/* Primitive → semantic → component tokens. Palette: graphite, warm paper,
   signal orange, azure and yellow. */
:root {
  --p-graphite-950: oklch(0.18 0 0);
  --p-graphite-900: oklch(0.21 0 0);
  --p-graphite-800: oklch(0.27 0 0);
  --p-paper-50: oklch(0.97 0.005 90);
  --p-paper-300: oklch(0.76 0.008 90);
  --p-paper-500: oklch(0.61 0.008 90);
  --p-orange-500: oklch(0.58 0.19 38);
  --p-azure-400: oklch(0.68 0.16 238);
  --p-yellow-400: oklch(0.88 0.17 96);
  --p-cream-100: oklch(0.98 0.008 90);
  --surface-page: var(--p-graphite-950);
  --surface-raised: var(--p-graphite-900);
  --text-primary: var(--p-paper-50);
  --text-secondary: var(--p-paper-300);
  --text-muted: var(--p-paper-500);
  --border-subtle: color-mix(in oklch, var(--p-paper-50) 13%, transparent);
  --ease-motion: cubic-bezier(.2,1,.2,1);
  --ease-smooth: cubic-bezier(1,0,0,1);
  --page-gutter: 20px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--surface-page); color: var(--text-primary); font-family: Inter, sans-serif; font-size: 16px; line-height: 1.65; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 2px solid var(--p-yellow-400); outline-offset: 5px; }
svg { display: block; }
::selection { background: var(--p-yellow-400); color: var(--p-graphite-950); }
.skip-link { position: fixed; z-index: 20; left: 16px; top: 12px; padding: 10px 16px; background: var(--text-primary); color: var(--surface-page); transform: translateY(-150%); transition: transform 180ms var(--ease-motion); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; z-index: 10; inset: 0 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px var(--page-gutter); border-bottom: 1px solid transparent; transition: background 240ms, border-color 240ms; }
.site-header.is-scrolled { background: color-mix(in oklch, var(--surface-page) 92%, transparent); border-color: var(--border-subtle); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; font-weight: 600; letter-spacing: -.02em; }
.brand svg { width: 28px; height: 28px; fill: currentColor; }
.site-header nav { display: flex; align-items: center; gap: 8px; }
.site-header nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; color: var(--text-secondary); font-size: 12px; transition: color 180ms; }
.site-header nav a:hover { color: var(--text-primary); }
.site-header nav a:first-child { display: none; }

.hero { position: relative; isolation: isolate; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; gap: 40px; padding: 128px var(--page-gutter) 32px; overflow: hidden; }
.hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: radial-gradient(circle at 85% 12%, color-mix(in oklch, var(--p-azure-400) 8%, transparent), transparent 40%); }
.hero-orbit { position: absolute; z-index: -1; border: 1px solid var(--border-subtle); border-radius: 50%; pointer-events: none; will-change: transform; }
.orbit-one { width: 280px; height: 280px; right: -110px; top: 16%; }
.orbit-two { width: 160px; height: 160px; right: -30px; top: 27%; border-color: color-mix(in oklch, var(--p-orange-500) 32%, transparent); }
.wordmark { display: flex; align-items: center; gap: 10px; margin-bottom: auto; color: var(--text-primary); font-size: clamp(24px, 8.8vw, 132px); font-weight: 600; line-height: .9; letter-spacing: -.085em; white-space: nowrap; }
.wordmark i { display: block; width: 8px; height: 3px; flex: 0 1 auto; background: var(--p-orange-500); transition: width 1s var(--ease-smooth); }
.motion-ready .wordmark i { width: clamp(14px, 5vw, 80px); }
.hero-grid { display: grid; gap: 32px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 900px; margin-bottom: 0; font-family: Fraunces, Georgia, serif; font-size: clamp(48px, 12vw, 132px); font-weight: 400; line-height: .96; letter-spacing: -.055em; }
h1 em { color: var(--text-secondary); font-weight: 400; }
