:root {
  color-scheme: dark;
  --deep: #0f2422;
  --deeper: #0a1917;
  --verdigris: #4d9e8a;
  --verdigris-bright: #6fc4ad;
  --bronze: #c99b5f;
  --parchment: #efe9dc;
  --parchment-dim: #b9b2a3;
  --card: #14302d;
  --line: #24443f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--deep);
  color: var(--parchment);
  font: 16px/1.65 "Segoe UI", system-ui, sans-serif;
}

a {
  color: var(--verdigris-bright);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-radius: 2px;
  outline: 2px solid var(--verdigris-bright);
  outline-offset: 3px;
}

.shell {
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: var(--deeper);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
}

.brand {
  color: var(--parchment);
  font-family: Georgia, "Iowan Old Style", serif;
  font-size: 21px;
  font-weight: 400;
  letter-spacing: .01em;
  white-space: nowrap;
}

.brand:hover {
  color: var(--parchment);
  text-decoration: none;
}

.brand b {
  color: var(--verdigris-bright);
  font-weight: 400;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 13.5px;
}

.nav-links a {
  color: var(--parchment-dim);
  letter-spacing: .04em;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--parchment);
  text-decoration: none;
}

.nav-links a[aria-current="page"] {
  font-weight: 600;
}

main {
  padding-bottom: 56px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 48px;
  align-items: center;
  overflow: hidden;
  padding: 88px 0 72px;
}

.hero::before {
  position: absolute;
  top: -170px;
  right: -170px;
  width: 520px;
  height: 520px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 60px rgb(77 158 138 / 5%),
    inset 0 0 0 130px rgb(77 158 138 / 4%),
    inset 0 0 0 210px rgb(77 158 138 / 3%);
  content: "";
  pointer-events: none;
}

.hero > * {
  position: relative;
  z-index: 1;
}

h1,
h2 {
  font-family: Georgia, "Iowan Old Style", serif;
  font-weight: 400;
}

h1 {
  max-width: 18ch;
  margin: 0 0 24px;
  font-size: clamp(42px, 6.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -.01em;
  text-wrap: balance;
}

h2 {
  max-width: 28ch;
  margin: 0 0 14px;
  font-size: clamp(28px, 3.2vw, 34px);
  line-height: 1.16;
  letter-spacing: -.005em;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
}

p {
  margin: 0 0 16px;
}

.lede {
  max-width: 60ch;
  color: var(--parchment-dim);
  font-size: 18px;
}

.eyebrow,
.tutorial-number,
.card .label,
.meta,
.visual-title {
  color: var(--bronze);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 22px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--verdigris);
  border-radius: 3px;
  padding: 10px 24px;
  background: var(--verdigris);
  color: var(--deeper);
  font-size: 15px;
  font-weight: 600;
}

.button:hover {
  border-color: var(--verdigris-bright);
  background: var(--verdigris-bright);
  color: var(--deeper);
  text-decoration: none;
}

.button.secondary,
.button.ghost {
  border-color: var(--verdigris);
  background: transparent;
  color: var(--parchment);
}

.button.secondary:hover,
.button.ghost:hover {
  border-color: var(--verdigris);
  background: transparent;
  color: var(--verdigris-bright);
}

.visual,
.card,
.product-shot,
.tutorial-shot {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
}

.visual {
  padding: 22px;
}

.visual-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.product-shot {
  min-width: 0;
  margin: 0;
  padding: 18px;
}

.product-shot img,
.tutorial-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--card);
}

.product-shot figcaption,
.tutorial-shot figcaption {
  margin-top: 12px;
  color: var(--parchment-dim);
  font-size: 14px;
}

.hero-shot img {
  aspect-ratio: 8 / 5;
  object-fit: cover;
  object-position: left top;
}

.mock-table {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.mock-row {
  display: grid;
  grid-template-columns: 1fr 1.25fr .75fr;
  gap: 1px;
  background: var(--line);
}

