:root {
  --deep-black: #0b0b0b;
  --graphite: #4f5257;
  --warm-light-stone: #f3f0ea;
  --stone-beige: #d9d4cc;
  --subtle-bronze: #8c6a43;

  --text-dark: rgba(11, 11, 11, 0.86);
  --text-dark-muted: rgba(11, 11, 11, 0.62);
  --text-light: rgba(243, 240, 234, 0.88);
  --text-light-muted: rgba(243, 240, 234, 0.62);
  --border-light: rgba(11, 11, 11, 0.14);
  --border-dark: rgba(243, 240, 234, 0.14);
  --border-bronze: rgba(140, 106, 67, 0.42);

  --font-display: "Forum", Georgia, serif;
  --font-body: "Inter", Arial, sans-serif;

  --container: 1280px;
  --header-height: 76px;
  --radius-small: 4px;
  --radius-image: 10px;
  --section-space: clamp(112px, 10vw, 144px);
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--deep-black);
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--warm-light-stone);
  color: var(--deep-black);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  background: rgba(11, 11, 11, 0.96);
  border-bottom: 1px solid var(--border-dark);
  transition: transform var(--transition), background var(--transition);
}

.site-header.header-hidden {
  transform: translateY(-100%);
}

.site-header.scrolled {
  background: rgba(11, 11, 11, 0.985);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  width: 142px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.brand img {
  width: 100%;
  height: auto;
}

.desktop-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
}

.desktop-nav a {
  position: relative;
  color: var(--text-light-muted);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition);
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--subtle-bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--warm-light-stone);
}

.desktop-nav a.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  width: 44px;
  height: 44px;
  margin-left: auto;
  display: none;
  position: relative;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-small);
  background: transparent;
  color: var(--warm-light-stone);
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform var(--transition), top var(--transition);
}

.menu-toggle span:first-child {
  top: 17px;
}

.menu-toggle span:last-child {
  top: 25px;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  top: 21px;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 99;
  inset: var(--header-height) 0 0;
  overflow-y: auto;
  background: var(--deep-black);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-nav {
  padding-block: 24px 52px;
  display: grid;
}

.mobile-nav > a:not(.button) {
  min-height: 58px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-dark);
  color: var(--text-light);
  font-size: 1.06rem;
}

.mobile-nav .button {
  margin-top: 32px;
}

.button {
  min-height: 54px;
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--subtle-bronze);
  border-radius: var(--radius-small);
  background: var(--subtle-bronze);
  color: var(--warm-light-stone);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.button:hover {
  border-color: #9c7950;
  background: #9c7950;
}

.button--small {
  min-height: 42px;
  padding: 9px 16px;
  font-size: 0.8rem;
}

.button--outline {
  width: 100%;
  margin-top: auto;
  border-color: rgba(243, 240, 234, 0.34);
  background: transparent;
}

.button--outline:hover {
  border-color: var(--subtle-bronze);
  background: var(--subtle-bronze);
}

.brand:focus-visible,
.desktop-nav a:focus-visible,
.mobile-nav a:focus-visible,
.button:focus-visible,
.text-link:focus-visible,
.menu-toggle:focus-visible,
.faq-question:focus-visible {
  outline: 2px solid var(--subtle-bronze);
  outline-offset: 4px;
}

.section {
  padding-block: var(--section-space);
  scroll-margin-top: var(--header-height);
}

.section--dark {
  background: var(--deep-black);
  color: var(--text-light);
}

.section--light {
  background: var(--warm-light-stone);
  color: var(--text-dark);
}

.section--stone {
  background: var(--stone-beige);
  color: var(--text-dark);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  color: var(--subtle-bronze);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  flex: 0 0 auto;
  background: currentColor;
  opacity: 0.72;
}

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
}

h1 {
  max-width: 770px;
  font-size: clamp(3.5rem, 7vw, 6.25rem);
  line-height: 0.96;
}

h2 {
  max-width: 1000px;
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1.02;
}

h3,
h4 {
  font-family: var(--font-body);
  font-weight: 600;
}

.section-head {
  max-width: 1060px;
}

.section-head--compact {
  max-width: 700px;
}

.section-lead,
.hero-lead {
  max-width: 780px;
  margin-top: 32px;
  color: var(--text-dark-muted);
  font-size: clamp(1.06rem, 1.5vw, 1.22rem);
  line-height: 1.62;
}

