:root {
  --bg: #f7f5ef;
  --paper: #fffdf8;
  --ink: #151716;
  --muted: #696d67;
  --line: #ddd8cb;
  --deep: #163c35;
  --deep-2: #0f2925;
  --copper: #b97745;
  --sage: #dfe9df;
  --shadow: 0 24px 70px rgba(27, 31, 29, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 70px);
  background: rgba(247, 245, 239, 0.86);
  border-bottom: 1px solid rgba(221, 216, 203, 0.78);
  backdrop-filter: blur(18px);
}

.brand,
.main-nav,
.hero-actions,
.proof-strip,
.workflow-panel,
.footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.main-nav {
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

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

.nav-cta,
.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 750;
}

.nav-cta,
.button.primary,
.contact-form button {
  background: var(--deep);
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 0.86fr);
  gap: clamp(36px, 6vw, 86px);
  min-height: calc(92vh - 74px);
  padding: clamp(48px, 6vw, 82px) clamp(20px, 5vw, 70px) 42px;
  align-items: center;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 6.2vw, 78px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy > p {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions {
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.button.secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.proof-strip {
  max-width: 720px;
  margin: 54px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  gap: 32px;
  flex-wrap: wrap;
}

.proof-strip dt {
  font-size: 15px;
  font-weight: 800;
}

.proof-strip dd {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  min-height: 500px;
}

.browser-frame {
  position: absolute;
  inset: 32px 0 54px 28px;
  overflow: hidden;
  border: 1px solid #cfc8bb;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.browser-bar {
  display: flex;
  gap: 7px;
  height: 42px;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
}

.browser-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c8b69e;
}

.mock-page {
  padding: 28px;
}

.mock-hero {
  height: 190px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(22, 60, 53, 0.92), rgba(16, 36, 33, 0.96)),
    linear-gradient(45deg, #d9c3a7, #edf1e9);
}

.mock-title {
  width: 74%;
  height: 32px;
  margin-top: 28px;
  background: var(--ink);
}

.mock-lines {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.mock-lines span {
  height: 10px;
  background: #d8d2c6;
}

.mock-lines span:nth-child(2) {
  width: 76%;
}

.mock-lines span:nth-child(3) {
  width: 52%;
}

.mock-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 30px;
}

.mock-cards span {
  height: 112px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f4f0e7;
}

.lead-panel {
  position: absolute;
  right: 0;
  top: 0;
  width: min(270px, 56%);
  padding: 20px;
  border-radius: var(--radius);
  background: var(--deep);
  color: #fff;
  box-shadow: var(--shadow);
}

.lead-panel p,
.lead-panel span {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.lead-panel strong {
  display: block;
  margin: 10px 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

.workflow-panel {
  position: absolute;
  right: 34px;
  bottom: 8px;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 18px 50px rgba(27, 31, 29, 0.12);
}

.workflow-panel span {
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--sage);
  color: var(--deep-2);
  font-size: 12px;
  font-weight: 750;
}

.intro-band {
  padding: 36px clamp(20px, 5vw, 70px);
  background: var(--deep-2);
  color: #fff;
}

.intro-band p {
  max-width: 980px;
  margin: 0 auto;
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.25;
  font-weight: 750;
}

.section {
  padding: clamp(74px, 10vw, 124px) clamp(20px, 5vw, 70px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading h2,
.contact-section h2,
.concept-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-heading p,
.contact-section p,
.concept-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.offers-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.offer-card,
.maintenance-grid article {
  min-height: 360px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.offer-card.highlighted {
  background: var(--deep);
  color: #fff;
  border-color: var(--deep);
}

.offer-card.highlighted p,
.offer-card.highlighted li,
.offer-card.highlighted .offer-index {
  color: rgba(255, 255, 255, 0.72);
}

.offer-index {
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
}

.offer-card h3,
.maintenance-grid h3 {
  margin: 22px 0 12px;
  font-size: 24px;
}

.price {
  margin: 0 0 18px;
  color: var(--deep);
  font-weight: 800;
}

.offer-card p:not(.price),
.maintenance-grid p:not(.price),
.method-list p {
  color: var(--muted);
  line-height: 1.55;
}

.offer-card ul {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.offer-card li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--copper);
}

.method-section {
  background: #efeadf;
}

.method-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #d4cbbb;
}

.method-list article {
  min-height: 260px;
  padding: 28px 24px 0 0;
  border-right: 1px solid #d4cbbb;
}

.method-list article:last-child {
  border-right: 0;
}

.method-list span {
  color: var(--copper);
  font-size: 13px;
  font-weight: 800;
}

.method-list h3 {
  margin: 30px 0 12px;
  font-size: 24px;
}

.sector-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.7fr);
  gap: 22px;
}

.sector-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.sector-list a {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 750;
  line-height: 1.1;
}

.sector-list a:hover {
  color: var(--deep);
}

.sector-panel {
  align-self: start;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--deep-2);
  color: #fff;
}

.sector-panel h3 {
  margin: 0 0 22px;
  font-size: 24px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.module-grid span {
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 14px;
  font-weight: 650;
}

.maintenance-section {
  background: var(--paper);
}

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.maintenance-grid article {
  min-height: 250px;
}

.concept-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.52fr) minmax(0, 1fr);
  gap: 38px;
  align-items: center;
}

.concept-preview {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.concept-preview img {
  display: block;
  width: 100%;
  height: auto;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.7fr);
  gap: 48px;
  margin: 0 clamp(20px, 5vw, 70px) clamp(40px, 6vw, 80px);
  padding: clamp(38px, 6vw, 70px);
  border-radius: var(--radius);
  background: var(--deep);
  color: #fff;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
  font: inherit;
  font-size: 15px;
  padding: 14px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.48);
}

.contact-form select option {
  color: var(--ink);
}

.contact-form button {
  margin-top: 6px;
  background: #fff;
  color: var(--deep);
  cursor: pointer;
}

.footer {
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 70px);
  color: var(--muted);
  font-size: 14px;
}

.footer p {
  margin: 0;
}

.footer a {
  font-weight: 750;
  color: var(--deep);
}

@media (max-width: 1100px) {
  .hero,
  .sector-layout,
  .concept-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 520px;
  }

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

  .method-list article {
    border-right: 0;
    border-bottom: 1px solid #d4cbbb;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .main-nav {
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 2px;
  }

  .nav-cta {
    width: 100%;
  }

  .hero {
    padding-top: 54px;
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .hero-visual {
    min-height: 430px;
  }

  .browser-frame {
    inset: 36px 0 48px 0;
  }

  .lead-panel {
    width: 78%;
  }

  .workflow-panel {
    right: 10px;
    max-width: calc(100% - 20px);
    overflow-x: auto;
  }

  .offers-grid,
  .method-list,
  .maintenance-grid,
  .module-grid {
    grid-template-columns: 1fr;
  }

  .offer-card,
  .maintenance-grid article {
    min-height: auto;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}