:root {
  --walnut: #6b4e3d;
  --walnut-dark: #3a281f;
  --black: #1a1a1a;
  --cream: #f6f3ee;
  --beige: #e7e1d6;
  --stone: #a9a49a;
  --sage: #8a927e;
  --line: rgba(58, 40, 31, 0.18);
  --shadow: 0 24px 70px rgba(26, 26, 26, 0.18);
  --sans: Avenir Next, Avenir, Montserrat, Helvetica Neue, Arial, sans-serif;
  --serif: Georgia, Times New Roman, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--black);
  font-family: var(--sans);
  line-height: 1.55;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--black);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(246, 243, 238, 0.92);
  color: var(--black);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  width: clamp(116px, 10vw, 156px);
  height: auto;
  mix-blend-mode: multiply;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid currentColor;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.button.primary,
.header-cta {
  background: var(--black);
  border-color: var(--black);
  color: var(--cream);
}

.button.ghost {
  color: var(--black);
  background: transparent;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  overflow: hidden;
  background: #fbfaf7;
}

.hero-minimal {
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: clamp(28px, 5vw, 78px);
  padding: 112px clamp(18px, 5vw, 76px) 92px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  margin: 0;
  color: var(--black);
}

.hero-logo {
  width: min(520px, 100%);
  margin-bottom: clamp(36px, 7vw, 78px);
}

.hero-logo img {
  width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}

.hero-visual {
  align-self: end;
  overflow: hidden;
  background: var(--beige);
  box-shadow: 0 28px 80px rgba(58, 40, 31, 0.12);
}

.hero-visual img {
  width: 100%;
  height: min(74vh, 760px);
  object-fit: cover;
  object-position: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--walnut);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.consultation .eyebrow,
.site-footer .brand small {
  color: #d8b38c;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 0.98;
}

h1 {
  max-width: 560px;
  margin-bottom: 22px;
  font-size: clamp(56px, 7vw, 104px);
}

h2 {
  font-size: clamp(38px, 5vw, 76px);
}

h3 {
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-copy p:not(.eyebrow) {
  max-width: 500px;
  color: rgba(26, 26, 26, 0.7);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(251, 250, 247, 0.88);
  color: rgba(26, 26, 26, 0.72);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.hero-strip span {
  padding: 22px;
  border-left: 1px solid var(--line);
  text-align: center;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

section {
  padding: clamp(72px, 9vw, 132px) clamp(18px, 5vw, 76px);
}

.band {
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 940px;
  margin-bottom: 40px;
}

.intro-grid,
.builder,
.consultation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: clamp(28px, 6vw, 96px);
  align-items: center;
}

.intro-grid p,
.showcase-copy p,
.builder p,
.consultation p,
.detail-copy p {
  max-width: 620px;
  color: rgba(26, 26, 26, 0.72);
  font-size: 18px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}

.metric-row span {
  padding: 22px;
  border-left: 1px solid var(--line);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-row span:first-child {
  border-left: 0;
}

.metric-row strong {
  display: block;
  color: var(--walnut);
  font-family: var(--serif);
  font-size: 46px;
  font-weight: 400;
}

.system-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.system-card,
.module-grid article,
.journal-grid article {
  min-height: 310px;
  padding: 28px;
  background: #fbf9f5;
}

.feature-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--walnut-dark);
  color: var(--cream);
}

.system-card p,
.module-grid p,
.journal-grid p,
.steps-list p {
  color: rgba(26, 26, 26, 0.68);
}

.feature-card p,
.feature-card li {
  color: rgba(246, 243, 238, 0.78);
}

.feature-card ul {
  padding-left: 18px;
}

.feature-card a,
.text-link,
.journal-grid a {
  color: var(--walnut);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.split-band,
.detail-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  background: var(--beige);
}

figure {
  margin: 0;
}

.split-band figure,
.detail-section figure,
.installation-grid figure {
  overflow: hidden;
  box-shadow: var(--shadow);
}

