:root {
  --bg: #faf8f5;
  --warm: #fdf5ed;
  --white: #ffffff;
  --text: #1a1a1a;
  --muted: #5d5d5d;
  --accent: #f97316;
  --border: #e7e0d9;
  --card: #ffffff;
  --shadow: 0 12px 32px rgba(0,0,0,0.06);
  --radius: 16px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

.s24-main { background: var(--bg); }
.s24-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.s24-section { padding: 72px 0; }
.s24-section-warm { background: var(--warm); }
.s24-section-white { background: var(--white); }
.s24-label { font-size: 0.85rem; font-weight: 700; color: var(--accent); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 6px; display: inline-block; }
.s24-title { font-size: 2rem; margin: 8px 0 12px; line-height: 1.2; }
@media (min-width: 768px) { .s24-title { font-size: 2.4rem; } }
.s24-subtitle { color: var(--muted); max-width: 840px; }
.s24-muted { color: var(--muted); }
.s24-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 16px; border-radius: 12px; border: 1px solid transparent; font-weight: 700; cursor: pointer; transition: all 0.2s ease; }
.s24-btn-primary { background: var(--accent); color: #fff; box-shadow: 0 10px 28px rgba(249,115,22,0.28); }
.s24-btn-secondary { background: #fff; color: var(--accent); border: 1px solid var(--accent); }
.s24-btn:hover { transform: translateY(-1px); }

.hero { background: linear-gradient(135deg, #fff2e5 0%, #f9f6f0 100%); }
.hero-grid { display: grid; gap: 24px; grid-template-columns: 1fr; align-items: center; }
.hero-card { background: var(--card); padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }
.hero-card ul { padding-left: 18px; color: var(--muted); }
.hero-benchmark { background: #fff; padding: 12px 16px; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); margin: 16px 0; }
.stepper { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 20px; }
.step { display: flex; align-items: center; gap: 12px; padding: 12px; background: #fff; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.step span { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; }

.section-header { margin-bottom: 24px; }
.grid { display: grid; gap: 20px; }
.two-cols { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.three-cols { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.callout { background: #fff; padding: 18px; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.callout pre { background: #1a1a1a; color: #fff; padding: 10px 12px; border-radius: 10px; overflow-x: auto; font-size: 0.95rem; }

.preset-grid { margin-bottom: 20px; }
.preset-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); display: grid; gap: 10px; }

.calculator-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 12px; margin-bottom: 12px; }
.form-grid label { display: grid; gap: 6px; font-weight: 600; }
.form-grid input, .form-grid select { padding: 10px; border-radius: 10px; border: 1px solid var(--border); font-size: 0.95rem; }
.checkboxes { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 6px; }
.advanced { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 12px; display: grid; gap: 10px; }
.advanced label { display: grid; gap: 6px; font-weight: 600; }
.advanced input, .advanced select { padding: 10px; border-radius: 10px; border: 1px solid var(--border); }

.scenario-panel { background: #fff7ef; border: 1px dashed var(--accent); border-radius: var(--radius); padding: 16px; display: grid; gap: 12px; }
.scenario-stats { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pill-group { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { padding: 8px 12px; border-radius: 999px; border: 1px solid var(--border); background: #fff; font-weight: 600; color: var(--muted); }
.pill.estimate { border-color: #eab308; color: #a16207; background: #fef9c3; }
.pill.known { border-color: #22c55e; color: #14532d; background: #dcfce7; }

.cost-table { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.cost-table table { width: 100%; border-collapse: collapse; min-width: 720px; }
.cost-table th, .cost-table td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; }
.badge { display: inline-flex; padding: 4px 10px; border-radius: 10px; font-size: 0.85rem; font-weight: 700; }
.badge.known { background: #dcfce7; color: #14532d; }
.badge.estimate { background: #fef9c3; color: #a16207; }

.chart-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 16px; }
.chart-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.chart-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.toggle { display: flex; gap: 12px; }
.waterfall-bars { display: grid; gap: 8px; margin-top: 12px; }
.bar-row { display: flex; align-items: center; gap: 10px; }
.bar-label { flex: 0 0 160px; font-weight: 600; }
.bar { flex: 1; height: 14px; border-radius: 8px; background: #f5efe7; position: relative; overflow: hidden; }
.bar span { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent); }
.bar-value { min-width: 90px; text-align: right; font-weight: 700; }

