/* ==========================================================================
   SoulFoundation.org — Bespoke Blue-Note Conservatory, Brass & Tube Amber CSS
   100% Unique Visual Architecture: 5-Line Musical Stave Header, Studio Window
   Hero, Interactive Harmony & Voicings Lab, 12 Rehearsal Studio Track Cards.
   ========================================================================== */

:root {
  --bg: #F8F4ED;
  --surface: #FFFFFF;
  --surface-2: #EFE7DA;
  --surface-dark: #14110F;
  --ink: #171311;
  --ink-2: #4A4039;
  --ink-3: #75675C;
  --accent: #B84A14;
  --accent-dark: #8C350B;
  --accent-soft: #FBECE4;
  --brass: #C68B2C;
  --brass-soft: #F7EFE0;
  --border: #DED3C1;
  --border-strong: #BFB099;
  --success: #1D633E;
  --danger: #A82424;
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-studio: 0 12px 30px rgba(23, 19, 17, 0.06);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .hero-title, .section-title {
  font-family: var(--font-display);
  line-height: 1.16;
  color: var(--ink);
  text-wrap: balance;
  margin-top: 0;
}

p, li {
  text-wrap: pretty;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-dark);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(1260px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ==========================================================================
   HEADER: 440Hz Tuning Ribbon + 5-Line Stave Conservatory Masthead
   ========================================================================== */
.sf-conservatory-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 4px 18px rgba(23, 19, 17, 0.05);
}

.sf-tuning-ribbon {
  background: var(--surface-dark);
  color: #EAE1D3;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.42rem 0;
}

.sf-tuning-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.sf-tuning-specs {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.sf-pitch-badge {
  background: var(--brass);
  color: #14110F;
  font-weight: 700;
  padding: 0.1rem 0.55rem;
  border-radius: 3px;
}

.sf-tuning-meta {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.sf-tuning-meta a {
  color: #F4C57A;
  text-decoration: none;
}

.sf-stave-masthead {
  padding: 0.8rem 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 11px,
    rgba(191, 176, 153, 0.22) 11px,
    rgba(191, 176, 153, 0.22) 12px
  );
}

.sf-masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.sf-brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--ink);
}

.sf-horn-emblem {
  width: 44px;
  height: 44px;
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 50%;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sf-brand-titles {
  display: flex;
  flex-direction: column;
}

.sf-brand-name {
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 700;
  color: var(--ink);
}

.sf-brand-sub {
  font-family: var(--font-mono);
  font-size: 0.69rem;
  color: var(--ink-2);
}

.sf-stave-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.sf-nav-link {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid transparent;
  border-radius: 6px;
}

.sf-nav-link:hover,
.sf-nav-link.active {
  border-color: var(--ink);
  color: var(--accent);
  background: var(--surface);
}

.sf-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.header-cta,
.btn-primary,
.btn-outline {
  min-height: 46px;
  padding: 0.65rem 1.3rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-primary,
.sf-tube-cta {
  background: var(--accent);
  color: #FFFFFF;
  border: 1px solid var(--accent-dark);
}

.btn-primary:hover,
.sf-tube-cta:hover {
  background: var(--accent-dark);
  color: #FFFFFF;
}

.btn-outline {
  background: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--ink);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.mobile-menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.hamburger-bar {
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
}

.mobile-drawer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav-links a {
  min-height: 44px;
  display: flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--surface-2);
}

/* ==========================================================================
   HERO: Blue-Note Vinyl Sleeve & Studio Rehearsal Window
   ========================================================================== */
.sf-blue-note-hero {
  padding: 2.5rem 0 4rem;
  border-bottom: 2px solid var(--border-strong);
}

.sf-hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 2.25rem;
  align-items: center;
}

.sf-kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.55rem;
}

.hero-title {
  font-size: clamp(2rem, 3vw, 2.9rem);
  margin-bottom: 0.95rem;
}

.sf-hero-lead {
  font-size: 1.03rem;
  color: var(--ink-2);
  margin: 0 0 1.45rem;
}

.sf-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.85rem;
}

.sf-four-tracks-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.sf-mini-track {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--brass);
  padding: 0.9rem 1rem;
  border-radius: 6px;
}

