:root {
  --ink: #102a34;
  --muted: #5e727a;
  --line: #dbe6e9;
  --soft: #f4f8f8;
  --accent: #176578;
  --accent-dark: #0e5062;
  --accent-pale: #e8f2f4;
  --success: #228457;
  --white: #fff;
  --shadow: 0 22px 70px rgba(21, 62, 72, .11);
  --radius: 24px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 12px 18px; background: var(--ink); color: #fff; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.header { position: fixed; inset: 0 0 auto; z-index: 50; border-bottom: 1px solid transparent; transition: background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.header.is-scrolled { background: rgba(255,255,255,.94); border-color: var(--line); box-shadow: 0 8px 30px rgba(15,43,52,.05); backdrop-filter: blur(14px); }
.header__inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 15px; font-weight: 800; letter-spacing: .075em; }
.brand__mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: var(--accent); font-size: 15px; letter-spacing: 0; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 650; }
.nav > a:not(.button) { color: #39525b; transition: color .18s ease; }
.nav > a:not(.button):hover { color: var(--accent); }
.menu-button { display: none; width: 44px; height: 44px; padding: 11px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.menu-button span { display: block; height: 2px; margin: 4px 0; border-radius: 4px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }

.button { min-height: 52px; padding: 14px 22px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--accent); border-radius: 13px; background: var(--accent); color: #fff; font-weight: 750; line-height: 1.15; cursor: pointer; transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); background: var(--accent-dark); border-color: var(--accent-dark); box-shadow: 0 12px 26px rgba(23,101,120,.18); }
.button--small { min-height: 42px; padding: 10px 17px; border-radius: 11px; }
.button--secondary { color: var(--accent); background: #fff; border-color: #b9d0d5; }
.button--secondary:hover { color: var(--accent-dark); background: var(--accent-pale); border-color: #8bb4bd; box-shadow: none; }
.button--success { min-height: 44px; background: var(--success); border-color: var(--success); padding: 11px 18px; }
.button--success:hover { background: #176f48; border-color: #176f48; box-shadow: 0 10px 24px rgba(34,132,87,.18); }
.button--ghost { min-height: 44px; color: var(--ink); background: #fff; border-color: var(--line); padding: 11px 18px; }
.button--ghost:hover { color: var(--accent); background: var(--soft); border-color: #bdd1d5; box-shadow: none; }

.hero { min-height: 100svh; padding: 150px 0 78px; display: flex; align-items: center; overflow: hidden; background: radial-gradient(circle at 86% 38%, #edf6f7 0, #fff 37%); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(410px, .82fr); align-items: center; gap: clamp(56px, 8vw, 110px); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.eyebrow__dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 6px var(--accent-pale); }
h1 { max-width: 790px; margin: 24px 0 22px; font-size: clamp(44px, 5.4vw, 76px); line-height: 1.03; letter-spacing: -.045em; }
.hero__lead { max-width: 710px; margin: 0; color: #445e67; font-size: clamp(19px, 2vw, 24px); line-height: 1.45; }
.process-line { max-width: 800px; margin: 34px 0; padding: 18px 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 7px 10px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.76); color: #405a63; font-size: 13px; }
.process-line span { font-weight: 650; }
.process-line i { color: #8da5ad; font-style: normal; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__note { margin: 20px 0 0; color: #72858c; font-size: 13px; }
.hero__note span { margin: 0 5px; color: #a4b5ba; }

