/* ==========================================================================
   OffBook — site stylesheet
   Shared design system for every page. Colour scheme is the app's:
   near-black surfaces, a single purple accent, DM Sans / DM Mono.
   ========================================================================== */

:root {
  /* Core palette — matches the app */
  --bg: #0f0f13;
  --surface: #1a1a24;
  --surface-2: #20202c;
  --border: #2a2a38;
  --purple: #9b6dff;
  --purple-dim: #6b4dcc;
  --purple-deep: #1a1030;
  --text: #e8e8f0;
  --muted: #8888a8;
  --white: #ffffff;

  /* Derived accents */
  --purple-soft: rgba(155, 109, 255, 0.14);
  --purple-line: rgba(155, 109, 255, 0.32);
  --glow: rgba(155, 109, 255, 0.45);
  --grad: linear-gradient(135deg, #b18cff 0%, #9b6dff 45%, #6b4dcc 100%);

  /* Layout */
  --wide: 1120px;
  --readable: 760px;
  --nav-h: 62px;
  --radius: 14px;
  --radius-sm: 10px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a {
  color: var(--purple);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

a:hover { text-decoration: underline; }

::selection { background: var(--purple); color: #fff; }

:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--purple);
  color: #fff;
  padding: 0.7rem 1.1rem;
  z-index: 200;
  border-radius: 0 0 8px 0;
}

.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap-narrow {
  width: 100%;
  max-width: var(--readable);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-tight { padding: 3.2rem 0; }

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3rem;
}

.eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--purple);
  display: block;
  margin-bottom: 0.9rem;
}

h1, h2, h3, h4 { color: var(--white); line-height: 1.25; }

.section-head h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}

.section-head p {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 300;
}

.center { text-align: center; }

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: rgba(15, 15, 19, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(15, 15, 19, 0.92);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.nav-logo:hover { text-decoration: none; }

.nav-logo img {
  height: 26px;
  width: auto;
  display: block;
  transition: transform 0.25s var(--ease);
}

.nav-logo:hover img { transform: scale(1.04); }

/* Desktop gets a larger word-logo, and a taller bar to carry it. Phones keep
   the compact one — the mobile nav is already tight on width. */
@media (min-width: 781px) {
  :root { --nav-h: 74px; }

  .nav-logo img { height: 38px; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  position: relative;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  text-decoration: none;
}

.nav-links a.active { color: var(--white); }

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.1rem;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

.nav-cta {
  background: var(--grad);
  color: #fff !important;
  padding: 0.5rem 1.05rem !important;
  border-radius: 999px;
  font-weight: 500;
  box-shadow: 0 4px 18px rgba(155, 109, 255, 0.28);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.nav-cta:hover {
  transform: translateY(-1px);
  background: var(--grad) !important;
  box-shadow: 0 6px 24px rgba(155, 109, 255, 0.42);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 38px;
  height: 34px;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 16px;
  height: 1.6px;
  background: var(--text);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle span { top: 50%; margin-top: -0.8px; }
.nav-toggle span::before { top: -5px; left: 0; transform: none; }
.nav-toggle span::after { top: 5px; left: 0; transform: none; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 780px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    /* Solid, not translucent: this panel sits inside the nav, which already
       has a backdrop-filter, and nesting the two makes Chromium paint the
       page content straight through the panel. */
    background: #101016;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
    padding: 0.6rem 1.5rem 1.4rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }

  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0.4rem;
    font-size: 0.98rem;
    border-bottom: 1px solid rgba(42, 42, 56, 0.6);
    border-radius: 0;
  }

  .nav-links a.active::after { display: none; }

  .nav-links li:last-child { margin-top: 0.9rem; }

  .nav-cta {
    text-align: center;
    border-bottom: none !important;
    padding: 0.75rem 1rem !important;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
              background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover { text-decoration: none; transform: translateY(-2px); }

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 6px 22px rgba(155, 109, 255, 0.3);
}

.btn-primary:hover { box-shadow: 0 10px 30px rgba(155, 109, 255, 0.45); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--purple-line);
  background: rgba(155, 109, 255, 0.08);
  color: var(--white);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 5.5rem) 0 4.5rem;
  overflow: hidden;
  isolation: isolate;
}

