@import url('https://fonts.font.im/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --ink: #242323;
  --muted: #716b65;
  --line: #d8d0c7;
  --paper: #f5f1eb;
  --paper-deep: #e9e0d7;
  --coral: #c9674e;
  --mint: #c8dbd3;
  --yellow: #e4bf78;
  --white: #fffdf9;
  --sans: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }
.section-shell { position: relative; overflow: hidden; }
.eyebrow {
  margin: 0 0 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  line-height: 1.3;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-weight: 600; letter-spacing: -.045em; line-height: 1.08; }
h1 { font-size: clamp(56px, 7.2vw, 104px); margin-bottom: 28px; }
h2 { font-size: clamp(42px, 5vw, 72px); margin-bottom: 28px; }
h1 em, h2 em { color: var(--coral); font-style: normal; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  color: var(--ink);
}
.header-inner { align-items: center; display: flex; justify-content: space-between; min-height: 84px; }
.brand { align-items: center; display: inline-flex; gap: 12px; }
.brand-mark {
  align-items: center;
  background: var(--coral);
  border-radius: 50%;
  color: var(--white);
  display: inline-flex;
  font-size: 20px;
  font-weight: 700;
  height: 38px;
  justify-content: center;
  width: 38px;
}
.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font-size: 16px; font-weight: 700; letter-spacing: .08em; }
.brand-copy small { color: var(--muted); font-family: var(--mono); font-size: 8px; letter-spacing: .06em; }
.site-nav { align-items: center; display: flex; gap: clamp(18px, 2.4vw, 34px); }
.site-nav a { color: #5f5953; font-size: 13px; transition: color .2s ease; }
.site-nav a:hover { color: var(--coral); }
.site-nav .nav-cta { background: var(--ink); color: var(--white); padding: 12px 16px; }
.nav-cta span { color: var(--yellow); margin-left: 8px; }
.menu-toggle { background: transparent; border: 0; cursor: pointer; display: none; padding: 8px 0; }
.menu-toggle span { background: var(--ink); display: block; height: 1px; margin: 5px 0; width: 25px; }

.hero { background: var(--paper); min-height: 860px; padding: 160px 0 96px; }
.hero-grid { align-items: center; display: grid; gap: 72px; grid-template-columns: minmax(0, .88fr) minmax(420px, 1.12fr); min-height: 610px; }
.hero-copy { position: relative; z-index: 2; }
.hero-lede { color: var(--muted); font-size: 16px; line-height: 1.9; max-width: 430px; }
.hero-actions { align-items: center; display: flex; gap: 26px; margin-top: 40px; }
.button { align-items: center; display: inline-flex; font-size: 13px; font-weight: 600; gap: 30px; justify-content: space-between; padding: 15px 18px; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: var(--white); min-width: 208px; }
.button-coral { background: var(--coral); color: var(--white); min-width: 160px; }
.button span { color: var(--yellow); font-size: 18px; }
.text-link { border-bottom: 1px solid var(--ink); color: var(--ink); font-size: 13px; padding-bottom: 4px; }
.text-link span { color: var(--coral); margin-left: 8px; }
.hero-note { align-items: center; color: var(--muted); display: flex; font-family: var(--mono); font-size: 10px; gap: 10px; letter-spacing: .02em; margin-top: 60px; }
.note-dot { background: var(--coral); border-radius: 50%; height: 7px; width: 7px; }
.hero-visual { min-height: 600px; position: relative; }
.hero-image-wrap { background: var(--paper-deep); height: 600px; margin-left: auto; overflow: hidden; position: relative; width: min(100%, 580px); }
.hero-image-wrap::after { background: rgba(30, 27, 26, .12); content: ""; inset: 0; mix-blend-mode: multiply; position: absolute; }
.hero-image-wrap img { height: 100%; object-fit: cover; width: 100%; }
.image-caption { bottom: 22px; color: var(--white); display: flex; font-family: var(--mono); font-size: 10px; justify-content: space-between; left: 22px; letter-spacing: .04em; position: absolute; right: 22px; z-index: 2; }
.hero-stamp { align-items: center; background: var(--yellow); border-radius: 50%; display: flex; flex-direction: column; height: 122px; justify-content: center; position: absolute; right: -30px; top: 58px; transform: rotate(11deg); width: 122px; z-index: 3; }
.hero-stamp span { font-family: var(--mono); font-size: 8px; letter-spacing: .08em; }
.hero-stamp strong { font-size: 38px; font-weight: 700; line-height: 1.1; }
.hero-side-label { bottom: 42px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; position: absolute; right: -92px; transform: rotate(-90deg); transform-origin: top right; }
.hero-scroll { align-items: center; bottom: 34px; color: var(--muted); display: flex; font-family: var(--mono); font-size: 10px; gap: 12px; left: max(32px, calc((100vw - 1180px) / 2)); position: absolute; }
.hero-scroll span { background: var(--coral); display: block; height: 1px; width: 45px; }