.interface-wrap { position: relative; padding: 34px 18px; }
.interface-glow { position: absolute; width: 430px; height: 430px; inset: 50% auto auto 50%; transform: translate(-50%,-50%); border-radius: 50%; background: #e6f2f4; filter: blur(5px); }
.act-card { position: relative; z-index: 2; padding: 30px; border: 1px solid #d8e5e8; border-radius: 26px; background: rgba(255,255,255,.95); box-shadow: var(--shadow); }
.act-card__top { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; }
.label { display: block; margin-bottom: 5px; color: #7d9097; font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.act-card h2 { margin: 0; font-size: 28px; letter-spacing: -.025em; }
.status { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 99px; background: #eef3f4; color: #4c646d; font-size: 12px; font-weight: 750; }
.status i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.act-card__address { margin: 28px 0; padding: 16px; display: flex; align-items: center; gap: 14px; border-radius: 14px; background: var(--soft); }
.mini-icon { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #c9dadd; border-radius: 11px; color: var(--accent); background: #fff; font-size: 20px; }
.act-card__address strong { display: block; font-size: 16px; }
.act-card__meta { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.act-card__meta div { min-width: 0; }
.act-card__meta dt { margin-bottom: 5px; color: #7d9097; font-size: 12px; }
.act-card__meta dd { margin: 0; font-weight: 700; font-size: 14px; }
.act-card__divider { height: 1px; margin: 25px 0 20px; background: var(--line); }
.act-card__caption { margin: 0 0 13px; color: #667b83; font-size: 12px; }
.act-card__actions { display: grid; grid-template-columns: 1fr 1.3fr; gap: 10px; }
.event-chip { position: relative; z-index: 3; width: max-content; max-width: 90%; margin: -10px -16px 0 auto; padding: 12px 16px; border: 1px solid #cce4d8; border-radius: 13px; background: #fff; box-shadow: 0 14px 34px rgba(20,70,55,.1); color: #31684f; font-size: 12px; font-weight: 750; }
.event-chip span { margin-right: 7px; color: var(--success); }

.section { min-height: 100svh; padding: 110px 0; display: flex; align-items: center; }
.section--soft { background: var(--soft); }
.section-heading { max-width: 820px; margin: 0 auto 54px; text-align: center; }
.section-heading h2, .demo h2 { margin: 15px 0 0; font-size: clamp(36px, 4.4vw, 58px); line-height: 1.08; letter-spacing: -.04em; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-card { position: relative; min-height: 360px; padding: 31px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.step-card__number { position: absolute; top: 20px; right: 24px; color: #d3dfe2; font-size: 42px; font-weight: 800; letter-spacing: -.06em; }
.step-card__icon { width: 48px; height: 48px; margin-bottom: 54px; display: grid; place-items: center; border-radius: 14px; color: var(--accent); background: var(--accent-pale); font-size: 24px; }
.step-card h3 { margin: 0 0 14px; font-size: 23px; letter-spacing: -.025em; }
.step-card p { margin: 8px 0; color: var(--muted); font-size: 14px; }
.choice-list { margin: 14px 0; display: flex; flex-direction: column; align-items: flex-start; gap: 5px; color: var(--accent); font-size: 14px; }
.choice-list span { color: #93a5aa; font-size: 11px; text-transform: uppercase; }
.status-flow { margin: 28px auto 0; padding: 19px 24px; display: flex; align-items: center; justify-content: center; gap: 14px; border: 1px solid #d9e5e7; border-radius: 16px; background: rgba(255,255,255,.7); color: #47616a; font-size: 13px; font-weight: 750; }
.status-flow i { color: #a4b7bc; font-style: normal; }
.history-note { margin: 22px 0 0; color: #62777e; text-align: center; font-size: 14px; }
.history-note span { margin-right: 7px; color: var(--accent); }

.audience-section { display: block; padding-bottom: 80px; }
.audiences { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
.audience-card { padding: 38px; display: flex; flex-direction: column; border: 1px solid #ccdde1; border-radius: 26px; background: #f8fbfb; }
.audience-card--chairman { background: #fff; }
.audience-card__head { display: flex; align-items: center; gap: 15px; }
.audience-card__badge { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; background: var(--accent); color: #fff; font-size: 13px; font-weight: 800; }
.audience-card h3 { margin: 0; font-size: 26px; letter-spacing: -.03em; }
.check-list { margin: 30px 0; padding: 0; display: grid; gap: 13px; list-style: none; }
.check-list li { position: relative; padding-left: 29px; color: #465f68; font-size: 15px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 19px; height: 19px; display: grid; place-items: center; border-radius: 50%; color: var(--accent); background: var(--accent-pale); font-size: 11px; font-weight: 900; }
.price-block, .free-block { min-height: 135px; margin: auto 0 24px; padding: 22px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.price-block > span, .free-block > span { display: block; color: #72868d; font-size: 12px; }
.price-block strong, .free-block strong { display: block; margin-top: 4px; color: var(--ink); font-size: 28px; letter-spacing: -.025em; }
.price-block strong small { font-size: 15px; font-weight: 650; }
.price-block p { margin: 6px 0 0; color: #73858b; font-size: 12px; }
.free-block { background: #f4faf7; border-color: #d8eade; }
.free-block strong { color: var(--success); }
.audience-card > .button { align-self: flex-start; }

