:root {
  --font-geist-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-geist-mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --ink: #17152b;
  --muted: #69677a;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --line: #e8e4dd;
  --violet: #6855e8;
  --violet-dark: #4b39c8;
  --coral: #ff805d;
  --green: #80c6a7;
  --yellow: #f4c85b;
  --shadow: 0 30px 80px rgba(37, 31, 79, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-geist-sans), -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  z-index: 10;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 760; letter-spacing: -.03em; }
.brand img { border-radius: 11px; box-shadow: 0 8px 25px rgba(47, 37, 117, .18); }
.site-header nav { display: flex; align-items: center; gap: 30px; color: var(--muted); font-size: 14px; }
.site-header nav a, footer a { transition: color .2s ease; }
.site-header nav a:hover, footer a:hover { color: var(--violet); }
.header-contact {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 17px;
  background: rgba(255,255,255,.76);
  font-size: 14px;
  font-weight: 650;
}

.hero {
  min-height: 720px;
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .82fr);
  gap: 72px;
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 100px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  right: -250px;
  top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(104,85,232,.15), rgba(104,85,232,0) 70%);
  pointer-events: none;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  margin: 0 0 20px;
  color: var(--violet);
  font-family: var(--font-geist-mono), monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}
h1, h2, h3, p { margin-top: 0; }
.hero h1 {
  margin-bottom: 25px;
  max-width: 720px;
  font-size: clamp(58px, 7vw, 92px);
  line-height: .94;
  letter-spacing: -.073em;
  font-weight: 780;
}
.hero-lead { max-width: 600px; margin-bottom: 10px; font-size: 21px; line-height: 1.55; letter-spacing: -.025em; color: #464357; }
.hero-zh { margin-bottom: 32px; font-size: 15px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 720;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--ink); color: #fff; box-shadow: 0 15px 34px rgba(23,21,43,.19); }
.button.primary:hover { background: var(--violet-dark); box-shadow: 0 18px 38px rgba(75,57,200,.23); }
.button.secondary { border: 1px solid var(--line); background: rgba(255,255,255,.8); }
.trust-row { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 30px; color: var(--muted); font-size: 12px; }
.trust-row span::first-letter { color: var(--green); }

.hero-visual { position: relative; height: 650px; display: grid; place-items: center; }
.hero-visual > img {
  position: relative;
  z-index: 3;
  width: 260px;
  height: auto;
  border-radius: 37px;
  box-shadow: 0 50px 100px rgba(29,23,76,.24), 0 0 0 8px rgba(255,255,255,.7);
  transform: rotate(3.3deg);
}
.orbit { position: absolute; border: 1px solid rgba(104,85,232,.18); border-radius: 50%; }
.orbit-one { width: 520px; height: 520px; background: rgba(104,85,232,.045); }
.orbit-two { width: 390px; height: 390px; border-style: dashed; }
.float-card {
  position: absolute;
  z-index: 5;
  min-width: 154px;
  padding: 14px 17px;
  border: 1px solid rgba(255,255,255,.88);
  border-radius: 17px;
  background: rgba(255,255,255,.86);
  box-shadow: 0 18px 45px rgba(41,34,90,.15);
  backdrop-filter: blur(14px);
}
.float-card span, .float-card strong { display: block; }
.float-card span { margin-bottom: 3px; color: var(--muted); font-size: 11px; }
.float-card strong { font-size: 14px; letter-spacing: -.02em; }
.float-one { top: 178px; left: 5px; transform: rotate(-4deg); }
.float-two { right: -2px; bottom: 160px; transform: rotate(3deg); }

