:root {
  --ink: #f3f4f5;
  --paper: #0c0c0c;
  --black: #000000;
  --slate: #c5ced6;
  --slate-soft: #9aa6b2;
  --line: #2a2e33;
  --wash: #161616;
  --header: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 400;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  transform: translateY(-150%);
  background: #141414;
  color: var(--ink);
  padding: 0.4rem 0.7rem;
  z-index: 20;
}

.skip:focus {
  transform: none;
}

.wrap {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--black);
  color: #f3f4f5;
  min-height: var(--header);
}

.bar {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
  min-height: var(--header);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding: 0.85rem 0;
}

.brand {
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.35rem;
  margin-left: auto;
}

.site-nav a,
.header-phone {
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: #d5dbe2;
}

.site-nav a:hover,
.header-phone:hover {
  color: #fff;
}

.header-phone {
  font-variant-numeric: tabular-nums;
}

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

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(12rem, 0.7fr);
  gap: 3rem 4rem;
  align-items: end;
  padding: 4.75rem 0 3.75rem;
}

.kicker {
  margin: 0 0 1rem;
  color: var(--slate);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
.footer-name,
.sheet-no {
  font-family: "Source Serif 4", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-weight: 500;
}

h1 {
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 12ch;
}

.lead {
  margin: 1.5rem 0 0;
  max-width: 38rem;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--slate);
}

.byline {
  margin: 1.75rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  max-width: 22rem;
  color: var(--ink);
  font-size: 1rem;
}

.datum {
  position: relative;
  width: min(100%, 280px);
  justify-self: end;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  margin-bottom: 0.25rem;
}

.datum span {
  position: absolute;
  background: var(--slate);
}

.datum-v,
.datum-h {
  opacity: 0.55;
}

.datum-v {
  top: 0;
  bottom: 0;
  width: 1px;
}

.datum-v1 { left: 22%; }
.datum-v2 { left: 68%; }

.datum-h {
  left: 0;
  right: 0;
  height: 1px;
}

.datum-h1 { top: 28%; }
.datum-h2 { top: 62%; }

.datum-mark {
  width: 7px;
  height: 7px;
  left: 68%;
  top: 62%;
  transform: translate(-50%, -50%);
  background: var(--black);
  opacity: 1;
}

.sheet {
  padding: 4.25rem 0;
  border-bottom: 1px solid var(--line);
}

.sheet-head {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 1.75rem;
}

.sheet-no {
  margin: 0;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.sheet-lead {
  margin: 0.4rem 0 0;
  color: var(--slate-soft);
}

.product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 17.5rem;
  border: 1px solid #c5ced6;
  background: #141414;
}

.product-copy {
  padding: 2rem 2.15rem 1.75rem;
}

.product-kicker {
  margin: 0 0 0.7rem;
  color: var(--slate);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h3 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.product-for {
  margin: 0.85rem 0 0;
  font-size: 1.12rem;
  color: var(--ink);
}

.product-copy p {
  max-width: 65ch;
}

.product-copy > p {
  margin: 1rem 0 0;
}

.install {
  margin-top: 1.6rem;
  padding: 1rem 1.1rem 1.05rem;
  background: var(--wash);
  border-left: 2px solid var(--slate);
}

.install h4 {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.install p {
  margin: 0;
  color: var(--ink);
  font-size: 0.98rem;
}

.file {
  font-family: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 600;
}

.product-aside {
  border-left: 1px solid var(--line);
  background: var(--wash);
  padding: 2rem 1.5rem;
}

.product-buy {
  position: sticky;
  top: calc(var(--header) + 1.25rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.price {
  margin: 0;
  font-size: 1.05rem;
  color: var(--slate);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  background: var(--black);
  color: #fff;
  border: 1px solid var(--black);
  padding: 0.9rem 1rem;
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.cta:hover {
  background: var(--slate);
  border-color: var(--slate);
}

.soon {
  margin-left: 5.5rem;
  padding: 1.75rem 0 0.25rem;
  border-top: 1px solid var(--line);
  max-width: 40rem;
}

.soon-status {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.soon p:last-child {
  margin: 0;
  color: var(--slate-soft);
}

.site-footer {
  background: var(--black);
  color: #e6e8eb;
  padding: 3.25rem 0 2.75rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem 3rem;
}

.footer-name {
  margin: 0 0 0.75rem;
  font-size: 1.55rem;
  color: #fff;
}

.site-footer p {
  margin: 0.15rem 0;
}

.site-footer a {
  color: #fff;
  text-underline-offset: 0.18em;
}

.tagline {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #a8b1bb;
}

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 3.25rem;
  }

  .datum {
    width: min(100%, 220px);
    justify-self: start;
    aspect-ratio: 5 / 3;
  }

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

  .product-aside {
    border-left: 0;
    border-top: 1px solid var(--line);
    justify-content: flex-start;
  }

  .cta {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .wrap,
  .bar {
    width: min(1120px, calc(100% - 1.75rem));
  }

  .site-nav {
    margin-left: 0;
    order: 3;
    width: 100%;
  }

  .sheet-head {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .soon {
    margin-left: 0;
  }

  .product-copy {
    padding: 1.4rem 1.15rem 1.25rem;
  }

  h1 {
    max-width: none;
  }
}

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

.price-amount {
  display: block;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--ink);
  font-weight: 500;
}

.pay-label,
.pay-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--slate-soft);
}

.cta:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.cta-alt {
  background: transparent;
  color: var(--ink);
}

.cta-alt:hover {
  background: transparent;
  color: var(--ink);
}

.pay-note a {
  color: var(--ink);
}

.sell {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.sell li {
  position: relative;
  padding-left: 1rem;
  margin: 0.35rem 0;
}

.sell li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.4rem;
  height: 1px;
  background: var(--ink);
}

.install-line {
  margin: 1.25rem 0 0;
  color: var(--slate-soft);
  font-size: 0.95rem;
}

.family-grid {
  margin-left: 5.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  padding-top: 1.5rem;
}

.family {
  border: 1px solid var(--line);
  padding: 1.1rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.family h3 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.25;
}

.family p {
  margin: 0;
  color: var(--slate);
  font-size: 0.95rem;
}

.family-price {
  color: var(--ink) !important;
  font-size: 1.15rem !important;
  margin-top: auto !important;
  padding-top: 0.4rem;
}

.family .cta {
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
}

.family-note {
  margin: 1.25rem 0 0 5.5rem;
}

.family-group {
  margin: 2.75rem 0 0 5.5rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.65rem;
  font-weight: 500;
  line-height: 1.2;
}

@media (max-width: 720px) {
  .family-grid,
  .family-note,
  .family-group {
    margin-left: 0;
  }
}

.family-thumb {
  width: 100%;
  height: 8.5rem;
  object-fit: contain;
  background: #141414;
  border: 1px solid var(--line);
}