/* ═══════════════════════════════════════════════════════════════
   SpiritBox Flagship Design System — "Obsidian & Titanium"
   Bespoke, High-Performance, Anti-AI-Trope Commercial Styling
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Core Dark Palette */
  --sb-bg: #07090e;
  --sb-bg-elevated: #0d121c;
  --sb-card: rgba(16, 22, 34, 0.75);
  --sb-card-solid: #101622;
  --sb-card-hover: rgba(22, 30, 48, 0.85);
  --sb-border: rgba(255, 255, 255, 0.08);
  --sb-border-focus: rgba(0, 242, 254, 0.4);
  --sb-border-glow: rgba(0, 242, 254, 0.2);

  /* Typography & Ink */
  --sb-text: #f8fafc;
  --sb-text-secondary: #94a3b8;
  --sb-text-muted: #64748b;
  --sb-mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;
  --sb-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --sb-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Accents — Precise, Technical, Non-Generic */
  --sb-cyan: #00f2fe;
  --sb-cyan-glow: rgba(0, 242, 254, 0.15);
  --sb-emerald: #10b981;
  --sb-emerald-glow: rgba(16, 185, 129, 0.15);
  --sb-amber: #f59e0b;
  --sb-amber-glow: rgba(245, 158, 11, 0.15);
  --sb-blue: #38bdf8;
  --sb-danger: #ef4444;

  /* Elevation & Shadows */
  --sb-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --sb-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --sb-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.7);
  --sb-glow-cyan: 0 0 30px rgba(0, 242, 254, 0.2);

  /* Layout Constants */
  --sb-max-width: 1240px;
  --sb-radius: 12px;
  --sb-radius-sm: 6px;
  --sb-radius-lg: 18px;
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  background-color: var(--sb-bg);
  overflow-x: clip;
}

body {
  background-color: var(--sb-bg);
  color: var(--sb-text);
  font-family: var(--sb-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography Utility */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--sb-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--sb-text);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p {
  color: var(--sb-text-secondary);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--sb-cyan);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: #fff;
}

code, pre {
  font-family: var(--sb-mono);
  font-size: 0.9em;
}

/* Layout Utilities */
.sb-container {
  width: 100%;
  max-width: var(--sb-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.sb-section {
  padding: 6rem 0;
  position: relative;
}

.sb-section-dark {
  background: radial-gradient(circle at 50% 0%, #0e1422 0%, var(--sb-bg) 70%);
}

.sb-section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3.5rem auto;
}

.sb-section-header h2 {
  margin-bottom: 1rem;
}

.sb-section-desc {
  font-size: 1.15rem;
  color: var(--sb-text-secondary);
  line-height: 1.6;
}

.sb-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sb-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--sb-cyan);
  border: 1px solid rgba(0, 242, 254, 0.25);
  margin-bottom: 1.25rem;
}

.sb-tag.emerald {
  background: rgba(16, 185, 129, 0.1);
  color: var(--sb-emerald);
  border-color: rgba(16, 185, 129, 0.25);
}

.sb-tag.amber {
  background: rgba(245, 158, 11, 0.1);
  color: var(--sb-amber);
  border-color: rgba(245, 158, 11, 0.25);
}

.sb-gradient-text {
  color: var(--sb-cyan);
}

.sb-gradient-amber {
  color: var(--sb-amber);
}

/* Navigation Bar */
.sb-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  background: rgba(7, 9, 14, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sb-border);
  transition: all 0.3s ease;
}

.sb-nav.scrolled {
  padding: 0.65rem 0;
  background: rgba(7, 9, 14, 0.92);
  box-shadow: var(--sb-shadow-md);
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.sb-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.sb-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.sb-nav-brand img {
  height: 38px;
  width: auto;
  display: block;
}

.sb-nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.sb-nav-links a {
  color: var(--sb-text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  padding: 0.25rem 0;
}

.sb-nav-links a:hover,
.sb-nav-links a.active {
  color: #fff;
}

.sb-nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--sb-cyan);
  transition: width 0.2s ease;
}

.sb-nav-links a:hover::after,
.sb-nav-links a.active::after {
  width: 100%;
}

.sb-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sb-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--sb-border);
  color: var(--sb-text);
  font-size: 1.2rem;
  padding: 0.4rem 0.65rem;
  border-radius: var(--sb-radius-sm);
  cursor: pointer;
}

@media (max-width: 1500px) {
  .sb-nav-inner { gap: .75rem; }
  .sb-nav-links { gap: .85rem; }
  .sb-nav-links a { font-size: .82rem; }
  .sb-nav-actions { gap: .5rem; }
  .sb-nav-actions .sb-btn { padding-left: .85rem; padding-right: .85rem; }
  .sb-nav-actions .sb-btn-outline { display: none; }
}

