/* ==========================================================================
   B&B Rivets — HVAC / Ductwork / Sheet Metal site
   Single stylesheet. No external requests. No build step.

   Design direction: "spec sheet". Asymmetric label/content grid, monospace
   section indices, hairline rules, galvanized-steel palette, blueprint blue.
   Deliberately NOT card-grid / gradient styling.
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */

:root {
  --ink:        #0e1418;   /* near-black slate — dark bands, body text */
  --ink-2:      #18222a;   /* raised dark surface */
  --ink-3:      #22303a;   /* dark borders */
  --steel:      #3f4d58;   /* secondary text on light */
  --steel-mid:  #5d6d79;   /* muted text — kept above 4.5:1 on paper */
  --steel-pale: #9fb0ba;   /* muted text on dark */
  --rule:       #cfd6da;   /* hairlines on light */
  --rule-soft:  #e3e8ea;
  --paper:      #f3f4f3;   /* page background */
  --paper-2:    #ffffff;   /* raised light surface */
  --paper-3:    #e9ecec;   /* inset light surface */

  --accent:      #0f4c75;  /* blueprint blue */
  --accent-hi:   #14618f;
  --accent-pale: #e6eef4;
  --accent-ink:  #0b3a5a;

  --zinc:       #7a8a94;   /* galvanized accent line */
  --flag:       #a8541b;   /* rust — used sparingly, never decoratively */

  --grade-a: #1a5f45;
  --grade-b: #7a5600;
  --grade-c: #5c4630;
  --grade-d: #4a5560;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1140px;
  --gut: 24px;
}

/* --- 2. Reset / base ---------------------------------------------------- */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  margin: 0 0 .55em;
  line-height: 1.14;
  letter-spacing: -0.018em;
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 1.35rem + 2.6vw, 3.15rem); letter-spacing: -0.028em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.1rem); }
h3 { font-size: 1.16rem; letter-spacing: -0.01em; }
h4 { font-size: 1rem; }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-hi); }

ul, ol { margin: 0 0 1.05em; padding-left: 1.15em; }
li { margin-bottom: .38em; }
li:last-child { margin-bottom: 0; }

strong { font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

/* Two-tone focus ring: the dark outline reads on light backgrounds, the amber
   halo reads on the dark bands. One rule works everywhere. */
:focus-visible {
  outline: 3px solid #0b3a5a;
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(255, 183, 3, .92);
  border-radius: 1px;
}

::selection { background: var(--accent); color: #fff; }

/* --- 3. Layout ---------------------------------------------------------- */

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.wrap--narrow { max-width: 800px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: #ffb703; color: #000; padding: 12px 18px; font-weight: 700;
}
.skip:focus { left: 0; }

/* Dark and light section bands */
.band { padding: clamp(48px, 6vw, 84px) 0; }
.band--tight { padding: clamp(34px, 4vw, 52px) 0; }
.band--dark { background: var(--ink); color: #e8eef1; }
.band--dark h1, .band--dark h2, .band--dark h3 { color: #fff; }
.band--dark a { color: #8fc4e8; }
.band--dark a:hover { color: #b6dcf5; }
.band--paper2 { background: var(--paper-2); }
.band--inset { background: var(--paper-3); }
.band + .band--paper2, .band--paper2 + .band { border-top: 1px solid var(--rule); }

/* The signature grid: mono label rail on the left, content on the right. */
.rail {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 0 46px;
  align-items: start;
}
.rail__label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--steel-mid);
  padding-top: .55em;
  border-top: 2px solid var(--ink);
}
.band--dark .rail__label { color: var(--steel-pale); border-top-color: var(--zinc); }
.rail__label span { display: block; color: var(--ink); font-weight: 700; margin-top: .35em; letter-spacing: .06em; }
.band--dark .rail__label span { color: #fff; }
.rail__body { min-width: 0; }

@media (max-width: 860px) {
  .rail { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .rail__label { padding-top: .4em; }
  .rail__label span { display: inline; margin-left: .6em; }
}

