:root {
  color-scheme: dark;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #09080e;
  --panel: rgba(22, 17, 31, 0.75);
  --violet: #c6a5f4;
  --violet-glow: rgba(198, 165, 244, 0.25);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(198, 165, 244, 0.25);
  --muted: #a79cb3;
  --text: #f7f3fb;
  background: var(--bg);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 8%, rgba(125, 68, 179, 0.22) 0, transparent 38rem),
    radial-gradient(circle at 12% 42%, rgba(56, 92, 163, 0.16) 0, transparent 30rem),
    radial-gradient(circle at 85% 75%, rgba(168, 85, 247, 0.12) 0, transparent 32rem),
    var(--bg);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
}

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

button {
  font: inherit;
  cursor: pointer;
}

nav, main, footer {
  max-width: 1280px;
  margin: auto;
  padding-inline: 32px;
}

/* --- Navigation --- */
nav {
  position: sticky;
  top: 16px;
  z-index: 20;
  margin-top: 16px;
  padding: 16px 24px;
  background: rgba(18, 14, 25, 0.85);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.brand-mark {
  font: italic 28px/1 Georgia, serif;
  color: var(--violet);
  text-shadow: 0 0 16px var(--violet-glow);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 13px;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

.nav-btn {
  padding: 8px 16px;
  background: rgba(198, 165, 244, 0.1);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--violet) !important;
  font-weight: 600;
  transition: all 0.2s !important;
}

.nav-btn:hover {
  background: var(--violet) !important;
  color: #1a0e28 !important;
  box-shadow: 0 4px 16px var(--violet-glow);
}

/* --- Hero --- */
.hero {
  padding: 90px 0 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.hero-badge {
  font: 11px/1.4 ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.14em;
  color: #d8c3fa;
  padding: 6px 16px;
  background: rgba(198, 165, 244, 0.08);
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(48px, 6.5vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.05em;
  font-weight: 500;
  margin: 0 0 24px;
  color: #fff;
}

.hero em {
  font-family: Georgia, serif;
  background: linear-gradient(135deg, #f0e6ff 20%, #c6a5f4 75%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  font-weight: 400;
}

.hero p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  margin: 0 auto 32px;
}

.actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  background: linear-gradient(135deg, #d8befa 0%, #b388ff 100%);
  color: #1a0e28;
  padding: 16px 28px;
  font-weight: 650;
  font-size: 15px;
  box-shadow: 0 8px 25px var(--violet-glow);
  transition: all 0.25s;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e4d0ff 0%, #c49eff 100%);
  box-shadow: 0 12px 32px rgba(179, 136, 255, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  padding: 14px 22px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: #c9bed4;
  font-size: 14px;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line-strong);
  color: #fff;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 60px;
  padding: 22px 36px;
  background: rgba(22, 17, 30, 0.6);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(12px);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-item b {
  font-size: 24px;
  letter-spacing: -0.02em;
  color: #fff;
}

.stat-item small {
  font-size: 12px;
  color: var(--muted);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--line);
}

/* --- Section Tags --- */
.section-tag {
  font: 11px ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.14em;
  color: #bfa8d8;
  margin-bottom: 24px;
  text-align: center;
}

/* --- Steps Section --- */
.steps {
  padding: 90px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 36px 32px;
  border-radius: 18px;
  backdrop-filter: blur(12px);
  transition: all 0.3s;
}

.step-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.step-card.highlighted {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(38, 26, 52, 0.8), rgba(20, 15, 27, 0.8));
  box-shadow: 0 16px 40px rgba(168, 85, 247, 0.12);
}

.step-num {
  font: 11px ui-monospace, SFMono-Regular, monospace;
  color: #cbb5e5;
  letter-spacing: 0.12em;
}

.step-card h2 {
  font-size: 28px;
  margin: 22px 0 12px;
  font-weight: 550;
  letter-spacing: -0.03em;
  color: #fff;
}

.step-card p {
  color: var(--muted);
  line-height: 1.65;
  font-size: 14px;
  margin: 0;
}

/* --- Tiers Matrix Section --- */
.tiers-section {
  padding: 10px 0 90px;
}

.tiers-header {
  text-align: center;
  margin-bottom: 48px;
}

.tiers-header h2 {
  font-size: clamp(30px, 4vw, 44px);
  color: #fff;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.tiers-header p {
  color: var(--muted);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tier-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 30px;
  backdrop-filter: blur(16px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.tier-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.tier-card.highlighted {
  background: linear-gradient(145deg, rgba(38, 25, 54, 0.85), rgba(18, 13, 26, 0.85));
  border-color: rgba(198, 165, 244, 0.45);
  box-shadow: 0 20px 60px rgba(168, 85, 247, 0.16);
}

.tier-badge {
  display: inline-block;
  align-self: flex-start;
  font: 700 10px/1 ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.12em;
  padding: 5px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--muted);
  margin-bottom: 20px;
}

.top-badge {
  background: linear-gradient(135deg, rgba(198, 165, 244, 0.25), rgba(168, 85, 247, 0.2));
  border-color: rgba(198, 165, 244, 0.5);
  color: #eedeff;
}

.tier-card h3 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #fff;
  margin: 0 0 4px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.tier-card h3 span {
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: normal;
}

.tier-desc {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 24px;
  min-height: 38px;
}

