:root {
  --bg: #000000;
  --fg: #ffffff;
  --muted: #9a9a9a;
  --border: #2a2a2a;
  --card-bg: #0a0a0a;
  --accent: #ffffff;
  --accent-blue: #5b8cff;
  --accent-amber: #d9a441;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand svg {
  width: 32px;
  height: 32px;
}

.brand-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}

.article-hero {
  display: block;
  max-width: 500px;
  width: 100%;
  margin: 0 0 32px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 8px 4px;
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--fg);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--fg);
  color: var(--bg);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s;
}

.pill:hover {
  transform: scale(1.03);
}

.pill .price {
  font-weight: 400;
  opacity: 0.7;
}

/* Hero */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.3rem);
  max-width: 640px;
  margin: 0 auto 40px;
}

.btn-primary {
  display: inline-block;
  background: var(--fg);
  color: var(--bg);
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 8px;
  font-size: 1.05rem;
  transition: transform 0.15s;
}

.btn-primary:hover {
  transform: scale(1.03);
}

/* How it works */
.how-it-works {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-it-works h2 {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 40px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.step {
  padding: 20px;
}

.step .step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 12px;
}

.step p {
  color: var(--fg);
  margin: 0;
  font-size: 0.95rem;
}

/* Pricing table */
.pricing-section {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-section h2 {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 8px;
}

.pricing-intro {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 32px;
}

.pricing-table-wrap {
  max-width: 720px;
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.pricing-table thead th {
  text-align: left;
  padding: 12px 16px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}

.pricing-table thead th:not(:first-child) {
  text-align: right;
}

.pricing-table tbody tr:not(.pricing-group) {
  border-bottom: 1px solid var(--border);
}

.pricing-table tbody tr:not(.pricing-group):last-child {
  border-bottom: none;
}

.pricing-table td {
  padding: 10px 16px;
}

.pricing-table td:not(:first-child) {
  text-align: right;
  white-space: nowrap;
}

.pricing-table tbody tr:not(.pricing-group):hover {
  background: var(--card-bg);
}

.pricing-table tr.pricing-group td {
  padding: 14px 16px 8px;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-blue);
  background: var(--card-bg);
}

/* Services */
.services-section {
  padding: 60px 24px;
}

.services-section h2 {
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto 60px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.15s, transform 0.15s;
}

.card:hover {
  border-color: #555;
  transform: translateY(-2px);
}

a.card {
  display: block;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.card-top h3 {
  margin: 0;
  font-size: 1.15rem;
}

.card-top .price {
  font-weight: 700;
  font-size: 1.15rem;
}

.card .time {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.starter-box {
  background: #000000;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.9rem;
  color: #cfcfcf;
  font-style: italic;
  margin-bottom: 12px;
  line-height: 1.45;
}

.copy-btn {
  display: block;
  width: 100%;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.copy-btn:hover {
  border-color: var(--accent-blue);
  background: rgba(91, 140, 255, 0.08);
}

.card .desc {
  color: #cfcfcf;
  font-size: 0.95rem;
  margin: 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 24px 60px;
  color: var(--muted);
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

/* Article pages */
.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.article h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 8px;
}

.article .subtitle {
  color: var(--muted);
  margin-bottom: 40px;
}

.article h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.article p {
  color: #d6d6d6;
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.article code {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
}

.article .hire-line {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
}

/* Architecture diagram */
.arch {
  margin: 32px 0 40px;
}

.arch-label {
  text-align: center;
  font-family: "Courier New", monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.arch-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.arch-arrow {
  text-align: center;
  color: var(--muted);
  font-size: 1.1rem;
  margin: 4px 0;
}

.arch-box {
  border-radius: 10px;
  padding: 10px 16px;
  text-align: center;
  min-width: 130px;
}

.arch-box.buyer {
  background: var(--card-bg);
  border: 1px solid var(--border);
}

.arch-box.agent {
  background: #0d1526;
  border: 1.5px solid var(--accent-blue);
  padding: 14px 28px;
}

.arch-box.agent .arch-title {
  color: var(--accent-blue);
}

.arch-box.delivery {
  background: var(--card-bg);
  border: 1px solid var(--accent-blue);
  width: 148px;
}

.arch-box.dormant {
  background: #1a1408;
  border: 1px dashed var(--accent-amber);
}

.arch-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--fg);
}

.arch-sub {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 2px;
}

.arch-divider {
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.arch-columns {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.arch-col {
  flex: 1;
  min-width: 240px;
  max-width: 320px;
}

.arch-col-label {
  text-align: center;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.arch-col .arch-box {
  width: 100%;
  text-align: left;
  margin-bottom: 8px;
}

.arch-logo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 8px;
}