:root {
  --paper: #f2efe8;
  --paper-deep: #e6e0d6;
  --ink: #172a2a;
  --muted: #586663;
  --accent: #bd4d32;
  --accent-dark: #8f3421;
  --sage: #9dae9f;
  --dark: #173331;
  --line: rgba(23, 42, 42, 0.17);
  --radius: 1.4rem;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-underline-offset: 0.2em; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-180%);
  background: var(--ink);
  color: white;
  padding: 0.6rem 0.85rem;
  border-radius: 0.5rem;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-weight: 800;
  letter-spacing: 0.065em;
  text-decoration: none;
  line-height: 1;
}
.wordmark span { color: var(--accent); }

nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.25rem); }
nav a { color: var(--muted); font-size: 0.89rem; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.nav-cta { border-bottom: 1px solid currentColor; padding-bottom: 0.15rem; }

.section {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 84px);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  padding-block: 6rem;
}

.eyebrow {
  margin: 0 0 1.35rem;
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3, p { text-wrap: pretty; }
h1, h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.04;
}
h1 { font-size: clamp(3.2rem, 7vw, 6.7rem); letter-spacing: -0.055em; }
h1 em { color: var(--accent); font-weight: 400; }
h2 { font-size: clamp(2.35rem, 4vw, 4.35rem); letter-spacing: -0.04em; }
h3 { line-height: 1.2; }

.hero-lead {
  max-width: 740px;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.5vw, 1.24rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0.72rem 1.2rem;
  font-weight: 720;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, summary:focus-visible, input:focus-visible + span, textarea:focus-visible, .copy-button:focus-visible {
  outline: 3px solid rgba(189, 77, 50, 0.35);
  outline-offset: 3px;
}
.button.primary { background: var(--ink); color: white; }
.button.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button.secondary { background: transparent; }
.button.light { background: var(--paper); color: var(--ink); border-color: var(--paper); }

.status { margin: 2.2rem 0 0; color: var(--muted); font-size: 0.82rem; }
.status span { display: inline-block; width: 0.55rem; height: 0.55rem; margin-right: 0.4rem; border-radius: 50%; background: var(--accent); }

.brand-composition {
  display: grid;
  justify-items: center;
  gap: 1rem;
  width: min(100%, 490px);
  margin-left: auto;
}
.project-image, .project-logo { margin: 0; }
.project-image {
  grid-row: 2;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.75rem;
  background: #faf3e7;
  box-shadow: 0 28px 80px rgba(23, 42, 42, 0.14);
}
.project-image img, .project-logo img { display: block; width: 100%; height: auto; }
.project-logo {
  grid-row: 1;
  width: clamp(140px, 15vw, 180px);
  overflow: hidden;
  border: 0.32rem solid var(--paper);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 10px 28px rgba(23, 42, 42, 0.14);
}
.project-logo img { border-radius: 50%; }
.visual-principle {
  grid-row: 3;
  width: 100%;
  margin: 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
  text-align: center;
}
.visual-principle span { display: block; color: var(--ink); font-family: var(--serif); font-size: 1.04rem; }

.possibilities { padding-block: 8rem; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 0.8fr 1.3fr; column-gap: 4rem; }
.section-heading .eyebrow { grid-column: 1; }
.section-heading h2 { grid-column: 1; max-width: 560px; }
.section-heading > p:last-child { grid-column: 2; grid-row: 2; max-width: 560px; margin: 0.25rem 0 0 auto; color: var(--muted); font-size: 1.05rem; }

.use-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 5rem; }
.use-card { min-height: 360px; padding: 1.65rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,0.18); }
.card-number { color: var(--accent); font-family: var(--serif); font-size: 1rem; }
.use-card h3 { margin: 5.5rem 0 0.8rem; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.use-card p { color: var(--muted); }
.use-card ul { margin: 1.25rem 0 0; padding: 1.1rem 0 0 1.1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }

.simulator {
  display: grid;
  grid-template-columns: 0.8fr 1.1fr;
  gap: clamp(2rem, 7vw, 7rem);
  margin-top: 8rem;
  padding: clamp(2rem, 6vw, 5rem);
  border-radius: calc(var(--radius) * 1.25);
  background: var(--paper-deep);
}
.simulator-intro h2 { font-size: clamp(2.3rem, 4vw, 3.8rem); }
.simulator-intro > p:last-child { color: var(--muted); }
fieldset { margin: 0 0 1.7rem; padding: 0; border: 0; }
legend { margin-bottom: 0.75rem; font-weight: 760; }
.choice-row { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.choice-row label input, .choice-list label input { position: absolute; opacity: 0; pointer-events: none; }
.choice-row label span { display: block; padding: 0.55rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.2); cursor: pointer; }
.choice-row input:checked + span { background: var(--ink); color: white; border-color: var(--ink); }
.choice-list { display: grid; gap: 0.65rem; }
.choice-list label span { display: grid; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 0.85rem; background: rgba(255,255,255,0.2); cursor: pointer; }
.choice-list label small { color: var(--muted); }
.choice-list input:checked + span { border-color: var(--accent); background: rgba(255,255,255,0.55); box-shadow: inset 4px 0 0 var(--accent); }
#interest-form .button { margin-top: 0.25rem; }
.simulator-result { grid-column: 1 / -1; padding: 1.5rem; border-left: 4px solid var(--accent); background: rgba(255,255,255,0.35); }
.result-label { margin: 0; color: var(--accent-dark); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.simulator-result h3 { margin: 0.45rem 0; font-family: var(--serif); font-size: 1.85rem; font-weight: 400; }
.simulator-result p { margin-block: 0.5rem; }
.result-question { color: var(--accent-dark); font-weight: 700; }