/* Button System */
.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--sb-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.4rem;
  border-radius: var(--sb-radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.sb-btn-primary {
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  color: #041019;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0, 242, 254, 0.3);
}

.sb-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 242, 254, 0.45);
  color: #000;
}

.sb-btn-ultimate {
  background: #7c3aed;
  border-color: #8b5cf6;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.28);
}

.sb-btn-ultimate:hover {
  background: #8b5cf6;
  border-color: #a78bfa;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(124, 58, 237, 0.4);
}

.sb-btn-emerald {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #022013;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.sb-btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.45);
  color: #000;
}

.sb-btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--sb-text);
  border-color: var(--sb-border);
  backdrop-filter: blur(8px);
}

.sb-btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  transform: translateY(-2px);
}

.sb-btn-ghost {
  background: transparent;
  color: var(--sb-text-secondary);
  border-color: transparent;
}

.sb-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.sb-btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

.sb-btn-lg {
  padding: 0.95rem 1.8rem;
  font-size: 1.05rem;
}

.sb-btn-block {
  width: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════ */
.sb-home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 7rem) 0 clamp(4rem, 7vw, 6rem);
  background:
    radial-gradient(circle at 82% 18%, rgba(124, 58, 237, 0.22), transparent 34rem),
    linear-gradient(145deg, #090c13 0%, #0b1220 58%, #11152a 100%);
}

.sb-home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5.5rem);
}

.sb-home-hero-copy h1 {
  max-width: 10ch;
  margin: 0 0 1.35rem;
  font-size: clamp(3.25rem, 6.5vw, 6rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.sb-home-hero-copy > p {
  max-width: 58ch;
  margin: 0 0 1.75rem;
  color: #c2ccdb;
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  line-height: 1.62;
}

.sb-home-editions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.2rem;
  margin-bottom: 1.8rem;
  color: #aab5c7;
  font-size: 0.88rem;
}

.sb-home-editions span { white-space: nowrap; }
.sb-home-editions strong { color: #fff; margin-right: 0.28rem; }

.sb-home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.sb-home-secondary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.2rem;
  margin-top: 1.15rem;
}

.sb-home-secondary-actions a {
  color: #cbd5e1;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(103, 232, 249, 0.45);
  text-underline-offset: 0.3rem;
}

.sb-home-secondary-actions a:hover { color: #fff; }

.sb-home-app-shot {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  background: #0b0e17;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.52);
  transform: perspective(1400px) rotateY(-3deg) rotateX(1deg);
  transform-origin: center;
}

.sb-home-app-shot-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.72rem 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-size: 0.76rem;
  font-weight: 700;
}

.sb-home-app-shot-bar span:last-child { color: #67e8f9; }

.sb-home-app-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.sb-dev-video-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.sb-dev-video-layout video {
  display: block;
  width: 100%;
  border-radius: 16px;
  background: #000;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.sb-dev-video-layout h2 { margin-bottom: 1rem; }

@media (max-width: 980px) {
  .sb-home-hero-grid { grid-template-columns: 1fr; }
  .sb-home-hero-copy h1 { max-width: 12ch; }
  .sb-home-app-shot { transform: none; }
  .sb-dev-video-layout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .sb-home-hero { padding-top: 3.5rem; }
  .sb-home-hero-copy h1 { font-size: clamp(3rem, 15vw, 4.3rem); }
  .sb-home-hero-actions .sb-btn { width: 100%; }
  .sb-home-editions { display: grid; gap: 0.45rem; }
  .sb-home-app-shot-bar { font-size: 0.7rem; }
}

.sb-hero {
  padding-top: 8.5rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% -20%, #152238 0%, #07090e 65%);
}

.sb-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.sb-hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.sb-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.sb-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--sb-cyan);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.sb-hero-title {
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.sb-hero-subtitle {
  font-size: 1.25rem;
  color: var(--sb-text-secondary);
  line-height: 1.6;
  max-width: 780px;
  margin: 0 auto 2.2rem auto;
}

.sb-hero-subtitle strong {
  color: #fff;
}

.sb-hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Interactive Hero Terminal */
.sb-hero-terminal-wrap {
  position: relative;
  max-width: 820px;
  margin: 0 auto 3rem auto;
  border-radius: var(--sb-radius);
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  box-shadow: var(--sb-shadow-lg), var(--sb-glow-cyan);
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.sb-terminal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: rgba(10, 14, 22, 0.9);
  border-bottom: 1px solid var(--sb-border);
}

.sb-terminal-dots {
  display: flex;
  gap: 0.45rem;
}

.sb-terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.sb-terminal-dot.red { background: #ff5f56; }
.sb-terminal-dot.yellow { background: #ffbd2e; }
.sb-terminal-dot.green { background: #27c93f; }