.hero-copy { max-width: 470px; }
.hero-copy p { margin-bottom: 24px; color: var(--text-secondary); font-size: 17px; line-height: 1.65; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 48px; border-bottom: 1px solid var(--text-primary); font-size: 14px; font-weight: 500; }
.text-link span { transition: transform 240ms var(--ease-motion); }
.text-link:hover span { transform: translateY(4px); }
.hero-index { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding-top: 20px; border-top: 1px solid var(--border-subtle); color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .13em; }

.pillars { padding: 88px var(--page-gutter); }
.section-heading { max-width: 700px; margin-bottom: 48px; }
.section-label { margin-bottom: 12px; color: var(--text-muted); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .16em; }
.section-heading h2, .mail-banner h2 { margin-bottom: 16px; font-family: Fraunces, Georgia, serif; font-size: clamp(36px, 7vw, 64px); font-weight: 400; line-height: 1.05; letter-spacing: -.04em; }
.section-heading > p:last-child { max-width: 600px; margin-bottom: 0; color: var(--text-secondary); }
.pillar-grid { display: grid; gap: 16px; }
.pillar { position: relative; display: flex; flex-direction: column; min-width: 0; overflow: hidden; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--surface-raised); transition: transform 280ms var(--ease-motion), border-color 280ms, box-shadow 280ms; }
.pillar:hover { transform: translateY(-6px); border-color: color-mix(in oklch, var(--text-primary) 32%, transparent); box-shadow: 0 20px 50px color-mix(in oklch, var(--p-graphite-950) 60%, transparent); }
.pillar:active { transform: translateY(-2px) scale(.99); }
.pillar-top { display: flex; align-items: center; justify-content: space-between; min-height: 56px; padding: 8px 20px; }
.pillar-number { color: var(--text-muted); font-size: 11px; letter-spacing: .12em; }
.launch-icon { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--border-subtle); border-radius: 50%; font-size: 17px; transition: transform 260ms var(--ease-motion), background 260ms, color 260ms; }
.pillar:hover .launch-icon { transform: rotate(45deg); background: var(--text-primary); color: var(--surface-page); }
.pillar-visual { position: relative; height: 220px; margin: 0 8px; overflow: hidden; border-radius: 4px; }
.pillar-content { display: flex; flex: 1; flex-direction: column; padding: 28px 24px 24px; }
.pillar-kicker { margin-bottom: 8px; color: var(--text-muted); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .12em; }
.pillar h3 { margin-bottom: 16px; font-family: Fraunces, Georgia, serif; font-size: 42px; font-weight: 400; line-height: 1; letter-spacing: -.035em; }
.pillar-content > p:not(.pillar-kicker) { margin-bottom: 28px; color: var(--text-secondary); font-size: 15px; line-height: 1.65; }
.pillar-action { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; margin-top: auto; border-top: 1px solid var(--border-subtle); padding-top: 16px; font-size: 13px; font-weight: 500; }
.pillar-action i { font-style: normal; transition: transform 240ms var(--ease-motion); }
.pillar:hover .pillar-action i { transform: translateX(6px); }

.energy-visual { background: var(--p-orange-500); }
.energy-visual svg { position: absolute; inset: 22px 12px auto; width: calc(100% - 24px); fill: none; stroke: var(--p-graphite-950); stroke-width: 2; opacity: .8; }
.energy-visual svg circle { fill: var(--p-cream-100); stroke-width: 3; }
.map-lines { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(var(--p-graphite-950) 1px, transparent 1px), linear-gradient(90deg, var(--p-graphite-950) 1px, transparent 1px); background-size: 32px 32px; }
.visual-metric { position: absolute; right: 20px; bottom: 12px; color: var(--p-graphite-950); font-family: Fraunces, Georgia, serif; font-size: 38px; font-weight: 600; letter-spacing: -.05em; }
