/* ORAVISTA site styles.
   Layout concept: a spec sheet laid over architecture. Wide margins, a 12 column grid,
   thin rules as structure, and mono "record" type for every number a buyer would verify. */
:root {
  --ink: #1B1A18;        /* near black with a warm stone bias */
  --charcoal: #34322E;
  --stone: #A79C8C;
  --limestone: #E6E1D7;
  --paper: #F5F3EE;      /* warm white */
  --tide: #3E5856;       /* single muted accent, used sparingly */
  --bg: var(--paper);
  --fg: var(--ink);
  --muted: #6B645A;
  --rule: #D5CEC2;
  --panel: #ECE8E0;
  --accent: var(--tide);
  --ok: #3F6B4F; --warn: #8A6A2B; --unk: #7A746B;
  --display: "Marcellus", "Trajan Pro", "Times New Roman", serif;
  --body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --step--1: clamp(0.8rem, 0.78rem + 0.1vw, 0.86rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.45vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.3rem + 0.9vw, 2.1rem);
  --step-3: clamp(2rem, 1.6rem + 1.8vw, 3.2rem);
  --step-4: clamp(2.5rem, 1.8rem + 3.2vw, 4.6rem);
  --wrap: 1180px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #161513; --fg: #EDE9E1; --muted: #A69E92; --rule: #34312C; --panel: #1F1E1B;
  --accent: #8FB3AE; --ok: #8DBB9C; --warn: #D4B271; --unk: #A39C91; color-scheme: dark; } }
:root[data-theme="dark"] {
  --bg: #161513; --fg: #EDE9E1; --muted: #A69E92; --rule: #34312C; --panel: #1F1E1B;
  --accent: #8FB3AE; --ok: #8DBB9C; --warn: #D4B271; --unk: #A39C91; color-scheme: dark; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: var(--step-0); line-height: 1.65; }
img, svg { max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 16px; top: 16px; background: var(--bg); padding: 8px 12px; z-index: 50; }

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.12; text-wrap: balance; margin: 0; letter-spacing: 0.01em; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: 0.02em; }
p { margin: 0; max-width: 65ch; }
.eyebrow { font-family: var(--mono); font-size: var(--step--1); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: var(--step-1); line-height: 1.5; color: var(--fg); opacity: 0.86; max-width: 52ch; }
.prose { display: grid; gap: 1.1em; }
.prose h2 { font-size: var(--step-2); margin-top: 1.2em; }
.prose h3 { margin-top: 0.6em; }
.prose ul { margin: 0; padding-left: 1.2em; display: grid; gap: 0.45em; max-width: 65ch; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); background: var(--bg); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 21; background: var(--bg); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; color: var(--fg); text-decoration: none; }
.brand svg { height: 34px; width: auto; display: block; }
.site-footer .brand svg { height: 40px; }
.nav { display: flex; gap: 26px; align-items: center; font-size: 0.92rem; }
.nav a { text-decoration: none; color: var(--muted); white-space: nowrap; }
.nav a[aria-current="page"], .nav a:hover { color: var(--fg); }
.nav .cta { color: var(--fg); border: 1px solid var(--fg); padding: 8px 14px; }
.lang { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; color: var(--muted); }
.menu-btn { display: none; background: none; border: 1px solid var(--rule); color: var(--fg); font: inherit; padding: 6px 12px; }
@media (max-width: 1120px) {
  .menu-btn { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: flex-start; gap: 16px; background: var(--bg); border-bottom: 1px solid var(--rule); padding: 20px max(20px, env(safe-area-inset-right, 0px)) 24px max(20px, env(safe-area-inset-left, 0px)); }
  .nav.open { display: flex; }
}

/* Sections */
section { padding-block: clamp(56px, 8vw, 104px); }
.rule-top { border-top: 1px solid var(--rule); }
.hero { padding-block: clamp(56px, 9vw, 120px) clamp(40px, 6vw, 80px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: end; }
.hero-grid > * { min-width: 0; }
.hero h1 { margin-block: 18px 22px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-block; font: 500 0.95rem var(--body); letter-spacing: 0.02em; padding: 13px 22px; border: 1px solid var(--fg); background: var(--fg); color: var(--bg); text-decoration: none; cursor: pointer; }
.btn:hover { background: transparent; color: var(--fg); }
.btn.ghost { background: transparent; color: var(--fg); }
.btn.ghost:hover { background: var(--fg); color: var(--bg); }

