* { box-sizing: border-box; }
:root {
  --bg: #f4f7ff;
  --card: #ffffff;
  --text: #102a43;
  --muted: #4a5568;
  --primary: #2563eb;
  --primary-2: #1d4ed8;
  --border: #dbeafe;
  --ok: #15803d;
  --warning: #b45309;
 }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #f9fbff 0%, var(--bg) 40%, #ecf2ff 100%);
}

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
}

.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #4f46e5 52%, #06b6d4 100%);
  color: #f8fafc;
  border-radius: 16px;
  padding: 22px;
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: #ffffff1f;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  font-weight: 700;
}

h1,
h2,
h3,
p { margin: 0; }

.intro {
  margin-top: 8px;
  max-width: 70ch;
  line-height: 1.45;
}

.brand-panel {
  margin-top: 16px;
  border: 1px solid #ffffff4f;
  border-radius: 12px;
  padding: 16px;
  background: #ffffff1f;
}

.brand-panel h2,
.panel h2 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.brand-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.brand-grid label,
label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
}

input,
select,
button {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
  width: 100%;
}

input:focus,
select:focus {
  outline: 2px solid #93c5fd;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  margin: 0;
}

fieldset label {
  margin: 8px 0;
  font-size: 0.92rem;
}

button {
  border: none;
  font-weight: 700;
  color: white;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-2) 100%);
  margin-top: 12px;
  cursor: pointer;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
}

.panel {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.panel-subhead,
.muted,
.fine-print,
.brand-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.result-card {
  position: sticky;
  top: 16px;
  height: fit-content;
}

#breakdown p {
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}

.total-row {
  color: var(--ok);
  font-size: 1.1rem;
}

.cta-button {
  display: block;
  text-align: center;
  text-decoration: none;
  color: white;
  background: linear-gradient(90deg, #0ea5e9, #0284c7);
  border-radius: 10px;
  padding: 12px;
  font-weight: 700;
}

.hidden { display: none; }

@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .result-card {
    position: static;
  }
}

.live-preview-gallery {
  margin-top: 1.5rem;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.preview-grid figure {
  margin: 0;
  padding: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.72);
}

.preview-grid img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
  border: 1px solid rgba(255,255,255,0.12);
}

.preview-grid figcaption {
  margin-top: 0.55rem;
  color: #cbd5e1;
  font-size: 0.92rem;
}