 470px;
  margin: 0;
  font-size: clamp(18px, 1.7vw, 26px);
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

.footer-statement span {
  max-width: 430px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 11px;
}

.footer-column h2 {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-column[aria-label="Карта сайта"] {
  grid-template-columns: repeat(2, minmax(88px, max-content));
  column-gap: 24px;
  row-gap: 11px;
}

.footer-column[aria-label="Карта сайта"] h2 {
  grid-column: 1 / -1;
}

.footer-column a,
.footer-column p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
  width: 100%;
  max-width: 1520px;
  margin: 40px auto 0;
  padding-top: 20px;
  padding-bottom: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
}

@media (max-width: 1023px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    display: grid;
    width: 100vw;
    justify-items: center;
    gap: 22px;
    padding: 28px;
    background: rgba(0, 0, 0, 0.92);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }

  .nav-dropdown {
    display: grid;
    width: min(100%, 420px);
    align-self: auto;
    gap: 12px;
    justify-items: center;
    text-align: center;
  }

  .nav-dropdown__trigger {
    justify-content: center;
    width: 100%;
  }

  .nav-dropdown__menu {
    position: static;
    display: grid;
    width: min(100%, 360px);
    min-width: 0;
    justify-items: center;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-dropdown:hover .nav-dropdown__menu,
  .nav-dropdown:focus-within .nav-dropdown__menu {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-dropdown__menu a {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 0;
    text-align: center;
    white-space: normal;
  }

  .site-header.is-open .main-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu-toggle {
    display: grid;
  }
}

@media (max-width: 900px) {
  .aida-summary,
  .footer-primary {
    grid-template-columns: repeat(2, 1fr);
  }

  .contacts-section {
    grid-template-columns: 1fr;
  }

  .contacts-image-wrapper {
    min-height: 420px;
  }

  .contacts-content {
    padding: 48px 24px;
  }

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

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

  .arch-detail-card {
    flex-basis: calc(50% - 10px);
    height: 380px;
  }

  .about-pillars,
  .leadership-grid,
  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-pillars {
    gap: 28px;
  }

  .project-modal__content {
    display: grid;
  }

  .thumbnails-carousel-wrapper {
    max-width: 100%;
    padding: 0 34px;
  }

  .footer-bottom {
    display: grid;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 68px;
  }

  .site-header {
    padding: 0 12px;
  }

  .brand-logo-ru {
    font-size: 17px;
  }

  .social-icon-btn,
  .header-icon-btn {
    width: 36px;
    height: 36px;
  }

  .social-icon-btn svg,
  .header-icon-btn svg {
    width: 16px;
    height: 16px;
  }

  .hero-title {
    font-size: 18px;
    letter-spacing: 0.12em;
  }

  .hero-bg-img {
    animation: none;
    will-change: auto;
  }

  .hero-button {
    width: min(100%, 320px);
    padding: 0 16px;
  }

  .quiz-section {
    padding: 34px 12px;
  }

  .choice-row,
  .quiz-actions,
  .aida-summary,
  .footer-primary {
    grid-template-columns: 1fr;
  }

  .dark-footer {
    padding: 42px 18px 18px;
  }

  .footer-primary {
    gap: 34px;
  }

  .dark-footer,
  .footer-column,
  .footer-bottom {
    text-align: center;
  }

  .footer-column {
    justify-items: center;
    gap: 10px;
  }

  .footer-column[aria-label="Карта сайта"] {
    grid-template-columns: 1fr;
    justify-items: center;
    column-gap: 0;
  }

  .footer-statement p,
  .footer-statement span {
    margin-right: auto;
    margin-left: auto;
  }

  .social-row,
  .legal-links {
    justify-content: center;
  }

  .legal-links {
    display: grid;
    gap: 12px;
  }

  .footer-bottom {
    gap: 18px;
    justify-items: center;
    margin-top: 34px;
    padding-top: 24px;
  }

  .aida-card {
    min-height: auto;
  }

  .architecture-intro {
    padding-top: 58px;
  }

  .arch-carousel-container {
    padding: 0 18px;
  }

  .arch-carousel-container h2 {
    font-size: 16px;
  }

  .arch-detail-card {
    flex-basis: 85%;
    min-width: 260px;
    height: 320px;
  }

  .arch-carousel-arrow {
    width: 42px;
    height: 42px;
    font-size: 18px;
  }

  .architecture-grid,
  .interiors-grid {
    display: block;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
  }

  .architecture-card,
  .interiors-card {
    display: block;
    width: 100%;
    max-width: 100vw;
    min-width: 0;
    height: clamp(420px, 72vh, 560px);
    aspect-ratio: auto;
    margin: 0 0 1px;
  }