.demo { margin-top: 70px; padding: 52px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; border-radius: 28px; color: #fff; background: var(--ink); }
.eyebrow--light { color: #8ec9d4; }
.demo h2 { margin-top: 14px; font-size: clamp(34px, 4vw, 50px); }
.demo__copy p { margin: 18px 0 0; color: #bdd0d5; font-size: 18px; }
.demo-form { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.demo-form label:nth-child(3), .demo-form .button, .form-note, .form-status { grid-column: 1 / -1; }
.demo-form label span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.demo-form input { width: 100%; height: 54px; padding: 0 16px; border: 1px solid #41606a; border-radius: 12px; outline: none; color: #fff; background: #193943; transition: border-color .18s ease, box-shadow .18s ease; }
.demo-form input::placeholder { color: #8facb4; }
.demo-form input:focus { border-color: #8ec9d4; box-shadow: 0 0 0 3px rgba(142,201,212,.13); }
.button--light { color: var(--ink); background: #fff; border-color: #fff; }
.button--light:hover { color: var(--accent-dark); background: #eff7f8; border-color: #eff7f8; }
.form-note, .form-status { margin: 0; color: #8facb4; font-size: 11px; }
.form-status { min-height: 0; color: #b9d7dd; }

.footer { padding: 35px 0; border-top: 1px solid var(--line); }
.footer__inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; }
.brand--footer { font-size: 13px; }
.brand--footer .brand__mark { width: 30px; height: 30px; border-radius: 9px; }
.footer__links { display: flex; justify-content: center; gap: 24px; color: #60747c; font-size: 12px; }
.footer__links a:hover { color: var(--accent); }
.footer p { margin: 0; color: #7c8e94; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .nav { gap: 18px; }
  .hero__grid { grid-template-columns: 1fr 390px; gap: 35px; }
  .process-line { font-size: 12px; }
  .step-card { padding: 26px; }
  .status-flow { flex-wrap: wrap; }
  .demo { padding: 42px; grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 840px) {
  .container { width: min(100% - 32px, var(--container)); }
  .header__inner { min-height: 70px; }
  .menu-button { display: block; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .nav { position: absolute; top: 70px; left: 16px; right: 16px; padding: 18px; display: none; align-items: stretch; gap: 4px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
  .nav.is-open { display: flex; flex-direction: column; }
  .nav > a { padding: 11px 10px; }
  .nav .button { margin-top: 6px; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero__grid { grid-template-columns: 1fr; }
  .interface-wrap { width: min(100%, 520px); margin: 0 auto; }
  .section { min-height: auto; padding: 88px 0; }
  .steps { grid-template-columns: 1fr; }
  .step-card { min-height: auto; }
  .step-card__icon { margin-bottom: 38px; }
  .audiences { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; text-align: center; }
  .footer .brand { justify-self: center; }
  .footer__links { flex-wrap: wrap; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 24px, var(--container)); }
  .brand { font-size: 13px; }
  .brand__mark { width: 31px; height: 31px; }
  h1 { margin-top: 20px; font-size: clamp(38px, 12vw, 52px); }
  .hero__lead { font-size: 18px; }
  .process-line { align-items: flex-start; flex-direction: column; }
  .process-line i { transform: rotate(90deg); margin-left: 4px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .button { width: 100%; }
  .hero__note { line-height: 1.8; }
  .hero__note span { display: none; }
  .act-card { padding: 22px; border-radius: 20px; }
  .act-card__top { flex-direction: column; }
  .act-card__meta { grid-template-columns: 1fr; }
  .act-card__actions { grid-template-columns: 1fr; }
  .event-chip { margin-right: 0; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2 { font-size: 36px; }
  .status-flow { justify-content: flex-start; flex-direction: column; align-items: flex-start; }
  .status-flow i { transform: rotate(90deg); }
  .audience-card { padding: 25px; }
  .audience-card h3 { font-size: 22px; }
  .price-block strong, .free-block strong { font-size: 24px; }
  .demo { margin-top: 50px; padding: 30px 22px; }
  .demo-form { grid-template-columns: 1fr; }
  .demo-form label, .demo-form label:nth-child(3), .demo-form .button, .form-note, .form-status { grid-column: 1; }
  .footer__links { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}