:root {
  --bg: #0f3f73;
  --bg-elevated: #1b4f89;
  --bg-soft: #2966a3;
  --panel: rgba(20, 74, 128, 0.84);
  --panel-border: rgba(191, 224, 255, 0.22);
  --text: #f4faff;
  --muted: #d1e6fb;
  --primary: #2f7de1;
  --primary-2: #43c5ff;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #f97316;
  --shadow: 0 20px 50px rgba(8, 44, 84, 0.28);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(67, 197, 255, 0.28), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(47, 125, 225, 0.24), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(255, 216, 77, 0.12), transparent 24%),
    linear-gradient(180deg, #215b98 0%, #1467b0 48%, #0f4a81 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select { font: inherit; }

.bym-shell {
  min-height: 100vh;
}

.bym-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(16, 63, 115, 0.82);
  border-bottom: 1px solid rgba(191, 224, 255, 0.18);
}

.bym-topbar__inner,
.bym-container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.bym-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.bym-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.bym-brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.bym-brand__text span {
  display: block;
  color: #dff0ff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.bym-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.bym-header-actions {
  display: none;
  align-items: center;
  gap: 12px;
}

.bym-login-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,0.7);
  color: var(--text);
  font-weight: 700;
}

.bym-nav a,
.bym-cta,
.bym-ghost {
  padding: 11px 16px;
  border-radius: 999px;
  color: var(--muted);
  transition: 0.2s ease;
}

.bym-nav a:hover,
.bym-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

.bym-mobile-toggle {
  display: none;
  width: 54px;
  height: 54px;
  border: none;
  color: var(--text);
  background: transparent;
  border-radius: 14px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.bym-mobile-toggle span {
  display: block;
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: #ffffff;
}

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

.bym-highlight {
  color: #7fe1ff;
}

.bym-page {
  padding: 28px 0 88px;
}

.bym-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 30px;
  align-items: stretch;
}

.bym-card,
.bym-hero__main,
.bym-hero__side,
.bym-section,
.bym-calculator,
.bym-story,
.bym-price,
.bym-info-panel,
.bym-table-wrap {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.bym-hero__main {
  padding: 52px;
  position: relative;
  overflow: hidden;
  min-height: 560px;
}

.bym-hero__main::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(67, 197, 255, 0.26), transparent 62%);
}

.bym-kicker {
  color: #d9efff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 700;
}

.bym-hero h1,
.bym-section h1,
.bym-page h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin: 14px 0 18px;
}

.bym-lead {
  color: #dbe7ff;
  font-size: 1.06rem;
  line-height: 1.7;
  max-width: 62ch;
}

.bym-hero__actions,
.bym-inline-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.bym-hero__actions--stacked {
  flex-direction: column;
  max-width: 520px;
}

.bym-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bym-cta--gold {
  background: linear-gradient(180deg, #ffd84d, #f4be28);
  color: #1e2436;
  font-weight: 800;
  min-height: 72px;
  font-size: 1.04rem;
}

.bym-ghost {
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,0.03);
}

.bym-ghost--hero {
  min-height: 72px;
  border: 3px solid rgba(255, 216, 77, 0.78);
  color: white;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bym-stat-grid,
.bym-grid,
.bym-tool-grid,
.bym-story-grid,
.bym-guide-grid,
.bym-price-grid,
.bym-content-grid,
.bym-resource-grid,
.bym-form-grid {
  display: grid;
  gap: 20px;
}

.bym-stat-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 32px;
}

.bym-stat {
  padding: 20px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(148,163,184,0.12);
}

.bym-stat strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 10px;
}

.bym-hero__side {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.bym-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: #bbf7d0;
  font-size: 13px;
  font-weight: 700;
  width: fit-content;
}

.bym-featured-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.bym-featured-strip span,
.bym-mini-proof div {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(191, 224, 255, 0.16);
  color: #eef8ff;
  font-size: 0.95rem;
}

.bym-mini-proof {
  display: grid;
  gap: 12px;
}

.bym-mini-proof strong {
  display: block;
  margin-bottom: 4px;
}

.bym-price--featured {
  transform: translateY(-6px);
  border-color: rgba(255, 216, 77, 0.45);
  box-shadow: 0 24px 60px rgba(13, 57, 106, 0.34);
}

.bym-list,
.bym-checklist,
.bym-step-list,
.bym-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bym-checklist li,
.bym-list li,
.bym-step-list li,
.bym-link-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--muted);
  line-height: 1.6;
  padding: 10px 0;
  border-bottom: 1px solid rgba(148,163,184,0.1);
}