.sb-terminal-title {
  font-family: var(--sb-mono);
  font-size: 0.78rem;
  color: var(--sb-text-muted);
}

.sb-terminal-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--sb-mono);
  font-size: 0.72rem;
  color: var(--sb-emerald);
}

.sb-terminal-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sb-emerald);
  box-shadow: 0 0 8px var(--sb-emerald);
}

.sb-terminal-body {
  padding: 1.4rem 1.6rem;
  font-family: var(--sb-mono);
  font-size: 0.92rem;
  text-align: left;
  line-height: 1.7;
}

.sb-term-prompt-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: #fff;
}

.sb-term-prompt-char {
  color: var(--sb-cyan);
  font-weight: 700;
}

.sb-typewriter-text {
  color: #fff;
  font-weight: 500;
  min-height: 1.5em;
}

.sb-typewriter-cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  background: var(--sb-cyan);
  vertical-align: middle;
  margin-left: 2px;
  animation: sb-blink 1s infinite;
}

@keyframes sb-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.sb-term-output {
  color: var(--sb-text-secondary);
  border-left: 2px solid rgba(0, 242, 254, 0.2);
  padding-left: 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.84rem;
}

.sb-term-badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
}

.sb-term-badge.ok {
  background: rgba(16, 185, 129, 0.15);
  color: var(--sb-emerald);
}

/* Proof Bar / Hero Stats */
.sb-proof-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 1.2rem;
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  backdrop-filter: blur(12px);
}

.sb-proof-item {
  text-align: center;
}

.sb-proof-value {
  display: block;
  font-family: var(--sb-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}

.sb-proof-label {
  display: block;
  font-size: 0.8rem;
  color: var(--sb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* ═══════════════════════════════════════════════════════════════
   THE PROBLEM: COST OF RENTING AI VS SPIRITBOX OWNERSHIP
   ═══════════════════════════════════════════════════════════════ */
.sb-cost-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.sb-cost-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.4rem 1rem;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: transform 0.2s ease;
}

.sb-cost-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.sb-cost-icon {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--sb-text-muted);
}

.sb-cost-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sb-text);
  margin-bottom: 0.35rem;
}

.sb-cost-price {
  font-family: var(--sb-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sb-danger);
}

.sb-cost-price span {
  font-size: 0.75rem;
  color: var(--sb-text-muted);
}

.sb-cost-card.total {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(16, 22, 34, 0.9) 100%);
  border-color: rgba(239, 68, 68, 0.3);
}

.sb-solution-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.12) 0%, rgba(16, 185, 129, 0.08) 100%);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--sb-radius);
  padding: 1.6rem 2rem;
  backdrop-filter: blur(16px);
}

.sb-solution-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
}

.sb-solution-sub {
  color: var(--sb-cyan);
  font-family: var(--sb-mono);
  font-size: 0.95rem;
}

.sb-solution-stat {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--sb-emerald);
  font-family: var(--sb-display);
}

.sb-ownership-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  overflow: hidden;
}

.sb-ownership-copy {
  min-width: 0;
  max-width: 70ch;
}

.sb-ownership-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(0, 242, 254, 0.25);
  white-space: nowrap;
}

.sb-ownership-price strong {
  font-family: var(--sb-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  color: var(--sb-emerald);
}

.sb-ownership-price span {
  margin-top: 0.35rem;
  color: var(--sb-text-secondary);
  font-family: var(--sb-mono);
  font-size: 0.78rem;
}

@media (max-width: 720px) {
  .sb-ownership-banner { grid-template-columns: 1fr; }
  .sb-ownership-price {
    align-items: flex-start;
    padding: 1.1rem 0 0;
    border-left: 0;
    border-top: 1px solid rgba(0, 242, 254, 0.25);
  }
}

/* ═══════════════════════════════════════════════════════════════
   DOCKER CONTAINER ARCHITECTURE (10 CONTAINERS)
   ═══════════════════════════════════════════════════════════════ */
.sb-arch-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .sb-arch-diagram {
    grid-template-columns: 1fr;
  }
}

.sb-arch-zone {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.6rem;
  backdrop-filter: blur(16px);
  position: relative;
}

.sb-arch-zone.brain { border-top: 3px solid var(--sb-cyan); }
.sb-arch-zone.hands { border-top: 3px solid var(--sb-amber); }
.sb-arch-zone.vault { border-top: 3px solid var(--sb-emerald); }

.sb-arch-zone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--sb-border);
}

.sb-arch-zone-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.sb-arch-zone-sub {
  font-family: var(--sb-mono);
  font-size: 0.72rem;
  color: var(--sb-text-muted);
}

