/* happ-pc-setup-windowpane — design system
   Theme: windowpane. Petrol-ink desktop, coral active-window accent.
   Fonts: Tektur (display) + Golos Text (body) + JetBrains Mono (window bars only). */
@import url("fonts/fonts.css?v=20260903-stable");

:root {
  --bg: oklch(0.24 0.045 210);
  --bg-raise: oklch(0.28 0.05 205);
  --bg-raise-2: oklch(0.33 0.055 205);
  --ink: oklch(0.97 0.008 200);
  --muted: oklch(0.8 0.02 205);
  --coral: oklch(0.74 0.155 40);
  --coral-hover: oklch(0.79 0.14 40);
  --coral-deep: oklch(0.62 0.16 35);
  --coral-ink: oklch(0.25 0.05 40);
  --line: oklch(0.45 0.04 205);

  --font-display: "Tektur", "Segoe UI", system-ui, sans-serif;
  --font-body: "Golos Text", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;

  --s-2: 0.25rem;  --s-3: 0.5rem;  --s-4: 0.75rem;  --s-5: 1rem;
  --s-6: 1.5rem;   --s-7: 2rem;    --s-8: 3rem;     --s-9: 4rem;  --s-10: 6rem;

  --radius-win: 12px;
  --radius-btn: 10px;
  --container: min(1120px, 92vw);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.65 var(--font-body);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

.ui-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  color: currentColor;
  overflow: visible;
}
.ui-icon-xl { width: 4rem; height: 4rem; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.18; letter-spacing: -0.015em; text-wrap: balance; margin: 0 0 var(--s-5); }
h1 { font-size: clamp(2rem, 1.35rem + 2.8vw, 3.5rem); }
h2 { font-size: clamp(1.55rem, 1.2rem + 1.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem); font-weight: 500; }
p { margin: 0 0 var(--s-5); max-width: 68ch; }
p:last-child { margin-bottom: 0; }
a { color: var(--coral); text-decoration: underline; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:not(.btn):hover { text-decoration-thickness: 2px; }
strong { font-weight: 600; }
ul, ol { margin: 0 0 var(--s-5); padding-left: 1.35rem; }
li { margin-bottom: var(--s-3); max-width: 66ch; }
li:last-child { margin-bottom: 0; }

.lede { font-size: clamp(1.125rem, 1rem + 0.5vw, 1.2rem); color: var(--muted); max-width: 62ch; }
.win-label, .mono { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; color: var(--muted); }

.shell { width: var(--container); margin-inline: auto; }
.section { padding-block: clamp(3.2rem, 7vw, 6.5rem); }
.section + .section { padding-top: 0; }
.head-block { margin-bottom: var(--s-7); }
.head-block h1 + p, .head-block h2 + p { margin-top: calc(-1 * var(--s-4)); }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute; left: var(--s-4); top: -4rem; z-index: 100;
  background: var(--coral); color: var(--coral-ink); font-weight: 600;
  padding: 0.7rem 1.1rem; border-radius: var(--radius-btn); text-decoration: none;
  transition: top 0.15s ease-out;
}
.skip-link:focus { top: var(--s-4); }

