:root {
  --ink: #141c17;
  --muted: #5c6b62;
  --paper: #f0e6d6;
  --paper-strong: #fffaf2;
  --forest: #163828;
  --forest-mid: #245238;
  --gold: #e4a84a;
  --gold-dark: #d4923a;
  --line: rgba(20, 28, 23, 0.12);
  --shadow: 0 20px 60px rgba(22, 34, 26, 0.14);
  --shadow-sm: 0 8px 24px rgba(22, 34, 26, 0.08);
  --radius: 20px;
  --header-h: 76px;
  --font: "Manrope", "Segoe UI", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 80px;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1200px, calc(100% - 32px));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: min(1200px, calc(100% - 24px));
  min-height: var(--header-h);
  padding: 8px 12px 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-logo {
  height: 44px;
  width: auto;
  border-radius: 10px;
  background: #fff;
}

.brand-copy strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.1;
}

.brand-copy small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.header-messenger {
  display: none;
  gap: 6px;
  min-height: 40px;
  padding: 0 16px;
  font-size: 13px;
}

.button-max {
  background: linear-gradient(135deg, #5b4eff, #9b2dff);
  color: #fff;
  box-shadow: 0 8px 24px rgba(123, 45, 255, 0.35);
}

.button-max:hover {
  box-shadow: 0 12px 28px rgba(123, 45, 255, 0.45);
}

.button-max-icon {
  flex-shrink: 0;
  border-radius: 50%;
}

.button-telegram {
  background: #2AABEE;
  color: #fff;
  box-shadow: 0 8px 24px rgba(42, 171, 238, 0.35);
}

.button-telegram:hover {
  box-shadow: 0 12px 28px rgba(42, 171, 238, 0.45);
}

.button-vk {
  background: #0077FF;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 119, 255, 0.35);
}

.button-vk:hover {
  box-shadow: 0 12px 28px rgba(0, 119, 255, 0.45);
}

.header-messenger-icon {
  flex-shrink: 0;
}

.header-phone {
  display: none;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--forest);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: none;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1e1408;
  box-shadow: 0 12px 32px rgba(228, 168, 74, 0.35);
}

.button-secondary {
  background: rgba(8, 14, 11, 0.65);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.button-outline {
  background: #fff;
  color: var(--forest);
  border: 1px solid var(--line);
}

.button-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1e1408;
}

.button-sm { min-height: 40px; padding: 0 16px; font-size: 13px; }
.button-full { width: 100%; }

/* Hero */
.hero {
  position: relative;
  min-height: 72svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #121c16;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% 25%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(8, 14, 11, 0.94) 0%,
    rgba(8, 14, 11, 0.78) 35%,
    rgba(8, 14, 11, 0.35) 55%,
    transparent 72%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-h) + 32px) 0 48px;
  color: #fff;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(228, 168, 74, 0.45);
  background: rgba(8, 14, 11, 0.7);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #f5d08a;
}

.eyebrow--light { color: #f5d08a; }

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.08;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.lead {
  max-width: 560px;
  margin: 16px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.hero-badges li {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(8, 14, 11, 0.75);
  font-size: 12px;
  font-weight: 700;
}

.price-box {
  margin-top: 20px;
  max-width: 520px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(228, 168, 74, 0.45);
  background: rgba(8, 14, 11, 0.8);
}

.price-box strong {
  display: block;
  font-size: 18px;
  color: #f5d08a;
}

.price-box span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* Promo stack */
.promo-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
}

.promo-slide {
  width: 100%;
  height: auto;
  display: block;
}

/* Trust */
.trust-strip {
  position: relative;
  z-index: 2;
  margin-top: -24px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper-strong);
  box-shadow: var(--shadow-sm);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 12px;
  border-radius: 12px;
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.trust-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--forest);
  color: #f5d08a;
  flex-shrink: 0;
}

.trust-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-item strong {
  line-height: 1.35;
}

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--paper-strong); }
.section-dark { background: var(--forest); color: #fff; }

.section-head { max-width: 720px; margin-bottom: 32px; }
.section-head--light h2, .section-head--light p { color: #fff; }

.section-head h2 {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.08;
}

.section-desc {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.section-footnote {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}

/* Calculator */
.calc-layout {
  display: grid;
  gap: 24px;
  max-width: 480px;
  margin-inline: auto;
}

.calc-panel, .lead-form--card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.calc-panel--cta {
  display: grid;
  place-items: center;
  min-height: 220px;
}

.calc-open-btn {
  width: 100%;
  max-width: 360px;
  min-height: 56px;
  font-size: 1rem;
}

