:root {
  --bg: #f7f9fc;
  --surface: rgba(255, 255, 255, 0.92);
  --text: #1f2a44;
  --muted: #667085;

  --primary: #1f2a44;
  --secondary: #0f5f4b;
  --accent: #0f5f4b;
  --accent-soft: rgba(15, 95, 75, 0.1);

  --border: rgba(31, 42, 68, 0.12);
  --success: #0f5f4b;

  --error-bg: #fff1f2;
  --error-text: #be123c;

  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);

  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 42, 68, 0.06), transparent 30%),
    radial-gradient(circle at top right, rgba(15, 95, 75, 0.08), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #eef3f7 100%);
  min-height: 100vh;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--border);
  color: var(--secondary);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(10px);
}

.hero h1 {
  margin: 18px auto 12px;
  max-width: 900px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.hero-text {
  margin: 0 auto;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 24px;
  align-items: start;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.form-card,
.result-card {
  padding: 30px;
}

.section-head {
  margin-bottom: 24px;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--secondary);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-head h2,
.result-top h2,
.empty-state h2 {
  margin: 0 0 10px;
  font-size: 1.55rem;
  line-height: 1.2;
  color: var(--primary);
}

.section-head p,
.empty-state p,
.result-subtext {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.simulator-form {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--primary);
}

.field input {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(31, 42, 68, 0.15);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.98);
  color: var(--primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.field input::placeholder {
  color: #98a2b3;
}

.field input:focus {
  border-color: rgba(15, 95, 75, 0.45);
  box-shadow: 0 0 0 4px rgba(15, 95, 75, 0.12);
  transform: translateY(-1px);
}

.input-hint {
  font-size: 0.85rem;
  color: var(--muted);
}

.primary-btn {
  border: none;
  border-radius: 999px;
  padding: 16px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--accent);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 12px 24px rgba(15, 95, 75, 0.18);
}

.primary-btn:hover {
  background: #0c4d3d;
  transform: translateY(-1px);
}

.primary-btn:active {
  transform: translateY(0);
}

.error-box {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid rgba(244, 63, 94, 0.16);
  font-size: 0.96rem;
  line-height: 1.55;
}

.hidden {
  display: none !important;
}

.empty-state {
  min-height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 26px 14px;
}

.empty-icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  border-radius: 22px;
  background: var(--accent-soft);
  color: var(--secondary);
  font-size: 2rem;
  font-weight: 800;
}

.result-state {
  display: grid;
  gap: 24px;
}

.result-top {
  padding: 32px 24px;
  border-radius: 22px;
  background: linear-gradient(
    145deg,
    rgba(31, 42, 68, 0.05),
    rgba(15, 95, 75, 0.06)
  );
  border: 1px solid rgba(31, 42, 68, 0.08);
  text-align: center;
}

.prejudice-amount {
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--secondary);
}

.result-subtext {
  margin-top: 12px;
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 24px, 920px);
    padding-top: 30px;
    padding-bottom: 44px;
  }
}

@media (max-width: 640px) {
  .form-card,
  .result-card {
    padding: 22px;
  }

  .hero {
    margin-bottom: 22px;
  }

  .hero-text {
    font-size: 0.98rem;
  }

  .prejudice-amount {
    font-size: 2.15rem;
  }
}