/* ---------- focus ---------- */
:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 48px; padding: 0.72rem 1.5rem;
  border-radius: var(--radius-btn); border: 1px solid transparent;
  font: 600 1rem/1.2 var(--font-body); letter-spacing: 0.01em;
  text-decoration: none; cursor: pointer;
  transition: background-color 0.15s ease-out, border-color 0.15s ease-out, color 0.15s ease-out, transform 0.15s ease-out;
}
.btn-primary { position: relative; overflow: hidden; background: var(--coral); color: var(--coral-ink); }
.btn-primary:hover { background: var(--coral-hover); color: var(--coral-ink); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 32%, rgb(255 255 255 / 0.28) 48%, transparent 64%);
  transform: translateX(-120%); animation: shimmer 1.1s 1.2s ease-out both;
}
@keyframes shimmer { 45%, 100% { transform: translateX(120%); } }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--coral); color: var(--coral); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.btn-note { font-size: 0.9rem; color: var(--muted); margin-top: var(--s-4); max-width: 48ch; }
.btn[data-direct-download] { display: inline-grid; position: relative; overflow: hidden; }
.download-label, .download-done { grid-area: 1 / 1; display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem; transition: opacity 0.18s ease-out, transform 0.24s cubic-bezier(0.2, 0, 0, 1); }
.download-done { opacity: 0; transform: translateY(0.75rem); }
.btn[data-download-state="started"] { border-color: oklch(0.72 0.11 150); background: oklch(0.82 0.1 150); color: oklch(0.25 0.04 150); }
.btn[data-download-state="started"] .download-label { opacity: 0; transform: translateY(-0.75rem); }
.btn[data-download-state="started"] .download-done { opacity: 1; transform: none; }
.source-row[data-download-state="started"] { border-color: oklch(0.72 0.11 150); background: color-mix(in oklab, oklch(0.72 0.11 150) 12%, var(--bg-raise)); }
.source-row[data-download-state="started"] strong, .source-row[data-download-state="started"] .os-chip { color: oklch(0.82 0.1 150); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.header-row { display: flex; align-items: center; gap: var(--s-5); min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--ink); font: 600 1rem var(--font-display); letter-spacing: 0.02em; }
.brand svg { width: 30px; height: 30px; border-radius: 7px; flex: none; }
.brand .brand-sub { font: 400 0.75rem var(--font-mono); color: var(--muted); letter-spacing: 0.06em; display: block; margin-top: 1px; }
.nav { margin-left: auto; }
.nav ul { display: flex; flex-wrap: wrap; gap: var(--s-5); list-style: none; margin: 0; padding: 0; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; padding: 0.5rem 0; }
.nav a.nav-cta { color: var(--coral-ink); text-decoration: none; }
.nav a:hover:not(.nav-cta), .nav a[aria-current="page"] { color: var(--coral); }
.nav a.nav-cta:hover { color: var(--coral-ink); }
.header-cta { flex: none; }
.header-cta .btn { min-height: 44px; padding: 0.55rem 1.1rem; font-size: 0.9rem; }

.menu-toggle { display: none; }
.nav-cta-item { display: none; }
.header-cta .cta-short { display: none; }
@media (max-width: 920px) {
  .header-cta { margin-left: auto; }
  .header-cta .btn { min-height: 40px; padding: 0.5rem 0.85rem; font-size: 0.85rem; }
  .header-cta .cta-full { display: none; }
  .header-cta .cta-short { display: inline; }
  .header-row { gap: var(--s-4); }
  .menu-toggle { margin-left: 0; }
  .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center; margin-left: auto;
    min-width: 44px; min-height: 44px;
    background: none; border: 1px solid var(--line); border-radius: var(--radius-btn);
    color: var(--ink); font: 500 0.75rem var(--font-mono); cursor: pointer; padding: 0 0.8rem;
    letter-spacing: 0.06em;
    margin-left: 0;
  }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg-raise); border-bottom: 1px solid var(--line);
    padding: var(--s-4) var(--s-4) var(--s-6);
  }
  .nav[data-open="true"] { display: block; }
  .nav ul { flex-direction: column; gap: var(--s-4); }
  .nav a { display: block; font-size: 1rem; padding: 0.6rem 0; }
  .nav-cta-item { display: block; margin-top: var(--s-3); }
  .nav a.nav-cta {
    display: flex; align-items: center; justify-content: center; width: 100%;
    min-height: 48px; padding: 0.72rem 1.5rem; font-size: 1rem;
  }
}

/* ---------- window (signature component) ---------- */
.win {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius-win);
  overflow: hidden;
}
.win-bar {
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.6rem 1rem;
  background: var(--bg-raise-2);
  border-bottom: 1px solid var(--line);
}
.win-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); flex: none; }
.win-bar .dot-accent { background: var(--coral); }
.win-bar .win-label { margin-left: 0.35rem; letter-spacing: 0.05em; }
.win-body { padding: clamp(1.2rem, 3vw, 2rem); }
.win-body > :last-child { margin-bottom: 0; }