.section--dark .section-lead,
.hero-lead {
  color: var(--text-light-muted);
}

.hero {
  min-height: calc(100svh - var(--header-height));
  padding-top: clamp(72px, 8vw, 112px);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
  align-items: center;
  gap: clamp(48px, 7vw, 104px);
}

.hero-copy {
  min-width: 0;
}

.hero-lead {
  max-width: 720px;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-size: 0.92rem;
  font-weight: 500;
}

.text-link::after {
  content: "→";
  color: var(--subtle-bronze);
  transition: transform var(--transition);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.hero-facts {
  margin-top: clamp(52px, 7vw, 82px);
  display: grid;
  grid-template-columns: 0.7fr 1fr 1.4fr;
  border-top: 1px solid var(--border-dark);
}

.hero-facts div {
  min-width: 0;
  padding: 22px 18px 0;
  border-left: 1px solid var(--border-dark);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  color: var(--warm-light-stone);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.35;
}

.hero-facts dd {
  margin-top: 6px;
  color: var(--text-light-muted);
  font-size: 0.74rem;
  line-height: 1.45;
}

.hero-visual {
  align-self: stretch;
  min-height: 620px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-image);
  object-fit: cover;
  object-position: center;
}

.editorial-list {
  margin-top: clamp(64px, 7vw, 96px);
  border-bottom: 1px solid var(--border-light);
}

.section--dark .editorial-list {
  border-color: var(--border-dark);
}

.editorial-row {
  min-height: 150px;
  padding-block: 30px;
  display: grid;
  grid-template-columns: 72px minmax(240px, 0.86fr) minmax(280px, 1.14fr);
  gap: 28px;
  align-items: start;
  border-top: 1px solid var(--border-light);
}

.section--dark .editorial-row {
  border-color: var(--border-dark);
}

.item-number,
.editorial-row .item-number,
.system-principles .item-number {
  color: var(--subtle-bronze);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.editorial-row h3 {
  font-size: 1rem;
  line-height: 1.45;
  text-transform: uppercase;
}

.editorial-row p {
  color: var(--text-dark-muted);
  font-size: 1.02rem;
  line-height: 1.65;
}

.section--dark .editorial-row p {
  color: var(--text-light-muted);
}

.bridge-statement {
  max-width: 820px;
  margin-top: 64px;
  padding-top: 26px;
  border-top: 1px solid var(--border-bronze);
  font-size: clamp(1.08rem, 1.6vw, 1.24rem);
  font-weight: 500;
  line-height: 1.55;
}

.system-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: clamp(48px, 8vw, 116px);
  align-items: start;
}

.system-visual {
  grid-row: span 2;
  aspect-ratio: 2 / 3;
}

.system-visual img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-image);
  object-fit: cover;
}

.system-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-self: end;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.system-principles article {
  padding: 28px 26px 30px;
  border-left: 1px solid var(--border-dark);
}

.system-principles article:first-child {
  padding-left: 0;
  border-left: 0;
}

.system-principles h3 {
  margin-top: 18px;
  color: var(--warm-light-stone);
  font-size: 0.9rem;
  line-height: 1.45;
  text-transform: uppercase;
}

.system-principles p {
  margin-top: 14px;
  color: var(--text-light-muted);
  font-size: 0.91rem;
  line-height: 1.6;
}

.sequence-list {
  margin-top: clamp(64px, 7vw, 94px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  border-bottom: 1px solid var(--border-light);
}

.sequence-list li {
  min-width: 0;
  padding: 28px 24px 32px;
  border-top: 1px solid var(--border-light);
  border-left: 1px solid var(--border-light);
}

.sequence-list li:first-child {
  padding-left: 0;
  border-left: 0;
}

.sequence-list span {
  color: var(--subtle-bronze);
  font-size: 0.76rem;
  font-weight: 600;
}

.sequence-list h3 {
  margin-top: 34px;
  font-size: 0.98rem;
  text-transform: uppercase;
}

.sequence-list p {
  margin-top: 14px;
  color: var(--text-dark-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.module-zero {
  margin-top: clamp(64px, 7vw, 94px);
  padding: 28px 0;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  border-top: 1px solid var(--border-bronze);
  border-bottom: 1px solid var(--border-light);
}