.sb-arch-nodes {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.sb-arch-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-sm);
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.sb-arch-node:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.sb-arch-node-name {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--sb-text);
  font-weight: 500;
}

.sb-arch-node-port {
  font-family: var(--sb-mono);
  font-size: 0.72rem;
  color: var(--sb-text-muted);
  background: rgba(0, 0, 0, 0.3);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.sb-arch-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.25rem 1.6rem;
}

.sb-arch-fact {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--sb-text-secondary);
}

.sb-arch-fact i {
  color: var(--sb-cyan);
}

/* ═══════════════════════════════════════════════════════════════
   CAPABILITY THEATER (5 INTERACTIVE SCENES)
   ═══════════════════════════════════════════════════════════════ */
.sb-theater {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  box-shadow: var(--sb-shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.sb-theater-tabs {
  display: flex;
  background: rgba(10, 14, 22, 0.9);
  border-bottom: 1px solid var(--sb-border);
  overflow-x: auto;
  max-width: 100%;
}

.sb-theater-tab {
  flex: 1;
  min-width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1.1rem 1rem;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--sb-text-secondary);
  font-family: var(--sb-sans);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sb-theater-tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.03);
}

.sb-theater-tab.active {
  color: var(--sb-cyan);
  background: rgba(0, 242, 254, 0.06);
  border-bottom-color: var(--sb-cyan);
}

.sb-theater-stage {
  padding: 2.2rem;
}

.sb-scene {
  display: none;
}

.sb-scene.active {
  display: block;
  animation: sb-fade-in 0.35s ease forwards;
}

@keyframes sb-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.sb-scene-prompt {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1rem 1.4rem;
  margin-bottom: 1.6rem;
}

.sb-scene-prompt-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--sb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sb-text);
  font-size: 0.9rem;
}

.sb-scene-prompt-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

.sb-scene-response {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.6rem;
}

.sb-scene-guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.sb-scene-guide-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sb-scene-guide-avatar {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.sb-scene-guide-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.sb-scene-guide-name span {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--sb-text-muted);
}

/* Voice Player Widget */
.sb-voice-player-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--sb-cyan);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sb-voice-player-btn:hover {
  background: rgba(0, 242, 254, 0.2);
  color: #fff;
}

.sb-voice-player-btn.playing {
  background: var(--sb-cyan);
  color: #000;
}

/* Spirit Guides Grid */
.sb-guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.sb-guide-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.sb-guide-intro h3 {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
}

.sb-guide-intro p { margin: 0; }

.sb-guide-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.2rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.sb-guide-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 242, 254, 0.3);
}

.sb-guide-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.sb-guide-portrait {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid rgba(0, 242, 254, 0.22);
  background: #0b1019;
}

.sb-guide-card .sb-voice-player-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
  flex: 0 0 40px;
}

@media (max-width: 640px) {
  .sb-guide-intro { flex-direction: column; }
}

.sb-guide-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sb-guide-card h4 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.sb-guide-card p {
  font-size: 0.82rem;
  line-height: 1.45;
}

/* Sequence of Events Step Flow */
.sb-seq-flow {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.sb-seq-step {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.1rem 1.4rem;
}

.sb-seq-step.active {
  border-color: var(--sb-cyan);
  background: rgba(0, 242, 254, 0.04);
}

.sb-seq-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sb-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sb-cyan);
  flex-shrink: 0;
}

.sb-seq-step.active .sb-seq-num {
  background: var(--sb-cyan);
  color: #000;
}

.sb-seq-content strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.sb-seq-content span {
  font-size: 0.84rem;
  color: var(--sb-text-secondary);
}

/* Mixture of Experts Kanban */
.sb-kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (max-width: 768px) {
  .sb-kanban-board {
    grid-template-columns: 1fr;
  }
}

.sb-kanban-col {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1rem;
}

.sb-kanban-col-head {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sb-kanban-card {
  background: var(--sb-card-solid);
  border: 1px solid var(--sb-border);
  border-left: 3px solid var(--sb-cyan);
  border-radius: var(--sb-radius-sm);
  padding: 0.85rem;
  margin-bottom: 0.75rem;
}

.sb-kanban-card:last-child {
  margin-bottom: 0;
}

.sb-kanban-card strong {
  display: block;
  font-size: 0.88rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.sb-kanban-card span {
  font-size: 0.78rem;
  color: var(--sb-text-secondary);
}

/* ═══════════════════════════════════════════════════════════════
   VRAM RELAY™ VISUALIZER
   ═══════════════════════════════════════════════════════════════ */
.sb-split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 900px) {
  .sb-split-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.sb-vram-box {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 2rem;
  box-shadow: var(--sb-shadow-lg);
  backdrop-filter: blur(16px);
}