/* hero window composition */
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 4.5rem); align-items: center;
}
.editorial-hero { position: relative; overflow: hidden; min-height: calc(100svh - 64px); display: grid; align-items: center; padding-block: clamp(2.25rem, 5vw, 4.75rem); }
.editorial-grid { align-items: stretch; }
.editorial-grid .hero-copy { align-self: center; }
.hero-proof {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none; margin: var(--s-7) 0 0; padding: var(--s-5) 0 0;
  border-top: 1px solid var(--line); gap: var(--s-5);
}
.hero-proof li { margin: 0; min-width: 0; }
.hero-proof strong { display: block; font: 600 1rem var(--font-display); color: var(--ink); }
.hero-proof span { display: block; color: var(--muted); font-size: 0.78rem; line-height: 1.45; }
.hero-copy h1 { margin-bottom: var(--s-5); }
.hero-copy .lede { margin-bottom: var(--s-6); }
.hero-stack { display: grid; gap: var(--s-4); perspective: 900px; position: relative; }
.magic-spotlight::after {
  content: ""; position: absolute; inset: -3rem; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 68% 34%, oklch(0.74 0.155 40 / 0.16), transparent 42%);
  filter: blur(18px);
}
.border-beam { position: relative; isolation: isolate; }
.border-beam::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; border-radius: inherit;
  padding: 1px; background: conic-gradient(from var(--beam-angle, 0deg), transparent 0 72%, var(--coral-deep) 84%, var(--coral-hover) 91%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: border-beam 6s linear infinite;
}
@property --beam-angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes border-beam { to { --beam-angle: 360deg; } }
.hero-stack::before {
  content: ""; position: absolute; inset: -18% 0;
  background: radial-gradient(closest-side, oklch(0.36 0.07 200 / 0.5), transparent 72%);
  z-index: -1;
}
.hero-stack .win { transform: translateX(1.5rem); box-shadow: 0 4px 8px oklch(0.14 0.03 210 / 0.55); }
.hero-stack .win:first-child { transform: translateX(-0.75rem); }
.hero-stack .win[data-active="true"] { border-color: var(--coral-deep); transform: none; box-shadow: 0 4px 8px oklch(0.14 0.03 210 / 0.55); }
.hero-stack .win[data-active="true"] .win-bar { background: color-mix(in oklab, var(--coral-deep) 26%, var(--bg-raise-2)); }
.hero-stack .win-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.2rem; align-content: center; padding-block: 1.1rem; }
.hero-stack .win-body strong { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; font-size: 1rem; }
.hero-stack .win-body strong .ui-icon { width: 1rem; height: 1rem; color: var(--coral); }
.hero-stack .win-body span { color: var(--muted); font-size: 0.9rem; }
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .editorial-hero { min-height: 0; }
  .hero-stack { max-width: 26rem; }
  .hero-stack .win, .hero-stack .win:first-child { transform: none; }
}
@media (max-width: 520px) {
  h1 { overflow-wrap: anywhere; }
  .hero-proof { grid-template-columns: 1fr; gap: var(--s-4); }
  .hero-proof li { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: var(--s-4); align-items: baseline; }
}

/* ---------- steps ---------- */
.steps { display: grid; gap: var(--s-4); counter-reset: step; }
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--s-5); align-items: start; position: relative; }
.step:not(:last-child)::after {
  content: ""; position: absolute; left: 21px; top: 54px; bottom: -1rem;
  width: 1px; background: var(--line);
}
.step-num {
  font: 500 0.75rem var(--font-mono); color: var(--coral);
  border: 1px solid var(--line); border-radius: 8px;
  min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-raise); position: relative; z-index: 1;
  justify-self: start; padding-inline: 0.9rem;
}
.step h3 { margin-bottom: var(--s-3); }
.step p { color: var(--muted); margin-bottom: 0; }
@media (max-width: 640px) {
  .step { grid-template-columns: 44px minmax(0, 1fr); gap: var(--s-4); }
  .step-num { width: 44px; min-width: 44px; padding-inline: 0; }
  .step:not(:last-child)::after { left: 21px; }
  .btn-row .btn { flex: 1 1 100%; }
  .win-body .btn-row { width: 100%; }
}

