/* Hallmark · macrostructure: Narrative Workflow · tone: atmospheric / technical · anchor hue: ember 35°
 * see tokens.css for the full stamp */
@import url("tokens.css");

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* two fixed blooms, no animation */
body::before, body::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
}
body::before {
  width: 60vw; height: 60vw; max-width: 900px; max-height: 900px;
  top: -20vw; right: -15vw;
  background: radial-gradient(closest-side, var(--color-bloom), transparent 70%);
}
body::after {
  width: 50vw; height: 50vw; max-width: 760px; max-height: 760px;
  bottom: -20vw; left: -15vw;
  background: radial-gradient(closest-side, var(--color-bloom-2), transparent 70%);
}
img, svg, video { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: var(--leading-tight);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}
h1 { font-size: var(--text-display-s); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-xl); letter-spacing: -0.02em; }
p { margin: 0; max-width: var(--measure); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-3); }
.muted { color: var(--color-ink-3); }
.lede { font-size: var(--text-md); color: var(--color-ink-2); }
@media (min-width: 720px) { .lede { font-size: var(--text-lg); } }

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

/* ---------- buttons ---------- */
.btn {
  --btn-bg: var(--color-paper-3);
  --btn-fg: var(--color-ink);
  --btn-line: var(--color-line-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 48px; padding: 0.75rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-line);
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 600; font-size: var(--text-base); line-height: 1;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.btn:hover, .btn.is-hover { --btn-bg: var(--color-paper-4); }
.btn:active, .btn.is-active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }
.btn--primary { --btn-bg: var(--color-accent); --btn-fg: var(--color-accent-ink); --btn-line: transparent; }
.btn--primary:hover, .btn--primary.is-hover { --btn-bg: var(--color-accent-hover); box-shadow: 0 10px 40px -10px var(--color-accent-line); }
.btn--ghost { --btn-bg: transparent; --btn-line: var(--color-line-2); }
.btn--lg { min-height: 56px; padding: 1rem 1.75rem; font-size: var(--text-md); }
.btn--block { width: 100%; }
.btn[data-state="loading"] { pointer-events: none; }
.btn[data-state="loading"] .btn__label { opacity: 0.6; }
.btn[data-state="loading"]::after {
  content: ""; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- nav: N5 floating pill ---------- */
.nav {
  position: sticky; top: var(--space-sm); z-index: 50;
  display: flex; justify-content: center;
  padding-inline: var(--space-sm);
  pointer-events: none;
}
.nav__pill {
  pointer-events: auto;
  display: flex; align-items: center; gap: var(--space-xs);
  width: 100%; max-width: 920px;
  padding: 0.4rem 0.5rem 0.4rem 1rem;
  border-radius: var(--radius-pill);
  background: oklch(17% 0.014 60 / 0.72);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid oklch(100% 0 0 / 0.08);
  box-shadow: 0 20px 60px -30px oklch(0% 0 0 / 0.8);
}
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-weight: 700; letter-spacing: -0.02em; text-decoration: none; font-size: var(--text-md); }
.brand__mark { width: 22px; height: 22px; flex: none; }
.nav__links { display: none; gap: 0.25rem; margin-left: auto; }
.nav__links a { padding: 0.5rem 0.8rem; border-radius: var(--radius-pill); text-decoration: none; color: var(--color-ink-2); font-size: var(--text-sm); font-weight: 500; white-space: nowrap; }
.nav__links a:hover { background: oklch(100% 0 0 / 0.06); color: var(--color-ink); }
.nav__cta { margin-left: auto; min-height: 40px; padding: 0.5rem 1rem; font-size: var(--text-sm); }
.nav__signin { display: none; }
@media (min-width: 720px) {
  .nav__links { display: flex; }
  .nav__cta { margin-left: 0; }
  .nav__signin { display: inline-flex; }
}