.sf-mini-code {
  font-family: var(--font-mono);
  font-size: 0.69rem;
  color: var(--accent);
  font-weight: 700;
  display: block;
}

.sf-mini-track strong {
  font-size: 0.92rem;
  display: block;
  margin: 0.15rem 0 0.2rem;
}

.sf-mini-track p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-2);
}

.sf-studio-window {
  margin: 0;
  background: var(--surface-dark);
  padding: 0.85rem;
  border: 2px solid var(--ink);
  border-radius: 10px;
  box-shadow: var(--shadow-studio);
}

.sf-hero-img {
  width: 100%;
  height: 410px;
  object-fit: cover;
  border-radius: 6px;
}

.sf-voicing-card {
  margin-top: 0.8rem;
  padding: 1rem 1.15rem;
  background: #221D1A;
  color: #F8F4ED;
  border-left: 4px solid var(--brass);
  border-radius: 4px;
}

.sf-voicing-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #F4C57A;
  margin-bottom: 0.35rem;
}

.sf-bpm-pill {
  background: rgba(198, 139, 44, 0.25);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.sf-voicing-card strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  margin-bottom: 0.25rem;
  color: #FFFFFF;
}

.sf-voicing-card small {
  font-size: 0.78rem;
  color: #D0C5B5;
}

/* ==========================================================================
   INTERACTIVE HARMONY, VOICINGS & ENSEMBLE ANALYZER
   ========================================================================== */
.sf-harmony-section,
.sf-catalog-section,
.sf-levels-section,
.sf-faq-section,
.sf-contact-section,
.sf-service-body,
.sf-related-section {
  padding: 4.25rem 0;
}

.section-alt {
  background: var(--surface-2);
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  content-visibility: auto;
  contain-intrinsic-size: auto 520px;
}

.sf-section-head {
  max-width: 820px;
  margin-bottom: 2.25rem;
}

.section-title {
  font-size: clamp(1.75rem, 2.4vw, 2.35rem);
  margin-bottom: 0.7rem;
}

.sf-section-sub {
  color: var(--ink-2);
  margin: 0;
}

.sf-harmony-console {
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-studio);
}

.sf-style-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface-2);
  border-bottom: 2px solid var(--ink);
}

.sf-style-tab {
  min-height: 68px;
  padding: 0.9rem 1rem;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-strong);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sf-style-tab:last-child {
  border-right: none;
}

.sf-tab-kicker {
  font-family: var(--font-mono);
  font-size: 0.69rem;
  color: var(--ink-3);
}

.sf-style-tab strong {
  font-size: 0.92rem;
}

.sf-style-tab.active {
  background: var(--accent);
  color: #FFFFFF;
}

.sf-style-tab.active .sf-tab-kicker {
  color: #FBECE4;
}

.sf-console-body {
  padding: 2rem;
}

.sf-chord-banner {
  background: var(--surface-dark);
  color: #FFFFFF;
  padding: 1.1rem 1.35rem;
  border-radius: 8px;
  border-left: 5px solid var(--brass);
  margin-bottom: 1.5rem;
}

.sf-chord-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #F4C57A;
  display: block;
  margin-bottom: 0.3rem;
}

.sf-chord-banner p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
}

.sf-roles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.sf-role-box {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 1.1rem;
}

.sf-role-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}

.sf-role-box p {
  margin: 0;
  font-size: 0.87rem;
}

.sf-console-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.sf-console-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.sf-console-meta small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
}

/* ==========================================================================
   12 CONSERVATORY STUDIO TRACK CARDS
   ========================================================================== */
.sf-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.sf-filter-btn {
  min-height: 44px;
  padding: 0.5rem 1.05rem;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.sf-filter-btn.active,
.sf-filter-btn:hover {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent-dark);
}

.sf-tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.sf-track-card {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-studio);
}

.sf-track-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  background: var(--surface-dark);
  color: #F8F4ED;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.sf-track-num {
  color: #F4C57A;
  font-weight: 700;
}

.sf-track-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.sf-track-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sf-track-badge {
  position: absolute;
  bottom: 0.6rem;
  left: 0.6rem;
  background: rgba(20, 17, 15, 0.88);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.24rem 0.55rem;
  border-radius: 4px;
}