.module-zero > span {
  color: var(--subtle-bronze);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.module-zero h3 {
  font-size: 1rem;
  text-transform: uppercase;
}

.module-zero p {
  margin-top: 8px;
  color: var(--text-dark-muted);
}

.route-table {
  width: 100%;
}

.route-header,
.route-row {
  display: grid;
  grid-template-columns: minmax(220px, 35fr) minmax(0, 65fr);
  gap: 40px;
  border-bottom: 1px solid var(--border-light);
}

.route-header {
  padding-block: 20px;
  color: var(--text-dark-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.route-row {
  padding-block: 28px;
}

.route-row h3 {
  font-size: 1.02rem;
  text-transform: uppercase;
}

.route-row p {
  color: var(--text-dark-muted);
  font-size: 1.02rem;
}

.result-list {
  margin-top: clamp(64px, 7vw, 94px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 64px;
  border-bottom: 1px solid var(--border-dark);
}

.result-list article {
  min-height: 156px;
  padding-block: 28px;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  border-top: 1px solid var(--border-dark);
}

.result-list article > span {
  color: var(--subtle-bronze);
  font-size: 0.76rem;
  font-weight: 600;
}

.result-list h3 {
  color: var(--warm-light-stone);
  font-size: 0.98rem;
  text-transform: uppercase;
}

.result-list p {
  margin-top: 12px;
  color: var(--text-light-muted);
  line-height: 1.62;
}

.base-products {
  margin-top: clamp(64px, 7vw, 94px);
  display: grid;
  gap: clamp(96px, 9vw, 124px);
}

.base-product {
  display: grid;
  grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
  gap: clamp(64px, 6vw, 88px);
  align-items: center;
}

.base-product--primary {
  grid-template-areas: "mockup content";
}

.base-product--tools {
  grid-template-areas: "content mockup";
}

@media (min-width: 901px) {
  .hero {
    padding-top: clamp(88px, 7vw, 96px);
    padding-bottom: clamp(72px, 6vw, 84px);
  }

  .hero-actions {
    margin-top: 36px;
  }

  .base-product--tools {
    align-items: start;
  }

  .case--alexey figure {
    width: calc(100% - 35px);
  }
}

@media (min-width: 901px) and (max-height: 820px) {
  .hero {
    padding-top: clamp(80px, 6.5vw, 84px);
  }

  .hero-grid {
    align-items: start;
  }

  h1 {
    font-size: clamp(3.5rem, 6.65vw, 5.9375rem);
  }

  .hero-lead,
  .hero-actions {
    margin-top: 28px;
  }
}

.base-mockup {
  grid-area: mockup;
  width: 100%;
  max-width: 620px;
}

.base-product--tools .base-mockup {
  justify-self: end;
}

.base-mockup img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.base-product .content-group {
  grid-area: content;
}

#base .bridge-statement {
  margin-top: 80px;
}

.content-group > h3 {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-bronze);
  color: var(--subtle-bronze);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.content-group dl > div {
  padding-block: 24px;
  border-bottom: 1px solid var(--border-light);
}

.content-group dt {
  font-size: 1rem;
  font-weight: 600;
}

.content-group dd {
  margin-top: 8px;
  color: var(--text-dark-muted);
}

.cases-grid {
  margin-top: clamp(64px, 7vw, 94px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.case {
  min-width: 0;
  padding: 34px;
  border-left: 1px solid var(--border-light);
}

.case:first-child {
  padding-left: 0;
  border-left: 0;
}

.case figure {
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background: #181818;
}

.case figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.case-meta {
  margin-top: 28px;
  color: var(--subtle-bronze);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case h3 {
  margin-top: 26px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case h3 + p {
  margin-top: 12px;
  color: var(--text-dark-muted);
  line-height: 1.62;
}

.case blockquote {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-bronze);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.25;
}

.pricing-grid {
  margin-top: clamp(64px, 7vw, 94px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}

.pricing-level {
  min-width: 0;
  padding: 38px 34px 42px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-dark);
}

.pricing-level:first-child {
  padding-left: 0;
  border-left: 0;
}

.pricing-level:last-child {
  padding-right: 0;
}

.level-label {
  color: var(--subtle-bronze);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.price {
  margin-top: 24px;
  color: var(--warm-light-stone);
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 4vw, 4.1rem);
  line-height: 1;
}

