/* BobNote — site styles. No external resources of any kind. */

:root {
  color-scheme: light;
  accent-color: var(--accent);

  --paper: #ffffff;
  --surface: #ffffff;
  --surface-2: #f5f5f7;
  --ink: #1d1d1f;
  --taupe: #636366;
  --accent: #0071e3;
  --accent-text: #0066cc;
  --on-accent: #ffffff;
  --accent-soft: #e8f1fd;
  --hairline: #d2d2d7;
  --hairline-strong: #86868b;
  --board-ink: #7c7c81;
  --wire: #86868b;

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  /* The --serif name is now a lie to be migrated later. */
  --display: var(--serif);

  --shell: 1120px;
  --gutter: clamp(20px, 5vw, 40px);
  --section-space: clamp(4.5rem, 9vw, 7.5rem);

  --ease-out: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 180ms;
  --dur-base: 280ms;
  --dur-slow: 520ms;
}

@media (prefers-contrast: more) {
  :root {
    --taupe: #3a3a3c;
    --hairline: #8e8e93;
  }
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-synthesis: none;
  font-optical-sizing: auto;
  letter-spacing: -0.022em;
  line-height: 1.47;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul, ol { margin-top: 0; }

img, svg { display: block; max-width: 100%; }

a {
  color: var(--accent-text);
  text-underline-offset: .22em;
}

a:hover { color: var(--ink); }

a:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 4px;
  border-radius: 4px;
}

.brand,
.skip-link,
.site-nav a,
.footer-nav a,
a[href^="mailto:"] {
  transition: opacity var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.site-nav a,
.footer-nav a {
  transition: opacity var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.brand:active,
.skip-link:active,
.site-nav a:active,
.footer-nav a:active,
a[href^="mailto:"]:active {
  opacity: .62;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: .7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--hairline-strong);
  border-radius: 0 0 8px 0;
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
  z-index: 10;
}

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

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}

@supports ((backdrop-filter: saturate(180%) blur(20px)) or (-webkit-backdrop-filter: saturate(180%) blur(20px))) {
  @supports (background: color-mix(in srgb, red 50%, transparent)) {
    .site-header {
      background: color-mix(in srgb, var(--paper) 88%, transparent);
      -webkit-backdrop-filter: saturate(180%) blur(20px);
      backdrop-filter: saturate(180%) blur(20px);
    }
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  object-fit: cover;
}

.brand-word {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.022em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--taupe);
  font-size: .9375rem;
  font-weight: 400;
  text-decoration: none;
  padding-block: .35rem;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- Shared type ---------- */

.eyebrow {
  margin-bottom: 1.1rem;
  color: var(--accent-text);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  text-transform: none;
}

.accent-text { color: var(--accent-text); }

.section {
  padding-block: var(--section-space);
  background: var(--paper);
}

.section-heading {
  max-width: 30ch;
  margin-bottom: clamp(2.75rem, 6vw, 4rem);
}

.section-heading.compact { margin-bottom: 2.25rem; }

.section-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.004em;
  line-height: 1.10;
}

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

.hero {
  padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(4rem, 9vw, 7rem);
  overflow: hidden;
  background: var(--surface-2);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 5rem);
}

h1 {
  margin: 0 0 1.6rem;
  font-family: var(--serif);
  font-size: clamp(1.95rem, 3.4vw, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.004em;
  line-height: 1.08;
}

h1 .muted-line { color: var(--taupe); }

.lede {
  max-width: 46ch;
  margin-bottom: 2.25rem;
  color: var(--taupe);
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  letter-spacing: 0.011em;
  line-height: 1.38;
}

.store-note {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  padding: .55rem 1rem .55rem .85rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .01em;
}

.store-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Hero board illustration ---------- */

.hero-visual { min-width: 0; }

.board { width: 100%; height: auto; }

.board .wires {
  stroke: var(--wire);
  stroke-width: 1.5;
}

.board .card rect {
  fill: var(--surface);
  stroke: var(--board-ink);
  stroke-width: 1;
}

.board .card-label {
  fill: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -.005em;
}

.board .card-label.accent { fill: var(--accent-text); }

.board .rule,
.board .rule path {
  fill: none;
  stroke: var(--board-ink);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.board .dot { fill: var(--accent); stroke: none; }
.board .dot.big { fill: var(--accent); }

.board .todo .box {
  fill: none;
  stroke: var(--board-ink);
  stroke-width: 1.5;
}

.board .todo .box.done {
  fill: var(--accent);
  stroke: var(--accent);
}

.board .todo .tick {
  fill: none;
  stroke: var(--on-accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.board .strike { opacity: .55; }

.board .board-card > rect:first-of-type { stroke: var(--accent); }

.board .nested {
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.board .nested-label { fill: var(--accent-text); font-size: 11px; }
.board .nested-rule { stroke: var(--board-ink); stroke-width: 2.5; }

.board .mind path {
  fill: none;
  stroke: var(--wire);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.board .pic-top { stop-color: var(--accent-soft); }
.board .pic-bottom { stop-color: var(--surface-2); }
.board .pic-sun { fill: var(--accent); opacity: .8; }
.board .pic-hill { fill: var(--wire); opacity: .55; }

@media screen and (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: rise var(--dur-slow) var(--ease-out) both; }
  .hero-visual { animation: rise var(--dur-slow) var(--ease-out) 90ms both; }
}

@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- Promise band ---------- */

.promise-band {
  padding-block: var(--section-space);
  background: var(--paper);
}

