@import url('tokens.css');

* { box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
section[id] { scroll-margin-top: 110px; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--oak); outline-offset: 3px; }

@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise 0.6s cubic-bezier(.16,.9,.28,1) both; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(.16,.9,.28,1), transform 0.7s cubic-bezier(.16,.9,.28,1);
  }
  .reveal-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

  @keyframes tag-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }
  .config-tag { animation: tag-float 5s ease-in-out infinite; }
  .tag-1 { animation-delay: 0s; }
  .tag-2 { animation-delay: 0.6s; }
  .tag-3 { animation-delay: 1.2s; }
  .tag-4 { animation-delay: 1.8s; }
}

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: clamp(20px, 5vw, 56px);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--oak);
  color: var(--charcoal);
  padding: 10px 16px;
  z-index: 100;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.skip-link:focus { left: 12px; top: 12px; }

.eyebrow {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--oak-deep);
  display: inline-block;
}
.on-dark .eyebrow { color: var(--oak); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--oak); color: var(--charcoal); }
.btn-primary:hover { background: color-mix(in srgb, var(--oak) 88%, white 12%); }
.btn-ghost { border-color: var(--hairline-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--oak); }
.btn-ghost.on-dark { border-color: color-mix(in srgb, var(--surface) 30%, transparent); color: var(--surface); }
.btn-ghost.on-dark:hover { border-color: var(--oak); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled {
  box-shadow: 0 6px 20px rgba(0,0,0,0.07);
  border-bottom-color: var(--hairline-strong);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 10px;
}
.site-header .logo { flex-shrink: 0; }
.site-header .logo img { height: 90px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink);
  position: relative;
}
.site-nav a:hover { color: var(--oak-deep); }
.site-nav a.nav-highlight {
  font-weight: 700;
  color: var(--ink);
  border: 1px solid var(--oak);
  border-radius: 3px;
  padding: 6px 12px;
  transition: background 0.2s ease, color 0.2s ease;
}
.site-nav a.nav-highlight:hover { background: var(--oak); color: var(--charcoal); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-actions .trade-link {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone);
  text-decoration: none;
  white-space: nowrap;
}
.header-actions .trade-link:hover { color: var(--oak-deep); }
.nav-toggle { display: none; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 780px);
  display: flex;
  align-items: flex-end;
  color: var(--warm-white);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,15,13,0.9) 0%, rgba(15,15,13,0.66) 42%, rgba(15,15,13,0.42) 75%, rgba(15,15,13,0.3) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-block: clamp(48px, 8vw, 88px);
  width: 100%;
}
.hero-eyebrow { color: var(--oak); }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.4vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
  max-width: 16ch;
  margin: 14px 0 20px;
}
.hero h1 em { font-style: normal; color: var(--oak); }
.hero .sub {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.55;
  max-width: 46ch;
  margin: 0 0 30px;
  color: color-mix(in srgb, var(--warm-white) 88%, transparent);
}
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- section shell ---------- */
.section { padding-block: clamp(56px, 8vw, 100px); }
.section-tight { padding-block: clamp(40px, 6vw, 64px); }
.section-head { max-width: 62ch; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  text-wrap: balance;
}
.section-head p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--stone);
  margin: 12px 0 0;
  max-width: 56ch;
}
.section-head.split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  max-width: none;
}

.on-surface-raised { background: var(--surface-raised); }
.on-inset { background: var(--surface-inset); }
.on-dark { background: var(--ink); color: var(--surface); }
.on-dark .stone-text,
.on-dark .section-head p,
.on-dark .distinction-item p { color: color-mix(in srgb, var(--surface) 65%, transparent); }
.on-dark .distinction-item .num { color: var(--oak); }

/* ---------- value pillars ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.pillar {
  background: var(--surface);
  padding: clamp(26px, 3vw, 34px);
}
.pillar .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--oak);
  letter-spacing: 0.08em;
}
.pillar h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 14px 0 8px;
  letter-spacing: -0.005em;
}
.pillar p { margin: 0; font-size: 0.9rem; line-height: 1.55; color: var(--stone); }