  .architecture-card img,
  .interiors-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .architecture-card__overlay {
    inset: 0;
    display: grid;
    width: auto;
    max-width: none;
    place-items: center;
    place-content: center;
    padding: 0 24px;
    transform: none;
    text-align: center;
  }

  .furnishing-intro {
    min-height: 42vh;
  }

  .furnishing-banner {
    height: 58vh;
    min-height: 360px;
  }

  .furnishing-section {
    padding-right: 12px;
    padding-left: 12px;
  }

  .furnishing-categories {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .furnishing-category {
    min-height: 220px;
    border-radius: 14px;
  }

  .services-hero {
    height: 68vh;
    min-height: 420px;
  }

  .about-hero {
    height: 68vh;
    min-height: 420px;
  }

  .about-pillars,
  .team-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .contacts-content {
    padding: 40px 16px;
  }

  .contacts-info-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 32px;
  }

  .contacts-image-wrapper {
    min-height: 360px;
  }

  .btn-submit {
    width: 100%;
  }

  .thumbnails-carousel-wrapper {
    margin: 14px auto 22px;
    padding: 0 30px;
  }

  .thumb-item {
    width: 66px;
    height: 50px;
  }

  .thumb-nav {
    width: 28px;
    height: 28px;
    font-size: 16px;
  }

  .about-pillars,
  .leadership-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .leadership-card .team-photo-wrapper {
    min-height: 0;
  }

  .team-section {
    margin: 54px auto;
  }

  .team-section-title {
    margin-bottom: 28px;
  }

  .services-section {
    margin: 54px auto;
    padding: 0 16px;
  }

  .services-category-title {
    font-size: 22px;
    letter-spacing: 1.6px;
  }

  .accordion-header {
    gap: 18px;
    padding: 24px 0;
  }

  .accordion-title {
    font-size: 15px;
    letter-spacing: 1.4px;
  }

  .accordion-toggle {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    font-size: 20px;
  }

  .accordion-body {
    font-size: 14px;
    line-height: 1.7;
  }

  .architecture-card__overlay h2 {
    display: block;
    width: min(84vw, 340px);
    max-width: min(84vw, 340px);
    margin-right: auto;
    margin-left: auto;
    font-size: 14px !important;
    letter-spacing: 1.1px !important;
    line-height: 1.28;
    text-align: center;
    text-wrap: balance;
  }

  .architecture-card__overlay p {
    display: block;
    width: min(84vw, 340px);
    max-width: min(84vw, 340px);
    margin-right: auto;
    margin-left: auto;
    font-size: 10px !important;
    letter-spacing: 0.9px !important;
    line-height: 1.35;
    text-align: center;
    text-wrap: balance;
  }

  .project-modal {
    padding: 0;
  }

  .project-modal__image {
    height: auto !important;
    max-height: 72vh;
    object-fit: contain;
  }

  .project-modal__content {
    padding: 18px;
  }
}

/* 20260815 final mobile override: must stay at the end of file */
@media (max-width: 768px) {
  .quiz-card fieldset.quiz-step {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    min-inline-size: 0 !important;
  }

  .quiz-card fieldset.quiz-step.is-active {
    display: block !important;
  }

  .quiz-card legend {
    display: block !important;
    float: none !important;
    width: 100% !important;
    margin: 0 0 16px !important;
    padding: 0 !important;
    border: 0 !important;
    color: rgba(255, 255, 255, 0.88) !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
  }

  .quiz-card input[type="radio"],
  .quiz-card input[type="checkbox"] {
    position: absolute !important;
    inline-size: 1px !important;
    block-size: 1px !important;
    opacity: 0 !important;
  }

  .quiz-card .policy-check input[type="checkbox"] {
    position: static !important;
    inline-size: auto !important;
    block-size: auto !important;
    opacity: 1 !important;
  }

  .architecture-card__overlay,
  .card-overlay-content {
    inset: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 24px 18px !important;
    text-align: center !important;
  }

  .architecture-card__overlay h2,
  .card-title {
    width: min(82vw, 340px) !important;
    max-width: min(82vw, 340px) !important;
    margin: 0 auto 8px !important;
    font-size: 18px !important;
    line-height: 1.28 !important;
    letter-spacing: 1.4px !important;
    text-align: center !important;
    text-wrap: balance;
  }

  .architecture-card__overlay p,
  .card-subtitle {
    width: min(82vw, 340px) !important;
    max-width: min(82vw, 340px) !important;
    margin: 0 auto !important;
    font-size: 11px !important;
    line-height: 1.35 !important;
    letter-spacing: 1px !important;
    text-align: center !important;
    text-wrap: balance;
  }
}