:root {
  --bg: #0B0B0E;
  --bg-2: #111116;
  --bg-panel: #0E0E13;
  --bg-card: #141419;
  --fg: #F0EDE6;
  --fg-dim: rgba(240, 237, 230, 0.45);
  --fg-muted: rgba(240, 237, 230, 0.25);
  --accent: #E8A83C;
  --accent-dim: rgba(232, 168, 60, 0.15);
  --accent-glow: rgba(232, 168, 60, 0.08);
  --border: rgba(240, 237, 230, 0.07);
  --border-mid: rgba(240, 237, 230, 0.12);
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Instrument Sans', system-ui, sans-serif;
  --radius: 3px;
  --radius-md: 6px;
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* BASE */
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* SECTION TAGS */
.section-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11, 11, 14, 0.8);
}

.nav-brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 4px 7px;
  border-radius: var(--radius);
  line-height: 1;
}

.brand-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg);
}

.nav-meta {
  font-size: 12px;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-sep { color: var(--fg-muted); }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 120px 48px 80px;
  position: relative;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 40% at 75% 50%, rgba(232, 168, 60, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(232, 168, 60, 0.02) 0%, transparent 60%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-tag::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(52px, 6vw, 88px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 28px;
}

.hl-line { display: block; }
.hl-italic {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-dim);
  max-width: 420px;
  line-height: 1.65;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat { display: flex; flex-direction: column; gap: 2px; }

.stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-style: italic;
  color: var(--fg);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}

.stat-div {
  width: 1px;
  height: 40px;
  background: var(--border-mid);
}

/* BRAND GRID */
.hero-right {
  position: relative;
}

.brand-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.brand-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
  position: relative;
  animation: brandFadeIn 0.5s ease both;
  animation-delay: calc(var(--i) * 0.08s);
}

@keyframes brandFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.brand-card:hover {
  border-color: var(--border-mid);
  background: var(--bg-card);
}

.brand-card--ghost {
  opacity: 0.4;
  border-style: dashed;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border: 1px solid rgba(232, 168, 60, 0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bi {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.ghost-icon { color: var(--fg-muted); }

.brand-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.brand-name-card {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-platform {
  font-size: 10px;
  color: var(--fg-dim);
}

.brand-badge {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 20px;
  background: rgba(232, 168, 60, 0.12);
  color: var(--accent);
  border: 1px solid rgba(232, 168, 60, 0.2);
  flex-shrink: 0;
}

.brand-card--ghost .brand-badge {
  display: none;
}

/* SCROLL INDICATOR */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--fg-muted);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* WHAT SECTION */
.what {
  background: var(--bg-2);
  padding: 120px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.what-inner { max-width: 1400px; margin: 0 auto; }

.what-header { margin-bottom: 80px; }

.what-headline {
  font-family: var(--font-serif);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.08;
  color: var(--fg);
}

.what-headline em { font-style: italic; color: var(--accent); }

.what-body {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.what-text {
  font-size: 17px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}

.what-text em { color: var(--fg); font-style: italic; }

/* SCHEMA */
.what-schema {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.schema-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.schema-step:first-child { border-top: 1px solid var(--border); }

.schema-step--accent .schema-num { color: var(--accent); }

.schema-num {
  font-family: var(--font-serif);
  font-size: 28px;
  font-style: italic;
  color: var(--fg-muted);
  line-height: 1;
  padding-top: 4px;
}

.schema-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}

.schema-content p {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
}

.schema-arrow {
  width: 1px;
  height: 16px;
  background: var(--border-mid);
  margin-left: 28px;
}

/* PORTFOLIO */
.portfolio {
  background: var(--bg);
  padding: 120px 48px;
}

.portfolio-inner { max-width: 1400px; margin: 0 auto; }

.portfolio-header { margin-bottom: 64px; }

.portfolio-headline {
  font-family: var(--font-serif);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.08;
  color: var(--fg);
}

.portfolio-headline em { font-style: italic; color: var(--accent); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 56px;
}

.portfolio-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s ease;
}

.portfolio-card:hover {
  border-color: var(--border-mid);
  background: var(--bg-card);
}