/* ---------- distinction (studio vs tiny home) ---------- */
.distinction-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 40px);
}
.distinction-item .num { font-family: var(--font-mono); font-weight: 700; font-size: 0.72rem; color: var(--oak-deep); letter-spacing: 0.08em; }
.distinction-item h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  margin: 12px 0 10px;
  letter-spacing: -0.005em;
}
.distinction-item p { margin: 0; font-size: 0.9rem; line-height: 1.6; color: var(--stone); }

/* ---------- timeline ---------- */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--hairline-strong);
  border: 1px solid var(--hairline-strong);
}
.timeline-step { background: var(--surface); padding: clamp(20px, 2.5vw, 26px) clamp(16px, 2vw, 20px); transition: transform 0.2s ease, box-shadow 0.2s ease; position: relative; }
.timeline-step:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(0,0,0,0.08); z-index: 1; }
.timeline-step .week {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--oak-deep);
}
.timeline-step h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  margin: 10px 0 8px;
  letter-spacing: -0.005em;
}
.timeline-step p { margin: 0; font-size: 0.82rem; line-height: 1.5; color: var(--stone); }

/* ---------- category grid ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.category-card {
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.09);
  z-index: 1;
}
.category-thumb { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.category-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.category-card:hover .category-thumb img { transform: scale(1.04); }
.category-icon {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}
.category-icon svg { width: 17px; height: 17px; stroke: var(--oak); fill: none; }
.thumb-flag {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--ink);
  color: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 9px;
  border-radius: 3px;
}
.category-body { padding: 20px clamp(20px, 3vw, 28px) 26px; }
.category-body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.category-body p { margin: 0; font-size: 0.88rem; line-height: 1.5; color: var(--stone); }
.category-body .go {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--oak-deep);
}

.category-card-cta {
  background: var(--surface-inset);
  display: flex;
  align-items: center;
  padding: clamp(24px, 3vw, 32px);
}
.category-card-cta h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  margin: 10px 0 10px;
  letter-spacing: -0.005em;
}
.category-card-cta p { margin: 0; font-size: 0.9rem; line-height: 1.55; color: var(--stone); }
.category-card-cta .go { margin-top: 14px; }

/* ---------- included spec list ---------- */
.included-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.spec-list { border-top: 1px solid color-mix(in srgb, var(--surface) 22%, transparent); }
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--surface) 22%, transparent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.spec-row .k { color: color-mix(in srgb, var(--surface) 60%, transparent); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; padding-top: 2px; }
.spec-row .v { text-align: right; max-width: 32ch; }

/* ---------- featured work ---------- */
.featured-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1px, 1vw, 20px);
}
.featured-card { position: relative; overflow: hidden; background: var(--surface-raised); }
.featured-card img { width: 100%; height: 100%; object-fit: cover; }
.featured-card .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 18px 22px;
  background: linear-gradient(0deg, rgba(20,20,18,0.68), transparent);
  color: var(--warm-white);
}
.featured-card.light .cap {
  background: linear-gradient(0deg, rgba(247,242,232,0.9), transparent);
  color: var(--ink);
}
.featured-card .cap .eyebrow { color: var(--oak); }
.featured-card.light .cap .eyebrow { color: var(--oak-deep); }
.featured-card .cap h3 { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; margin: 4px 0 0; }
.featured-tall { aspect-ratio: 3/4; }
.featured-stack { display: flex; flex-direction: column; gap: clamp(1px, 1vw, 20px); }
.featured-short { aspect-ratio: 16/10; flex: 1; }

