/* =====================================================================
   FOURIER — HOMEPAGE v1
   Built to Fourier_Homepage_Build_Spec_v1.md.
   Tokens come from fourier-tokens.css. This file owns layout only.
   ===================================================================== */

/* ── Build-mode placeholder flag on every empty image-slot ─────────── */
.ph-slot { position: relative; display: block; width: 100%; height: 100%; }
.ph-slot image-slot { width: 100%; height: 100%; display: block; }
.ph-slot::after {
  content: 'PLACEHOLDER';
  position: absolute;
  top: 10px; left: 10px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--parchment);
  background: rgba(26,58,27,0.78);
  padding: 4px 8px;
  border-radius: var(--radius-1);
  pointer-events: none;
}
/* When the slot is filled, the component sets data-filled — hide the flag */
.ph-slot:has(image-slot[data-filled])::after { display: none; }

/* ─────────────────────────────────────────────────────────────────────
   NAVIGATION — light parchment, sticky
   ───────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-8);
  padding: 18px 48px;
  background: rgba(245,242,236,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 0.5px solid var(--line-on-light);
  transition: padding var(--dur-slow) ease, background var(--dur-slow) ease;
}
.nav.scrolled { padding: 12px 48px; background: rgba(245,242,236,0.94); }
.nav-logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 26px; width: auto; display: block; }
.nav-links {
  list-style: none; display: flex; align-items: center;
  gap: var(--space-8); margin: 0 auto;
}
.nav-links a {
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-label); letter-spacing: var(--ls-label);
  text-transform: uppercase; color: var(--fg-1);
}
.nav-links a:hover { color: var(--fourier-green); }
.nav-cta {
  flex-shrink: 0;
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-label); letter-spacing: var(--ls-button);
  text-transform: uppercase;
  padding: 11px 22px; border-radius: var(--radius-2);
  background: var(--fourier-green); color: var(--parchment);
  border: 0.5px solid transparent;
  transition: background var(--dur-base) ease, transform var(--dur-base) ease;
}
.nav-cta:hover { background: var(--forest-night); color: var(--parchment); transform: translateY(-1px); }

/* hamburger (mobile) */
.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-burger span { display: block; width: 22px; height: 1.5px; background: var(--forest-night); transition: transform var(--dur-base) ease, opacity var(--dur-base) ease; }

/* ─────────────────────────────────────────────────────────────────────
   SHARED SECTION SHELL
   ───────────────────────────────────────────────────────────────────── */
.sec { padding: 100px 48px; position: relative; }
.sec-eyebrow {
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-micro); letter-spacing: var(--ls-label-wide);
  text-transform: uppercase; color: var(--mid-forest);
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: var(--space-6);
}
.sec-eyebrow::before { content: ''; width: 24px; height: 0.5px; background: currentColor; }
.wrap { max-width: 1240px; margin: 0 auto; }

/* ─────────────────────────────────────────────────────────────────────
   2 · HERO — parchment, copy left / image right
   ───────────────────────────────────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: center;
  gap: var(--space-12);
  max-width: 1240px; margin: 0 auto;
  padding: 90px 48px 96px;
}
.hero-copy { max-width: 560px; }
.hero h1 {
  font-family: var(--display); font-weight: var(--fw-regular);
  font-size: var(--fs-display-1); line-height: 1.06;
  letter-spacing: -0.025em; color: var(--forest-night);
  text-wrap: balance;
}
.hero-sub {
  margin-top: var(--space-7);
  font-size: clamp(17px, 1.5vw, 21px); line-height: 1.55;
  color: var(--fg-2); max-width: 30ch;
}
.hero-actions { margin-top: var(--space-9); display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.hero-link {
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-label); letter-spacing: var(--ls-button);
  text-transform: uppercase; color: var(--fourier-green);
  display: inline-flex; align-items: center; gap: 9px;
  border-bottom: 1px solid rgba(45,90,46,0.35); padding-bottom: 3px;
  transition: gap var(--dur-base) ease, border-color var(--dur-base) ease;
}
.hero-link::after { content: '→'; font-size: 13px; }
.hero-link:hover { gap: 14px; border-color: var(--fourier-green); }
.hero-media { position: relative; aspect-ratio: 5 / 4.4; }
.hero-media .ph-slot, .hero-media image-slot { border-radius: var(--radius-0); }

