:root {
  --ink: #171512;
  --muted: #716c69;
  --cream: #fff7eb;
  --paper: #fffdfa;
  --pink: #ff739e;
  --pink-soft: #ffe5ed;
  --yellow: #ffd14d;
  --blue: #a9d5fb;
  --green: #bcebcf;
  --line: rgba(23, 21, 18, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 78px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 247, 235, 0.88);
  backdrop-filter: blur(16px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 750; }
.brand-logo { display: block; width: 34px; height: 34px; border-radius: 10px; object-fit: cover; }

nav { display: flex; gap: 30px; color: var(--muted); font-size: 14px; }
nav a:hover, .footer-links a:hover { color: var(--pink); }

.header-download { justify-self: end; padding: 10px 16px; border: 1px solid var(--ink); border-radius: 999px; font-size: 13px; font-weight: 650; }
.header-download:hover { color: white; background: var(--ink); }

.hero { display: grid; grid-template-columns: 1.06fr 0.94fr; align-items: center; min-height: 700px; padding: 86px 9vw 0; overflow: hidden; }
.hero-copy { padding-bottom: 86px; }
.eyebrow { margin: 0 0 15px; color: var(--pink); font-size: 13px; font-weight: 750; letter-spacing: 0.08em; }
h1, h2 { margin: 0; font-weight: 800; letter-spacing: 0; line-height: 1.13; }
h1 { max-width: 700px; font-size: clamp(46px, 5.8vw, 84px); }
h2 { font-size: clamp(32px, 4vw, 56px); }
.hero-description { max-width: 490px; margin: 29px 0 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 23px; border-radius: 999px; font-size: 15px; font-weight: 750; transition: transform 160ms ease, background 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--pink); }
.button-dark { color: white; background: var(--ink); }
.text-link { font-size: 15px; font-weight: 700; }
.text-link span { margin-left: 5px; color: var(--pink); }
.platform-note { margin: 26px 0 0; color: var(--muted); font-size: 13px; }

.hero-visual { position: relative; align-self: end; display: flex; justify-content: center; height: 630px; }
.hero-visual::before { position: absolute; inset: 80px 2% 0; border-radius: 260px 260px 0 0; background: var(--blue); content: ""; }
.phone-shell { position: relative; z-index: 1; width: min(340px, 78vw); overflow: hidden; border: 8px solid #1c1c1d; border-radius: 43px; background: #1c1c1d; box-shadow: 0 28px 55px rgba(60, 42, 33, 0.2); aspect-ratio: 0.462; }
.phone-shell img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.hero-phone { width: min(350px, 82vw); margin-top: 20px; }

.statement { padding: 128px 9vw; color: var(--paper); background: var(--ink); }
.statement .eyebrow { color: var(--yellow); }
.statement h2 { max-width: 830px; }
.statement-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 42px; }
.statement-tags span { padding: 9px 16px; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: 999px; color: rgba(255, 255, 255, 0.8); font-size: 14px; }

.feature-section { display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: 700px; padding: 90px 11vw; gap: 10vw; overflow: hidden; }
.feature-section p:not(.eyebrow):not(.feature-index) { max-width: 410px; margin: 27px 0 0; color: var(--muted); font-size: 17px; }
.feature-index { margin: 0 0 72px; color: rgba(23, 21, 18, 0.28); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.device-wrap { position: relative; display: flex; justify-content: center; min-height: 510px; }
.device-wrap::before { position: absolute; width: 500px; max-width: 120%; height: 500px; border-radius: 50%; content: ""; }
.feature-projects { background: #fffdf9; }
.feature-projects .device-wrap::before { background: var(--pink-soft); }
.feature-calendar { background: #eaf6ff; }
.feature-calendar .device-wrap::before { background: #c2e4ff; }
.feature-billing { background: #fff2c9; }
.feature-billing .device-wrap::before { background: #ffe08d; }
.device-right::before { right: -180px; top: 4px; }
.device-left::before { left: -180px; top: 4px; }
.device-wrap .phone-shell { align-self: center; }