.quick-help, .faq-section { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 112px 0; }
.quick-help { border-top: 1px solid var(--line); }
.section-heading { max-width: 620px; margin-bottom: 48px; }
.section-heading.compact { margin-bottom: 36px; }
.section-heading h2, .feature-copy h2, .billing-links h2, .contact-section h2 {
  margin-bottom: 12px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.04;
  letter-spacing: -.055em;
}
.section-heading > p:last-child, .billing-links p, .contact-section > p { color: var(--muted); line-height: 1.65; }
.help-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.help-card {
  min-height: 300px;
  padding: 31px;
  border: 1px solid rgba(23,21,43,.065);
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.help-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.help-card.coral { background: #fff0ea; }
.help-card.violet { background: #efedff; }
.help-card.green { background: #e8f5ef; }
.card-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: rgba(255,255,255,.72); font-size: 22px; }
.help-card h3 { margin: 43px 0 10px; font-size: 25px; letter-spacing: -.035em; }
.help-card p { max-width: 280px; color: #555164; line-height: 1.55; }
.text-link { margin-top: auto; font-size: 14px; font-weight: 720; }

.feature-band {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 110px max(40px, calc((100vw - 1180px) / 2));
  background: var(--ink);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.feature-band::after { content: ""; position: absolute; inset: auto -90px -240px auto; width: 650px; height: 650px; border-radius: 50%; background: rgba(104,85,232,.3); filter: blur(1px); }
.feature-copy { position: relative; z-index: 2; }
.feature-copy .eyebrow { color: #a99dfb; }
.feature-copy h2 { max-width: 610px; }
.steps { margin-top: 46px; border-top: 1px solid rgba(255,255,255,.15); }
.steps > div { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.steps span { color: #a99dfb; font-family: var(--font-geist-mono), monospace; font-size: 12px; }
.steps p { margin: 0; color: #bdb9ca; line-height: 1.55; }
.steps strong { display: block; color: #fff; font-size: 17px; }
.screenshot-stack { height: 620px; position: relative; z-index: 2; }
.screenshot-stack img { position: absolute; width: 248px; border-radius: 34px; box-shadow: 0 40px 80px rgba(0,0,0,.35); }
.screenshot-stack img:first-child { left: 20px; top: 0; transform: rotate(-7deg); }
.screenshot-stack img:last-child { right: 15px; bottom: -70px; transform: rotate(8deg); }

.faq-section { display: grid; grid-template-columns: .72fr 1fr; gap: 80px; align-items: start; }
.faq-section .section-heading { position: sticky; top: 40px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 25px 44px 25px 0; position: relative; font-size: 18px; font-weight: 680; letter-spacing: -.025em; }
summary::-webkit-details-marker { display: none; }
summary span { margin-right: 17px; color: var(--violet); font-family: var(--font-geist-mono), monospace; font-size: 11px; }
summary::after { content: "+"; position: absolute; right: 8px; top: 22px; color: var(--violet); font-size: 23px; font-weight: 400; transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
.faq-answer { padding: 0 44px 25px 34px; color: var(--muted); line-height: 1.65; }
.faq-answer p { margin-bottom: 10px; }
.faq-answer p[lang] { color: #858291; font-size: 14px; }

.billing-links {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 112px;
  padding: 52px;
  border-radius: 30px;
  background: #f0edff;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: center;
}
.billing-links h2 { max-width: 680px; font-size: clamp(32px, 4vw, 50px); }
.billing-links p { margin-bottom: 0; }
.billing-actions { display: flex; flex-direction: column; gap: 10px; }

.contact-section {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 124px 40px 132px;
  text-align: center;
}
.contact-section > img { margin: 0 auto 29px; border-radius: 22px; box-shadow: 0 18px 50px rgba(47,37,117,.19); }
.contact-section > p { max-width: 660px; margin: 0 auto 26px; }
.contact-section .eyebrow { margin-bottom: 16px; }
.contact-section .button { margin: 8px auto 18px; }
.contact-section small { display: block; color: var(--muted); }

footer {
  width: min(1180px, calc(100% - 40px));
  min-height: 145px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 10px 34px;
  align-content: center;
  color: var(--muted);
  font-size: 13px;
}
.footer-brand { color: var(--ink); grid-row: 1 / 3; }
footer p { margin: 0; }
footer > div { display: flex; gap: 20px; justify-content: flex-end; }
footer > small { grid-column: 2 / 4; }

