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

:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface2: #242424;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: rgba(99,102,241,.15);
  --text: #f0f0f0;
  --text-muted: #9ca3af;
  --border: #2d2d2d;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --radius: 10px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

/* Nav */
.nav {
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.nav-brand { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.nav-brand span { color: var(--accent); }

/* Sections */
section { padding: 80px 40px; max-width: 900px; margin: 0 auto; }

/* Hero */
.hero { text-align: center; padding-top: 100px; padding-bottom: 80px; }
.hero-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
}
.btn-hero {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background .2s;
}
.btn-hero:hover { background: var(--accent-hover); }

/* Section headers */
.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}
.section-sub {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 16px;
}

/* Program */
.modules { display: grid; gap: 16px; }
.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.module-num {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  flex-shrink: 0;
  margin-top: 2px;
}
.module-title { font-weight: 600; margin-bottom: 4px; }
.module-desc { font-size: 14px; color: var(--text-muted); }

/* For whom */
.audience-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; }
.audience-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.audience-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.audience-card p { font-size: 14px; color: var(--text-muted); }

/* Results */
.results-list { list-style: none; display: grid; gap: 12px; }
.results-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
}
.results-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Format */
.format-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; }
.format-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.format-card .f-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 8px; }
.format-card .f-value { font-size: 20px; font-weight: 700; }
.format-card .f-value.accent { color: var(--accent); }

/* Signup form */
.signup-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  max-width: 520px;
  margin: 0 auto;
}
.signup-wrap h2 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.signup-wrap p { color: var(--text-muted); font-size: 14px; margin-bottom: 28px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; }
.form-field input {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
  font-family: var(--font);
}
.form-field input:focus { outline: none; border-color: var(--accent); }
.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 8px;
  font-family: var(--font);
  transition: background .2s;
}
.btn-submit:hover { background: var(--accent-hover); }
.btn-submit:disabled { opacity: .6; cursor: not-allowed; }
.form-msg { margin-top: 14px; font-size: 14px; padding: 10px 14px; border-radius: 8px; display: none; }
.form-msg.success { display: block; background: rgba(34,197,94,.15); color: #4ade80; border: 1px solid rgba(34,197,94,.3); }
.form-msg.error   { display: block; background: rgba(239,68,68,.15); color: #f87171; border: 1px solid rgba(239,68,68,.3); }

/* Divider */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* Footer */
footer { text-align: center; padding: 40px; color: var(--text-muted); font-size: 13px; }