:root {
  --header-top-height: 78px;
  --header-offset: 78px;
  --ui-border: rgba(0, 0, 0, 0.12);
  --panel: rgba(255, 255, 255, 0.95);
  --text-main: #131313;
  --accent: #18345b;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 12% 12%, rgba(201, 220, 255, 0.45), transparent 34%),
    radial-gradient(circle at 88% 10%, rgba(255, 231, 214, 0.36), transparent 32%),
    linear-gradient(160deg, #f8fbff 0%, #f5f7f6 55%, #e9f2ff 100%);
}

.site-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  opacity: 0;
  transition: opacity 420ms ease;
}

.site-shell.visible {
  opacity: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: block;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--ui-border);
  backdrop-filter: blur(8px);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  min-height: var(--header-top-height);
}

.logo-slot {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.final-logo-image {
  width: 44px;
  height: 44px;
  object-fit: contain;
  opacity: 0;
  transition: opacity 240ms ease;
}

.final-brand-text {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.final-logo-image.visible,
.final-brand-text.visible {
  opacity: 1;
  transform: translateX(0);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.home-button {
  border: 1px solid rgba(0, 0, 0, 0.8);
  background: #fff;
  color: #000;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.92rem;
  text-decoration: none;
}

.home-button.active,
.nav-link.active {
  background: #101820;
  color: #fff;
  border-color: #101820;
}

.nav-link {
  border: 1px solid rgba(0, 0, 0, 0.22);
  background: rgba(255, 255, 255, 0.9);
  color: #1f2d44;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.88rem;
  text-decoration: none;
}


.content-space {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.quick-contact {
  margin: 0 0 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid #c7dafb;
  background: linear-gradient(135deg, #0f213d, #27497b);
  color: #fff;
}

.quick-contact-label {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
}

.quick-call {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #0d1a2e;
  background: #fff;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
}

.quick-call strong {
  font-size: 1.1rem;
}

.quick-vk {
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  padding: 9px 14px;
}

.feedback-section {
  margin: 0 0 18px;
  border: 1px solid var(--ui-border);
  border-radius: 16px;
  background: var(--panel);
  padding: 18px;
}

.feedback-form {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.feedback-form label {
  font-size: 0.92rem;
  font-weight: 600;
}

.feedback-form input,
.feedback-form textarea {
  border: 1px solid #cdd9ef;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.96rem;
  font-family: inherit;
  background: #fff;
}

.feedback-form textarea {
  resize: vertical;
}

.feedback-submit {
  margin-top: 6px;
  width: fit-content;
  border: 1px solid #102544;
  background: #102544;
  color: #fff;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 0.92rem;
  cursor: pointer;
}

.feedback-status {
  margin: 2px 0 0;
  min-height: 20px;
  font-size: 0.9rem;
  color: #23406d;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
}

.section-head p {
  margin: 8px 0 0;
  color: #3b4a65;
}

.catalog-modern,
.prices-modern {
  margin: 0 0 18px;
  border: 1px solid var(--ui-border);
  border-radius: 16px;
  background: var(--panel);
  padding: 18px;
}

.catalog-browser {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 10px;
}

.catalog-menu {
  display: grid;
  gap: 8px;
}

.catalog-tab {
  border: 1px solid #cdd9ef;
  border-radius: 10px;
  background: #fff;
  text-align: left;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 0.95rem;
}

.catalog-tab.active {
  background: #2a5796;
  color: #fff;
  border-color: #2a5796;
}

.catalog-panel-wrap {
  border: 1px solid #d8e4f8;
  border-radius: 12px;
  background: #fff;
  padding: 12px;
}

.catalog-panel {
  display: none;
}

.catalog-panel.active {
  display: block;
}

.catalog-panel h2 {
  margin: 0;
  font-size: 1.08rem;
}

.catalog-chip-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.catalog-chip-btn {
  border: 1px solid #dce6f5;
  border-radius: 10px;
  padding: 8px 10px;
  background: #f9fbff;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
}

.catalog-chip-btn.is-focused {
  background: #2a5796;
  border-color: #2a5796;
  color: #fff;
}

.catalog-chip-btn.is-hidden {
  display: none;
}

.catalog-detail {
  margin-top: 10px;
  border: 1px solid #c9d9f3;
  border-radius: 12px;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  min-height: 320px;
}

.catalog-detail-title {
  margin: 0;
  font-size: 1.28rem;
}

.catalog-detail-text {
  margin: 14px 0 0;
}

.catalog-detail-text p {
  margin: 0 0 10px;
  line-height: 1.72;
  font-size: 1rem;
}

.catalog-detail-media {
  margin: 12px 0 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #d3e1f4;
  background: #eef4ff;
}

.catalog-detail-image {
  display: block;
  width: 100%;
  height: clamp(220px, 32vw, 340px);
  object-fit: cover;
}

.catalog-detail-meta {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.catalog-detail-meta section {
  border: 1px solid #dce7f8;
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}

.catalog-detail-meta h4 {
  margin: 0 0 8px;
  font-size: 0.96rem;
}

.catalog-detail-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 0.94rem;
  line-height: 1.45;
}

.catalog-detail-close {
  margin-top: 16px;
  border: 1px solid #dce6f5;
  border-radius: 10px;
  padding: 9px 13px;
  background: #fff;
  font-size: 0.9rem;
  cursor: pointer;
}

.catalog-panel-note {
  margin: 10px 0 0;
  font-size: 0.9rem;
  color: #4a5a78;
  line-height: 1.5;
}

.catalog-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.catalog-card {
  border: 1px solid #d7e4fa;
  border-radius: 12px;
  padding: 12px;
  background: #fff;
}

