/* TidyByte — tidybyte.app design system
   Light-first (legibility for a global, partly older audience), dark theme mirrors the app's navy/teal.
   System font stack: renders SF Pro on Apple devices (the app's own face), zero font bytes, native CJK fallback. */

:root {
  color-scheme: light dark;
  /* brand */
  --teal: #19B272;
  --indigo: #267FB2;
  --teal-ink: #0E7A50;          /* teal dark enough for text on light (≥4.5:1) */
  --amber: #FFC73B;
  --navy-1: #14192D;            /* app night top */
  --navy-2: #0A0C19;            /* app night bottom */
  --card-navy: #192338;
  --ramp: linear-gradient(135deg, var(--teal) 0%, var(--indigo) 100%);
  /* light palette (default) */
  --bg: #F5F7FB;
  --bg-2: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #EEF2F8;
  --text: #0F172A;
  --text-2: #3D4B63;
  --text-3: #66738A;
  --line: #DCE3EE;
  --line-2: #C9D3E2;
  --link: #1257A6;
  --focus: #1257A6;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 12px 32px -12px rgba(15, 23, 42, .18);
  --shadow-lg: 0 2px 6px rgba(15, 23, 42, .08), 0 32px 64px -24px rgba(15, 23, 42, .32);
  --band: #ECF0F6;
  --radius: 20px;
  --radius-sm: 12px;
  --max: 1120px;
  --gutter: clamp(1.1rem, 4vw, 2rem);
  --section: clamp(4rem, 9vw, 7.5rem);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0C19; --bg-2: #0F1324; --surface: #151B30; --surface-2: #1B2340;
    --text: #EAF0FA; --text-2: #B7C2D6; --text-3: #8A97B0; --line: #26304A; --line-2: #33405E;
    --link: #7FB8FF; --focus: #7FB8FF; --teal-ink: #3FD394; --band: #0F1324;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -12px rgba(0,0,0,.6);
    --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 32px 64px -24px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"] {
  --bg: #0A0C19; --bg-2: #0F1324; --surface: #151B30; --surface-2: #1B2340;
  --text: #EAF0FA; --text-2: #B7C2D6; --text-3: #8A97B0; --line: #26304A; --line-2: #33405E;
  --link: #7FB8FF; --focus: #7FB8FF; --teal-ink: #3FD394; --band: #0F1324;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -12px rgba(0,0,0,.6);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 32px 64px -24px rgba(0,0,0,.8);
}

/* ---------- reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Hiragino Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1.125rem; line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, video, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--link); text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -.02em; text-wrap: balance; font-weight: 700; }
h1 { font-size: clamp(2.35rem, 1.3rem + 4.2vw, 4.25rem); }
h2 { font-size: clamp(1.85rem, 1.15rem + 2.6vw, 3rem); }
h3 { font-size: clamp(1.3rem, 1.05rem + 1vw, 1.7rem); letter-spacing: -.012em; }
p { margin: 0; }
p + p { margin-top: 1em; }
.lede { font-size: clamp(1.15rem, 1rem + .7vw, 1.4rem); line-height: 1.5; color: var(--text-2); text-wrap: pretty; max-width: 42ch; }
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-ink); margin-bottom: .9rem; }
.muted { color: var(--text-2); }
.small { font-size: .95rem; }
.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); }
.section--tight { padding-block: calc(var(--section) * .6); }
.section-head { max-width: 62ch; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head p { margin-top: 1rem; }
.center { text-align: center; }
.center .section-head, .center .lede { margin-inline: auto; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -3rem; background: var(--surface); color: var(--text); padding: .6rem 1rem; border-radius: 10px; z-index: 100; }
.skip:focus { top: 1rem; }
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- buttons / badges ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 48px; padding: .75rem 1.35rem; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ramp); color: #fff; box-shadow: 0 10px 24px -10px rgba(25, 178, 114, .55); }
.btn-primary:hover { box-shadow: 0 14px 30px -10px rgba(25, 178, 114, .7); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--surface-2); }
.badge { display: inline-block; line-height: 0; }
.badge img, .badge svg { height: 54px; width: auto; }        /* Apple minimum 40px; clear space = ¼ height */
.badge--sm img { height: 40px; }
.badge-row { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.trust-line { display: flex; flex-wrap: wrap; gap: .4rem 1rem; font-size: .95rem; color: var(--text-2); }
.trust-line span::before { content: "✓"; color: var(--teal-ink); font-weight: 700; margin-right: .4rem; }
.on-dark .trust-line { color: #C9D6EA; }
.on-dark .trust-line span::before { color: #3FD394; }
.pill { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .35rem .7rem; border-radius: 999px; background: rgba(25,178,114,.12); color: var(--teal-ink); }
.on-dark .pill { background: rgba(63,211,148,.14); color: #3FD394; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); background: color-mix(in srgb, var(--bg) 88%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); transition: background .25s var(--ease), border-color .25s var(--ease); }
/* Over a dark section the light bar turned milky and let the artwork bleed through — go navy instead. */
.site-header.on-dark-section { background: color-mix(in srgb, #0A0C19 90%, transparent); border-bottom-color: rgba(255, 255, 255, .08); }
.site-header.on-dark-section .logo { color: #F1F5FB; }
.site-header.on-dark-section .nav a:not(.btn) { color: #C9D6EA; }
.site-header.on-dark-section .nav a:not(.btn):hover { color: #fff; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; color: var(--text); text-decoration: none; }
.logo img { width: 34px; height: 34px; border-radius: 9px; }
.nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.6rem); }
.nav a:not(.btn) { color: var(--text-2); text-decoration: none; font-weight: 500; font-size: 1rem; }
.nav a:not(.btn):hover { color: var(--text); }
.nav .btn { min-height: 44px; padding: .5rem 1.05rem; font-size: .95rem; color: #fff; }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

