:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --text: #14161f;
  --muted: #5b5f6b;
  --accent: #4338ca;
  --accent-soft: #eef0ff;
  --border: #e7e8ee;
  --shadow: 0 10px 30px -12px rgba(20, 22, 31, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(700px 400px at 20% 20%, var(--accent-soft), transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  padding: 64px 0 40px;
  text-align: center;
  background:
    radial-gradient(600px 300px at 50% -10%, var(--accent-soft), transparent);
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
}

.hero .subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin-top: 28px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -12px rgba(67, 56, 202, 0.4);
}

/* Split layout (intro left, form right) */
.split {
  max-width: 980px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  align-items: center;
  gap: 72px;
  padding: 64px 24px;
}

.intro-col {
  flex: 1;
}

.intro-col h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
}

.intro-col .subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 420px;
  margin: 0;
}

.form-col {
  flex: 1;
  max-width: 420px;
}

@media (max-width: 760px) {
  .split {
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
    padding: 48px 24px;
    text-align: center;
  }

  .intro-col .subtitle {
    max-width: none;
    margin: 0 auto;
  }

  .form-col {
    max-width: none;
  }
}

/* Contact */
.contact {
  padding: 16px 24px 64px;
  max-width: 480px;
}

.contact-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.contact-card h2 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.contact-card > p {
  color: var(--muted);
  margin: 0;
  font-size: 0.95rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 20px;
}

.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 14px;
}

.contact-form label:first-child {
  margin-top: 0;
}

.contact-form input,
.contact-form textarea {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.98rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.contact-form button {
  margin-top: 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 13px 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.contact-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -10px rgba(67, 56, 202, 0.5);
}