/* ===== DESIGN TOKENS ===== */
:root {
  --navy: #0D1B2A;
  --navy-mid: #1B2D42;
  --navy-light: #2C4159;
  --gold: #D4A843;
  --gold-dim: #A88332;
  --cream: #F5F0E8;
  --off-white: #FAFAF8;
  --text-primary: #E8E2D9;
  --text-secondary: #9A9FA8;
  --text-dark: #1A1A1A;
  --text-dark-soft: #3D3D3D;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--navy);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== TOP NAV ===== */
.calc-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid rgba(212,168,67,0.12);
  position: sticky;
  top: 0;
  background: var(--navy);
  z-index: 10;
}

.calc-nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.calc-nav-logo span { color: var(--gold); }

.calc-nav-back {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
.calc-nav-back:hover { color: var(--gold); }

/* ===== CALCULATOR WRAPPER ===== */
.calc-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

/* ===== HERO HEADER ===== */
.calc-header {
  text-align: center;
  margin-bottom: 56px;
}

.calc-header-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.calc-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 16px;
}

.calc-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ===== INPUT SECTION ===== */
.calc-inputs {
  margin-bottom: 40px;
}

.calc-price-section {
  margin-bottom: 32px;
}

.calc-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: block;
}

.price-presets {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.price-btn {
  background: var(--navy-mid);
  border: 1px solid rgba(212,168,67,0.2);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.price-btn:hover,
.price-btn.active {
  background: rgba(212,168,67,0.12);
  border-color: var(--gold);
  color: var(--gold);
}

.price-custom-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.price-prefix {
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.price-input {
  background: var(--navy-mid);
  border: 1px solid rgba(212,168,67,0.25);
  border-radius: 10px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 28px;
  font-weight: 700;
  padding: 14px 18px;
  width: 220px;
  outline: none;
  transition: border-color var(--transition);
  -moz-appearance: textfield;
}

.price-input::-webkit-outer-spin-button,
.price-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.price-input:focus { border-color: var(--gold); }

.price-input-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.calc-target-section {
  background: var(--navy-mid);
  border: 1px solid rgba(212,168,67,0.1);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.calc-target-section label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  white-space: nowrap;
}

.target-select {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(212,168,67,0.2);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
}

.target-select option { background: var(--navy-mid); }

.target-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.target-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}

.target-btn:hover { border-color: var(--gold); color: var(--gold); }
.target-btn.active { background: rgba(212,168,67,0.12); border-color: var(--gold); color: var(--gold); }

/* ===== RESULTS ===== */
.calc-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.result-card {
  background: var(--navy-mid);
  border: 1px solid rgba(212,168,67,0.15);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.result-card.primary {
  border-color: rgba(212,168,67,0.35);
}

.result-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.result-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.result-number {
  font-family: 'Playfair Display', serif;
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  margin-bottom: 4px;
}

.result-number.gold { color: var(--gold); }

.result-sub {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== BREAK-EVEN TABLE ===== */
.calc-table-section { margin-bottom: 40px; }

.calc-table-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.calc-table-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.calc-table-header span {
  font-size: 13px;
  color: var(--text-secondary);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--navy-mid);
  border-radius: var(--radius);
  overflow: hidden;
}

thead th {
  background: rgba(212,168,67,0.08);
  padding: 14px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(212,168,67,0.1);
}

tbody tr { border-bottom: 1px solid rgba(255,255,255,0.04); }
tbody tr:last-child { border-bottom: none; }

tbody td {
  padding: 16px 20px;
  font-size: 15px;
  color: var(--text-primary);
}

tbody td.number { font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; }
tbody td.hint { font-size: 13px; color: var(--text-secondary); }

/* ===== REVENUE TABLE ===== */
.calc-revenue-table {
  background: var(--navy-mid);
  border: 1px solid rgba(212,168,67,0.15);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
}

.calc-revenue-table .section-label {
  background: rgba(212,168,67,0.06);
  padding: 14px 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(212,168,67,0.1);
}

/* ===== INSIGHT BANNER ===== */
.calc-insight {
  background: linear-gradient(135deg, rgba(212,168,67,0.08) 0%, rgba(212,168,67,0.04) 100%);
  border: 1px solid rgba(212,168,67,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  text-align: center;
}

.calc-insight p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.calc-insight strong {
  color: var(--gold);
  font-weight: 700;
}

.calc-insight .big-num {
  font-family: 'Playfair Display', serif;
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  display: block;
  margin-bottom: 4px;
}

/* ===== ANIMATIONS ===== */
.result-card {
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.result-card:hover { transform: translateY(-2px); }

.price-btn, .target-btn, .price-input {
  transition: all var(--transition);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .calc-nav { padding: 16px 20px; }
  .calc-page { padding: 40px 20px 60px; }
  .calc-results { grid-template-columns: 1fr; }
  .calc-header h1 { font-size: 32px; }
  .result-number { font-size: 42px; }
  .calc-target-section { flex-direction: column; align-items: flex-start; gap: 12px; }
  .calc-insight { padding: 20px 20px; }
  .calc-insight .big-num { font-size: 32px; }
  table thead th, tbody td { padding: 12px 14px; }
  thead th:nth-child(2), tbody td:nth-child(2) { display: none; }
}