.split-band img,
.detail-section img,
.installation-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-band {
  background: #fbf9f5;
}

.image-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 12px;
}

.image-mosaic figure {
  position: relative;
  overflow: hidden;
  background: var(--beige);
}

.image-mosaic .wide {
  grid-column: span 2;
}

.image-mosaic .tall {
  grid-row: span 2;
}

.image-mosaic img,
.proof-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 8px 10px;
  background: rgba(26, 26, 26, 0.68);
  color: var(--cream);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.module-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--walnut);
  font-family: var(--serif);
}

.builder {
  background: var(--walnut-dark);
  color: var(--cream);
}

.builder p {
  color: rgba(246, 243, 238, 0.78);
}

.planner {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(246, 243, 238, 0.22);
  background: rgba(246, 243, 238, 0.06);
}

.planner label {
  display: grid;
  gap: 8px;
  color: rgba(246, 243, 238, 0.72);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(246, 243, 238, 0.32);
  border-radius: 0;
  background: var(--cream);
  color: var(--black);
  font: inherit;
  padding: 0 12px;
}

.planner-result {
  display: grid;
  gap: 4px;
  margin-top: 8px;
  padding: 18px;
  background: var(--cream);
  color: var(--black);
}

.planner-result strong {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
}

.installation-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: stretch;
}

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

.steps-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.steps-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--walnut);
}

.brand-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 48px;
  align-items: center;
  background: #fbf9f5;
  border-block: 1px solid var(--line);
}

.palette {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.palette span {
  display: grid;
  gap: 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.palette span::before {
  content: "";
  display: block;
  aspect-ratio: 1;
  background: var(--swatch);
  border: 1px solid var(--line);
}

.product-proof {
  padding-top: 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.proof-grid figure {
  min-height: 360px;
  overflow: hidden;
  background: var(--beige);
}

.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.journal-grid article {
  min-height: 260px;
}

.consultation {
  background: var(--black);
  color: var(--cream);
}

.consultation p {
  color: rgba(246, 243, 238, 0.76);
}

.contact-list {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.contact-list .button {
  width: min(100%, 360px);
}

.contact-list .social-button {
  border-color: rgba(246, 243, 238, 0.42);
  color: var(--cream);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 32px clamp(18px, 5vw, 76px);
  background: #0f0f0f;
  color: var(--cream);
}

.site-footer .brand-logo {
  width: min(180px, 100%);
  filter: invert(1) grayscale(1) brightness(1.55);
  mix-blend-mode: normal;
}

.site-footer p,
.footer-contacts a {
  margin: 0;
  color: rgba(246, 243, 238, 0.74);
}

.footer-contacts {
  display: grid;
  gap: 4px;
  justify-items: end;
  font-size: 13px;
}

@media (max-width: 1100px) {
  .nav-links,
  .header-cta {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .menu-button {
    display: block;
  }

  .mobile-nav.is-open {
    position: fixed;
    inset: 75px 14px auto;
    z-index: 19;
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
  }

  .mobile-nav a {
    padding: 16px;
    background: var(--cream);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
  }

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

  .feature-card {
    grid-column: span 2;
  }

  .module-grid article {
    min-height: 240px;
  }
}

@media (max-width: 760px) {
  .brand-logo {
    width: 128px;
  }

  .hero-copy {
    margin: 0 18px 148px;
  }

  .hero-strip,
  .metric-row,
  .palette {
    grid-template-columns: repeat(2, 1fr);
  }

  .intro-grid,
  .split-band,
  .detail-section,
  .builder,
  .installation-grid,
  .brand-band,
  .consultation,
  .journal-grid,
  .system-grid,
  .module-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    grid-column: auto;
  }

  .image-mosaic {
    grid-template-columns: 1fr;
    grid-auto-rows: 280px;
  }

  .image-mosaic .wide,
  .image-mosaic .tall {
    grid-column: auto;
    grid-row: auto;
  }

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

  .footer-contacts {
    justify-items: start;
  }
}