.sb-vram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.sb-vram-bar-wrap {
  margin-bottom: 1.5rem;
}

.sb-vram-bar-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--sb-mono);
  font-size: 0.8rem;
  color: var(--sb-text-muted);
  margin-bottom: 0.4rem;
}

.sb-vram-track {
  height: 28px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--sb-radius-sm);
  overflow: hidden;
  display: flex;
  border: 1px solid var(--sb-border);
}

.sb-vram-seg {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sb-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #000;
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  overflow: hidden;
}

.sb-vram-seg.llm { background: var(--sb-cyan); }
.sb-vram-seg.comfy { background: var(--sb-amber); }
.sb-vram-seg.free { background: rgba(255, 255, 255, 0.08); color: var(--sb-text-muted); }

.sb-vram-trigger-action {
  background: rgba(0, 0, 0, 0.4);
  border: 1px dashed var(--sb-border);
  border-radius: var(--sb-radius-sm);
  padding: 0.85rem 1.2rem;
  font-family: var(--sb-mono);
  font-size: 0.85rem;
  color: var(--sb-text);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sb-vram-trigger-action i {
  color: var(--sb-amber);
}

/* ═══════════════════════════════════════════════════════════════
   SECOND BRAIN KNOWLEDGE GRAPH CANVAS
   ═══════════════════════════════════════════════════════════════ */
.sb-brain-container {
  position: relative;
  background: #05070c;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  overflow: hidden;
  box-shadow: var(--sb-shadow-lg);
}

#brain-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 900 / 520;
  max-height: 540px;
  cursor: grab;
}

#brain-canvas:active {
  cursor: grabbing;
}

.sb-brain-toolbar {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}

.sb-brain-stats {
  background: rgba(7, 9, 14, 0.85);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-sm);
  padding: 0.5rem 0.85rem;
  font-family: var(--sb-mono);
  font-size: 0.78rem;
  color: var(--sb-cyan);
  pointer-events: auto;
  backdrop-filter: blur(8px);
}

.sb-brain-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0.85rem;
  background: rgba(10, 14, 22, 0.9);
  border-top: 1px solid var(--sb-border);
  font-size: 0.8rem;
  color: var(--sb-text-secondary);
}

.sb-brain-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sb-brain-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Knowledge Base workflow */
.sb-knowledge-workflow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.sb-knowledge-step {
  position: relative;
  min-width: 0;
  padding: 1.6rem;
  background: linear-gradient(160deg, rgba(15, 23, 38, 0.96), rgba(8, 12, 20, 0.96));
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
}

.sb-knowledge-step > i {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 1.15rem;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--sb-cyan);
  font-size: 1.15rem;
}

.sb-knowledge-step h3 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
}

.sb-knowledge-step p { margin: 0; color: var(--sb-text-secondary); }
.sb-knowledge-step code { color: var(--sb-cyan); overflow-wrap: anywhere; }

.sb-knowledge-number {
  position: absolute;
  top: 1.2rem;
  right: 1.25rem;
  font-family: var(--sb-mono);
  color: var(--sb-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.sb-knowledge-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 1.2rem 1.4rem;
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: var(--sb-radius);
  background: rgba(245, 158, 11, 0.05);
}

.sb-knowledge-footer p { margin: 0; color: var(--sb-text-secondary); }
.sb-knowledge-footer strong { color: var(--sb-amber); }

@media (max-width: 860px) {
  .sb-knowledge-workflow { grid-template-columns: 1fr; }
  .sb-knowledge-footer { align-items: flex-start; flex-direction: column; }
}

/* ═══════════════════════════════════════════════════════════════
   REAL SCREENSHOTS GALLERY & LIGHTBOX
   ═══════════════════════════════════════════════════════════════ */
.sb-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.sb-gallery-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  overflow: hidden;
  backdrop-filter: blur(16px);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.sb-gallery-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 242, 254, 0.15);
}

.sb-gallery-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.sb-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.sb-gallery-card:hover .sb-gallery-thumb img {
  transform: scale(1.04);
}

.sb-gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  color: #fff;
  font-size: 1.4rem;
}

.sb-gallery-card:hover .sb-gallery-overlay {
  opacity: 1;
}

.sb-gallery-info {
  padding: 1.25rem;
  flex-grow: 1;
}

.sb-gallery-info h4 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.sb-gallery-info p {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--sb-text-secondary);
}

/* Lightbox Modal */
.sb-lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(3, 5, 8, 0.92);
  backdrop-filter: blur(24px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.sb-lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.sb-lightbox-content {
  position: relative;
  max-width: 1200px;
  width: 100%;
  text-align: center;
}

