:root {
  --bg: #0e0b08;
  --panel: rgba(26, 20, 15, 0.88);
  --panel-soft: rgba(36, 29, 23, 0.78);
  --line: rgba(255, 168, 74, 0.22);
  --accent: #d97b2d;
  --accent-strong: #ff8d2b;
  --text: #f4eee5;
  --muted: #b8a796;
  --danger: #d14a32;
  --success: #4caf50;
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--bg); min-height: 100%; }
body {
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}
.page-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,6,5,0.82), rgba(7,6,5,0.93));
  pointer-events: none;
  z-index: 0;
}
body > * { position: relative; z-index: 1; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(8px); background: rgba(10, 8, 6, 0.72); border-bottom: 1px solid var(--line); }
.nav-wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 16px 0; }
.brand { color: var(--text); text-decoration: none; font-weight: 900; letter-spacing: 0.06em; text-transform: uppercase; }
.main-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.main-nav a { color: var(--muted); text-decoration: none; padding: 10px 14px; border-radius: 999px; border: 1px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--text); border-color: var(--line); background: rgba(255,255,255,0.04); }
.hero-section { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; padding: 42px 0 22px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); padding: 24px; }
.eyebrow { color: var(--accent-strong); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem; margin-bottom: 12px; }
h1, h2, h3, h4 { margin-top: 0; }
h1 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.05; margin-bottom: 14px; }
.lead { font-size: 1.12rem; color: var(--text); }
p { color: var(--muted); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border-radius: 14px; text-decoration: none; border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.04); cursor: pointer; font-weight: 700; }
.btn-primary { background: linear-gradient(180deg, var(--accent-strong), var(--accent)); color: #24160d; border-color: transparent; }
.btn-secondary { background: rgba(255, 141, 43, 0.11); }
.btn-ghost { background: transparent; }
.full-width { width: 100%; }
.info-strip { display: grid; gap: 12px; }
.info-strip > div { background: var(--panel-soft); padding: 14px; border-radius: 16px; }
.info-strip strong { display: block; margin-bottom: 6px; color: var(--text); }
.hero-media .media-box, .media-placeholder { width: 100%; min-height: 280px; border-radius: 18px; background: rgba(255,255,255,0.04); border: 1px dashed var(--line); display: flex; align-items: center; justify-content: center; text-align: center; }
.media-placeholder { flex-direction: column; padding: 20px; }
.media-placeholder span { color: var(--text); font-size: 1.1rem; font-weight: 700; }
.media-note { margin-top: 14px; padding: 12px 14px; background: rgba(255,255,255,0.03); border-radius: 12px; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 10px 0 18px; }
.feature-card h3 { margin-bottom: 8px; }
.cta-band { margin: 10px auto 50px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.site-footer { padding: 24px 0 18px; border-top: 1px solid var(--line); background: rgba(10, 8, 6, 0.75); }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.site-footer a { color: var(--text); }
.copyright { text-align: center; color: var(--muted); padding-top: 18px; font-size: 0.92rem; }
.floating-audio { position: fixed; right: 16px; bottom: 16px; z-index: 20; max-width: min(320px, calc(100% - 32px)); }
.calculator-wrap { padding: 42px 0 50px; }
.calc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-grid { display: grid; gap: 14px; }
label { display: grid; gap: 8px; color: var(--text); font-weight: 700; }
input, textarea, select {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,0.04); color: var(--text);
}
textarea { min-height: 120px; resize: vertical; }
.results-panel .result-box { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 12px; }
.results-panel .result-box.compact { grid-template-columns: repeat(3, 1fr); }
.result-box > div { background: var(--panel-soft); padding: 16px; border-radius: 14px; }
.result-label { display: block; color: var(--muted); margin-bottom: 8px; font-size: 0.9rem; }
.small-note { font-size: 0.92rem; }
.admin-wrap { padding: 42px 0 50px; }
.admin-head { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.admin-form { display: grid; gap: 18px; }
.upload-grid, .check-grid { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.alert { padding: 12px 14px; border-radius: 12px; margin: 16px 0; }
.alert.success { background: rgba(76, 175, 80, 0.14); border: 1px solid rgba(76, 175, 80, 0.4); }
.alert.error { background: rgba(209, 74, 50, 0.14); border: 1px solid rgba(209, 74, 50, 0.4); }
code { background: rgba(255,255,255,0.08); padding: 3px 7px; border-radius: 7px; }
@media (max-width: 900px) {
  .hero-section, .feature-grid, .footer-grid, .calc-grid, .upload-grid, .check-grid, .cta-band { grid-template-columns: 1fr; display: grid; }
  .cta-band { align-items: start; }
}

.admin-sections { display: grid; gap: 18px; margin-top: 18px; }
.inner-panel { padding: 20px; }
.compact-form { max-width: 720px; }
.user-table-wrap { overflow-x: auto; }
.user-table { width: 100%; border-collapse: collapse; }
.user-table th, .user-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); }
.user-table th { color: var(--text); }
.small-note strong { color: var(--text); }


/* Home page transparency patch */
.home-page .panel {
  background: rgba(26, 20, 15, 0.58);
  backdrop-filter: blur(6px);
}
.home-page .info-strip > div,
.home-page .media-note,
.home-page .result-box > div {
  background: rgba(36, 29, 23, 0.48);
}
.home-page .feature-card,
.home-page .cta-band,
.home-page .hero-copy,
.home-page .hero-media {
  background: rgba(26, 20, 15, 0.56);
}