:root {
  --bg: #eef5f7;
  --paper: #ffffff;
  --paper-soft: #f6fbfb;
  --ink: #1e2d33;
  --muted: #617174;
  --line: rgba(30, 45, 51, 0.1);
  --accent: #37b8b6;
  --accent-strong: #239d9b;
  --logo-neutral: #797f7e;
  --cta: #ffd43b;
  --cta-strong: #f2b400;
  --shadow: 0 18px 50px rgba(37, 84, 96, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(55, 184, 182, 0.1), transparent 22%),
    radial-gradient(circle at bottom left, rgba(124, 50, 214, 0.08), transparent 18%),
    linear-gradient(180deg, #f8fcfd 0%, var(--bg) 100%);
  font-family: "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.brand-logo {
  display: block;
  width: auto;
  height: 40px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}

.site-nav-mobile {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  cursor: pointer;
  list-style: none;
}

.menu-toggle::-webkit-details-marker {
  display: none;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  border-radius: 999px;
  background: var(--ink);
}

.mobile-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  display: grid;
  gap: 6px;
  min-width: 220px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 42px rgba(37, 84, 96, 0.16);
}

.mobile-menu a {
  padding: 10px 12px;
  border-radius: 12px;
}

.mobile-menu .nav-admin {
  justify-content: center;
  margin-top: 4px;
}

.nav-admin {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}

.hero {
  padding: 44px 0 56px;
  background: linear-gradient(135deg, #22bfd0 0%, #4e7ecf 58%, #7c32d6 100%);
}

.hero-shell {
  width: min(1360px, calc(100% - 28px));
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(520px, 1.12fr);
  gap: 28px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(42px, 4.8vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: #fff;
}

.lead {
  max-width: 580px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-inline-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.mini-metric {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.mini-metric-label {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-metric-value {
  display: block;
  margin-top: 6px;
  font-weight: 700;
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
}

.btn-primary {
  background: var(--cta);
  color: #322300;
  box-shadow: 0 14px 30px rgba(242, 180, 0, 0.28);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  backdrop-filter: blur(10px);
}

.hero-panel {
  min-width: 0;
}

.hero-visual {
  overflow: visible;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 28px 46px rgba(16, 26, 58, 0.28));
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.metric-card,
.feature-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metric-value {
  display: block;
  margin-top: 10px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.section {
  padding: 48px 0;
}

.section-tight {
  padding-top: 24px;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 30px;
}

.section-heading {
  max-width: 820px;
}

.section h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-copy {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.section-lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.section-accent {
  background: rgba(255, 255, 255, 0.62);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.card-grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

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

.card-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.info-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.integration-card {
  position: relative;
  padding-top: 56px;
}

.card-index {
  position: absolute;
  top: 20px;
  left: 24px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.integration-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.flow-step {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(55, 184, 182, 0.1);
  font-weight: 700;
  line-height: 1.7;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.feature-card p,
.footer-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.cta-band,
.final-cta-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.faq-list,
.news-list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.faq-item,
.news-item {
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.faq-item p,
.news-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.news-date {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.section-final-cta {
  padding-bottom: 72px;
}

.final-cta-shell {
  flex-direction: column;
  align-items: flex-start;
}

.site-footer {
  padding: 36px 0 52px;
}

.support-hero {
  padding: 64px 0 72px;
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 28px;
  align-items: start;
}

.support-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.support-copy .lead {
  color: var(--muted);
}

.support-meta {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.support-item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
}

.support-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.support-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.legal-hero {
  padding: 64px 0 72px;
}

.legal-shell {
  display: grid;
  gap: 28px;
}

.legal-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.legal-section + .legal-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.legal-section h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.legal-section p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
  white-space: pre-line;
}

.support-card h2,
.support-success h2 {
  margin: 0 0 18px;
  font-size: 28px;
}

.support-form {
  display: grid;
  gap: 16px;
}

.form-row {
  display: grid;
  gap: 8px;
}

.form-row label {
  font-weight: 700;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.form-row textarea {
  resize: vertical;
}

.field-error,
.form-errors {
  color: #9d2d2d;
  font-size: 14px;
}

.footer-minimal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .hero-grid,
  .section-grid,
  .feature-grid,
  .card-grid-3,
  .card-grid-4,
  .integration-grid,
  .integration-flow,
  .support-grid,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-shell {
    width: min(1120px, calc(100% - 40px));
  }

  .cta-band {
    display: grid;
  }
}

@media (max-width: 640px) {
  .nav-row,
  .hero-actions {
    align-items: flex-start;
  }

  .site-nav-desktop {
    display: none;
  }

  .site-nav-mobile {
    position: relative;
    display: block;
  }

  .site-nav-mobile[open] .menu-toggle {
    background: var(--paper-soft);
  }

  .brand-logo {
    height: 34px;
  }

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

  .hero h1 {
    max-width: none;
    line-height: 1.04;
  }
}