/* GraphAqal — "atlas" theme. Warm near-black, ochre signal, editorial serif display.
   Deliberately not the purple-gradient AI-slop house style. */

:root {
  --bg: #0a0a0b;
  --bg-2: #0f0f11;
  --surface: #141417;
  --surface-2: #1b1b1f;
  --hair: rgba(237, 235, 229, 0.09);
  --hair-strong: rgba(237, 235, 229, 0.16);
  --text: #ece9e1;
  --muted: #93908a;
  --faint: #63615c;
  --accent: #e0a94e; /* ochre — topographic-line warmth */
  --accent-soft: rgba(224, 169, 78, 0.14);

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* subtle film grain so the flat dark doesn't feel like a template */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img,
svg {
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
em {
  font-style: italic;
  color: var(--accent);
}

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 5.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}
h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}
h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}
.mono {
  font-family: var(--mono);
}

/* ---------- layout primitives ---------- */
section {
  position: relative;
  z-index: 2;
  padding: clamp(4.5rem, 9vw, 8rem) clamp(1.25rem, 5vw, 3rem);
}
.section-head {
  max-width: var(--maxw);
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}
.section-head h2 {
  max-width: 20ch;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.94rem;
  padding: 0.8rem 1.4rem;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--text);
  color: #0a0a0b;
}
.btn-primary:hover {
  background: #fff;
}
.btn-ghost {
  border-color: var(--hair-strong);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-sm {
  padding: 0.55rem 1.05rem;
  font-size: 0.85rem;
}
.btn-block {
  width: 100%;
  margin-top: auto;
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.05rem clamp(1.25rem, 5vw, 3rem);
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hair);
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.32rem;
  letter-spacing: -0.02em;
}
.wordmark span {
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 1.7rem;
  margin-left: auto;
  font-size: 0.92rem;
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--text);
}
.nav .btn-primary {
  margin-left: 0.4rem;
}
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
  max-width: calc(var(--maxw) + 120px);
  margin: 0 auto;
  padding-top: clamp(3rem, 6vw, 5rem);
}
.hero-copy {
  max-width: 34rem;
}
.lede {
  margin-top: 1.6rem;
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 32rem;
}
.hero-cta {
  display: flex;
  gap: 0.8rem;
  margin-top: 2.2rem;
  flex-wrap: wrap;
}
.hero-trust {
  margin-top: 1.8rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

/* ---------- graph ---------- */
.graph-shell {
  width: 100%;
}
.graph-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--hair-strong);
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 50% 0%, #131318 0%, #08080a 70%);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.9);
}
#graph-canvas {
  position: absolute;
  inset: 0;
}
#graph-canvas canvas {
  display: block;
}
.graph-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--faint);
  letter-spacing: 0.12em;
  transition: opacity 0.6s;
}
.graph-loading.hidden {
  opacity: 0;
  pointer-events: none;
}
.graph-controls {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  z-index: 5;
}
.seg {
  display: inline-flex;
  border: 1px solid var(--hair-strong);
  border-radius: 100px;
  overflow: hidden;
  background: rgba(10, 10, 11, 0.6);
  backdrop-filter: blur(8px);
}
.seg button {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
}
.seg button.active {
  background: var(--accent);
  color: #0a0a0b;
}
.ctrl {
  background: rgba(10, 10, 11, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid var(--hair-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.4rem 0.75rem;
  border-radius: 100px;
  cursor: pointer;
}
.ctrl[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
}
.clarity {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(10, 10, 11, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid var(--hair-strong);
  border-radius: 100px;
  padding: 0.32rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.clarity input {
  -webkit-appearance: none;
  appearance: none;
  width: 82px;
  height: 3px;
  border-radius: 3px;
  background: var(--hair-strong);
  outline: none;
}
.clarity input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.clarity input::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border: none;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}
.graph-legend {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  gap: 0.5rem 1rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  z-index: 5;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  opacity: 0.9;
  transition: opacity 0.2s;
}
.legend-item.off {
  opacity: 0.35;
}
.legend-swatch {
  width: 9px;
  height: 9px;
  border-radius: 2px;
}
.graph-caption {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--faint);
  text-align: center;
}

