:root {
  --black: #000000;
  --panel: #101010;
  --line: #262626;
  --text: #f5f5f5;
  --muted: #a1a1a1;
  --alert: #ff4d3d;
  --amber: #ffb020;
  --violet: #6c32fe;
  --sans: Switzer, "Inter Tight", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --serif: Newsreader, Georgia, serif;
  --wordmark: Montserrat, Switzer, system-ui, sans-serif;
  --gutter: 16px;
  --radius: 18px;
  color-scheme: dark;
}
@media (min-width: 720px) { :root { --gutter: 32px; } }
@media (min-width: 1100px) { :root { --gutter: 40px; } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--black);
  color: var(--text);
  font: 400 17px/1.55 var(--sans);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-weight: 400; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

/* Header: mirrors zapdoslabs.com */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px var(--gutter);
  background: var(--black);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand span { font: 700 19px/1 var(--wordmark); letter-spacing: -0.01em; }
.nav { display: none; gap: 32px; }
.nav a {
  font: 400 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.16em;
  color: #d4d4d4; text-decoration: none;
}
.nav a:hover { color: var(--text); }
@media (min-width: 900px) { .nav { display: flex; } }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--text); color: #000; text-decoration: none;
  padding: 7px 14px 7px 7px; border-radius: 8px; font-size: 15px; font-weight: 500;
}
.pill img, .btn img { border-radius: 50%; object-fit: cover; }

/* Hero */
.hero {
  margin: 0 var(--gutter);
  display: grid; gap: 28px;
  padding: 28px 0 56px;
}
.greet { font: italic 400 22px/1.2 var(--serif); color: var(--muted); min-height: 0; }
.greet:empty { display: none; }
.greet + h1 { margin-top: 6px; }
h1 {
  font-size: clamp(36px, 9.4vw, 64px); line-height: 1.02;
  text-wrap: balance; max-width: 14ch;
}
.lede { margin-top: 18px; font-size: 18px; color: #d9d9d9; max-width: 34em; }
.signal {
  margin-top: 14px; max-width: 34em; color: var(--muted); font-size: 16px;
  padding-left: 14px; border-left: 2px solid var(--alert);
}
.hero-actions { margin-top: 26px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  background: var(--text); color: #000; text-decoration: none; border: 0;
  padding: 9px 18px 9px 9px; border-radius: 10px;
  font: 500 16px/1.2 var(--sans);
}
.btn:hover { background: #fff; }
.btn.solid { padding: 13px 20px; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid #4a4a4a; padding: 12px 18px; }
.btn.ghost:hover { border-color: var(--text); background: transparent; }
.textlink {
  font: 400 12px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.14em;
  color: #d4d4d4; text-underline-offset: 5px;
}

.feed { margin: 0; }
.screen {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: #1a1a1a; aspect-ratio: 16 / 9;
  box-shadow: 0 0 0 1px var(--line);
}
.screen video { width: 100%; height: 100%; object-fit: cover; display: block; }
.feed figcaption { margin-top: 12px; font-size: 14px; color: var(--muted); max-width: 46em; }

/* The phone notification that lands when the rule fires */
.ping {
  position: absolute; right: 10px; top: 10px; width: min(62%, 300px);
  background: rgba(30, 30, 30, 0.86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-radius: 14px; padding: 10px 12px; color: var(--text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  transform: translateY(-130%); opacity: 0;
  transition: transform 420ms cubic-bezier(.2, .9, .25, 1.15), opacity 220ms ease;
}
.ping.on { transform: translateY(0); opacity: 1; }
.ping-head { display: flex; align-items: center; gap: 6px; font-size: 11px; color: #c9c9c9; }
.ping-head span:first-of-type { font-weight: 600; }
.ping-time { margin-left: auto; }
.ping-title { margin-top: 4px; font-size: 13px; font-weight: 600; line-height: 1.25; }
.ping-body { font-size: 12px; color: #cfcfcf; }
@media (max-width: 480px) {
  .ping { right: 8px; top: 8px; padding: 7px 9px; width: 70%; border-radius: 11px; }
  .ping-title { font-size: 12px; }
  .ping-body { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { .ping { transition: opacity 200ms ease; transform: none; } }

@media (min-width: 1000px) {
  .hero { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: center; gap: 48px; padding: 40px 0 88px; }
  .feed { order: 2; }
  .ping { right: 16px; top: 16px; }
}

/* Sections */
section h2 { font-size: clamp(28px, 6vw, 44px); line-height: 1.08; text-wrap: balance; }
.section-lede { margin-top: 12px; color: var(--muted); max-width: 36em; }

.rules, .how, .press, .book {
  margin: 0 var(--gutter); padding: 56px 0;
  border-top: 1px solid var(--line);
}
.rule-list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 0; }
.rule-list li {
  padding: 18px 0 18px 26px; border-top: 1px solid var(--line); position: relative;
}
.rule-list li:last-child { border-bottom: 1px solid var(--line); }
.rule-list li::before {
  content: ""; position: absolute; left: 2px; top: 27px; width: 10px; height: 10px;
  border: 1.5px solid var(--alert); border-radius: 2px;
}
.rule-list h3 { font-size: 20px; line-height: 1.25; font-weight: 500; letter-spacing: -0.01em; }
.rule-list p { margin-top: 4px; color: var(--muted); font-size: 16px; max-width: 40em; }
@media (min-width: 900px) {
  .rule-list { grid-template-columns: 1fr 1fr; column-gap: 48px; }
  .rule-list li:nth-last-child(2) { border-bottom: 1px solid var(--line); }
}

