/* ============================================================
   ValueTCG Terminal — landing page
   Tokens mirror DESIGN.md (Warm Ink + Tarnished Teal, dark-only).
   Identity-preserving: system sans + system mono, no display face.
   ============================================================ */

:root {
  /* Warm-charcoal ink ramp */
  --ink-950: #0d0c0a;
  --ink-900: #13110e;
  --ink-850: #181613;
  --ink-800: #211e1a;
  --ink-700: #2a2723;
  --ink-600: #322f2a;
  --ink-500: #4a4640;
  --ink-400: #75706a;
  --ink-300: #9a958e;
  --ink-200: #c4bfb6;
  --ink-100: #dedacf;
  --ink-50:  #f4f0e5;

  /* Tarnished teal */
  --teal-700: #173a36;
  --teal-500: #3ec5b3;
  --teal-400: #6ad7c8;

  /* State */
  --gain: #5fce8a;
  --loss: #ed6a6a;
  --warn: #e5b964;

  /* Type */
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-pill: 999px;

  /* Shadow (Ink 950, never pure black) */
  --shadow-sm: 0 1px 2px rgba(13, 12, 10, 0.35);
  --shadow-md: 0 4px 12px rgba(13, 12, 10, 0.4);
  --shadow-lg: 0 12px 28px rgba(13, 12, 10, 0.5);

  /* Layout */
  --maxw: 1140px;
  --gutter: clamp(20px, 5vw, 56px);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink-900);
  color: var(--ink-200);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ul, figure, blockquote { margin: 0; }
ul { list-style: none; padding: 0; }
a { color: var(--teal-500); text-decoration: none; }
a:hover { color: var(--teal-400); }
img { max-width: 100%; display: block; }
.mono { font-family: var(--mono); font-feature-settings: "tnum" 1; font-variant-numeric: tabular-nums; }

:focus-visible {
  outline: 2px solid var(--teal-500);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.up { color: var(--gain); }
.down { color: var(--loss); }

/* ---------- Ticker tape ---------- */
.ticker {
  overflow: hidden;
  border-bottom: 1px solid var(--ink-600);
  background: var(--ink-950);
  white-space: nowrap;
}
.ticker__track {
  display: inline-flex;
  will-change: transform;
  animation: ticker 60s linear infinite;
}
.ticker__set { display: inline-flex; }
.ticker__item {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-300);
  padding: 7px 0;
  margin-right: 28px;
  display: inline-flex;
  gap: 6px;
  align-items: baseline;
}
.ticker__item .t-meta { color: var(--ink-500); }
.ticker__item .mono { color: var(--ink-100); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--gutter);
  background: color-mix(in srgb, var(--ink-900) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ink-600);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-50);
  font-weight: 700;
  letter-spacing: -0.2px;
}
.wordmark:hover { color: var(--ink-50); }
.wordmark__glyph {
  width: 14px; height: 14px;
  border-radius: 3px;
  background: var(--teal-500);
  box-shadow: 0 0 0 3px var(--teal-700);
  flex: none;
}
.wordmark__sub { color: var(--ink-300); font-weight: 600; }
.site-nav { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 28px); }
.site-nav a { color: var(--ink-200); font-size: 14px; font-weight: 500; }
.site-nav a:hover { color: var(--ink-50); }
.site-nav .nav-cta {
  color: var(--teal-500);
  border: 1px solid var(--ink-600);
  padding: 7px 14px;
  border-radius: var(--r-md);
}
.site-nav .nav-cta:hover { border-color: var(--ink-500); color: var(--teal-400); }
@media (max-width: 640px) {
  .site-nav a:not(.nav-cta) { display: none; }
}

/* ---------- Section scaffolding ---------- */
section { padding-inline: var(--gutter); }
.section-head { max-width: var(--maxw); margin: 0 auto clamp(28px, 5vw, 48px); }
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--ink-50);
  text-wrap: balance;
}
.section-sub {
  margin-top: 10px;
  color: var(--ink-300);
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 56ch;
}

