/* archviewvr.com: white, minimal, one accent. */
:root {
  --ink: #17212b;
  --mute: #5e6977;
  --line: #e7ebf0;
  --wash: #f3f6f9;
  --accent: #0a70b5;
  --accent-deep: #065196;
  --accent-soft: #e3effa;
  --shadow: 0 24px 60px rgba(16, 32, 52, .14), 0 4px 14px rgba(16, 32, 52, .06);
  --f: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: var(--f); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -.025em; line-height: 1.08; }
h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 800; }
h2 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; }
h3 { font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
.wrap { width: min(1200px, 100% - 40px); margin: 0 auto; }
.narrow { width: min(760px, 100% - 40px); }
.center { text-align: center; }
.muted { color: var(--mute); }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-weight: 700; font-size: 15px; text-decoration: none; color: var(--ink); transition: background .2s, border-color .2s, transform .2s; }
.btn:hover { border-color: #cfd7e0; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn.big { padding: 15px 26px; font-size: 16px; }
.btn.wide { width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; }
.nav-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 72px; }
.nav nav { display: flex; gap: 30px; font-size: 15px; font-weight: 600; }
.nav nav a, .nav .link { text-decoration: none; color: var(--mute); }
.nav nav a:hover, .nav .link:hover { color: var(--ink); }
.nav-cta { display: flex; gap: 18px; align-items: center; font-size: 15px; font-weight: 600; }
.logo img { height: 28px; width: auto; }

/* hero */
.hero { padding: 64px 0 40px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: center; }
.lede { font-size: 20px; color: var(--mute); margin-top: 22px; max-width: 30ch; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.fine { font-size: 14px; color: var(--mute); margin-top: 14px; }
.hero-shot { position: relative; padding-bottom: 40px; }
.screen { margin: 0; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.phone { position: absolute; right: -10px; bottom: 0; width: 26%; margin: 0; border-radius: 26px; overflow: hidden; border: 7px solid #17212b; box-shadow: var(--shadow); background: #17212b; }

/* points */
.points { padding: 28px 0 56px; }
.points-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; border-top: 1px solid var(--line); padding-top: 32px; }
.points-in div { display: grid; gap: 2px; }
.points-in b { font-size: 17px; }
.points-in span { color: var(--mute); font-size: 15px; }

/* features */
.features { padding: 40px 0; }
.feat { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; align-items: center; padding: 56px 0; }
.feat.flip .feat-copy { order: 2; }
.feat-copy h2 { margin-bottom: 18px; }
.feat-copy p:not(.eyebrow) { color: var(--mute); font-size: 18px; max-width: 42ch; }
.frame { margin: 0; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.frame.tall { justify-self: center; width: min(320px, 70%); border-radius: 30px; border: 8px solid #17212b; background: #17212b; }
.frame.plain { box-shadow: none; border: 1px solid var(--line); }

/* extras */
.extras { padding: 72px 0; background: var(--wash); }
.extras h2 { margin-bottom: 44px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: #fff; border-radius: 18px; padding: 26px; display: grid; gap: 8px; align-content: start; }
.card p { color: var(--mute); font-size: 16px; }

/* how */
.how { padding: 96px 0; }
.how h2 { margin-bottom: 48px; }
.steps { list-style: none; padding: 0; margin: 0 0 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps li { border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: grid; gap: 10px; align-content: start; }
.steps .n { width: 36px; height: 36px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 800; }
.steps p { color: var(--mute); font-size: 16px; }

/* pricing */
.pricing { padding: 96px 0; background: var(--wash); }
.lede-s { margin: 14px 0 44px; font-size: 18px; }
.plans { display: grid; grid-template-columns: 1fr 1.25fr; gap: 18px; max-width: 880px; margin: 0 auto; align-items: start; }
.plan { background: #fff; border-radius: 22px; padding: 32px; display: grid; gap: 14px; border: 1px solid var(--line); }
.plan.main { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.price { font-size: 44px; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.price small { font-size: 15px; font-weight: 600; color: var(--mute); letter-spacing: 0; }
.plan ul { list-style: none; padding: 0; margin: 4px 0 10px; display: grid; gap: 9px; font-size: 16px; }
.plan li { padding-left: 26px; position: relative; }
.plan li::before { content: ''; position: absolute; left: 2px; top: 7px; width: 12px; height: 7px; border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg); }

/* faq */
.faq { padding: 96px 0; }
.faq h2 { margin-bottom: 36px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--accent); font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: '–'; }
.faq details p { color: var(--mute); margin-top: 10px; }

/* closing call to action */
.cta { padding: 0 0 96px; }
.cta-in { background: var(--ink); color: #fff; border-radius: 28px; padding: 72px 32px; text-align: center; display: grid; gap: 16px; justify-items: center; }
.cta-in p { color: #b8c2cd; font-size: 18px; margin-bottom: 12px; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 32px 0; font-size: 14px; }
.foot-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot nav a { text-decoration: none; color: var(--mute); }
.foot nav a:hover { color: var(--ink); }

/* legal pages */
.doc { padding: 64px 0 96px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 10px; }
.doc h2 { font-size: 22px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--mute); }
.doc p + p { margin-top: 12px; }

@media (max-width: 900px) {
  .nav nav { display: none; }
  .hero { padding-top: 36px; }
  .hero-in, .feat { grid-template-columns: 1fr; gap: 32px; }
  .feat { padding: 36px 0; }
  .feat.flip .feat-copy { order: 0; }
  .points-in { grid-template-columns: 1fr 1fr; }
  .grid3, .steps, .plans { grid-template-columns: 1fr; }
  .phone { width: 30%; right: 0; }
  .how, .pricing, .faq { padding: 64px 0; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .nav-cta .link { display: none; }
  .lede { font-size: 18px; }
  .cta-in { padding: 52px 22px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }