/* =========================================================
   S.V.E.N Inc. — Master Brand Ecosystem
   Static hub + division placeholders (Obsidian Core untouched)
   ========================================================= */

:root {
  --bg: #0a0c0f;
  --surface: rgba(255, 255, 255, 0.03);
  --hairline: rgba(255, 255, 255, 0.09);
  --text: #eceef2;
  --muted: rgba(236, 238, 242, 0.68);
  --faint: rgba(236, 238, 242, 0.42);

  --parent-accent: #c9b896;
  --parent-glow: rgba(201, 184, 150, 0.22);

  --accent-obsidian: #4fa3ff;
  --accent-precision: #e8784a;
  --accent-roots: #7bae7f;
  --accent-blackneck: #9b7ed9;
  --accent-music: #c77dff;

  --maxw: 1080px;
  --padx: 28px;
  --radius: 14px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

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

.wrap {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* ── Unified ecosystem navigation ── */
.eco-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--hairline);
  background: rgba(10, 12, 15, 0.92);
  backdrop-filter: blur(10px);
}

.eco-nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--padx);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.eco-nav-brand {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--parent-accent);
  font-weight: 600;
  margin-right: auto;
}

.eco-nav-brand span {
  color: var(--faint);
  font-weight: 400;
}

.eco-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.eco-nav-links a {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 8px 6px;
  border-radius: 8px;
  border-bottom: 2px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}

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

.eco-nav-links a.is-active {
  color: var(--text);
  border-bottom-color: var(--division-accent, var(--parent-accent));
}

.eco-nav-links a[data-division="obsidian-core"]:hover,
.eco-nav-links a[data-division="obsidian-core"].is-active {
  color: var(--accent-obsidian);
  border-bottom-color: var(--accent-obsidian);
}

.eco-nav-links a[data-division="precision-demolition"]:hover,
.eco-nav-links a[data-division="precision-demolition"].is-active {
  color: var(--accent-precision);
  border-bottom-color: var(--accent-precision);
}

.eco-nav-links a[data-division="roots-and-reason"]:hover,
.eco-nav-links a[data-division="roots-and-reason"].is-active {
  color: var(--accent-roots);
  border-bottom-color: var(--accent-roots);
}

.eco-nav-links a[data-division="black-neck-digital"]:hover,
.eco-nav-links a[data-division="black-neck-digital"].is-active {
  color: var(--accent-blackneck);
  border-bottom-color: var(--accent-blackneck);
}

.eco-nav-links a[data-division="music"]:hover,
.eco-nav-links a[data-division="music"].is-active {
  color: var(--accent-music);
  border-bottom-color: var(--accent-music);
}

/* ── Main layout ── */
.main {
  flex: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  padding: 48px var(--padx) 72px;
}

.kicker {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}

.h1 {
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 10px 0 0;
  line-height: 1.1;
}

.lead {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.75;
  font-size: 15px;
}

.hero-message {
  max-width: 68ch;
  font-size: 16px;
  color: var(--text);
  letter-spacing: 0.01em;
}

.hero-principles {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--faint);
  border-left: 2px solid var(--parent-accent);
  padding-left: 16px;
}

.h2 {
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 8px 0 0;
  line-height: 1.2;
  color: var(--text);
}

.section-header {
  margin-bottom: 28px;
}

.section-lead {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.hr {
  height: 1px;
  background: var(--hairline);
  margin: 36px 0;
}

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  padding: 24px var(--padx) 34px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faint);
  border-top: 1px solid var(--hairline);
}

.hub-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--parent-accent);
  font-weight: 600;
}

.footer-motto {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  max-width: 48ch;
  line-height: 1.6;
}

.footer-legal {
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ── Master hub ── */
.hub-hero {
  padding-top: 16px;
}

.hero-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 0 16px;
  position: relative;
}

.hero-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100%, 520px);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(201, 184, 150, 0.35) 25%,
    rgba(201, 184, 150, 0.55) 50%,
    rgba(201, 184, 150, 0.35) 75%,
    transparent
  );
  opacity: 0.7;
}

.hub-brand-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  margin-bottom: 22px;
  border: 1px solid rgba(201, 184, 150, 0.3);
  border-radius: 10px;
  background:
    linear-gradient(165deg, rgba(201, 184, 150, 0.1) 0%, rgba(10, 12, 15, 0.96) 100%);
  box-shadow:
    inset 0 1px 0 rgba(201, 184, 150, 0.14),
    0 14px 36px rgba(0, 0, 0, 0.28);
}

.hub-brand-logo {
  display: block;
  max-width: min(200px, 68vw);
  max-height: 64px;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: 0;
}

