:root {
  --green-950: #003d31;
  --green-900: #005440;
  --green-800: #006b4f;
  --green-600: #00a750;
  --green-100: #def5e7;
  --green-50: #f1faf5;
  --yellow: #f9bd18;
  --ink: #17201d;
  --muted: #5f6d67;
  --line: #dce7e1;
  --white: #ffffff;
  --shadow: 0 22px 55px rgba(0, 62, 48, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  overflow-wrap: anywhere;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  min-height: 88px;
  margin: 0 auto;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
  color: var(--green-950);
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: clamp(42px, 7vw, 56px);
  height: auto;
  aspect-ratio: 1;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 50%;
}

.independent-badge {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.section-shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  min-height: 570px;
  gap: clamp(36px, 7vw, 90px);
  padding-block: 48px 80px;
}

.hero > * {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-800);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  color: var(--green-950);
  font-size: clamp(2.45rem, 5.4vw, 4.8rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.telegram-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 14px 22px;
  border-radius: 14px;
  color: var(--white);
  background: var(--green-800);
  box-shadow: 0 12px 28px rgba(0, 107, 79, 0.2);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.telegram-button:hover {
  background: var(--green-950);
  transform: translateY(-2px);
}

.telegram-button:focus-visible,
.official-link:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.button-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  min-width: 0;
  margin-inline: auto;
}

.hero-visual::before {
  position: absolute;
  z-index: -1;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 167, 80, 0.18), rgba(0, 167, 80, 0) 68%);
  content: "";
}

.logo-card {
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(0, 107, 79, 0.12);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.logo-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.explanation {
  padding-block: 70px;
}

.section-heading {
  max-width: 650px;
  margin-bottom: 34px;
}

h2 {
  margin-bottom: 16px;
  color: var(--green-950);
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.step-number {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--green-600);
  font-size: 0.78rem;
  font-weight: 900;
}

.step-card h3 {
  margin-bottom: 8px;
  color: var(--green-950);
  font-size: 1.13rem;
}

.step-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.notice {
  padding: clamp(28px, 5vw, 58px);
  border-radius: var(--radius-lg);
  color: var(--white);
  background: var(--green-950);
}

.notice-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.notice-title > span {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--green-950);
  background: var(--yellow);
  font-weight: 900;
}

.notice h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
}

.notice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 36px;
}

.notice-grid p {
  margin: 0;
  color: #d5e6df;
  font-size: 0.94rem;
}

.notice-grid strong {
  color: var(--white);
}

.official-link {
  display: inline-block;
  margin-top: 30px;
  color: var(--yellow);
  font-weight: 800;
}

.final-cta {
  margin-top: 70px;
  margin-bottom: 70px;
  padding: clamp(34px, 7vw, 78px);
  border-radius: var(--radius-lg);
  text-align: center;
  background: var(--green-50);
}

.final-cta h2 {
  max-width: 720px;
  margin-inline: auto;
}

.final-cta > p:not(.eyebrow) {
  color: var(--muted);
}

.telegram-button--light {
  margin-top: 10px;
}

footer {
  padding: 32px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  font-size: 0.78rem;
}

footer p {
  margin: 3px 0;
}

@media (max-width: 780px) {
  .site-header,
  .section-shell {
    width: min(100% - 28px, 620px);
  }

  .site-header {
    min-height: 76px;
  }

  .brand img {
    width: 46px;
  }

  .brand span {
    font-size: 0.9rem;
  }

  .independent-badge {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 30px 58px;
    text-align: center;
  }

  .hero-copy {
    display: flex;
    align-items: center;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 3.8rem);
  }

  .hero-visual {
    order: -1;
    width: min(78vw, 350px);
    max-width: 100%;
    margin-inline: auto;
  }

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

  .explanation {
    padding-block: 50px;
  }

  .step-card {
    padding: 24px;
  }

  .step-number {
    margin-bottom: 18px;
  }

  .telegram-button {
    width: 100%;
  }

  .final-cta {
    margin-block: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .telegram-button {
    transition: none;
  }
}