.visual-metric small { font-family: Inter, sans-serif; font-size: 12px; letter-spacing: 0; }
.focus-visual { display: flex; flex-direction: column; justify-content: center; gap: 12px; padding: 24px; background: var(--p-azure-400); }
.task-row { display: grid; grid-template-columns: 20px 1fr 36px; align-items: center; gap: 12px; height: 32px; padding: 0 12px; border-radius: 3px; background: color-mix(in oklch, var(--p-cream-100) 76%, transparent); }
.task-row i { width: 12px; height: 12px; border: 2px solid var(--p-graphite-800); border-radius: 50%; }
.task-row span { height: 4px; border-radius: 2px; background: var(--p-graphite-800); opacity: .65; }
.task-row b { height: 4px; border-radius: 2px; background: var(--p-graphite-800); opacity: .35; }
.task-row.active { transform: translateX(10px); background: var(--p-cream-100); box-shadow: 0 8px 20px color-mix(in oklch, var(--p-graphite-950) 16%, transparent); }
.task-row.active i { background: var(--p-graphite-800); box-shadow: inset 0 0 0 3px var(--p-cream-100); }
.sales-visual { display: grid; place-items: center; background: var(--p-yellow-400); }
.sales-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; width: 82%; height: 74%; }
.sales-columns > div { display: flex; flex-direction: column; gap: 10px; padding: 10px; border: 1px solid color-mix(in oklch, var(--p-graphite-950) 30%, transparent); border-radius: 3px; }
.sales-columns i { display: block; height: 34px; border-radius: 2px; background: var(--p-cream-100); box-shadow: 0 3px 8px color-mix(in oklch, var(--p-graphite-950) 12%, transparent); }
.sales-columns > div:nth-child(2) { transform: translateY(12px); }
.mastery-visual { display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--p-cream-100); }
.mastery-ring { display: grid; place-items: center; width: 112px; height: 112px; margin-bottom: 24px; border: 1px solid var(--p-graphite-800); border-radius: 50%; box-shadow: inset 0 0 0 12px var(--p-cream-100), inset 0 0 0 13px color-mix(in oklch, var(--p-graphite-800) 40%, transparent); }
.mastery-ring span { color: var(--p-graphite-950); font-size: 10px; font-weight: 600; letter-spacing: .18em; }
.mastery-line { width: 56%; height: 4px; margin-bottom: 10px; background: var(--p-graphite-800); opacity: .6; }
.mastery-line.short { width: 36%; margin: 0; opacity: .25; }

.mail-banner { display: grid; gap: 28px; margin: 0 var(--page-gutter) 88px; padding: 32px 24px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--surface-raised); }
.mail-symbol { display: grid; place-items: center; width: 80px; height: 80px; border: 1px solid var(--border-subtle); border-radius: 50%; }
.mail-symbol svg { width: 52px; fill: none; stroke: var(--p-orange-500); stroke-width: 1.5; }
.mail-banner h2 { margin-bottom: 12px; font-size: clamp(32px, 5vw, 52px); }
.mail-banner p:last-child { max-width: 650px; margin-bottom: 0; color: var(--text-secondary); }
.mail-link { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 52px; padding: 12px 20px; border: 1px solid var(--text-primary); border-radius: 6px; font-size: 14px; font-weight: 500; transition: background 200ms, color 200ms, transform 160ms; }
.mail-link:hover { background: var(--text-primary); color: var(--surface-page); }
.mail-link:active { transform: scale(.98); }
.mail-link i { font-size: 20px; font-style: normal; }

footer { display: grid; gap: 16px; padding: 32px var(--page-gutter); border-top: 1px solid var(--border-subtle); color: var(--text-muted); font-size: 12px; }
footer p { margin: 0; }
.footer-brand { color: var(--text-primary); }
.reveal { transform: translateY(20px); opacity: .9; transition: transform 600ms var(--ease-motion), opacity 600ms var(--ease-motion); }
