:root {
  --ink: #24333d;
  --muted: #60717d;
  --paper: #f7f8fb;
  --surface: #ffffff;
  --line: #dfe5eb;
  --accent: #4d6fd6;
  --accent-dark: #3653ad;
  --accent-soft: #eef2ff;
  --mint: #e9f7f2;
  --mint-dark: #317762;
  --max: 1080px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-dark);
}

a:hover,
a:focus {
  color: #263e8c;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.content,
.footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--accent);
  border-radius: 11px;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav a {
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.hero {
  padding: 74px 0 80px;
  background:
    radial-gradient(circle at 15% 15%, rgba(77, 111, 214, 0.1), transparent 28%),
    radial-gradient(circle at 90% 80%, rgba(70, 168, 135, 0.1), transparent 25%),
    var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: clamp(42px, 7vw, 86px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 68px);
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(30px, 5vw, 43px);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 21px;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
}

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  color: #fff;
  background: var(--accent);
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 26px rgba(77, 111, 214, 0.18);
}

.button:hover,
.button:focus {
  color: #fff;
  background: var(--accent-dark);
}

.text-link {
  font-size: 16px;
  font-weight: 700;
}

.trust-list {
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 14px;
  list-style: none;
}

.trust-list li::before {
  content: "✓";
  margin-right: 7px;
  color: var(--mint-dark);
  font-weight: 800;
}

.poll-card {
  padding: clamp(26px, 5vw, 38px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 22px 60px rgba(36, 51, 61, 0.11);
}

.poll-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.poll-progress {
  height: 7px;
  margin: 14px 0 28px;
  overflow: hidden;
  background: #e8ebf0;
  border-radius: 999px;
}

.poll-progress i {
  width: 25%;
  height: 100%;
  display: block;
  background: var(--accent);
}

.poll-card h2 {
  font-size: clamp(26px, 4vw, 34px);
}

.poll-options {
  display: grid;
  gap: 10px;
}

.poll-options span {
  min-height: 58px;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 11px;
  color: #34444f;
  font-size: 15px;
  font-weight: 600;
}

.poll-options i {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  border: 2px solid #adb8c1;
  border-radius: 50%;
}

.poll-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-soft {
  background: var(--surface);
}

.steps,
.topic-grid {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.steps {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step,
.topic-card,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 15px;
}

.step {
  padding: 28px;
  background: var(--paper);
}

.step > span,
.topic-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  display: grid;
  place-items: center;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
}

.step p,
.topic-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.topic-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.topic-card {
  min-height: 210px;
  padding: 30px;
}

.notice {
  padding: clamp(30px, 5vw, 48px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 42px;
  background: var(--mint);
  border: 1px solid #cfe7df;
  border-radius: 18px;
}

.notice h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 38px);
}

.notice > p {
  color: #405b52;
}

.notice-compact {
  margin-top: 52px;
}

.page {
  max-width: 820px;
  padding: 72px 0 92px;
}

.page h1 {
  font-size: clamp(40px, 6vw, 58px);
}

.page h2 {
  margin-top: 42px;
  font-size: 28px;
}

.page p,
.page li {
  color: #41525d;
}

.page-meta {
  color: var(--muted);
  font-size: 15px;
}

.principles {
  padding-left: 22px;
}

.principles li {
  margin-bottom: 14px;
}

.contact-card {
  margin: 42px 0;
  padding: clamp(28px, 5vw, 42px);
}

.contact-card h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 4vw, 36px);
}

.site-footer {
  padding: 40px 0;
  color: var(--muted);
  background: #eef1f5;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a,
.copyright {
  font-size: 15px;
}

.copyright {
  margin: 0;
}

.thank-you-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.thank-you-shell {
  width: min(calc(100% - 40px), 720px);
  margin: auto;
  padding: 72px 0;
}

.thank-you-card {
  padding: clamp(34px, 7vw, 58px);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 18px 50px rgba(36, 51, 61, 0.09);
}

.thank-you-card h1 {
  max-width: none;
  margin-bottom: 20px;
  font-size: clamp(36px, 7vw, 52px);
}

.thank-you-card > p:not(.eyebrow) {
  max-width: 560px;
  margin-right: auto;
  margin-left: auto;
  color: var(--muted);
}

.thank-you-check {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--mint-dark);
  border-radius: 50%;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
}

.thank-you-note {
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 16px;
}

@media (max-width: 820px) {
  body {
    font-size: 17px;
  }

  .hero-grid,
  .notice {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 44px;
  }

  .steps,
  .topic-grid {
    grid-template-columns: 1fr;
  }

  .step,
  .topic-card {
    min-height: auto;
  }
}

@media (max-width: 620px) {
  .header-inner {
    min-height: 68px;
  }

  .brand {
    font-size: 18px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .nav {
    gap: 14px;
  }

  .nav a {
    font-size: 14px;
  }

  .hero {
    padding: 50px 0 56px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .trust-list {
    align-items: flex-start;
    flex-direction: column;
  }

  .poll-card {
    padding: 24px 16px;
    border-radius: 16px;
  }

  .section {
    padding: 54px 0;
  }

  .page {
    padding: 54px 0 70px;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}