:root {
  --primary: #6C5CE7;
  --primary-dark: #4B3CE2;
  --primary-light: #ECEBFF;
  --accent: #00D1B2;
  --text: #1F2430;
  --muted: #6B7280;
  --bg: #FFFFFF;
  --bg-alt: #F7F7FB;
  --border: #E6E6F0;
  --radius: 14px;
  --shadow-card: 0 10px 20px rgba(17, 24, 39, 0.06);
  --shadow-elev: 0 16px 40px rgba(17, 24, 39, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.nav { position: sticky; top: 0; backdrop-filter: blur(8px); background: rgba(255,255,255,0.8); border-bottom: 1px solid var(--border); z-index: 50; }
.nav__inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; flex-direction: column; text-decoration: none; }
.brand__logo { font-family: 'Poppins', sans-serif; font-weight: 700; letter-spacing: .5px; font-size: 20px; color: var(--primary); }
.brand__tag { font-size: 12px; color: var(--muted); }
.nav__links a { margin-left: 18px; text-decoration: none; color: var(--text); font-weight: 500; }
.nav__links .btn { margin-left: 12px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--border); padding: 10px 16px; border-radius: var(--radius); text-decoration: none; font-weight: 600; cursor: pointer; }
.btn--primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn--primary:hover { background: var(--primary-dark); }
.btn--ghost { background: white; color: var(--text); }
.btn--lg { padding: 14px 22px; font-size: 16px; }

/* Theme toggle */
.theme-toggle { display: inline-flex; align-items: center; gap: 8px; margin-left: 12px;
  border: 1px solid var(--border); padding: 8px 12px; border-radius: 999px; cursor: pointer; text-decoration: none; color: var(--text); }
.theme-toggle input { display: none; }
.theme-toggle .dot { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--border); box-shadow: inset 0 0 0 6px var(--primary); }

/* Hero */
.hero { padding: 64px 0 36px; }
.hero__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.hero h1 { font-family: 'Poppins', sans-serif; font-size: 42px; line-height: 1.1; margin: 0 0 12px; }
.lead { font-size: 18px; color: var(--muted); }
.hero__cta { display: flex; gap: 12px; margin-top: 16px; }
.trust { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; color: var(--muted); }
.grad { background: linear-gradient(90deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }

/* Sections */
.section { padding: 56px 0; }
.section--alt { background: var(--bg-alt); }
.section__intro { text-align: center; margin-bottom: 28px; }
.section__intro h2 { font-family: 'Poppins', sans-serif; font-size: 28px; margin: 0 0 8px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: white; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-card); }

/* Pricing */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.price { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 22px; position: relative; box-shadow: var(--shadow-card); }
.price--featured { border-color: var(--primary); box-shadow: var(--shadow-elev); transform: translateY(-4px); }
.badge { position: absolute; top: -10px; right: 16px; background: var(--primary); color: white; padding: 6px 10px; border-radius: 999px; font-size: 12px; }
.price__rate { font-size: 28px; margin: 8px 0; }

/* Quotes */
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.quote { background: white; border: 1px solid var(--border); border-radius: 14px; padding: 18px; font-style: italic; }

/* CTA */
.cta { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); color: white; padding: 46px 0; }
.cta__inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px; }
.cta h3 { margin: 0; font-size: 24px; }

/* Footer */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); margin-top: 40px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 18px; padding: 26px 0; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding: 16px 0; }
.muted { color: var(--muted); }
.list { list-style: none; padding: 0; margin: 0; }
.list li { margin: 8px 0; }

/* Page header */
.page-header { background: var(--bg-alt); padding: 36px 0; border-bottom: 1px solid var(--border); }
.page-header h1 { font-family: 'Poppins', sans-serif; margin: 0 0 6px; }

/* Forms & table */
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 600; }
input, textarea, select { border: 1px solid var(--border); border-radius: 12px; padding: 12px; font: inherit; }
textarea { resize: vertical; }
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border: 1px solid var(--border); padding: 10px; text-align: left; }

/* Dark mode (media) */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F1220;
    --bg-alt: #151a2e;
    --text: #ECEEFE;
    --muted: #A6A8BD;
    --border: #2a3050;
    --primary-light: #322b7a;
  }
  .nav { background: rgba(15,18,32,0.7); }
  .card, .price, .quote, .table th, .table td { background: #151a2e; border-color: var(--border); }
  .btn--ghost { background: #0F1220; color: var(--text); border-color: var(--border); }
  .page-header { background: #151a2e; }
  .cta { background: linear-gradient(120deg, var(--primary-dark), #1e1b4b); }
}

/* Dark mode (manual override) */
:root[data-theme="dark"] {
  --bg: #0F1220;
  --bg-alt: #151a2e;
  --text: #ECEEFE;
  --muted: #A6A8BD;
  --border: #2a3050;
  --primary-light: #322b7a;
}
:root[data-theme="dark"] .nav { background: rgba(15,18,32,0.7); }
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .price,
:root[data-theme="dark"] .quote,
:root[data-theme="dark"] .table th,
:root[data-theme="dark"] .table td { background: #151a2e; border-color: var(--border); }
:root[data-theme="dark"] .btn--ghost { background: #0F1220; color: var(--text); border-color: var(--border); }
:root[data-theme="dark"] .page-header { background: #151a2e; }
:root[data-theme="dark"] .cta { background: linear-gradient(120deg, var(--primary-dark), #1e1b4b); }

/* Responsive */
@media (max-width: 960px) {
  .hero__grid, .grid-3, .grid-2, .quotes, .cta__inner, .footer__grid, .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; }
}