/* --- 4. Header / nav ---------------------------------------------------- */

.utilbar {
  background: #060a0d;
  color: var(--steel-pale);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.utilbar .wrap {
  display: flex; flex-wrap: wrap; gap: 6px 22px;
  align-items: center; justify-content: space-between;
  min-height: 34px; padding-top: 6px; padding-bottom: 6px;
}
.utilbar a { color: #cfe2ee; text-decoration: none; }
.utilbar a:hover { color: #fff; text-decoration: underline; }
.utilbar__set { display: flex; flex-wrap: wrap; gap: 6px 22px; }

.masthead {
  background: var(--ink);
  border-bottom: 3px solid var(--accent);
  position: relative;
}
.masthead .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; min-height: 74px; flex-wrap: wrap;
}

.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; padding: 12px 0; }
.logo__mark { flex: none; }
.logo__text { line-height: 1.05; }
.logo__name {
  display: block; color: #fff; font-weight: 800; font-size: 1.24rem; letter-spacing: -0.02em;
}
.logo__sub {
  display: block; color: var(--steel-pale); font-family: var(--mono);
  font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; margin-top: 3px;
}

.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a {
  display: block; padding: 10px 13px; text-decoration: none;
  color: #cbd7de; font-family: var(--mono); font-size: 12px;
  letter-spacing: .1em; text-transform: uppercase; border-bottom: 2px solid transparent;
}
.nav a:hover { color: #fff; border-bottom-color: var(--zinc); }
.nav a[aria-current="page"] { color: #fff; border-bottom-color: var(--accent-hi); }
.nav .btn { margin-left: 8px; }

@media (max-width: 780px) {
  .masthead .wrap { min-height: 0; padding-bottom: 10px; }
  .nav { width: 100%; gap: 0 2px; }
  .nav a { padding: 9px 10px; font-size: 11px; }
  .nav .btn { margin: 8px 0 0; width: 100%; text-align: center; }
}

/* --- 5. Buttons --------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .11em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 14px 24px;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.btn:hover { background: var(--accent-hi); border-color: var(--accent-hi); color: #fff; }
.btn--ghost { background: transparent; color: var(--accent); }
.btn--ghost:hover { background: var(--accent); color: #fff; }
.btn--onDark { border-color: #fff; background: #fff; color: var(--ink); }
.btn--onDark:hover { background: #ffb703; border-color: #ffb703; color: #000; }
.btn--onDarkGhost { background: transparent; border-color: var(--steel-pale); color: #fff; }
.btn--onDarkGhost:hover { background: #fff; border-color: #fff; color: var(--ink); }
.btn--wide { width: 100%; text-align: center; }

.btnrow { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.6rem; }
.btnrow--tight { margin-top: 1rem; }

/* --- 6. Hero ------------------------------------------------------------ */

.hero {
  background: var(--ink);
  color: #e8eef1;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--ink-3);
}
/* Brushed-steel texture, pure CSS, no image requests. */
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,.028) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.018) 0 1px, transparent 1px 7px),
    radial-gradient(115% 85% at 78% 8%, rgba(31,97,143,.42) 0%, transparent 62%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: 48px;
  align-items: center;
  padding: clamp(46px, 6vw, 88px) 0;
}
.hero__eyebrow {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .19em;
  text-transform: uppercase; color: #7fc0ec; margin: 0 0 18px;
  display: flex; align-items: center; gap: 12px;
}
.hero__eyebrow::after { content: ""; height: 1px; background: var(--ink-3); flex: 1; }
.hero h1 { color: #fff; margin-bottom: .5em; }
.hero__lede { font-size: clamp(1.03rem, .96rem + .35vw, 1.2rem); color: #c6d5de; max-width: 48ch; }
.hero__art { align-self: center; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .hero__art { max-width: 460px; }
}

