:root {
  --bg: #f3f7fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --text: #132238;
  --muted: #5c6c80;
  --border: rgba(19, 34, 56, 0.12);
  --accent: #0e8f7d;
  --accent-dark: #0a6d5f;
  --shadow: 0 24px 70px rgba(19, 34, 56, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Manrope', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 143, 125, 0.14), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero,
.section,
.footer {
  backdrop-filter: blur(20px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.8fr);
  gap: 24px;
  padding: 40px;
  border-radius: 32px;
}

.eyebrow,
.section__eyebrow,
.panel-card__label {
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
}

.hero h1,
.section h2 {
  margin: 0;
  line-height: 1.02;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  letter-spacing: -0.04em;
}

.hero__lead,
.info-card p,
.channel-card p,
.faq-item p,
.footer p,
.support-form__hint {
  color: var(--muted);
  line-height: 1.65;
}

.hero__lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 1.05rem;
}

.hero__actions,
.support-form__actions,
.footer,
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__actions {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  border: 0;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent) 0%, #12a48f 100%);
}

.button--ghost {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
}

.response-card,
.panel-card,
.info-card,
.channel-card,
.support-form,
.faq-item {
  border: 1px solid var(--border);
  background: var(--surface-strong);
}

.response-card {
  display: grid;
  gap: 6px;
  max-width: 520px;
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: 20px;
}

.hero__panel {
  display: flex;
  align-items: stretch;
}

.panel-card {
  width: 100%;
  padding: 24px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(14, 143, 125, 0.08), rgba(14, 143, 125, 0.02)),
    var(--surface-strong);
}

.panel-card__list {
  margin: 0;
  padding-left: 20px;
  line-height: 1.8;
}

.section {
  margin-top: 24px;
  padding: 34px;
  border-radius: 28px;
}

.section__heading {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.section h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  letter-spacing: -0.04em;
}

.steps-grid,
.channels-grid {
  display: grid;
  gap: 18px;
}

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

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

.info-card,
.channel-card {
  padding: 24px;
  border-radius: 24px;
}

.info-card__index {
  display: inline-flex;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  color: var(--accent-dark);
  background: rgba(14, 143, 125, 0.12);
  font-weight: 800;
}

.channel-card h3,
.info-card h3 {
  margin: 0 0 12px;
}

.channel-card a {
  font-weight: 700;
  color: var(--accent-dark);
}

.support-form {
  display: grid;
  gap: 18px;
  padding: 24px;
  border-radius: 24px;
}

.support-form label {
  display: grid;
  gap: 10px;
  font-weight: 700;
}

.support-form input,
.support-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 18px;
  font: inherit;
  color: var(--text);
  background: #fbfdff;
}

.support-form input:focus,
.support-form textarea:focus {
  outline: 2px solid rgba(14, 143, 125, 0.26);
  border-color: rgba(14, 143, 125, 0.42);
}

.support-form__actions {
  align-items: center;
  justify-content: space-between;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 18px 20px;
  border-radius: 20px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 12px 0 0;
}

.footer {
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding: 22px 24px;
  border-radius: 24px;
}

.footer p {
  margin: 6px 0 0;
}

.footer nav a {
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 920px) {
  .hero,
  .steps-grid,
  .channels-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 20px;
  }

  .hero,
  .section {
    padding: 24px;
    border-radius: 24px;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .button,
  .hero__actions a,
  .support-form__actions button {
    width: 100%;
  }

  .support-form__actions {
    flex-direction: column;
    align-items: flex-start;
  }

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