@import url("https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700,900&display=swap");

:root {
  --ink: #11131a;
  --muted: #5d6370;
  --line: rgba(17, 19, 26, 0.12);
  --surface: #ffffff;
  --soft: #f5f6fa;
  --violet: #573cdd;
  --violet-soft: #eeeaff;
  --orange: #f97a1f;
  --orange-soft: #fff0e5;
  --blue: #3b82f6;
  --blue-soft: #e8f1ff;
  --pink: #d94f98;
  --pink-soft: #fdebf5;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: "Satoshi", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -6rem;
  z-index: 100;
  padding: .75rem 1rem;
  background: var(--ink);
  color: white;
  border-radius: .75rem;
}
.skip-link:focus { top: 1rem; }
.wrap { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(17, 19, 26, .08);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(18px);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.brand {
  font-size: 1.65rem;
  font-weight: 900;
  letter-spacing: -.06em;
  text-decoration: none;
}
.nav-links {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.nav-links a {
 
  font-size: .92rem;
  font-weight: 700;
  text-decoration: none;
}
.nav-links a:hover { color: var(--violet); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  padding: .75rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: 999px;

  color: #000000;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(17,19,26,.16); }
.button.secondary { background: transparent; color: var(--ink); }
.button.small { min-height: 40px; padding: .55rem .9rem; font-size: .9rem; }
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 9vw, 8rem) 0 clamp(4rem, 8vw, 7rem);
  background:
    radial-gradient(circle at 85% 18%, var(--accent-soft), transparent 26rem),
    linear-gradient(180deg, #fff 0%, #fafafe 100%);
}
.hero::before {
  content: "";
  position: absolute;
  width: 32rem;
  height: 32rem;
  left: -23rem;
  bottom: -18rem;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: .18;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 6rem);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1.1rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}
h1, h2, h3 { margin-top: 0; line-height: 1.02; letter-spacing: -.045em; }
h1 { max-width: 820px; margin-bottom: 1.35rem; font-size: clamp(3rem, 7vw, 6.25rem); font-weight: 900; }
h2 { margin-bottom: 1rem; font-size: clamp(2.35rem, 5vw, 4.5rem); font-weight: 900; }
h3 { margin-bottom: .65rem; font-size: 1.35rem; font-weight: 900; }
.lead { max-width: 720px; margin: 0 0 1.8rem; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.microcopy { margin: 1rem 0 0; color: var(--muted); font-size: .84rem; }
.twiin-card {
  position: relative;
  padding: 1.1rem;
  border: 1px solid rgba(17,19,26,.1);
  border-radius: 2rem;
  background: rgba(255,255,255,.78);
  box-shadow: 0 30px 90px rgba(43, 33, 92, .16);
  transform: rotate(2deg);
}
.phone {
  min-height: 500px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  border-radius: 1.35rem;
  background: #101218;
  color: white;
}
.phone.photo-phone {
  min-height: 0;
  padding: 0;
  overflow: hidden;
  background: #101218;
}
.hero-photo {
  width: 100%;
  aspect-ratio: 2 / 3;
  display: block;
  object-fit: cover;
}
.phone-top { display: flex; align-items: center; gap: .75rem; color: #d9dbe2; font-size: .85rem; }
.avatar {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #c084fc);
  color: white;
  font-size: .7rem;
  font-weight: 900;
}
.chat { margin-top: auto; display: grid; gap: .8rem; }
.bubble {
  max-width: 88%;
  padding: .9rem 1rem;
  border-radius: 1.15rem 1.15rem 1.15rem .25rem;
  background: #272a34;
  color: #f7f7fa;
}
.bubble.question {
  margin-left: auto;
  border-radius: 1.15rem 1.15rem .25rem 1.15rem;
  background: var(--accent);
}
.input {
  margin-top: 1rem;
  padding: .8rem 1rem;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: #aeb2bd;
  font-size: .9rem;
}
.qr-mark {
  position: absolute;
  right: -1rem;
  bottom: 2.2rem;
  width: 118px;
  padding: .65rem;
  border: 1px solid rgba(17,19,26,.14);
  border-radius: 1rem;
  background: white;
  box-shadow: 0 18px 50px rgba(17,19,26,.16);
  transform: rotate(-5deg);
