/* PropertyInfo.dev — built on the AtoZ Premium Design System (neutrals, type, spacing, radii,
   borders, states). Product accent: "harbour slate" (--accent-*). No gradients, no glass,
   no stock imagery, no emoji. */
:root {
  --neutral-0: #ffffff; --neutral-25: #fbfaf8; --neutral-50: #f6f4f1; --neutral-100: #efece7;
  --neutral-200: #e2ded8; --neutral-300: #cfcac2; --neutral-400: #a8a29a; --neutral-500: #807b74;
  --neutral-600: #5e5a55; --neutral-700: #423f3b; --neutral-800: #2a2826; --neutral-900: #1a1918; --neutral-950: #0e0e0d;
  --accent-50: #ebf1f4; --accent-100: #d3e1e8; --accent-200: #a9c3cf; --accent-300: #7a9fb0;
  --accent-400: #3f6b80; --accent-500: #1f4d63; --accent-600: #183f52; --accent-700: #123241; --accent-900: #0a1c25;
  --text-strong: var(--neutral-950); --text-body: var(--neutral-800); --text-muted: var(--neutral-600); --text-subtle: var(--neutral-500);
  --surface-page: var(--neutral-25); --surface-card: var(--neutral-0); --surface-sunken: var(--neutral-50); --surface-inverse: var(--neutral-950);
  --border-subtle: var(--neutral-100); --border-default: var(--neutral-200); --border-strong: var(--neutral-300);
  --display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --ui: "Work Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 10px; --radius-xl: 14px;
  --shadow-2: 0 2px 4px rgba(16, 15, 14, .06), 0 1px 1px rgba(16, 15, 14, .04);
  --shadow-4: 0 24px 56px -16px rgba(16, 15, 14, .22), 0 4px 12px rgba(16, 15, 14, .06);
  --gutter: 48px; --wide: 1280px;
  --ease: cubic-bezier(.2, 0, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--surface-page); color: var(--text-body); font: 400 15px/1.6 var(--ui); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--accent-600); text-underline-offset: 3px; }
a:hover { color: var(--accent-700); }
:focus-visible { outline: 2px solid var(--accent-500); outline-offset: 2px; border-radius: 2px; }
.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow { font: 600 11.5px/1.3 var(--ui); letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface-card); padding: 8px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); z-index: 10; }
.skip:focus { left: 16px; }

/* Header */
.top { border-bottom: 1px solid var(--border-default); background: var(--surface-page); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.mark { display: inline-flex; align-items: baseline; gap: 1px; text-decoration: none; color: var(--text-strong); font: 500 22px/1 var(--display); letter-spacing: -.01em; }
.mark span { color: var(--accent-500); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text-body); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav a:hover { color: var(--text-strong); }
.actions { display: flex; gap: 10px; align-items: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: var(--radius-sm);
  font: 500 15px/1 var(--ui); text-decoration: none; border: 1px solid transparent; transition: background-color 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease); white-space: nowrap; }
.btn-primary { background: var(--accent-500); color: #fff; }
.btn-primary:hover { background: var(--accent-600); color: #fff; }
.btn-primary:active { background: var(--accent-700); }
.btn-ghost { background: var(--surface-card); color: var(--text-strong); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-sunken); color: var(--text-strong); }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn-light { background: var(--neutral-25); color: var(--text-strong); }
.btn-light:hover { background: var(--neutral-100); color: var(--text-strong); }
.btn-outline-light { color: var(--neutral-25); border-color: var(--neutral-700); }
.btn-outline-light:hover { border-color: var(--neutral-500); color: #fff; }

/* Hero */
.hero { padding: 96px 0 88px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.hero h1 { font: 400 clamp(44px, 6.2vw, 80px)/1.03 var(--display); letter-spacing: -.02em; color: var(--text-strong); margin: 18px 0 22px; }
.hero h1 em { font-style: italic; color: var(--accent-600); }
.lead { font-size: 19px; line-height: 1.6; color: var(--text-muted); max-width: 46ch; margin: 0 0 32px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--text-subtle); }

