:root {
  --bg: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --soft: #f5f5f7;
  --card: #f5f5f7;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-text: #ffffff;
  --g1: #1fa855;
  --g2: #7ddc6f;
  --hero-g1: #1d1d1f;
  --hero-g2: #515154;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #f5f5f7;
    --muted: #86868b;
    --line: #2c2c2e;
    --soft: #111113;
    --card: #161617;
    --accent: #2997ff;
    --accent-hover: #40a2ff;
    --accent-text: #ffffff;
    --g1: #30d158;
    --g2: #a8f08c;
    --hero-g1: #ffffff;
    --hero-g2: #a1a1a6;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.52 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  font-size: 0.9em;
  background: color-mix(in srgb, var(--text) 7%, transparent);
  padding: 2px 6px;
  border-radius: 6px;
}

.wrap { max-width: 780px; margin: 0 auto; padding-left: 22px; padding-right: 22px; }
.wrap-wide { max-width: 1024px; margin: 0 auto; padding-left: 22px; padding-right: 22px; }

/* Sticky Apple Local Nav Bar */
.bar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
}
.bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 52px;
}
.mark {
  color: var(--text); font-weight: 600; font-size: 21px;
  letter-spacing: -0.025em;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
}
.mark:hover { text-decoration: none; }
nav { display: flex; align-items: center; gap: 24px; }
nav a { color: var(--muted); font-size: 12px; letter-spacing: -0.01em; transition: color 0.15s ease; }
nav a:hover { color: var(--text); text-decoration: none; }
.nav-buy {
  background: var(--accent); color: #ffffff !important;
  padding: 4px 12px; border-radius: 980px; font-weight: 500;
}
.nav-buy:hover { background: var(--accent-hover); }

/* Typography & Section Rhythm */
section { padding-top: 80px; padding-bottom: 16px; }
.section-tight { padding-top: 56px; }
.section-head { margin-bottom: 56px; }
.eyebrow {
  font-size: 17px; font-weight: 600; color: var(--muted);
  margin: 0 0 8px; letter-spacing: -0.01em;
}
h1, h2, h3 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  letter-spacing: -0.03em; margin: 0;
}
h1 { font-size: clamp(40px, 6.8vw, 72px); line-height: 1.05; font-weight: 700; letter-spacing: -0.038em; }
h2 { font-size: clamp(32px, 4.8vw, 52px); line-height: 1.08; font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 22px; line-height: 1.2; font-weight: 600; margin-bottom: 10px; }
.lead { font-size: clamp(19px, 2.4vw, 24px); line-height: 1.38; color: var(--muted); margin: 20px auto 0; max-width: 32em; font-weight: 400; }
.sub { color: var(--muted); font-size: 19px; line-height: 1.45; max-width: 36em; margin: 0 0 24px; }
.fine { color: var(--muted); font-size: 13px; line-height: 1.45; margin: 16px 0 0; }

/* Hero */
.hero { padding-top: 64px; padding-bottom: 16px; text-align: center; }
.hero-copy { max-width: 820px; margin: 0 auto; }
.echo {
  margin: 0 0 18px;
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 500;
  color: var(--muted);
  display: flex; justify-content: center; flex-wrap: wrap; gap: 16px;
}
.echo span { opacity: 0.4; transition: opacity 0.7s ease; }
.echo.in span:nth-child(1) { opacity: 0.55; }
.echo.in span:nth-child(2) { opacity: 0.75; transition-delay: 0.2s; }
.echo.in span:nth-child(3) { opacity: 0.95; transition-delay: 0.4s; }
.grad-text {
  background: linear-gradient(180deg, var(--hero-g1) 0%, var(--hero-g2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.vow-card {
  display: inline-block;
  margin-top: 32px;
  padding: 12px 24px;
  background: var(--soft);
  border-radius: 980px;
  border: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
}
.vow-line {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.6;
}
.picker {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 2px 6px; margin: 0 4px; white-space: nowrap;
}
.picker output { min-width: 5.4em; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; }
.step {
  appearance: none; border: 0; background: var(--soft); color: var(--text);
  width: 28px; height: 28px; border-radius: 50%; font-size: 18px; line-height: 1; cursor: pointer;
  transition: background 0.15s ease;
}
.step:hover { background: var(--line); }
.step:focus-visible, .btn:focus-visible, summary:focus-visible, .expand-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
#backAt { font-weight: 600; font-variant-numeric: tabular-nums; }

