@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap");

:root {
  --bg: #F8FAFC;
  --panel: #FFFFFF;
  --text: #0F172A;
  --muted: #64748B;
  --brand: #2563EB;
  --ai: #22D3EE;
  --success: #10B981;
  --border: #E2E8F0;
  --night: #0B1220;
  --night-panel: #172033;
  --gradient: linear-gradient(135deg, #2563EB 0%, #22D3EE 100%);
  --radius-card: 20px;
  --radius-button: 14px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 18px 60px rgba(15, 23, 42, 0.10);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(34, 211, 238, 0.10), transparent 32rem),
    radial-gradient(circle at 88% 8%, rgba(37, 99, 235, 0.10), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
p, ul { color: var(--muted); }
strong { color: var(--text); font-weight: 700; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 18px 40px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.72);
  background: rgba(248, 250, 252, 0.86);
  backdrop-filter: blur(18px);
}

.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  object-fit: cover;
  object-position: 50% 0%;
  background: #fff;
  box-shadow: var(--shadow);
}

.logo-copy { display: grid; gap: 1px; }
.logo-word {
  font-family: "Geist", "Inter", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
}
.logo-tagline {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}
.nav-links a {
  border: 0;
  border-radius: 999px;
  padding: 9px 13px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: 160ms ease;
}
.nav-links a:hover {
  background: #fff;
  color: var(--brand);
  box-shadow: 0 1px 8px rgba(15, 23, 42, 0.06);
}

.nav-login,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0 !important;
  border-radius: var(--radius-button);
  background: var(--gradient);
  color: #fff !important;
  font-weight: 700;
  box-shadow: var(--shadow);
}
.nav-login { padding: 10px 16px !important; }
.btn-primary { padding: 14px 22px; }
.btn-primary:hover, .nav-login:hover { box-shadow: var(--shadow-soft); transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-button);
  background: rgba(255,255,255,0.76);
  color: var(--text);
  padding: 14px 22px;
  font-weight: 700;
  box-shadow: 0 1px 8px rgba(15, 23, 42, 0.04);
}
.btn-secondary:hover { border-color: rgba(37, 99, 235, 0.35); color: var(--brand); }

.dev-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-bottom: 1px solid rgba(34, 211, 238, 0.24);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(34, 211, 238, 0.10));
  color: #1E3A8A;
  font-size: 14px;
}
.dev-banner strong { color: #1D4ED8; }
.dev-banner-icon { flex: 0 0 auto; }
.dev-banner-text { max-width: 980px; color: #1E3A8A; }
.dev-banner-text strong { display: block; margin-bottom: 2px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 86px 28px 70px;
}
.hero-badge,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.10);
  color: #0E7490;
  padding: 7px 13px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-badge::before,
.section-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--gradient);
}
.hero h1 {
  max-width: 760px;
  margin: 22px 0 20px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}
.hero h1 em {
  font-style: normal;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  max-width: 640px;
  margin: 0 0 30px;
  font-size: 18px;
  line-height: 1.75;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
}
.hero-visual img {
  width: min(78%, 360px);
  max-height: 84%;
  object-fit: contain;
  display: block;
}

.features,
.how,
.trust,
.content-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 28px;
}
.features-inner { max-width: none; }
.section-title,
.page-header h1 {
  margin: 14px 0 34px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.feature,
.pillar,
.info-box,
.dev-note,
.report-box {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(255,255,255,0.86);
  padding: 24px;
  box-shadow: var(--shadow);
}
.feature-icon,
.pillar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(34, 211, 238, 0.18));
  font-size: 22px;
  margin-bottom: 16px;
}
.feature h3,
.step h3,
.pillar-title,
.report-box h3 {
  margin: 0 0 8px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.feature p,
.step p,
.pillar-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.step {
  border-left: 1px solid var(--border);
  padding: 0 18px;
}
.step-number {
  margin-bottom: 16px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.trust {
  max-width: none;
  background: var(--night);
  color: #fff;
}
.trust-inner {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}
.trust h2 {
  margin: 0 0 14px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}
.trust p { color: #94A3B8; }
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}
.trust-badge {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: #F8FAFC;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
}