.hub-kicker {
  color: var(--parent-accent);
  letter-spacing: 0.28em;
  margin-bottom: 4px;
}

.hub-title {
  font-size: clamp(36px, 6vw, 52px);
  letter-spacing: 0.14em;
  margin: 8px 0 0;
  color: var(--text);
  text-shadow: 0 0 48px rgba(201, 184, 150, 0.12);
}

.hero-block .hero-message {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.hero-block .hero-principles {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  border-left: none;
  border-top: 2px solid rgba(201, 184, 150, 0.45);
  padding: 18px 0 0;
  max-width: 54ch;
}

.divisions-block {
  padding-top: 8px;
}

.hub-divider {
  width: min(120px, 28vw);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--parent-accent), transparent);
  margin: 24px 0 26px;
  opacity: 0.8;
}

.division-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

.division-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.division-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--parent-accent));
  opacity: 0.9;
}

.division-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--card-texture-opacity, 0);
  background: var(--card-texture, none);
  background-size: var(--card-texture-size, 100% 100%);
}

.division-card:hover {
  transform: translateY(-3px);
  border-color: var(--card-border-hover, var(--card-accent, var(--parent-accent)));
  box-shadow: 0 0 32px var(--card-glow, var(--parent-glow));
}

.division-card .card-kicker {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--card-accent, var(--parent-accent));
  position: relative;
  z-index: 1;
}

.division-card .card-title {
  font-size: 17px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin: 0;
  position: relative;
  z-index: 1;
}

.division-card .card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  flex: 1;
  position: relative;
  z-index: 1;
}

.division-card .card-link {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--card-accent, var(--parent-accent));
  margin-top: 6px;
  position: relative;
  z-index: 1;
}

.card-obsidian {
  --card-accent: #4fa3ff;
  --card-glow: rgba(79, 163, 255, 0.22);
  --card-border-hover: rgba(79, 163, 255, 0.45);
  --card-texture-opacity: 1;
  --card-texture:
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(79, 163, 255, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(79, 163, 255, 0.05) 0%, transparent 50%);
  background: rgba(8, 14, 22, 0.65);
  border-color: rgba(79, 163, 255, 0.18);
}

.card-precision {
  --card-accent: #f5c518;
  --card-glow: rgba(245, 197, 24, 0.18);
  --card-border-hover: rgba(245, 197, 24, 0.4);
  --card-texture-opacity: 1;
  --card-texture:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 10px,
      rgba(92, 99, 106, 0.06) 10px,
      rgba(92, 99, 106, 0.06) 11px
    ),
    linear-gradient(160deg, rgba(245, 197, 24, 0.07) 0%, transparent 45%);
  background: rgba(14, 15, 16, 0.75);
  border-color: rgba(92, 99, 106, 0.35);
}

.card-roots {
  --card-accent: #7bae7f;
  --card-glow: rgba(123, 174, 127, 0.2);
  --card-border-hover: rgba(123, 174, 127, 0.42);
  --card-texture-opacity: 1;
  --card-texture:
    radial-gradient(ellipse 70% 55% at 0% 100%, rgba(166, 144, 118, 0.1), transparent 55%),
    linear-gradient(165deg, rgba(109, 143, 111, 0.08) 0%, transparent 50%);
  background: rgba(18, 20, 16, 0.7);
  border-color: rgba(166, 144, 118, 0.22);
}

.card-blackneck {
  --card-accent: #e891af;
  --card-glow: rgba(232, 145, 175, 0.2);
  --card-border-hover: rgba(232, 145, 175, 0.42);
  --card-texture-opacity: 1;
  --card-texture:
    linear-gradient(rgba(232, 145, 175, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 145, 175, 0.04) 1px, transparent 1px),
    linear-gradient(145deg, rgba(107, 83, 68, 0.12) 0%, transparent 55%);
  --card-texture-size: 18px 18px, 18px 18px, 100% 100%;
  background: rgba(16, 12, 14, 0.72);
  border-color: rgba(232, 145, 175, 0.2);
}

.card-music {
  --card-accent: #3d7cff;
  --card-glow: rgba(61, 124, 255, 0.22);
  --card-border-hover: rgba(61, 124, 255, 0.45);
  --card-texture-opacity: 1;
  --card-texture:
    radial-gradient(ellipse 90% 70% at 50% -20%, rgba(61, 124, 255, 0.14), transparent 55%),
    linear-gradient(180deg, rgba(6, 8, 12, 0.4) 0%, transparent 60%);
  background: rgba(6, 8, 12, 0.85);
  border-color: rgba(138, 149, 168, 0.22);
}

