:root {
  --ink: #141414;
  --cream: #fff6e9;
  --pink: #ff5ca8;
  --lime: #c6f432;
  --blue: #5cc8ff;
  --amber: #ffbd2e;
  --purple: #b18cff;
  --line: 2.5px solid var(--ink);
  --shadow: 4px 4px 0 var(--ink);
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  background: var(--cream);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}
h1, h2, h3 { line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
h2 { font-size: clamp(2rem, 7vw, 3rem); font-weight: 900; margin-bottom: 20px; }
h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 6px; }
p { margin: 0; }
a { color: inherit; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 12px 22px; font: inherit; font-weight: 800;
  border: var(--line); border-radius: 999px; background: var(--pink); color: var(--ink);
  box-shadow: var(--shadow); text-decoration: none; cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn:focus-visible, summary:focus-visible, .theme-pill:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.btn-small { min-height: 40px; padding: 6px 16px; font-size: 0.95rem; background: var(--lime); box-shadow: 3px 3px 0 var(--ink); }
.btn-big { min-height: 60px; padding: 14px 30px; font-size: 1.2rem; }

/* nav */
.nav { display: flex; align-items: center; justify-content: space-between; max-width: 1100px; margin: 0 auto; padding: 16px 20px; }
.logo { font-weight: 900; font-size: 1.2rem; letter-spacing: -0.02em; text-decoration: none; }

.nav-links { display: flex; align-items: center; gap: 18px; font-weight: 700; }
.nav-links a:not(.btn) { text-decoration: none; }
.nav-links a:not(.btn):hover { text-decoration: underline; text-decoration-thickness: 3px; text-decoration-color: var(--pink); }
@media (max-width: 480px) {
  .nav-links { gap: 12px; font-size: 0.9rem; }
  .nav-links .btn-small { display: none; }
}

/* hero */
.hero { max-width: 1100px; margin: 0 auto; padding: 24px 20px 48px; display: grid; gap: 40px; }
.kicker {
  display: inline-block; background: var(--lime); border: var(--line); border-radius: 999px;
  padding: 4px 14px; font-weight: 700; font-size: 0.85rem; margin-bottom: 18px; transform: rotate(-1.5deg);
}
.hero h1 { font-size: clamp(2.8rem, 12vw, 5.2rem); font-weight: 900; letter-spacing: -0.04em; margin-bottom: 18px; }
.hl { background: linear-gradient(transparent 58%, var(--pink) 58%, var(--pink) 92%, transparent 92%); }
.lede { font-size: 1.15rem; max-width: 34ch; margin-bottom: 26px; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.cta-note { font-weight: 600; font-size: 0.95rem; opacity: 0.7; }

/* group-chat-to-stop-card visual */
.chat { display: flex; flex-direction: column; gap: 10px; max-width: 380px; width: 100%; justify-self: center; }
.bubble {
  max-width: 80%; padding: 10px 16px; border: var(--line); border-radius: 22px; font-weight: 600;
  background: #fff; box-shadow: 3px 3px 0 var(--ink);
}
.bubble.them { align-self: flex-start; border-bottom-left-radius: 6px; }
.bubble.late { background: #ffe1ef; }
.bubble.me { align-self: flex-end; background: var(--blue); border-bottom-right-radius: 6px; }
.stop-card {
  margin-top: 8px; display: flex; flex-direction: column; gap: 4px; padding: 18px 20px;
  background: var(--amber); border: var(--line); border-radius: var(--radius); box-shadow: 6px 6px 0 var(--ink);
  transform: rotate(1.5deg);
}
.stop-card strong { font-size: 1.7rem; font-weight: 900; letter-spacing: -0.02em; }
.stop-chip { align-self: flex-start; background: #fff; border: 2px solid var(--ink); border-radius: 999px; padding: 2px 10px; font-size: 0.8rem; font-weight: 800; }
.here { font-weight: 600; font-size: 0.95rem; }
.sub-intel { font-weight: 700; font-size: 0.85rem; opacity: 0.9; margin-top: 4px; display: flex; gap: 8px; flex-wrap: wrap; }

