/* NV Classes Help Desk — Main Styles */
:root {
  --navy:     #1a3c6e;
  --navy-dark:#0f2547;
  --navy-mid: #254a85;
  --gold:     #f0a500;
  --gold-lt:  #fff3cd;
  --surface:  #f7f9fc;
  --white:    #ffffff;
  --border:   #e2e8f0;
  --text:     #1e293b;
  --muted:    #64748b;
  --success:  #059669;
  --danger:   #dc2626;
  --radius:   12px;
  --shadow:   0 4px 24px rgba(26,60,110,.10);
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background: var(--surface);
  color: var(--text);
  margin: 0;
  line-height: 1.6;
}

/* ── Header ─────────────────────────────────────── */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { font-size: 28px; }
.brand-name { font-weight: 700; font-size: 18px; color: var(--navy); line-height: 1.1; }
.brand-sub { font-size: 11px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .6px; }

.header-nav { display: flex; align-items: center; gap: 12px; }
.nav-link-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px;
  font-size: 14px; font-weight: 600;
  background: var(--navy); color: var(--white);
  text-decoration: none; transition: background .2s;
}
.nav-link-btn:hover { background: var(--navy-dark); color: var(--white); }
.nav-link-muted { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.nav-link-muted:hover { background: var(--surface); color: var(--text); }

/* ── Hero ────────────────────────────────────────── */
.hero-section {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  padding: 56px 0 48px;
  position: relative; overflow: hidden;
}
.hero-section::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(240,165,0,.15) 0%, transparent 60%);
}
.hero-content { position: relative; }
.hero-badge {
  display: inline-block; padding: 4px 16px; border-radius: 20px;
  background: rgba(240,165,0,.2); color: var(--gold);
  font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-title { font-size: clamp(28px, 5vw, 42px); font-weight: 700; color: #fff; margin: 0 0 12px; }
.hero-subtitle { font-size: 17px; color: rgba(255,255,255,.75); margin: 0 0 28px; }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 0; }
.stat-item { padding: 0 24px; }
.stat-num { display: block; font-size: 22px; font-weight: 700; color: var(--gold); }
.stat-label { font-size: 13px; color: rgba(255,255,255,.6); }
.stat-sep { width: 1px; height: 36px; background: rgba(255,255,255,.15); }

/* ── Main ────────────────────────────────────────── */
.main-content { padding: 40px 0 48px; }

/* ── Form Card ───────────────────────────────────── */
.form-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.form-card-header {
  background: linear-gradient(90deg, #f0f4ff 0%, #fff8e1 100%);
  border-bottom: 1px solid var(--border);
  padding: 24px 32px;
}
.form-card-header h2 { font-size: 22px; font-weight: 700; color: var(--navy); margin: 0 0 4px; }
.form-card-header p { color: var(--muted); margin: 0; font-size: 14px; }
.form-card-body { padding: 28px 32px 32px; }

.section-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .8px; color: var(--navy); margin-bottom: 12px;
  padding-bottom: 6px; border-bottom: 1px solid var(--border);
}

.form-label { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.req { color: var(--danger); }
.form-control, .form-select {
  border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 14px; padding: 10px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,60,110,.08);
  outline: none;
}

/* ── Upload Zone ─────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border); border-radius: 8px;
  padding: 28px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s; position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--navy); background: #f0f4ff;
}
.upload-input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; cursor: pointer;
}
.upload-icon { font-size: 28px; margin-bottom: 6px; }
.upload-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.upload-preview { padding: 10px 16px; display: flex; align-items: center; gap: 8px; }
.file-icon { font-size: 20px; }
.btn-remove {
  background: none; border: none; color: var(--danger);
  cursor: pointer; font-size: 16px; margin-left: auto; padding: 0 4px;
}

/* ── Submit Button ───────────────────────────────── */
.btn-submit {
  background: var(--navy); color: var(--white);
  border: none; border-radius: 10px; padding: 14px;
  font-size: 16px; font-weight: 700; cursor: pointer;
  transition: background .2s, transform .1s; margin-top: 8px;
}
.btn-submit:hover:not(:disabled) { background: var(--navy-dark); }
.btn-submit:active { transform: scale(.99); }
.btn-submit:disabled { opacity: .7; }

.btn-primary-custom {
  background: var(--navy); color: var(--white);
  border: none; border-radius: 8px; padding: 12px 28px;
  font-weight: 600; text-decoration: none; display: inline-block;
}
.btn-outline-custom {
  background: transparent; color: var(--navy);
  border: 2px solid var(--navy); border-radius: 8px; padding: 12px 28px;
  font-weight: 600; text-decoration: none; display: inline-block;
}

/* ── Success State ───────────────────────────────── */
.ticket-success {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 48px 32px;
  text-align: center;
}
.success-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, #059669, #34d399);
  color: white; font-size: 32px; display: flex;
  align-items: center; justify-content: center;
  margin: 0 auto 20px; font-weight: 700;
}
.ticket-success h2 { font-size: 24px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.ticket-number-box {
  background: linear-gradient(135deg, #f0f4ff, #e8f0ff);
  border: 2px solid #c7d7f5; border-radius: 10px;
  padding: 20px 24px; display: inline-flex;
  align-items: center; gap: 16px; margin: 20px 0; flex-wrap: wrap;
  justify-content: center;
}
.tn-label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.tn-value { font-size: 24px; font-weight: 800; color: var(--navy); letter-spacing: 1px; }
.btn-copy {
  background: var(--navy); color: white; border: none;
  border-radius: 6px; padding: 6px 14px; font-size: 13px;
  font-weight: 600; cursor: pointer;
}

/* ── Track CTA Section ───────────────────────────── */
.track-cta {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 48px 0; color: white;
}
.track-cta h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.track-cta p { color: rgba(255,255,255,.75); margin-bottom: 20px; }
.btn-track-cta {
  background: var(--gold); color: #1a1a1a; font-weight: 700;
  padding: 12px 28px; border-radius: 8px; text-decoration: none;
  display: inline-block; transition: background .2s;
}
.btn-track-cta:hover { background: #e09400; color: #1a1a1a; }

/* ── Footer ──────────────────────────────────────── */
.site-footer-bottom {
  background: var(--navy-dark); color: rgba(255,255,255,.5);
  padding: 20px 0; font-size: 13px;
}

/* ── Mobile ──────────────────────────────────────── */
@media (max-width: 576px) {
  .form-card-header, .form-card-body { padding: 20px; }
  .hero-section { padding: 36px 0 32px; }
  .stat-item { padding: 0 16px; }
  .ticket-success { padding: 32px 20px; }
  .tn-value { font-size: 18px; }
  .header-nav .nav-link-muted { display: none; }
}