:root {
  --ink: #171a18;
  --ink-soft: #303633;
  --muted: #5d665f;
  --paper: #f4f2ec;
  --paper-2: #ebe7dc;
  --white: #fffdfa;
  --line: #cfcec5;
  --line-dark: #45564a;
  --accent: #506859;
  --dark: #182b22;
  --shell: 1220px;
  --pad: clamp(22px, 4vw, 56px);
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 104px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 5px; }
::selection { background: #cad8d1; color: var(--ink); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 6px; }
main:focus { outline: none; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2 { text-wrap: balance; }
.shell { width: min(calc(100% - var(--pad) * 2), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; padding: 12px 18px; background: var(--white); }
.skip-link:focus { top: 16px; }

/* Quiet navigation stays legible over every section. */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.nav-shell { min-height: 88px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; justify-self: start; gap: 15px; min-height: 44px; text-decoration: none; font-weight: 700; letter-spacing: .21em; font-size: .85rem; }
.brand-mark { display: block; flex: 0 0 auto; width: 36px; height: 40px; background: currentColor; mask: url("assets/fourmere-mark.svg") center / contain no-repeat; font-size: 0; }
nav { display: flex; gap: 30px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: .84rem; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.nav-cta { justify-self: end; display: inline-flex; gap: 16px; align-items: center; min-height: 44px; font-size: .84rem; text-decoration: none; }
.nav-cta:hover .nav-label { text-decoration: underline; }
.nav-label-mobile { display: none; }

.hero { padding: 64px 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 64px; align-items: center; }
.kicker { margin: 0 0 25px; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: .69rem; font-weight: 700; line-height: 1.6; }
.hero h1, .section h2, .relationship-block h2, .contact-section h2, .privacy-page h1 { font-family: var(--serif); font-weight: 400; letter-spacing: -.05em; }
.hero h1 { font-size: clamp(3.3rem, 4.6vw, 4.15rem); line-height: 1.06; margin: 0; text-wrap: initial; }
.hero h1 em { display: block; font-weight: 400; color: var(--accent); }
.hero-copy { font-size: 1.0625rem; max-width: 590px; color: var(--ink-soft); margin: 32px 0 0; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 22px; text-decoration: none; font-size: .82rem; font-weight: 600; border: 1px solid var(--ink); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:focus-visible { outline-color: var(--ink); }
.button-dark:hover { background: var(--accent); border-color: var(--accent); }
.button-ghost { border-color: transparent; padding-inline: 14px; text-decoration: underline; }
.button-ghost:hover { background: var(--paper-2); }

.signal-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.signal-grid span { padding: 23px 12px; text-align: center; font-size: .64rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.signal-grid span + span { border-left: 1px solid var(--line); }

.section { padding: 112px 0; }
.section-warm { background: var(--paper-2); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 90px; align-items: end; margin-bottom: 54px; }
.section-heading h2 { font-size: clamp(2.7rem, 4.2vw, 3.9rem); line-height: 1.08; margin: 0; }
.section-heading > p { color: var(--muted); font-size: .9375rem; margin: 0 0 4px; line-height: 1.75; max-width: 470px; }
.principle-list { border-top: 1px solid var(--ink); }
.principle-row { display: grid; grid-template-columns: 65px 1fr 1.1fr; gap: 35px; align-items: baseline; padding: 31px 0; border-bottom: 1px solid var(--line); }
.number { font-family: monospace; font-size: .75rem; color: var(--accent); }
.principle-row h3 { margin: 0; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; line-height: 1.25; letter-spacing: -.025em; }
.principle-row p { margin: 0; color: var(--muted); max-width: 470px; font-size: .9375rem; }

.relationship-block { background: var(--dark); color: var(--paper); padding: 104px 0; }
.relationship-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 110px; align-items: center; }
.kicker-light { color: #b4c6b6; }
.relationship-copy h2 { font-size: clamp(2.6rem, 3.8vw, 3.5rem); line-height: 1.12; margin: 0 0 28px; }
.relationship-copy > p:not(.kicker) { color: #bec9c3; font-size: .9375rem; max-width: 480px; }
.inline-link { display: inline-flex; gap: 20px; align-items: center; min-height: 44px; margin-top: 18px; font-size: .82rem; }
.inline-link:hover { text-decoration-thickness: 2px; }

.about-heading { display: block; margin-bottom: 52px; }
.about-heading h2 { max-width: 760px; }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 110px; }
.about-lead p { margin: 0 0 24px; color: var(--muted); font-size: 1rem; line-height: 1.8; }
.about-lead p:first-child { font-family: var(--serif); font-size: 1.9rem; line-height: 1.35; letter-spacing: -.025em; color: var(--ink); }
.belief-list { border-top: 1px solid var(--ink); }
.belief-list > div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.belief-list strong { display: block; font-size: .875rem; margin-bottom: 5px; }
.belief-list p { margin: 0; color: var(--muted); font-size: .875rem; }

