:root {
  --ink: #18352e;
  --muted: #64746e;
  --line: #d8e2dc;
  --cream: #f5f7f1;
  --paper: #fbfcf8;
  --olive: #91a894;
  --deep: #102b25;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "DM Sans", sans-serif; color: var(--ink); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.theme-ars { background: var(--cream); }
.selection-shell { width: min(calc(100% - 48px), var(--max)); margin: auto; padding: 38px 0 74px; }
.selection-header, .site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.company-logo { width: 130px; height: 58px; object-fit: contain; mix-blend-mode: multiply; }
.header-note, .preview-label { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.selection-hero { max-width: 730px; padding: 110px 0 56px; }
.eyebrow { margin: 0 0 18px; font-size: .76rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: #658071; }
h1, h2 { font-family: "Playfair Display", serif; font-weight: 500; letter-spacing: -.045em; }
.selection-hero h1 { margin: 0 0 24px; font-size: clamp(3.5rem, 8vw, 7.2rem); line-height: .94; }
.lead { max-width: 580px; margin: 0; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.proposal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.proposal-card { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--paper); transition: transform .25s ease, box-shadow .25s ease; }
.proposal-card:hover { transform: translateY(-5px); box-shadow: 0 18px 45px rgba(21, 54, 43, .12); }
.proposal-preview { position: relative; display: grid; place-items: center; min-height: 285px; }
.preview-light { background: #e2ebe2; }
.preview-dark { background: #1e3931; }
.proposal-preview img { width: 180px; mix-blend-mode: multiply; }
.preview-dark img { mix-blend-mode: screen; }
.preview-label { position: absolute; top: 22px; left: 24px; color: inherit; }
.preview-light .preview-label { color: #5a7465; }
.preview-dark .preview-label { color: #b5cbb9; }
.proposal-copy { padding: 29px 30px 32px; }
.proposal-tag { display: block; margin-bottom: 15px; color: #6a8474; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.proposal-copy h2 { margin: 0 0 14px; font-size: clamp(1.75rem, 3vw, 2.6rem); line-height: 1.04; }
.proposal-copy p { margin: 0 0 25px; color: var(--muted); line-height: 1.65; }
.text-link { font-weight: 700; color: var(--ink); }

.under-construction-page { min-height: 100vh; }
.construction-shell { width: min(calc(100% - 64px), 1240px); min-height: 100vh; margin: auto; display: flex; flex-direction: column; }
.site-header { padding: 34px 0; }
.brand-logo img { width: 135px; height: 55px; object-fit: contain; mix-blend-mode: multiply; }
.back-link { font-size: .82rem; color: var(--muted); }
.construction-hero { flex: 1; display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 10%; padding: 55px 0 90px; }
.construction-copy h1 { max-width: none; margin: 0 0 26px; font-size: clamp(3.8rem, 8vw, 7.7rem); line-height: .94; }
.construction-copy h1 span { color: var(--olive); }
.status-line { display: flex; align-items: center; gap: 11px; margin-top: 38px; font-size: .83rem; font-weight: 700; letter-spacing: .04em; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: #8ca58e; box-shadow: 0 0 0 6px rgba(140, 165, 142, .16); }
.construction-mark { display: grid; place-items: center; min-height: 390px; border-radius: 50%; background: #e0e9df; }
.construction-mark img { width: min(52%, 250px); mix-blend-mode: multiply; }
.page-light .construction-mark { background: transparent; }
.page-light .brand-logo img { width: 200px; height: 82px; }
.page-light .site-header { justify-content: center; }
.page-light .construction-hero { grid-template-columns: 1fr; gap: 42px; }
.page-light .construction-mark { min-height: 280px; }
.page-light .construction-mark img { width: min(55%, 320px); }
.page-light .construction-copy { text-align: center; }
.page-light .construction-copy .lead { margin-left: auto; margin-right: auto; }
.page-light .construction-copy .status-line { justify-content: center; }
.construction-footer { display: flex; justify-content: space-between; padding: 22px 0 30px; border-top: 1px solid var(--line); font-size: .78rem; color: var(--muted); }

.page-dark { color: #eef3ea; background: var(--deep); }
.page-dark .muted, .page-dark .lead, .page-dark .back-link, .page-dark .construction-footer { color: #b6c7bd; }
.page-dark .eyebrow { color: #aec6b2; }
.page-dark .construction-mark { background: #27493d; }
.page-dark .construction-mark img { mix-blend-mode: screen; }
.page-dark .status-line { color: #dce8dd; }
.page-dark .construction-footer { border-color: rgba(216, 232, 220, .2); }
.page-dark .brand-logo img { mix-blend-mode: screen; }

@media (max-width: 760px) {
  .selection-shell { width: min(calc(100% - 32px), var(--max)); padding-top: 24px; }
  .selection-hero { padding: 78px 0 42px; }
  .proposal-grid, .construction-hero { grid-template-columns: 1fr; }
  .construction-shell { width: min(calc(100% - 40px), 1240px); }
  .construction-hero { gap: 48px; padding: 45px 0 70px; }
  .construction-mark { min-height: 270px; }
  .construction-copy h1 { font-size: clamp(3.25rem, 15vw, 5.5rem); }
}

@media (max-width: 460px) {
  .selection-header, .site-header { align-items: flex-start; }
  .header-note { padding-top: 12px; }
  .proposal-copy { padding: 24px; }
  .construction-footer { gap: 14px; flex-direction: column; }
}
