@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 100; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-100-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Big Shoulders Inline Text'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/big-shoulders-inline-text-latin-900-normal.woff2") format("woff2"); }
@font-face { font-family: 'Rajdhani'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/rajdhani-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Rajdhani'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/rajdhani-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Rajdhani'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/rajdhani-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Rajdhani'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/rajdhani-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Rajdhani'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/rajdhani-latin-700-normal.woff2") format("woff2"); }
:root {
  --bg-light-base: #e9ece6;
  --fg-light-base-body: #1c2022;
  --fg-light-base-heading: #1c2022;
  --fg-light-base-muted: #4f565b;
  --fg-light-base-link: #3f6b00;
  --fg-light-base-inverse: #1c2022;
  --bg-light-card: #f6f7f3;
  --fg-light-card-body: #1c2022;
  --fg-light-card-heading: #1c2022;
  --fg-light-card-muted: #4f565b;
  --fg-light-card-link: #3f6b00;
  --fg-light-card-inverse: #1c2022;
  --bg-light-elevated: #dde1da;
  --fg-light-elevated-body: #1c2022;
  --fg-light-elevated-heading: #1c2022;
  --fg-light-elevated-muted: #4f565b;
  --fg-light-elevated-link: #3f6b00;
  --fg-light-elevated-inverse: #1c2022;
  --brand-light-accent: #3f6b00;
  --brand-light-accent-hover: #2f5200;
  --brand-light-on-accent: #ffffff;
  --focus-light-ring: #3f6b00;
  --border-light-default: #6b7378;
  --border-light-subtle: #c4cac0;
}
.bg-surface-base { background: var(--bg-light-base); --fg-body: var(--fg-light-base-body); --fg-heading: var(--fg-light-base-heading); --fg-muted: var(--fg-light-base-muted); --fg-link: var(--fg-light-base-link); --fg-inverse: var(--fg-light-base-inverse); }
.bg-surface-card { background: var(--bg-light-card); --fg-body: var(--fg-light-card-body); --fg-heading: var(--fg-light-card-heading); --fg-muted: var(--fg-light-card-muted); --fg-link: var(--fg-light-card-link); --fg-inverse: var(--fg-light-card-inverse); }
.bg-surface-elevated { background: var(--bg-light-elevated); --fg-body: var(--fg-light-elevated-body); --fg-heading: var(--fg-light-elevated-heading); --fg-muted: var(--fg-light-elevated-muted); --fg-link: var(--fg-light-elevated-link); --fg-inverse: var(--fg-light-elevated-inverse); }
.text-role-body { color: var(--fg-body); overflow-wrap: anywhere; }
.text-role-heading { color: var(--fg-heading); overflow-wrap: anywhere; }
.text-role-muted { color: var(--fg-muted); }
.text-role-link { color: var(--fg-link); }
.text-role-inverse { color: var(--fg-inverse); }
.text-role-link { text-decoration: underline; }
.text-role-link:hover { color: var(--brand-light-accent-hover); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--focus-light-ring); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
.site-logo { max-width: 100%; height: auto; }
.site-menu > summary { list-style: none; cursor: pointer; }
.site-menu > summary::-webkit-details-marker { display: none; }
:where(section[data-section][style]) { background-size: cover; background-position: center; padding: clamp(1.5rem, 4vw, 3rem); }
:where(section[data-section][style] > .bg-surface-card) { padding: clamp(1rem, 3vw, 2rem); }
:where(section[data-section][style] > .bg-surface-card > :first-child) { margin-top: 0; }
:where(section[data-section][style] > .bg-surface-card > :last-child) { margin-bottom: 0; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { position: static; padding: 0.25rem 0.5rem; outline: 2px solid var(--focus-light-ring); }

/* Ponte Vedra Laser Skin Journal: light-lab instrument panel */

:root {
  --font-head: 'Big Shoulders Inline Text', 'Arial Narrow', sans-serif;
  --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
  --signal: #9ee33a;
  --graphite: #23272a;
  --graphite-line: #4a5156;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --step: 0rem;
  --measure: 40rem;
  --rule: 1px solid var(--border-light-default);
  --rule-soft: 1px solid var(--border-light-subtle);
  --accent: var(--brand-light-accent);
  --ticks-dark: repeating-linear-gradient(90deg, var(--graphite-line) 0 1px, transparent 1px 12px);
  --ticks-light: repeating-linear-gradient(90deg, var(--border-light-default) 0 1px, transparent 1px 10px);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.6;
  font-kerning: normal;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

p, li { text-wrap: pretty; }
strong, b { font-weight: 700; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Header: instrument bar over a graphite tick strip ---------- */