.sf-track-body {
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sf-track-title {
  font-size: 1.22rem;
  margin-bottom: 0.55rem;
}

.sf-track-title a {
  color: var(--ink);
  text-decoration: none;
}

.sf-track-title a:hover {
  color: var(--accent);
}

.sf-track-desc {
  font-size: 0.9rem;
  color: var(--ink-2);
  margin: 0 0 1rem;
  flex: 1;
}

.sf-track-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 1rem;
}

.sf-track-specs small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-3);
}

.sf-track-specs strong {
  font-size: 0.79rem;
}

.sf-track-link {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

/* ==========================================================================
   CURRICULUM TABLE & ATELIER CARDS
   ========================================================================== */
.sf-table-wrap {
  overflow-x: auto;
  margin-bottom: 2.5rem;
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
}

.sf-curriculum-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.sf-curriculum-table th,
.sf-curriculum-table td {
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border);
}

.sf-curriculum-table th {
  background: var(--surface-dark);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.sf-atelier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.sf-atelier-card {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-studio);
}

.sf-atelier-card img {
  width: 100%;
  height: 265px;
  object-fit: cover;
}

.sf-atelier-body {
  padding: 1.5rem;
}

/* ==========================================================================
   FAQ ACCORDION & CONTACT FORMS
   ========================================================================== */
.sf-faq-wrap {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sf-faq-item {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
}

.accordion-heading {
  margin: 0;
}

.accordion-header {
  width: 100%;
  min-height: 54px;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

.accordion-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--accent);
}

.accordion-panel {
  padding: 0 1.25rem 1.25rem;
  color: var(--ink-2);
  border-top: 1px dashed var(--border);
}

.sf-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.25rem;
  align-items: start;
}

.sf-contact-ledger {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  padding: 1.35rem;
  margin-top: 1.25rem;
}

.sf-contact-ledger p {
  margin: 0.45rem 0;
  font-size: 0.92rem;
}

.sf-form-card {
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-studio);
}

.sf-form-note {
  color: var(--ink-2);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.86rem;
  margin-bottom: 0.35rem;
}

.form-input {
  width: 100%;
  min-height: 46px;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  color: var(--ink);
}

.form-input:user-valid {
  border-color: var(--success);
}

.form-input:user-invalid {
  border-color: var(--danger);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.form-check input {
  width: 20px;
  height: 20px;
  margin-top: 0.2rem;
}

.sf-submit-btn {
  width: 100%;
}

.form-feedback {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 6px;
  background: #E6F4EC;
  border: 1px solid var(--success);
  color: var(--ink);
  font-weight: 600;
}

/* ==========================================================================
   INTERNAL SERVICE & LEGAL PAGES
   ========================================================================== */
.sf-service-hero {
  padding: 2.5rem 0 3rem;
  background: var(--surface-2);
  border-bottom: 2px solid var(--border-strong);
}

.sf-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 1.25rem;
}

.sf-service-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.sf-service-specs-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0;
  padding: 1rem;
  background: var(--surface);
  border-radius: 8px;
  border: 1px solid var(--border-strong);
}

.sf-service-specs-strip small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
}

.sf-service-figure {
  margin: 0;
  background: var(--surface);
  padding: 0.75rem;
  border-radius: 10px;
  border: 1.5px solid var(--border-strong);
}

.sf-service-figure img {
  border-radius: 6px;
}

.sf-service-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-2);
  margin-top: 0.55rem;
}

.sf-service-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.8fr);
  gap: 2.25rem;
  align-items: start;
}

.sf-prose {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  padding: 2.25rem;
}

.sf-points-list {
  padding-left: 1.25rem;
}

.sf-points-list li {
  margin-bottom: 0.6rem;
}

.sf-acoustics-note {
  margin-top: 1.75rem;
  padding: 1.25rem;
  background: var(--brass-soft);
  border-left: 4px solid var(--brass);
  border-radius: 0 8px 8px 0;
}

.sf-sidebar-box {
  background: var(--surface);
  border: 2px solid var(--ink);
  border-radius: 10px;
  padding: 1.5rem;
}

.sf-sidebar-dl {
  margin: 1rem 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sf-sidebar-dl dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
}

.sf-sidebar-dl dd {
  margin: 0.15rem 0 0;
  font-weight: 600;
}

.sf-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.sf-related-card {
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  padding: 1.5rem;
}