.pricing-level > h3 {
  margin-top: 28px;
  color: var(--warm-light-stone);
  font-size: 1.08rem;
  line-height: 1.5;
}

.pricing-level > h3 + p {
  margin-top: 16px;
  color: var(--text-light-muted);
  line-height: 1.62;
}

.level-content {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
}

.pricing-level h4 {
  color: var(--text-light);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.level-content ul {
  margin-top: 16px;
  display: grid;
  gap: 9px;
  list-style: none;
}

.level-content li {
  position: relative;
  padding-left: 18px;
  color: var(--text-light-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.level-content li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 6px;
  height: 1px;
  background: var(--subtle-bronze);
}

.control-logic {
  margin-top: 24px;
  color: var(--text-light-muted);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.06em;
}

.level-result {
  margin-block: 32px;
}

.level-result p {
  margin-top: 10px;
  color: var(--text-light-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.pricing-summary {
  max-width: 680px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border-bronze);
  color: var(--text-light-muted);
  line-height: 1.85;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(60px, 9vw, 132px);
  align-items: start;
}

.section-head--sticky {
  position: sticky;
  top: calc(var(--header-height) + 36px);
}

.faq-list {
  border-bottom: 1px solid var(--border-light);
}

.faq-item {
  border-top: 1px solid var(--border-light);
}

.faq-item h3 {
  margin: 0;
}

.faq-question {
  width: 100%;
  min-height: 88px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px;
  gap: 24px;
  align-items: center;
  border: 0;
  background: transparent;
  color: var(--text-dark);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 1px;
  width: 16px;
  height: 1px;
  background: var(--subtle-bronze);
  transition: transform var(--transition);
}

.faq-icon::after {
  transform: rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: rotate(0);
}

.faq-answer {
  max-width: 760px;
  padding: 0 46px 28px 0;
  color: var(--text-dark-muted);
  line-height: 1.68;
}

.faq-answer[hidden] {
  display: none;
}

.faq-answer p + p {
  margin-top: 14px;
}

.final-cta {
  padding-block: clamp(132px, 13vw, 190px);
  border-top: 1px solid var(--border-dark);
}

.final-cta-inner {
  max-width: 1000px;
}

.final-cta .section-lead {
  max-width: 720px;
}

.final-cta .button {
  margin-top: 42px;
}

.site-footer {
  padding-block: clamp(56px, 7vw, 92px);
  border-top: 1px solid var(--border-dark);
  background: var(--deep-black);
}

.footer-inner {
  display: block;
}

.footer-primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-inner p {
  color: var(--text-light-muted);
  font-size: 0.8rem;
}

.footer-legal {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(28px, 4vw, 56px);
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--border-dark);
}

.footer-requisites {
  display: grid;
  gap: 3px;
  margin: 0;
  line-height: 1.5;
}

.footer-requisites span:first-child {
  color: rgba(243, 240, 234, 0.82);
}

.footer-requisites a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-requisites a:hover,
.footer-requisites a:focus-visible {
  color: var(--text-light);
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 24px;
}

.footer-legal-links a {
  color: var(--text-light-muted);
  font-size: 0.8rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-legal-links a:hover,
.footer-legal-links a:focus-visible {
  color: var(--text-light);
}

.footer-copyright {
  margin: 0;
}

@media (max-width: 1160px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .system-layout {
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 52px;
  }

  .system-principles {
    grid-template-columns: 1fr;
  }

  .system-principles article {
    padding: 22px 0;
    border-top: 1px solid var(--border-dark);
    border-left: 0;
  }

  .system-principles article:first-child {
    border-top: 0;
  }

}

@media (max-width: 900px) {
  :root {
    --section-space: 92px;
  }

  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .system-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .base-product,
  .base-product--primary,
  .base-product--tools {
    grid-template-columns: 1fr;
    grid-template-areas:
      "mockup"
      "content";
    gap: 40px;
  }

  .base-products {
    gap: 84px;
  }

  .base-product--tools .base-mockup {
    justify-self: start;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual img {
    height: auto;
    aspect-ratio: 1;
  }

  .system-visual {
    grid-row: auto;
  }

  .system-visual img {
    max-height: 760px;
    object-position: center;
  }

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

  .system-principles article {
    padding: 24px 22px;
    border-top: 0;
    border-left: 1px solid var(--border-dark);
  }