.site-header { position: relative; z-index: 20; }

.panel-row {
  position: relative;
  max-width: 78rem;
  margin: 0 auto;
  padding: 0.75rem var(--gutter);
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.tick-strip {
  height: 0.6rem;
  background:
    linear-gradient(90deg, var(--signal) 0 3.5rem, transparent 3.5rem),
    var(--ticks-dark);
  background-size: 100% 3px, 100% 100%;
  background-repeat: no-repeat, repeat;
  background-position: left bottom, left top;
  background-color: var(--graphite);
}

.brand { display: inline-flex; align-items: center; text-decoration: none; flex: 0 1 auto; min-width: 0; }
.brand .site-logo { display: block; width: clamp(8.5rem, 38vw, 15.5rem); max-width: 100%; height: auto; }

.site-nav { display: none; }
.site-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 0.25rem 1.75rem; }
.site-nav a,
.site-nav-group > summary {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 3px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--accent); }

.site-nav-group { position: relative; }
.site-nav-group > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  list-style: none;
  color: var(--fg-link);
}
.site-nav-group > summary::-webkit-details-marker { display: none; }
.site-nav-group > summary::after {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translateY(-0.15rem) rotate(45deg);
}
.site-nav-group[open] > summary { border-bottom-color: var(--accent); }
.site-nav-group > ul {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: -1rem;
  min-width: 17rem;
  margin: 0;
  padding: 0.4rem 1rem;
  list-style: none;
  background: var(--bg-light-elevated);
  border: var(--rule);
  border-top: 4px solid var(--graphite);
}
.site-nav-group li { border-bottom: var(--rule-soft); }
.site-nav-group li:last-child { border-bottom: 0; }
.site-nav-group li a { display: block; padding: 0.6rem 0; border-bottom: 0; font-size: 1.05rem; }

.site-menu { position: static; flex-shrink: 0; }
.site-menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.9rem;
  border: var(--rule);
  border-left: 4px solid var(--graphite);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
}
.menu-icon {
  position: relative;
  display: inline-block;
  width: 1.1rem;
  height: 0.8rem;
  background: repeating-linear-gradient(90deg, currentColor 0 2px, transparent 2px 4.5px);
}
.site-menu[open] .menu-icon { background: repeating-linear-gradient(90deg, var(--accent) 0 2px, transparent 2px 4.5px); }
.site-menu > ul {
  position: absolute;
  top: 100%;
  left: var(--gutter);
  right: var(--gutter);
  margin: 0;
  padding: 0.5rem 1.25rem;
  list-style: none;
  background: var(--bg-light-elevated);
  border: var(--rule);
  border-top: 4px solid var(--graphite);
}
.site-menu li { border-bottom: var(--rule-soft); }
.site-menu li:last-child { border-bottom: 0; }
.site-menu ul ul { list-style: none; padding-left: 1rem; }
.site-menu a {
  display: block;
  padding: 0.75rem 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

@media (max-width: 30rem) {
  .panel-row { gap: 0.75rem; }
  .site-menu > summary { padding: 0.35rem 0.6rem; font-size: 0.95rem; gap: 0.45rem; }
}

@media (min-width: 62rem) {
  .site-nav { display: block; }
  .site-menu { display: none; }
}

/* ---------- Page shell ---------- */

.page-shell {
  max-width: 78rem;
  margin: 0 auto;
  padding: 1.5rem var(--gutter) 4.5rem;
}

.breadcrumbs { margin-bottom: 1.75rem; font-size: 1rem; }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.15rem 0.6rem; }
.breadcrumbs li + li::before { content: "/"; margin-right: 0.6rem; color: var(--border-light-default); }

.page-title h1 {
  margin: 0;
  font-size: clamp(2.5rem, 1.6rem + 3.6vw, 4.4rem);
  line-height: 0.98;
  max-width: 18ch;
}

/* Wavelength scale: a sine trace over a tick ruler, drawn in CSS only */
.wave-scale {
  height: 2.25rem;
  margin-top: 1.5rem;
  background:
    radial-gradient(circle at 50% 100%, transparent 0.62rem, var(--signal) 0.62rem 0.8rem, transparent 0.8rem) 0 0 / 2rem 1rem repeat-x,
    radial-gradient(circle at 50% 0%, transparent 0.62rem, var(--signal) 0.62rem 0.8rem, transparent 0.8rem) 1rem 1rem / 2rem 1rem repeat-x,
    var(--ticks-dark) left bottom / 100% 0.35rem no-repeat;
  background-color: var(--graphite);
  border-left: 0.5rem solid var(--graphite);
  max-width: 24rem;
}