/* Aurora / stage-light wash behind the hero */
.hero-glow {
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 780px;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(46% 40% at 22% 18%, rgba(155, 109, 255, 0.30), transparent 62%),
    radial-gradient(42% 38% at 78% 12%, rgba(107, 77, 204, 0.30), transparent 60%),
    radial-gradient(56% 50% at 50% 0%, rgba(26, 16, 48, 0.95), transparent 72%);
  filter: blur(14px);
  animation: aurora 18s ease-in-out infinite alternate;
}

@keyframes aurora {
  0%   { transform: translate3d(-2%, 0, 0) scale(1); }
  50%  { transform: translate3d(2%, 1.5%, 0) scale(1.06); }
  100% { transform: translate3d(-1%, -1%, 0) scale(1.02); }
}

/* Faint grid, like a stage floor plan */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(155, 109, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 109, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 25%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 25%, #000 20%, transparent 78%);
}

/* Pointer-following spotlight */
.hero-spot {
  position: absolute;
  z-index: -1;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  pointer-events: none;
  left: 0; top: 0;
  background: radial-gradient(circle, rgba(155, 109, 255, 0.13), transparent 66%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  will-change: transform;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-copy { max-width: 560px; }

.hero h1 {
  font-size: clamp(2.2rem, 5.6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-bottom: 1.1rem;
}

.hero h1 .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lead {
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  font-weight: 300;
  margin-bottom: 1.8rem;
  max-width: 480px;
}

.hero .btn-row { justify-content: flex-start; }

.hero-note {
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  margin-top: 1.1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--purple);
  background: var(--purple-soft);
  border: 1px solid var(--purple-line);
  padding: 0.34rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
}

.pill .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 0 0 var(--glow);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(155, 109, 255, 0.6); }
  70%  { box-shadow: 0 0 0 9px rgba(155, 109, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(155, 109, 255, 0); }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.8rem; }
  .hero-copy { max-width: none; text-align: center; margin: 0 auto; }
  .hero .lead { margin-left: auto; margin-right: auto; }
  .hero .btn-row { justify-content: center; }
}

/* --------------------------------------------------------------------------
   Phone mockup + in-app script demo
   -------------------------------------------------------------------------- */

.phone-stage {
  display: flex;
  justify-content: center;
  perspective: 1400px;
}

.phone {
  position: relative;
  width: 290px;
  max-width: 78vw;
  aspect-ratio: 9 / 18.6;
  background: linear-gradient(160deg, #23233040, #12121a);
  border: 1px solid var(--border);
  border-radius: 38px;
  padding: 10px;
  box-shadow:
    0 40px 90px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 0 70px rgba(155, 109, 255, 0.16);
  transform: rotateY(-11deg) rotateX(4deg) rotateZ(0.6deg);
  transition: transform 0.7s var(--ease);
  animation: floaty 7s ease-in-out infinite;
}

.phone:hover { transform: rotateY(-4deg) rotateX(1deg); }

@keyframes floaty {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -12px; }
}

.phone-screen {
  position: relative;
  height: 100%;
  background: var(--bg);
  border-radius: 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 20px;
  background: #08080c;
  border-radius: 999px;
  z-index: 3;
}

.phone-bar {
  padding: 2.1rem 1rem 0.7rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--purple-deep), transparent);
}

.phone-bar .title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--white);
}

.phone-bar .sub {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  color: var(--muted);
}

.script {
  padding: 0.9rem 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow: hidden;
  flex: 1;
}

.line { opacity: 0.38; transition: opacity 0.45s var(--ease); }

.line.on { opacity: 1; }

.line .who {
  font-family: 'DM Mono', monospace;
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.15rem;
}

.line.mine .who { color: var(--purple); }

.line .txt {
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--text);
  position: relative;
  display: block;
}

