/*
Theme Name: REQUIEM // 37 Landing
Theme URI: https://flaresinstruments.com
Author: FLARES Instruments
Author URI: https://flaresinstruments.com
Description: Product landing and storefront theme for the REQUIEM // 37 bio-acoustic synthesizer.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: Proprietary
Text Domain: requiem37
*/
:root {
  --bg-obsidian: #07090d;
  --bg-panel: #0c1016;
  --bg-elevated: #121824;
  --hairline: #1e2530;
  --hairline-bright: #2f3a4a;
  --bone: #e6dfd0;
  --bone-dim: #a9a79d;
  --ash: #6c7078;
  --crimson: #c82026;
  --crimson-dim: rgba(200, 32, 38, 0.16);
  --gold: #d47a2a;
  --ice: #74c2e0;
  --bleach: #f7f5ee;
  --bio-green: #45b868;

  --font-serif: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--bg-obsidian);
  color: var(--bone);
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-obsidian);
  background-image:
    radial-gradient(circle at 50% 14%, rgba(116, 194, 224, 0.05) 0%, transparent 52%),
    radial-gradient(circle at 50% 90%, rgba(200, 32, 38, 0.04) 0%, transparent 55%),
    linear-gradient(to bottom, #0b0e14 0%, #060810 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle film grain overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration: none;
}

/* Architectural Container with exposed 1px borders */
.frame-shell {
  max-width: 1360px;
  margin: 0 auto;
  border-left: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
}

/* Top Telemetry / Archival Classification Strip */
.telemetry-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 24px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ash);
  background: #060910;
}

.telemetry-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--bone-dim);
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--crimson);
  display: inline-block;
  box-shadow: 0 0 8px var(--crimson);
}

/* Sticky Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 280px 1fr auto;
  align-items: stretch;
  border-bottom: 1px solid var(--hairline);
  background: rgba(8, 8, 10, 0.92);
  backdrop-filter: blur(10px);
}

.brand-cell {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-right: 1px solid var(--hairline);
}

.brand-mark {
  width: 10px;
  height: 28px;
  background: var(--crimson);
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--bone);
}

.brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: var(--ash);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 32px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.nav-links a {
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--bone);
}

.header-cta {
  display: flex;
  align-items: center;
  border-left: 1px solid var(--hairline);
}

.btn-buy-header {
  height: 100%;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0 28px;
  background: var(--crimson);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-buy-header:hover {
  background: #db3139;
}

.price-strike {
  opacity: 0.65;
  text-decoration: line-through;
  font-weight: 400;
}

/* HERO SECTION: Split Editorial Dossier + Live Interactive Bio-Core */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  border-bottom: 1px solid var(--hairline);
}

.hero-left {
  padding: 64px 56px;
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dossier-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 24px;
}

.dossier-tag::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--crimson);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(44px, 5.2vw, 76px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--bone);
  margin-bottom: 28px;
}

.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--crimson);
}

.hero-lead {
  font-size: 17px;
  line-height: 1.65;
  color: var(--bone-dim);
  max-width: 580px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 18px 30px;
  background: var(--bone);
  color: var(--bg-obsidian);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--bone);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary:hover {
  background: var(--crimson);
  border-color: var(--crimson);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 26px;
  background: transparent;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--hairline-bright);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  border-color: var(--bone);
  background: rgba(228, 223, 213, 0.05);
}

.hero-specs-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  gap: 16px;
}

.spec-mini-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ash);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.spec-mini-val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--bone);
}

/* HERO RIGHT: Live Interactive WebAudio Bio-Core Audition Deck */
.hero-right {
  background: #090c12;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.biocore-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--bone-dim);
}

.vital-badge {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--bio-green);
}

.biocore-stage {
  position: relative;
  height: 360px;
  width: 100%;
  background: radial-gradient(ellipse at 44% 28%, var(--bleach) 0%, #cfe0e8 30%, #7fa3b8 52%, #1c3448 76%, #081018 100%);
  cursor: crosshair;
  box-shadow: inset 0 0 0 1px rgba(8, 12, 16, 0.85), inset 0 0 48px rgba(8, 16, 24, 0.35);
  overflow: hidden;
}

#bioCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.biocore-overlay-hint {
  position: absolute;
  bottom: 12px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(16, 28, 38, 0.72);
}

/* Interactive Audition Deck */
.audition-deck {
  border-top: 1px solid var(--hairline);
  padding: 20px;
  background: var(--bg-panel);
}

.deck-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--ash);
  text-transform: uppercase;
}

.patch-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.patch-btn {
  text-align: left;
  padding: 11px 12px;
  background: #090c12;
  border: 1px solid var(--hairline);
  color: var(--bone-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.patch-btn:hover {
  border-color: var(--bone-dim);
  color: var(--bone);
}

.patch-btn.active {
  background: var(--crimson-dim);
  border-color: var(--crimson);
  color: var(--bone);
}

.deck-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--hairline);
}

.mini-slider-group label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ash);
  margin-bottom: 6px;
}

.mini-slider-group input[type="range"] {
  width: 100%;
  accent-color: var(--crimson);
  cursor: pointer;
}

/* SECTION HEADER BAR */
.section-bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 28px 40px;
  border-bottom: 1px solid var(--hairline);
  background: #0a0d13;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--crimson);
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bone);
}

.section-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ash);
}

/* HARDWARE INTERFACE INSPECTION SECTION */
.hardware-showcase {
  padding: 48px 40px;
  border-bottom: 1px solid var(--hairline);
  background: radial-gradient(circle at 50% 42%, #18202e 0%, #07090d 82%);
}

.plugin-frame-wrapper {
  position: relative;
  max-width: 1180px;
  margin: 0 auto 36px;
  border: 1px solid var(--hairline-bright);
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  background: #090c12;
}

.plugin-preview-canvas {
  width: 100%;
  height: auto;
  display: block;
}

/* Interactive Callout Pins on the Hardware UI */
.callout-pin {
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--crimson);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bone);
  cursor: pointer;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.8);
  transition: transform 0.15s ease, background 0.15s ease;
}

.callout-pin:hover,
.callout-pin.active {
  transform: translate(-50%, -50%) scale(1.18);
  background: var(--bone);
  color: var(--bg-obsidian);
}

.callout-inspector {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--hairline);
  background: var(--bg-panel);
}

.callout-card {
  padding: 20px;
  border-right: 1px solid var(--hairline);
  cursor: pointer;
  transition: background 0.15s ease;
}

.callout-card:last-child {
  border-right: none;
}

.callout-card.active,
.callout-card:hover {
  background: #151b26;
}

.callout-card-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--crimson);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.callout-card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--bone);
  margin-bottom: 8px;
}

.callout-card-desc {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--bone-dim);
}

/* ARCHITECTURAL SIGNAL PATH (4-COLUMN BRUTALIST GRID) */
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--hairline);
}

.arch-col {
  padding: 40px 32px;
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.arch-col:last-child {
  border-right: none;
}

.arch-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--crimson);
  letter-spacing: 0.14em;
  margin-bottom: 18px;
}

.arch-heading {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--bone);
  margin-bottom: 16px;
}

.arch-body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--bone-dim);
  margin-bottom: 28px;
}

.arch-metric {
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.08em;
}

/* 50 FACTORY PRESETS ARCHIVAL INDEX */
.presets-section {
  padding: 48px 40px;
  border-bottom: 1px solid var(--hairline);
}

.preset-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.filter-pill {
  padding: 9px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--hairline);
  color: var(--bone-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-pill.active,
.filter-pill:hover {
  border-color: var(--crimson);
  background: var(--crimson-dim);
  color: var(--bone);
}

.preset-table-wrap {
  border: 1px solid var(--hairline);
  max-height: 390px;
  overflow-y: auto;
  background: #090c12;
}