.sf-legal-header-box {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   VINYL FOOTER & COOKIE BANNER
   ========================================================================== */
.sf-vinyl-footer {
  background: var(--surface-dark);
  color: #EAE1D3;
  padding: 3.5rem 0 2.5rem;
  border-top: 4px solid var(--brass);
  content-visibility: auto;
  contain-intrinsic-size: auto 520px;
}

.sf-footer-stave-bar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: #F4C57A;
}

.sf-footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 2rem;
}

.sf-footer-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 0.7rem;
}

.sf-footer-desc {
  font-size: 0.88rem;
  color: #CFC3B2;
}

.sf-footer-legal-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.82rem;
}

.sf-footer-legal-card p {
  margin: 0.3rem 0;
}

.sf-footer-legal-card a {
  color: #F4C57A;
}

.sf-footer-col h3 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 0.85rem;
}

.sf-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sf-footer-links a {
  color: #D6C9B8;
  text-decoration: none;
  font-size: 0.85rem;
}

.sf-footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.sf-regret-box {
  margin-top: 1.25rem;
  padding: 0.9rem;
  border-radius: 8px;
  background: rgba(184, 74, 20, 0.25);
  border: 1px solid #F4C57A;
}

.sf-regret-btn {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F4C57A;
  color: #14110F;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 6px;
  text-decoration: none;
  margin-bottom: 0.45rem;
}

.sf-regret-box small {
  display: block;
  font-size: 0.73rem;
  color: #DED3C1;
  line-height: 1.4;
}

.sf-footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: #B5A897;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-dark);
  color: #FFFFFF;
  border-top: 2px solid var(--brass);
  padding: 1rem 0;
  z-index: 2000;
}

.cookie-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cookie-banner p {
  margin: 0;
  font-size: 0.86rem;
  flex: 1;
}

.cookie-banner a {
  color: #F4C57A;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS & REDUCED MOTION
   ========================================================================== */
@media (max-width: 1080px) {
  .sf-hero-grid,
  .sf-service-hero-grid,
  .sf-service-body-grid,
  .sf-contact-grid,
  .sf-footer-grid {
    grid-template-columns: 1fr;
  }
  .sf-tracks-grid,
  .sf-related-grid,
  .sf-roles-grid,
  .sf-style-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sf-stave-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
  .sf-tracks-grid,
  .sf-related-grid,
  .sf-atelier-grid,
  .sf-four-tracks-strip,
  .sf-roles-grid,
  .sf-style-tabs,
  .form-row,
  .sf-service-specs-strip {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* === MACRO-ARCHITECTURE: NOCTURNAL MAHOGANY & BRASS CENTERED CONCERT STAGE === */
/* === MACRO-ARCHITECTURE: NOCTURNAL MAHOGANY & BRASS CENTERED CONCERT STAGE === */
.sf-tuning-ribbon {
  display: none !important;
}
body {
  background-color: #130C09 !important;
  color: #F5EFE6 !important;
}
.sf-stave-masthead {
  background: #1C110D !important;
  border-bottom: 2px solid #D4AF37 !important;
}
.sf-brand-name {
  color: #FFFDF9 !important;
}
.sf-brand-sub {
  color: #D4AF37 !important;
}
.sf-nav-link {
  color: #E7DACB !important;
}
.sf-nav-link:hover, .sf-nav-link.active {
  color: #D4AF37 !important;
}
.sf-blue-note-hero {
  background: radial-gradient(circle at 50% 15%, #2D1A12 0%, #130C09 75%) !important;
  padding: 3rem 0 4rem !important;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3) !important;
}
.sf-hero-grid {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
  gap: 2.25rem !important;
}
.sf-hero-copy {
  max-width: 920px !important;
  margin: 0 auto !important;
}
.sf-hero-copy .hero-title {
  color: #FFFDF9 !important;
  font-size: clamp(2.3rem, 4vw, 3.5rem) !important;
}
.sf-hero-copy .sf-hero-lead {
  color: #E2D5C5 !important;
  margin-left: auto !important;
  margin-right: auto !important;
}
.sf-hero-ctas {
  justify-content: center !important;
}
.sf-four-tracks-strip {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 1rem !important;
  width: 100% !important;
  margin-top: 1.75rem !important;
}
.sf-mini-track {
  background: #1E130E !important;
  border: 1px solid rgba(212, 175, 55, 0.35) !important;
  color: #FFFDF9 !important;
  text-align: left !important;
}
.sf-mini-track strong, .sf-mini-track span {
  color: #F5EFE6 !important;
}
.sf-hero-stage {
  width: 100% !important;
  max-width: 1120px !important;
}
.sf-studio-window {
  border: 3px solid #D4AF37 !important;
}
.sf-studio-window img {
  max-height: 440px !important;
  width: 100% !important;
  object-fit: cover !important;
}
@media (max-width: 900px) {
  .sf-four-tracks-strip {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 600px) {
  .sf-four-tracks-strip {
    grid-template-columns: 1fr !important;
  }
}