.calc-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 16px;
}

.calc-modal[hidden] {
  display: none;
}

.calc-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 28, 23, 0.55);
}

.calc-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 24px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.calc-modal__title {
  margin: 0 0 20px;
  font-size: 1.35rem;
}

.calc-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--paper);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.calc-field { margin-bottom: 20px; border: none; padding: 0; }
.calc-field legend, .calc-field > label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 800;
}

.calc-field input[type="range"] {
  width: 100%;
  accent-color: var(--forest);
}

.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-group--stack { flex-direction: column; }

.chip {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.chip.is-active {
  background: var(--forest);
  border-color: var(--forest);
  color: #fff;
}

.calc-summary {
  margin-bottom: 20px;
  padding: 20px;
  border-radius: 14px;
  background: var(--forest);
  color: #fff;
}

.calc-summary .calc-note {
  margin: 8px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}

.calc-label { margin: 0; font-size: 13px; font-weight: 800; color: #f5d08a; }
.calc-price { margin: 8px 0; font-size: 2.25rem; font-weight: 800; }
.calc-meta { margin: 0; font-size: 14px; color: rgba(255,255,255,0.8); }

.lead-form h3 { margin: 0 0 16px; font-size: 18px; }
.lead-form label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 700;
}

.lead-form input, .lead-form select {
  display: block;
  width: 100%;
  margin-top: 6px;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font: inherit;
}

.lead-form--glass {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
}

.lead-form--glass input {
  background: rgba(255,255,255,0.96);
}

.form-note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

.form-note--light { color: rgba(255,255,255,0.65); }

/* Cards */
.cards-grid {
  display: grid;
  gap: 16px;
}

.cards-grid--3 { grid-template-columns: 1fr; }
.cards-grid--4 { grid-template-columns: 1fr; }

.card, .compare-card, .kit-card, .quality-card {
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.card--featured {
  border-color: var(--forest);
  box-shadow: var(--shadow);
}

.badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--forest);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

.card h3, .compare-card h3, .kit-card h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.card-sub { margin: 0 0 12px; color: var(--forest); font-weight: 800; }
.card ul, .compare-card ul, .kit-card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.card li { margin-bottom: 6px; }
.card-price { margin: 16px 0; font-size: 1.25rem; font-weight: 800; color: var(--forest); }

/* Promo banners */
.promo-banner {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.promo-banner-wrap {
  margin: 0;
}

.promo-banner-wrap figcaption {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
}

.promo-banner-wrap--center {
  max-width: 720px;
  margin-inline: auto;
}

.trust-banners,
.promo-banners-row {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.section-dark .promo-banner-wrap figcaption {
  color: rgba(255, 255, 255, 0.7);
}

/* Featured product */
.featured-product__layout {
  display: grid;
  gap: 32px;
  align-items: center;
}

.featured-product__text h2 {
  margin: 12px 0 16px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.featured-product__text p {
  margin: 0 0 16px;
  color: var(--muted);
}

/* Scenarios promo */
.scenarios-layout {
  display: grid;
  gap: 32px;
  align-items: center;
}

.scenarios-lead {
  margin: 0 0 24px;
  font-size: clamp(1.125rem, 2.5vw, 1.35rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.scenarios-layout__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Length catalog (legacy) */
.length-grid {
  display: grid;
  gap: 16px;
}

.length-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.length-card--featured {
  border-color: var(--forest);
  box-shadow: var(--shadow);
}

.length-card__visual {
  height: 120px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--forest), #2a4a35);
  background-image: url("assets/promo/promo-lengths-grid.png");
  background-size: 400% 100%;
  background-repeat: no-repeat;
}

.length-card__visual--3 { background-position: 0% center; }
.length-card__visual--4 { background-position: 33.33% center; }
.length-card__visual--5 { background-position: 66.66% center; }
.length-card__visual--6 { background-position: 100% center; }

.length-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--forest);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.price-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 800;
}

.length-card__note {
  margin: 0;
  flex: 1;
  color: var(--muted);
  font-size: 14px;
}

.kit-grid { display: grid; gap: 16px; }
.kit-card { background: var(--forest); color: #fff; border: none; }
.kit-card h3 { color: #f5d08a; font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
.kit-card ul { padding: 0; list-style: none; color: rgba(255,255,255,0.92); }
.kit-card li { margin-bottom: 8px; font-weight: 600; }

.quality-grid { display: grid; gap: 16px; }
.quality-card { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: #fff; }
.quality-card h3 { margin-top: 0; color: #f5d08a; font-size: 15px; }
.solution { margin-bottom: 0; }

.construction-list {
  display: grid;
  gap: 12px;
}

.construction-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}

.construction-list span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--forest);
  color: #f5d08a;
  font-weight: 800;
}