/* ---------- hero: H2 split diptych ---------- */
.hero { padding: var(--space-lg) 0 var(--space-xl); }
.hero__grid { display: grid; gap: var(--space-lg); grid-template-columns: minmax(0, 1fr); align-items: center; }
.hero h1 { max-width: 14ch; }
.hero .lede { margin-top: var(--space-md); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-lg); }
.hero__meta { margin-top: var(--space-md); display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-md); }
.hero__meta li { list-style: none; display: inline-flex; align-items: center; gap: 0.4rem; color: var(--color-ink-3); font-size: var(--text-sm); }
.hero__meta ul { padding: 0; margin: 0; display: contents; }
.hero__meta li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }
@media (min-width: 900px) {
  .hero { padding: var(--space-2xl) 0 var(--space-3xl); }
  .hero__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 6fr); gap: var(--space-2xl); }
}
@media (min-width: 1600px) { .hero h1 { font-size: var(--text-display); } }

/* swap diagram (Tier A/B: CSS + inline SVG, no assets) */
.swap {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: var(--space-xs);
  align-items: center;
  padding: var(--space-sm);
  background: var(--color-paper-2);
  border: 1px solid oklch(100% 0 0 / 0.06);
  border-radius: var(--radius-lg);
  box-shadow: 0 40px 120px -40px oklch(0% 0 0 / 0.9);
}
.swap__frame {
  position: relative; aspect-ratio: 9 / 16; min-width: 0;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--color-paper-3), var(--color-paper-2));
  border: 1px solid oklch(100% 0 0 / 0.06);
  overflow: hidden;
}
.swap__frame svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.swap__tag {
  position: absolute; top: 0.6rem; left: 0.6rem;
  padding: 0.25rem 0.55rem; border-radius: var(--radius-pill);
  background: oklch(0% 0 0 / 0.5); color: var(--color-ink-2);
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.swap__frame--result .swap__tag { background: var(--color-accent); color: var(--color-accent-ink); }
.swap__arrow { display: grid; place-items: center; color: var(--color-accent); }
.swap__arrow svg { width: 28px; height: 28px; }
.swap__legend {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-2xs);
  margin-top: var(--space-2xs);
}
.swap__legend div { padding: 0.6rem 0.75rem; border-radius: var(--radius-sm); background: var(--color-paper-3); font-size: var(--text-xs); color: var(--color-ink-3); line-height: 1.35; }
.swap__legend strong { display: block; color: var(--color-ink); font-weight: 600; margin-bottom: 0.15rem; }
.swap__legend strong.keep { color: var(--color-ok); }
.swap__legend strong.change { color: var(--color-accent); }

/* ---------- sections ---------- */
.section { padding: var(--space-xl) 0; }
.section--tight { padding: var(--space-xl) 0; }
.section__head { max-width: 40ch; margin-bottom: var(--space-lg); }
.section__head h2 { margin-top: var(--space-2xs); }
.section__head p { margin-top: var(--space-sm); color: var(--color-ink-2); }
@media (min-width: 900px) { .section { padding: var(--space-3xl) 0; } .section__head { margin-bottom: var(--space-xl); } }

/* ---------- workflow: F4 step sequence (narrative) ---------- */
.steps { display: grid; gap: var(--space-sm); grid-template-columns: minmax(0, 1fr); counter-reset: step; padding: 0; margin: 0; list-style: none; }
.step {
  position: relative;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-paper-2);
  border: 1px solid oklch(100% 0 0 / 0.05);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.step:hover { transform: translateY(-2px); box-shadow: 0 30px 60px -30px var(--color-accent-line); }
.step__num { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-accent); letter-spacing: 0.06em; }
.step h3 { margin-top: var(--space-xs); }
.step p { margin-top: var(--space-2xs); color: var(--color-ink-2); font-size: var(--text-sm); }
.step__tool { margin-top: var(--space-sm); display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.65rem; border-radius: var(--radius-pill); background: var(--color-paper-3); font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-ink-3); }
.step__tool--you { color: var(--color-ok); }
.step__tool--ext { color: var(--color-ink-2); }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); } }
@media (min-width: 1200px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } .step { padding: var(--space-lg); } }