/* === MOBILE RESPONSIVENESS & ZERO-OVERFLOW ARCHITECTURE (<= 980px & <= 640px) === */
html, body {
  max-width: 100% !important;
  overflow-x: hidden !important;
}

div, section, article, aside, header, footer, main, nav, figure {
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 980px) {
  /* 1. Clean single-row mobile header: Brand on Left, Hamburger on Right, hide desktop CTA & ribbons */
  .cf-telemetry-ribbon,
  .on-finder-bar,
  .on-phone-pill,
  .on-dept-ribbon,
  .ono-top-bar,
  .ono-wing-nav,
  .ono-header-wings > nav,
  .pd-canon-ribbon,
  .pd-folio-nav,
  .pc-cnv-compass-bar,
  .pc-organic-nav,
  .psg-safety-strip,
  .psg-track-nav,
  .sf-tuning-ribbon,
  .sf-stave-nav,
  .sfu-trl-ribbon,
  .sfu-nav,
  .ssl-meridian-strip,
  .ssl-nav,
  .vb-press-strip,
  .vb-nav,
  header .header-cta,
  .cf-header-actions .header-cta,
  .on-header-desk .header-cta,
  .ono-header-wings .header-cta,
  .pd-header-actions .header-cta,
  .pc-header-cta-group .header-cta,
  .psg-header-actions .header-cta,
  .sf-header-actions .header-cta,
  .sfu-header-actions .header-cta,
  .ssl-header-actions .header-cta,
  .vb-header-actions .header-cta {
    display: none !important;
  }

  /* Ensure mobile hamburger toggle is always visible and 46x46px */
  #mobileMenuToggle,
  .mobile-menu-toggle,
  .sfu-burger,
  .ssl-burger,
  .vb-burger {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 46px !important;
    min-height: 46px !important;
    width: 46px !important;
    height: 46px !important;
    flex-shrink: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  /* Force header inner container into a single clean flex row */
  .cf-header-beam,
  .on-top-deck,
  .ono-header-wings,
  .pd-lectern-bar-inner,
  .pc-capsule-shell,
  .psg-gantry-inner,
  .sf-masthead-inner,
  .sfu-dock-inner,
  .ssl-veranda-inner,
  .vb-bar-inner {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 0.65rem !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0.6rem 0.9rem !important;
    box-sizing: border-box !important;
  }

  .cf-formwork-header,
  .on-catalog-header,
  .ono-congress-header,
  .pd-athenaeum-header,
  .pc-circle-header,
  .psg-gantry-header,
  .sf-conservatory-header,
  .sfu-uvt-header,
  .ssl-archival-header,
  .vb-botanical-header {
    position: sticky !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .sfu-dock-bar,
  .pc-capsule-nav-row .container {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }

  .pc-capsule-shell {
    border-radius: 0 !important;
  }

  /* Compact brand block on mobile so it never wraps into 5 lines */
  .cf-brand-plate,
  .on-brand-identity,
  .ono-center-crest,
  .pd-brand-crest,
  .pc-brand-link,
  .psg-brand-box,
  .sf-brand-mark,
  .sfu-brand,
  .ssl-brand,
  .vb-brand {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 0.6rem !important;
    max-width: calc(100% - 60px) !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    text-align: left !important;
    justify-content: flex-start !important;
  }

  .ono-center-crest {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.1rem !important;
    background: transparent !important;
  }