.sb-lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--sb-radius);
  border: 1px solid var(--sb-border);
  box-shadow: var(--sb-shadow-lg);
  object-fit: contain;
}

.sb-lightbox-caption {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: #fff;
}

.sb-lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════
   VIDEO SHOWCASE PLACEHOLDERS
   ═══════════════════════════════════════════════════════════════ */
.sb-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.sb-video-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: transform 0.2s ease;
}

.sb-video-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.sb-video-player-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0c101a;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sb-video-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
}

.sb-video-play-btn {
  position: absolute;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sb-cyan) 0%, #0284c7 100%);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  padding-left: 3px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.4);
  transition: transform 0.2s ease;
}

.sb-video-card:hover .sb-video-play-btn {
  transform: scale(1.1);
}

.sb-video-duration {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.75);
  font-family: var(--sb-mono);
  font-size: 0.72rem;
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.sb-video-info {
  padding: 1.25rem;
}

.sb-video-info h4 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.sb-video-info p {
  font-size: 0.85rem;
  color: var(--sb-text-secondary);
}

/* ═══════════════════════════════════════════════════════════════
   PRICING SECTION & CARDS
   ═══════════════════════════════════════════════════════════════ */
.sb-pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

@media (max-width: 760px) {
  .sb-pricing-grid {
    grid-template-columns: 1fr;
  }
}

.sb-pricing-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  padding: 1.8rem 1.5rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(16px);
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
  min-width: 0;
  overflow: hidden;
}

.sb-pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.18);
}

.sb-pricing-card.featured {
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.09) 0%, rgba(16, 22, 34, 0.95) 100%);
  border-color: var(--sb-cyan);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 242, 254, 0.18);
}

.sb-pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  font-family: var(--sb-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--sb-cyan);
  margin-bottom: 0.85rem;
}

.sb-pricing-badge.cyan {
  background: rgba(0, 242, 254, 0.12);
  border-color: rgba(0, 242, 254, 0.35);
  color: var(--sb-cyan);
}

.sb-pricing-badge.amber {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--sb-amber);
}

.sb-pricing-badge.emerald {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--sb-emerald);
}

.sb-pricing-badge.neutral {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--sb-border);
  color: var(--sb-text-muted);
}

.sb-pricing-tier {
  font-family: var(--sb-sans);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.sb-pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--sb-sans);
  font-size: 2.35rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.35rem;
}

.sb-pricing-price span {
  font-family: var(--sb-sans);
  font-size: 0.85rem;
  color: var(--sb-text-muted);
  font-weight: 500;
}

.sb-pricing-desc {
  font-size: 0.85rem;
  color: var(--sb-text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2.6em;
}

.sb-pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.sb-pricing-features li {
  font-size: 0.85rem;
  color: var(--sb-text);
  margin-bottom: 0.65rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  line-height: 1.4;
  min-width: 0;
  overflow-wrap: anywhere;
}

.sb-pricing-features li i {
  color: var(--sb-emerald);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   COMPETITIVE COMPARISON TABLE
   ═══════════════════════════════════════════════════════════════ */
.sb-table-wrap {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  overflow-x: auto;
  max-width: 100%;
  backdrop-filter: blur(16px);
}

.sb-compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.sb-compare-table th,
.sb-compare-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--sb-border);
}

.sb-compare-table th {
  background: rgba(10, 14, 22, 0.9);
  color: var(--sb-text-muted);
  font-family: var(--sb-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sb-compare-table th.highlight,
.sb-compare-table td.highlight {
  background: rgba(0, 242, 254, 0.05);
  font-weight: 600;
}

.sb-compare-table th.highlight {
  color: var(--sb-cyan);
  border-bottom: 2px solid var(--sb-cyan);
}

.sb-icon-yes { color: var(--sb-emerald); font-size: 1.1rem; }
.sb-icon-no { color: rgba(255, 255, 255, 0.15); font-size: 1.1rem; }
.sb-icon-partial { color: var(--sb-amber); font-size: 1.1rem; }

/* ═══════════════════════════════════════════════════════════════
   SOLO FOUNDER SPOTLIGHT
   ═══════════════════════════════════════════════════════════════ */
.sb-founder-banner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  background: linear-gradient(135deg, rgba(16, 22, 34, 0.9) 0%, rgba(13, 27, 42, 0.95) 100%);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(16px);
  align-items: center;
}

@media (max-width: 850px) {
  .sb-founder-banner {
    grid-template-columns: 1fr;
    padding: 1.6rem;
  }
}

.sb-founder-quote {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.6;
  color: #fff;
  margin-bottom: 1.25rem;
}

.sb-founder-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sb-founder-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 2px solid var(--sb-cyan);
  background: #141c2c;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--sb-cyan);
}