/* Hidden-line treatment: the blurred bar you tap to reveal */
.line.mine .txt {
  color: transparent;
  background: linear-gradient(90deg, var(--purple-soft), rgba(155, 109, 255, 0.06));
  border: 1px dashed var(--purple-line);
  border-radius: 6px;
  padding: 0.2rem 0.4rem;
  transition: color 0.4s var(--ease), background 0.4s var(--ease),
              border-color 0.4s var(--ease);
}

.line.mine.revealed .txt {
  color: var(--text);
  background: rgba(155, 109, 255, 0.05);
  border-style: solid;
  border-color: var(--purple-line);
}

.phone-foot {
  margin-top: auto;
  padding: 0.7rem 0.95rem 1.1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.mic {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--grad);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 0 var(--glow);
  animation: pulse 2.6s infinite;
}

.mic svg { width: 15px; height: 15px; color: #fff; }

.meter {
  flex: 1;
  height: 5px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}

.meter i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--grad);
  transition: width 0.6s var(--ease);
}

.meter-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  color: var(--purple);
  min-width: 30px;
  text-align: right;
}

/* --------------------------------------------------------------------------
   Cards / feature grids
   -------------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 1.1rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
}

/* Cursor-tracked sheen — see site.js */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%),
              rgba(155, 109, 255, 0.13), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--purple-line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}

.card:hover::before { opacity: 1; }

/* Whole-card links (support page shortcuts) */
a.card { display: block; color: inherit; }
a.card:hover { text-decoration: none; }
a.card h3 { color: var(--white); }

.card .icon {
  width: 38px;
  height: 38px;
  color: var(--purple);
  margin-bottom: 0.9rem;
  display: block;
}

.card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

.card-accent {
  border-left: 3px solid var(--purple);
}

/* Numbered "how it works" steps */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  position: relative;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  position: relative;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.step:hover { border-color: var(--purple-line); transform: translateY(-3px); }

.step .num {
  counter-increment: step;
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--purple-soft);
  border: 1px solid var(--purple-line);
  color: var(--purple);
  margin-bottom: 1rem;
}

.step .num::before { content: '0' counter(step); }

.step h3 { font-size: 1rem; margin-bottom: 0.4rem; }

.step p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* Stat row */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
}

.stat .n {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--white);
  font-family: 'DM Mono', monospace;
  letter-spacing: -0.02em;
  display: block;
}

.stat .l {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'DM Mono', monospace;
}

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Confidence chart
   -------------------------------------------------------------------------- */

.chart-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.chart-panel h3 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.chart-panel .sub {
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  margin-bottom: 1.2rem;
}

.chart svg { width: 100%; height: auto; display: block; }

.chart .line-path {
  fill: none;
  stroke: url(#lineGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
}

.chart.in .line-path {
  animation: draw 1.8s var(--ease) forwards;
}

@keyframes draw { to { stroke-dashoffset: 0; } }

.chart .area { fill: url(#areaGrad); opacity: 0; }
.chart.in .area { animation: fadeIn 1.2s 0.8s var(--ease) forwards; }

@keyframes fadeIn { to { opacity: 1; } }

.chart .dot { fill: var(--purple); opacity: 0; }
.chart.in .dot { animation: fadeIn 0.4s var(--ease) forwards; }

.chart .grid-line { stroke: var(--border); stroke-width: 1; }

.chart .axis-label {
  fill: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 9px;
}

/* Animated confidence bars */
.bars { display: flex; flex-direction: column; gap: 0.9rem; }

.bar-row .top {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.bar-row .top .name { color: var(--text); }

.bar-row .top .val {
  font-family: 'DM Mono', monospace;
  color: var(--purple);
  font-size: 0.8rem;
}

.bar-track {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(155, 109, 255, 0.4);
  transition: width 1.4s var(--ease);
}

/* --------------------------------------------------------------------------
   Pricing
   -------------------------------------------------------------------------- */

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  align-items: stretch;
}

.plan {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.9rem 1.7rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.plan.featured {
  border-color: var(--purple-line);
  box-shadow: 0 0 46px rgba(155, 109, 255, 0.16);
}

.plan.featured::after {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad);
}

.plan .tier {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 0.7rem;
}

.plan .amount {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.plan .amount small {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0;
}

