/* ActTrader homepage v3 — spine + seven products */

.v3-page {
  font-family: 'Inter', sans-serif;
  background: #0a0604;
  color: #D8CBBA;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  --bg: #0a0604;
  --bg-soft: #0f0a07;
  --bg-card: #16100b;
  --bg-elev: #1d150e;
  --bg-deep: #060403;
  --copper: #C97B4A;
  --copper-bright: #E89A5F;
  --copper-pale: #F0B989;
  --copper-deep: #8C5530;
  --copper-dark: #4a2e1a;
  --cream: #F5EEE4;
  --text: #D8CBBA;
  --text-dim: #9C8B79;
  --text-mute: #6B5C4D;
  --line: rgba(201, 123, 74, 0.12);
  --line-strong: rgba(201, 123, 74, 0.26);
  --green: #6FC58A;
  --red: #D9694A;
  --grad-text: linear-gradient(135deg, #F0B989 0%, #D98B57 55%, #8C5530 100%);
  --spine-x: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fg: #f0e8db;
  --fg-dim: #998677;
  --brand: #C97B4A;
  --grad-brand: linear-gradient(135deg, #F0B989 0%, #C97B4A 50%, #8C5530 100%);
}

.v3-page::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.v3-page a { color: inherit; text-decoration: none; }
.v3-page .mono { font-family: 'JetBrains Mono', monospace; }
.v3-page .serif { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; }

/* v3 preview ribbon */
.v3-page .v3-ribbon {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 7px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(6, 4, 3, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.v3-page .v3-ribbon strong { color: var(--copper-pale); font-weight: 500; }
.v3-page .v3-ribbon a { color: var(--copper); transition: color 0.2s; }
.v3-page .v3-ribbon a:hover { color: var(--copper-pale); }
.v3-page .v3-ribbon .sep { opacity: 0.35; }
.v3-page header nav { top: 34px; }

/* spine */
.v3-page #spine {
  position: fixed;
  top: 0;
  bottom: 0;
  left: var(--spine-x);
  width: 1px;
  background: var(--line);
  z-index: 5;
  pointer-events: none;
}
.v3-page #spine .progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--copper-deep), var(--copper));
  height: 0;
}
.v3-page #spine .pulse {
  position: absolute;
  left: -3.5px;
  top: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper-pale);
  box-shadow: 0 0 14px rgba(201, 123, 74, 0.8), 0 0 40px rgba(201, 123, 74, 0.4);
}

.v3-page .page { position: relative; z-index: 3; }
.v3-page .col {
  padding-left: calc(var(--spine-x) + 56px);
  padding-right: 64px;
  max-width: 1320px;
  margin: 0 auto;
}

/* hero */
.v3-page .hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 120px;
  padding-bottom: 60px;
}
.v3-page .hero .kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 46px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.v3-page .hero .kicker::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--copper);
}
.v3-page .hero .top-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.55fr;
  gap: 60px;
  align-items: end;
}
.v3-page .hero h1 {
  font-size: clamp(46px, 7.6vw, 116px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  color: var(--cream);
}
.v3-page .hero h1 .ital {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.v3-page .hero .meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-strong);
}
.v3-page .hero .meta span {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
}
.v3-page .hero .meta b { color: var(--copper-pale); font-weight: 500; }
.v3-page .hero .sub-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 58px;
  align-items: start;
}
.v3-page .hero .sub {
  font-size: 16.5px;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 52ch;
}
.v3-page .hero .sub b { color: var(--text); font-weight: 600; }
.v3-page .hero .cta-row {
  margin-top: 54px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.v3-page .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 2px;
  background: var(--cream);
  color: var(--bg-deep);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  transition: all 0.3s var(--ease);
}
.v3-page .btn:hover {
  background: var(--copper-pale);
  transform: translateY(-2px);
}
.v3-page .btn.ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line-strong);
}
.v3-page .btn.ghost:hover {
  border-color: var(--copper);
  color: var(--copper-pale);
  background: transparent;
}
.v3-page .hero .scroll-cue {
  position: absolute;
  bottom: 36px;
  left: calc(var(--spine-x) + 56px);
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-mute);
  display: flex;
  align-items: center;
  gap: 12px;
}
.v3-page .hero .scroll-cue::after {
  content: '';
  width: 1px;
  height: 32px;
  background: linear-gradient(var(--copper), transparent);
  animation: v3-cue 2s ease-in-out infinite;
}
@keyframes v3-cue {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* chapters */
.v3-page .chapter {
  position: relative;
  padding: 150px 0 130px;
  overflow: hidden;
  scroll-margin-top: 120px;
}
.v3-page .chapter + .chapter { border-top: 1px solid rgba(201, 123, 74, 0.06); }
.v3-page .ch-numeral {
  position: absolute;
  top: 34px;
  right: -40px;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(180px, 26vw, 340px);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 123, 74, 0.16);
  pointer-events: none;
  user-select: none;
  z-index: 1;
}
.v3-page .chapter.alt .ch-numeral { right: auto; left: -30px; }
.v3-page .ch-in { position: relative; z-index: 3; }
.v3-page .ch-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.v3-page .ch-kicker::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--copper);
}
.v3-page .ch-kicker .st {
  margin-left: 8px;
  color: var(--text-mute);
  letter-spacing: 0.18em;
  border: 1px solid var(--line);
  padding: 3px 9px;
  border-radius: 2px;
}
.v3-page .ch-kicker .st.live {
  color: var(--green);
  border-color: rgba(111, 197, 138, 0.3);
}
.v3-page .ch-title {
  font-size: clamp(34px, 5vw, 68px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--cream);
  max-width: 17ch;
  margin-bottom: 22px;
}
.v3-page .ch-phrase {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(22px, 2.8vw, 34px);
  color: var(--copper-pale);
  margin-bottom: 34px;
  line-height: 1.15;
}
.v3-page .ch-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 70px;
  align-items: center;
}
.v3-page .chapter.alt .ch-grid { grid-template-columns: 1.08fr 0.92fr; }
.v3-page .chapter.alt .ch-copy { order: 2; }
.v3-page .chapter.alt .ch-vis { order: 1; }
.v3-page .ch-body {
  font-size: 15.5px;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 46ch;
  margin-bottom: 28px;
}
.v3-page .ch-body b { color: var(--text); font-weight: 600; }
.v3-page .ch-specs {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.v3-page .spec {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.v3-page .spec .k { color: var(--text-dim); }
.v3-page .spec .v {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--copper-pale);
  text-transform: uppercase;
  text-align: right;
}

