:root {
  --bg: #060a18;
  --bg2: #0a1330;
  --accent: #2f6bff;
  --accent2: #4f8bff;
  --card: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #eef2ff;
  --muted: #9aa6c6;
  --radius: 18px;
  --maxw: 920px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 50% -10%, var(--bg2), var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 400px at 80% 10%, rgba(47, 107, 255, 0.18), transparent 70%),
    radial-gradient(500px 400px at 10% 30%, rgba(79, 139, 255, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* NAV */
.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 22px; padding-bottom: 22px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 18px; }
.brand-star { font-size: 20px; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .12s ease, background .18s ease, border-color .18s ease;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: linear-gradient(180deg, var(--accent2), var(--accent)); color: #fff; box-shadow: 0 8px 30px rgba(47, 107, 255, 0.35); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { background: rgba(255,255,255,0.06); border-color: var(--card-border); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.11); }
.btn-block { width: 100%; margin-top: 18px; }
.btn-lg { padding: 17px 34px; font-size: 18px; }

/* HERO */
.hero { text-align: center; padding-top: 40px; padding-bottom: 30px; }
.badge {
  display: inline-block; font-size: 13px; color: var(--muted);
  background: var(--card); border: 1px solid var(--card-border);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.08; letter-spacing: -0.02em; font-weight: 800; }
.lead { color: var(--muted); font-size: clamp(16px, 2.4vw, 19px); max-width: 560px; margin: 20px auto 0; }
.lead b { color: var(--text); }

.rate-card {
  margin: 34px auto 0; max-width: 360px;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 26px; backdrop-filter: blur(8px);
}
.rate-main { display: flex; align-items: baseline; justify-content: center; gap: 10px; }
.rate-value { font-size: 52px; font-weight: 800; letter-spacing: -0.02em; }
.rate-label { color: var(--muted); font-size: 18px; }
.rate-note { color: var(--muted); font-size: 14px; margin-top: 8px; }

.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }

/* CARD base */
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 26px; backdrop-filter: blur(8px); margin-top: 26px; }
.muted { color: var(--muted); }
h2 { font-size: 24px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin-bottom: 6px; }

/* CALC */
.calc { max-width: 460px; margin-left: auto; margin-right: auto; text-align: left; }
.calc h2 { margin-bottom: 4px; }
.calc-input { display: flex; align-items: center; margin-top: 16px; background: rgba(0,0,0,0.25); border: 1px solid var(--card-border); border-radius: 14px; padding: 4px 16px; }
.calc-input input { flex: 1; background: transparent; border: none; outline: none; color: var(--text); font-size: 26px; font-weight: 700; padding: 12px 0; width: 100%; }
.calc-input input::-webkit-outer-spin-button, .calc-input input::-webkit-inner-spin-button { -webkit-appearance: none; }
.calc-input input[type=number] { -moz-appearance: textfield; }
.calc-input .suffix { font-size: 22px; }

.calc-presets { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.calc-presets button {
  background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); color: var(--text);
  border-radius: 999px; padding: 8px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background .15s ease;
}
.calc-presets button:hover, .calc-presets button.active { background: rgba(47,107,255,0.25); border-color: var(--accent); }

.calc-result { display: flex; align-items: center; justify-content: space-between; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--card-border); }
.calc-total { font-size: 30px; font-weight: 800; }

/* FEATURES */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.features .card { margin-top: 0; }
.feature { text-align: left; }
.feature-icon { font-size: 28px; margin-bottom: 12px; }

/* SOON */
.soon { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.soon-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { background: rgba(255,255,255,0.06); border: 1px solid var(--card-border); border-radius: 999px; padding: 8px 14px; font-size: 14px; font-weight: 600; }
.tag-dim { color: var(--muted); }

/* FINAL */
.final-cta { text-align: center; padding: 56px 20px 30px; }
.final-cta h2 { margin-bottom: 20px; font-size: 28px; }

/* FOOTER */
.footer { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 14px; padding-top: 26px; padding-bottom: 40px; margin-top: 20px; border-top: 1px solid var(--card-border); }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }

@media (max-width: 680px) {
  .features { grid-template-columns: 1fr; }
  .soon { flex-direction: column; align-items: flex-start; }
}