.legal-page { min-height: 100vh; background: #fff; }
.legal-header { border-bottom: 1px solid var(--line); }
.legal-article { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 90px 0 110px; }
.legal-article h1 { margin-bottom: 12px; font-size: clamp(48px, 8vw, 78px); letter-spacing: -.065em; line-height: .98; }
.legal-updated { color: var(--muted); font-size: 13px; }
.legal-intro { margin: 48px 0 56px; padding: 27px; border-radius: 20px; background: #efedff; font-size: 19px; line-height: 1.6; letter-spacing: -.02em; }
.legal-article section { padding: 30px 0; border-top: 1px solid var(--line); }
.legal-article h2 { margin-bottom: 13px; font-size: 24px; letter-spacing: -.035em; }
.legal-article section p { margin-bottom: 12px; color: #575466; line-height: 1.72; }
.legal-article section p[lang] { color: #7b7886; font-size: 14px; }
.legal-article section a { color: var(--violet); text-decoration: underline; text-underline-offset: 3px; }
.legal-actions { display: flex; gap: 12px; margin-top: 45px; }
.legal-footer { display: block; min-height: 90px; padding-top: 34px; text-align: center; }

@media (max-width: 920px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding-top: 70px; }
  .hero-copy { text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .trust-row { justify-content: center; }
  .hero-visual { height: 610px; }
  .help-grid { grid-template-columns: 1fr; }
  .help-card { min-height: 250px; }
  .feature-band { grid-template-columns: 1fr; padding-bottom: 0; }
  .screenshot-stack { width: min(560px, 100%); margin: 0 auto; }
  .faq-section { grid-template-columns: 1fr; gap: 20px; }
  .faq-section .section-heading { position: static; }
  .billing-links { grid-template-columns: 1fr; }
  .billing-actions { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 560px) {
  .site-header { width: min(100% - 28px, 1180px); height: 76px; }
  .brand { font-size: 16px; }
  .brand img { width: 37px; height: 37px; }
  .header-contact { padding: 9px 13px; font-size: 12px; }
  .hero { width: min(100% - 28px, 1180px); min-height: auto; padding: 64px 0 78px; }
  .hero h1 { font-size: clamp(50px, 15vw, 72px); }
  .hero-lead { font-size: 18px; }
  .button { width: 100%; }
  .hero-actions { flex-direction: column; }
  .trust-row { display: grid; gap: 8px; }
  .hero-visual { height: 510px; }
  .hero-visual > img { width: 214px; border-radius: 30px; }
  .orbit-one { width: 390px; height: 390px; }
  .orbit-two { width: 300px; height: 300px; }
  .float-card { min-width: 138px; padding: 11px 13px; }
  .float-one { top: 100px; left: 0; }
  .float-two { right: 0; bottom: 90px; }
  .quick-help, .faq-section { width: min(100% - 28px, 1180px); padding: 82px 0; }
  .help-card { min-height: 240px; padding: 26px; }
  .feature-band { padding: 85px 20px 0; gap: 45px; }
  .screenshot-stack { height: 470px; }
  .screenshot-stack img { width: 185px; border-radius: 26px; }
  .screenshot-stack img:first-child { left: 4px; }
  .screenshot-stack img:last-child { right: 3px; bottom: -35px; }
  summary { font-size: 16px; padding-right: 34px; }
  summary span { display: block; margin-bottom: 7px; }
  .faq-answer { padding-left: 0; padding-right: 25px; }
  .billing-links { width: min(100% - 28px, 1180px); margin-bottom: 70px; padding: 30px 23px; gap: 25px; }
  .billing-actions { flex-direction: column; }
  .contact-section { width: min(100% - 28px, 880px); padding: 80px 0 90px; }
  footer { width: min(100% - 28px, 1180px); grid-template-columns: 1fr; grid-template-rows: auto; padding: 35px 0; gap: 16px; text-align: center; }
  .footer-brand { grid-row: auto; justify-content: center; }
  footer > div { justify-content: center; }
  footer > small { grid-column: auto; }
  .legal-article { width: min(100% - 32px, 760px); padding: 70px 0 85px; }
  .legal-intro { margin: 35px 0 45px; padding: 22px; font-size: 17px; }
  .legal-actions { flex-direction: column; }
}

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