/* ═══════════════════════════════════════════════════════════════
   ACCORDION FAQ
   ═══════════════════════════════════════════════════════════════ */
.sb-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 820px;
  margin: 0 auto;
}

.sb-faq-item {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.sb-faq-summary {
  padding: 1.2rem 1.4rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s ease;
}

.sb-faq-summary::-webkit-details-marker {
  display: none;
}

.sb-faq-summary:hover {
  background: rgba(255, 255, 255, 0.03);
}

.sb-faq-summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--sb-cyan);
  font-family: var(--sb-mono);
  transition: transform 0.2s ease;
}

.sb-faq-item[open] .sb-faq-summary::after {
  content: '−';
}

.sb-faq-content {
  padding: 0 1.4rem 1.4rem 1.4rem;
  color: var(--sb-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.sb-footer {
  padding: 5rem 0 2.5rem 0;
  background: #05060a;
  border-top: 1px solid var(--sb-border);
}

.sb-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 900px) {
  .sb-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .sb-footer-grid {
    grid-template-columns: 1fr;
  }
}

.sb-footer-brand p {
  font-size: 0.9rem;
  margin-top: 0.85rem;
  max-width: 320px;
}

.sb-footer-col h4 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 1.25rem;
}

.sb-footer-col ul {
  list-style: none;
}

.sb-footer-col ul li {
  margin-bottom: 0.65rem;
}

.sb-footer-col ul li a {
  color: var(--sb-text-secondary);
  font-size: 0.88rem;
}

.sb-footer-col ul li a:hover {
  color: var(--sb-cyan);
}

.sb-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--sb-border);
  font-size: 0.82rem;
  color: var(--sb-text-muted);
}

/* Responsive Mobile Navigation Drawer */
.sb-mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(7, 9, 14, 0.95);
  backdrop-filter: blur(20px);
  padding: 6rem 2rem 2rem 2rem;
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}

.sb-mobile-drawer.active {
  display: flex;
}

/* ═══════════════════════════════════════════════════════════════
   FOUNDER, PORTFOLIO & DEV JOURNEY DESIGN EXTENSIONS
   ═══════════════════════════════════════════════════════════════ */

/* Founder Hero & Stat Grid */
.sb-founder-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

@media (max-width: 960px) {
  .sb-founder-hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.sb-founder-avatar-wrap {
  position: relative;
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--sb-shadow-lg), 0 0 40px rgba(0, 242, 254, 0.08);
  backdrop-filter: blur(20px);
}

.sb-founder-img {
  width: 100%;
  border-radius: var(--sb-radius);
  object-fit: cover;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.sb-founder-avatar-badge {
  position: absolute;
  bottom: 2.5rem;
  left: 2.5rem;
  right: 2.5rem;
  background: rgba(7, 9, 14, 0.88);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 0.85rem 1.2rem;
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.sb-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin: 3rem 0;
}

@media (max-width: 900px) {
  .sb-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .sb-stat-grid {
    grid-template-columns: 1fr;
  }
}

.sb-stat-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.6rem;
  backdrop-filter: blur(16px);
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.sb-stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 242, 254, 0.3);
}

.sb-stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.35rem;
  font-family: var(--sb-sans);
}

.sb-stat-label {
  font-size: 0.82rem;
  font-family: var(--sb-mono);
  color: var(--sb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Chapter Narrative & Manifesto */
.sb-chapter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin: 2.5rem 0;
}

@media (max-width: 860px) {
  .sb-chapter-grid {
    grid-template-columns: 1fr;
  }
}

.sb-chapter-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 2rem;
  backdrop-filter: blur(16px);
  position: relative;
  transition: border-color 0.2s ease;
}

.sb-chapter-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.sb-chapter-num {
  font-family: var(--sb-mono);
  font-size: 0.75rem;
  color: var(--sb-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sb-chapter-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

/* Engineering Arsenal & Skill Matrix */
.sb-arsenal-category {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 1.8rem;
  backdrop-filter: blur(16px);
  margin-bottom: 1.5rem;
}

.sb-arsenal-cat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--sb-border);
}

.sb-arsenal-cat-head h3 {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sb-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.sb-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sb-border);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
  font-family: var(--sb-mono);
  color: var(--sb-text);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all 0.2s ease;
}

.sb-chip:hover {
  background: rgba(0, 242, 254, 0.12);
  border-color: rgba(0, 242, 254, 0.4);
  color: var(--sb-cyan);
  transform: translateY(-1px);
}

.sb-chip i {
  color: var(--sb-cyan);
}

.sb-chip.hot {
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.08);
  color: #fbbf24;
}