  .cf-brand-title,
  .on-brand-name,
  .ono-crest-title,
  .pd-brand-name,
  .pc-brand-title,
  .psg-brand-name,
  .sf-brand-name,
  .sfu-brand-title,
  .ssl-brand-name,
  .vb-brand-name {
    font-size: 1.05rem !important;
    line-height: 1.15 !important;
    letter-spacing: 0.01em !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 220px !important;
    display: block !important;
  }

  .cf-brand-sub,
  .on-brand-tagline,
  .ono-crest-sub,
  .ono-crest-kicker,
  .pd-brand-sub,
  .pc-brand-tagline,
  .psg-brand-sub,
  .sf-brand-sub,
  .sfu-brand-sub,
  .ssl-brand-tag,
  .vb-brand-sub {
    font-size: 0.65rem !important;
    line-height: 1.2 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 215px !important;
    display: block !important;
  }

  /* 2. Containers & Hero Sections: Proper mobile padding & natural vertical order (Copy first, Image second) */
  .container,
  .sfu-container,
  .ssl-container,
  .vb-container {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 1rem !important;
    padding-right: 1rem !important;
    box-sizing: border-box !important;
  }

  .cf-borehole-hero,
  .on-showroom-bento-hero,
  .ono-pavilion-hero,
  .pd-disputation-hero,
  .pc-venn-dialogue-hero,
  .psg-portal-frame-hero,
  .sf-blue-note-hero,
  .sfu-trl-blueprint-hero,
  .ssl-courtyard-folio-hero,
  .vb-apotheke-counter-hero {
    padding: 1.5rem 0 2.5rem !important;
  }

  /* Put H1/Copy BEFORE Hero Image on mobile screens */
  .on-bento-main-copy,
  .psg-hero-left,
  .vb-hero-story,
  .pd-manifesto-col {
    order: 1 !important;
  }
  .on-bento-lcp-stage,
  .psg-hero-right,
  .vb-hero-counter-stage,
  .pd-amphitheater-stage {
    order: 2 !important;
  }
  .pd-canon-index-col,
  .on-bento-tile {
    order: 3 !important;
  }

  /* Hero inner padding & single-column grids on mobile */
  .sfu-hero-dossier,
  .on-bento-main-copy,
  .ono-hero-stage,
  .cf-manifesto-slab,
  .psg-gantry-frame-box,
  .ssl-hero-courtyard-grid,
  .pd-manifesto-col,
  .pd-amphitheater-stage,
  .pd-canon-index-col {
    padding: 1.25rem !important;
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }

  .sfu-hero-dossier > *,
  .sfu-hero-lead {
    grid-column: 1 / -1 !important;
  }

  /* Prevent badges, kickers, and pills from overflowing 375px width */
  .cf-tie-holes,
  .cf-stamp-badge,
  .on-catalog-pill-row,
  .on-pin-badge,
  .ono-stage-badge,
  .pd-hero-folio-bar,
  .pc-eyebrow-pill,
  .psg-gantry-top-beam,
  .psg-kicker,
  .sf-kicker,
  .sfu-dossier-kicker,
  .ssl-masthead-kicker,
  .vb-batch-pill {
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
    max-width: 100% !important;
    flex-wrap: wrap !important;
    font-size: 0.7rem !important;
    line-height: 1.35 !important;
  }

  .on-pin-badge {
    position: static !important;
    margin: 0.5rem !important;
    display: flex !important;
    width: calc(100% - 1rem) !important;
  }

  /* Responsive mobile H1 typography */
  h1,
  .hero-title,
  .cf-hero-h1,
  .on-hero-h1,
  .ono-hero-h1 {
    font-size: clamp(1.5rem, 6vw, 2rem) !important;
    line-height: 1.2 !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
    max-width: 100% !important;
  }

  /* Full-width stacked CTA buttons on mobile */
  .cf-hero-cta-bar,
  .on-hero-actions,
  .ono-hero-cta-group,
  .pd-hero-ctas,
  .pc-hero-actions,
  .psg-hero-ctas,
  .sf-hero-ctas,
  .sfu-hero-ctas,
  .ssl-hero-actions,
  .vb-hero-ctas {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.65rem !important;
    width: 100% !important;
  }

