/* ============================================================
   bookdancelesson audit tool — styles.css
   Palette pulled from ballroomdancedirectory.com hero gradient:
     deep navy  #0c1428
     mid navy   #1a2d5a
     warm brown #2d1f0e
     gold       #e8c560
     copper     #c4581c
     cream      #f8f5ee
   Typography: Inter (weight 400-900), ultra-bold uppercase H1.
   Section vocabulary mirrors bookdancelesson.com so the audit feels
   like a continuation of the marketing site, not a different product.
   ============================================================ */

:root {
  --navy-950: #0a0f1e;
  --navy-900: #0c1428;
  --navy-800: #131a30;
  --navy-700: #1a2d5a;
  --navy-500: #35506e;
  --navy-100: #e6eaf3;
  --gold-500: #e8c560;
  --gold-400: #f0d27a;
  --gold-600: #c9a73e;
  --gold-700: #a78628;
  --copper-500: #c4581c;
  --copper-600: #a64514;
  --cream:    #f8f5ee;
  --stone-50: #f7f6f3;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;

  --hero-gradient: linear-gradient(135deg, #0c1428 0%, #1a2d5a 60%, #2d1f0e 100%);
  --btn-gold-gradient: linear-gradient(135deg, #e8c560 0%, #c9a73e 100%);
  --btn-gold-gradient-hover: linear-gradient(135deg, #f0d27a 0%, #d4b145 100%);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--cream);
  color: var(--navy-900);
  line-height: 1.5;
}

a { color: var(--gold-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================ HEADER ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--navy-900);
}
.brand:hover { text-decoration: none; }
.brand .logo {
  height: 28px;
  width: 28px;
  object-fit: contain;
}
.brand-name {
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

/* ============================================================ HERO ============================================================ */
.hero {
  position: relative;
  background: var(--hero-gradient);
  color: #fff;
  overflow: hidden;
  padding: 4rem 0 5rem;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.kicker {
  display: inline-block;
  background: rgba(26,45,90,0.6);
  border: 1px solid var(--navy-700);
  color: var(--gold-500);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
}
.hero h1 {
  margin: 1.25rem 0 0;
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
}
.hero h1 strong { color: var(--gold-500); font-weight: 900; }
.hero-sub {
  margin: 1.25rem auto 0;
  max-width: 600px;
  font-size: 1.05rem;
  line-height: 1.6;
  color: rgba(230,234,243,0.8);
}

/* ============================================================ FORM CARD ============================================================ */
.audit-form {
  margin: 2.5rem auto 0;
  background: #fff;
  color: var(--navy-900);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.35);
  border: 1px solid var(--gray-200);
  padding: 2rem;
  text-align: left;
  display: grid;
  gap: 1.1rem;
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy-900);
}
.field input, .field select {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--navy-900);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(232,197,96,0.25);
}
.field input::placeholder { color: var(--gray-400); }
.field-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.1rem;
}
@media (max-width: 540px) {
  .field-row { grid-template-columns: 1fr; }
}

/* ============================================================ BUTTONS ============================================================ */
.btn {
  display: inline-block;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 9999px;
  padding: 0.75rem 1.5rem;
  transition: box-shadow 0.15s, transform 0.05s, background 0.15s;
  font-size: 0.85rem;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background-image: var(--btn-gold-gradient);
  color: var(--navy-900);
  box-shadow: 0 10px 20px -8px rgba(232,197,96,0.5);
}
.btn-primary:hover { background-image: var(--btn-gold-gradient-hover); box-shadow: 0 14px 26px -8px rgba(232,197,96,0.6); }
.btn-primary:active { transform: translateY(1px); }
.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 0.95rem;
  width: 100%;
}
.btn-ghost {
  background: transparent;
  color: var(--navy-500);
  border: 1px solid var(--gray-300);
  padding: 0.55rem 1.1rem;
  font-size: 0.78rem;
}
.btn-ghost:hover { background: var(--stone-50); border-color: var(--navy-500); color: var(--navy-900); }

.form-foot {
  margin: 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--navy-500);
}

/* ============================================================ SCAN STATUS ============================================================ */
.scan-status {
  margin: 2rem auto 0;
  max-width: 580px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--navy-700);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  color: #fff;
}
.scan-status[hidden] { display: none; }
.status-headline {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--gold-500);
}

/* ============================================================ TRUST / STATS STRIP ============================================================ */
main > p, main > div:not([class]), main > section:not([class]) {
  text-align: center;
  color: var(--navy-500);
  margin: 0.4rem 0;
}

/* Generic stat numbers below the form (rendered as bare numbers in the starter — style as a strip) */
.hero ~ p, body > p { text-align: center; }

/* ============================================================ FOOTER ============================================================ */
body > p:last-of-type, body > footer, footer {
  text-align: center;
  font-size: 0.85rem;
  color: var(--navy-500);
  padding: 1rem;
}

/* ============================================================ RESULTS PAGE ============================================================ */
.results-hero, .results-section {
  padding: 3rem 0;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.metric-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.metric-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--navy-500);
}
.metric-grade {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: 2.5rem;
  line-height: 1;
}
.grade-A, .grade-B { color: #10b981; }
.grade-C { color: var(--gold-600); }
.grade-D, .grade-F { color: var(--copper-500); }

/* ============================================================ HELPERS ============================================================ */
.field-full { grid-column: 1 / -1; }
.field-small { max-width: 160px; }