  .system-principles article:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .editorial-row {
    grid-template-columns: 54px minmax(200px, 0.9fr) minmax(0, 1.1fr);
    gap: 22px;
  }

  .pricing-grid,
  .cases-grid {
    grid-template-columns: 1fr;
  }

  .pricing-level,
  .pricing-level:first-child,
  .pricing-level:last-child,
  .case,
  .case:first-child {
    padding: 38px 0;
    border-top: 1px solid var(--border-dark);
    border-left: 0;
  }

  .pricing-level:first-child,
  .case:first-child {
    border-top: 0;
  }

  .case {
    border-color: var(--border-light);
  }

  .case figure {
    max-width: 680px;
  }

  .section-head--sticky {
    position: static;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 68px;
    --section-space: 78px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .brand {
    width: 122px;
  }

  .section {
    padding-block: var(--section-space);
  }

  .hero {
    padding-top: 64px;
  }

  h1 {
    font-size: clamp(2.9rem, 14vw, 4.4rem);
    line-height: 0.98;
  }

  h2 {
    font-size: clamp(2.35rem, 11vw, 3.45rem);
    line-height: 1.03;
  }

  .section-lead,
  .hero-lead {
    margin-top: 24px;
    font-size: 1.04rem;
    line-height: 1.62;
  }

  .hero-actions {
    margin-top: 32px;
    align-items: stretch;
    flex-direction: column;
    gap: 20px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .text-link {
    min-height: 44px;
  }

  .hero-facts {
    margin-top: 46px;
    grid-template-columns: 1fr;
  }

  .hero-facts div,
  .hero-facts div:first-child {
    padding: 16px 0;
    border-top: 1px solid var(--border-dark);
    border-left: 0;
  }

  .hero-facts div:first-child {
    border-top: 0;
  }

  .hero-visual {
    margin-top: 4px;
  }

  .editorial-list,
  .sequence-list,
  .module-zero,
  .result-list,
  .base-products,
  .cases-grid,
  .pricing-grid {
    margin-top: 54px;
  }

  .editorial-row {
    min-height: 0;
    padding-block: 26px;
    grid-template-columns: 42px 1fr;
    gap: 10px 14px;
  }

  .editorial-row p {
    grid-column: 2;
    font-size: 0.98rem;
  }

  .bridge-statement {
    margin-top: 48px;
    padding-top: 22px;
    font-size: 1.05rem;
  }

  .system-visual img {
    max-height: none;
    height: auto;
  }

  .system-principles {
    grid-template-columns: 1fr;
  }

  .system-principles article,
  .system-principles article:first-child {
    padding: 24px 0;
    border-top: 1px solid var(--border-dark);
    border-left: 0;
  }

  .system-principles article:first-child {
    border-top: 0;
  }

  .sequence-list {
    grid-template-columns: 1fr;
  }

  .sequence-list li,
  .sequence-list li:first-child {
    padding: 24px 0;
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 8px 14px;
    border-left: 0;
  }

  .sequence-list h3 {
    margin-top: 0;
  }

  .sequence-list p {
    grid-column: 2;
    margin-top: 0;
  }

  .module-zero {
    grid-template-columns: 42px 1fr;
    gap: 14px;
  }

  .route-header {
    display: none;
  }

  .route-row {
    padding-block: 24px;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .route-row p {
    font-size: 0.98rem;
  }

  .result-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .result-list article {
    min-height: 0;
  }

  .base-product,
  .base-product--primary,
  .base-product--tools {
    gap: 36px;
  }

  .base-products {
    gap: 80px;
  }

  #base .bridge-statement {
    margin-top: 56px;
  }

  .case,
  .case:first-child {
    padding-block: 30px;
  }

  .pricing-level,
  .pricing-level:first-child,
  .pricing-level:last-child {
    padding-block: 34px;
  }

  .price {
    font-size: 3.2rem;
  }

  .faq-question {
    min-height: 78px;
    padding-block: 20px;
    gap: 18px;
    font-size: 0.98rem;
  }

  .faq-answer {
    padding: 0 0 24px;
  }

  .final-cta {
    padding-block: 100px;
  }

  .footer-inner {
    display: block;
  }

  .footer-primary {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-top: 28px;
    padding-top: 28px;
  }

  .footer-legal-links {
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}