:root {
  --bg-base: #f6f7fb;
  --bg-contrast: #ffffff;
  --ink: #1f1846;
  --ink-soft: #51487b;
  --brand: #30256f;
  --brand-2: #e9659f;
  --brand-3: #f5cb34;
  --brand-4: #4dbb64;
  --line: #d8d2ee;
  --surface: #ffffff;
  --success: #166534;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(233, 101, 159, 0.16), transparent 30%),
    radial-gradient(circle at 88% 14%, rgba(245, 203, 52, 0.22), transparent 28%),
    radial-gradient(circle at 78% 80%, rgba(77, 187, 100, 0.1), transparent 30%),
    linear-gradient(160deg, var(--bg-base) 0%, #eef1ff 55%, var(--bg-contrast) 100%);
  min-height: 100vh;
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 50;
  margin-top: 14px;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 12px 32px rgba(20, 14, 38, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 0.72rem;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(48, 37, 111, 0.2);
}

.brand-text {
  font-family: "Sora", "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.45rem 0.7rem;
  border-radius: 0.6rem;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: rgba(53, 37, 109, 0.08);
  color: var(--brand);
  outline: none;
}

main {
  padding-block: 2.25rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
  color: #7a3198;
}

.hero h1 {
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 8rem;
  line-height: 2.07;
  margin: 0.7rem 0 1rem;
}

.hero p {
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.06rem;
  line-height: 1.6;
}

.hero-actions {
  margin-top: 1.8rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align: center; 
  justify-content: center;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.btn:focus-visible {
  outline: 3px solid #b79bff;
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #432f89 45%, #6f4be2 100%);
  color: #fff;
  box-shadow: 0 14px 30px rgba(53, 37, 109, 0.27);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.hero-visual,
.feature-image {
  border: 2px dashed #c4b9e9;
  border-radius: 1.2rem;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.95), rgba(243, 240, 255, 0.88)),
    repeating-linear-gradient(45deg, rgba(48, 37, 111, 0.06), rgba(48, 37, 111, 0.06) 16px, rgba(233, 101, 159, 0.06) 16px, rgba(233, 101, 159, 0.06) 32px);
  color: #6c5ba5;
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 600;
}

.hero-visual {
  min-height: 400px;
  padding: 1.2rem;
}

.features,
.how,
.interest {
  margin-top: 4.2rem;
}

.features h2,
.how h2,
.interest h2 {
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.7rem, 3.1vw, 2.5rem);
  margin: 0 0 1.3rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 1.1rem;
  padding: 1rem;
  box-shadow: 0 12px 24px rgba(25, 18, 48, 0.08);
}

.feature-card h3 {
  margin: 0.95rem 0 0.5rem;
  font-family: "Sora", "Segoe UI", sans-serif;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.58;
}

.feature-image {
  min-height: 180px;
}

.how ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  display: grid;
  gap: 0.9rem;
  line-height: 1.6;
}

.interest {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  align-items: start;
}

.interest-copy p {
  color: var(--ink-soft);
  line-height: 1.6;
}

.interest-form {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 16px 30px rgba(24, 15, 51, 0.11);
}

.interest-form label {
  display: block;
  margin: 0.7rem 0 0.35rem;
  font-weight: 600;
}

.interest-form input,
.interest-form textarea {
  width: 100%;
  padding: 0.72rem 0.8rem;
  font: inherit;
  color: var(--ink);
  border-radius: 0.75rem;
  border: 1px solid #cfcae5;
  background: #fff;
}

.interest-form textarea {
  resize: vertical;
}

.interest-form input:focus,
.interest-form textarea:focus {
  border-color: #8261f5;
  outline: 3px solid rgba(130, 97, 245, 0.2);
}

.form-note {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
  color: var(--success);
}

.site-footer {
  border-top: 1px solid rgba(189, 180, 221, 0.5);
  padding: 1.1rem 0 2rem;
  color: #665a8f;
}

@media (max-width: 960px) {
  .hero,
  .interest {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 320px;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .main-nav {
    gap: 0.4rem;
  }

  .main-nav a {
    font-size: 0.88rem;
  }
}