/* --- 7. Spec strip (fact row) ------------------------------------------ */

.specstrip {
  background: var(--ink-2);
  border-top: 1px solid var(--ink-3);
  color: #dbe6ec;
}
.specstrip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
}
.specstrip__item { padding: 22px 26px; border-left: 1px solid var(--ink-3); }
.specstrip__item:first-child { border-left: 0; padding-left: 0; }
.specstrip__k {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .15em;
  text-transform: uppercase; color: var(--steel-pale); margin: 0 0 6px;
}
.specstrip__v { font-size: .95rem; line-height: 1.4; color: #fff; font-weight: 600; margin: 0; }

@media (max-width: 900px) {
  .specstrip__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specstrip__item { padding: 18px; border-top: 1px solid var(--ink-3); }
  .specstrip__item:first-child, .specstrip__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .specstrip__item:first-child, .specstrip__item:nth-child(2) { border-top: 0; }
}
@media (max-width: 480px) {
  .specstrip__grid { grid-template-columns: minmax(0, 1fr); }
  .specstrip__item { border-left: 0; padding-left: 0; }
  .specstrip__item:nth-child(2) { border-top: 1px solid var(--ink-3); }
}

/* --- 8. Section headings ------------------------------------------------ */

.sechead { margin-bottom: clamp(26px, 3vw, 40px); }
.sechead__idx {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .19em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 12px;
  display: flex; align-items: center; gap: 12px;
}
.sechead__idx::after { content: ""; height: 1px; background: var(--rule); flex: 1; }
.band--dark .sechead__idx { color: #7fc0ec; }
.band--dark .sechead__idx::after { background: var(--ink-3); }
.sechead p { color: var(--steel); max-width: 62ch; }
.band--dark .sechead p { color: #b8c8d2; }

/* --- 9. Definition-style lists (applications, checklists) --------------- */

.deflist { margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.deflist__row {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 4px 32px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}
.deflist__row dt, .deflist__t { font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.deflist__row dd, .deflist__d { margin: 0; color: var(--steel); font-size: .96rem; }
.band--dark .deflist { border-top-color: var(--ink-3); }
.band--dark .deflist__row { border-bottom-color: var(--ink-3); }
.band--dark .deflist__row dd { color: #b8c8d2; }
@media (max-width: 700px) {
  .deflist__row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
}

/* --- 10. Machine / topic blocks ---------------------------------------- */

.blocks { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.blocks--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.blocks--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.block { background: var(--paper-2); padding: 26px 26px 28px; }
.block__k {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .15em;
  text-transform: uppercase; color: var(--steel-mid); margin: 0 0 10px;
}
.block h3 { margin-bottom: .45em; }
.block p { font-size: .96rem; color: var(--steel); }
.block__more {
  display: inline-block; margin-top: .9rem; font-family: var(--mono);
  font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
@media (max-width: 900px) { .blocks--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .blocks--2, .blocks--3 { grid-template-columns: minmax(0, 1fr); } }

/* Machine family entries — heavier, list-like */
.entry {
  border-top: 2px solid var(--ink);
  padding: 26px 0 30px;
}
.entry + .entry { border-top-width: 1px; border-top-color: var(--rule); }
.entry__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin-bottom: .6em; }
.entry__head h3 { margin: 0; font-size: 1.32rem; }
.entry__tag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--accent-ink); background: var(--accent-pale);
  padding: 4px 9px; border: 1px solid #c9dcea;
}
.entry__body { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 12px 46px; }
.entry__body p { color: var(--steel); }
.entry__uses { margin: 0; padding: 0; list-style: none; }
.entry__uses li {
  font-size: .92rem; color: var(--steel); padding-left: 18px; position: relative;
  margin-bottom: .42em;
}
.entry__uses li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 2px; background: var(--zinc);
}
.entry__useshead {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .15em;
  text-transform: uppercase; color: var(--steel-mid); margin: 0 0 10px;
}
@media (max-width: 780px) { .entry__body { grid-template-columns: minmax(0, 1fr); gap: 20px; } }