/* marquee */
.marquee { overflow: hidden; background: var(--ink); color: var(--cream); border-block: var(--line); padding: 14px 0; }
.marquee-track { display: flex; gap: 36px; width: max-content; animation: marquee 32s linear infinite; font-weight: 800; font-size: 1.15rem; white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; padding: 0 20px; gap: 8px 24px; white-space: normal; }
  .marquee-track span:nth-child(n + 11) { display: none; }
  .btn, .btn:hover, .btn:active { transition: none; transform: none; }
}

main { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
section { padding: 64px 0 0; }

/* about */
.about-lede { font-size: 1.2rem; max-width: 46ch; margin-bottom: 28px; }
.about-cols { display: grid; gap: 18px; margin-bottom: 44px; }
.about-col { background: #fff; border: var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.about-col h3 { margin-bottom: 12px; }
.about-col ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.about-col li::marker { content: "✦  "; color: var(--pink); }
.example-title { font-size: clamp(1.3rem, 4.5vw, 1.7rem); font-weight: 900; margin-bottom: 18px; }
.screens { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 4px 18px; margin: 0 -4px; }
.screen { flex: 0 0 min(76vw, 300px); margin: 0; scroll-snap-align: center; }
.screen img {
  display: block; width: 100%; height: auto; border-radius: 28px; border: 6px solid var(--ink); background: var(--ink);
  box-shadow: 6px 6px 0 var(--blue);
}
.screen:nth-child(2) img { box-shadow: 6px 6px 0 #ef4444; }
.screen:nth-child(3) img { box-shadow: 6px 6px 0 var(--pink); }
.screen:nth-child(4) img { box-shadow: 6px 6px 0 var(--lime); }
.screen:nth-child(5) img { box-shadow: 6px 6px 0 #a855f7; }
.screen figcaption { margin-top: 14px; font-size: 0.95rem; }
.swipe-hint { margin: -8px 0 12px; font-weight: 700; font-size: 0.9rem; opacity: 0.6; }
.fine-note { margin-top: 6px; font-size: 0.85rem; opacity: 0.65; }

/* steps */
.step-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.step { position: relative; background: #fff; border: var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px 20px 20px 76px; }
.step-num {
  position: absolute; left: 18px; top: 20px; width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.3rem;
  background: var(--lime); border: var(--line);
}
.step p { opacity: 0.8; }

/* feature stickers */
.sticker-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.sticker { border: var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; transition: transform 0.15s; }
.sticker:nth-child(odd) { transform: rotate(-1deg); }
.sticker:nth-child(even) { transform: rotate(1deg); }
.sticker:hover { transform: rotate(0) scale(1.02); }
.sticker-emoji { display: block; font-size: 2.2rem; margin-bottom: 8px; }
.sticker p { font-weight: 500; }
.s-pink { background: var(--pink); }
.s-lime { background: var(--lime); }
.s-blue { background: var(--blue); }
.s-amber { background: var(--amber); }
.s-purple { background: var(--purple); }
.s-ink { background: var(--ink); color: var(--cream); }
@media (prefers-reduced-motion: reduce) { .sticker, .sticker:hover { transform: none; transition: none; } }

/* theme showcase */
.vibes { display: grid; gap: 32px; align-items: start; }
.vibes-copy > p { margin-bottom: 20px; font-size: 1.05rem; }
.theme-pills { margin-bottom: 8px; }
.theme-group { margin-bottom: 14px; }
.theme-group-label { margin: 0 0 8px; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.6; }
.theme-pills-row { display: flex; gap: 8px; flex-wrap: wrap; }
.theme-pill {
  min-height: 44px; padding: 8px 14px; border-radius: 999px; border: 2px solid var(--ink); background: #fff; color: var(--ink);
  font: inherit; font-size: 0.92rem; font-weight: 700; cursor: pointer; transition: transform 0.1s;
}
.theme-pill:hover { transform: translateY(-1px); }
.theme-pill.selected { background: var(--ink); color: var(--cream); }
.custom-accent { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; cursor: pointer; margin-top: 4px; }
.custom-accent input { width: 52px; height: 40px; border: 2px solid var(--ink); border-radius: 10px; padding: 2px; background: #fff; cursor: pointer; }