.mock-cell {
  min-width: 0;
  min-height: 36px;
  overflow: hidden;
  padding: 8px 10px;
  background: var(--card);
  color: var(--parchment-dim);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-head {
  background: var(--deeper);
  color: var(--parchment-dim);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

section.band {
  border-top: 1px solid var(--line);
  padding: 72px 0;
}

.band > .shell > p:not(.eyebrow) {
  max-width: 60ch;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

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

.card {
  padding: 22px;
}

.card p:last-child,
.callout p:last-child {
  margin-bottom: 0;
}

.card.soft {
  background: color-mix(in srgb, var(--card) 82%, var(--deeper));
}

.card.blue,
.card.green,
.card.orange {
  border-left-width: 4px;
  background: var(--card);
}

.card.blue,
.card.green {
  border-left-color: var(--verdigris);
  background: color-mix(in srgb, var(--card) 88%, var(--verdigris));
}

.card.orange {
  border-left-color: var(--bronze);
  background: color-mix(in srgb, var(--card) 90%, var(--bronze));
}

.card .label {
  margin-bottom: 10px;
}

.tenets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 40px;
}

.tenet {
  border-top: 2px solid var(--bronze);
  padding-top: 16px;
}

.tenet h3 {
  font-family: Georgia, "Iowan Old Style", serif;
  font-size: 19px;
  font-weight: 400;
}

.tenet p {
  color: var(--parchment-dim);
  font-size: 14.5px;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 20px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
  margin: 0;
}

.steps li::before {
  counter-increment: step;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 2px solid var(--bronze);
  border-radius: 50%;
  background: var(--card);
  color: var(--bronze);
  content: counter(step);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
  font-weight: 600;
}

.steps h3 {
  margin-bottom: 4px;
}

.steps p {
  margin-bottom: 0;
  color: var(--parchment-dim);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr);
  gap: 32px;
  align-items: start;
}

.toc {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 24px 0 42px;
  background: var(--line);
}

.toc a {
  border: 1px solid var(--verdigris);
  padding: 15px 18px;
  background: var(--card);
  color: var(--parchment);
  font-weight: 600;
}

.toc a:hover {
  background: color-mix(in srgb, var(--card) 88%, var(--verdigris));
  color: var(--verdigris-bright);
  text-decoration: none;
}

.guide {
  border-top: 1px solid var(--line);
  padding: 42px 0;
  scroll-margin-top: 20px;
}

.guide:first-of-type {
  border-top: 0;
}

.guide > p,
.guide > ul,
.guide > ol {
  max-width: 78ch;
}

.guide p:not(.lede):not(.meta) {
  color: var(--parchment);
}

ol,
ul {
  margin: 0 0 16px;
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

code {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 6px;
  background: var(--card);
  color: var(--parchment);
  font-family: ui-monospace, Consolas, monospace;
  font-size: .92em;
}

pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 16px;
  background: var(--card);
}

pre code {
  border: 0;
  padding: 0;
  background: transparent;
}

.callout {
  border: 1px solid var(--line);
  border-left: 4px solid var(--verdigris);
  border-radius: 0 5px 5px 0;
  padding: 16px 18px;
  background: color-mix(in srgb, var(--card) 88%, var(--verdigris));
  color: var(--parchment);
}

.callout.blue,
.callout.green {
  border-left-color: var(--verdigris);
  background: color-mix(in srgb, var(--card) 88%, var(--verdigris));
  color: var(--parchment);
}

.callout.orange {
  border-left-color: var(--bronze);
  background: color-mix(in srgb, var(--card) 90%, var(--bronze));
  color: var(--parchment);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 13px 12px;
  text-align: left;
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: 0;
}

th {
  background: var(--deeper);
  color: var(--parchment-dim);
  font-family: ui-monospace, Consolas, monospace;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.meta {
  color: var(--bronze);
  letter-spacing: .12em;
}

.faq {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

.faq h3 {
  margin-bottom: 5px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 54px;
  background: var(--deeper);
  color: var(--parchment-dim);
  font-size: 13px;
}

footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 10px;
}

.referral-banner {
  display: none;
  margin: 22px 0 0;
}

.referral-banner.is-visible {
  display: block;
}

.tutorial-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 84px;
}

.tutorial-hero::before {
  position: absolute;
  top: -120px;
  right: -140px;
  width: 520px;
  height: 520px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 60px rgb(77 158 138 / 5%),
    inset 0 0 0 130px rgb(77 158 138 / 4%),
    inset 0 0 0 210px rgb(77 158 138 / 3%);
  content: "";
  pointer-events: none;
}