/* ---------- hero (dark navy band in both themes — the phone lives here) ---------- */
.on-dark { --text: #F1F5FB; --text-2: #C9D6EA; --text-3: #94A3BE; --line: #2A3650; --surface: #151B30; --link: #9CCBFF; --teal-ink: #3FD394; color: var(--text); }
.hero { position: relative; overflow: clip; background: radial-gradient(95% 85% at 18% 0%, #1A2A45 0%, var(--navy-1) 48%, #0B0E1C 100%); }
.hero::before { content: ""; position: absolute; inset: auto -20% -40% -20%; height: 60%; background: radial-gradient(46% 60% at 62% 100%, rgba(25,178,114,.20), transparent 70%); pointer-events: none; }
.hero .wrap { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; padding-block: clamp(2.5rem, 5vw, 4rem) clamp(2rem, 5vw, 3.5rem); position: relative; }
.hero h1 { color: #fff; }
.hero .lede { color: #C9D6EA; }
.hero-copy > * + * { margin-top: 1.1rem; }
.hero h1 { font-size: clamp(2.3rem, 1.1rem + 3.4vw, 3.6rem); }
.hero-cta { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
.hero .badge-row { gap: 1.25rem; }
.qr { display: none; align-items: center; gap: .8rem; color: #B7C2D6; font-size: .9rem; }
.qr img, .qr svg { width: 84px; height: 84px; background: #fff; padding: 6px; border-radius: 12px; }
@media (min-width: 900px) and (hover: hover) and (pointer: fine) { .qr { display: inline-flex; } }
.hero-visual { display: grid; place-items: center; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: left; }
  .hero-visual { order: 2; }
  .hero-copy { order: 1; }
}

/* ---------- phone frame (CSS device; screens are the app's real captures) ---------- */
.phone { --w: clamp(230px, 26vw, 300px); position: relative; width: var(--w); aspect-ratio: 9 / 19.5; border-radius: calc(var(--w) * .16); padding: calc(var(--w) * .028); background: linear-gradient(160deg, #3A4358, #11151F 55%, #2A3142); box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset, 0 40px 90px -30px rgba(0,0,0,.65), 0 0 0 1px rgba(0,0,0,.35); }
.phone::before { content: ""; position: absolute; left: 50%; top: calc(var(--w) * .055); transform: translateX(-50%); width: calc(var(--w) * .28); height: calc(var(--w) * .075); background: #05070C; border-radius: 999px; z-index: 3; }
.phone::after { content: ""; position: absolute; left: calc(var(--w) * -.012); top: calc(var(--w) * .30); width: calc(var(--w) * .012); height: calc(var(--w) * .12); background: #2A3142; border-radius: 2px 0 0 2px; box-shadow: 0 calc(var(--w) * .16) 0 #2A3142, 0 calc(var(--w) * -.10) 0 0 #2A3142; }
.phone-screen { position: relative; width: 100%; height: 100%; border-radius: calc(var(--w) * .135); overflow: hidden; background: #0A0C19; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.12); }
.phone-screen--contain { background: linear-gradient(180deg, #14192D, #0A0C19); }
.phone-screen.phone-screen--contain > img, .phone-screen.phone-screen--contain > video { object-fit: contain; }
.phone-screen > img, .phone-screen > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.phone--lg { --w: clamp(240px, 26vw, 300px); }
.tour-sticky .phone--lg { --w: clamp(260px, 30vw, 340px); }
.phone-glow { position: relative; }
.phone-glow::after { content: ""; position: absolute; inset: 15% -10% -5% -10%; background: radial-gradient(50% 50% at 50% 60%, rgba(25,178,114,.28), transparent 70%); filter: blur(30px); z-index: -1; }
.hero .phone-glow { animation: float 9s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@media (prefers-reduced-motion: reduce) { .hero .phone-glow { animation: none; } }