/* ---------- Hero ---------- */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: clamp(48px, 8vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__kicker {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-400);
  margin-bottom: 18px;
}
.hero__title {
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -1.4px;
  color: var(--ink-50);
  text-wrap: balance;
}
.hero__lede {
  margin-top: 20px;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.58;
  color: var(--ink-200);
  max-width: 46ch;
}

/* ---------- Notify form ---------- */
.notify { margin-top: 32px; max-width: 460px; }
.notify__label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: 8px;
}
.notify__row { display: flex; gap: 10px; }
.notify input {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--ink-850);
  border: 1px solid var(--ink-600);
  color: var(--ink-50);
  font-family: var(--sans);
  font-size: 16px;
  padding: 0 14px;
  height: 48px;
  border-radius: var(--r-md);
  transition: border-color 0.15s var(--ease-out), background 0.15s var(--ease-out);
}
.notify input::placeholder { color: var(--ink-400); }
.notify input:focus {
  outline: none;
  background: var(--ink-800);
  border-color: var(--teal-500);
}
.notify input.is-invalid { border-color: var(--loss); }
.notify__hint { margin-top: 12px; font-size: 13px; color: var(--ink-400); }
.notify__success {
  margin-top: 12px;
  font-size: 14px;
  color: var(--gain);
  font-weight: 500;
}
.notify--center { margin-inline: auto; }
.notify--center .notify__label,
.notify--center .notify__success { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  height: 48px;
  padding: 0 20px;
  flex: none;
  transition: transform 0.08s var(--ease-out), background 0.15s var(--ease-out);
}
.btn:active { transform: scale(0.985); }
.btn--primary { background: var(--teal-500); color: var(--ink-950); }
.btn--primary:hover { background: var(--teal-400); }

/* ---------- Hero panel (Card Movers preview) ---------- */
.hero__panel { perspective: 1400px; }
.panel {
  background: var(--ink-850);
  border: 1px solid var(--ink-600);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.panel__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--ink-600);
  background: var(--ink-900);
}
.panel__title { font-weight: 700; color: var(--ink-50); font-size: 15px; letter-spacing: -0.2px; }
.panel__filters { display: inline-flex; gap: 6px; }
.chip {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-200);
  border: 1px solid var(--ink-600);
  border-radius: var(--r-pill);
  padding: 4px 10px;
  font-variant-numeric: tabular-nums;
}
.chip--active {
  background: var(--teal-700);
  border-color: var(--teal-500);
  color: var(--teal-400);
  font-weight: 600;
}

/* movers list / rows */
.movers { padding: 6px; }
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px;
  border-radius: var(--r-md);
  transition: background 0.15s var(--ease-out);
}
.row + .row { border-top: 1px solid var(--ink-800); }
.row:hover { background: var(--ink-800); }
.row__main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.row__title { font-size: 15px; font-weight: 600; color: var(--ink-50); letter-spacing: -0.1px; }
.row__meta { font-size: 11px; color: var(--ink-300); }
.row__sub { font-size: 12px; color: var(--ink-400); }
.row__now { color: var(--ink-100); }
.row__rail { text-align: right; display: flex; flex-direction: column; gap: 2px; flex: none; }
.metric {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
}
.row__railsub { font-size: 12px; color: var(--ink-400); }

.tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-family: var(--mono);
  white-space: nowrap;
}
.tag--warn { color: var(--warn); }
.tag--gain { color: var(--gain); }

/* ---------- Workflows ---------- */
.workflows { padding-block: clamp(56px, 9vw, 104px); }
.flows {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 22px);
}
.flow {
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-lg);
  padding: clamp(20px, 2.4vw, 28px);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.flow__head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.flow__name { font-size: 19px; font-weight: 700; color: var(--ink-50); letter-spacing: -0.3px; }
.badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-pill);
}
.badge--free { color: var(--ink-300); border: 1px solid var(--ink-600); }
.badge--pro { color: var(--teal-400); background: var(--teal-700); }
.flow__body { font-size: 14.5px; line-height: 1.55; color: var(--ink-200); }
.flow__demo {
  margin-top: auto;
  padding-top: 20px;
}
.mini-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  border-top: 1px solid var(--ink-700);
}
.mini-row:first-child { border-top: none; }
.mini-row__name { font-size: 13px; color: var(--ink-100); }
.mini-row .metric { font-size: 14px; }