.reveal.is-visible { transform: translateY(0); opacity: 1; }
.pillar:nth-child(2) { transition-delay: 60ms; }
.pillar:nth-child(3) { transition-delay: 120ms; }
.pillar:nth-child(4) { transition-delay: 180ms; }

@media (min-width: 600px) {
  :root { --page-gutter: 32px; }
  .site-header nav a { font-size: 13px; padding-inline: 14px; }
  .site-header nav a:first-child { display: inline-flex; }
  .hero { gap: 48px; padding-bottom: 40px; }
  .hero-index { grid-template-columns: repeat(4, 1fr); }
  .pillar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mail-banner { grid-template-columns: auto 1fr; align-items: center; }
  .mail-link { grid-column: 2; justify-self: start; min-width: 230px; }
  footer { grid-template-columns: 1fr auto; align-items: center; }
  footer p:last-child { grid-column: 2; grid-row: 1; }
  footer p:nth-child(2) { grid-column: 1 / -1; }
}

@media (min-width: 960px) {
  :root { --page-gutter: 48px; }
  .site-header { min-height: 80px; }
  .hero { padding-top: 144px; }
  .wordmark { gap: 18px; }
  .wordmark i { height: 5px; }
  .hero-grid { grid-template-columns: minmax(0, 1.65fr) minmax(280px, .7fr); align-items: end; gap: 64px; }
  .hero-copy { padding-bottom: 10px; }
  .orbit-one { width: 540px; height: 540px; right: -140px; top: 5%; }
  .orbit-two { width: 340px; height: 340px; right: -40px; top: 20%; }
  .pillars { padding-block: 128px; }
  .section-heading { margin-bottom: 64px; }
  .pillar-visual { height: 240px; }
  .mail-banner { grid-template-columns: auto 1fr auto; gap: 40px; margin-bottom: 128px; padding: 40px; }
  .mail-link { grid-column: auto; justify-self: end; }
  footer { grid-template-columns: 1fr auto 1fr; }
  footer p:nth-child(2) { grid-column: auto; }
  footer p:last-child { grid-column: auto; grid-row: auto; text-align: right; }
}

@media (min-width: 1240px) {
  :root { --page-gutter: 64px; }
  .pillar-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
  .pillar-content { padding-inline: 20px; }
  .pillar h3 { font-size: 44px; }
  .pillar-visual { height: 230px; }
  .pillar:nth-child(even) { transform: translateY(40px); }
  .pillar:nth-child(even):hover { transform: translateY(34px); }
  .pillar:nth-child(even):active { transform: translateY(36px) scale(.99); }
  .pillar-grid { padding-bottom: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal, .pillar:nth-child(even) { transform: none; opacity: 1; }
  .hero-orbit { transform: none !important; }
}

/* AdvantaMail download and application-preview components */
.brand-icon { width: 30px; height: 30px; object-fit: contain; }
.mail-hero { min-height: auto; padding-bottom: 88px; }
.mail-hero .wordmark { margin-bottom: 72px; }
.app-window { width: 100%; max-width: 1180px; margin: 32px auto 0; overflow: hidden; border: 1px solid color-mix(in oklch, var(--p-paper-50) 20%, transparent); border-radius: 8px; background: oklch(0.25 0 0); box-shadow: 0 36px 90px color-mix(in oklch, var(--p-graphite-950) 80%, transparent); }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 48px; padding: 0 16px; border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); font-size: 11px; }
.window-bar > span { font-weight: 500; }
.window-bar > b { justify-self: end; color: var(--p-azure-400); font-size: 9px; font-weight: 500; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); opacity: .55; }
.mail-interface { display: grid; grid-template-columns: 112px minmax(0, 1fr); min-height: 340px; text-align: left; }
.mail-interface aside { padding: 20px 10px; border-right: 1px solid var(--border-subtle); background: oklch(0.22 0 0); }
.compose-button { margin-bottom: 24px; padding: 10px 6px; border-radius: 4px; background: var(--p-orange-500); color: var(--p-graphite-950); font-size: 9px; font-weight: 600; text-align: center; }
