/* ==========================================================================
   Mountain Housing Partners — layout and components
   Brand colors and fonts come from tokens.css. Mobile-first.
   ========================================================================== */

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}

h1, h2, h3 {
  font-weight: var(--weight-semibold);
  line-height: 1.15;
  letter-spacing: 0;
  margin: 0 0 0.6em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.25rem, 7vw, 4.25rem); line-height: 1.05; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3, .h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; max-width: 65ch; }
ul { margin: 0; padding: 0; }

a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--orange-text); outline-offset: 3px; }
.section--ink :focus-visible,
.site-footer :focus-visible { outline-color: var(--gold); }

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

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--ink); color: var(--off-white);
  padding: 0.75rem 1rem; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* Visible placeholder for content that still needs to be supplied */
.placeholder {
  display: inline-block;
  padding: 0 0.35em;
  border: 1px dashed currentColor;
  font-weight: var(--weight-semibold);
  color: var(--orange-text);
  background: transparent;
}
.section--ink .placeholder,
.site-footer .placeholder { color: var(--gold); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 48rem) { .container { padding-inline: 2rem; } }

.section { padding-block: clamp(4rem, 10vw, 7rem); }
.section--white { background: var(--white); }
.section--off-white { background: var(--off-white); }
.section--ink { background: var(--ink); color: var(--off-white); }

/* Burnt-orange accent stripe, as on the business cards */
.stripe-bottom { border-bottom: 6px solid var(--burnt-orange); }

/* Small label above a heading, with a short accent rule */
.eyebrow {
  display: flex; align-items: center; gap: 0.75rem;
  margin: 0 0 1.25rem;
  font-size: 0.8125rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-text);
}
.eyebrow::before {
  content: ""; width: 2rem; height: 2px; flex: none;
  background: var(--burnt-orange);
}
.section--ink .eyebrow { color: var(--gold); }
.section--ink .eyebrow::before { background: var(--gold); }

.lead { font-size: clamp(1.125rem, 2.2vw, 1.3125rem); line-height: 1.6; }
.muted { color: var(--warm-gray); }
.section--ink .muted { color: var(--muted-on-ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--ink);
  font: inherit;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn--primary { background: var(--ink); color: var(--off-white); }
.btn--primary:hover { background: var(--warm-gray); border-color: var(--warm-gray); }
.btn--secondary { background: transparent; color: var(--ink); }
.btn--secondary:hover { background: var(--ink); color: var(--off-white); }

.section--ink .btn--primary { background: var(--off-white); color: var(--ink); border-color: var(--off-white); }
.section--ink .btn--primary:hover { background: var(--gold); border-color: var(--gold); }
.section--ink .btn--secondary { color: var(--off-white); border-color: var(--off-white); }
.section--ink .btn--secondary:hover { background: var(--off-white); color: var(--ink); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.text-link {
  font-weight: var(--weight-semibold);
  color: var(--orange-text);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.text-link:hover { border-bottom-width: 2px; }
.section--ink .text-link { color: var(--gold); }

/* ---------- Logo (horizontal lockup) ----------
   mark | thin vertical rule | MOUNTAIN / HOUSING / PARTNERS
   Rendered at >= 1.5in (144px) wide; clear space = half the mark height. */
.logo {
  display: inline-flex; align-items: center; gap: 0.875rem;
  padding: 1rem 0;                 /* clear space, with header padding */
  color: var(--ink);
  text-decoration: none;
}
.logo__mark { width: 2.75rem; height: auto; flex: none; }
.logo__mark .peak-back { stroke: var(--gold); }
.logo__mark .peak-front { stroke: currentColor; }
.logo__rule { width: 1px; align-self: stretch; margin-block: 0.125rem; background: var(--rule-gray); }
.logo__type { display: flex; flex-direction: column; line-height: 1.15; }
.logo__word {
  font-size: 0.9375rem;
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-logotype);
  text-transform: uppercase;
}
.logo__descriptor {
  margin-top: 0.2rem;
  font-size: 0.5625rem;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-descriptor);
  text-transform: uppercase;
  color: var(--deep-gold);
}
.logo--on-ink { color: var(--off-white); }
.logo--on-ink .logo__rule { background: var(--warm-gray); }
.logo--on-ink .logo__descriptor { color: var(--gold); }

/* ---------- Header and navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--rule-gray);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
  gap: 0 1.5rem;
}

.nav-toggle { display: none; }

.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1.75rem; padding-bottom: 1rem; }
.site-nav a { text-decoration: none; font-weight: var(--weight-medium); }
.site-nav a:not(.btn):hover,
.site-nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--burnt-orange); text-decoration-thickness: 2px; text-underline-offset: 0.4em; }
.site-nav .btn { min-height: 2.75rem; padding: 0.5rem 1.25rem; }