/* ─────────────────────────────────────────────────────────────────────
   3 · ANCHOR STATEMENT STRIP
   ───────────────────────────────────────────────────────────────────── */
.anchor {
  text-align: center; padding: 56px 48px;
  background: #EFEBE2;
  border-top: 0.5px solid rgba(90,140,90,0.45);
  border-bottom: 0.5px solid rgba(90,140,90,0.45);
}
.anchor h2 {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: clamp(26px, 3.2vw, 44px); line-height: 1.1;
  letter-spacing: -0.02em; color: var(--forest-night);
}
.anchor h2 .sep { color: var(--mid-forest); font-style: italic; padding: 0 0.25em; font-weight: var(--fw-regular); }

/* ─────────────────────────────────────────────────────────────────────
   4 · 5 · PROBLEM / SOLUTION — stacked bars w/ paired image
   ───────────────────────────────────────────────────────────────────── */
.bars-head { max-width: 760px; margin: 0 auto 56px; }
.bars-head h2 {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: var(--fs-display-3); line-height: 1.12; letter-spacing: -0.02em;
  color: var(--forest-night);
}
.bars { max-width: 1240px; margin: 0 auto; }
.bar {
  display: grid; grid-template-columns: 1fr 0.78fr; align-items: center;
  gap: var(--space-12);
  padding: 52px 0;
  border-top: 0.5px solid var(--line-on-light);
}
.bar:last-child { border-bottom: 0.5px solid var(--line-on-light); }
.bar-num {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  color: var(--mid-forest); margin-bottom: var(--space-4); display: block;
}
.bar-title {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: clamp(26px, 3vw, 40px); line-height: 1.08; letter-spacing: -0.025em;
  color: var(--forest-night); margin-bottom: var(--space-5); text-wrap: balance;
}
.bar-body { font-size: var(--fs-body); line-height: 1.65; color: var(--fg-2); max-width: 46ch; }
.bar-media { position: relative; aspect-ratio: 4 / 3; }

/* Solution section: warm tonal shift + sage top accent */
.sec--solution { background: #EEEAE0; }
.sec--solution::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--mid-forest); }
.sec--solution .bar-title { color: var(--forest-night); }

/* ─────────────────────────────────────────────────────────────────────
   6 · FOUR BOXES — gateway grid
   ───────────────────────────────────────────────────────────────────── */
.boxes-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; max-width: 1240px; margin: 0 auto; }
.box {
  position: relative; display: block; aspect-ratio: 3 / 4;
  overflow: hidden; background: var(--forest-night);
}
.box .ph-slot, .box image-slot { position: absolute; inset: 0; }
.box-img {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  filter: saturate(1); transition: filter var(--dur-slow) ease, transform var(--dur-slow) ease;
}
.box:hover .box-img { filter: saturate(0.55) brightness(0.92); transform: scale(1.03); }
.box-scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,30,18,0.82) 0%, rgba(20,30,18,0.28) 45%, rgba(20,30,18,0.05) 100%); z-index: 2; }
.box-meta { position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; padding: 26px 24px; }
.box-label {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: 19px; letter-spacing: -0.01em; color: var(--parchment);
  display: inline-block; border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: border-color var(--dur-base) ease;
}
.box:hover .box-label { border-color: var(--lichen); }
.box-sub { margin-top: var(--space-3); font-size: 12.5px; line-height: 1.5; color: rgba(245,242,236,0.78); }

/* ─────────────────────────────────────────────────────────────────────
   7 · WHO IT'S FOR — 8 tiles, label only
   ───────────────────────────────────────────────────────────────────── */
.sectors-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; max-width: 1240px; margin: 0 auto; }
.sector {
  position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--forest-night);
  display: block;
}
.sector .ph-slot, .sector image-slot { position: absolute; inset: 0; }
.sector-img { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform var(--dur-slow) ease; }
.sector:hover .sector-img { transform: scale(1.04); }
.sector-scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,30,18,0.78) 0%, rgba(20,30,18,0.15) 55%, transparent 100%); z-index: 2; }
.sector-name {
  position: absolute; left: 22px; bottom: 20px; z-index: 3;
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: 16px; letter-spacing: -0.005em; color: var(--parchment);
}
.sector-rule { position: absolute; left: 22px; bottom: 46px; z-index: 3; width: 26px; height: 0.5px; background: var(--lichen); opacity: 0.75; }