.v3-page .ch-explore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper-pale);
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), gap 0.25s var(--ease);
}
.v3-page .ch-explore svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
}
.v3-page .ch-explore:hover {
  color: var(--cream);
  border-color: var(--copper);
}
.v3-page .ch-explore:hover svg { transform: translateX(4px); }

.v3-page .deep { margin-top: 70px; }
.v3-page .deep .deep-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.v3-page .deep .deep-k b { color: var(--copper); font-weight: 500; }
.v3-page .deep .deep-k::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}
.v3-page .deep-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 44px;
}
.v3-page .dcell {
  padding: 20px 2px 18px;
  border-bottom: 1px solid var(--line);
}
.v3-page .dcell .di {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--copper);
  text-transform: uppercase;
}
.v3-page .dcell h5 {
  font-size: 14.5px;
  color: var(--cream);
  font-weight: 600;
  margin: 7px 0 5px;
}
.v3-page .dcell p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* instruments */
.v3-page .inst { width: 100%; }
.v3-page .inst svg { width: 100%; height: auto; display: block; }
.v3-page .inst .frame { fill: none; stroke: var(--line); stroke-width: 1; }
.v3-page .inst .grid-l { stroke: rgba(201, 123, 74, 0.07); stroke-width: 1; }
.v3-page .inst .etch { stroke: var(--text-mute); stroke-width: 1; fill: none; opacity: 0.55; }
.v3-page .inst .etch-strong { stroke: var(--text-dim); stroke-width: 1.2; fill: none; }
.v3-page .inst .hot { stroke: var(--copper-bright); fill: none; }
.v3-page .inst .hotfill { fill: var(--copper); }
.v3-page .inst .lbl {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  fill: var(--text-mute);
  text-transform: uppercase;
}
.v3-page .inst .lbl-hot {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  fill: var(--copper-pale);
  text-transform: uppercase;
}
.v3-page .inst .val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  fill: var(--cream);
}
.v3-page .inst .caption {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  margin-top: 14px;
  padding-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  flex-wrap: wrap;
  gap: 8px;
}
.v3-page .inst .caption b { color: var(--copper-pale); font-weight: 500; }

.v3-page .draw {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  transition: stroke-dashoffset 1.6s var(--ease);
}
.v3-page .chapter.seen .draw { stroke-dashoffset: 0; }
.v3-page .fadein { opacity: 0; transition: opacity 0.9s ease 0.7s; }
.v3-page .chapter.seen .fadein { opacity: 1; }

@keyframes v3-sweep {
  0%, 100% { transform: rotate(-44deg); }
  50% { transform: rotate(34deg); }
}
.v3-page .needle {
  transform-origin: 200px 196px;
  animation: v3-sweep 7s var(--ease) infinite;
}

.v3-page .sheen {
  background: linear-gradient(110deg, #8C5530 18%, #F0B989 42%, #E89A5F 50%, #8C5530 78%);
  background-size: 240% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: v3-sheen 6.5s linear infinite;
}
@keyframes v3-sheen {
  0% { background-position: 120% 0; }
  100% { background-position: -120% 0; }
}