.value-inputs { display: grid; gap: 12px; }
.value-control { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow); display: grid; gap: 8px; }
.value-control input[type="range"] { width: 100%; accent-color: var(--accent); }

.donut { position: relative; width: 220px; height: 220px; border-radius: 50%; margin: 12px auto; background: conic-gradient(#f97316 0deg 90deg, #fb923c 90deg 180deg, #facc15 180deg 270deg, #34d399 270deg 360deg); display: grid; place-items: center; }
.donut-center { width: 120px; height: 120px; background: #fff; border-radius: 50%; display: grid; place-items: center; text-align: center; padding: 12px; box-shadow: var(--shadow); }

.bullet-list { list-style: disc inside; color: var(--muted); display: grid; gap: 6px; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.kpi small { color: var(--muted); font-weight: 600; }
.kpi strong { font-size: 1.4rem; }

.filter-bar { display: grid; grid-template-columns: repeat(4, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.filter-bar label { display: grid; gap: 6px; font-weight: 600; }
.filter-bar select { padding: 10px; border-radius: 10px; border: 1px solid var(--border); }
.vendor-table { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; }
.vendor-table table { width: 100%; border-collapse: collapse; min-width: 820px; }
.vendor-table th, .vendor-table td { padding: 12px; text-align: left; vertical-align: middle; }
.vendor-table tbody tr { border-bottom: 1px solid var(--border); }
.vendor-actions { display: flex; gap: 8px; align-items: center; }
.vendor-actions .s24-btn { white-space: nowrap; }
.payback-badge { display: inline-flex; padding: 6px 10px; border-radius: 10px; background: #fef9c3; color: #92400e; font-weight: 700; border: 1px solid #fde68a; }
@media (max-width: 900px) { .filter-bar { grid-template-columns: repeat(3, minmax(160px, 1fr)); } }
@media (max-width: 640px) { .filter-bar { grid-template-columns: repeat(2, minmax(160px, 1fr)); } .vendor-table table { min-width: 100%; } }

.shortlist-grid { display: grid; grid-template-columns: 320px 1fr; gap: 16px; align-items: start; }
.shortlist-drawer { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.shortlist-drawer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.shortlist-drawer li { display: flex; justify-content: space-between; align-items: center; padding: 10px; border: 1px dashed var(--border); border-radius: 12px; }
.comparison { display: grid; gap: 12px; }
.comparison-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow); }
.score-row { display: grid; grid-template-columns: 180px 1fr 70px; gap: 10px; align-items: center; padding: 8px 0; }
.score-row input[type="range"] { width: 100%; accent-color: var(--accent); }

.red-flags { display: grid; grid-template-columns: 1fr; gap: 12px; }
.flag-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; background: #fff; box-shadow: var(--shadow); }
.flag-card.active { border-color: #ef4444; box-shadow: 0 12px 30px rgba(239,68,68,0.25); }
.flag-card h4 { margin: 0 0 6px; }
.flag-card p { margin: 0; color: var(--muted); }

.checklist { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.decision-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.flow-step { border: 1px solid var(--accent); background: #fff; color: var(--accent); padding: 12px; border-radius: 12px; font-weight: 700; cursor: pointer; }

.faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.faq-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); display: grid; gap: 8px; }
.faq-card h3 { margin: 0; font-size: 1rem; }
.faq-card p { margin: 0; color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); }
.faq-list summary { font-weight: 700; cursor: pointer; }
.faq-list p { margin-top: 10px; color: var(--muted); }

.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(260px, 1fr)); gap: 14px; }
.tool-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); display: grid; gap: 8px; }
.tool-card h3 { margin: 0; }
.tool-card p { margin: 0; color: var(--muted); }

@media (max-width: 1100px) { .tool-grid { grid-template-columns: repeat(2, minmax(260px, 1fr)); } }
@media (max-width: 720px) { .tool-grid { grid-template-columns: repeat(1, minmax(240px, 1fr)); } }
@media (max-width: 960px) { .shortlist-grid { grid-template-columns: 1fr; } .hero-grid { grid-template-columns: 1fr; } .vendor-table table { min-width: 640px; } }