/* ─────────────────────────────────────────────────────────────────────
   8 · BUILD WITH FOURIER — dark accent strip
   ───────────────────────────────────────────────────────────────────── */
.build { background: var(--forest-night); color: var(--parchment); padding: 104px 48px; text-align: center; position: relative; overflow: hidden; }
.build-inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 2; }
.build h2 {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: var(--fs-display-2); line-height: 1.1; letter-spacing: -0.025em; color: var(--parchment);
}
.build p { margin: var(--space-6) auto var(--space-9); max-width: 56ch; color: rgba(245,242,236,0.74); font-size: 16px; }

/* ─────────────────────────────────────────────────────────────────────
   9 · CREATIVE HOSPITALITY credibility line
   ───────────────────────────────────────────────────────────────────── */
.cred-line { padding: 64px 48px; text-align: center; }
.cred-line p {
  font-family: var(--display); font-weight: var(--fw-regular);
  font-size: clamp(17px, 1.7vw, 22px); letter-spacing: -0.015em; color: var(--fg-1);
  max-width: 52ch; margin: 0 auto;
}
.cred-line .ch-mark { display: block; margin: 0 auto var(--space-6); height: 22px; width: auto; opacity: 0.8; }

/* ─────────────────────────────────────────────────────────────────────
   10 · CREDIBILITY LOGO STRIP
   ───────────────────────────────────────────────────────────────────── */
.logos { padding: 48px 48px 64px; border-top: 0.5px solid var(--line-on-light); }
.logos-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: var(--space-12); max-width: 1100px; margin: 0 auto;
}
.logo-chip {
  display: inline-flex; align-items: center; justify-content: center;
  height: 46px; padding: 0 var(--space-6);
  border: 0.5px dashed var(--parchment-dark);
  border-radius: var(--radius-2);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-3); opacity: 0.72;
}
.logos-note {
  text-align: center; margin-top: var(--space-7);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3);
}

/* ─────────────────────────────────────────────────────────────────────
   11 · CONTACT
   ───────────────────────────────────────────────────────────────────── */
.contact { background: var(--charcoal); color: var(--parchment); padding: 104px 48px; }
.contact-inner { max-width: 1080px; margin: 0 auto; display: grid; grid-template-columns: 0.85fr 1fr; gap: var(--space-12); align-items: start; }
.contact h2 { font-family: var(--display); font-weight: var(--fw-medium); font-size: var(--fs-display-2); line-height: 1.1; letter-spacing: -0.025em; color: var(--parchment); }
.contact h2 em { font-style: italic; color: var(--lichen); font-weight: var(--fw-medium); }
.contact-intro p { margin-top: var(--space-6); color: rgba(245,242,236,0.72); max-width: 40ch; }
.contact .sec-eyebrow { color: var(--lichen); }
.contact-emails { margin-top: var(--space-9); display: flex; flex-direction: column; gap: var(--space-3); }
.contact-emails a { font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; color: rgba(245,242,236,0.78); }
.contact-emails a:hover { color: var(--parchment); }
.contact-emails .lbl { color: rgba(245,242,236,0.42); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--sans); font-size: var(--fs-label); letter-spacing: var(--ls-label); text-transform: uppercase; color: rgba(245,242,236,0.6); }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 14px; color: var(--parchment);
  background: rgba(245,242,236,0.05); border: 0.5px solid rgba(245,242,236,0.18);
  border-radius: var(--radius-2); padding: 12px 14px; width: 100%;
  transition: border-color var(--dur-base) ease, background var(--dur-base) ease;
}
.field textarea { min-height: 116px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: rgba(245,242,236,0.35); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--lichen); background: rgba(245,242,236,0.08); }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23A8C8A8' stroke-width='1' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 34px; }
.field select option { color: #1A1A18; }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: var(--space-6); margin-top: var(--space-2); flex-wrap: wrap; }
.form-note { font-size: 12px; color: rgba(245,242,236,0.5); }
.contact .btn-submit {
  font-family: var(--sans); font-weight: var(--fw-medium); font-size: var(--fs-label);
  letter-spacing: var(--ls-button); text-transform: uppercase;
  padding: 14px 32px; border-radius: var(--radius-2); border: 0.5px solid transparent;
  background: var(--parchment); color: var(--forest-night); cursor: pointer;
  transition: background var(--dur-base) ease, transform var(--dur-base) ease;
}
.contact .btn-submit:hover { background: var(--white-warm); transform: translateY(-1px); }