.criteria { padding-block: 8rem 4rem; border-top: 1px solid var(--line); }
.criteria-head { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 5rem; align-items: end; }
.criteria-head > p { margin: 0; color: var(--muted); }
.principles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 5rem; background: var(--line); border: 1px solid var(--line); }
.principles-grid article { min-height: 255px; padding: 2rem; background: var(--paper); }
.principles-grid span { color: var(--accent); font-family: var(--serif); }
.principles-grid h3 { max-width: 430px; margin: 3rem 0 0.75rem; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.principles-grid p { max-width: 520px; margin: 0; color: var(--muted); }
.source-note { max-width: 800px; margin: 1.3rem 0 0; color: var(--muted); font-size: 0.78rem; }
.source-note a { color: var(--accent-dark); }

.faq-wrap { display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 5rem; margin-top: 9rem; }
.faq-wrap h2 { font-size: clamp(2.3rem, 4vw, 3.8rem); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 1.35rem 2.5rem 1.35rem 0; font-weight: 740; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0.4rem; top: 1.15rem; color: var(--accent); font-family: var(--serif); font-size: 1.8rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 660px; margin: -0.35rem 0 1.5rem; color: var(--muted); }

.contact-block {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  margin-top: 9rem;
  padding: clamp(2rem, 6vw, 5rem);
  border-radius: calc(var(--radius) * 1.25);
  background: var(--dark);
  color: white;
}
.contact-block .eyebrow { color: #df9c87; }
.contact-block h2 { font-size: clamp(2.25rem, 4vw, 3.8rem); }
.contact-block p { color: rgba(255,255,255,0.72); }
.contact-email { color: white; font-weight: 750; text-underline-offset: 0.2em; }
.contact-action { display: flex; flex-direction: column; align-items: flex-start; }
.contact-form { width: 100%; display: grid; gap: 0.55rem; }
.contact-form label { margin-top: 0.35rem; color: rgba(255,255,255,0.82); font-size: 0.86rem; font-weight: 700; }
.contact-form label span { color: rgba(255,255,255,0.56); font-weight: 500; }
.contact-form input,
.contact-form textarea { width: 100%; padding: 0.85rem 0.9rem; border: 1px solid rgba(255,255,255,0.27); border-radius: 0.8rem; background: rgba(255,255,255,0.09); color: white; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(255,255,255,0.48); }
.contact-form textarea { resize: vertical; min-height: 8rem; }
.contact-form .button { justify-self: start; margin-top: 0.45rem; }
.contact-form .form-note { margin: 0.3rem 0 0; font-size: 0.78rem; line-height: 1.5; }
#contact-status { min-height: 1.4em; margin: 0; font-size: 0.78rem; }

footer {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  gap: 2rem;
  padding-block: 2.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}
footer p { margin: 0; }
footer p:last-child { text-align: right; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .brand-composition { width: min(520px, 95%); margin: 0 auto; }
  .section-heading, .criteria-head, .faq-wrap, .contact-block { grid-template-columns: 1fr; gap: 2rem; }
  .section-heading > p:last-child { grid-column: 1; grid-row: auto; margin: 1rem 0 0; }
  .use-grid { grid-template-columns: 1fr; }
  .use-card { min-height: auto; }
  .use-card h3 { margin-top: 2.5rem; }
  .simulator { grid-template-columns: 1fr; }
  .faq-wrap { margin-top: 7rem; }
  .contact-block { align-items: start; }
  footer { grid-template-columns: 1fr 1fr; }
  footer p:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 640px) {
  .site-header, .section, footer { width: min(100% - 1.5rem, 1180px); }
  .site-header { min-height: 70px; }
  nav > a:not(.nav-cta) { display: none; }
  .hero { padding-block: 4.5rem 5rem; gap: 3.5rem; }
  .project-logo { width: 132px; }
  h1 { font-size: clamp(3rem, 14vw, 4.6rem); }
  .possibilities, .criteria { padding-block: 5.5rem; }
  .use-grid { margin-top: 3rem; }
  .simulator { margin-top: 5rem; padding: 1.25rem; }
  .principles-grid { grid-template-columns: 1fr; margin-top: 3rem; }
  .principles-grid article { min-height: auto; }
  .principles-grid h3 { margin-top: 2rem; }
  .faq-wrap, .contact-block { margin-top: 5.5rem; }
  .contact-block { padding: 1.5rem; }
  .contact-action, .contact-action .button { width: 100%; }
  footer { grid-template-columns: 1fr; gap: 0.8rem; }
  footer p:nth-child(2) { grid-column: auto; grid-row: auto; }
  footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}