/* Illustrative portal mock (pure HTML/CSS, synthetic) */
.mock { margin: 0; background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-lg); box-shadow: var(--shadow-4); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border-subtle); background: var(--surface-sunken); }
.mock-dot { width: 9px; height: 9px; border-radius: 999px; background: var(--neutral-300); }
.mock-url { margin-left: 10px; flex: 1; height: 24px; border-radius: 999px; background: var(--neutral-0); border: 1px solid var(--border-default); font: 12px/22px var(--mono); color: var(--text-subtle); padding: 0 12px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.mock-body { display: grid; grid-template-columns: 150px minmax(0, 1fr); min-height: 360px; }
.mock-side { border-right: 1px solid var(--border-subtle); padding: 18px 14px; display: flex; flex-direction: column; gap: 4px; }
.mock-side b { font: 500 16px/1.2 var(--display); color: var(--text-strong); margin-bottom: 14px; }
.mock-side span { font-size: 12.5px; color: var(--text-muted); padding: 6px 8px; border-radius: var(--radius-sm); }
.mock-side span.on { background: var(--accent-50); color: var(--accent-700); font-weight: 500; }
.mock-main { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.mock-map { position: relative; height: 190px; border-radius: var(--radius-md); background: var(--accent-50); border: 1px solid var(--accent-100); overflow: hidden; }
.mock-map svg { width: 100%; height: 100%; }
.mock-tag { position: absolute; left: 12px; top: 12px; background: var(--surface-card); border: 1px solid var(--border-default); border-radius: 999px; padding: 3px 10px; font-size: 11.5px; color: var(--text-muted); }
.mock-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.mock-card { border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 10px 12px; }
.mock-card small { display: block; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-subtle); }
.mock-card strong { display: block; margin-top: 4px; font: 500 14px/1.2 var(--ui); color: var(--text-strong); }
.mock-doc { display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 10px 12px; font-size: 12.5px; }
.mock-doc em { font-style: normal; color: var(--text-subtle); font-size: 11.5px; }
.mock-caption { padding: 10px 16px; border-top: 1px solid var(--border-subtle); font-size: 11.5px; color: var(--text-subtle); background: var(--surface-sunken); }

/* Strip */
.strip { border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); background: var(--surface-card); }
.strip ul { list-style: none; margin: 0 auto; padding: 22px var(--gutter); max-width: var(--wide); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.strip li { font-size: 14px; color: var(--text-body); display: flex; gap: 10px; align-items: baseline; }
.strip li::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--accent-500); flex: none; transform: translateY(-2px); }

/* Sections */
.section { padding: 112px 0; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head h2 { font: 400 clamp(34px, 4.2vw, 52px)/1.08 var(--display); letter-spacing: -.02em; color: var(--text-strong); margin: 14px 0 16px; }
.section-head p { font-size: 17px; color: var(--text-muted); margin: 0; max-width: 60ch; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.feature { background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 32px; }
.feature .num { font: 400 15px/1 var(--mono); color: var(--accent-500); }
.feature h3 { font: 400 28px/1.15 var(--display); letter-spacing: -.012em; color: var(--text-strong); margin: 18px 0 12px; }
.feature p { margin: 0 0 16px; color: var(--text-muted); }
.feature ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--border-subtle); }
.feature li { padding: 10px 0; border-bottom: 1px solid var(--border-subtle); font-size: 14px; }
.feature li:last-child { border-bottom: 0; padding-bottom: 0; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--border-strong); counter-reset: s; }
.step { padding: 28px 32px 0 0; }
.step + .step { padding-left: 32px; border-left: 1px solid var(--border-default); }
.step::before { counter-increment: s; content: "0" counter(s); font: 400 44px/1 var(--display); color: var(--accent-300); display: block; margin-bottom: 20px; }
.step h3 { font: 600 17px/1.3 var(--ui); color: var(--text-strong); margin: 0 0 8px; }
.step p { margin: 0; color: var(--text-muted); }