/* --- 11. Condition grades ---------------------------------------------- */

.grades { border-top: 2px solid var(--ink); }
.grade {
  display: grid;
  grid-template-columns: 74px 210px minmax(0, 1fr);
  gap: 0 26px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.grade__letter {
  font-family: var(--mono); font-weight: 700; font-size: 1.5rem; line-height: 1;
  width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
  border: 2px solid currentColor; color: var(--grade-a); background: var(--paper-2);
}
.grade--b .grade__letter { color: var(--grade-b); }
.grade--c .grade__letter { color: var(--grade-c); }
.grade--d .grade__letter { color: var(--grade-d); }
.grade__name { font-weight: 700; margin: 0; padding-top: .35em; }
.grade__name small {
  display: block; font-family: var(--mono); font-size: 10.5px; font-weight: 400;
  letter-spacing: .13em; text-transform: uppercase; color: var(--steel-mid); margin-top: 5px;
}
.grade__desc { margin: 0; padding-top: .35em; color: var(--steel); font-size: .96rem; }
@media (max-width: 760px) {
  .grade { grid-template-columns: 74px minmax(0, 1fr); gap: 6px 20px; }
  .grade__desc { grid-column: 2; }
}

/* --- 12. Numbered process ---------------------------------------------- */

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 0 22px;
  padding: 20px 0; border-bottom: 1px solid var(--rule);
}
.steps li:first-child { border-top: 2px solid var(--ink); }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono); font-size: 1.05rem; font-weight: 700; color: var(--accent);
  padding-top: .1em;
}
.steps h3 { margin-bottom: .3em; }
.steps p { margin: 0; color: var(--steel); font-size: .96rem; }

/* --- 13. Callout / handoff --------------------------------------------- */

.callout {
  border: 1px solid var(--rule);
  border-left: 5px solid var(--accent);
  background: var(--paper-2);
  padding: 24px 26px;
}
.callout h3 { margin-bottom: .4em; }
.callout p { color: var(--steel); font-size: .97rem; }
.callout--dark {
  background: var(--ink-2); border-color: var(--ink-3); border-left-color: #7fc0ec; color: #d5e2e9;
}
.callout--dark p { color: #b8c8d2; }
.callout--note { border-left-color: var(--flag); }

/* --- 14. Forms ---------------------------------------------------------- */

.formwrap {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--accent);
  padding: clamp(24px, 3.4vw, 40px);
}
.band--dark .formwrap { background: var(--paper-2); color: var(--ink); }
.band--dark .formwrap h2, .band--dark .formwrap h3 { color: var(--ink); }
.band--dark .formwrap a { color: var(--accent); }

.form__intro { color: var(--steel); max-width: 60ch; }

fieldset { border: 0; margin: 0 0 6px; padding: 0; }
legend {
  font-family: var(--mono); font-size: 11px; letter-spacing: .15em; text-transform: uppercase;
  color: var(--steel-mid); padding: 0; margin: 22px 0 14px;
  width: 100%; border-bottom: 1px solid var(--rule-soft); padding-bottom: 8px;
}
fieldset:first-of-type legend { margin-top: 0; }

.field { margin-bottom: 18px; }
.field > label, .field__legend {
  display: block; font-weight: 700; font-size: .93rem; margin-bottom: 6px;
}
.field__hint { display: block; font-weight: 400; color: var(--steel-mid); font-size: .85rem; margin-top: 2px; }
.req { color: var(--flag); font-weight: 700; }
.opt { color: var(--steel-mid); font-weight: 400; font-size: .82rem; letter-spacing: .04em; }

/* Every text-like control, including any added later without an explicit type. */
input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]):not([type="submit"]):not([type="button"]):not([type="file"]),
select, textarea {
  width: 100%;
  font: inherit;
  font-size: .97rem;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid #b9c3c9;
  border-radius: 0;
  padding: 11px 13px;
  transition: border-color .12s ease, box-shadow .12s ease;
}
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--steel) 50%),
                    linear-gradient(135deg, var(--steel) 50%, transparent 50%);
  background-position: calc(100% - 19px) 50%, calc(100% - 13px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 38px;
}
textarea { min-height: 128px; resize: vertical; }

input:hover, select:hover, textarea:hover { border-color: var(--steel-mid); }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
  outline-offset: 1px;
}
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] {
  border-color: var(--flag);
  box-shadow: inset 0 0 0 1px var(--flag);
}