.mail-interface aside p { display: flex; justify-content: space-between; margin: 0; padding: 9px 8px; border-radius: 3px; color: var(--text-secondary); font-size: 10px; }
.mail-interface aside p.active { background: color-mix(in oklch, var(--p-paper-50) 10%, transparent); color: var(--text-primary); }
.mail-interface aside p span { color: var(--text-muted); }
.message-list { min-width: 0; border-right: 1px solid var(--border-subtle); }
.message { position: relative; display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 8px; min-height: 92px; padding: 18px 10px; border-bottom: 1px solid var(--border-subtle); }
.message.selected { background: color-mix(in oklch, var(--p-azure-400) 10%, transparent); }
.message > i { width: 22px; height: 22px; border-radius: 50%; background: var(--p-paper-500); opacity: .65; }
.message p { min-width: 0; margin: 0; }
.message strong, .message span, .message small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.message strong { margin-bottom: 3px; font-size: 10px; }
.message span { color: var(--text-secondary); font-size: 9px; }
.message small { margin-top: 4px; color: var(--text-muted); font-size: 8px; }
.message time { color: var(--text-muted); font-size: 8px; }
.reading-pane { display: none; }
.download-section { padding: 88px var(--page-gutter); background: var(--p-cream-100); color: var(--p-graphite-950); }
.download-section .section-label, .download-section .section-heading > p:last-child { color: oklch(0.42 0.008 90); }
.download-grid { display: grid; gap: 16px; }
.download-card { display: flex; flex-direction: column; min-height: 360px; padding: 28px 24px; border: 1px solid color-mix(in oklch, var(--p-graphite-950) 18%, transparent); border-radius: 6px; background: var(--p-cream-100); color: var(--p-graphite-950); transition: transform 240ms var(--ease-motion), box-shadow 240ms, background 240ms; }
.download-card:hover { transform: translateY(-5px); box-shadow: 0 20px 45px color-mix(in oklch, var(--p-graphite-950) 16%, transparent); }
.download-card:active { transform: scale(.99); }
.download-card.primary { background: var(--p-yellow-400); }
.download-type { margin-bottom: 32px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; }
.download-card > svg { width: 44px; height: 44px; margin-bottom: 28px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.download-card h3 { margin-bottom: 12px; font-family: Fraunces, Georgia, serif; font-size: 34px; font-weight: 400; line-height: 1.1; letter-spacing: -.035em; }
.download-card p { max-width: 420px; margin-bottom: 28px; color: oklch(0.32 0.008 90); }
.download-action { display: flex; align-items: center; justify-content: space-between; min-height: 48px; margin-top: auto; border-top: 1px solid color-mix(in oklch, var(--p-graphite-950) 25%, transparent); padding-top: 16px; font-size: 14px; font-weight: 600; }
.download-action i { font-size: 20px; font-style: normal; transition: transform 200ms; }
.download-card:hover .download-action i { transform: translateY(4px); }
.download-card small { margin-top: 8px; color: oklch(0.4 0.008 90); font-size: 11px; }
.download-notes { margin-top: 32px; }
.download-notes details { border-top: 1px solid color-mix(in oklch, var(--p-graphite-950) 18%, transparent); }
.download-notes details:last-child { border-bottom: 1px solid color-mix(in oklch, var(--p-graphite-950) 18%, transparent); }
.download-notes summary { position: relative; min-height: 56px; padding: 16px 40px 16px 0; font-size: 14px; font-weight: 500; cursor: pointer; list-style: none; }
.download-notes summary::-webkit-details-marker { display: none; }
.download-notes summary::after { content: "+"; position: absolute; right: 8px; top: 12px; font-size: 22px; font-weight: 400; transition: transform 200ms; }
.download-notes details[open] summary::after { transform: rotate(45deg); }