.tier-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 13px;
  color: #dfd5e8;
}

.tier-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Interactive Calculator --- */
.calculator-section {
  padding-bottom: 80px;
}

.calculator-card {
  background: linear-gradient(145deg, rgba(26, 20, 36, 0.9), rgba(15, 11, 21, 0.9));
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  padding: 44px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  text-align: left;
  margin-bottom: 36px;
}

.calc-header h2 {
  font-size: 32px;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 0 0 10px;
}

.calc-header p {
  color: var(--muted);
  font-size: 16px;
  margin: 0;
}

.currency-toggle {
  display: flex;
  background: rgba(10, 8, 14, 0.7);
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  gap: 4px;
}

.currency-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
}

.currency-btn.active {
  background: var(--violet);
  color: #1a0e28;
  box-shadow: 0 2px 10px var(--violet-glow);
}

.calc-body {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.calc-inputs {
  background: rgba(10, 8, 14, 0.6);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.calc-inputs label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  font-size: 14px;
  color: #ddd4e5;
}

.calc-inputs label b {
  font-size: 18px;
  color: var(--violet);
}

.calc-inputs input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: linear-gradient(90deg, #c6a5f4 0%, #c6a5f4 var(--range-percent, 14%), rgba(255, 255, 255, 0.1) var(--range-percent, 14%));
  border-radius: 99px;
  outline: none;
  cursor: pointer;
}

.calc-inputs input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #c6a5f4;
  box-shadow: 0 0 16px rgba(198, 165, 244, 0.9), 0 2px 6px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.calc-inputs input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.18);
  box-shadow: 0 0 24px rgba(198, 165, 244, 1), 0 4px 10px rgba(0, 0, 0, 0.5);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font: 10px ui-monospace, monospace;
  color: var(--muted);
}

.calc-results {
  display: grid;
  gap: 16px;
}

.calc-kpi {
  padding: 24px;
  background: rgba(198, 165, 244, 0.08);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
}

.calc-kpi.alt {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}

.calc-kpi small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.calc-kpi b {
  display: block;
  font-size: 32px;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

.calc-kpi .subtext {
  font-size: 12px;
  color: #bcaecb;
}

/* --- Dashboard / Partner Center --- */
.dashboard {
  padding: 44px;
  border: 1px solid var(--line-strong);
  background: rgba(22, 17, 30, 0.85);
  border-radius: 22px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  margin-bottom: 80px;
}

.dashboard header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}

.dash-eyebrow {
  font: 11px ui-monospace, monospace;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.dashboard h2 {
  font-size: 32px;
  color: #fff;
  margin: 6px 0 0;
  letter-spacing: -0.03em;
}

.btn-refresh {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: #dcd2e6;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  transition: all 0.2s;
}

.btn-refresh:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.dash-message {
  font-size: 16px;
  color: var(--muted);
  padding: 30px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 12px;
  border: 1px dashed var(--line);
  text-align: center;
}

.linkbox {
  background: rgba(14, 11, 19, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 28px;
}

.linkbox label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}

.link-input-group {
  display: flex;
  gap: 12px;
}

.linkbox input {
  flex: 1;
  background: #110e17;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  color: #fff;
  font: 13px ui-monospace, monospace;
}

.linkbox input:focus {
  outline: none;
  border-color: var(--violet);
}

.btn-copy {
  background: var(--violet);
  color: #1a0e28;
  border: 0;
  border-radius: 8px;
  padding: 12px 20px;
  font-weight: 650;
  font-size: 13px;
  transition: background 0.2s;
}

.btn-copy:hover {
  background: #d8c2fa;
}

.partner-badge {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.metrics article {
  background: rgba(14, 11, 19, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}

.metrics article small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.metrics article b {
  font-size: 26px;
  color: #fff;
  letter-spacing: -0.02em;
}

.table-wrap h3 {
  font-size: 18px;
  color: #fff;
  margin: 0 0 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  text-align: left;
  padding: 12px 16px;
  font: 11px ui-monospace, monospace;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.06em;
}

td {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #ddd4e5;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* --- Note Section --- */
.note {
  padding-bottom: 80px;
}

.note-card {
  padding: 44px;
  background: linear-gradient(145deg, rgba(28, 20, 39, 0.8), rgba(15, 11, 21, 0.8));
  border: 1px solid var(--line);
  border-radius: 20px;
  text-align: center;
}

.note-card h2 {
  font-size: clamp(32px, 4vw, 52px);
  margin: 0 0 16px;
  color: #fff;
}

.note-card em {
  font-family: Georgia, serif;
  color: var(--violet);
}

.note-card p {
  max-width: 620px;
  margin: auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

/* --- Footer --- */
footer {
  padding: 40px 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a:hover {
  color: #fff;
}

/* --- Responsive --- */
@media(max-width: 900px) {
  .steps-grid { grid-template-columns: 1fr; }
  .calc-body { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
}

@media(max-width: 600px) {
  nav { padding: 12px 16px; }
  .nav-links a:not(.nav-btn) { display: none; }
  .hero { padding-top: 50px; }
  .hero-stats { padding: 16px; }
  .stat-item { width: 45%; text-align: center; }
  .dashboard { padding: 24px 18px; }
  .link-input-group { flex-direction: column; }
  .metrics { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 16px; text-align: center; }
}