.page-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 28px 96px;
}
.page-header {
  margin-bottom: 34px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.page-header .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 14px;
}
section { margin-bottom: 34px; }
section h2 {
  margin: 0 0 12px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: 24px;
  letter-spacing: -0.03em;
}
.page-wrap a {
  color: var(--brand);
  border-bottom: 1px solid rgba(37, 99, 235, 0.22);
}
.page-wrap a:hover { border-bottom-color: var(--brand); }
.page-wrap li { margin-bottom: 7px; }
.info-box {
  border-color: rgba(34, 211, 238, 0.28);
  background: rgba(34, 211, 238, 0.09);
  color: #155E75;
}
.dev-note {
  border-style: dashed;
  border-color: rgba(245, 158, 11, 0.36);
  background: rgba(245, 158, 11, 0.08);
  color: #92400E;
}
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.report-box {
  background: var(--night);
  color: #fff;
}
.report-box p { color: #94A3B8; }
.report-box a { color: var(--ai); border-bottom-color: rgba(34,211,238,0.3); }

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 14px;
}
th {
  background: #F1F5F9;
  color: var(--text);
  padding: 12px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
td {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  vertical-align: top;
}
code {
  border-radius: 8px;
  background: #F1F5F9;
  color: var(--text);
  padding: 2px 6px;
}

.download-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 74px 28px 84px;
}
.download-hero {
  max-width: 780px;
  margin-bottom: 34px;
}
.download-hero h1 {
  margin: 20px 0 16px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.download-hero p {
  margin: 0;
  font-size: 18px;
  line-height: 1.75;
}
.download-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  padding: 24px;
}
.download-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}
.download-panel-header h2 {
  margin: 0 0 4px;
  font-family: "Geist", "Inter", sans-serif;
  font-size: 26px;
  letter-spacing: -0.035em;
}
.download-panel-header p {
  margin: 0;
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.download-card,
.download-empty {
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 18px;
  background: #fff;
  padding: 18px;
  box-shadow: 0 1px 10px rgba(15, 23, 42, 0.05);
}
.download-card {
  display: grid;
  gap: 16px;
}
.download-platform {
  width: fit-content;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.10);
  color: #1D4ED8;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.download-card h3 {
  margin: 12px 0 6px;
  font-size: 18px;
  line-height: 1.3;
}
.download-card p {
  margin: 0;
  font-size: 14px;
}
.download-card code {
  width: fit-content;
  color: #475569;
  font-size: 12px;
}
.download-empty {
  grid-column: 1 / -1;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--border);
  padding: 34px 28px;
  color: var(--muted);
  font-size: 13px;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}
.footer-logo { font-family: "Geist", "Inter", sans-serif; font-size: 22px; font-weight: 700; letter-spacing: -0.03em; color: var(--text); }
.footer-tagline { margin-top: 4px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--brand); }
.footer-bottom {
  max-width: 1180px;
  margin: 22px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
}

@media (max-width: 900px) {
  .site-nav { align-items: flex-start; padding: 16px 20px; }
  .hero { grid-template-columns: 1fr; padding-top: 54px; }
  .hero-visual { min-height: 360px; }
  .features-grid, .steps { grid-template-columns: 1fr; }
  .step { border-left: 0; border-top: 1px solid var(--border); padding: 18px 0 0; }
}

@media (max-width: 640px) {
  .site-nav { position: relative; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .logo-mark { width: 42px; height: 42px; }
  .hero, .features, .how, .content-page, .page-wrap, .download-page { padding-left: 20px; padding-right: 20px; }
  .hero h1 { font-size: clamp(2.7rem, 14vw, 4rem); }
  .download-panel-header { flex-direction: column; }
  .footer-inner { flex-direction: column; }
}