.card-music .card-title {
  text-shadow: 0 0 24px rgba(61, 124, 255, 0.15);
}

/* ── Hub parchment flagship surface (.division-hub only) ── */
.division-hub {
  --hub-text: #3a2e28;
  --hub-muted: rgba(58, 46, 40, 0.68);
  --hub-faint: rgba(58, 46, 40, 0.45);
  --hub-hairline: rgba(74, 52, 40, 0.14);
  --hub-green: #4a7350;
  --hub-gold: #b8956a;
  --hub-crimson: #7a2e32;
  --hub-bark: #4a3428;
  --division-accent: var(--hub-gold);
  --division-glow: rgba(184, 149, 106, 0.22);
  color: var(--hub-text);
  background-color: #f4ede0;
  background-image:
    radial-gradient(ellipse 85% 52% at 50% -6%, rgba(184, 149, 106, 0.22), transparent 58%),
    radial-gradient(ellipse 48% 38% at 10% 90%, rgba(74, 115, 80, 0.12), transparent 52%),
    radial-gradient(ellipse 42% 32% at 90% 86%, rgba(122, 46, 50, 0.07), transparent 48%),
    linear-gradient(180deg, #f4ede0 0%, #ebe4d4 100%);
  background-size: 100% 100%;
}

.division-hub .kicker {
  color: var(--hub-faint);
}

.division-hub .hub-kicker {
  color: var(--hub-bark);
}

.division-hub .h1,
.division-hub .h2,
.division-hub .hub-title {
  color: var(--hub-text);
}

.division-hub .hub-title {
  text-shadow: none;
}

.division-hub .lead,
.division-hub .section-lead {
  color: var(--hub-muted);
}

.division-hub .hero-message {
  color: var(--hub-text);
}

.division-hub .hero-principles {
  color: var(--hub-faint);
  border-top-color: rgba(184, 149, 106, 0.48);
}

.division-hub .hr {
  background: linear-gradient(90deg, var(--hub-green), var(--hub-gold), transparent);
  opacity: 0.55;
}

.division-hub .footer {
  color: var(--hub-faint);
  border-top-color: var(--hub-hairline);
  background: #e8dfd0;
}

.division-hub .footer-motto {
  color: var(--hub-muted);
}

.division-hub .footer-brand {
  color: var(--hub-green);
}

.division-hub .hub-brand-frame {
  background:
    linear-gradient(165deg, rgba(184, 149, 106, 0.12) 0%, rgba(10, 12, 15, 0.96) 100%);
  border-color: rgba(184, 149, 106, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(184, 149, 106, 0.16),
    0 14px 36px rgba(74, 52, 40, 0.16);
}

.division-hub .division-card {
  background: #faf6ef;
  border-color: var(--hub-hairline);
}

.division-hub .division-card .card-kicker {
  color: var(--hub-bark);
}

.division-hub .division-card .card-title {
  color: var(--hub-text);
}

.division-hub .division-card .card-desc {
  color: var(--hub-muted);
}

.division-hub .card-obsidian {
  --card-accent: #5cadff;
  --card-glow: rgba(92, 173, 255, 0.35);
  --card-border-hover: rgba(140, 198, 255, 0.62);
  --card-texture-opacity: 1;
  --card-texture:
    radial-gradient(ellipse 88% 72% at 100% 0%, rgba(92, 173, 255, 0.2), transparent 58%),
    radial-gradient(ellipse 55% 50% at 0% 100%, rgba(14, 16, 18, 0.92), transparent 55%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.06) 0%, transparent 38%);
  background: linear-gradient(165deg, #141820 0%, #0c0e14 42%, #080a0f 100%);
  border-color: rgba(196, 210, 228, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 0 1px rgba(92, 173, 255, 0.12),
    0 14px 32px rgba(8, 10, 14, 0.35);
}

.division-hub .card-obsidian::before {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(92, 173, 255, 0.95) 38%,
    rgba(76, 148, 230, 0.85) 100%
  );
  opacity: 1;
}

.division-hub .card-obsidian .card-kicker {
  color: #8ec8ff;
}

.division-hub .card-obsidian .card-title {
  color: #f8fafc;
  text-shadow: 0 0 24px rgba(92, 173, 255, 0.15);
}

.division-hub .card-obsidian .card-desc {
  color: rgba(232, 238, 248, 0.82);
}

.division-hub .card-obsidian .card-link {
  color: #b8dcff;
}

.division-hub .card-obsidian:hover {
  border-color: rgba(140, 198, 255, 0.55);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 0 36px rgba(92, 173, 255, 0.22);
}