.plan .terms {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.4rem 0 1.3rem;
}

.plan ul { list-style: none; margin-bottom: 1.6rem; flex: 1; }

.plan ul li {
  position: relative;
  padding: 0.34rem 0 0.34rem 1.6rem;
  font-size: 0.91rem;
  color: var(--text);
}

.plan ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 9px;
  height: 5px;
  border-left: 1.8px solid var(--purple);
  border-bottom: 1.8px solid var(--purple);
  transform: rotate(-45deg);
}

.plan ul li.off { color: var(--muted); opacity: 0.65; }

.plan ul li.off::before {
  border: none;
  content: '—';
  color: var(--muted);
  top: 0.34rem;
  width: auto;
  height: auto;
  transform: none;
}

/* Offer banner — hidden until site.js confirms a sale is on. See the note in
   site.js about why the wording stops short of promising a discount. */
.sale-banner {
  display: none;
  align-items: center;
  gap: 0.8rem;
  background:
    linear-gradient(90deg, rgba(155, 109, 255, 0.16), rgba(155, 109, 255, 0.05)),
    var(--surface);
  border: 1px solid var(--purple-line);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1.2rem;
  margin-bottom: 1.4rem;
  font-size: 0.92rem;
  animation: bannerIn 0.6s var(--ease) both;
}

.sale-banner.show { display: flex; }

@keyframes bannerIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}

.sale-banner .tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--grad);
  color: #fff;
  padding: 0.26rem 0.65rem;
  border-radius: 999px;
  flex-shrink: 0;
  box-shadow: 0 0 18px rgba(155, 109, 255, 0.35);
}

.sale-banner .sale-text { color: var(--text); }

.sale-banner [data-baseline-price] {
  font-family: 'DM Mono', monospace;
  color: var(--white);
}

.sale-banner .countdown {
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  color: var(--purple);
  margin-left: auto;
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .price-grid { grid-template-columns: 1fr; }

  .sale-banner {
    flex-wrap: wrap;
    gap: 0.6rem;
  }

  .sale-banner .countdown { margin-left: 0; }
}

/* --------------------------------------------------------------------------
   Store badges
   -------------------------------------------------------------------------- */

.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.8rem 0 0.5rem;
}

.hero .store-badges, .center .store-badges { justify-content: center; }

.store-badge {
  display: inline-flex;
  border-radius: 8px;
  transition: transform 0.2s var(--ease), filter 0.2s var(--ease);
}

.store-badge:hover {
  transform: translateY(-3px);
  filter: drop-shadow(0 8px 18px rgba(155, 109, 255, 0.35));
  text-decoration: none;
}

.store-badge svg { height: 54px; width: auto; display: block; }

.store-badge.coming-soon {
  opacity: 0.4;
  pointer-events: none;
  filter: grayscale(1);
}

.store-note {
  color: var(--muted);
  font-size: 0.8rem;
  font-family: 'DM Mono', monospace;
  margin-top: 0.6rem;
}

/* --------------------------------------------------------------------------
   Document pages (privacy, support prose)
   -------------------------------------------------------------------------- */

.page-head {
  padding: 3.4rem 0 2rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(155, 109, 255, 0.12), transparent 70%),
    linear-gradient(180deg, var(--purple-deep), transparent);
  text-align: center;
}

.page-head h1 {
  font-size: clamp(1.8rem, 4.4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.page-head p {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto;
}

.page-head .last-updated {
  color: var(--muted);
  font-size: 0.82rem;
  font-family: 'DM Mono', monospace;
  display: block;
  margin-top: 0.6rem;
}

.doc { padding: 3rem 0 5rem; }

.doc section { margin-bottom: 2.4rem; scroll-margin-top: calc(var(--nav-h) + 24px); }

.doc h2 {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--purple);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'DM Mono', monospace;
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.doc p {
  color: var(--text);
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}

.doc ul { list-style: none; margin-bottom: 0.85rem; }

.doc ul li {
  padding: 0.3rem 0 0.3rem 1.2rem;
  position: relative;
  font-size: 0.95rem;
}

.doc ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--purple-dim);
}

.intro {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--purple);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.4rem;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