.bym-checklist li:last-child,
.bym-list li:last-child,
.bym-step-list li:last-child,
.bym-link-list li:last-child {
  border-bottom: none;
}

.bym-checklist li::before,
.bym-list li::before {
  content: "•";
  color: var(--primary-2);
  font-size: 1.3rem;
  line-height: 1;
}

.bym-section {
  margin-top: 30px;
  padding: 36px;
}

.bym-section h2 {
  font-size: 1.8rem;
  margin: 0 0 12px;
}

.bym-section p,
.bym-rich-text p,
.bym-rich-text li,
.bym-price p,
.bym-story p,
.bym-tool-card p,
.bym-note,
.bym-table td,
.bym-table th,
.bym-field label,
.bym-footnote,
.bym-summary-box p {
  color: var(--muted);
  line-height: 1.7;
}

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

.bym-tool-grid,
.bym-story-grid,
.bym-price-grid,
.bym-resource-grid {
  grid-template-columns: repeat(3, 1fr);
}

.bym-guide-grid,
.bym-content-grid {
  grid-template-columns: repeat(2, 1fr);
}

.bym-tool-card,
.bym-story,
.bym-price,
.bym-resource-card,
.bym-info-panel,
.bym-summary-box {
  padding: 26px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.025));
  border: 1px solid rgba(148,163,184,0.12);
}

.bym-tool-card h3,
.bym-story h3,
.bym-price h3,
.bym-resource-card h3,
.bym-info-panel h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.bym-label {
  color: #a5f3fc;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bym-mission-link {
  color: #c4b5fd;
  font-size: 14px;
  font-weight: 700;
}

.bym-calculator {
  padding: 28px;
}

.bym-form-grid {
  grid-template-columns: repeat(2, 1fr);
}

.bym-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bym-field input,
.bym-field select {
  border: 1px solid rgba(148,163,184,0.18);
  background: rgba(6, 10, 25, 0.65);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
}

.bym-field--full {
  grid-column: 1 / -1;
}

.bym-results,
.bym-summary-box {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.bym-results {
  grid-template-columns: repeat(2, 1fr);
}

.bym-result {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(148,163,184,0.12);
}

.bym-result span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.bym-result strong {
  display: block;
  margin-top: 6px;
  font-size: 1.3rem;
}

.bym-table-wrap {
  overflow: hidden;
}

.bym-table {
  width: 100%;
  border-collapse: collapse;
}

.bym-table th,
.bym-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(148,163,184,0.1);
  text-align: left;
}

.bym-table tr:last-child td {
  border-bottom: none;
}

.bym-chip-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.bym-chip {
  border: 1px solid rgba(148,163,184,0.16);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.bym-chip.is-active {
  background: rgba(124, 58, 237, 0.16);
  color: var(--text);
}

.bym-footer {
  margin-top: 52px;
  padding: 30px 0 16px;
  border-top: 1px solid rgba(148,163,184,0.12);
}

.bym-footer__inner {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
}

.bym-footer__links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.bym-banner {
  padding: 16px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124,58,237,0.18), rgba(6,182,212,0.12));
  border: 1px solid rgba(148,163,184,0.14);
}

.bym-section-intro {
  color: var(--muted);
  line-height: 1.7;
  max-width: 72ch;
}

@media (max-width: 980px) {
  .bym-hero,
  .bym-grid,
  .bym-tool-grid,
  .bym-story-grid,
  .bym-guide-grid,
  .bym-price-grid,
  .bym-content-grid,
  .bym-resource-grid,
  .bym-form-grid,
  .bym-stat-grid,
  .bym-results {
    grid-template-columns: 1fr;
  }

  .bym-hero__main {
    min-height: auto;
    padding: 34px;
  }

  .bym-nav {
    display: none;
  }

  .bym-header-actions {
    display: flex;
  }

  .bym-mobile-toggle {
    display: inline-flex;
  }

  .bym-mobile-nav[data-open="true"] {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: min(var(--container), calc(100% - 32px));
    margin: 0 auto 16px;
  }

  .bym-mobile-nav a {
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(148,163,184,0.12);
    color: var(--muted);
  }

  .bym-stat-grid {
    gap: 14px;
  }

  .bym-login-link {
    min-height: 44px;
    padding: 0 18px;
  }
}