.steps { list-style: none; counter-reset: step; margin: 28px 0 0; padding: 0; display: grid; gap: 28px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 44px 1fr; column-gap: 8px; }
.steps li::before {
  content: counter(step); grid-row: span 2;
  font: 400 13px/1 var(--mono); color: var(--muted);
  width: 30px; height: 30px; border: 1px solid #3a3a3a; border-radius: 50%;
  display: grid; place-items: center; margin-top: 1px;
}
.steps h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.steps p { color: var(--muted); margin-top: 4px; max-width: 34em; }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 40px; } }
.facts { margin-top: 40px; display: grid; gap: 14px; }
.facts p { color: var(--muted); max-width: 40em; }
.facts strong { color: var(--text); font-weight: 500; }
@media (min-width: 900px) { .facts { grid-template-columns: 1fr 1fr; gap: 40px; } }

.press-h { font-size: clamp(24px, 5vw, 34px); max-width: 24ch; }
.press-list { list-style: none; padding: 0; margin: 26px 0 26px; display: grid; gap: 14px; }
.press-list a {
  display: grid; gap: 12px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px;
}
.press-list a:hover { border-color: #444; }
.press-list img { height: 20px; width: auto; filter: brightness(0) invert(1); opacity: .85; }
.press-list q { font: italic 400 19px/1.35 var(--serif); color: #e6e6e6; quotes: "“" "”"; }
@media (min-width: 900px) { .press-list { grid-template-columns: repeat(3, 1fr); } }

/* Booking */
.book-intro { display: flex; gap: 16px; align-items: flex-start; }
.face { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; flex: none; margin-top: 4px; }
.book-intro p { margin-top: 10px; color: var(--muted); max-width: 36em; }
.cal {
  margin-top: 28px; min-height: 520px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line); overflow: hidden;
  display: grid; place-items: center;
}
.cal.ready { display: block; background: transparent; border-color: transparent; min-height: 0; }
.cal.ready .cal-fallback { display: none; }
.cal iframe { width: 100% !important; }

.fallbacks { margin-top: 28px; display: grid; gap: 22px; max-width: 760px; }
details { border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
summary {
  cursor: pointer; padding: 16px 18px; list-style: none; font-weight: 500;
  display: flex; justify-content: space-between; gap: 12px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 400 20px/1 var(--mono); color: var(--muted); }
details[open] summary::after { content: "−"; }
.form { padding: 4px 18px 20px; display: grid; gap: 14px; }
.row2 { display: grid; gap: 14px; }
@media (min-width: 640px) { .row2 { grid-template-columns: 1fr 1fr; } }
label { display: grid; gap: 6px; font-size: 14px; color: #d4d4d4; }
.opt { color: var(--muted); }
input[type="text"], input:not([type]), input[type="email"], input[type="tel"] {
  width: 100%; font: 400 16px/1.3 var(--sans); color: var(--text);
  background: #000; border: 1px solid #3a3a3a; border-radius: 10px; padding: 12px 12px;
}
input:focus { outline: none; border-color: var(--text); }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; }
legend { font-size: 14px; color: #d4d4d4; margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { display: block; }
.chips input { position: absolute; opacity: 0; pointer-events: none; }
.chips span {
  display: inline-block; padding: 9px 13px; border: 1px solid #3a3a3a; border-radius: 999px;
  font-size: 14px; color: #d4d4d4; cursor: pointer;
}
.chips input:checked + span { background: var(--text); color: #000; border-color: var(--text); }
.chips input:focus-visible + span { outline: 2px solid var(--text); outline-offset: 2px; }
.full { margin-top: 4px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-msg { font-size: 15px; color: var(--muted); min-height: 0; }
.form-msg.err { color: var(--alert); }
.form-msg.ok { color: var(--text); }
.walk { display: grid; gap: 10px; padding: 0 2px; }
.walk label { font-size: 15px; color: var(--text); font-weight: 500; }
.walk-row { display: flex; gap: 10px; flex-wrap: wrap; }
.walk-row input { flex: 1 1 220px; }
.done > :not(.form-msg) { display: none; }
.walk.done label { display: none; }

/* Footer */
.foot { margin: 24px var(--gutter) 0; padding: 36px 0 48px; border-top: 1px solid var(--line); display: grid; gap: 20px; }
.foot-main { display: grid; gap: 10px; color: var(--muted); font-size: 15px; }
.foot-small { display: grid; gap: 8px; font-size: 13px; color: #7d7d7d; max-width: 60em; }
.foot a { color: #cfcfcf; }

/* Mobile: put the demo right under the headline */
@media (max-width: 999px) {
  .hero { gap: 0; }
  .hero-copy { display: contents; }
  .greet { order: 1; }
  .hero h1 { order: 2; }
  .feed { order: 3; margin-top: 22px; }
  .lede { order: 4; margin-top: 22px; }
  .signal { order: 5; }
  .hero-actions { order: 6; }
}
@media (max-width: 480px) {
  .hero { padding-top: 18px; }
  h1 { font-size: 34px; line-height: 1.05; }
  .lede { font-size: 17px; }
  .ping { width: 58%; }
  .feed figcaption { font-size: 13px; }
}

section[id] { scroll-margin-top: 76px; }