/* ─────────────────────────────────────────────────────────────────────
   12 · FOOTER
   ───────────────────────────────────────────────────────────────────── */
.footer { background: var(--forest-night); color: var(--parchment); padding: 72px 48px 36px; }
.footer-grid { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-10); }
.footer-brand img { height: 24px; width: auto; margin-bottom: var(--space-5); }
.footer-brand p { color: rgba(245,242,236,0.6); max-width: 42ch; font-size: 13px; line-height: 1.6; }
.footer-col h5 { font-family: var(--sans); font-weight: var(--fw-medium); font-size: var(--fs-label); letter-spacing: var(--ls-label); text-transform: uppercase; color: rgba(245,242,236,0.5); margin-bottom: var(--space-5); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a, .footer-contact a, .footer-contact span { color: rgba(245,242,236,0.78); font-size: 13px; }
.footer-col a:hover { color: var(--parchment); }
.footer-contact { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-contact .addr { color: rgba(245,242,236,0.6); font-size: 13px; line-height: 1.6; }
.footer-bottom { max-width: 1240px; margin: 56px auto 0; padding-top: var(--space-6); border-top: 0.5px solid var(--line-on-dark); display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); flex-wrap: wrap; }
.footer-bottom, .footer-bottom a { font-size: 12px; color: rgba(245,242,236,0.5); }
.footer-bottom a:hover { color: var(--parchment); }
.footer-bottom .links { display: flex; gap: var(--space-6); }

/* ─────────────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav { padding: 16px 28px; }
  .nav-links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; gap: 0;
    background: var(--parchment); border-bottom: 0.5px solid var(--line-on-light);
    padding: var(--space-4) 28px var(--space-7); margin: 0;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity var(--dur-base) ease, transform var(--dur-base) ease; }
  .nav.open .nav-links { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links li { width: 100%; border-bottom: 0.5px solid var(--line-on-light); }
  .nav-links a { display: block; padding: 14px 0; }
  .nav-burger { display: flex; }
  .nav.open .nav-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav.open .nav-burger span:nth-child(2) { opacity: 0; }
  .nav.open .nav-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero { grid-template-columns: 1fr; gap: var(--space-9); padding: 56px 28px 64px; }
  .hero-media { aspect-ratio: 16 / 11; }
  .sec { padding: 72px 28px; }
  .bar { grid-template-columns: 1fr; gap: var(--space-7); padding: 40px 0; }
  .bar-media { aspect-ratio: 16 / 9; }
  .boxes-grid { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: var(--space-9); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .nav { padding: 16px 18px; }
  .nav-logo img { height: 22px; }
  .nav-cta { padding: 10px 15px; }
  .boxes-grid { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .anchor h2 .sep { display: block; padding: 0; }
}

/* ─────────────────────────────────────────────────────────────────
   4 · 5 — PROBLEM / SOLUTION — Oversized Index layout
   Density driven by body[data-oi-density]; default = compact.
   ───────────────────────────────────────────────────────────────── */
:root {
  --oi-media-w: 280px;
  --oi-media-h: 210px;
  --oi-row-pad: 28px;
  --oi-num-size: 64px;
  --oi-gap: 48px;
}
body[data-oi-density="comfortable"] { --oi-media-w: 320px; --oi-media-h: 300px; --oi-row-pad: 40px; --oi-num-size: 84px; --oi-gap: 56px; }
body[data-oi-density="spacious"]    { --oi-media-w: 360px; --oi-media-h: 380px; --oi-row-pad: 52px; --oi-num-size: 104px; --oi-gap: 64px; }