/* ---------- band ---------- */
.band {
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}
.band-line {
  max-width: 30ch;
  margin: 0 auto;
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
}

/* ---------- features ---------- */
.features {
  max-width: var(--maxw);
  margin: 0 auto;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: 16px;
  overflow: hidden;
}
.feature {
  background: var(--bg);
  padding: 2rem 1.7rem 2.2rem;
  transition: background 0.3s;
}
.feature:hover {
  background: var(--surface);
}
.feature-idx {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--accent);
}
.feature h3 {
  margin: 1rem 0 0.6rem;
}
.feature p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- how ---------- */
.how {
  max-width: var(--maxw);
  margin: 0 auto;
}
.steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.steps li {
  border-top: 1px solid var(--hair-strong);
  padding-top: 1.4rem;
}
.step-n {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--accent);
  line-height: 1;
}
.steps h3 {
  margin: 0.9rem 0 0.5rem;
}
.steps p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- pricing ---------- */
.pricing {
  max-width: var(--maxw);
  margin: 0 auto;
}
.billing-toggle {
  display: inline-flex;
  margin-top: 1.5rem;
  /* solid dark pill so the toggle reads clearly even on the yellow-tinted featured card */
  background: #0a0a0b;
  border: 1px solid var(--hair-strong);
  border-radius: 100px;
  padding: 3px;
}
.billing-toggle button {
  background: none;
  border: none;
  color: #d8d5cd; /* light, high-contrast inactive text on the dark pill */
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.5rem 1.1rem;
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.billing-toggle button:hover {
  color: #fff;
}
.billing-toggle button.active {
  background: var(--accent); /* ochre fill */
  color: #0a0a0b; /* near-black text on ochre = strong contrast */
}
.billing-toggle span {
  color: var(--accent);
  font-size: 0.76rem;
}
.billing-toggle button.active span {
  color: #0a0a0b; /* keep the "save 18%" readable on the ochre active button */
}
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.price-grid.two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 760px;
  margin: 0 auto;
}
.price-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--hair);
  border-radius: 16px;
  padding: 1.9rem 1.7rem;
  min-height: 420px;
}
.price-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft), transparent 40%), var(--bg-2);
  position: relative;
}
.badge {
  position: absolute;
  top: -11px;
  left: 1.7rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: #0a0a0b;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
}
.plan-name {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.plan-price {
  margin: 0.7rem 0 0.2rem;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}
.plan-price .amt {
  font-family: var(--serif);
  font-size: 3rem;
  line-height: 1;
}
.plan-price .per {
  color: var(--muted);
  font-size: 0.95rem;
}
.plan-note {
  color: var(--muted);
  font-size: 0.9rem;
  min-height: 2.6em;
}
.price-card ul {
  list-style: none;
  padding: 1.2rem 0;
  margin: 0 0 1.4rem;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 0.7rem;
}
.price-card li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.92rem;
  color: var(--text);
}
.price-card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.tax-note {
  text-align: center;
  margin-top: 1.6rem;
  font-size: 0.82rem;
  color: var(--faint);
}

/* ---------- privacy band ---------- */
.privacy-band {
  border-top: 1px solid var(--hair);
  text-align: center;
}
.privacy-band > div {
  max-width: 44rem;
  margin: 0 auto;
}
.privacy-band p {
  color: var(--muted);
  margin: 1.2rem auto 2rem;
  font-size: 1.05rem;
}

/* ---------- footer ---------- */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--hair);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 5vw, 3rem) 2.5rem;
  max-width: var(--maxw);
  margin: 0 auto;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--hair);
}
.footer-links {
  display: flex;
  gap: 3.5rem;
  flex-wrap: wrap;
}
.footer-links p {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.9rem;
}
.footer-links a {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  color: var(--faint);
  font-size: 0.82rem;
}