/* The record: ORAVISTA's signature component */
.record { border: 1px solid var(--fg); background: var(--bg); }
.record-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 18px; border-bottom: 1px solid var(--fg); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; }
.record dl { margin: 0; }
.record .row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto; gap: 12px; align-items: baseline; padding: 11px 18px; border-bottom: 1px solid var(--rule); }
.record .row:last-child { border-bottom: 0; }
.record dt { color: var(--muted); font-size: 0.9rem; }
.record dd { margin: 0; font-family: var(--mono); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.record-foot { padding: 12px 18px; border-top: 1px solid var(--fg); font-size: 0.8rem; color: var(--muted); }
.chip { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 7px; border: 1px solid currentColor; white-space: nowrap; }
.chip.v { color: var(--ok); } .chip.u { color: var(--warn); } .chip.x { color: var(--unk); border-style: dashed; }
@media (max-width: 480px) { .record .row { grid-template-columns: 1fr auto; } .record .row dd { grid-column: 1 / -1; order: 3; } }

/* Grids */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(28px, 5vw, 72px); }
.split > * { min-width: 0; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } }
.qlist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule); }
.qlist li { padding: 18px 18px 18px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 2.2em 1fr; gap: 8px; }
.qlist li span { font-family: var(--mono); color: var(--muted); font-size: 0.8rem; padding-top: 0.25em; }
@media (max-width: 640px) { .qlist { grid-template-columns: 1fr; } }

.bands { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--fg); }
.band { padding: 26px 22px 24px; border-right: 1px solid var(--rule); display: grid; gap: 10px; align-content: start; text-decoration: none; }
.band:last-child { border-right: 0; }
.band:hover { background: var(--panel); color: var(--fg); }
.band .range { font-family: var(--display); font-size: var(--step-2); }
.band p { color: var(--muted); font-size: 0.92rem; }
@media (max-width: 860px) { .bands { grid-template-columns: repeat(2, minmax(0, 1fr)); } .band:nth-child(2) { border-right: 0; } .band:nth-child(-n+2) { border-bottom: 1px solid var(--rule); } }
@media (max-width: 460px) { .bands { grid-template-columns: 1fr; } .band { border-right: 0; border-bottom: 1px solid var(--rule); } .band:last-child { border-bottom: 0; } }

.places { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--fg); }
.place { padding: 28px 24px 30px 0; border-bottom: 1px solid var(--rule); display: grid; gap: 10px; align-content: start; text-decoration: none; position: relative; }
.place + .place { padding-left: 24px; border-left: 1px solid var(--rule); }
.place:nth-child(3n+1) { padding-left: 0; border-left: 0; }
.place .coord { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--muted); }
.place h3 { font-size: var(--step-2); }
.place p { color: var(--muted); font-size: 0.95rem; }
.place .go { font-size: 0.85rem; color: var(--fg); }
.place:hover h3 { color: var(--accent); }
@media (max-width: 860px) { .places { grid-template-columns: 1fr; } .place, .place + .place { padding-left: 0; border-left: 0; } }

/* Guide pages */
.guide-hero { padding-block: clamp(48px, 7vw, 96px) 32px; border-bottom: 1px solid var(--rule); }
.crumbs { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; color: var(--muted); }
.crumbs a { color: inherit; }
.facts { border: 1px solid var(--fg); }
.facts .row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--rule); font-size: 0.92rem; }
.facts .row:last-child { border-bottom: 0; }
.facts .k { color: var(--muted); }
.facts .v { font-family: var(--mono); font-size: 0.86rem; }
.aside-stack { display: grid; gap: 24px; align-content: start; position: sticky; top: 96px; }
@media (max-width: 820px) { .aside-stack { position: static; } }
.note { border-left: 2px solid var(--accent); padding: 4px 0 4px 16px; color: var(--muted); font-size: 0.92rem; }
.sources { font-size: 0.85rem; color: var(--muted); display: grid; gap: 6px; }
.sources ol { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.sources a { word-break: break-word; }

/* Forms */
.form-panel { background: var(--panel); padding: clamp(24px, 4vw, 44px); }
form.lead { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 18px; }
form.lead .full { grid-column: 1 / -1; }
@media (max-width: 560px) { form.lead { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-size: 0.85rem; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--rule); border-radius: 0; padding: 11px 12px; width: 100%; }
input:focus, select:focus, textarea:focus { border-color: var(--fg); outline: none; }
textarea { min-height: 110px; resize: vertical; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 0.82rem; }
.consent input { width: auto; margin-top: 4px; }
.hp { position: absolute; left: -5000px; }
.form-status { font-size: 0.9rem; min-height: 1.4em; }
.form-status.ok { color: var(--ok); } .form-status.err { color: var(--warn); }