/* ---------- platform rows ---------- */
.platform-list, .source-list { display: grid; gap: var(--s-4); }
.platform-row, .source-row {
  display: grid; grid-template-columns: auto 1fr auto; gap: var(--s-5); align-items: center;
  padding: var(--s-5) var(--s-6); text-decoration: none; color: var(--ink);
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius-win);
  transition: border-color 0.15s ease-out, background-color 0.15s ease-out;
}
.platform-row:hover, a.source-row:hover { border-color: var(--coral-deep); background: var(--bg-raise-2); }
.os-chip {
  width: 44px; height: 44px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-raise-2); border: 1px solid var(--line); border-radius: 10px;
  font: 500 0.75rem var(--font-mono); letter-spacing: 0.03em; color: var(--coral);
}
.platform-row:hover .os-chip, a.source-row:hover .os-chip { border-color: var(--coral-deep); }
.os-chip .ui-icon { color: inherit; }
.platform-row strong, .source-row strong { display: block; margin-bottom: 2px; color: var(--ink); }
.platform-row span:not(.os-chip), .source-row span:not(.os-chip) { color: var(--muted); font-size: 0.9rem; }
.platform-row .go, .source-row .go { font-size: 1rem; color: var(--coral); text-decoration: none; flex: none; }
.platform-row[data-recommended="true"] { border-color: var(--coral); background: color-mix(in oklab, var(--coral) 8%, var(--bg-raise)); box-shadow: 0 0 0 1px color-mix(in oklab, var(--coral) 18%, transparent); }
.platform-row[data-recommended="true"] .os-chip { border-color: var(--coral); background: var(--coral); color: var(--coral-ink); }
.platform-row span.platform-hint { display: inline-flex; width: fit-content; max-width: 100%; margin-top: 0.45rem; margin-inline-start: 0.5rem; padding: 0.2rem 0.5rem; border-radius: 999px; background: var(--coral); color: var(--coral-ink); font: 600 0.68rem var(--font-mono); letter-spacing: 0.03em; overflow-wrap: anywhere; }
.platform-row span.platform-hint[hidden], .platform-detection-status[hidden] { display: none; }
.platform-detection-status { width: fit-content; max-width: 100%; margin-top: var(--s-4); margin-bottom: 0; color: var(--coral); font-size: 0.9rem; }
.source-state { max-width: 9rem; text-align: right; font-family: var(--font-mono); line-height: 1.35; }
@media (max-width: 720px) {
  .platform-row, .source-row { grid-template-columns: auto minmax(0, 1fr) auto; padding-inline: var(--s-5); }
  .source-state { display: none; }
}

