/* ============================================================
   The Price of Loyalty — Main Stylesheet
   ============================================================ */

:root {
  --color-dark:     #0d1117;
  --color-midnight: #161b22;
  --color-panel:    #1c2230;
  --color-border:   #2d3748;
  --color-text:     #e2e8f0;
  --color-muted:    #8892a4;
  --color-accent:   #e85d04;
  --color-accent2:  #f4a261;
  --color-gold:     #f7b731;
  --color-red:      #e53e3e;
  --color-green:    #38a169;
  --color-blue:     #4299e1;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-dark);
  color: var(--color-text);
  line-height: 1.65;
  font-size: 16px;
}

a { color: var(--color-accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 72px 0; }
.section--alt { background: var(--color-midnight); }

/* ---- Typography ---- */
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.text-accent  { color: var(--color-accent); }
.text-accent2 { color: var(--color-accent2); }
.text-gold    { color: var(--color-gold); }
.text-muted   { color: var(--color-muted); }
.text-red     { color: var(--color-red); }
.text-green   { color: var(--color-green); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,17,23,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.nav__logo {
  font-weight: 800; font-size: 1.1rem; color: var(--color-text);
  text-decoration: none;
}
.nav__logo span { color: var(--color-accent); }
.nav__links { display: flex; gap: 32px; }
.nav__links a { color: var(--color-muted); font-size: 0.9rem; font-weight: 500; }
.nav__links a:hover { color: var(--color-text); text-decoration: none; }
.nav__cta {
  background: var(--color-accent);
  color: white !important;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.88rem;
}
.nav__cta:hover { background: #c44b00 !important; text-decoration: none !important; }

/* ---- Hero ---- */
.hero {
  padding: 96px 0 80px;
  background: radial-gradient(ellipse at 60% 0%, rgba(232,93,4,0.12) 0%, transparent 70%),
              var(--color-dark);
}
.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: 20px;
  border: 1px solid var(--color-accent); padding: 4px 12px; border-radius: 4px;
}
.hero__headline { margin-bottom: 24px; }
.hero__sub { font-size: 1.2rem; color: var(--color-muted); max-width: 640px; margin-bottom: 40px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.15s ease;
  text-decoration: none;
}
.btn--primary { background: var(--color-accent); color: white; }
.btn--primary:hover { background: #c44b00; text-decoration: none; color: white; }
.btn--secondary {
  background: transparent; color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover { border-color: var(--color-accent2); color: var(--color-accent2); text-decoration: none; }
.btn--ghost { background: var(--color-panel); color: var(--color-text); }
.btn--ghost:hover { background: var(--color-border); text-decoration: none; color: var(--color-text); }
.btn--full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- Cards / Panels ---- */
.card {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}
.card--accent { border-color: var(--color-accent); }
.card__label {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-muted); margin-bottom: 8px;
}
.card__value { font-size: 2rem; font-weight: 800; color: var(--color-text); }
.card__sub { font-size: 0.88rem; color: var(--color-muted); margin-top: 4px; }

/* ---- Source tags ---- */
.tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 2px 8px; border-radius: 4px;
}
.tag--documented { background: rgba(56,161,105,0.2); color: var(--color-green); border: 1px solid rgba(56,161,105,0.4); }
.tag--confirmed  { background: rgba(66,153,225,0.2); color: var(--color-blue); border: 1px solid rgba(66,153,225,0.4); }
.tag--estimated  { background: rgba(247,183,49,0.2); color: var(--color-gold); border: 1px solid rgba(247,183,49,0.4); }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-size: 0.88rem; font-weight: 600;
  color: var(--color-text); margin-bottom: 6px;
}
.form-label span { color: var(--color-muted); font-weight: 400; }
.form-input, .form-select {
  width: 100%;
  background: var(--color-dark);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color 0.15s;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-accent2);
}
.form-input::placeholder { color: var(--color-muted); }
.form-hint { font-size: 0.8rem; color: var(--color-muted); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Typeahead */
.typeahead-wrap { position: relative; }
.typeahead-list {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 50;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 220px; overflow-y: auto;
  display: none;
}
.typeahead-list.open { display: block; }
.typeahead-item {
  padding: 10px 14px; cursor: pointer; font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
}
.typeahead-item:last-child { border-bottom: none; }
.typeahead-item:hover, .typeahead-item.active { background: var(--color-border); }