/* ---------- inside: feature tiles (irregular) ---------- */
.inside { display: grid; gap: var(--space-sm); grid-template-columns: minmax(0, 1fr); }
.tile {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-paper-2);
  border: 1px solid oklch(100% 0 0 / 0.05);
  min-width: 0;
}
.tile--accent { background: linear-gradient(160deg, var(--color-paper-3), var(--color-paper-2)); border-color: var(--color-accent-line); }
.tile h3 { margin-top: var(--space-xs); }
.tile p { margin-top: var(--space-2xs); color: var(--color-ink-2); font-size: var(--text-sm); }
.tile ul { margin: var(--space-sm) 0 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
.tile li { display: flex; gap: 0.6rem; font-size: var(--text-sm); color: var(--color-ink-2); }
.tile li::before { content: ""; flex: none; width: 16px; height: 16px; margin-top: 0.2rem; border-radius: 50%; background: var(--color-accent-soft); box-shadow: inset 0 0 0 1px var(--color-accent-line); }
.tile li strong { color: var(--color-ink); }
.tile--demo { display: grid; gap: var(--space-sm); }
.promptcard {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.6; color: var(--color-ink-2);
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.promptcard b { color: var(--color-accent); font-weight: 500; }
@media (min-width: 720px) {
  .inside { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--space-md); }
  .tile { grid-column: span 3; }
  .tile--wide { grid-column: span 6; }
}
@media (min-width: 1200px) {
  .tile { grid-column: span 2; padding: var(--space-lg); }
  .tile--wide { grid-column: span 4; }
}

/* ---------- pricing ---------- */
.pricing { display: grid; gap: var(--space-sm); grid-template-columns: minmax(0, 1fr); }
.plan {
  position: relative; min-width: 0;
  display: flex; flex-direction: column;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-paper-2);
  border: 1px solid oklch(100% 0 0 / 0.06);
}
.plan--featured { border-color: var(--color-accent-line); background: linear-gradient(170deg, var(--color-paper-3), var(--color-paper-2)); box-shadow: 0 40px 100px -50px var(--color-accent-line); }
.plan__badge { position: absolute; top: -0.8rem; left: var(--space-md); padding: 0.3rem 0.7rem; border-radius: var(--radius-pill); background: var(--color-accent); color: var(--color-accent-ink); font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.plan h3 { font-size: var(--text-lg); }
.plan__price { margin-top: var(--space-sm); display: flex; align-items: baseline; gap: 0.35rem; font-family: var(--font-display); letter-spacing: -0.03em; }
.plan__price .amt { font-size: var(--text-3xl); font-weight: 600; font-variant-numeric: tabular-nums; }
.plan__price .per { color: var(--color-ink-3); font-size: var(--text-sm); }
.plan__for { margin-top: var(--space-2xs); color: var(--color-ink-3); font-size: var(--text-sm); }
.plan ul { margin: var(--space-md) 0; padding: 0; list-style: none; display: grid; gap: 0.6rem; flex: 1; }
.plan li { display: flex; gap: 0.6rem; font-size: var(--text-sm); color: var(--color-ink-2); }
.plan li::before { content: "✓"; color: var(--color-ok); font-weight: 700; flex: none; }
.plan li.no { color: var(--color-ink-4); }
.plan li.no::before { content: "—"; color: var(--color-ink-4); }
.plan__note { margin-top: var(--space-xs); text-align: center; font-size: var(--text-xs); color: var(--color-ink-3); }
.plan__error { margin-top: var(--space-xs); font-size: var(--text-sm); color: var(--color-danger); display: none; }
.plan__error.is-visible { display: block; }
@media (min-width: 720px) { .pricing { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); max-width: 920px; } .plan { padding: var(--space-lg); } }

/* ---------- cost honesty table ---------- */
.costs { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.costs th, .costs td { text-align: left; padding: 0.85rem 0; border-bottom: var(--rule); vertical-align: top; }
.costs th { font-weight: 500; color: var(--color-ink-2); }
.costs td { color: var(--color-ink-3); }
.costs td:last-child, .costs th:last-child { text-align: right; white-space: nowrap; padding-left: var(--space-sm); color: var(--color-ink); font-variant-numeric: tabular-nums; }
@media (max-width: 719px) {
  .costs, .costs tbody { display: block; }
  .costs tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.2rem var(--space-sm); padding: 0.85rem 0; border-bottom: var(--rule); }
  .costs th, .costs td { display: block; padding: 0; border: 0; }
  .costs th { grid-column: 1; grid-row: 1; color: var(--color-ink); }
  .costs td:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .costs td:last-child { grid-column: 2; grid-row: 1; }
}