.intro { background: var(--white); padding: 140px 0; }
.intro-grid { display: grid; gap: 120px; grid-template-columns: .95fr 1.05fr; }
.section-heading h2 { margin-bottom: 0; }
.intro-copy { padding-top: 8px; }
.section-kicker { font-size: 21px; line-height: 1.5; max-width: 500px; }
.intro-copy > p:not(.section-kicker) { color: var(--muted); line-height: 1.9; max-width: 520px; }
.intro-metrics { border-top: 1px solid var(--line); display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); margin-top: 54px; padding-top: 20px; }
.intro-metrics div { display: grid; gap: 3px; }
.intro-metrics strong { font-size: 34px; font-weight: 600; letter-spacing: -.04em; }
.intro-metrics span { color: var(--muted); font-size: 12px; }

.standards { background: var(--paper); padding: 140px 0 150px; }
.section-topline { align-items: end; display: flex; justify-content: space-between; margin-bottom: 74px; }
.section-topline h2 { margin-bottom: 0; }
.section-side-copy { color: var(--muted); font-size: 13px; line-height: 1.8; margin: 0 0 4px; text-align: right; }
.standard-list { border-top: 1px solid var(--line); }
.standard-item { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 30px; grid-template-columns: 56px 64px 1fr 30px; min-height: 152px; transition: padding .3s ease, background .3s ease; }
.standard-item:hover { background: var(--white); padding: 0 24px; }
.standard-number { color: var(--coral); font-family: var(--mono); font-size: 12px; }
.standard-icon { align-items: center; border: 1px solid var(--ink); border-radius: 50%; display: flex; font-size: 27px; height: 52px; justify-content: center; width: 52px; }
.icon-spark { background: var(--mint); border-color: var(--mint); }
.icon-heart { background: var(--yellow); border-color: var(--yellow); }
.standard-content h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.standard-content p { color: var(--muted); font-size: 14px; margin: 0; }
.standard-arrow { color: var(--coral); font-size: 22px; }

.apps { background: var(--mint); padding: 150px 0; }
.apps-grid { align-items: center; display: grid; gap: 110px; grid-template-columns: 1fr 1fr; }
.apps-visual { min-height: 500px; position: relative; }
.phone { background: var(--ink); border-radius: 28px; box-shadow: 20px 24px 0 rgba(36, 35, 35, .13); height: 445px; padding: 11px; position: absolute; width: 236px; }
.phone-back { left: 30px; top: 20px; transform: rotate(-8deg); }
.phone-front { left: 122px; top: 46px; transform: rotate(7deg); z-index: 2; }
.phone-screen { border-radius: 19px; color: var(--ink); display: flex; flex-direction: column; height: 100%; overflow: hidden; padding: 28px 20px; position: relative; }
.screen-retail { background: var(--paper); }
.phone-notch { background: var(--ink); border-radius: 0 0 12px 12px; height: 18px; left: 50%; position: absolute; top: 11px; transform: translateX(-50%); width: 84px; z-index: 3; }
.screen-label { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.screen-title { font-size: 24px; font-weight: 600; letter-spacing: -.04em; margin-top: 18px; }
.screen-line { background: rgba(255, 255, 255, .55); height: 1px; margin-top: 22px; width: 100%; }
.screen-small { bottom: 25px; font-family: var(--mono); font-size: 9px; left: 20px; letter-spacing: .04em; position: absolute; }
.screen-product { background: url('https://images.unsplash.com/photo-1598440947619-2c35fc9aa908?auto=format&fit=crop&w=500&q=80') center/cover; height: 218px; margin: 30px -20px 0; }
.apps-badge { background: var(--yellow); bottom: 35px; color: var(--ink); font-family: var(--mono); font-size: 10px; left: 52px; line-height: 1.5; padding: 12px 14px; position: absolute; transform: rotate(-7deg); z-index: 4; }
.apps-badge strong { font-family: var(--sans); font-size: 15px; }
.apps-copy h2 { margin-bottom: 22px; }
.apps-lede { color: #53625e; font-size: 15px; line-height: 1.85; max-width: 420px; }
.app-links { margin-top: 38px; }
.app-link { align-items: center; border-bottom: 1px solid rgba(36, 35, 35, .32); display: grid; gap: 14px; grid-template-columns: 35px 1fr 18px; padding: 16px 0; }
.app-link:first-child { border-top: 1px solid rgba(36, 35, 35, .32); }
.app-link-icon { align-items: center; background: var(--ink); border-radius: 50%; color: var(--yellow); display: flex; font-size: 18px; height: 30px; justify-content: center; width: 30px; }
.app-link-icon-alt { background: var(--coral); color: var(--white); }
.app-link strong { display: block; font-size: 15px; font-weight: 600; }
.app-link small { color: #53625e; display: block; font-size: 12px; margin-top: 2px; }
.app-link-arrow { color: var(--ink); font-size: 19px; }
.download-tip { color: #53625e; font-family: var(--mono); font-size: 10px; margin: 18px 0 0; }
.download-tip a { border-bottom: 1px solid currentColor; color: var(--ink); }