.oi-list { max-width: 1240px; margin: 0 auto; }
.oi-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--oi-gap);
  align-items: center; padding: var(--oi-row-pad) 0;
  border-top: 0.5px solid var(--line-on-light); position: relative;
}
.oi-row:last-child { border-bottom: 0.5px solid var(--line-on-light); }
.oi-row:nth-child(even) { grid-template-columns: 1fr 1fr; }
.oi-row:nth-child(even) .oi-text { order: 2; }
.oi-row:nth-child(even) .oi-media { order: 1; }
.oi-text { display: grid; grid-template-columns: auto 1fr; column-gap: 28px; align-items: start; }
.oi-num {
  font-family: var(--display); font-weight: var(--fw-light);
  font-size: var(--oi-num-size); line-height: 0.8; letter-spacing: -0.04em;
  color: transparent; -webkit-text-stroke: 1px var(--mid-forest);
  align-self: start; transition: font-size var(--dur-base) ease;
}
body[data-oi-num="solid"] .oi-num { color: var(--parchment-dark); -webkit-text-stroke: 0; }
.sec--solution body[data-oi-num="solid"] .oi-num,
body[data-oi-num="solid"] .sec--solution .oi-num { color: #D6D2C7; }
.oi-copy { padding-top: 4px; min-width: 0; }
.oi-title {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: clamp(24px, 2.6vw, 36px); line-height: 1.05; letter-spacing: -0.03em;
  color: var(--forest-night); margin-bottom: 14px; text-wrap: balance;
}
.oi-body { font-family: var(--sans); font-size: 14px; line-height: 1.65; color: var(--fg-2); max-width: 46ch; }
.oi-media { height: var(--oi-media-h); position: relative; transition: height var(--dur-base) ease; }
.oi-media .ph-slot, .oi-media image-slot { position: absolute; inset: 0; }

@media (max-width: 880px) {
  .oi-row, .oi-row:nth-child(even) { grid-template-columns: 1fr; gap: var(--space-6); }
  .oi-row:nth-child(even) .oi-text { order: 1; }
  .oi-row:nth-child(even) .oi-media { order: 2; }
  .oi-media { height: 240px; }
  .oi-text { column-gap: 20px; }
}

/* ── Section heads (Problem / Solution) ───────────────────────────── */
.sec-head { max-width: 1240px; margin: 0 auto var(--space-9); }
.sec-head .sec-eyebrow { margin-bottom: 16px; }
.sec-title {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: var(--fs-display-2); line-height: 1.06; letter-spacing: -0.025em;
  color: var(--forest-night); max-width: 20ch; text-wrap: balance;
}
.sec-title em { font-style: italic; font-weight: var(--fw-medium); color: var(--mid-forest); }

/* Solution heading — switchable designs via body[data-sol-head] */
/* default = "stacked" (kicker above a large left-aligned heading) */
body[data-sol-head="centered"] .sec-head--solution { text-align: center; }
body[data-sol-head="centered"] .sec-head--solution .sec-eyebrow { justify-content: center; }
body[data-sol-head="centered"] .sec-head--solution .sec-title { margin-left: auto; margin-right: auto; max-width: 22ch; }
body[data-sol-head="oversized"] .sec-head--solution .sec-title {
  font-size: clamp(40px, 5.4vw, 76px); line-height: 0.98; max-width: 13ch; letter-spacing: -0.035em;
}

/* ─────────────────────────────────────────────────────────────────
   6 — INSIDE THE MATERIAL — Spec Cards
   ───────────────────────────────────────────────────────────────── */
.sc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1240px; margin: 0 auto; }
.sc-card {
  display: flex; flex-direction: column; color: inherit;
  border: 0.5px solid var(--line-on-light); border-radius: var(--radius-4);
  padding: 22px 20px 20px; background: var(--parchment);
  transition: transform var(--dur-base) ease, background var(--dur-base) ease, border-color var(--dur-base) ease;
}
.sc-card:hover { transform: translateY(-3px); background: #EEEAE0; border-color: rgba(45,90,46,0.3); }
.sc-swatch {
  width: 100%; aspect-ratio: 3/2; border-radius: var(--radius-2); margin-bottom: 18px;
  background: var(--parchment-mid); position: relative; overflow: hidden;
}
.sc-swatch .ph-slot, .sc-swatch image-slot { position: absolute; inset: 0; }
.sc-kick { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; color: var(--mid-forest); margin-bottom: 12px; }
.sc-label {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: 18px; line-height: 1.1; letter-spacing: -0.015em; color: var(--forest-night); margin-bottom: 9px;
}
.sc-sub { font-family: var(--sans); font-size: 12.5px; line-height: 1.55; color: var(--fg-2); flex: 1; }
.sc-arrow {
  margin-top: 18px; font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fourier-green);
  display: inline-flex; align-items: center; gap: 8px; transition: gap var(--dur-base) ease;
}
.sc-arrow::after { content: '→'; }
.sc-card:hover .sc-arrow { gap: 13px; }