/* ---------- mobile platform guides ---------- */
.platform-hero { padding-top: clamp(3rem, 6vw, 5rem); }
.platform-visual { align-self: stretch; min-height: 25rem; }
.platform-visual .win-body { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s-7); align-items: center; height: calc(100% - 43px); }
.platform-mark {
  width: 8rem; height: 8rem; display: grid; place-items: center;
  color: var(--coral); background: var(--bg-raise-2); border: 1px solid var(--line); border-radius: 16px;
}
.status-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-5); }
.status-list li { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: var(--s-4); margin: 0; min-width: 0; }
.status-list .ui-icon { color: var(--coral); }
.status-list strong, .status-list small { display: block; }
.status-list small { color: var(--muted); font-size: 0.82rem; line-height: 1.4; }
.ios-decision-layout { display: grid; grid-template-columns: minmax(0, 7fr) minmax(16rem, 4fr); gap: var(--s-7); align-items: start; }
.ios-decision-list { position: relative; display: grid; gap: var(--s-4); }
.ios-decision-list::before { content: ""; position: absolute; left: 27px; top: 3rem; bottom: 3rem; width: 1px; background: var(--line); }
.ios-decision { position: relative; overflow: hidden; background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius-win); }
.ios-decision:last-child { border-style: dashed; }
.ios-decision-toggle { width: 100%; min-height: 76px; display: grid; grid-template-columns: 44px minmax(0, 1fr) 24px; align-items: center; gap: var(--s-4); padding: var(--s-4); border: 0; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.ios-decision-toggle:hover { background: var(--bg-raise-2); }
.ios-decision-toggle strong, .ios-decision-toggle small { display: block; }
.ios-decision-toggle strong { font-size: 1.05rem; }
.ios-decision-toggle small { margin-top: 0.15rem; color: var(--muted); line-height: 1.4; }
.ios-step-num { position: relative; z-index: 1; width: 36px; height: 36px; display: grid; place-items: center; justify-self: center; border: 1px solid var(--line); border-radius: 50%; background: var(--bg-raise); color: var(--muted); font: 500 0.7rem var(--font-mono); }
.ios-chevron { color: var(--muted); transition: transform 0.28s cubic-bezier(0.2, 0, 0, 1); }
.ios-decision-toggle[aria-expanded="true"] { border-bottom: 1px solid var(--line); }
.ios-decision-toggle[aria-expanded="true"] .ios-step-num { border-color: var(--coral); background: var(--coral); color: var(--coral-ink); }
.ios-decision-toggle[aria-expanded="true"] .ios-chevron { color: var(--coral); transform: rotate(180deg); }
.ios-decision-panel { display: grid; grid-template-rows: 1fr; opacity: 1; visibility: visible; }
.ios-decision-panel > div { min-height: 0; overflow: hidden; }
.ios-decision-body { padding: var(--s-6) var(--s-6) var(--s-6) 4.75rem; color: var(--muted); }
.ios-decision-body p { max-width: none; }
.js .ios-decision[data-decision-ready] .ios-decision-toggle[aria-expanded="false"] + .ios-decision-panel { grid-template-rows: 0fr; opacity: 0; visibility: hidden; }
.js .ios-decision[data-decision-ready] .ios-decision-panel { transition: grid-template-rows 0.34s cubic-bezier(0.2, 0, 0, 1), opacity 0.2s ease-out, visibility 0s; }
.js .ios-decision[data-decision-ready] .ios-decision-toggle[aria-expanded="false"] + .ios-decision-panel { transition: grid-template-rows 0.28s cubic-bezier(0.4, 0, 1, 1), opacity 0.15s ease-out, visibility 0s linear 0.28s; }
.ios-region-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, 0.9fr); gap: var(--s-7); }
.ios-region-steps { margin: 0; padding: 0; list-style: none; counter-reset: ios-region; display: grid; gap: var(--s-5); }
.ios-region-steps li { position: relative; margin: 0; padding-left: 2.4rem; counter-increment: ios-region; }
.ios-region-steps li::before { content: counter(ios-region, decimal-leading-zero); position: absolute; left: 0; top: 0.1rem; color: var(--coral); font: 500 0.7rem var(--font-mono); }
.ios-region-steps strong, .ios-region-steps span { display: block; }
.ios-region-steps span { margin-top: 0.2rem; color: var(--muted); }
.ios-incy-body { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--s-6); align-items: start; }
.ios-order-note { position: sticky; top: 5.5rem; }
.fallback-icon { width: 6rem; height: 6rem; display: grid; place-items: center; color: var(--coral); background: var(--bg-raise-2); border: 1px solid var(--line); border-radius: 14px; }
.incy-fallback { padding-top: 0; }
@media (max-width: 920px) {
  .platform-visual { min-height: 0; }
  .platform-visual .win-body, .ios-decision-layout, .ios-region-detail { grid-template-columns: 1fr; }
  .platform-mark { width: 6rem; height: 6rem; }
  .ios-order-note { position: static; order: -1; }
}
@media (max-width: 520px) {
  .platform-visual .win-body { gap: var(--s-6); }
  .ios-decision-toggle { grid-template-columns: 40px minmax(0, 1fr) 24px; gap: var(--s-3); padding-inline: var(--s-3); }
  .ios-decision-list::before { left: 23px; }
  .ios-decision-body { padding: var(--s-5) var(--s-4) var(--s-6) 3.5rem; }
  .ios-incy-body { grid-template-columns: 1fr; }
  .fallback-icon { width: 4.5rem; height: 4.5rem; }
}