/* Filters preview (properties) */
.filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.filters .chk { display: flex; gap: 8px; align-items: center; font-size: 0.9rem; color: var(--fg); }
.filters .chk input { width: auto; }
@media (max-width: 760px) { .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
fieldset { border: 1px solid var(--rule); padding: 18px; margin: 0; }
legend { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding: 0 6px; }

/* Footer */
.site-footer { border-top: 1px solid var(--fg); padding-block: 48px 40px; font-size: 0.9rem; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot-grid > * { min-width: 0; }
.foot-grid h4 { font-family: var(--mono); font-weight: 400; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.foot-grid li { overflow-wrap: anywhere; }
.foot-grid a { text-decoration: none; }
.disclosure { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.8rem; display: grid; gap: 8px; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Motion: one quiet entrance for the record, from a visible resting state */
@media (prefers-reduced-motion: no-preference) {
  .record .row { animation: settle 0.6s ease both; }
  .record .row:nth-child(2) { animation-delay: 0.05s; } .record .row:nth-child(3) { animation-delay: 0.1s; }
  .record .row:nth-child(4) { animation-delay: 0.15s; } .record .row:nth-child(5) { animation-delay: 0.2s; }
  .record .row:nth-child(6) { animation-delay: 0.25s; } .record .row:nth-child(7) { animation-delay: 0.3s; }
  .record .row:nth-child(8) { animation-delay: 0.35s; }
  @keyframes settle { from { transform: translateY(4px); opacity: 0.55; } to { transform: none; opacity: 1; } }
}

/* v2: inspiration round (gold rule, sticky inquiry, pill tools, stat strip, countdown, calculator) */
:root { --gold: #B08D57; }
section .eyebrow::before, .guide-hero .eyebrow::before { content: ""; display: block; width: 28px; height: 1px; background: var(--gold); margin-bottom: 12px; }
.sticky-cta { display: none; }
@media (max-width: 860px) {
  .sticky-cta { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; text-align: center; font: 500 1rem var(--body); text-decoration: none;
    background: var(--fg); color: var(--bg); padding: 14px max(16px, env(safe-area-inset-right, 0px)) calc(14px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
  .sticky-cta:hover { color: var(--bg); }
  body { padding-bottom: 56px; }
}
.pills { display: inline-flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--fg); background: var(--bg); margin-top: 26px; }
.pills a { padding: 11px 18px; text-decoration: none; font-size: .9rem; border-right: 1px solid var(--rule); }
.pills a:last-child { border-right: 0; }
.pills a:hover { background: var(--panel); color: var(--fg); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); gap: 0 24px; }
.stat { border-top: 1px solid var(--fg); padding: 14px 0 18px; display: grid; gap: 6px; align-content: start; }
.stat b { font-family: var(--display); font-weight: 400; font-size: var(--step-2); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat span { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.countdown { border: 1px solid var(--fg); padding: 22px 24px; display: grid; gap: 8px; }
.countdown .days { font-family: var(--display); font-size: var(--step-4); line-height: 1; font-variant-numeric: tabular-nums; }
.countdown .days small { font-family: var(--mono); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-left: 10px; }
.tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 16px; }
.tool { border: 1px solid var(--rule); background: var(--bg); padding: 22px; display: grid; gap: 10px; align-content: start; text-decoration: none; }
.tool:hover { border-color: var(--fg); color: var(--fg); }
.tool .eyebrow::before { display: none; }
.tool h3 { font-size: var(--step-1); }
.tool p { color: var(--muted); font-size: .94rem; }
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
@media (max-width: 760px) { .calc { grid-template-columns: 1fr; } }
.calc form { display: grid; gap: 14px; }
.calc .chk { display: flex; gap: 8px; align-items: center; color: var(--fg); font-size: .92rem; }
.calc .chk input { width: auto; }
.cmp { overflow-x: auto; border: 1px solid var(--fg); }
.cmp table { border-collapse: collapse; width: 100%; min-width: 720px; font-size: .92rem; }
.cmp th, .cmp td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--rule); }
.cmp thead th { font-family: var(--display); font-weight: 400; font-size: 1.15rem; border-bottom: 1px solid var(--fg); background: var(--bg); }
.cmp tbody th { font-family: var(--mono); font-weight: 400; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); width: 18%; }
.cmp td { font-variant-numeric: tabular-nums; }
.snap { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 16px; }

@media print {
  header, footer, .sticky-cta, .pills, .btn, section.rule-top, .form-panel .eyebrow::before { display: none !important; }
  body { padding: 0; background: #fff; color: #000; }
  .calc { grid-template-columns: 1fr 1fr; }
}