/* ---------- Prose ---------- */

.prose > * { max-width: var(--measure); }
.prose p { margin: 0 0 1.1rem; }
.prose h2 { font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.2rem); margin: 3rem 0 0.9rem; }
.prose h3 { font-size: 1.45rem; margin: 2rem 0 0.6rem; }
.prose > :first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.3rem; margin: 0 0 1.25rem; }
.prose li { margin-bottom: 0.5rem; }
.prose li::marker { color: var(--accent); font-weight: 700; }
.prose a { text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose blockquote {
  margin: 2rem 0;
  padding: 0.5rem 0 0.5rem 1.25rem;
  border-left: 4px solid var(--accent);
  font-size: 1.3rem;
  line-height: 1.4;
}
.prose blockquote p { margin: 0; }
.prose .table-scroll { overflow-x: auto; margin: 0 0 1.5rem; }
.prose table { border-collapse: collapse; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.prose th, .prose td { padding: 0.5rem 0.8rem; border-bottom: var(--rule); text-align: left; vertical-align: top; }
.prose th { font-family: var(--font-head); font-weight: 700; }

/* Scale ticks: each h2 is marked by a chartreuse tick on a short ruler */
.prose-ticked h2 { position: relative; padding-top: 1.1rem; }
.prose-ticked h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(100%, 14rem);
  height: 0.55rem;
  background:
    linear-gradient(90deg, var(--accent) 0 2.5rem, transparent 2.5rem) left bottom / 100% 3px no-repeat,
    var(--ticks-light);
}

.photo-hero, .photo-inline { margin: 0 0 2rem; max-width: var(--measure); }
.photo-hero img, .photo-inline img { display: block; width: 100%; border: var(--rule); }
.photo-inline { margin: 2rem 0; }

section[data-section][style] {
  max-width: none;
  margin: 2.5rem 0;
  padding: clamp(3rem, 10vw, 7rem) clamp(1rem, 4vw, 2.5rem) clamp(1.25rem, 3vw, 2rem);
  background-size: cover;
  background-position: center;
  border: var(--rule);
}
section[data-section][style] > .bg-surface-card {
  max-width: 34rem;
  padding: 1.25rem 1.5rem;
  border-top: 4px solid var(--accent);
}
section[data-section][style] h2 { margin-top: 0; }

/* ---------- Home: stepped bands ---------- */

.step-cover {
  margin: 0 calc(-1 * var(--gutter)) 0;
  padding: clamp(2rem, 5vw, 3.5rem) var(--gutter) clamp(1.5rem, 4vw, 2.5rem);
  border-left: 0.6rem solid var(--graphite);
}
.cover-grid { display: grid; gap: 1.75rem; }
.cover-lines .display-line {
  margin: 0;
  padding: 0.85rem 0 0.85rem 1.25rem;
  font-size: 1.2rem;
  line-height: 1.45;
  border-left: 3px solid var(--border-light-default);
}
.cover-lines .display-line + .display-line { border-top: var(--rule-soft); }
.cover-lines .display-line:first-child { border-left-color: var(--accent); }

.step-body {
  padding-top: 2.5rem;
}

.home-body { counter-reset: band; }
.home-body h2 { counter-increment: band; }

@media (min-width: 62rem) {
  :root { --step: 5.5rem; }
  .step-cover { margin: 0; padding-left: 2.5rem; padding-right: 2.5rem; }
  .cover-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3.5rem; align-items: end; }
  .step-body {
    margin-left: var(--step);
    padding: 3rem 0 0 var(--step);
    border-left: 1px solid var(--border-light-default);
    position: relative;
  }
  .step-body::before {
    content: "";
    position: absolute;
    top: 0;
    left: -1px;
    width: var(--step);
    height: 3px;
    background: var(--accent);
  }
  /* Each band walks one step further down the ruler */
  .home-body h2:nth-of-type(2) { margin-left: 1.5rem; }
  .home-body h2:nth-of-type(3) { margin-left: 3rem; }
  .home-body h2::after {
    content: "";
    position: absolute;
    top: 0;
    left: calc(-1 * var(--step) - 1px);
    width: calc(var(--step) - 1rem);
    height: 3px;
    background: var(--accent);
  }
  .home-body h2:nth-of-type(2)::after { left: calc(-1 * var(--step) - 1.5rem - 1px); width: calc(var(--step) + 0.5rem); }
  .home-body h2:nth-of-type(3)::after { left: calc(-1 * var(--step) - 3rem - 1px); width: calc(var(--step) + 2rem); }
}