.field__err {
  display: none;
  font-size: .86rem;
  color: #8f3f10;
  margin-top: 6px;
  font-weight: 600;
}
.field__err.is-shown { display: block; }

.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
@media (max-width: 620px) { .grid2 { grid-template-columns: minmax(0, 1fr); } }

.checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; }
@media (max-width: 620px) { .checks { grid-template-columns: minmax(0, 1fr); } }
.check { display: flex; align-items: flex-start; gap: 10px; padding: 6px 0; }
.check input { flex: none; width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--accent); }
.check label { font-size: .94rem; line-height: 1.45; }

.form__foot {
  margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--rule-soft);
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 22px;
}
.form__foot p { margin: 0; font-size: .87rem; color: var(--steel-mid); max-width: 46ch; }

.form__status {
  margin-top: 18px; padding: 14px 16px; font-size: .93rem;
  border: 1px solid var(--flag); border-left-width: 5px; background: #fdf3ec; color: #6f3110;
}
.form__status[hidden] { display: none; }

/* Honeypot — off-screen, not display:none, never announced */
.hp {
  position: absolute !important; left: -9999px !important; top: auto !important;
  width: 1px !important; height: 1px !important; overflow: hidden !important;
}

.nojs {
  border: 1px solid var(--flag); border-left-width: 5px; background: #fdf3ec;
  color: #6f3110; padding: 16px 18px; margin-bottom: 22px; font-size: .95rem;
}

/* --- 15. Contact block -------------------------------------------------- */

.contactlist { list-style: none; margin: 0; padding: 0; }
.contactlist li { padding: 14px 0; border-bottom: 1px solid var(--ink-3); }
.contactlist li:first-child { border-top: 1px solid var(--ink-3); }
.contactlist .k {
  display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .15em;
  text-transform: uppercase; color: var(--steel-pale); margin-bottom: 4px;
}
.contactlist .v { font-size: 1.05rem; font-weight: 600; color: #fff; }

/* --- 16. Footer --------------------------------------------------------- */

.footer { background: #060a0d; color: #96a8b3; padding: 52px 0 34px; font-size: .92rem; }
.footer__grid {
  display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 32px 36px;
}
.footer h2 {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
  color: #fff; margin: 0 0 14px; font-weight: 700;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 9px; }
.footer a { color: #b9cbd6; text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; }
.footer__note { max-width: 40ch; }
.footer__base {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid #1a242b;
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  color: #6c7e89;
}
@media (max-width: 860px) { .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: minmax(0, 1fr); } }

/* --- 17. Utilities ------------------------------------------------------ */

.lede { font-size: 1.1rem; color: var(--steel); max-width: 62ch; }
.band--dark .lede { color: #c1d1da; }
.muted { color: var(--steel-mid); font-size: .9rem; }
.band--dark .muted { color: var(--steel-pale); }
/* ...but a form panel sits on white even inside a dark band. */
.band--dark .formwrap .muted { color: var(--steel-mid); }
.footer .muted { color: #8ea0ab; }
.mono {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase;
}
.stack > * + * { margin-top: 1.05em; }
.mt0 { margin-top: 0; } .mb0 { margin-bottom: 0; }
.mt2 { margin-top: 2rem; } .mt3 { margin-top: 3rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.placeholder-token {
  font-family: var(--mono); font-size: .93em; letter-spacing: .04em;
}
.anchor-offset { scroll-margin-top: 24px; }

@media print {
  .utilbar, .nav, .footer, .formwrap { display: none; }
  body { background: #fff; font-size: 12pt; }
}