.portfolio-card--more {
  border-style: dashed;
  opacity: 0.6;
}

.pc-icon {
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
  color: var(--accent);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border: 1px solid rgba(232, 168, 60, 0.2);
  border-radius: var(--radius);
}

.pc-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
}

.pc-desc {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.6;
  flex: 1;
}

.pc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.pc-platform { font-size: 11px; color: var(--fg-dim); }

.pc-cpm {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
}

/* CPM COMPARE */
.portfolio-compare { margin-top: 0; }

.compare-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.compare-bar {
  display: flex;
  border-radius: var(--radius);
  overflow: hidden;
  height: 44px;
  gap: 2px;
  margin-bottom: 16px;
}

.cb-segment {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  background: var(--bg-card);
  border-radius: var(--radius);
  min-width: 0;
}

.cb-segment span:first-child {
  font-size: 11px;
  color: var(--fg);
  font-weight: 500;
}

.cb-segment span:last-child {
  font-size: 10px;
  color: var(--fg-dim);
  font-weight: 600;
}

.cb-high { background: rgba(232, 168, 60, 0.15); }
.cb-high span { color: var(--accent); }
.cb-high-mid { background: rgba(232, 168, 60, 0.1); }
.cb-mid { background: rgba(240, 237, 230, 0.06); }
.cb-low { background: rgba(240, 237, 230, 0.04); }

.compare-note {
  font-size: 13px;
  color: var(--fg-muted);
  font-style: italic;
}

/* STACK */
.stack {
  background: var(--bg-2);
  padding: 120px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stack-inner { max-width: 1400px; margin: 0 auto; }

.stack-header { margin-bottom: 64px; }

.stack-headline {
  font-family: var(--font-serif);
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.08;
  color: var(--fg);
}

.stack-headline em { font-style: italic; color: var(--accent); }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 48px;
}

.stack-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
}

.sc-category {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.sc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sc-list li {
  font-size: 13px;
  color: var(--fg-dim);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}

.sc-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* COST BAR */
.stack-cost {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 36px;
  justify-content: space-between;
}

.cost-item { display: flex; flex-direction: column; gap: 4px; }

.cost-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}

.cost-val {
  font-family: var(--font-serif);
  font-size: 28px;
  font-style: italic;
  color: var(--accent);
}

.cost-divider {
  width: 1px;
  height: 48px;
  background: var(--border-mid);
  flex-shrink: 0;
}

/* MANIFESTO */
.manifesto {
  background: var(--bg);
  padding: 120px 48px;
}

.manifesto-inner { max-width: 1400px; margin: 0 auto; }

.manifesto-pull {
  margin-bottom: 80px;
  padding: 0 0 64px;
  border-bottom: 1px solid var(--border);
}

.manifesto-pull blockquote {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 38px);
  font-style: italic;
  line-height: 1.4;
  color: var(--fg);
  max-width: 900px;
}

.manifesto-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.mb-col h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.mb-col p {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.7;
}

/* CLOSING */
.closing {
  background: var(--bg-2);
  padding: 160px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner { max-width: 900px; margin: 0 auto; }

.closing-headline {
  font-family: var(--font-serif);
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.ch-offset { font-style: italic; color: var(--accent); }

.closing-sub {
  font-size: 18px;
  color: var(--fg-dim);
  line-height: 1.65;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.closing-creds {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 12px;
  color: var(--fg-muted);
}

.cc-sep { color: var(--border-mid); }

/* FOOTER */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 28px 48px;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-dim);
}

.brand-mark-sm {
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--accent);
}

.footer-copy {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--fg-muted);
}

.f-sep { color: var(--border-mid); }

/* RESPONSIVE */
@media (max-width: 1100px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .manifesto-body { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .what-body { grid-template-columns: 1fr; gap: 40px; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .closing { padding: 100px 24px; }
  .what, .portfolio, .stack, .manifesto { padding: 80px 24px; }
}

@media (max-width: 600px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .nav-meta { display: none; }
  .footer-inner { flex-direction: column; gap: 12px; }
}