.roles-section { padding: 126px 9vw 0; background: var(--paper); }
.roles-heading { max-width: 710px; }
.roles-layout { display: grid; grid-template-columns: 1fr 0.7fr; align-items: end; gap: 8vw; margin-top: 76px; }
.roles-list { display: flex; flex-wrap: wrap; align-content: center; gap: 12px; padding-bottom: 68px; }
.roles-list span { padding: 14px 17px; border: 1px solid var(--line); border-radius: 999px; background: white; font-size: 15px; font-weight: 650; }
.roles-list span:nth-child(3n + 2) { border-color: transparent; background: var(--pink-soft); }
.roles-list span:nth-child(3n) { border-color: transparent; background: #e1f2ff; }
.roles-phone { margin-left: auto; }

.membership-section { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; margin: 0; padding: 125px 9vw; color: white; background: #5e5a87; }
.membership-section .eyebrow { color: #ffe5ed; }
.membership-section > div > p:last-child { max-width: 475px; margin: 27px 0 0; color: rgba(255, 255, 255, 0.75); font-size: 17px; }
.membership-points { align-self: center; border-top: 1px solid rgba(255, 255, 255, 0.25); }
.membership-points p { display: flex; justify-content: space-between; gap: 18px; margin: 0; padding: 21px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.25); }
.membership-points strong { font-size: 16px; }
.membership-points span { color: rgba(255, 255, 255, 0.72); font-size: 14px; text-align: right; }

.closing { padding: 140px 9vw; text-align: center; background: var(--green); }
.closing .eyebrow { color: #246f4e; }
.closing h2 { max-width: 680px; margin: 0 auto; }
.closing .button { margin-top: 36px; }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 40px; padding: 52px 5vw 25px; color: var(--paper); background: var(--ink); }
.site-footer p { margin: 11px 0 0; color: rgba(255, 255, 255, 0.55); font-size: 13px; }
.footer-links { display: flex; gap: 25px; align-self: center; color: rgba(255, 255, 255, 0.72); font-size: 14px; }
.copyright { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.icp-link { margin-left: 16px; }

.legal-header { position: static; }
.legal-main { width: min(780px, calc(100% - 40px)); margin: 0 auto; padding: 100px 0 120px; }
.legal-main h1 { font-size: clamp(40px, 6vw, 62px); }
.legal-intro { max-width: 630px; margin: 22px 0 60px; color: var(--muted); font-size: 17px; }
.legal-section { padding: 28px 0; border-top: 1px solid var(--line); }
.legal-section h2 { font-size: 24px; }
.legal-section p, .legal-section li { color: #514d49; }
.legal-section ul { padding-left: 20px; }
.support-contact { display: inline-flex; margin-top: 9px; padding: 12px 16px; border-radius: 9px; color: white; background: var(--ink); font-weight: 700; }

@media (max-width: 760px) {
  .site-header { grid-template-columns: 1fr auto; min-height: 67px; padding: 0 20px; }
  nav { display: none; }
  .brand { font-size: 16px; }
  .header-download { padding: 8px 12px; font-size: 12px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 68px 26px 0; }
  .hero-copy { padding-bottom: 45px; }
  .hero-description { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-visual { height: 500px; }
  .hero-visual::before { inset: 70px -18% 0; }
  .statement { padding: 86px 26px; }
  .feature-section { grid-template-columns: 1fr; min-height: auto; padding: 80px 26px; gap: 46px; }
  .feature-calendar .device-wrap { grid-row: 2; }
  .feature-index { margin-bottom: 44px; }
  .device-wrap { min-height: 455px; }
  .device-wrap::before { width: 410px; height: 410px; }
  .device-right::before { right: -200px; }
  .device-left::before { left: -200px; }
  .roles-section { padding: 86px 26px 0; }
  .roles-layout { grid-template-columns: 1fr; margin-top: 48px; }
  .roles-list { padding-bottom: 0; }
  .roles-phone { margin: 0 auto; }
  .membership-section { grid-template-columns: 1fr; gap: 52px; padding: 84px 26px; }
  .membership-points p { flex-direction: column; gap: 4px; }
  .membership-points span { text-align: left; }
  .closing { padding: 92px 26px; }
  .site-footer { grid-template-columns: 1fr; padding: 45px 26px 25px; }
  .footer-links { flex-wrap: wrap; justify-content: flex-start; gap: 15px 22px; }
  .icp-link { margin-left: 0; }
  .legal-main { padding: 70px 0 90px; }
}