/* ---------- faq ---------- */
.faq { display: grid; gap: 0; border-top: var(--rule); max-width: var(--shell-narrow); }
.faq details { border-bottom: var(--rule); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-sm);
  padding: var(--space-sm) 0; font-weight: 600; font-size: var(--text-md);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--color-paper-3); color: var(--color-ink-2); font-weight: 400; transition: transform var(--dur-base) var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 var(--space-sm); color: var(--color-ink-2); }

/* ---------- cta ---------- */
.cta { text-align: center; padding: var(--space-xl) 0 var(--space-2xl); }
.cta h2 { margin-inline: auto; max-width: 16ch; }
.cta p { margin: var(--space-sm) auto 0; }
.cta .btn { margin-top: var(--space-lg); }

/* ---------- footer: Ft5 statement ---------- */
.footer { padding: var(--space-xl) 0 var(--space-lg); border-top: 1px solid oklch(100% 0 0 / 0.06); }
.footer__statement { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.03em; font-size: var(--text-2xl); max-width: 22ch; line-height: 1.1; }
.footer__row { margin-top: var(--space-xl); display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); align-items: center; color: var(--color-ink-3); font-size: var(--text-sm); }
.footer__row a { text-decoration: none; white-space: nowrap; }
.footer__row a:hover { color: var(--color-ink); }
.footer__legal { margin-top: var(--space-md); color: var(--color-ink-4); font-size: var(--text-xs); max-width: 70ch; }
@media (min-width: 900px) { .footer__statement { font-size: var(--text-3xl); } }

/* ---------- forms (login) ---------- */
.field { display: grid; gap: 0.4rem; }
.field label { font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); }
.input {
  width: 100%; min-height: 48px; padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--color-paper);
  border: 1px solid var(--color-line-2);
  color: var(--color-ink); font: inherit;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.input::placeholder { color: var(--color-ink-4); }
.input:hover { border-color: var(--color-ink-4); }
.input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; border-color: var(--color-focus); }
.input[aria-invalid="true"] { border-color: var(--color-danger); }
.input:disabled { opacity: 0.5; }
.input--code { font-family: var(--font-mono); font-size: var(--text-xl); letter-spacing: 0.35em; text-align: center; }
.form-msg { font-size: var(--text-sm); min-height: 1.4em; }
.form-msg.is-error { color: var(--color-danger); }
.form-msg.is-ok { color: var(--color-ok); }
.card { padding: var(--space-md); border-radius: var(--radius-lg); background: var(--color-paper-2); border: 1px solid oklch(100% 0 0 / 0.06); }
@media (min-width: 720px) { .card { padding: var(--space-lg); } }

/* ---------- reveal (fade only) ---------- */
html.js .fade { opacity: 0; transform: translateY(6px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
html.js .fade.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 120ms !important; }
  .fade { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* examples: before / after */
.compare { display: grid; gap: var(--space-sm); grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.compare__item { margin: 0; min-width: 0; border-radius: var(--radius-lg); overflow: hidden; background: var(--color-paper-2); border: 1px solid oklch(100% 0 0 / 0.06); }
.compare__item--result { border-color: var(--color-accent-line); }
.compare__item--photo { grid-column: 1 / -1; max-width: 420px; }
.compare__item video, .compare__item img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; display: block; background: var(--color-paper); }
.compare__item figcaption { display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 0.9rem; font-size: var(--text-xs); color: var(--color-ink-3); }
.compare__item figcaption .swap__tag { position: static; }
.compare__item--result figcaption .swap__tag { background: var(--color-accent); color: var(--color-accent-ink); }
@media (min-width: 900px) { .compare { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); max-width: 1100px; } .compare__item--photo { grid-column: auto; max-width: none; } }