/* stonebridge-systems.org — light maroon identity from the Stonebridge banner:
   warm off-white ground, maroon #6B1D2A, towers mark, Oswald wordmark, Montserrat text. */

@font-face { font-family: "Oswald"; src: url("/fonts/oswald-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Oswald"; src: url("/fonts/oswald-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("/fonts/montserrat-latin-300-normal.woff2") format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("/fonts/montserrat-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("/fonts/montserrat-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --bg: #F9F7F5;
  --surface: #FFFFFF;
  --tint: #F2EDE8;
  --ink: #1A1A1A;
  --text: #3A3A3A;
  --muted: #6B6B6B;
  --line: #E6E0DA;
  --maroon: #6B1D2A;
  --maroon-2: #8B2E3A;
  --maroon-line: rgba(107, 29, 42, 0.28);
  --danger: #A11222;
  --font-display: "Oswald", Impact, "Arial Narrow", sans-serif;
  --font-body: "Montserrat", "Ubuntu", system-ui, sans-serif;
  --max: 1160px;
  --pad-x: clamp(20px, 5vw, 56px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.65 var(--font-body); }
/* The banner's maroon edge bar, fixed to the left of every page */
body::before {
  content: ""; position: fixed; left: 0; top: 0; bottom: 0; width: 6px; z-index: 20;
  background: linear-gradient(180deg, var(--maroon), var(--maroon-2), var(--maroon));
}
img, svg { display: block; max-width: 100%; }
a { color: var(--maroon); text-underline-offset: 3px; }
a:hover { color: var(--maroon-2); }
:focus-visible { outline: 2px solid var(--maroon); outline-offset: 3px; }
h1, h2, h3, p, ul { margin: 0; }
.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--pad-x); }
.skip { position: absolute; left: 16px; top: -100px; background: var(--surface); padding: 8px 12px; z-index: 30; }
.skip:focus { top: 8px; }

/* Wordmark lockup: towers + STONEBRIDGE / rule / SYSTEMS */
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand img { width: auto; height: 42px; }
.wm { display: inline-flex; flex-direction: column; align-items: flex-start; }
.wm-name { font: 700 23px/1 var(--font-display); letter-spacing: 1.5px; }
.wm-name .stone { color: var(--maroon); }
.wm-rule { width: 100%; height: 2px; margin: 4px 0 3px; background: linear-gradient(90deg, var(--maroon), rgba(139, 46, 58, 0.2)); }
.wm-sub { font: 300 10px/1 var(--font-body); letter-spacing: 0.55em; color: #707070; text-transform: uppercase; }

/* Header */
.site-header { background: rgba(249, 247, 245, 0.92); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: saturate(1.2) blur(8px); }
.site-header .wrap { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav { display: flex; gap: 28px; }
.nav a { font: 600 12px/1 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--maroon); }

/* Shared type */
.eyebrow { display: flex; align-items: center; gap: 14px; font: 600 12px/1.2 var(--font-body); letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); }
.eyebrow::before { content: ""; width: 32px; height: 2px; flex: none; background: linear-gradient(90deg, var(--maroon), rgba(139, 46, 58, 0.25)); }
h2 { font: 500 clamp(30px, 3.6vw, 42px)/1.1 var(--font-display); letter-spacing: 0.02em; text-transform: uppercase; color: var(--ink); margin-top: 16px; }
.section-lede { max-width: 40em; margin-top: 14px; color: var(--muted); }

.pills { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.pill { font: 400 12.5px/1 var(--font-body); letter-spacing: 0.08em; color: var(--maroon); border: 1px solid var(--maroon-line); border-radius: 20px; padding: 6px 16px; background: var(--surface); }
.pill--muted { color: var(--muted); border-color: var(--line); }
.dot { width: 5px; height: 5px; border-radius: 50%; background: var(--maroon); }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 24px; border-radius: 3px; border: 1px solid var(--maroon); font: 600 13px/1 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; cursor: pointer; transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease); }
.btn-primary { background: var(--maroon); color: #fff; }
.btn-primary:hover { background: var(--maroon-2); border-color: var(--maroon-2); color: #fff; }
.btn-ghost { background: transparent; color: var(--maroon); }
.btn-ghost:hover { background: var(--surface); color: var(--maroon-2); }
.btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }