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

.highlight-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin: 1rem 0;
}

.highlight-box p { margin: 0; }
.highlight-box p + p { margin-top: 0.8rem; }

/* Table of contents for long documents */
.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.3rem;
  margin-bottom: 2.5rem;
}

.toc .toc-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.toc ol {
  list-style: none;
  counter-reset: toc;
  columns: 2;
  column-gap: 1.6rem;
}

.toc li { counter-increment: toc; font-size: 0.88rem; padding: 0.16rem 0; }

.toc li a { color: var(--muted); }
.toc li a:hover { color: var(--purple); text-decoration: none; }

.toc li a::before {
  content: counter(toc) '.';
  font-family: 'DM Mono', monospace;
  color: var(--purple-dim);
  margin-right: 0.4rem;
}

@media (max-width: 560px) { .toc ol { columns: 1; } }

/* --------------------------------------------------------------------------
   FAQ / accordion
   -------------------------------------------------------------------------- */

details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin-bottom: 0.7rem;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

details:hover { border-color: var(--purple-line); }

details[open] { background: var(--surface-2); border-color: var(--purple-line); }

summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--white);
  font-size: 0.97rem;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

summary::-webkit-details-marker { display: none; }

summary::before {
  content: '+';
  color: var(--purple);
  font-family: 'DM Mono', monospace;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
  display: inline-block;
}

details[open] summary::before { content: '–'; transform: rotate(180deg); }

details p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

details p + p { margin-top: 0.7rem; }

details[open] > *:not(summary) { animation: slideDown 0.3s var(--ease); }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Contact / CTA blocks
   -------------------------------------------------------------------------- */

.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--purple);
  border-radius: var(--radius-sm);
  padding: 1.4rem 1.6rem;
  margin: 1rem 0 1.5rem;
}

.contact-box p { margin: 0; }

.contact-box .name {
  font-weight: 600;
  color: var(--white);
  font-size: 1.05rem;
}

.contact-box .role {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.6rem !important;
}

.contact-box a { font-family: 'DM Mono', monospace; font-size: 0.95rem; }

.cta-band {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(70% 120% at 50% 0%, rgba(155, 109, 255, 0.16), transparent 68%),
    var(--surface);
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.7rem;
}

.cta-band p {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 1.8rem;
}

.quote {
  border-left: 3px solid var(--purple);
  padding: 0.4rem 0 0.4rem 1.2rem;
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text);
  font-style: italic;
}

.quote cite {
  display: block;
  font-style: normal;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2.2rem;
  background: linear-gradient(180deg, transparent, rgba(26, 16, 48, 0.32));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.4rem;
}

.footer-brand img { height: 26px; width: auto; margin-bottom: 0.8rem; }

.footer-brand p {
  color: var(--muted);
  font-size: 0.86rem;
  max-width: 260px;
}

.footer-col h4 {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

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

.footer-col li { margin-bottom: 0.45rem; }

.footer-col a {
  color: var(--text);
  font-size: 0.88rem;
  opacity: 0.8;
  transition: opacity 0.18s var(--ease), color 0.18s var(--ease);
}

.footer-col a:hover { color: var(--purple); opacity: 1; text-decoration: none; }

.footer-base {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-base p + p { margin-top: 0.35rem; }

@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.6rem; }
  .footer-brand { grid-column: 1 / -1; }
}

/* --------------------------------------------------------------------------
   Scroll-reveal (progressively enhanced by site.js)
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible { opacity: 1; transform: none; }

.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* No JS? Never hide content. */
.no-js .reveal { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   404
   -------------------------------------------------------------------------- */

.notfound {
  min-height: calc(100vh - var(--nav-h) - 220px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1.5rem;
}

.notfound .code {
  font-family: 'DM Mono', monospace;
  font-size: clamp(4rem, 16vw, 8rem);
  font-weight: 500;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.6rem;
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal { opacity: 1; transform: none; }
  .phone { animation: none; transform: none; }
  .chart .line-path { stroke-dashoffset: 0; }
  .chart .area, .chart .dot { opacity: 1; }
}