:root {
  --ink: #17233c;
  --muted: #64748b;
  --surface: #ffffff;
  --canvas: #f5f7fb;
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --accent: #14b8a6;
  --line: #e2e8f0;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(30, 41, 59, 0.12);
  font-family: Tahoma, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
.shell { min-height: 100vh; overflow: hidden; }
.topbar { max-width: 1180px; margin: auto; padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: white; background: linear-gradient(135deg, var(--primary), var(--accent)); }
.button { min-height: 46px; padding: 10px 20px; display: inline-flex; align-items: center; justify-content: center; border-radius: 14px; font-weight: 700; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--primary); box-shadow: 0 12px 24px rgba(79,70,229,.24); }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { background: white; border: 1px solid var(--line); }
.button-ghost { color: var(--primary); background: rgba(79,70,229,.08); }
.hero { max-width: 1180px; min-height: 650px; margin: auto; padding: 70px 28px 90px; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 70px; position: relative; }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; left: -200px; top: 0; border-radius: 50%; background: rgba(20,184,166,.10); filter: blur(2px); z-index: -1; }
.eyebrow { display: inline-block; color: var(--primary); font-size: 14px; font-weight: 800; letter-spacing: -.1px; }
h1 { max-width: 620px; margin: 16px 0 20px; font-size: clamp(42px, 5vw, 68px); line-height: 1.2; letter-spacing: -2.5px; }
.hero-copy > p { max-width: 600px; color: var(--muted); font-size: 18px; }
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.trust-row { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 13px; }
.trust-row span::before { content: "✓"; margin-left: 6px; color: var(--accent); font-weight: 900; }
.dashboard-preview { padding: 22px; border: 1px solid rgba(255,255,255,.8); border-radius: 28px; background: rgba(255,255,255,.86); box-shadow: var(--shadow); backdrop-filter: blur(18px); transform: rotate(-1deg); }
.preview-head, .chart-title { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.preview-head div { display: grid; }
.preview-head small, .chart-title span, .metric-grid small { color: var(--muted); }
.status-dot { color: #047857; padding: 5px 10px; border-radius: 20px; background: #d1fae5; font-size: 11px; }
.metric-grid { margin: 22px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric-grid article, .chart-card { padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.metric-grid article { display: grid; gap: 3px; }
.metric-grid span { color: var(--muted); font-size: 12px; }
.metric-grid strong { font-size: 23px; }
.metric-grid .positive { color: #047857; }
.bars { height: 190px; padding-top: 24px; display: flex; align-items: end; gap: 14px; border-bottom: 1px solid var(--line); }
.bars i { flex: 1; height: var(--bar); min-width: 18px; border-radius: 8px 8px 2px 2px; background: linear-gradient(180deg, var(--primary), #818cf8); }
.modules { padding: 88px 28px 110px; background: var(--surface); }
.section-heading { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-heading h2 { margin: 8px 0; font-size: clamp(28px, 4vw, 42px); line-height: 1.35; }
.module-grid { max-width: 1180px; margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.module-grid article { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.module-grid h3 { margin: 16px 0 6px; }
.module-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; color: white; background: linear-gradient(135deg, var(--primary), #818cf8); font-weight: 900; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 45px; gap: 50px; }
  .hero-copy { text-align: center; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions, .trust-row { justify-content: center; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .topbar { padding: 18px; }
  .topbar .button { min-height: 40px; padding: 7px 12px; font-size: 12px; }
  .hero { min-height: auto; padding: 50px 18px 68px; }
  h1 { font-size: 42px; letter-spacing: -1.8px; }
  .hero-copy > p { font-size: 16px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .trust-row { display: grid; gap: 7px; }
  .dashboard-preview { margin-inline: -5px; padding: 15px; transform: none; border-radius: 22px; }
  .preview-head { align-items: start; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid article { grid-template-columns: 1fr auto; align-items: center; }
  .metric-grid article small { grid-column: 1 / -1; }
  .bars { height: 150px; gap: 9px; }
  .modules { padding: 65px 18px 80px; }
  .module-grid { grid-template-columns: 1fr; }
}