/* ---------- testimonial ---------- */
.testimonial { max-width: 66ch; }
.testimonial blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.testimonial cite {
  display: block;
  font-style: normal;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- financing band ---------- */
/* ---------- models ---------- */
.model-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline-strong);
  border: 1px solid var(--hairline-strong);
}
.model-card {
  background: var(--surface);
  padding: clamp(28px, 3.5vw, 36px);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}
.model-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.09);
  z-index: 1;
}
.model-card .tier {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.005em;
}
.model-card .tagline { margin: 6px 0 22px; color: var(--stone); font-size: 0.92rem; }
.model-features {
  border-top: 1px solid var(--hairline-strong);
  margin-bottom: 20px;
}
.model-features .row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-block: 12px;
  border-bottom: 1px solid var(--hairline-strong);
  font-size: 0.85rem;
}
.model-features .k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone);
  flex-shrink: 0;
  padding-top: 2px;
}
.model-features .v { text-align: right; }
.model-card .best-for { font-size: 0.85rem; color: var(--stone); line-height: 1.5; margin: 0 0 20px; flex-grow: 1; }
.model-card .go {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--oak-deep);
  text-decoration: none;
}

/* ---------- configurator ---------- */
.configurator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.configurator-visual {
  position: relative;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.config-glyph { width: 46%; height: auto; position: relative; z-index: 1; }
.config-tag {
  position: absolute;
  z-index: 2;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--oak);
  border-radius: 3px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}
.config-tag span { display: block; color: var(--stone); text-transform: none; letter-spacing: 0; font-size: 0.72rem; margin-top: 2px; }
.tag-1 { top: 6%; left: 2%; }
.tag-2 { top: 20%; right: 0; }
.tag-3 { bottom: 22%; left: 0; }
.tag-4 { bottom: 6%; right: 4%; }

/* ---------- financing (full) ---------- */
.financing-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(32px, 5vw, 48px);
}
.fin-item .num { font-family: var(--font-mono); font-weight: 700; font-size: 0.72rem; color: var(--oak-deep); letter-spacing: 0.08em; }
.fin-item h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 12px 0 8px;
  letter-spacing: -0.005em;
}
.fin-item p { margin: 0; font-size: 0.9rem; line-height: 1.55; color: var(--stone); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 76ch; }
.faq-item { border-bottom: 1px solid var(--hairline-strong); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus { font-family: var(--font-mono); font-weight: 700; color: var(--oak-deep); font-size: 1.1rem; transition: transform 0.2s ease; flex-shrink: 0; }
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item p { margin: 0 0 22px; color: var(--stone); font-size: 0.95rem; line-height: 1.6; max-width: 62ch; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--surface); }
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 32px;
  padding-block: clamp(48px, 6vw, 72px);
  border-bottom: 1px solid color-mix(in srgb, var(--surface) 16%, transparent);
}
.footer-brand img { height: 70px; width: auto; margin-bottom: 16px; }
.footer-brand p { color: color-mix(in srgb, var(--surface) 62%, transparent); font-size: 0.9rem; line-height: 1.6; max-width: 32ch; margin: 0; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--oak);
  margin: 0 0 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { text-decoration: none; color: color-mix(in srgb, var(--surface) 80%, transparent); font-size: 0.92rem; }
.footer-col a:hover { color: var(--oak); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-block: 22px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--surface) 55%, transparent);
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .site-nav { display: none; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .included-layout { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-tall { aspect-ratio: 16/10; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .model-grid { grid-template-columns: 1fr; }
  .configurator-layout { grid-template-columns: 1fr; }
  .configurator-visual { aspect-ratio: 16/10; margin-top: 32px; }
  .financing-values { grid-template-columns: 1fr 1fr; }
  .distinction-grid { grid-template-columns: 1fr; }
  .timeline-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .pillars, .category-grid { grid-template-columns: 1fr; }
  .timeline-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .header-actions .trade-link { display: none; }
  .header-actions .btn-primary { display: none; }
  .hero { min-height: auto; }
  .hero-content { padding-block: 48px 40px; }
  .financing-values { grid-template-columns: 1fr; }
  .config-tag { position: static; margin-bottom: 10px; display: inline-block; }
  .configurator-visual { flex-direction: column; align-items: flex-start; aspect-ratio: auto; height: auto; }
  .config-glyph { width: 120px; margin: 16px 0; align-self: center; }
}