/* EV stat */
.flow__demo--stat { padding-top: 22px; }
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-md);
}
.stat__label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.stat__value {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink-50);
  line-height: 1;
}
.stat__unit { font-size: 14px; color: var(--ink-300); font-weight: 500; }
.stat__delta { font-family: var(--mono); font-size: 12px; font-weight: 600; }

/* grading ladder */
.flow__demo--ladder { padding-top: 22px; display: flex; flex-direction: column; gap: 1px; }
.ladder-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--ink-850);
  font-variant-numeric: tabular-nums;
}
.ladder-row:first-child { border-radius: var(--r-md) var(--r-md) 0 0; }
.ladder-row:last-child { border-radius: 0 0 var(--r-md) var(--r-md); }
.ladder-row__k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-300);
  width: 56px;
  flex: none;
}
.ladder-row .mono { font-size: 14px; color: var(--ink-100); }
.ladder-row--hl { background: var(--ink-800); }
.ladder-row--hl .mono { color: var(--ink-50); font-weight: 600; }
.ladder-row--hl .tag { margin-left: auto; }

/* ---------- Who it's for ---------- */
.who {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-block: clamp(40px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.who__body {
  margin-top: 18px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.62;
  color: var(--ink-200);
  max-width: 60ch;
}
.who__points { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.who__points li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-100);
}
.who__glyph { color: var(--ink-500); font-size: 12px; flex: none; }

/* quote slot */
.quote {
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.quote blockquote { font-size: 18px; line-height: 1.5; color: var(--ink-50); }
.quote figcaption { margin-top: 14px; font-size: 13px; color: var(--ink-300); }

/* ---------- Screenshot slot ---------- */
.shots { padding-block: clamp(40px, 7vw, 88px); }
.shots__rail {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(14px, 3vw, 40px);
  flex-wrap: wrap;
}
.phone {
  width: clamp(180px, 24vw, 248px);
  aspect-ratio: 9 / 19.5;
  border-radius: 30px;
  background: var(--ink-850);
  border: 1px solid var(--ink-600);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  display: grid;
  overflow: hidden;
}
.phone--lift { transform: translateY(-22px); }
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 22px; }
.phone__placeholder {
  border: 1px dashed var(--ink-500);
  border-radius: 22px;
  display: grid;
  place-items: center;
  color: var(--ink-400);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  background:
    repeating-linear-gradient(45deg, transparent 0 11px, rgba(117,112,106,0.06) 11px 12px);
}
@media (max-width: 640px) {
  .phone--lift { transform: none; }
}

/* ---------- Final CTA ---------- */
.cta {
  max-width: 720px;
  margin: 0 auto;
  padding-block: clamp(56px, 9vw, 112px);
  text-align: center;
}
.cta__title {
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--ink-50);
  line-height: 1.1;
  text-wrap: balance;
}
.cta__sub { margin-top: 14px; color: var(--ink-300); font-size: clamp(15px, 1.7vw, 17px); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--ink-600);
  padding: 28px var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
}
.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink-100);
  font-weight: 600;
  font-size: 14px;
}
.site-footer__links { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer__links a { color: var(--ink-300); font-size: 13px; }
.site-footer__links a:hover { color: var(--ink-50); }
.site-footer__legal { margin-left: auto; color: var(--ink-500); font-size: 12px; }

/* ============================================================ Responsive ============================================================ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: clamp(36px, 8vw, 64px); }
  .hero__panel { order: 2; }
  .flows { grid-template-columns: 1fr; }
  .who { grid-template-columns: 1fr; }
}

/* ============================================================ Reveal motion (enhances already-visible content) ============================================================ */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker__track { animation: none; transform: translateX(0); }
  .reveal, .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .btn:active { transform: none; }
}