.sb-chip.hot i {
  color: var(--sb-amber);
}

/* Open Sauce Showcase Banner */
.sb-sauce-banner {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.12) 0%, rgba(0, 242, 254, 0.08) 50%, rgba(16, 22, 34, 0.95) 100%);
  border: 1px solid rgba(236, 72, 153, 0.35);
  border-radius: var(--sb-radius-lg);
  padding: 2.5rem;
  margin: 3.5rem 0;
  backdrop-filter: blur(20px);
}

.sb-sauce-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 860px) {
  .sb-sauce-grid {
    grid-template-columns: 1fr;
  }
}

.sb-sauce-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.sb-sauce-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--sb-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.2s ease;
}

.sb-sauce-gallery img:hover {
  transform: scale(1.05);
  border-color: var(--sb-cyan);
}

/* Portfolio Filters & Cards */
.sb-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.sb-filter-btn {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: 999px;
  padding: 0.5rem 1.25rem;
  font-family: var(--sb-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--sb-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sb-filter-btn:hover,
.sb-filter-btn.active {
  background: rgba(0, 242, 254, 0.12);
  border-color: var(--sb-cyan);
  color: var(--sb-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.2);
}

.sb-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

@media (max-width: 600px) {
  .sb-portfolio-grid {
    grid-template-columns: 1fr;
  }
}

.sb-project-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(16px);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.sb-project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 242, 254, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 242, 254, 0.1);
}

.sb-project-card.featured-project {
  border-color: rgba(0, 242, 254, 0.5);
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.08) 0%, rgba(16, 22, 34, 0.95) 100%);
}

.sb-project-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.sb-project-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--sb-radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--sb-cyan);
  flex-shrink: 0;
}

.sb-project-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.sb-project-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--sb-text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.sb-project-specs {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--sb-radius-sm);
  padding: 0.85rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  font-family: var(--sb-mono);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sb-project-spec-row {
  display: flex;
  justify-content: space-between;
  color: var(--sb-text-muted);
}

.sb-project-spec-row span:last-child {
  color: var(--sb-text);
  font-weight: 600;
}

.sb-project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--sb-border);
}

.sb-project-visual {
  display: block;
  overflow: hidden;
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--sb-radius-sm);
  background: #030712;
}

.sb-project-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.sb-project-visual:hover,
.sb-project-visual:focus-visible {
  border-color: rgba(0, 242, 254, 0.65);
}

/* ASCII / Visual Terminal for NetCrawl */
.sb-terminal-art {
  background: #05070c;
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--sb-radius-sm);
  padding: 1rem;
  font-family: var(--sb-mono);
  font-size: 0.72rem;
  line-height: 1.3;
  color: var(--sb-cyan);
  overflow-x: auto;
  margin: 1rem 0;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* Dev Journey Timeline */
.sb-timeline {
  position: relative;
  max-width: 900px;
  margin: 3rem auto 0 auto;
  padding-left: 2.5rem;
  border-left: 2px solid rgba(0, 242, 254, 0.25);
}

.sb-timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
}

.sb-timeline-item:last-child {
  margin-bottom: 0;
}

.sb-timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 0;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sb-bg);
  border: 3px solid var(--sb-cyan);
  box-shadow: 0 0 16px var(--sb-cyan);
}

.sb-timeline-dot.amber {
  border-color: var(--sb-amber);
  box-shadow: 0 0 16px var(--sb-amber);
}

.sb-timeline-dot.emerald {
  border-color: var(--sb-emerald);
  box-shadow: 0 0 16px var(--sb-emerald);
}

.sb-timeline-card {
  background: var(--sb-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-lg);
  padding: 2.2rem;
  backdrop-filter: blur(16px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.sb-timeline-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.sb-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.sb-timeline-date {
  font-family: var(--sb-mono);
  font-size: 0.82rem;
  color: var(--sb-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.sb-code-snippet {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-sm);
  padding: 1rem 1.25rem;
  font-family: var(--sb-mono);
  font-size: 0.82rem;
  color: #a5f3fc;
  margin: 1.25rem 0;
  line-height: 1.6;
  overflow-x: auto;
}

.sb-inspiration-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--sb-border);
}

.sb-inspiration-list strong {
  flex-basis: 100%;
  color: #fff;
  font-size: 0.9rem;
}

.sb-inspiration-list a {
  display: inline-flex;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--sb-border);
  border-radius: 9px;
  color: #cbd5e1;
  font-size: 0.8rem;
  font-weight: 700;
}

.sb-inspiration-list a:hover {
  border-color: rgba(103, 232, 249, 0.5);
  color: #fff;
}

.sb-mobile-drawer a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--sb-text);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--sb-border);
}

@media (max-width: 860px) {
  .sb-nav-links {
    display: none;
  }
  .sb-nav-toggle {
    display: block;
  }
}