@media (max-width: 880px) { .sc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .sc-grid { grid-template-columns: 1fr; } }

/* ─────────────────────────────────────────────────────────────────
   CHAPTER SECTION HEADERS — strong, numbered section identity
   ───────────────────────────────────────────────────────────────── */
.chapter {
  max-width: 1240px; margin: 0 auto var(--space-10);
  display: block;
}
.chapter-no { display: none; }
.chapter-kicker {
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-micro); letter-spacing: var(--ls-label-wide); text-transform: uppercase;
  color: var(--mid-forest); display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.chapter-kicker::before { content: ''; width: 24px; height: 0.5px; background: currentColor; }
.chapter-title {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: var(--fs-display-2); line-height: 1.05; letter-spacing: -0.025em;
  color: var(--forest-night); max-width: 20ch; text-wrap: balance;
}
.chapter-title em { font-style: italic; font-weight: var(--fw-medium); color: var(--mid-forest); }
.chapter-lead { margin-top: 18px; font-family: var(--sans); font-size: 16px; line-height: 1.6; color: var(--fg-2); max-width: 54ch; }
@media (max-width: 680px) { .chapter { grid-template-columns: 1fr; gap: 10px; } .chapter-no { padding-top: 0; } }

/* ─────────────────────────────────────────────────────────────────
   DARK SECTION — The Challenge (problem narrative = dark, on-brand)
   ───────────────────────────────────────────────────────────────── */
.sec--dark { background: var(--forest-night); color: var(--parchment); }
.sec--dark .chapter-no, .sec--dark .chapter-kicker { color: var(--lichen); }
.sec--dark .chapter-title { color: var(--parchment); }
.sec--dark .chapter-lead { color: rgba(245,242,236,0.72); }
.sec--dark .oi-row { border-color: var(--line-on-dark); }
.sec--dark .oi-title { color: var(--parchment); }
.sec--dark .oi-body { color: rgba(245,242,236,0.66); }
.sec--dark .oi-num { -webkit-text-stroke-color: var(--lichen); }
body[data-oi-num="solid"] .sec--dark .oi-num { color: rgba(245,242,236,0.16); -webkit-text-stroke: 0; }

/* ─────────────────────────────────────────────────────────────────
   SOLUTION — stat-led feature cards (2×2)
   ───────────────────────────────────────────────────────────────── */
.sol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 1240px; margin: 0 auto; }
.sol-card { display: flex; flex-direction: column; }
.sol-media {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  border-radius: var(--radius-2); background: var(--parchment-mid);
}
.sol-media .ph-slot, .sol-media image-slot { position: absolute; inset: 0; }
.sol-badge {
  position: absolute; left: 0; bottom: 0; z-index: 3;
  background: var(--forest-night); color: var(--parchment);
  font-family: var(--mono); font-weight: var(--fw-medium); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase; padding: 9px 14px;
}
.sol-claim {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: 23px; line-height: 1.1; letter-spacing: -0.02em;
  color: var(--forest-night); margin: 20px 0 9px; text-wrap: balance;
}
.sol-body { font-family: var(--sans); font-size: 14px; line-height: 1.6; color: var(--fg-2); max-width: 52ch; }
@media (max-width: 880px) { .sol-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ─────────────────────────────────────────────────────────────────
   ANCHOR — rotating flip statement (motion via body[data-flip])
   ───────────────────────────────────────────────────────────────── */
.anchor { perspective: 900px; }
.anchor .flipper { position: relative; }
.flip-track { position: relative; display: block; height: 1.25em; transform-style: preserve-3d; }
.flip-word {
  position: absolute; left: 0; right: 0; top: 0; white-space: nowrap; opacity: 0;
  transition: transform 0.6s var(--ease-out), opacity 0.5s ease, filter 0.5s ease;
  will-change: transform, opacity;
}
.flip-word.active { opacity: 1; }