/* ---------- proof strip ---------- */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.fact { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem 1.4rem; box-shadow: var(--shadow); }
.fact strong { display: block; font-size: 1.15rem; letter-spacing: -.01em; margin-bottom: .3rem; }
.fact p { color: var(--text-2); font-size: 1rem; }
@media (max-width: 760px) { .facts { grid-template-columns: 1fr; } }

/* ---------- steps ---------- */
.how { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.how-visual { max-width: 460px; justify-self: center; width: 100%; }
.steps { display: grid; gap: clamp(1.4rem, 3vw, 2rem); counter-reset: step; list-style: none; margin: 0; padding: 0; }
.steps .step { display: grid; grid-template-columns: 3rem 1fr; column-gap: 1.1rem; align-items: start; }
.steps .step::before { grid-row: 1 / span 2; }
@media (max-width: 900px) { .how { grid-template-columns: 1fr; } .how-visual { order: -1; max-width: 360px; } }
.step { position: relative; padding: 1.2rem 0 0; border-top: 1px solid var(--line-2); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; font-size: 2rem; line-height: 1; font-weight: 700; letter-spacing: -.03em; color: var(--teal-ink); font-variant-numeric: tabular-nums; }
.step h3 { margin-bottom: .5rem; }
.step p:not(.eyebrow) { color: var(--text-2); font-size: 1.02rem; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

/* ---------- feature tour (sticky phone on desktop, stacked on mobile) ---------- */
.tour { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 480px); gap: clamp(2rem, 4.5vw, 4rem); align-items: start; }
.tour-sticky.shot-wrap { position: sticky; top: 92px; display: grid; place-items: center; padding-block: 1rem; align-self: start; }
.tour-sticky .shot { grid-area: 1 / 1; max-width: 100%; opacity: 0; visibility: hidden; transform: translateY(10px); }
.tour-sticky .shot.is-active { opacity: 1; visibility: visible; transform: none; transition: opacity .24s var(--ease), transform .24s var(--ease); }
.tour-sticky .shot:first-child { opacity: 1; visibility: visible; transform: none; }   /* no-JS: first shot shows */
.tour-sticky.has-js .shot:first-child:not(.is-active) { opacity: 0; visibility: hidden; }
.tour-note { grid-column: 1 / -1; margin-top: 1.5rem; }
.chapters { display: grid; gap: clamp(3rem, 8vw, 7rem); padding-block: clamp(1rem, 4vw, 3rem); }
.chapter { min-height: 52vh; display: grid; align-content: center; gap: .9rem; max-width: 46ch; }
.chapter .eyebrow { margin-bottom: 0; }
.chapter h3 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.25rem); letter-spacing: -.02em; }
.chapter p:not(.eyebrow) { color: var(--text-2); }
.chapter .never { display: inline-flex; gap: .55rem; align-items: flex-start; font-size: 1rem; font-weight: 600; color: var(--text); justify-self: start; }
.ck { flex: none; color: var(--teal-ink); margin-top: .2em; }
.chapter .chapter-shot { display: none; }
@media (max-width: 860px) {
  .tour { grid-template-columns: 1fr; }
  .tour-sticky { display: none; }
  .chapter { min-height: 0; max-width: none; }
  .chapter .chapter-shot { display: grid; margin: .6rem auto 0; max-width: min(74vw, 300px); }
}