/* ---------- Article: one column with depth and wave diagrams ---------- */

.reading { max-width: var(--measure); }
.reading-head { margin-bottom: 2.25rem; padding-bottom: 1.25rem; border-bottom: var(--rule); }
.depth-gauge {
  margin-top: 1.25rem;
  height: 0.7rem;
  max-width: 18rem;
  background:
    linear-gradient(90deg, var(--accent) 0 35%, transparent 35%) left bottom / 100% 3px no-repeat,
    var(--ticks-light);
}

.prose-diagrams { counter-reset: point; }
.prose-diagrams h2 { counter-increment: point; position: relative; padding-top: 3.4rem; }
/* A wavelength trace and a depth ruler interrupt the text at each technical point */
.prose-diagrams h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2.2rem;
  background:
    radial-gradient(circle at 50% 100%, transparent 0.5rem, var(--accent) 0.5rem 0.64rem, transparent 0.64rem) 0 0 / 1.6rem 0.8rem repeat-x,
    radial-gradient(circle at 50% 0%, transparent 0.5rem, var(--accent) 0.5rem 0.64rem, transparent 0.64rem) 0.8rem 0.8rem / 1.6rem 0.8rem repeat-x,
    var(--ticks-light) left bottom / 100% 0.45rem no-repeat;
  border-bottom: var(--rule-soft);
}
.prose-diagrams h2:nth-of-type(even)::before {
  background:
    linear-gradient(180deg, transparent 0 30%, var(--border-light-subtle) 30% 31%, transparent 31% 62%, var(--border-light-subtle) 62% 63%, transparent 63%),
    linear-gradient(90deg, var(--accent) 0 3px, transparent 3px) calc(var(--depth, 40%)) 0 / 100% 100% no-repeat,
    var(--ticks-light) left bottom / 100% 0.45rem no-repeat;
}
.prose-diagrams h2:nth-of-type(2)::before { --depth: 22%; }
.prose-diagrams h2:nth-of-type(4)::before { --depth: 58%; }
.prose-diagrams h2:nth-of-type(6)::before { --depth: 76%; }

/* ---------- About: split methods panel and spec sheet ---------- */

.split-panels { display: grid; gap: 0; border: 1px solid var(--border-light-default); }
.split-left { padding: clamp(1.5rem, 4vw, 2.75rem); border-bottom: 0.6rem solid var(--graphite); }
.split-left .page-title h1 { font-size: clamp(2.3rem, 1.6rem + 2.6vw, 3.6rem); }

.spec-sheet {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding: clamp(1.25rem, 3vw, 2.5rem);
}
.spec-sheet > * { margin: 0 0 1rem; max-width: var(--measure); }
.spec-sheet > p:first-child { font-size: 1.3rem; line-height: 1.45; margin-bottom: 2rem; }
.spec-sheet h2 {
  margin: 1.25rem 0 0.6rem;
  padding-top: 0.75rem;
  border-top: 3px solid var(--accent);
  font-size: 1.45rem;
}
.spec-sheet .table-scroll { overflow-x: auto; }
.spec-sheet table { border-collapse: collapse; }
.spec-sheet th, .spec-sheet td { padding: 0.5rem 0.75rem; border-bottom: var(--rule); text-align: left; }
.spec-sheet figure { grid-column: 1 / -1; }

@media (min-width: 52rem) {
  .spec-sheet { grid-template-columns: 12rem minmax(0, 1fr); column-gap: 2rem; }
  .spec-sheet > * { grid-column: 2; }
  .spec-sheet > p:first-child { grid-column: 1 / -1; }
  .spec-sheet h2 { grid-column: 1; margin-top: 0; font-size: 1.3rem; }
  .spec-sheet h2 + * { padding-top: 0.75rem; border-top: var(--rule); }
  .spec-sheet h2 ~ * { grid-column: 2; }
  .spec-sheet h2 ~ h2 { grid-column: 1; }
}