}
.qr-grid {
  aspect-ratio: 1;
  border-radius: .35rem;
  background:
    linear-gradient(90deg, #111 12%, transparent 12% 25%, #111 25% 37%, transparent 37% 50%, #111 50% 62%, transparent 62% 75%, #111 75% 87%, transparent 87%),
    linear-gradient(#111 12%, transparent 12% 25%, #111 25% 37%, transparent 37% 50%, #111 50% 62%, transparent 62% 75%, #111 75% 87%, transparent 87%);
  background-color: white;
}
.qr-mark span { display: block; margin-top: .45rem; text-align: center; font-size: .62rem; font-weight: 900; }
.proof-strip { border-block: 1px solid var(--line); background: var(--ink); color: white; }
.proof-strip .wrap { padding-block: 1.1rem; text-align: center; font-weight: 800; letter-spacing: -.01em; }
.section { padding: clamp(4.75rem, 9vw, 8rem) 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 780px; margin-bottom: 2.5rem; }
.section-head p { max-width: 680px; margin: 0; color: var(--muted); font-size: 1.1rem; }
.grid-3, .grid-4 { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.feature {
  min-height: 240px;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: white;
}
.feature .number {
  width: 2.15rem;
  height: 2.15rem;
  margin-bottom: 3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 900;
}
.feature p, .audience p { margin: 0; color: var(--muted); }
.audience {
  padding: 1.35rem;
  border-top: 2px solid var(--accent);
  background: white;
}
.note {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, white);
  border-radius: 1rem;
  background: var(--accent-soft);
  color: #363946;
  font-size: .93rem;
}
.faq-list { max-width: 900px; display: grid; gap: .75rem; }
details {
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: white;
}
summary { cursor: pointer; font-weight: 900; }
details p { margin: .8rem 0 .1rem; color: var(--muted); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.related-card {
  min-height: 180px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: white;
  text-decoration: none;
}
.related-card:hover { border-color: var(--accent); }
.related-card span { margin-top: auto; color: var(--accent); font-weight: 900; }
.cta {
  overflow: hidden;
  position: relative;
  padding: clamp(3rem, 7vw, 6rem);
  border-radius: 2.5rem;
  background: var(--ink);
  color: white;
}
.cta::after {
  content: "";
  position: absolute;
  width: 26rem;
  height: 26rem;
  right: -12rem;
  top: -14rem;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(1px);
  opacity: .45;
}
.cta > * { position: relative; z-index: 1; }
.cta p { max-width: 620px; color: #cfd1d8; font-size: 1.1rem; }
.cta .button { border-color: white; background: white; color: var(--ink); }
.site-footer { padding: 2.5rem 0; border-top: 1px solid var(--line); }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .9rem; }
.footer-row a { color: var(--ink); font-weight: 800; text-decoration: none; }

body[data-accent="violet"] { --accent: var(--violet); --accent-soft: var(--violet-soft); }
body[data-accent="orange"] { --accent: var(--orange); --accent-soft: var(--orange-soft); }
body[data-accent="blue"] { --accent: var(--blue); --accent-soft: var(--blue-soft); }
body[data-accent="pink"] { --accent: var(--pink); --accent-soft: var(--pink-soft); }

@media (max-width: 900px) {
  .nav-links a:not(.button) { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .twiin-card { width: min(100%, 470px); margin-inline: auto; transform: none; }
  .grid-3, .grid-4, .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .wrap { width: min(calc(100% - 1.25rem), var(--max)); }
  .nav { min-height: 66px; }
  .nav-links { gap: .5rem; }
  .nav-links .button.small { padding-inline: .75rem; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.25rem); }
  .hero { padding-top: 4rem; }
  .phone { min-height: 430px; }
  .qr-mark { right: .4rem; bottom: 1.2rem; width: 96px; }
  .grid-3, .grid-4, .related-grid { grid-template-columns: 1fr; }
  .feature { min-height: 0; }
  .feature .number { margin-bottom: 1.5rem; }
  .cta { padding: 2.25rem 1.35rem; border-radius: 1.75rem; }
  .footer-row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}