.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-actions, .close-actions { justify-content: center; }
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 980px;
  font-size: 17px; font-weight: 500; letter-spacing: -0.01em;
  border: 1px solid var(--line); color: var(--text); background: transparent;
  transition: all 0.18s ease;
}
.btn:hover { text-decoration: none; background: var(--soft); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #ffffff; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.secondary { background: var(--soft); border-color: transparent; }
.btn.secondary:hover { background: color-mix(in srgb, var(--soft) 75%, var(--line)); }

/* Hero & Bento Shots */
.shot { margin: 0; }
.shot img, .bento-shot img {
  display: block; width: 100%; height: auto; border-radius: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}
.hero-shot { margin-top: 48px; }

.bento-prose {
  background: var(--card);
  border-radius: 28px;
  padding: 48px;
}
.bento-prose h2 { margin-bottom: 20px; }
.bento-prose p { font-size: 21px; line-height: 1.48; color: var(--muted); margin: 0 0 16px; max-width: 32em; }
.bento-prose .eyebrow { font-size: 17px; margin-bottom: 8px; }
.bento-prose .highlight-line { color: var(--text); font-weight: 600; margin-bottom: 0; }

.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.bento-shot {
  margin: 0; background: var(--card); border-radius: 28px; padding: 24px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.bento-shot figcaption { color: var(--muted); font-size: 16px; line-height: 1.45; margin-top: 18px; }
.bento-shot figcaption strong { color: var(--text); font-weight: 600; }
.bento-wide { padding: 28px; }

/* Apple Bento 3-Column Grid */
.bento-grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.bento-card {
  background: var(--card); border-radius: 24px; padding: 32px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.bento-card p { color: var(--muted); margin: 0; font-size: 16px; line-height: 1.5; }
.bento-card .card-link { margin-top: 16px; font-weight: 500; }

/* Spec List */
.list { margin: 0; border-top: 1px solid var(--line); }
.list div { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.list dt { font-weight: 600; font-size: 18px; letter-spacing: -0.01em; }
.list dd { margin: 0; color: var(--muted); font-size: 17px; }

/* Apple Performance Stats Bento ("Power on full display") */
.bento-dark {
  background: var(--card);
  border-radius: 28px;
  padding: 40px 48px;
}
.bento-dark > .facts:first-child { margin-top: 0; border: 0; }
.facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin: 32px 0 0; padding: 32px 0;
}
.facts strong.metric {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--g1), var(--g2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}
.facts span { color: var(--muted); font-size: 15px; font-weight: 500; }

/* Compare Table */
.bento-table {
  background: var(--card);
  border-radius: 28px;
  padding: 40px 44px;
}
.table-scroll { overflow-x: auto; margin: 0 -12px; padding: 0 12px; }
table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); }
thead th { font-weight: 600; font-size: 17px; padding-bottom: 18px; }
tbody th { font-weight: 500; color: var(--muted); width: 22%; }
td { color: var(--muted); }
.us { color: var(--text); font-weight: 600; }
tbody td.us { font-weight: 400; }
tbody td strong, tbody th strong { font-weight: 600; }

/* Pricing Card */
.price {
  background: var(--card);
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  border-radius: 28px;
  padding: 44px;
}
.amount {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  font-size: 56px; font-weight: 700; letter-spacing: -0.035em; margin: 0 0 20px; line-height: 1;
}
.amount span { font-size: 20px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.price ul { margin: 0; padding: 0; list-style: none; }
.price li { padding: 9px 0; color: var(--muted); font-size: 17px; }
.price li::before { content: "\2713"; margin-right: 12px; color: var(--g1); font-weight: 700; }