/* flip (default) — 3D rotate on X */
body[data-flip="flip"] .flip-word { transform: rotateX(-90deg); transform-origin: center bottom; }
body[data-flip="flip"] .flip-word.active { transform: rotateX(0deg); }
body[data-flip="flip"] .flip-word.leaving { transform: rotateX(90deg); transform-origin: center top; opacity: 0; }

/* roll — slide up */
body[data-flip="roll"] .flip-word { transform: translateY(70%); }
body[data-flip="roll"] .flip-word.active { transform: translateY(0); }
body[data-flip="roll"] .flip-word.leaving { transform: translateY(-70%); opacity: 0; }

/* fade — cross-fade + blur */
body[data-flip="fade"] .flip-word { filter: blur(8px); transform: none; }
body[data-flip="fade"] .flip-word.active { filter: blur(0); }
body[data-flip="fade"] .flip-word.leaving { filter: blur(8px); opacity: 0; }

/* ─────────────────────────────────────────────────────────────────
   BRAND WORDMARK — interim logo treatment (Inter Tight text)
   Used in the nav until the final logo asset is supplied.
   ───────────────────────────────────────────────────────────────── */
.nav-wordmark {
  font-family: var(--display); font-weight: var(--fw-semibold);
  font-size: 22px; line-height: 1; letter-spacing: -0.03em;
  color: var(--forest-night);
}
.nav.scrolled .nav-wordmark { color: var(--forest-night); }

/* ─────────────────────────────────────────────────────────────────
   BELT — auto-advancing horizontal carousel (Challenge / Solution)
   One item per view, slides horizontally, auto-advances, pauses on
   hover + touch, with arrow + dot controls and pointer-drag.
   ───────────────────────────────────────────────────────────────── */
.belt { max-width: 1240px; margin: 0 auto; position: relative; }
.belt-viewport { overflow: hidden; }
.belt-track {
  display: flex; transition: transform 0.7s var(--ease-out);
  will-change: transform; touch-action: pan-y;
}
.belt.dragging .belt-track { transition: none; cursor: grabbing; }
.belt-slide { flex: 0 0 100%; min-width: 0; padding: 6px 2px 2px; }
.belt-pane { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.belt-media { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-2); overflow: hidden; background: var(--parchment-mid); }
.belt-media .ph-slot, .belt-media image-slot { position: absolute; inset: 0; }

.belt-controls { display: flex; align-items: center; gap: 22px; max-width: 1240px; margin: 40px auto 0; }
.belt-arrow {
  flex-shrink: 0; width: 46px; height: 46px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--fourier-green);
  border: 0.5px solid rgba(45,90,46,0.30); border-radius: var(--radius-2);
  font-size: 16px; cursor: pointer; line-height: 1;
  transition: border-color var(--dur-base) ease, color var(--dur-base) ease, background var(--dur-base) ease;
}
.belt-arrow:hover { border-color: var(--fourier-green); color: var(--forest-night); background: rgba(45,90,46,0.05); }
.belt-progress { flex: 1; display: flex; gap: 10px; }
.belt-dot {
  flex: 1; height: 3px; background: var(--line-on-light);
  border: 0; padding: 0; cursor: pointer; position: relative; overflow: hidden; border-radius: 2px;
  transition: background var(--dur-base) ease;
}
.belt-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--mid-forest); }
.belt-dot.active .belt-fill { background: var(--fourier-green); }
.belt-count { flex-shrink: 0; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--mid-forest); }

/* dark-section variant (if a belt ever sits on forest) */
.sec--dark .belt-arrow { color: var(--lichen); border-color: rgba(245,242,236,0.25); }
.sec--dark .belt-dot { background: var(--line-on-dark); }
.sec--dark .belt-fill { background: var(--lichen); }

@media (max-width: 880px) {
  .belt-pane { grid-template-columns: 1fr; gap: 24px; }
  .belt-pane.media-first .belt-media { order: -1; }
  .belt-media { aspect-ratio: 16 / 10; }
  .belt-controls { gap: 14px; }
}