.phone {
  justify-self: center; width: 300px; max-width: 100%; padding: 12px; border-radius: 44px;
  background: var(--ink); box-shadow: 8px 8px 0 var(--pink); position: relative;
}
.phone-notch { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 90px; height: 22px; border-radius: 999px; background: var(--ink); z-index: 2; }
.phone-screen {
  border-radius: 34px; padding: 50px 14px 18px; min-height: 520px; display: flex; flex-direction: column; gap: 10px;
  background: var(--demo-bg, #fafaf9); color: var(--demo-primary, #1f2937); transition: background-color 0.25s, color 0.25s;
}
.phone-top { font-weight: 800; font-size: 0.95rem; padding: 0 4px 4px; }
.phone-card {
  display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; border-radius: 14px;
  background: var(--demo-surface, #fff); box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 0.9rem;
}
.phone-card-accent { border-top: 4px solid var(--demo-accent, #f59e0b); }
.phone-eyebrow { font-size: 0.72rem; font-weight: 700; opacity: 0.65; }
.phone-venue { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.02em; line-height: 1.1; }
.phone-muted { font-size: 0.8rem; opacity: 0.65; }
.phone-chip { display: inline-block; margin-left: 4px; padding: 0 8px; border-radius: 999px; font-size: 0.78rem; background: var(--demo-bg, #fafaf9); }
.phone-photos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 4px; }
.phone-photos span { aspect-ratio: 1; border-radius: 8px; background: linear-gradient(135deg, var(--demo-accent, #f59e0b), var(--demo-primary, #1f2937)); opacity: 0.85; }
.phone-photos span:nth-child(2) { opacity: 0.6; }
.phone-photos span:nth-child(3) { opacity: 0.4; }
.preview-accent {
  margin-top: auto; display: flex; align-items: center; justify-content: center; min-height: 46px; border-radius: 12px;
  background: var(--demo-accent, #f59e0b); color: var(--demo-on-accent, #111827); font-weight: 800; transition: background-color 0.25s;
}

/* faq */
.faq details { background: #fff; border: var(--line); border-radius: var(--radius); margin-bottom: 12px; box-shadow: 3px 3px 0 var(--ink); }
.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 800; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; transition: transform 0.15s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 20px 18px; opacity: 0.85; }

/* contact */
.contact-lede { font-size: 1.1rem; max-width: 46ch; margin-bottom: 20px; }
.contact-form { background: #fff; border: var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; max-width: 760px; }
.contact-form label { display: block; font-weight: 800; margin: 14px 0 6px; }
.contact-form .field-row label { margin-top: 0; }
.contact-form .optional { font-weight: 500; opacity: 0.6; }
.contact-form input, .contact-form textarea {
  width: 100%; font: inherit; padding: 12px 14px; min-height: 48px; border: 2px solid var(--ink); border-radius: 12px; background: var(--cream); color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 3px solid var(--blue); outline-offset: 1px; }
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form .btn { margin-top: 18px; }
.field-row { display: grid; gap: 14px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { display: none; max-width: 760px; margin-bottom: 16px; padding: 14px 18px; border: var(--line); border-radius: 14px; font-weight: 700; scroll-margin-top: 24px; }
.form-status:target { display: block; }
.status-sent { background: var(--lime); }
.status-error { background: #ffd6d6; }

/* footer CTA */
footer.cta {
  margin: 72px 20px 32px; padding: 48px 24px; text-align: center; border: var(--line); border-radius: 28px;
  background: var(--pink); box-shadow: 8px 8px 0 var(--ink);
  max-width: 1060px; margin-inline: auto;
}
footer.cta h2 { margin-bottom: 10px; }
footer.cta > p:first-of-type { font-size: 1.1rem; font-weight: 600; margin-bottom: 26px; }
footer.cta .btn { background: var(--lime); }
.fine { margin-top: 22px; font-size: 0.85rem; font-weight: 600; opacity: 0.75; }

@media (min-width: 860px) {
  .hero { grid-template-columns: 1.25fr 1fr; align-items: center; padding-top: 48px; padding-bottom: 72px; }
  .step-list { grid-template-columns: repeat(3, 1fr); }
  .sticker-grid { grid-template-columns: repeat(3, 1fr); }
  .vibes { grid-template-columns: 1.2fr 1fr; }
  .faq { max-width: 760px; }
  .about-cols { grid-template-columns: 1fr 1fr; }
  .screens { overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 24px; }
  .swipe-hint { display: block; }
  .screen { flex: 0 0 280px; }
  .field-row { grid-template-columns: 1fr 1fr; }
  footer.cta { margin-inline: auto; }
}
@media (max-width: 859px) {
  footer.cta { margin-inline: 16px; }
}