.preset-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}

.preset-table th {
  position: sticky;
  top: 0;
  background: #131924;
  color: var(--ash);
  text-align: left;
  padding: 12px 18px;
  border-bottom: 1px solid var(--hairline);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preset-table td {
  padding: 11px 18px;
  border-bottom: 1px solid #161c26;
  color: var(--bone-dim);
}

.preset-table tr:hover td {
  background: rgba(196, 40, 47, 0.08);
  color: var(--bone);
}

.cat-badge {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--hairline-bright);
  font-size: 10px;
  color: var(--gold);
}

/* COMMERCIAL PRICING & ACQUISITION SECTION */
.acquisition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--hairline);
}

.pricing-box {
  padding: 56px 48px;
  border-right: 1px solid var(--hairline);
  background: linear-gradient(180deg, #101722 0%, #080a0f 100%);
}

.price-tag-row {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 20px 0 12px;
}

.price-now {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  color: var(--bone);
  line-height: 1;
}

.price-msrp {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ash);
  text-decoration: line-through;
}

.price-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  background: var(--crimson);
  color: #fff;
  letter-spacing: 0.1em;
}

.checklist {
  list-style: none;
  margin: 28px 0 36px;
  border-top: 1px solid var(--hairline);
}

.checklist li {
  padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--bone-dim);
  display: flex;
  justify-content: space-between;
}

.checklist li span:last-child {
  color: var(--bone);
}

.specs-box {
  padding: 56px 48px;
  background: var(--bg-obsidian);
}

.spec-dl {
  margin-top: 24px;
  border-top: 1px solid var(--hairline);
}

.spec-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
}

.spec-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ash);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.spec-row dd {
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

/* FOOTER */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 34px 40px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ash);
  letter-spacing: 0.1em;
}

/* MODAL FOR CHECKOUT / LICENSE ACTIVATION PREVIEW */
.checkout-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 24px;
}

.checkout-modal.open {
  display: flex;
}

.modal-card {
  width: 100%;
  max-width: 540px;
  background: var(--bg-panel);
  border: 1px solid var(--crimson);
  padding: 36px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.9);
}

@media (max-width: 1024px) {
  .hero-grid,
  .acquisition-grid {
    grid-template-columns: 1fr;
  }
  .architecture-grid {
    grid-template-columns: 1fr 1fr;
  }
  .callout-inspector {
    grid-template-columns: 1fr;
  }
  .site-header {
    grid-template-columns: 1fr auto;
  }
  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-left {
    padding: 40px 24px;
  }
  .hero-specs-strip {
    grid-template-columns: 1fr 1fr;
    gap: 20px 16px;
  }
  .biocore-header {
    flex-wrap: wrap;
    gap: 4px 12px;
    font-size: 10px;
  }
  .architecture-grid {
    grid-template-columns: 1fr;
  }
  .section-bar {
    flex-direction: column;
    gap: 8px;
    padding: 22px 24px;
  }
  .section-title {
    font-size: 24px;
  }
  .hardware-showcase,
  .presets-section {
    padding: 28px 16px;
  }
  .pricing-box,
  .specs-box {
    padding: 36px 24px;
  }
  .spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .telemetry-bar {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
}

.footer-brand {
  color: var(--bone);
  opacity: 0.9;
  transition: opacity 0.15s ease;
}
.footer-brand:hover {
  opacity: 1;
}
.footer-brand svg {
  display: block;
}

.brand-sub-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--bone-dim);
  margin-top: 4px;
}
.brand-sub-logo svg {
  display: block;
  transform: translateY(1px);
}
.brand-sub-word {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.30em;
  color: var(--ash);
}

/* FLARES Instruments masthead */
.masthead {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 9px;
  padding: 30px 20px 22px;
  border-bottom: 1px solid var(--hairline);
  background: #080b10;
  color: var(--bone);
}
.masthead svg {
  display: block;
}
.masthead-word {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.56em;
  margin-right: -0.56em;
  color: var(--bone-dim);
}