/* Hero */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); align-items: center; gap: 56px; padding-block: clamp(56px, 9vw, 112px); }
.hero h1 { margin-top: 28px; font: 700 clamp(40px, 5.6vw, 72px)/1.02 var(--font-display); letter-spacing: 0.01em; text-transform: uppercase; color: var(--ink); }
.hero h1 span { color: var(--maroon); display: block; }
.hero .lede { margin-top: 24px; max-width: 34em; font-size: 18px; line-height: 1.6; color: var(--text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-mark { position: relative; justify-self: center; width: min(100%, 340px); }
/* The banner's faint concentric circles, behind the towers */
.hero-mark::before, .hero-mark::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(107, 29, 42, 0.08); left: 50%; top: 50%; transform: translate(-50%, -50%); }
.hero-mark::before { width: 150%; aspect-ratio: 1; }
.hero-mark::after { width: 205%; aspect-ratio: 1; border-color: rgba(107, 29, 42, 0.05); }
.hero-mark img { position: relative; width: 100%; height: auto; }

/* Sections */
.section { padding-block: clamp(64px, 9vw, 104px); border-bottom: 1px solid var(--line); }
.section--tint { background: var(--tint); }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 48px; }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--maroon); border-radius: 3px; padding: 32px; }
.card-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 10px 16px; }
.card--quiet { border-top-color: var(--line); }
.card h3 { margin-top: 18px; font: 500 28px/1.15 var(--font-display); letter-spacing: 0.01em; color: var(--ink); }
.price { font: 700 34px/1 var(--font-display); color: var(--maroon); }
.card p { margin-top: 14px; }
.card ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; }
.card li { position: relative; padding-left: 24px; font-size: 15px; }
.card li::before { content: "\2014"; position: absolute; left: 0; color: var(--maroon); }
.card .fine { margin-top: 16px; font-size: 13.5px; color: var(--muted); }
.card-foot { margin-top: auto; padding-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.card-foot small { color: var(--muted); font-size: 13px; }

/* In development */
.dev-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 48px; }
.dev-card { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 28px 32px; }
.dev-card h3 { margin-top: 16px; font: 500 26px/1.15 var(--font-display); color: var(--ink); }
.dev-card p { margin-top: 10px; }

.waitlist h2 { font-size: clamp(26px, 3vw, 34px); }
.waitlist { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 32px; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 40px; align-items: start; }
.waitlist h3 { font: 500 24px/1.2 var(--font-display); color: var(--ink); text-transform: uppercase; letter-spacing: 0.02em; }
.waitlist-intro p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.waitlist-form { display: grid; gap: 16px; }
.waitlist-form fieldset { border: 0; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
.waitlist-form legend { font: 600 13px/1.4 var(--font-body); color: var(--ink); margin-bottom: 8px; padding: 0; grid-column: 1 / -1; }
.choice { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; cursor: pointer; }
.choice input { accent-color: var(--maroon); width: 18px; height: 18px; margin: 0; }
.field { display: grid; gap: 6px; }
.field label { font: 600 13px/1.4 var(--font-body); color: var(--ink); }
.field input { height: 48px; width: 100%; padding: 0 14px; border: 1px solid #CFC7BF; border-radius: 3px; background: var(--surface); font: 400 15px var(--font-body); color: var(--ink); }
.field input::placeholder { color: #8C8C8C; }
.field input:focus { outline: 2px solid var(--maroon); outline-offset: 0; border-color: var(--maroon); }
.waitlist-form .btn { justify-self: start; }
.waitlist-form button:disabled { opacity: 0.6; cursor: default; }
.status { font-size: 14px; }
.status:empty { display: none; }
.status[data-tone="success"] { color: var(--maroon); font-weight: 600; }
.status[data-tone="error"] { color: var(--danger); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Consulting pointer */
.pointer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 48px; }
.pointer h2 { margin-top: 12px; font-size: clamp(24px, 2.6vw, 30px); }
.pointer p { margin-top: 10px; max-width: 42em; color: var(--muted); }

/* Footer */
.site-footer { padding-block: 40px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 40px; }
.site-footer .brand img { height: 34px; }
.site-footer .wm-name { font-size: 19px; }
.site-footer p { font-size: 13px; color: var(--muted); }

/* Message pages (thanks, errors, 404) */
.message { padding-block: clamp(72px, 12vw, 140px); }
.message h1 { margin-top: 20px; font: 700 clamp(34px, 4.5vw, 52px)/1.05 var(--font-display); text-transform: uppercase; color: var(--ink); }
.message p { margin-top: 18px; max-width: 36em; font-size: 17px; }
.message .btn { margin-top: 32px; }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-mark { order: -1; justify-self: start; width: 150px; }
  .hero-mark::before, .hero-mark::after { display: none; }
  .cards, .dev-grid, .waitlist { grid-template-columns: 1fr; }
  .waitlist { gap: 24px; }
}
@media (max-width: 640px) {
  .nav { display: none; }
  .hero-mark { display: none; }
  .card, .dev-card, .waitlist { padding: 24px 20px; }
  .card-head { flex-direction: column-reverse; gap: 12px; }
}