/* FAQ ("Questions? Answers.") */
.faq-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 36px;
}
.faq-header h2 { margin-bottom: 0; }
.expand-btn {
  appearance: none; border: 0; background: none;
  color: var(--accent); font-size: 15px; font-weight: 500;
  cursor: pointer; padding: 4px 0;
}
.expand-btn:hover { text-decoration: underline; }
.faq { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; padding: 20px 36px 20px 0;
  position: relative; font-weight: 600; font-size: 18px; letter-spacing: -0.01em;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; position: absolute; right: 4px; top: 18px;
  font-size: 22px; color: var(--muted); font-weight: 300;
}
details[open] summary::after { content: "\2212"; }
details p { margin: 0 0 20px; color: var(--muted); max-width: 38em; line-height: 1.55; }
details ul { margin: 0 0 20px; padding-left: 20px; color: var(--muted); max-width: 38em; }
details p + p { margin-top: -8px; }

/* Close + Footer */
.close { padding-top: 72px; text-align: center; }
.foot {
  margin-top: 80px;
  background: var(--soft);
  border-top: 1px solid var(--line);
  padding: 44px 22px 52px;
  color: var(--muted); font-size: 12px; line-height: 1.6;
}
.foot-inner { max-width: 980px; margin: 0 auto; }
.foot p { margin: 0 0 10px; }
.foot p:last-child { margin-bottom: 0; }
.foot-mail { white-space: nowrap; }

/* Policy Page */
.policy { padding-top: 64px; padding-bottom: 40px; }
.policy h1 { font-size: clamp(34px, 6vw, 52px); margin-bottom: 8px; }
.policy h2 { font-size: 22px; margin: 44px 0 10px; letter-spacing: -0.02em; }
.policy p, .policy li { color: var(--muted); max-width: 38em; }
.policy .summary { color: var(--text); font-size: 21px; max-width: 32em; margin: 20px 0 0; }
.policy ul { padding-left: 20px; }
.policy li { margin: 6px 0; }
.policy strong { color: var(--text); font-weight: 600; }

/* Responsive */
@media (max-width: 820px) {
  .bento-grid-3 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding-top: 56px; }
  .hero { padding-top: 48px; }
  .close { padding-top: 48px; }
  .foot { margin-top: 56px; }
  .foot-mail { display: block; white-space: normal; }
  .foot-mail .dot { display: none; }
  nav { gap: 14px; }
  nav a:not(.nav-buy):nth-child(1),
  nav a:not(.nav-buy):nth-child(5) { display: none; }
  .vow-card { border-radius: 20px; padding: 14px 16px; }
  .bento-prose, .bento-dark, .bento-table, .price { padding: 28px 22px; border-radius: 22px; }
  .bento-grid-3 { grid-template-columns: 1fr; }
  .list div { grid-template-columns: 1fr; gap: 6px; }
  .btn { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .echo span { opacity: 0.85; transition: none; }
}

/* ---- Screenshot rail (horizontal, Apple-style) ---- */
.rail-wrap { margin: 0; }
.rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0;
  margin: 0;
  list-style: none;
}
.rail::-webkit-scrollbar { display: none; }
.rail:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 28px; }
.rail-slide {
  flex: 0 0 86%;
  scroll-snap-align: start;
  margin: 0;
}
.rail-slide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 28px;
  background: var(--soft);
}
.rail-controls {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.rail-pill {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--soft);
  border-radius: 980px;
  padding: 5px;
}
.rail-btn {
  appearance: none;
  border: 0;
  background: none;
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 980px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.2s ease;
}
.rail-btn:hover:not(:disabled) { background: color-mix(in srgb, var(--text) 9%, transparent); }
.rail-btn:disabled { opacity: 0.28; cursor: default; }
.rail-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.rail-dots { display: flex; align-items: center; gap: 4px; padding: 0 8px; }
.rail-dot {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  width: 16px;
  height: 34px;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.rail-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 980px;
  background: color-mix(in srgb, var(--text) 28%, transparent);
  transition: width 0.28s ease, background 0.28s ease;
}
.rail-dot[aria-current="true"]::before {
  width: 20px;
  background: var(--text);
}
.rail-dot:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 980px; }

.hero .rail-wrap { margin-top: 48px; }
@media (max-width: 640px) {
  .rail { gap: 14px; }
  .rail-slide { flex: 0 0 90%; }
  .rail-slide img { border-radius: 20px; }
}