/* ---- Search results ---- */
.candidate-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.candidate-group.selected { border-color: var(--color-accent); }
.candidate-group__header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; cursor: pointer;
  background: var(--color-panel);
}
.candidate-group__header:hover { background: var(--color-border); }
.candidate-group__checkbox {
  width: 18px; height: 18px; border-radius: 4px;
  border: 2px solid var(--color-border);
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
}
.candidate-group.selected .candidate-group__checkbox {
  background: var(--color-accent); border-color: var(--color-accent);
}
.candidate-group__name { font-weight: 700; flex: 1; }
.candidate-group__meta { font-size: 0.82rem; color: var(--color-muted); }
.candidate-group__details {
  padding: 14px 18px; background: var(--color-dark);
  border-top: 1px solid var(--color-border);
  font-size: 0.88rem; display: none;
}
.candidate-group.open .candidate-group__details { display: block; }
.meta-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.meta-item strong { display: block; font-size: 0.75rem; color: var(--color-muted); text-transform: uppercase; }

/* ---- Wizard steps ---- */
.wizard-steps {
  display: flex; gap: 0; margin-bottom: 40px;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  overflow: hidden;
}
.wizard-step {
  flex: 1; padding: 14px 16px; text-align: center;
  font-size: 0.82rem; font-weight: 600; color: var(--color-muted);
  background: var(--color-panel); border-right: 1px solid var(--color-border);
  position: relative;
}
.wizard-step:last-child { border-right: none; }
.wizard-step.active { color: var(--color-accent); background: rgba(232,93,4,0.1); }
.wizard-step.done { color: var(--color-green); }
.wizard-step__num {
  display: block; font-size: 1.1rem; margin-bottom: 2px;
}

/* ---- Analysis results ---- */
.result-section { margin-bottom: 40px; }
.result-section__title {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  padding-bottom: 12px; border-bottom: 1px solid var(--color-border);
}
.metric-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.metric {
  background: var(--color-panel); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 20px;
}
.metric__label { font-size: 0.78rem; text-transform: uppercase; font-weight: 700; letter-spacing: 0.08em; color: var(--color-muted); margin-bottom: 6px; }
.metric__value { font-size: 1.6rem; font-weight: 800; }
.metric__value--red { color: var(--color-red); }
.metric__value--green { color: var(--color-green); }
.metric__value--gold { color: var(--color-gold); }
.metric__note { font-size: 0.78rem; color: var(--color-muted); margin-top: 4px; }

.comparison-table { width: 100%; border-collapse: collapse; }
.comparison-table th, .comparison-table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.comparison-table th { color: var(--color-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table .soi-col { color: var(--color-green); }
.comparison-table .cgi-col { color: var(--color-accent2); }

/* ---- Alert / callout ---- */
.callout {
  padding: 16px 20px; border-radius: var(--radius);
  border-left: 4px solid;
  margin: 20px 0; font-size: 0.9rem;
}
.callout--warning { background: rgba(247,183,49,0.1); border-color: var(--color-gold); color: var(--color-gold); }
.callout--danger  { background: rgba(229,62,62,0.1);  border-color: var(--color-red); }
.callout--info    { background: rgba(66,153,225,0.1); border-color: var(--color-blue); color: var(--color-blue); }
.callout--accent  { background: rgba(232,93,4,0.1);  border-color: var(--color-accent); }

/* ---- Scenario tabs ---- */
.scenario-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.scenario-tab {
  padding: 8px 18px; border-radius: 20px; cursor: pointer;
  font-size: 0.88rem; font-weight: 600;
  border: 1px solid var(--color-border); background: var(--color-panel); color: var(--color-muted);
  transition: all 0.15s;
}
.scenario-tab.active {
  background: var(--color-accent); border-color: var(--color-accent); color: white;
}
.scenario-panel { display: none; }
.scenario-panel.active { display: block; }

/* ---- Methodology note ---- */
.methodology-note {
  font-size: 0.82rem; color: var(--color-muted);
  border-top: 1px solid var(--color-border); padding-top: 12px; margin-top: 12px;
}

/* ---- Progress bar ---- */
.progress { background: var(--color-border); border-radius: 4px; height: 6px; margin: 8px 0; }
.progress__bar { height: 100%; border-radius: 4px; background: var(--color-accent); transition: width 0.3s; }

/* ---- Loading spinner ---- */
.spinner {
  width: 32px; height: 32px; border: 3px solid var(--color-border);
  border-top-color: var(--color-accent); border-radius: 50%;
  animation: spin 0.7s linear infinite; margin: 24px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Footer ---- */
.footer {
  background: var(--color-midnight);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}
.footer__disclaimer {
  font-size: 0.82rem; color: var(--color-muted); line-height: 1.6;
  padding-top: 24px; border-top: 1px solid var(--color-border); margin-top: 32px;
}

/* ---- Utilities ---- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.hidden { display: none !important; }

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .form-row { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .wizard-step__label { display: none; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
}