/* foundation */
.v3-page .found {
  position: relative;
  padding: 160px 0 140px;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  scroll-margin-top: 120px;
}
.v3-page .found .big-line {
  font-size: clamp(34px, 5.4vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  color: var(--cream);
  max-width: 18ch;
  margin-bottom: 24px;
}
.v3-page .found .big-line .serif { color: var(--copper-pale); }
.v3-page .found .lede {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 56ch;
  line-height: 1.75;
  margin-bottom: 64px;
}
.v3-page .ledger { border-top: 1px solid var(--line-strong); }
.v3-page .ledger-row {
  display: grid;
  grid-template-columns: 60px 1fr 1.6fr auto;
  gap: 26px;
  align-items: baseline;
  padding: 20px 2px;
  border-bottom: 1px solid var(--line);
  transition: all 0.3s var(--ease);
}
.v3-page .ledger-row:hover {
  padding-left: 16px;
  background: rgba(201, 123, 74, 0.025);
}
.v3-page .ledger-row .idx {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-mute);
  letter-spacing: 0.1em;
}
.v3-page .ledger-row .nm { font-size: 16.5px; font-weight: 600; color: var(--cream); }
.v3-page .ledger-row .ds { font-size: 13.5px; color: var(--text-dim); line-height: 1.55; }
.v3-page .ledger-row .tg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
}

/* heritage */
.v3-page .her { padding: 160px 0 140px; position: relative; }
.v3-page .her .y2000 {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(120px, 20vw, 260px);
  line-height: 0.85;
  margin-bottom: 30px;
}
.v3-page .her .h-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: start;
}
.v3-page .her p {
  font-size: 15.5px;
  color: var(--text-dim);
  line-height: 1.8;
  max-width: 48ch;
  margin-bottom: 16px;
}
.v3-page .her .facts { border-top: 1px solid var(--line-strong); }
.v3-page .her .fact {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 17px 2px;
  border-bottom: 1px solid var(--line);
  gap: 16px;
}
.v3-page .her .fact .k { font-size: 14px; color: var(--text-dim); }
.v3-page .her .fact .v {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 26px;
  color: var(--cream);
  flex-shrink: 0;
}

/* close */
.v3-page .close {
  padding: 170px 0 130px;
  text-align: left;
  border-top: 1px solid var(--line);
  position: relative;
  scroll-margin-top: 120px;
}
.v3-page .close .ck {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.v3-page .close .ck::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--copper);
}
.v3-page .close .line {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(48px, 9vw, 132px);
  line-height: 0.98;
  color: var(--cream);
  max-width: 11ch;
  margin-bottom: 50px;
}
.v3-page .close .line b {
  font-weight: 400;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.v3-page .close .row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.v3-page .close .micro {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 54px;
}

/* reveal */
.v3-page .rv {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.v3-page .rv.in { opacity: 1; transform: none; }

/* mobile */
@media (max-width: 1500px) {
  .v3-page .col { margin: 0; }
}

@media (max-width: 920px) {
  .v3-page .ch-grid,
  .v3-page .chapter.alt .ch-grid { grid-template-columns: 1fr; gap: 44px; }
  .v3-page .chapter.alt .ch-copy { order: 1; }
  .v3-page .chapter.alt .ch-vis { order: 2; }
  .v3-page .deep-grid { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 880px) {
  .v3-page { --spine-x: 26px; }
  .v3-page .col {
    padding-left: calc(var(--spine-x) + 26px);
    padding-right: 24px;
  }
  .v3-page .hero .top-grid { grid-template-columns: 1fr; gap: 36px; }
  .v3-page .hero .sub-row { grid-template-columns: 1fr; gap: 34px; }
  .v3-page .hero .scroll-cue { left: calc(var(--spine-x) + 26px); }
  .v3-page .ch-numeral { font-size: 160px; right: -30px; }
  .v3-page .her .h-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 820px) {
  .v3-page .ledger-row {
    grid-template-columns: 44px 1fr;
    gap: 8px 18px;
  }
  .v3-page .ledger-row .ds,
  .v3-page .ledger-row .tg { grid-column: 2; }
}

@media (max-width: 768px) {
  .v3-page .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 80px;
  }
  .v3-page .chapter { padding: 100px 0 90px; }
  .v3-page .found { padding: 100px 0 90px; }
  .v3-page .her { padding: 100px 0 90px; }
  .v3-page .close { padding: 120px 0 90px; }
  .v3-page .close .row { flex-direction: column; align-items: flex-start; }
  .v3-page .hero .cta-row { margin-top: 0; }
}

@media (max-width: 540px) {
  .v3-page .v3-ribbon { font-size: 9px; gap: 10px; padding: 6px 12px; }
  .v3-page .v3-ribbon .sep { display: none; }
  .v3-page .spec { flex-direction: column; gap: 4px; }
  .v3-page .spec .v { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .v3-page .needle { animation: none; }
  .v3-page .sheen { animation: none; }
  .v3-page .hero .scroll-cue::after { animation: none; }
  .v3-page .rv { opacity: 1; transform: none; transition: none; }
  .v3-page .draw { stroke-dashoffset: 0; transition: none; }
  .v3-page .fadein { opacity: 1; transition: none; }
}