/* ─────────────────────────────────────────────────────────────────
   ANCHOR — paired statements across a centered hairline (Option A)
   ───────────────────────────────────────────────────────────────── */
.anchor--paired {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 56px; text-align: left;
  padding: 72px 56px;
}
.anchor--paired .ax {
  font-family: var(--display); font-weight: var(--fw-medium);
  letter-spacing: -0.025em; line-height: 1.05; margin: 0;
  font-size: clamp(28px, 3.4vw, 40px); color: var(--forest-night);
}
.anchor--paired .ax.r { text-align: right; }
.anchor--paired .ax .it { font-style: italic; font-weight: var(--fw-regular); color: var(--mid-forest); }
.anchor--paired .ax-rule { width: 0.5px; align-self: stretch; background: rgba(90,140,90,0.5); }
@media (max-width: 760px) {
  .anchor--paired { grid-template-columns: 1fr; gap: 18px; text-align: center; padding: 56px 28px; }
  .anchor--paired .ax.r { text-align: center; }
  .anchor--paired .ax-rule { width: 56%; height: 0.5px; justify-self: center; align-self: auto; }
}

/* ─────────────────────────────────────────────────────────────────
   CHALLENGE / SOLUTION — static split (image + point list, both hovers)
   Replaces the auto-advancing belt. Challenge: image left. Solution:
   image right (.cs--mirror). Hover lifts the image scrim + zoom AND
   tints/nudges the list rows.
   ───────────────────────────────────────────────────────────────── */
.cs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  align-items: stretch; max-width: 1240px; margin: 0 auto;
}
.cs--mirror .cs-media { order: 2; }
.cs--mirror .cs-list  { order: 1; }
.cs-media {
  position: relative; overflow: hidden; border-radius: var(--radius-2);
  background: var(--parchment-mid); min-height: 460px;
}
.cs-media img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block; transition: transform 0.6s var(--ease-out);
}
.cs-scrim {
  position: absolute; inset: 0; pointer-events: none; opacity: 1;
  background: linear-gradient(to top, rgba(26,58,27,0.28), rgba(26,58,27,0) 55%);
  transition: opacity var(--dur-slow) var(--ease-out);
}
.cs-media.hover-img:hover img { transform: scale(1.04); }
.cs-media.hover-img:hover .cs-scrim { opacity: 0.55; }
.cs-badge {
  position: absolute; left: 0; bottom: 0; z-index: 3;
  background: var(--forest-night); color: var(--parchment);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 9px 14px;
}
.cs-list { display: flex; flex-direction: column; justify-content: center; }
.cs-row {
  display: grid; grid-template-columns: 36px 1fr; gap: 18px;
  padding: 22px 16px; border-top: 0.5px solid var(--line-on-light);
  border-radius: var(--radius-2);
  transition: background var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.cs-row:last-child { border-bottom: 0.5px solid var(--line-on-light); }
.cs-num { font-family: var(--mono); font-size: 12px; color: var(--mid-forest); padding-top: 3px; }
.cs-rt {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: 19px; letter-spacing: -0.01em; color: var(--forest-night); margin: 0 0 5px;
}
.cs-rb { font-family: var(--sans); font-size: 13.5px; line-height: 1.6; color: var(--fg-2); margin: 0; }
.cs-list.hover-rows .cs-row:hover { background: var(--parchment-mid); transform: translateX(4px); }
.cs--mirror .cs-list.hover-rows .cs-row:hover { transform: translateX(-4px); }
.sec--solution .cs-list.hover-rows .cs-row:hover { background: #E4E2D6; }
/* Option B header — bigger title carries the space above the split */
.cs-title { font-size: clamp(34px, 4vw, 52px); max-width: 26ch; }
.cs-lead { max-width: 60ch; }
@media (max-width: 880px) {
  .cs, .cs--mirror { grid-template-columns: 1fr; gap: 28px; }
  .cs--mirror .cs-media, .cs--mirror .cs-list { order: 0; }
  .cs-media { min-height: 280px; }
  .cs--mirror .cs-list.hover-rows .cs-row:hover { transform: translateX(4px); }
}


/* ─────────────────────────────────────────────────────────────────
   FOURIER WORDMARK — inline logo mark used inside headings
   ───────────────────────────────────────────────────────────────── */
.fourier-mark { height: 0.82em; width: auto; vertical-align: -0.1em; display: inline-block; margin: 0 0.02em; }