.tutorial-hero-media,
.tutorial-hero-overlay {
  display: none;
}

.tutorial-hero-content {
  position: relative;
  z-index: 1;
}

.tutorial-hero-content .lede {
  max-width: 56ch;
  color: var(--parchment-dim);
  font-size: 18.5px;
}

.tutorial-jump {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-top: 24px;
  margin-bottom: 24px;
  background: var(--line);
}

.tutorial-jump a {
  border: 1px solid var(--verdigris);
  padding: 13px 10px;
  background: var(--card);
  color: var(--parchment);
  text-align: center;
  font-size: 13px;
  font-weight: 600;
}

.tutorial-jump a:hover {
  background: color-mix(in srgb, var(--card) 88%, var(--verdigris));
  color: var(--verdigris-bright);
  text-decoration: none;
}

.tutorial-step {
  border-top: 1px solid var(--line);
  padding: 58px 0;
  scroll-margin-top: 20px;
}

.tutorial-step:first-of-type {
  border-top: 0;
}

.tutorial-alt {
  background: var(--deeper);
}

.tutorial-column {
  max-width: 900px;
}

.tutorial-number {
  margin-bottom: 12px;
}

.tutorial-column > p:not(.tutorial-number),
.tutorial-column > ul,
.tutorial-column > ol {
  max-width: 76ch;
}

.tutorial-shot {
  margin: 30px 0 32px;
  padding: 20px;
}

.tutorial-finish {
  border-top: 2px solid var(--bronze);
  padding-top: 26px;
}

@media (max-width: 780px) {
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(4, max-content);
    width: 100%;
    max-width: 100%;
    gap: 10px 12px;
  }

  .hero,
  .split,
  .grid,
  .grid.two,
  .product-gallery,
  .tenets {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    padding-top: 64px;
    padding-bottom: 54px;
  }

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

  .tutorial-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tutorial-step {
    padding: 44px 0;
  }

  .product-shot,
  .tutorial-shot {
    padding: 12px;
  }
}

@media (max-width: 520px) {
  .nav-links {
    grid-template-columns: repeat(2, minmax(0, max-content));
  }

  h1 {
    font-size: 40px;
  }
}

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

/* Contact form ---------------------------------------------------------- */

.contact-form {
  display: grid;
  gap: 18px;
  /* A full-width input across a 1060px shell reads as a broken layout, not a
     form. Cap it near the reading measure used elsewhere on the site. */
  max-width: 620px;
}

.field {
  display: grid;
  gap: 6px;
}

.field > label {
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--parchment-dim);
}

.field input,
.field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--deeper);
  color: var(--parchment);
  font: inherit;
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--parchment-dim);
  opacity: 0.7;
}

.field .hint {
  font-size: 13px;
  color: var(--parchment-dim);
}

/* The honeypot must be reachable by a bot parsing the DOM but never by a
   person — so it is taken out of flow and out of the tab order rather than
   display:none, which some bots specifically skip. */
.contact-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  border: 1px solid var(--line);
  border-left: 3px solid var(--verdigris);
  border-radius: 3px;
  padding: 12px 14px;
  background: var(--card);
}

.form-status[data-tone='error'] {
  border-left-color: var(--bronze);
}

.form-status:empty {
  display: none;
}

/* Download opt-in ------------------------------------------------------- */

/* Revealed only after a download has already begun, so it reads as a follow-up
   rather than a gate. Bordered and inset to make that sequence obvious: this is
   not something standing between the visitor and the file. */
.optin {
  display: grid;
  gap: 14px;
  max-width: 480px;
  margin: 20px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--verdigris);
  border-radius: 3px;
  background: var(--card);
}

/* `hidden` alone loses to `display: grid` — the attribute would be ignored and
   the form would ship visible on first paint. */
.optin[hidden] {
  display: none;
}