/* ---------- pricing matrix (patterns ported from 21st.dev #1541 + #18963) ---------- */
.win-pricing { max-width: 60rem; }
.price-matrix { display: flex; flex-direction: column; }
.price-row {
  display: grid; grid-template-columns: minmax(9.5rem, 13rem) auto 1fr auto;
  gap: var(--s-5); align-items: center;
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.15s ease-out;
}
.price-row:last-child { border-bottom: none; }
.price-row:hover { background: var(--bg-raise-2); }
.price-row[data-featured="true"] { background: color-mix(in oklab, var(--coral-deep) 14%, var(--bg-raise)); }
.price-row[data-featured="true"]:hover { background: color-mix(in oklab, var(--coral-deep) 20%, var(--bg-raise)); }
.pr-term { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.pr-period { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; color: var(--muted); }
.price-row[data-featured="true"] .pr-period { color: var(--coral); }
.pr-tag {
  font: 600 0.7rem/1.2 var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--coral-ink); background: var(--coral);
  border-radius: 999px; padding: 0.28rem 0.6rem;
}
.pr-price { font: 600 1.7rem/1.1 var(--font-display); white-space: nowrap; }
.price-row[data-featured="true"] .pr-price { color: var(--coral); }
.pr-old { color: var(--muted); font: 500 1rem var(--font-body); text-decoration: line-through; margin-right: 0.55rem; }
.pr-note { color: var(--muted); font-size: 0.9rem; }
.pr-cta { min-height: 44px; padding: 0.55rem 1.2rem; font-size: 0.9rem; }
.price-note { margin-top: var(--s-5); color: var(--muted); font-size: 0.9rem; max-width: 60ch; }
@media (max-width: 760px) {
  .price-row { grid-template-columns: 1fr; gap: var(--s-4); padding: var(--s-5); }
  .pr-cta { width: 100%; }
  .pr-note { margin: -0.35rem 0 0; }
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: var(--s-4); }
.faq {
  background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius-win);
  padding: 0; overflow: hidden;
}
.faq-toggle {
  width: 100%; border: 0; border-bottom: 1px solid transparent; background: transparent; cursor: pointer; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  padding: 1rem 1.3rem; min-height: 48px;
  font: 600 1rem var(--font-body); color: var(--ink);
}
.faq-toggle:hover { background: var(--bg-raise-2); }
.faq-toggle:focus-visible { outline: 2px solid var(--coral); outline-offset: -3px; }
.faq-toggle[aria-expanded="true"] { border-bottom-color: var(--line); }
.faq-question { min-width: 0; overflow-wrap: anywhere; }
.faq-icon { position: relative; width: 2rem; height: 2rem; flex: none; border-radius: 50%; background: color-mix(in oklab, var(--coral) 10%, transparent); }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; left: 50%; top: 50%; width: 0.9rem; height: 2px; border-radius: 999px; background: var(--coral); transform: translate(-50%, -50%); }
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scaleX(1); }
.faq-toggle[aria-expanded="true"] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scaleX(0); }
.faq-panel { display: grid; grid-template-rows: 1fr; opacity: 1; visibility: visible; }
.faq-panel-inner { min-height: 0; overflow: hidden; }
.js .faq-toggle[aria-expanded="false"] + .faq-panel { grid-template-rows: 0fr; opacity: 0; visibility: hidden; }
.js .faq[data-faq-ready] .faq-toggle { transition: border-color 0.2s ease-out, background-color 0.2s ease-out; }
.js .faq[data-faq-ready] .faq-icon::after { transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1); }
.js .faq[data-faq-ready] .faq-panel { transition: grid-template-rows 0.36s cubic-bezier(0.2, 0, 0, 1), opacity 0.22s ease-out 0.05s, visibility 0s; }
.js .faq[data-faq-ready] .faq-toggle[aria-expanded="false"] + .faq-panel { transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 1, 1), opacity 0.16s ease-out, visibility 0s linear 0.3s; }
.faq-body { padding: 1rem 1.3rem 1.3rem; color: var(--muted); }
.faq-body p { max-width: none; }
.faq-body a { color: var(--coral); }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-win); }
table { width: 100%; border-collapse: collapse; background: var(--bg-raise); font-size: 0.9rem; }
th, td { text-align: left; padding: 0.8rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 0.75rem var(--font-mono); letter-spacing: 0.04em; color: var(--muted); }
tr:last-child td { border-bottom: none; }
td a { color: var(--coral); }

/* ---------- diagnostics ---------- */
.diag { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s-4); }
.diag-item { min-width: 0; border-left: 0; padding: var(--s-5) var(--s-6); background: var(--bg-raise); border: 1px solid var(--line); border-radius: var(--radius-win); }
.diag-item h3 { margin-bottom: var(--s-3); }
.diag-item p { color: var(--muted); margin-bottom: var(--s-4); }
.diag-item code { font-family: var(--font-mono); font-size: 0.85em; background: var(--bg-raise-2); border-radius: 6px; padding: 0.1em 0.4em; }

