:root {
  --bg: #f5f6fb;
  --card-bg: #ffffff;
  --text-main: #101827;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #eef1ff 0, #f5f6fb 45%, #f9fafb 100%);
  color: var(--text-main);
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

/* HERO */

.hero {
  text-align: center;
  margin-bottom: 2.75rem;
}

.logo-wrap {
  margin-bottom: 1rem;
}

.logo-wrap img {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
}

.hero h1 {
  margin: 0.4rem 0 0.75rem;
  font-size: 2.1rem;
  letter-spacing: -0.03em;
}

.tagline {
  margin: 0 auto 1.75rem;
  max-width: 32rem;
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.cta {
  margin-bottom: 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  box-shadow: 0 18px 30px rgba(37, 99, 235, 0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.btn:hover,
.btn:focus-visible {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 22px 40px rgba(37, 99, 235, 0.45);
}

.note {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===========================
   Features grid (cards)
   =========================== */

.features {
  max-width: 960px;
  margin: 3rem auto 4rem;
  padding: 0 1.5rem;

  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.features .card {
  background: #ffffff;
  border-radius: 18px;
  padding: 1.4rem 1.6rem;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.3);

  font-size: 0.95rem;
  line-height: 1.5;
}

.features .card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 700;
}

.features .card p {
  margin: 0;
  color: #4b5563;
  font-size: 0.92rem;
}

/* Small screens: stack feature cards nicely */
@media (max-width: 600px) {
  .features {
    margin-top: 2.5rem;
    margin-bottom: 3rem;
    padding: 0 1.25rem;
  }

  .features .card {
    padding: 1.2rem 1.4rem;
  }
}

/* FOOTER */

.footer {
  margin-top: 2.75rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* RESPONSIVE TWEAKS */

@media (min-width: 900px) {
  .wrap {
    padding-top: 3.4rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .features {
    gap: 1.8rem;
  }
}

@media (max-width: 600px) {
  .wrap {
    padding: 1.8rem 1.2rem 2.4rem;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .card {
    min-height: 0;
  }
}