/* ---------- legal pages ---------- */
.legal {
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.25rem, 5vw, 2rem) 5rem;
}
.legal .eyebrow {
  margin-bottom: 0.6rem;
}
.legal h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.4rem;
}
.legal .updated {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-bottom: 2.5rem;
}
.legal h2 {
  font-size: 1.35rem;
  margin: 2.4rem 0 0.8rem;
}
.legal p,
.legal li {
  color: var(--muted);
  font-size: 0.98rem;
  margin-bottom: 0.9rem;
}
.legal ul {
  padding-left: 1.2rem;
}
.legal a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}
.back-link:hover {
  color: var(--accent);
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------- clarity explainer ---------- */
.clarity-info {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--hair-strong);
  background: transparent;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}
.clarity-info:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.clarity-box {
  position: absolute;
  top: 54px;
  left: 14px;
  right: 14px;
  z-index: 6;
  max-width: 340px;
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--hair-strong);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
  display: none;
}
.clarity-box strong {
  color: var(--accent);
  font-weight: 500;
}
.clarity-box.open {
  display: block;
}

/* ---------- playground ---------- */
.playground {
  max-width: var(--maxw);
  margin: 0 auto;
}
.section-lede {
  max-width: 46ch;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1rem;
}
.pg-shell {
  margin-top: 1rem;
}
.pg-frame {
  position: relative;
  height: min(70vh, 620px);
  border: 1px solid var(--hair-strong);
  border-radius: 20px;
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 0%, #131318 0%, #08080a 72%);
  box-shadow: 0 50px 110px -50px rgba(0, 0, 0, 0.9);
}
#pg-canvas {
  position: absolute;
  inset: 0;
}
.pg-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--faint);
  letter-spacing: 0.12em;
  transition: opacity 0.6s;
}
.pg-loading.hidden {
  opacity: 0;
  pointer-events: none;
}
.pg-controls {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  z-index: 5;
}
.pg-count {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 5;
  font-size: 0.7rem;
  color: var(--faint);
}

/* ---------- alternative-view teasers ---------- */
.views-head {
  max-width: var(--maxw);
  margin: 4rem auto 0;
}
.soon {
  color: var(--accent);
}
.views-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  letter-spacing: -0.01em;
  margin-top: 0.4rem;
}
.views-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}
.view-teaser {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--hair);
  border-radius: 16px;
  padding: 1rem 1rem 1.4rem;
  cursor: pointer;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.view-teaser:hover {
  border-color: var(--hair-strong);
  transform: translateY(-3px);
}
.soon-badge {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  z-index: 2;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2rem 0.5rem;
  border-radius: 100px;
}
.view-thumb {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hair);
  margin-bottom: 1rem;
}
.view-thumb svg {
  width: 100%;
  height: auto;
  display: block;
}
.view-teaser h4 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.02rem;
  margin-bottom: 0.4rem;
}
.view-teaser p {
  color: var(--muted);
  font-size: 0.9rem;
}
.teaser-note {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s var(--ease), opacity 0.3s;
}
.view-teaser.open .teaser-note,
.view-teaser:hover .teaser-note {
  max-height: 4rem;
  opacity: 1;
}

/* ---------- price sub-label + in-card toggle ---------- */
.plan-sub {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin: -0.1rem 0 0.6rem;
}
.card-toggle {
  margin: 0.6rem 0 0.4rem;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .graph-frame {
    aspect-ratio: 4 / 3;
  }
  .pg-frame {
    height: min(66vh, 460px);
  }
  .views-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid,
  .steps,
  .price-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-2);
    border-bottom: 1px solid var(--hair);
  }
  .nav .btn-primary {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
}
@media (max-width: 560px) {
  .price-card {
    min-height: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}