.construction-list h3 { margin: 0 0 4px; font-size: 1rem; }
.construction-list p { margin: 0; color: var(--muted); font-size: 14px; }

.case-card {
  display: grid;
  gap: 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.case-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.case-card .russia-map {
  aspect-ratio: 900 / 520;
  object-fit: contain;
  background: var(--paper-strong);
}
.case-body { padding: 24px; }
.case-body h3 { margin: 8px 0 16px; }

.video-layout, .delivery-layout, .final-layout, .promo-layout, .community-layout {
  display: grid;
  gap: 32px;
}

.video-box {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--forest);
  color: #fff;
}

.video-box h2 { margin: 12px 0; }

.video-player {
  width: 100%;
  margin: 16px 0 20px;
  border-radius: 14px;
  background: #000;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.community {
  background: var(--paper-strong);
  padding-block: 48px;
}

.community-video {
  display: flex;
  justify-content: center;
  align-items: stretch;
}

.community-video .video-player {
  margin: 0;
  width: auto;
  max-width: 100%;
  height: 400px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
}

.community-vk {
  min-height: 400px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.community-vk #vk_groups,
.community-vk iframe {
  width: 100% !important;
}

.checklist-title { font-weight: 800; margin-bottom: 12px; }
.checklist { margin: 0 0 24px; padding: 0; list-style: none; }
.checklist li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}

.check-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-weight: 700;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--forest);
  font-weight: 800;
}

.check-list--light li::before { color: var(--gold); }

.delivery-types {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.delivery-types article {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}

.muted-list { color: var(--muted); padding-left: 18px; }

.reviews-grid {
  display: grid;
  gap: 16px;
}

.reviews-grid blockquote {
  margin: 0;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.reviews-grid p { margin: 0; font-size: 17px; font-weight: 500; }
.reviews-grid cite {
  display: block;
  margin-top: 16px;
  font-style: normal;
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
}

.faq-item + .faq-item { margin-top: 10px; }

.faq-q {
  width: 100%;
  padding: 18px 20px;
  border: none;
  background: #fff;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.faq-a {
  display: none;
  padding: 0 20px 18px;
  color: var(--muted);
  font-size: 15px;
}

.faq-item.is-open .faq-a { display: block; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 32px;
}

.cta-row--light p { color: rgba(255,255,255,0.85); }

.final-offer {
  background: linear-gradient(135deg, var(--forest), #2a4a35);
  color: #fff;
}

.final-list {
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
}

.final-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-weight: 700;
}

.final-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* Footer */
.site-footer {
  padding: 48px 0 24px;
  background: var(--ink);
  color: rgba(255,255,255,0.75);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-copy {
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 13px;
}

.site-footer a:hover { color: #fff; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  z-index: 110;
  left: 12px;
  right: 12px;
  bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  max-width: 720px;
  margin-inline: auto;
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 250, 242, 0.98);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.cookie-banner__text {
  flex: 1 1 240px;
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}

.cookie-banner__text a {
  color: var(--forest-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__btn {
  flex-shrink: 0;
}

@media (min-width: 900px) {
  .cookie-banner {
    bottom: 24px;
    left: 24px;
    right: auto;
    width: min(560px, calc(100% - 48px));
    margin-inline: 0;
  }
}

/* Mobile bar */
.mobile-bar {
  position: fixed;
  z-index: 90;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: rgba(255,250,242,0.96);
  backdrop-filter: blur(8px);
}

.mobile-phone {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--forest);
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}

/* Responsive */
@media (min-width: 640px) {
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-banners { grid-template-columns: repeat(2, 1fr); }
  .promo-banners-row { grid-template-columns: repeat(2, 1fr); }
  .length-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .kit-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .header-messenger, .header-phone { display: inline-flex; }
}

@media (min-width: 960px) {
  body { padding-bottom: 0; }
  .mobile-bar { display: none; }
  .brand-copy small { display: block; }
  .calc-layout { max-width: 480px; }
  .featured-product__layout { grid-template-columns: 1fr 1fr; }
  .scenarios-layout { grid-template-columns: 1.1fr 0.9fr; }
  .length-grid { grid-template-columns: repeat(4, 1fr); }
  .cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .cards-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .kit-grid { grid-template-columns: repeat(4, 1fr); }
  .case-card { grid-template-columns: 1fr 1fr; }
  .case-card img:not(.russia-map) { aspect-ratio: auto; min-height: 360px; }
  .case-card .russia-map { min-height: 320px; }
  .video-layout, .delivery-layout, .final-layout, .promo-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
  .community-layout {
    grid-template-columns: auto 1fr;
    align-items: stretch;
  }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .construction-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 959px) {
  .brand-copy { display: none; }
  .header-actions .button-sm { display: none; }
}