.division-hub .card-precision {
  --card-accent: #e4b45a;
  --card-glow: rgba(228, 180, 90, 0.22);
  --card-border-hover: rgba(228, 180, 90, 0.45);
  --card-texture: none;
  --card-texture-opacity: 0;
  background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%);
  border: 1px solid rgba(92, 99, 106, 0.18);
  border-left: 3px solid #e4b45a;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 8px 20px rgba(58, 46, 40, 0.08);
}

.division-hub .card-precision::before {
  background: linear-gradient(90deg, #e4b45a, #f0c86a);
  opacity: 0.95;
}

.division-hub .card-precision .card-kicker {
  color: #9a7a28;
}

.division-hub .card-precision .card-title {
  color: #3a3a3a;
  text-shadow: none;
}

.division-hub .card-precision .card-desc {
  color: rgba(58, 46, 40, 0.72);
}

.division-hub .card-precision .card-link {
  color: #8a6b1a;
}

.division-hub .card-precision:hover {
  border-color: rgba(228, 180, 90, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 24px rgba(228, 180, 90, 0.18);
}

.division-hub .card-roots {
  --card-glow: rgba(74, 115, 80, 0.16);
  --card-texture:
    radial-gradient(ellipse 70% 55% at 0% 100%, rgba(184, 149, 106, 0.12), transparent 55%),
    linear-gradient(165deg, rgba(74, 115, 80, 0.12) 0%, transparent 50%);
  background: #f3f6f0;
  border-color: rgba(74, 115, 80, 0.24);
  border-top: 2px solid rgba(184, 149, 106, 0.45);
}

.division-hub .card-blackneck {
  --card-glow: rgba(232, 145, 175, 0.16);
  --card-texture:
    radial-gradient(ellipse 70% 55% at 100% 0%, rgba(232, 145, 175, 0.12), transparent 55%),
    linear-gradient(145deg, rgba(139, 111, 71, 0.1) 0%, transparent 55%);
  background: #faf4f2;
  border-color: rgba(232, 145, 175, 0.24);
}

.division-hub .card-music {
  --card-glow: rgba(100, 160, 230, 0.16);
  --card-texture:
    radial-gradient(ellipse 90% 70% at 50% -20%, rgba(135, 186, 255, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(220, 233, 248, 0.5) 0%, transparent 60%);
  background: #eef4fb;
  border-color: rgba(100, 160, 230, 0.22);
}

.division-hub .card-music .card-title {
  text-shadow: none;
}

/* ── Division placeholder pages ── */
.division-page .division-accent-bar {
  width: 48px;
  height: 3px;
  background: var(--division-accent);
  margin: 20px 0 0;
  border-radius: 2px;
}

.notice {
  border: 1px solid var(--hairline);
  background: var(--surface);
  border-left: 3px solid var(--division-accent, var(--parent-accent));
  border-radius: var(--radius);
  padding: 18px 20px;
  line-height: 1.65;
}

.notice .title {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--division-accent, var(--parent-accent));
  margin-bottom: 8px;
}

.notice p {
  margin: 0;
  color: var(--muted);
  max-width: 65ch;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background: var(--surface);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.btn:hover {
  border-color: var(--division-accent, var(--parent-accent));
  box-shadow: 0 0 22px var(--division-glow, var(--parent-glow));
  color: var(--text);
}

.btn-primary {
  background: var(--division-accent, var(--parent-accent));
  color: #0a0c0f;
  border: none;
  font-weight: 600;
}

.btn-primary:hover {
  filter: brightness(1.05);
  color: #0a0c0f;
}

/* Division body themes — non-hub division accents only */
.division-precision { --division-accent: var(--accent-precision); --division-glow: rgba(232, 120, 74, 0.22); }
.division-roots { --division-accent: var(--accent-roots); --division-glow: rgba(123, 174, 127, 0.22); }
.division-blackneck { --division-accent: var(--accent-blackneck); --division-glow: rgba(155, 126, 217, 0.22); }
.division-music { --division-accent: var(--accent-music); --division-glow: rgba(199, 125, 255, 0.22); }

.fade-in {
  animation: fadeIn 240ms ease-out both;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .eco-nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .eco-nav-brand {
    margin-right: 0;
  }

  .hub-brand-frame {
    padding: 14px 18px;
    margin-bottom: 18px;
  }

  .hub-brand-logo {
    max-width: min(176px, 76vw);
    max-height: 56px;
  }

  .hero-block {
    padding: 20px 0 12px;
  }

  .hub-title {
    letter-spacing: 0.1em;
  }

  .division-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .division-hub {
    background-attachment: scroll;
  }
}