.catalog-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.catalog-card p {
  margin: 8px 0 0;
  line-height: 1.5;
  font-size: 0.94rem;
}

.price-columns {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.price-panel {
  border: 1px solid #d7e4fa;
  border-radius: 12px;
  padding: 12px;
  background: #fff;
}

.price-panel h3 {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.4;
}

.price-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.price-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed #d8e2f1;
  font-size: 0.92rem;
}

.price-list li:last-child {
  border-bottom: 0;
}

.small-note {
  margin: 10px 0 0;
  font-size: 0.85rem;
  color: #4f5e79;
}

.price-explain {
  margin: 12px 0 0;
  line-height: 1.6;
  font-size: 0.96rem;
}

.paint-hero {
  margin-bottom: 18px;
  min-height: 185vh;
}

.paint-canvas {
  position: sticky;
  top: calc(var(--header-offset) + 10px);
  height: min(78vh, 760px);
  border-radius: 20px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.paint-white {
  position: absolute;
  inset: 0 0 auto 0;
  height: 0%;
  background: #fff;
  transition: height 90ms linear;
}

.paint-roller {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, 0);
  width: 120px;
  height: 78px;
  z-index: 2;
  pointer-events: none;
  transition: transform 90ms linear;
}

.roller-head {
  position: absolute;
  left: 0;
  top: 0;
  width: 120px;
  height: 22px;
  border-radius: 14px;
  background: #f6f6f6;
  border: 2px solid #1f1f1f;
}

.roller-handle {
  position: absolute;
  left: 56px;
  top: 18px;
  width: 8px;
  height: 58px;
  border-radius: 5px;
  background: #cd8943;
}

.paint-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transition: opacity 180ms linear;
  z-index: 3;
}

.paint-center.visible {
  opacity: 1;
}

.paint-center-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.13);
}

.paint-center-logo {
  width: clamp(90px, 12vw, 140px);
  height: auto;
  object-fit: contain;
}

.paint-center-text {
  margin: 0;
  font-size: clamp(1.1rem, 2.8vw, 1.8rem);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-weight: 700;
  color: #111;
}

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

.info-image,
.info-text {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--ui-border);
  background: var(--panel);
}

.info-image img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  display: block;
}

.info-text {
  padding: 20px;
}

.info-text h1,
.info-text h2 {
  margin: 0;
}

.info-text h1 {
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
}

.info-text h2 {
  margin-top: 12px;
  font-size: 1.35rem;
}

.info-text p {
  margin: 12px 0 0;
  line-height: 1.66;
  font-size: 1.03rem;
}

.info-text a {
  color: var(--accent);
}

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

.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.benefit-card {
  border: 1px solid var(--ui-border);
  background: var(--panel);
  border-radius: 14px;
  padding: 16px;
}

.benefit-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.benefit-card p {
  margin: 8px 0 0;
  line-height: 1.55;
}

.final-cta {
  margin-bottom: 18px;
  border: 1px solid #cedefb;
  border-radius: 16px;
  background: linear-gradient(140deg, #f8fbff, #e9f1ff);
  padding: 22px;
}

.final-cta h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.final-cta p {
  margin: 10px 0 16px;
  max-width: 74ch;
  line-height: 1.6;
  font-size: 1.03rem;
}

.final-call {
  display: inline-block;
  text-decoration: none;
  background: #102544;
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-footer {
  width: min(1280px, calc(100% - 36px));
  margin: 0 auto 18px;
  border: 1px solid var(--ui-border);
  border-radius: 14px;
  background: var(--panel);
  padding: 11px 14px;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
}

.footer-grid h4 {
  margin: 0 0 8px;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.footer-grid p {
  margin: 0 0 6px;
  line-height: 1.5;
}

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

.intro-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 1);
  z-index: 30;
  transition: background-color 2400ms linear;
}

.intro-overlay.fade-background {
  background: rgba(255, 255, 255, 0);
}

.intro-logo {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(180px, 40vw);
  height: auto;
  object-fit: contain;
  opacity: 0;
  transition: opacity 950ms ease;
  z-index: 31;
  will-change: transform, left, top, width, opacity;
}

.intro-logo.show {
  opacity: 1;
}

.intro-logo.to-corner {
  left: 20px;
  top: calc(var(--header-top-height) / 2);
  transform: translate(0, -50%);
  width: 44px;
  transition:
    left 2400ms cubic-bezier(0.2, 0.8, 0.22, 1),
    top 2400ms cubic-bezier(0.2, 0.8, 0.22, 1),
    transform 2400ms cubic-bezier(0.2, 0.8, 0.22, 1),
    width 2400ms cubic-bezier(0.2, 0.8, 0.22, 1);
}

.intro-logo.hide {
  opacity: 0;
  transition: opacity 150ms ease;
}

@media (max-width: 900px) {
  .catalog-browser {
    grid-template-columns: 1fr;
  }

  .catalog-chip-grid {
    grid-template-columns: 1fr 1fr;
  }

  .catalog-detail-meta {
    grid-template-columns: 1fr;
  }

  .catalog-grid,
  .price-columns {
    grid-template-columns: 1fr;
  }

  .info-row,
  .reverse {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 760px) {
  :root {
    --header-top-height: 74px;
  }

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

  .header-controls {
    gap: 6px;
  }

  .home-button {
    padding: 7px 12px;
  }

  .nav-link {
    padding: 7px 10px;
    font-size: 0.82rem;
  }

  .content-space {
    padding: 12px;
  }

  .catalog-chip-grid {
    grid-template-columns: 1fr;
  }

  .paint-canvas {
    height: 66vh;
  }

  .paint-hero {
    min-height: 155vh;
  }

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

  .intro-logo.to-corner {
    left: 12px;
  }
}