.download-notes summary:focus-visible { outline: 2px solid var(--p-orange-500); outline-offset: 3px; }
.download-notes details > div { max-width: 850px; padding: 0 0 20px; color: oklch(0.34 0.008 90); font-size: 14px; }
.download-notes details p { margin-bottom: 12px; }
.download-notes code { overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.checksum-list { display: grid; gap: 8px; }
.checksum-list > span { margin-top: 8px; color: var(--p-graphite-950); font-size: 12px; font-weight: 600; }
.features { padding: 88px var(--page-gutter); }
.feature-grid { display: grid; gap: 40px 24px; }
.feature-grid article { padding-top: 24px; border-top: 1px solid var(--border-subtle); }
.feature-grid svg { width: 38px; height: 38px; margin-bottom: 28px; fill: none; stroke: var(--p-orange-500); stroke-width: 1.4; }
.feature-grid h3 { margin-bottom: 12px; font-family: Fraunces, Georgia, serif; font-size: 26px; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.feature-grid p { margin-bottom: 0; color: var(--text-secondary); font-size: 15px; }
.setup-strip { display: grid; gap: 40px; margin: 0 var(--page-gutter) 88px; padding: 32px 24px; border-radius: 6px; background: var(--p-azure-400); color: var(--p-graphite-950); }
.setup-strip .section-label { color: oklch(0.28 0.02 240); }
.setup-strip h2 { max-width: 520px; margin: 0; font-family: Fraunces, Georgia, serif; font-size: clamp(32px, 5vw, 52px); font-weight: 400; line-height: 1.05; letter-spacing: -.04em; }
.setup-strip ol { display: grid; gap: 24px; margin: 0; padding: 0; list-style: none; }
.setup-strip li { display: grid; grid-template-columns: 32px 1fr; gap: 12px; padding-top: 16px; border-top: 1px solid color-mix(in oklch, var(--p-graphite-950) 28%, transparent); }
.setup-strip li > span { font-size: 11px; letter-spacing: .1em; }
.setup-strip li p { margin: 0; color: oklch(0.26 0.01 240); font-size: 14px; }
.setup-strip li strong { display: block; margin-bottom: 4px; color: var(--p-graphite-950); font-size: 15px; }

@media (min-width: 600px) {
  .mail-interface { grid-template-columns: 150px minmax(0, 1fr); }
  .mail-interface aside { padding-inline: 16px; }
  .message { padding-inline: 16px; }
  .download-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 800px) {
  .mail-interface { grid-template-columns: 160px minmax(230px, .8fr) minmax(0, 1.4fr); min-height: 400px; }
  .reading-pane { display: block; min-width: 0; padding: 32px 24px; background: oklch(0.96 0.005 90); color: var(--p-graphite-950); }
  .reading-pane .reading-label { color: var(--p-orange-500); font-size: 8px; font-weight: 600; letter-spacing: .12em; }
  .reading-pane h2 { margin-bottom: 24px; font-family: Fraunces, Georgia, serif; font-size: 28px; font-weight: 400; line-height: 1.1; }
  .reading-pane > p { font-size: 11px; line-height: 1.7; }
  .reading-card { margin: 24px 0; padding: 16px; border: 1px solid color-mix(in oklch, var(--p-graphite-950) 14%, transparent); border-radius: 4px; }
  .reading-card span, .reading-card strong { display: block; }
  .reading-card span { margin-bottom: 4px; color: oklch(0.42 0.008 90); font-size: 9px; }
  .reading-card strong { font-size: 14px; }
  .reading-card i { display: block; width: 72%; height: 4px; margin-top: 16px; background: var(--p-azure-400); }
  .reading-pane .signature { margin-top: 24px; }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .setup-strip { grid-template-columns: .9fr 1.1fr; align-items: start; }
}
@media (min-width: 960px) {
  .mail-hero { padding-bottom: 128px; }
  .mail-hero .wordmark { margin-bottom: 104px; }
  .app-window { margin-top: 64px; }
  .download-section, .features { padding-block: 128px; }
  .download-card { min-height: 400px; padding: 36px; }
  .setup-strip { margin-bottom: 128px; padding: 48px; }
}