/* Security (inverse) */
.dark { background: var(--surface-inverse); color: var(--neutral-200); }
.dark .eyebrow { color: var(--neutral-400); }
.dark .section-head h2 { color: var(--neutral-25); }
.dark .section-head p { color: var(--neutral-400); }
.sec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--neutral-800); border: 1px solid var(--neutral-800); border-radius: var(--radius-md); overflow: hidden; }
.sec { background: var(--surface-inverse); padding: 28px; }
.sec h3 { font: 500 16px/1.35 var(--ui); color: var(--neutral-25); margin: 0 0 8px; }
.sec p { margin: 0; font-size: 14px; color: var(--neutral-400); }

/* Audience */
.aud { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.aud div { border-top: 2px solid var(--text-strong); padding-top: 16px; }
.aud h3 { font: 400 22px/1.2 var(--display); color: var(--text-strong); margin: 0 0 8px; }
.aud p { margin: 0; font-size: 14px; color: var(--text-muted); }

/* Closing CTA */
.close { padding: 96px 0; border-top: 1px solid var(--border-default); }
.close .wrap { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.close h2 { font: 400 clamp(32px, 4vw, 48px)/1.1 var(--display); letter-spacing: -.02em; color: var(--text-strong); margin: 12px 0 10px; max-width: 18ch; }
.close p { margin: 0; color: var(--text-muted); max-width: 52ch; }

/* Footer */
.foot { border-top: 1px solid var(--border-default); padding: 32px 0 40px; font-size: 13px; color: var(--text-subtle); }
.foot .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot a { color: var(--text-muted); }

/* Sign-in page */
.panel-page { min-height: calc(100vh - 72px - 110px); display: grid; place-items: center; padding: 72px 0; }
.panel { width: min(560px, 100%); background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-lg); padding: 40px; }
.panel h1 { font: 400 40px/1.1 var(--display); letter-spacing: -.02em; color: var(--text-strong); margin: 14px 0 14px; }
.panel p { color: var(--text-muted); margin: 0 0 16px; }
.panel ol { margin: 8px 0 24px; padding-left: 20px; color: var(--text-body); }
.panel ol li { margin: 8px 0; }
.panel .note { background: var(--surface-sunken); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 14px 16px; font-size: 14px; color: var(--text-muted); margin: 0; }
.mono { font-family: var(--mono); font-size: 13px; }

/* Responsive */
@media (max-width: 1100px) {
  .aud { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  :root { --gutter: 32px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 48px; }
  .nav { display: none; }
}
@media (max-width: 768px) {
  :root { --gutter: 16px; }
  .top .wrap { height: 64px; }
  .actions .btn-primary { display: none; }
  .hero { padding: 56px 0 64px; }
  .lead { font-size: 17px; }
  .cta .btn { flex: 1 1 100%; min-height: 48px; }
  .section { padding: 72px 0; }
  .grid-2, .steps, .sec-grid { grid-template-columns: 1fr; }
  .step { padding: 24px 0; }
  .step + .step { padding-left: 0; border-left: 0; border-top: 1px solid var(--border-default); }
  .strip ul { grid-template-columns: 1fr 1fr; gap: 14px 16px; }
  .aud { grid-template-columns: 1fr; gap: 20px; }
  .feature { padding: 24px; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .mock-row { grid-template-columns: 1fr 1fr; }
  .mock-row .mock-card:nth-child(3) { display: none; }
  .panel { padding: 28px 22px; }
  .panel h1 { font-size: 34px; }
  .close .btn { flex: 1 1 100%; min-height: 48px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.section[data-tight] { padding-top: 0; }
.center-wrap { width: 100%; display: grid; place-items: center; }