  .cf-hero-cta-bar a,
  .on-hero-actions a,
  .ono-hero-cta-group a,
  .pd-hero-ctas a,
  .pc-hero-actions a,
  .psg-hero-ctas a,
  .sf-hero-ctas a,
  .sfu-hero-ctas a,
  .ssl-hero-actions a,
  .vb-hero-ctas a {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
  }

  .vb-hero-figure,
  .pc-arched-frame {
    border-radius: 28px !important;
    border-width: 4px !important;
  }

  /* 3. Sleek, non-intrusive mobile Cookie Banner at bottom */
  .cookie-banner,
  #cookieBanner {
    left: 0.5rem !important;
    right: 0.5rem !important;
    bottom: 0.5rem !important;
    width: auto !important;
    max-width: calc(100vw - 1rem) !important;
    padding: 0.75rem 0.9rem !important;
    box-sizing: border-box !important;
    border-radius: 8px !important;
    z-index: 999 !important;
  }

  .cookie-banner-inner,
  .sfu-cookie-inner,
  .ssl-cookie-inner,
  .vb-cookie-inner {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.55rem !important;
    padding: 0 !important;
  }

  .cookie-banner p,
  #cookieBanner p {
    font-size: 0.74rem !important;
    line-height: 1.35 !important;
    margin: 0 !important;
  }

  .cookie-banner button,
  #cookieBanner button,
  .cookie-actions button,
  .cookie-actions .btn-primary {
    width: 100% !important;
    min-height: 44px !important;
    padding: 0.45rem 0.75rem !important;
    font-size: 0.78rem !important;
  }
}


/* === STRICT 375PX MOBILE VIEWPORT & TABLE/DRAWER SAFETY === */
@media (max-width: 980px) {
  html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  main, .site-footer, footer {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  /* Tables: always scroll horizontally inside their own container, never expanding body */
  table {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    border-collapse: collapse !important;
  }

  /* Ensure all multi-column grids collapse to 1 column on <= 768px */
  @media (max-width: 768px) {
    [class*="grid"],
    [class*="split"],
    [class*="trio"],
    [class*="row"],
    [class*="strip"],
    [class*="bento"],
    [class*="triptych"],
    [class*="collage"],
    [class*="console"],
    [class*="panel"],
    [class*="board"],
    [class*="stage"] {
      grid-template-columns: 1fr !important;
    }

    /* Keep header inner row horizontal (Logo Left + Burger Right) */
    .cf-header-beam,
    .on-top-deck,
    .ono-header-wings,
    .pd-lectern-bar-inner,
    .pc-capsule-shell,
    .psg-gantry-inner,
    .sf-masthead-inner,
    .sfu-dock-inner,
    .ssl-veranda-inner,
    .vb-bar-inner {
      display: flex !important;
      flex-direction: row !important;
      flex-wrap: nowrap !important;
      align-items: center !important;
      justify-content: space-between !important;
      width: 100% !important;
      max-width: 100% !important;
      padding: 0.6rem 0.85rem !important;
    }

    /* Mobile drawer full-width clean overlay */
    #mobileDrawer,
    .mobile-drawer,
    .sfu-mobile-drawer,
    .ssl-mobile-drawer,
    .vb-mobile-drawer {
      max-width: 100vw !important;
      box-sizing: border-box !important;
    }
  }
}


/* === FINAL MOBILE POLISH: COMPACT COOKIE BAR & TOP RIBBON CLEANUP === */
.ono-hero-stage {
  background: #111827 !important;
  border: 1px solid #E11D48 !important;
}
@media (max-width: 980px) {
  .ono-top-ribbon,
  .ono-norm-strip,
  body > div:first-child:not(.drawer-backdrop):not(.cookie-banner) {
    display: none !important;
  }
  .cookie-banner,
  #cookieBanner {
    padding: 0.55rem 0.75rem !important;
  }
  .cookie-title,
  .cookie-banner h3,
  .cookie-banner h4 {
    font-size: 0.7rem !important;
    line-height: 1.2 !important;
    margin: 0 0 0.2rem 0 !important;
  }
  .cookie-banner p,
  #cookieBanner p {
    font-size: 0.68rem !important;
    line-height: 1.25 !important;
    margin: 0 0 0.4rem 0 !important;
  }
}