@media (min-width: 66rem) {
  .split-panels { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); }
  .split-left { border-bottom: 0; border-right: 0.6rem solid var(--graphite); }
  .spec-sheet { grid-template-columns: minmax(0, 1fr); }
  .spec-sheet > *, .spec-sheet > p:first-child, .spec-sheet h2, .spec-sheet h2 ~ *, .spec-sheet h2 ~ h2 { grid-column: 1; }
}

/* ---------- Topic hub: body beside a gauge-headed index ---------- */

.hub-head { margin-bottom: 2rem; }
.hub-columns { display: grid; gap: 2.5rem; }
.hub-index {
  align-self: start;
  padding: 1.25rem 1.4rem 1.5rem;
  border: var(--rule);
  border-top: 4px solid var(--accent);
}
.index-head { display: flex; align-items: center; gap: 0.85rem; margin-bottom: 1rem; }
.gauge { flex-shrink: 0; width: 3rem; height: 2rem; color: var(--accent); }
.index-label { margin: 0; font-size: 1.5rem; }
.index-list ul { counter-reset: read; list-style: none; margin: 0; padding: 0; }
.index-list li {
  counter-increment: read;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.8rem 0;
  border-top: var(--rule-soft);
}
.index-list li::before {
  content: counter(read);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}
.index-list a { font-weight: 600; font-size: 1.15rem; line-height: 1.3; }

@media (min-width: 62rem) {
  .hub-columns { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 3.5rem; }
}

/* ---------- Contact: narrow intake sheet ---------- */

.narrow { max-width: 38rem; }
.narrow .page-title { margin-bottom: 1.75rem; }
.intake {
  margin-top: 2.5rem;
  padding: 1.5rem 1.5rem 1.75rem;
  border: var(--rule);
  border-top: 4px solid var(--accent);
  background-image: linear-gradient(90deg, var(--border-light-subtle) 0 1px, transparent 1px);
  background-size: 100% 100%;
  background-position: 7.5rem 0;
  background-repeat: no-repeat;
}
.intake-row {
  display: grid;
  gap: 0.4rem;
  padding: 0.9rem 0;
  border-bottom: var(--rule-soft);
}
.intake-row:first-child { padding-top: 0; }
.intake-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
}
.intake-input {
  display: block;
  width: 100%;
  min-height: 2.9rem;
  padding: 0.55rem 0.75rem;
  font: inherit;
  color: inherit;
  background: var(--bg-light-base);
  border: 1px solid var(--border-light-default);
  border-radius: 0;
}
.intake-area { min-height: 9rem; resize: vertical; }
.intake-input:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.button {
  display: inline-flex;
  align-items: center;
  margin-top: 1.4rem;
  min-height: 3rem;
  padding: 0.6rem 1.6rem;
  border: 0;
  border-left: 6px solid var(--signal);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  background: var(--brand-light-accent);
  color: var(--brand-light-on-accent);
}
.button:hover { background: var(--brand-light-accent-hover); }

@media (min-width: 40rem) {
  .intake-row { grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1.5rem; align-items: start; }
  .intake-label { padding-top: 0.55rem; }
}

/* ---------- Thank you: status readout beside related reads ---------- */

.thanks-columns { display: grid; gap: 2rem; }
.readout {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-left: 0.6rem solid var(--graphite);
}
.readout-body { margin-top: 1.75rem; }
.related {
  align-self: start;
  padding: 1.5rem;
  border: var(--rule);
  border-top: 4px solid var(--accent);
}
.related-label { margin: 0 0 0.75rem; font-family: var(--font-head); font-weight: 700; font-size: 1.4rem; }
.related-reads { margin: 0; padding: 0; list-style: none; counter-reset: rel; }
.related-reads li {
  counter-increment: rel;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  padding: 0.85rem 0;
  border-top: var(--rule-soft);
}
.related-reads li::before { content: counter(rel); font-family: var(--font-head); font-weight: 700; color: var(--fg-muted); }
.related-reads a { font-weight: 600; font-size: 1.15rem; line-height: 1.3; }

@media (min-width: 62rem) {
  .thanks-columns { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 3rem; }
}

/* ---------- Footer ---------- */

.footer-panel {
  max-width: 78rem;
  margin: 0 auto;
  padding: 2.25rem var(--gutter) 2.75rem;
  display: grid;
  gap: 0.5rem;
}
.footer-name { margin: 0; font-family: var(--font-head); font-weight: 700; font-size: 1.5rem; }
.footer-line { margin: 0 0 0.85rem; max-width: 40rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem; }
.footer-links a { font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}