.cooperation { background: var(--coral); color: var(--white); padding: 120px 0; }
.cooperation-grid { align-items: end; display: grid; gap: 100px; grid-template-columns: 1fr 1fr; }
.cooperation .eyebrow { color: rgba(255, 253, 249, .74); }
.cooperation h2 { margin-bottom: 0; }
.cooperation h2 em { color: var(--yellow); }
.cooperation-copy { max-width: 390px; }
.cooperation-copy > p { font-size: 18px; line-height: 1.7; margin-bottom: 30px; }
.cooperation-mail { color: rgba(255, 253, 249, .7); font-family: var(--mono); font-size: 10px; margin: 24px 0 0 !important; }

.site-footer { background: var(--ink); color: var(--white); padding: 60px 0 28px; }
.footer-main { align-items: start; display: flex; justify-content: space-between; }
.footer-brand .brand-mark { background: var(--coral); }
.footer-brand .brand-copy small, .footer-brand p { color: rgba(255, 253, 249, .58); }
.footer-brand p { font-size: 12px; margin: 22px 0 0; }
.footer-links { display: flex; gap: 30px; }
.footer-links a { color: rgba(255, 253, 249, .7); font-size: 12px; }
.footer-links a:hover { color: var(--yellow); }
.footer-bottom { border-top: 1px solid rgba(255, 253, 249, .16); color: rgba(255, 253, 249, .45); display: flex; font-family: var(--mono); font-size: 9px; justify-content: space-between; margin-top: 54px; padding-top: 18px; }
.pending-toast { background: var(--ink); bottom: 24px; color: var(--white); font-size: 13px; left: 50%; opacity: 0; padding: 13px 18px; pointer-events: none; position: fixed; transform: translate(-50%, 16px); transition: opacity .25s ease, transform .25s ease; z-index: 30; }
.pending-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .container { width: min(100% - 40px, 680px); }
  .site-header { position: absolute; }
  .menu-toggle { display: block; }
  .site-nav { align-items: stretch; background: var(--white); box-shadow: 0 12px 24px rgba(36, 35, 35, .08); display: none; flex-direction: column; gap: 0; left: 20px; padding: 10px 0; position: absolute; right: 20px; top: 70px; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 20px; }
  .site-nav .nav-cta { margin: 6px 10px; }
  .hero { min-height: auto; padding: 120px 0 90px; }
  .hero-grid, .intro-grid, .apps-grid, .cooperation-grid { gap: 60px; grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .hero-visual { min-height: 520px; order: 2; }
  .hero-image-wrap { height: 520px; margin: 0; width: calc(100% - 20px); }
  .hero-stamp { right: -6px; top: 40px; }
  .hero-side-label { right: -80px; }
  .hero-scroll { display: none; }
  .intro, .standards, .apps { padding: 100px 0; }
  .intro-grid { gap: 48px; }
  .section-topline { align-items: start; flex-direction: column; gap: 20px; margin-bottom: 48px; }
  .section-side-copy { text-align: left; }
  .apps-visual { margin: 0 auto; width: min(100%, 440px); }
  .cooperation-grid { gap: 42px; }
}

@media (max-width: 520px) {
  .container { width: calc(100% - 32px); }
  .header-inner { min-height: 68px; }
  .brand-copy strong { font-size: 14px; }
  .hero { padding-top: 100px; }
  h1 { font-size: clamp(48px, 15vw, 72px); }
  h2 { font-size: clamp(39px, 12vw, 58px); }
  .hero-lede { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; margin-top: 30px; }
  .hero-note { margin-top: 42px; }
  .hero-visual { min-height: 420px; }
  .hero-image-wrap { height: 420px; width: calc(100% - 14px); }
  .hero-stamp { height: 94px; right: -8px; top: 26px; width: 94px; }
  .hero-stamp strong { font-size: 28px; }
  .hero-stamp span { font-size: 6px; }
  .hero-side-label { display: none; }
  .intro, .standards, .apps { padding: 78px 0; }
  .section-kicker { font-size: 18px; }
  .intro-metrics { gap: 12px; margin-top: 38px; }
  .intro-metrics strong { font-size: 28px; }
  .intro-metrics span { font-size: 10px; }
  .standard-item { gap: 14px; grid-template-columns: 32px 45px 1fr 16px; min-height: 128px; }
  .standard-item:hover { padding: 0 8px; }
  .standard-icon { font-size: 20px; height: 40px; width: 40px; }
  .standard-content h3 { font-size: 17px; }
  .standard-content p { font-size: 12px; line-height: 1.6; }
  .standard-arrow { font-size: 17px; }
  .apps-visual { min-height: 395px; transform: scale(.83); transform-origin: top left; width: 120%; }
  .apps-grid { gap: 0; }
  .apps-copy { margin-top: -62px; }
  .cooperation { padding: 84px 0; }
  .cooperation-copy > p { font-size: 16px; }
  .footer-main { flex-direction: column; gap: 34px; }
  .footer-links { flex-wrap: wrap; gap: 16px 24px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
}