.promise-line {
  max-width: 26ch;
  margin: 0 0 clamp(2.5rem, 5vw, 3.5rem);
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3.8vw, 2.9rem);
  font-weight: 600;
  letter-spacing: -0.006em;
  line-height: 1.10;
}

.promise-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.75rem, 4vw, 3rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.promise-points li {
  padding-top: 1.1rem;
  border-top: 1px solid var(--hairline-strong);
  color: var(--taupe);
  font-size: .9375rem;
  line-height: 1.6;
}

.promise-points span {
  display: block;
  margin-bottom: .4rem;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.022em;
}

/* ---------- Value blocks ---------- */

.value-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(2.5rem, 7vw, 6rem);
  row-gap: clamp(3rem, 6vw, 4.5rem);
}

.value-block {
  padding-top: 1.35rem;
  border-top: 1px solid var(--hairline);
}

.value-block h3 {
  margin: 0 0 .75rem;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -0.022em;
}

.value-block p:last-child {
  margin: 0;
  color: var(--taupe);
  font-size: 1rem;
  line-height: 1.68;
}

.value-number {
  margin-bottom: 1.75rem;
  color: var(--accent-text);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
}

/* ---------- Steps ---------- */

.steps-section,
.chips-section { background: var(--surface-2); }

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  padding: 1.75rem 1.6rem 1.85rem;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--surface);
}

.step-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 1.35rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-size: .8125rem;
  font-weight: 600;
  line-height: 1;
}

.steps h3 {
  margin: 0 0 .6rem;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.022em;
}

.steps p:last-child {
  margin: 0;
  color: var(--taupe);
  font-size: .9375rem;
  line-height: 1.65;
}

/* ---------- Chips ---------- */

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  padding: .5rem .95rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--taupe);
  font-size: .875rem;
  font-weight: 400;
  line-height: 1.2;
}

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

.pricing-section { background: var(--paper); }

.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 1.5rem);
  margin-bottom: 1.75rem;
}

.plan {
  padding: 1.75rem 1.6rem;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--surface);
}

.plan.featured {
  padding: calc(1.75rem - 1px) calc(1.6rem - 1px);
  border: 2px solid var(--accent);
}

.plan-name {
  margin: 0 0 .9rem;
  color: var(--taupe);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  text-transform: none;
}

.plan-price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
}

.plan-price .amount {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.plan-price .per {
  color: var(--taupe);
  font-size: .9375rem;
  font-weight: 600;
}

.plan.trial .amount { color: var(--accent-text); }

.plan-note {
  margin: .7rem 0 0;
  color: var(--taupe);
  font-size: .875rem;
}

.plan-foot {
  max-width: 60ch;
  margin: 0;
  color: var(--taupe);
  font-size: .9375rem;
}

/* ---------- Closing ---------- */

.closing {
  padding-block: clamp(5rem, 12vw, 9rem);
  background: var(--paper);
}

.closing-line {
  max-width: 20ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.008em;
  line-height: 1.08;
}

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

.site-footer {
  background: var(--surface-2);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 2rem 2.25rem;
}

.footer-mark {
  margin: 0;
  color: var(--taupe);
  font-size: .8125rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: var(--taupe);
  font-size: .8125rem;
  font-weight: 400;
  text-decoration: none;
}

.footer-nav a:hover { color: var(--ink); }

/* ---------- Content pages ---------- */

.content-page {
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(4rem, 9vw, 6.5rem);
}

.content-page h1 {
  max-width: 18ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.1rem, 4.4vw, 3.1rem);
}

.page-intro {
  max-width: 62ch;
  margin-bottom: 2.5rem;
  color: var(--taupe);
  font-size: 1.125rem;
  line-height: 1.7;
}

.effective-date {
  display: inline-block;
  margin-bottom: 2.25rem;
  color: var(--accent-text);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  text-transform: none;
}

.policy-stack,
.faq-list {
  max-width: 68ch;
  border-top: 1px solid var(--hairline);
}

.policy-section,
.faq-item {
  padding-block: 1.85rem;
  border-bottom: 1px solid var(--hairline);
}

.policy-section h2,
.faq-item h3 {
  margin: 0 0 .65rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.022em;
}

.policy-section p,
.faq-item p {
  margin: 0;
  color: var(--taupe);
  line-height: 1.7;
}

.policy-section p + p,
.faq-item p + p { margin-top: .85rem; }

.contact-card {
  max-width: 68ch;
  margin-bottom: 2.75rem;
  padding: 1.6rem 1.75rem;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  background: var(--surface);
}

.contact-card p {
  margin: 0 0 .35rem;
  color: var(--taupe);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: -0.022em;
  text-transform: none;
}

.contact-card a {
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.022em;
  overflow-wrap: anywhere;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: 2; max-width: 560px; }
  .promise-points,
  .steps,
  .plans { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .promise-points { gap: 1.5rem; }
}

@media (max-width: 480px) {
  body { font-size: 1rem; }
  .site-nav { gap: 1.1rem; }
  .brand-mark { width: 34px; height: 34px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: .85rem; }
}

@media screen {
  @supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
      .reveal {
        animation: rise linear both;
        animation-timeline: view();
        animation-range: entry 5% cover 24%;
      }

      .steps li:nth-child(2),
      .plan:nth-child(2) { animation-range: entry 9%  cover 28%; }

      .steps li:nth-child(3),
      .plan:nth-child(3) { animation-range: entry 13% cover 32%; }
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}