/* ---------- coral CTA band (committed finish) ---------- */
.cta-band-section { padding-block: clamp(3rem, 6vw, 5.5rem); }
.cta-band {
  display: flex; flex-wrap: wrap; gap: var(--s-6); align-items: center; justify-content: space-between;
  background: var(--coral); border-radius: var(--radius-win);
  padding: 2.5rem 2.25rem;
}
.cta-band-copy h2 { color: var(--coral-ink); margin-bottom: var(--s-3); }
.cta-band-copy p { color: oklch(0.3 0.06 40); margin: 0; max-width: 44ch; font-weight: 500; }
.btn-ink { background: var(--coral-ink); color: var(--coral); }
.btn-ink:hover { background: oklch(0.3 0.06 40); color: var(--ink); }
.btn-ink-ghost { background: transparent; color: var(--coral-ink); border-color: oklch(0.45 0.08 38); }
.btn-ink-ghost:hover { border-color: var(--coral-ink); color: var(--coral-ink); }
@media (max-width: 640px) {
  .cta-band { flex-direction: column; align-items: stretch; padding: 1.9rem 1.5rem; }
  .cta-band > * { width: 100%; max-width: 100%; min-width: 0; }
  .cta-band .btn-row { width: 100%; }
  .cta-band .btn { width: 100%; min-width: 0; padding-inline: var(--s-4); text-align: center; white-space: normal; overflow-wrap: anywhere; }
}

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); margin-top: var(--s-10); padding-block: var(--s-8) var(--s-6); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 2.4fr); gap: var(--s-7) var(--s-8); align-items: start; }
.footer-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-6); }
.footer-head { margin: 0 0 var(--s-4); font: 400 0.75rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--coral); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-3); }
.footer-col a { color: var(--muted); text-decoration: none; font-size: 0.9rem; line-height: 1.45; display: inline-block; padding: 0.15rem 0; transition: color 160ms ease; }
.footer-col a:hover { color: var(--coral); }
.footer-note { color: var(--muted); font-size: 0.9rem; max-width: 40ch; margin: var(--s-5) 0 0; }
.footer-bottom { margin-top: var(--s-7); padding-top: var(--s-5); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6); justify-content: space-between; color: var(--muted); font: 400 0.8rem var(--font-mono); letter-spacing: 0.04em; }
@media (max-width: 920px) { .footer-grid { grid-template-columns: 1fr; gap: var(--s-7); } .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .footer-nav { grid-template-columns: 1fr 1fr; } .footer-col:last-child { grid-column: 1 / -1; } }
@media (max-width: 380px) { .footer-nav { grid-template-columns: 1fr; } }

/* ---------- page-load motion ---------- */
.js .reveal { opacity: 1; transform: none; }
.js .reveal[data-shown="true"] { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal[data-shown="true"] { opacity: 1; transform: none; transition: none; }
}
.ease-out-quint { transition-timing-function: cubic-bezier(0.23, 1, 0.32, 1); }

/* ---------- guide layout: content + sticky rail (fills the desktop right column) ---------- */
.guide-layout { display: grid; grid-template-columns: minmax(0, 7fr) minmax(17rem, 5fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.guide-main { min-width: 0; }
.guide-main > .head-block { margin-bottom: var(--s-8); }
.guide-main .steps + h2, .guide-main .diag + h2, .guide-main .two-col + h2 { margin-top: var(--s-8); }
.guide-main > h2 + .two-col { margin-top: var(--s-6); }
.guide-rail { position: sticky; top: 5.5rem; display: grid; gap: var(--s-5); min-width: 0; }
.guide-rail .win-body h3 { font-size: 1.15rem; }
.guide-rail .btn { width: 100%; }
.guide-rail .btn + p { margin-top: var(--s-4); }
.rail-list { list-style: none; padding: 0; margin: 0 0 var(--s-5); display: grid; gap: var(--s-3); }
.rail-list li { position: relative; margin: 0; padding-left: 1.35rem; color: var(--muted); font-size: 0.95rem; line-height: 1.5; max-width: none; }
.rail-list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 0.5rem; height: 0.5rem; border-radius: 2px; background: var(--coral); }
.rail-list li:last-child { margin-bottom: 0; }
.rail-list a { overflow-wrap: anywhere; }
.rail-list small { display: block; color: var(--muted); font-size: 0.8rem; }
.rail-price { display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-6); margin: 0 0 var(--s-5); padding: 0; list-style: none; }
.rail-price li { margin: 0; }
.rail-price strong { display: block; font: 600 1.35rem/1.1 var(--font-display); color: var(--ink); }
.rail-price span { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 0.15rem; }
@media (max-width: 920px) {
  .guide-layout { grid-template-columns: 1fr; gap: var(--s-8); }
  .guide-rail { position: static; }
}