.criteria-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 64px; border-top: 1px solid var(--ink); }
.criteria-grid > div { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 18px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid #c4c0b5; }
.criteria-grid span { font-family: monospace; font-size: .72rem; color: var(--accent); }
.criteria-grid p { margin: 0; font-size: .9375rem; }
.disclaimer { font-size: .8125rem; color: var(--muted); max-width: 700px; margin: 30px 0 0; line-height: 1.75; }

.contact-section { position: relative; isolation: isolate; overflow: hidden; background: #111c16; color: var(--paper); padding: 112px 0; }
.contact-section::before { content: ""; position: absolute; z-index: -1; right: -28px; top: -70px; width: 340px; height: 374px; background: #1a2a20; mask: url("assets/fourmere-mark.svg") center / contain no-repeat; pointer-events: none; }
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: end; }
.contact-section h2 { font-size: clamp(2.8rem, 4.3vw, 4rem); line-height: 1.08; margin: 0; }
.contact-copy p { color: #bec9c3; margin: 0 0 28px; max-width: 440px; font-size: .9375rem; }
.email-link { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 20px 0; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); text-decoration: none; font-family: var(--serif); font-size: clamp(1.25rem, 2.1vw, 1.9rem); letter-spacing: -.025em; }
.email-link:hover { color: #bbd3c0; }
.email-link span { font-family: Arial, sans-serif; font-size: 1.2rem; }
.site-footer { background: #111c16; color: var(--paper); padding: 32px 0; border-top: 1px solid #344439; }
.footer-top { display: flex; justify-content: space-between; gap: 36px; align-items: center; padding-bottom: 36px; }
.footer-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-nav a { color: #c1cbc4; font-size: .8125rem; }
.footer-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; border-top: 1px solid #344439; padding-top: 24px; }
.footer-bottom p { margin: 0; color: #acb9af; font-size: .75rem; line-height: 1.75; max-width: 500px; }

.privacy-page { min-height: 100vh; padding: 80px 0; }
.privacy-page .shell { max-width: 780px; }
.privacy-page h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.1; margin: 44px 0 28px; }
.privacy-page .lead { color: var(--muted); max-width: 640px; }
.privacy-page .kicker { margin-top: 64px; }

@media (max-width: 1100px) {
  .hero-grid { gap: 40px; }
  .hero h1 { font-size: 3.3rem; }
  .section-heading, .relationship-grid, .about-grid, .contact-grid { gap: 54px; }
}
@media (max-width: 980px) {
  .nav-shell { grid-template-columns: 1fr auto; }
  .nav-shell nav { display: none; }
  .hero { padding-top: 72px; }
  .hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px; }
  .hero h1 { font-size: clamp(2.8rem, 5.7vw, 3.5rem); }
  .section-heading { grid-template-columns: 1fr; gap: 26px; }
  .section-heading h2 { max-width: 700px; }
  .section-heading > p { max-width: 600px; }
  .relationship-grid, .about-grid, .contact-grid { gap: 40px; }
  .relationship-copy h2 { font-size: 2.7rem; }
  .signal-grid span { font-size: .6rem; letter-spacing: .06em; }
  .principle-row { grid-template-columns: 34px 1fr 1fr; gap: 24px; }
  .contact-section h2 { font-size: 2.8rem; }
}
@media (max-width: 720px) {
  html { scroll-padding-top: 84px; }
  .nav-shell { min-height: 68px; }
  .brand { font-size: .76rem; }
  .brand-mark { width: 30px; height: 33px; }
  .nav-label { display: none; }
  .nav-label-mobile { display: inline; }
  .nav-cta { gap: 10px; }
  .hero { padding: 48px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { font-size: clamp(2.35rem, 9.6vw, 3.6rem); line-height: 1.08; }
  .hero-copy { margin-top: 24px; font-size: 1rem; }
  .kicker { font-size: .625rem; letter-spacing: .12em; margin-bottom: 22px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid span { padding: 18px 12px; font-size: .61rem; }
  .signal-grid span + span { border-left: 0; }
  .signal-grid span:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section, .relationship-block, .contact-section { padding: 72px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .relationship-copy h2, .contact-section h2 { font-size: clamp(2.3rem, 8.5vw, 3.3rem); line-height: 1.12; }
  .principle-row { grid-template-columns: 26px minmax(0, 1fr); gap: 10px 18px; padding: 25px 0; }
  .principle-row h3 { font-size: 1.5rem; }
  .principle-row p { grid-column: 2; font-size: .9rem; }
  .relationship-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-lead p:first-child { font-size: 1.6rem; }
  .about-lead p:last-child { margin-bottom: 0; }
  .criteria-grid { grid-template-columns: 1fr; }
  .criteria-grid > div { padding: 19px 0; gap: 14px; }
  .criteria-grid p { font-size: .9rem; }
  .contact-copy p { max-width: 100%; }
  .email-link { font-size: clamp(1.3rem, 5.9vw, 1.8rem); }
  .footer-top { display: block; padding-bottom: 22px; }
  .footer-nav { margin-top: 22px; column-gap: 22px; row-gap: 4px; }
  .footer-bottom { grid-template-columns: 1fr; gap: 12px; }
  .privacy-page { padding-top: 36px; }
}
@media (max-width: 480px) {
  .hero-actions { display: grid; gap: 6px; }
  .button { width: 100%; }
}
@media (prefers-contrast: more) {
  :root { --muted: #303633; --accent: #304c3b; --line: #858a81; }
}
@media (forced-colors: active) {
  .button, .trade-details { border: 1px solid CanvasText; }
  .brand-mark { mask: none; background: none; font: 28px Georgia, serif; text-align: center; border: 1px solid currentColor; }
  .contact-section::before { display: none; }
}

