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

:root {
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #f59e0b;
  --blue: #3b82f6;
  --dark: #0f172a;
  --mid: #1e293b;
  --card: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #6366f1;
}

body { background: var(--dark); color: var(--text); font-family: 'Segoe UI', system-ui, sans-serif; line-height: 1.6; }

header {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  border-bottom: 3px solid var(--accent);
  padding: 3rem 2rem;
  text-align: center;
}
.logo { font-size: .85rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.logo span { color: var(--muted); }
header h1 { font-size: clamp(1.4rem, 4vw, 2.4rem); font-weight: 700; margin-bottom: .75rem; }
.subtitle { color: var(--muted); font-size: .95rem; }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }

.section { margin-bottom: 3.5rem; }
.section h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.25rem; padding-bottom: .5rem; border-bottom: 2px solid var(--border); }

/* Hero callout */
.hero-callout { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 3.5rem; }
.callout-box { flex: 1; min-width: 150px; background: var(--mid); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; text-align: center; }
.big-number { font-size: 3.5rem; font-weight: 800; color: var(--accent); line-height: 1; }
.big-label { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-top: .5rem; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem; }
.card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; }
.card p { font-size: .9rem; color: var(--muted); }
.card.good { border-left: 4px solid var(--green); }
.card.bad { border-left: 4px solid var(--red); }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { background: var(--mid); padding: .75rem 1rem; text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); border-bottom: 2px solid var(--border); }
td { padding: .75rem 1rem; border-bottom: 1px solid var(--border); }
.row-good td { background: rgba(34,197,94,.07); }
.row-ok td { background: rgba(245,158,11,.07); }
.row-bad td { background: rgba(239,68,68,.07); }
.risk { font-weight: 700; font-size: .8rem; padding: .2rem .5rem; border-radius: 4px; display: inline-block; }
.risk.high { background: rgba(239,68,68,.2); color: #f87171; }
.risk.med { background: rgba(245,158,11,.2); color: #fbbf24; }
.risk.low { background: rgba(34,197,94,.2); color: #4ade80; }

/* ROI */
.roi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1.25rem; }
.roi-item { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem; }
.roi-icon { font-size: 1.75rem; margin-bottom: .5rem; }
.roi-item h4 { font-size: .95rem; font-weight: 600; margin-bottom: .4rem; }
.roi-item p { font-size: .85rem; color: var(--muted); }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: .75rem; }
details { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.25rem; }
summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
summary::after { content: '+'; color: var(--accent); font-size: 1.2rem; }
details[open] summary::after { content: '−'; }
details p { margin-top: .75rem; font-size: .9rem; color: var(--muted); }

/* Verdict */
.verdict { background: linear-gradient(135deg, #1e1b4b, #0f172a); border: 1px solid var(--accent); border-radius: 14px; padding: 2.5rem; text-align: center; }
.verdict h2 { border: none; }
.verdict p { color: var(--muted); max-width: 700px; margin: .75rem auto; }
.verdict p strong { color: var(--text); }
.cta-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }
button { padding: .75rem 1.75rem; border-radius: 8px; border: none; font-size: 1rem; font-weight: 600; cursor: pointer; transition: transform .15s, opacity .15s; }
button:hover { opacity: .9; transform: translateY(-1px); }
button:active { transform: scale(.97); }
button:first-child { background: var(--green); color: #052e16; }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.response-msg { margin-top: 1.25rem; font-size: 1.05rem; font-weight: 600; min-height: 1.5rem; }

footer { text-align: center; padding: 2rem; font-size: .8rem; color: var(--muted); border-top: 1px solid var(--border); margin-top: 2rem; }

@media (max-width: 600px) {
  .hero-callout { flex-direction: column; }
  .big-number { font-size: 2.5rem; }
}