/* Mobile: collapse behind a menu button (only when JavaScript is running) */
@media (max-width: 47.99rem) {
  .js .nav-toggle {
    display: inline-flex; align-items: center; gap: 0.5rem;
    min-height: 2.75rem; padding: 0.5rem 0.875rem;
    background: transparent; color: var(--ink);
    border: 1px solid var(--rule-gray);
    font: inherit; font-weight: var(--weight-medium); cursor: pointer;
  }
  .nav-toggle__icon,
  .nav-toggle__icon::before,
  .nav-toggle__icon::after {
    display: block; width: 1.125rem; height: 2px; background: currentColor; content: ""; position: relative;
  }
  .nav-toggle__icon::before { position: absolute; top: -6px; }
  .nav-toggle__icon::after { position: absolute; top: 6px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__icon { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { top: 0; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { top: 0; transform: rotate(-45deg); }

  .site-nav { flex-basis: 100%; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding-bottom: 1.25rem; }
  .site-nav li a:not(.btn) { display: block; padding: 0.75rem 0; border-top: 1px solid var(--rule-gray); }
  .site-nav .btn { width: 100%; margin-top: 0.75rem; }
}
@media (min-width: 48rem) {
  .site-header__inner { flex-wrap: nowrap; }
  .site-nav ul { padding-bottom: 0; }
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(4.5rem, 12vw, 9rem); }
.hero h1 { max-width: 16ch; margin-bottom: 1.75rem; }
.hero .lead { max-width: 40rem; color: var(--muted-on-ink); }

/* ---------- Focus section ---------- */
.split { display: grid; gap: 3rem; }
@media (min-width: 56rem) {
  .split { grid-template-columns: 1.4fr 1fr; gap: 5rem; align-items: start; }
}

.panel {
  padding: 2rem;
  background: var(--off-white);
  border-top: 3px solid var(--burnt-orange);
}
.panel h3 { margin-bottom: 1rem; }
.check-list { list-style: none; }
.check-list li { padding: 0.625rem 0; border-top: 1px solid var(--rule-gray); }
.check-list li:first-child { border-top: 0; }
.panel__note { margin: 1rem 0 0; }
.after-list { margin-top: 2.5rem; }

.callout {
  margin-top: 2.5rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--rule-gray);
}
.callout h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.callout p { color: var(--warm-gray); margin: 0; }

/* ---------- Track record ---------- */
.stats { display: grid; gap: 2rem; margin: 3rem 0; list-style: none; }
@media (min-width: 40rem) { .stats { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.stat { padding-top: 1.25rem; border-top: 2px solid var(--ink); }
.stat__number {
  display: block;
  font-size: clamp(3.5rem, 9vw, 5.5rem);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: -0.01em;
}
.stat__label { display: block; margin-top: 0.75rem; max-width: 30ch; color: var(--warm-gray); }

.org-list { list-style: none; display: grid; gap: 1.25rem; }
@media (min-width: 48rem) { .org-list { grid-template-columns: 1fr 1fr; gap: 2rem; } }
.org-list li { padding-top: 1rem; border-top: 1px solid var(--rule-gray); }
.org-list p { margin: 0.25rem 0 0; color: var(--warm-gray); }
.org-list a { font-weight: var(--weight-semibold); }
.fine-print { margin-top: 2rem; font-size: 0.9375rem; color: var(--warm-gray); }

/* ---------- Service cards ---------- */
.section-head { margin-bottom: 3rem; }
.cards { list-style: none; display: grid; gap: 0; }
@media (min-width: 40rem) { .cards { grid-template-columns: 1fr 1fr; column-gap: 2.5rem; } }
@media (min-width: 64rem) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  display: flex; flex-direction: column;
  padding: 1.75rem 0 2.25rem;
  border-top: 1px solid var(--rule-gray);
}
.card__num {
  font-size: 0.8125rem; font-weight: var(--weight-semibold);
  letter-spacing: 0.18em; color: var(--bronze);
  margin-bottom: 0.75rem;
}
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--warm-gray); flex: 1; }
.card .text-link { align-self: flex-start; }

/* ---------- Audience list (on Ink) ---------- */
.audience-list { list-style: none; counter-reset: aud; }
.audience-list li {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.5rem 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule-on-ink);
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  font-weight: var(--weight-semibold);
}
.audience-list li:last-child { border-bottom: 1px solid var(--rule-on-ink); }
.audience-list .text-link { font-size: 1rem; }

/* ---------- Founders ---------- */
.founders { list-style: none; display: grid; gap: 2.5rem; margin-top: 3rem; }
@media (min-width: 48rem) { .founders { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.founder { padding-top: 1.5rem; border-top: 2px solid var(--ink); }
.founder h3 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.founder__title {
  margin-bottom: 1rem;
  font-size: 0.8125rem; font-weight: var(--weight-semibold);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--bronze);
}
.founder p:last-child { color: var(--warm-gray); }

/* ---------- Contact band ---------- */
.contact-band h2 { max-width: 22ch; }

/* ---------- Inner-page hero ---------- */
.page-hero { padding-block: clamp(3.5rem, 9vw, 6rem); }
.page-hero h1 { max-width: 18ch; margin-bottom: 1.25rem; }
.page-hero .lead { max-width: 40rem; color: var(--muted-on-ink); margin-bottom: 0; }