/* Local editorial still lifes about product selection and information. */
.hero-image, .relationship-image { margin: 0; min-width: 0; overflow: hidden; background: var(--paper-2); }
.hero-image { width: 100%; aspect-ratio: 4 / 5; }
.hero-image img, .relationship-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.relationship-image { aspect-ratio: 3 / 2; }
.relationship-grid { grid-template-columns: 1fr 1fr; gap: 72px; }
.trade-heading { grid-template-columns: .75fr 1.25fr; gap: 24px 80px; align-items: start; }
.trade-heading > p { max-width: 640px; font-size: 1.2rem; color: var(--ink-soft); }
.trade-heading > .trade-intro { grid-column: 2; font-size: .9375rem; color: var(--muted); }
.subheading { font-family: var(--serif); font-size: 1.8rem; font-weight: 400; line-height: 1.25; letter-spacing: -.025em; margin: 0 0 26px; }
.trade-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; margin-bottom: 64px; }
.trade-benefits article { display: grid; grid-template-columns: 30px 1fr; gap: 8px 18px; border-top: 1px solid var(--line); padding: 26px 0; }
.trade-benefits .number { padding-top: 4px; }
.trade-benefits h4 { margin: 0; font-size: 1.1rem; font-weight: 500; }
.trade-benefits p { grid-column: 2; margin: 0; font-size: .9375rem; color: var(--muted); }
.trade-details { border-block: 1px solid var(--ink); }
.trade-details summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px 0; cursor: pointer; list-style: none; }
.trade-details summary::-webkit-details-marker { display: none; }
.trade-details summary h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.4rem, 2.4vw, 1.8rem); font-weight: 400; line-height: 1.25; letter-spacing: -.025em; }
.trade-details summary:hover h3 { text-decoration: underline; text-underline-offset: 5px; }
.disclosure-icon { position: relative; flex: 0 0 28px; height: 28px; border: 1px solid var(--accent); border-radius: 50%; }
.disclosure-icon::before, .disclosure-icon::after { content: ""; position: absolute; background: currentColor; inset: 12px 7px; }
.disclosure-icon::after { transform: rotate(90deg); }
.trade-details[open] .disclosure-icon::after { display: none; }
.criteria-content { padding-bottom: 28px; }
.criteria-content > p:first-child { color: var(--muted); font-size: .9375rem; margin: 0 0 28px; }
.trade-invitation { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; border-top: 1px solid var(--ink); margin-top: 56px; padding-top: 36px; }
.trade-invitation h3 { font-family: var(--serif); font-size: 2.5rem; font-weight: 400; line-height: 1.15; letter-spacing: -.035em; margin: 0; max-width: 400px; }
.trade-invitation p { margin: 0; font-size: .9375rem; color: var(--muted); }
.trade-invitation .inline-link { margin-top: 12px; }
.trade-invitation .invitation-note { font-size: .8125rem; margin-top: 16px; }
.contact-welcome { max-width: 430px; margin: 24px 0 0; font-size: .9375rem; color: #bec9c3; }
.footer-description { margin: 0 auto 0 16px; font-size: .75rem; color: #acb9af; }
@media (max-width: 980px) {
  .relationship-grid { gap: 40px; }
  .hero-image { min-height: 460px; height: 100%; }
  .trade-heading { grid-template-columns: 1fr; gap: 24px; }
  .trade-heading > .trade-intro { grid-column: 1; }
  .footer-top { flex-wrap: wrap; }
  .footer-description { margin-left: 0; }
}
@media (max-width: 720px) {
  .hero-image { min-height: 0; height: auto; aspect-ratio: 5 / 4; }
  .hero-image img { object-position: 50% 58%; }
  .relationship-grid, .trade-benefits, .trade-invitation { grid-template-columns: 1fr; }
  .relationship-grid { gap: 36px; }
  .trade-heading > p { font-size: 1.1rem; }
  .trade-benefits { margin-bottom: 40px; }
  .trade-invitation { gap: 24px; }
  .trade-invitation h3 { font-size: 2rem; }
  .footer-description { margin-top: 18px; }
}