/* ---------- helpers ---------- */
.mt-6 { margin-top: var(--s-6); }
.mt-8 { margin-top: var(--s-8); }
.text-muted { color: var(--muted); }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--s-6); }
.check-list { list-style: none; padding: 0; }
.check-list li { padding-left: 1.7rem; position: relative; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 0.42em;
  width: 0.62rem; height: 0.62rem; border-radius: 2px; background: var(--coral);
}

/* ---------- motion pack (ported from 21st.dev #7937, #1507, #1541) ---------- */
/* hero copy enters without rewriting the heading glyphs */
@keyframes char-in { to { opacity: 1; transform: translateY(0); filter: blur(0); } }

.js .hero-copy .lede, .js .hero-copy .btn-row, .js .hero-copy .btn-note { opacity: 0; transform: translateY(10px); animation: char-in 0.45s cubic-bezier(0.33, 1, 0.68, 1) forwards; }
.js .hero-copy .lede { animation-delay: 0.55s; }
.js .hero-copy .btn-row { animation-delay: 0.7s; }
.js .hero-copy .btn-note { animation-delay: 0.85s; }

/* liquid aurora behind hero (21st #7937 concept, petrol/coral variant) */
.hero-bg { position: absolute; inset: 0; overflow: hidden; z-index: 0; pointer-events: none; }
.hero-bg .blob { position: absolute; filter: blur(52px); }
.hero-bg .blob-1 { width: 30rem; height: 22rem; left: 3%; top: 4%; opacity: 0.32; background: oklch(0.42 0.08 200); animation: drift-a 22s ease-in-out infinite alternate; }
.hero-bg .blob-2 { width: 24rem; height: 18rem; right: 4%; bottom: 6%; opacity: 0.22; background: oklch(0.55 0.1 45); animation: drift-b 26s ease-in-out infinite alternate; }
@keyframes drift-a { from { transform: translate3d(0, 0, 0) scale(1); border-radius: 42% 58% 55% 45%; } to { transform: translate3d(2.6rem, 1.4rem, 0) scale(1.1); border-radius: 58% 42% 45% 55%; } }
@keyframes drift-b { from { transform: translate3d(0, 0, 0) scale(1.05); border-radius: 55% 45% 48% 52%; } to { transform: translate3d(-2.2rem, -1.2rem, 0) scale(0.94); border-radius: 45% 55% 58% 42%; } }
.hero-grid { position: relative; z-index: 1; }

/* magnetic primary button (21st #1507 pattern) */
.btn-primary[data-magnetic] { transition: transform 0.18s cubic-bezier(0.33, 1, 0.68, 1), background-color 0.15s ease-out, color 0.15s ease-out; will-change: transform; }

/* price count-up keeps width stable */
.pr-num { display: inline-block; font-variant-numeric: tabular-nums; }

/* steps connector draw + platform arrow slide */
.js .steps .step::after { transform: scaleY(0); transform-origin: top; transition: transform 0.6s cubic-bezier(0.33, 1, 0.68, 1); }
.js .steps[data-in-view] .step::after { transform: scaleY(1); }
.platform-row .go, .source-row .go { transition: transform 0.15s ease-out; }
.platform-row:hover .go, a.source-row:hover .go { transform: translateX(4px); }

/* active window coral dot breath */
.win[data-active="true"] .dot-accent { animation: dot-breathe 2.4s ease-in-out infinite alternate; }
@keyframes dot-breathe { from { transform: scale(1); } to { transform: scale(1.35); } }

@media (prefers-reduced-motion: reduce) {
  .js .hero-copy .lede, .js .hero-copy .btn-row, .js .hero-copy .btn-note,
  .hero-bg .blob, .win[data-active="true"] .dot-accent { animation: none !important; opacity: 1 !important; transform: none !important; filter: none !important; }
  .faq-panel, .faq-toggle, .faq-icon::after, .ios-decision-panel, .ios-chevron, .download-label, .download-done { transition: none !important; }
  .js .steps .step::after { transform: scaleY(1); transition: none; }
  .btn-primary::after, .border-beam::before { animation: none !important; }
}