/* ---------- Contact form ---------- */
.contact-layout { display: grid; gap: 3.5rem; }
@media (min-width: 56rem) {
  .contact-layout { grid-template-columns: 1.6fr 1fr; gap: 5rem; align-items: start; }
}

.form-note { color: var(--warm-gray); margin-bottom: 2rem; }

.form-grid { display: grid; gap: 1.5rem; }
@media (min-width: 40rem) {
  .form-grid { grid-template-columns: 1fr 1fr; column-gap: 1.5rem; }
  .field--full { grid-column: 1 / -1; }
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: var(--weight-semibold);
}
.field__optional {
  margin-left: 0.35rem;
  font-weight: var(--weight-regular);
  font-size: 0.875rem;
  color: var(--warm-gray);
}
.field input,
.field select,
.field textarea {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.875rem;
  font: inherit;
  letter-spacing: inherit;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--warm-gray);
  border-radius: 0;
}
.field textarea { min-height: 10rem; resize: vertical; }
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible { outline: 3px solid var(--orange-text); outline-offset: 0; border-color: var(--ink); }
.field input:user-invalid,
.field textarea:user-invalid { border-color: var(--orange-text); border-width: 2px; }

.form-actions { margin-top: 2rem; }
.form-actions .btn { cursor: pointer; }

.details-list { list-style: none; }
.details-list li { padding: 1rem 0; border-top: 1px solid var(--rule-gray); }
.details-list li:last-child { border-bottom: 1px solid var(--rule-gray); }
.details-list .footer-heading { color: var(--bronze); margin-bottom: 0.25rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--off-white);
  border-top: 1px solid var(--rule-on-ink);
  padding-block: 3.5rem 2rem;
  font-size: 0.9375rem;
}
.footer-grid { display: grid; gap: 2.5rem; }
@media (min-width: 48rem) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; } }
.footer-heading {
  margin: 0 0 1rem;
  font-size: 0.75rem; font-weight: var(--weight-semibold);
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold);
}
.footer-list { list-style: none; display: grid; gap: 0.5rem; }
.footer-list a { text-decoration: none; }
.footer-list a:hover { text-decoration: underline; }
.site-footer .tagline { margin-top: 0.5rem; color: var(--muted-on-ink); }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.5rem;
  border-top: 1px solid var(--rule-on-ink);
  color: var(--muted-on-ink);
  font-size: 0.875rem;
}
.footer-bottom p { margin: 0; max-width: none; }

/* ---------- Inner pages: About, Services, Public agencies ---------- */
.section--ink + .section--ink { border-top: 1px solid var(--rule-on-ink); }
.service { scroll-margin-top: 6rem; }
.service .card__num { display: block; }
.service__list { list-style: none; border-top: 2px solid var(--ink); }
.service__list li:first-child { border-top: 0; }
.section--off-white .check-list li { border-color: var(--rule-gray); }
.founders--full .founder p:not(.founder__title) { color: var(--ink); }
.panel p:not(.muted) { margin-bottom: 0; }

/* ---------- Founder headshots ---------- */
.founder__photo {
  display: block;
  width: 100%;
  max-width: 15rem;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  margin-bottom: 1.25rem;
}
.founders--full .founder__photo { max-width: 18rem; }

/* ---------- Partners (text cards; swap in logos later) ---------- */
.partners { list-style: none; display: grid; gap: 0; margin-top: 2.5rem; }
@media (min-width: 48rem) { .partners { grid-template-columns: repeat(3, 1fr); column-gap: 2.5rem; } }
.partner { padding: 1.5rem 0 2rem; border-top: 2px solid var(--ink); }
.partner__name {
  font-size: 1.375rem; font-weight: var(--weight-semibold);
  text-decoration: none; border-bottom: 1px solid var(--rule-gray);
}
.partner__name:hover { border-bottom-color: var(--burnt-orange); }
.partner__role {
  margin: 0.75rem 0 0.5rem;
  font-size: 0.8125rem; font-weight: var(--weight-semibold);
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--orange-text);
}
.partner p:last-child { color: var(--warm-gray); margin-bottom: 0; }
.section--white + .section--white { border-top: 1px solid var(--rule-gray); }

/* Three team members */
@media (min-width: 56rem) {
  .founders:has(> li:nth-child(3)) { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
}

/* ---------- Homepage hero photo ---------- */
.hero__grid { display: grid; gap: 2.5rem; }
.hero__photo { margin: 0; }
.hero__photo img {
  display: block; width: 100%; height: 100%;
  aspect-ratio: 5 / 4; object-fit: cover; object-position: center bottom;
}
@media (min-width: 56rem) {
  .hero { padding-block: clamp(3.5rem, 7vw, 6rem); }
  .hero__grid { grid-template-columns: 1.15fr 1fr; gap: 4rem; align-items: stretch; }
  .hero__photo img { aspect-ratio: auto; min-height: 30rem; }
}
.footer-bottom a { color: inherit; }