/* ---------- gallery (store frames) ---------- */
.gallery { --pad: max(var(--gutter), calc(50vw - var(--max) / 2 + var(--gutter))); display: grid; grid-auto-flow: column; grid-auto-columns: clamp(220px, 24vw, 300px); gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: var(--pad); padding: .5rem var(--pad) 1.5rem; scrollbar-width: thin; }
.gallery figure { margin: 0; scroll-snap-align: start; border-radius: 22px; overflow: hidden; background: var(--navy-1); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,.10), 0 0 0 6px color-mix(in srgb, var(--surface-2) 70%, transparent); }
.gallery img { width: 100%; height: auto; }
.gallery figcaption { position: absolute; left: -9999px; }

/* ---------- side-by-side demos ---------- */
.demos { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.5rem, 4vw, 3rem); }
.demo { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.demo .phone { --w: clamp(150px, 16vw, 200px); }
.demo .phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.demo h3 { margin-bottom: .45rem; }
.demo p { color: var(--text-2); font-size: 1rem; }
@media (max-width: 900px) { .demos { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .demo { grid-template-columns: 1fr; justify-items: center; text-align: center; } }

/* ---------- honesty block ---------- */
.never-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.never-item { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; align-items: start; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; }
.never-item .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(25,178,114,.12); color: var(--teal-ink); }
.never-item strong { display: block; margin-bottom: .25rem; }
.never-item p { color: var(--text-2); font-size: 1rem; }
@media (max-width: 720px) { .never-list { grid-template-columns: 1fr; } }

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow); display: grid; gap: 1rem; align-content: start; }
.plan--pro { border-color: transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--ramp) border-box; border: 2px solid transparent; }
.plan h3 { display: flex; align-items: baseline; gap: .6rem; }
.plan .price { font-size: 2rem; font-weight: 700; letter-spacing: -.02em; }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .55rem; color: var(--text-2); }
.plan li { display: grid; grid-template-columns: 1.25rem 1fr; gap: .5rem; align-items: start; }
.plan li .ck { margin-top: .25em; }
.plan li.no { color: var(--text-3); }
.plan li.no::before { content: "–"; }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
.tier { position: relative; border: 1px solid var(--line); border-radius: 12px; padding: .7rem .5rem; text-align: center; }
.tier b { display: block; font-size: 1.15rem; letter-spacing: -.01em; }
.tier span { font-size: .8rem; color: var(--text-2); white-space: nowrap; }
.tier--best { border-color: var(--teal); }
.tier em { position: absolute; top: -.7rem; left: 50%; transform: translateX(-50%); font-style: normal; font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; background: var(--ramp); color: #fff; padding: .15rem .5rem; border-radius: 999px; white-space: nowrap; }
@media (max-width: 760px) { .plans { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.1rem 0; font-weight: 600; font-size: 1.1rem; }
.faq summary h3 { font-size: inherit; font-weight: inherit; letter-spacing: 0; line-height: 1.35; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--teal-ink); flex: none; transition: transform .25s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 1.2rem; color: var(--text-2); max-width: 65ch; }

/* ---------- guides teaser / cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { display: grid; gap: .5rem; align-content: start; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem 1.4rem; text-decoration: none; color: var(--text); box-shadow: var(--shadow); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card .eyebrow { margin: 0; }
.card h3 { font-size: 1.2rem; }
.card p:not(.eyebrow) { color: var(--text-2); font-size: 1rem; }
@media (max-width: 900px) { .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } }

/* ---------- final CTA ---------- */
.final { background: radial-gradient(120% 100% at 50% 100%, #1B2E4A 0%, var(--navy-1) 50%, var(--navy-2) 100%); }
.final .wrap { display: grid; gap: 1.5rem; justify-items: center; text-align: center; padding-block: clamp(3.5rem, 8vw, 6rem); }
.final h2 { color: #fff; }
.final .lede { color: #C9D6EA; }
.final .badge-row { justify-content: center; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); color: var(--text-2); font-size: .95rem; }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; padding-block: 3rem 2rem; }
.site-footer h4 { font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: .8rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--text); text-decoration: underline; }
.legal-line { border-top: 1px solid var(--line); }
.legal-line .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding-block: 1.1rem; font-size: .85rem; color: var(--text-3); }
@media (max-width: 800px) { .site-footer .wrap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .site-footer .wrap { grid-template-columns: 1fr; } }

/* ---------- article / prose ---------- */
.article-head { padding-block: clamp(2.5rem, 6vw, 4.5rem) 1.5rem; }
.article-head > * { max-width: 760px; }
.article-head h1 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.2rem); }
.article-head .lede { margin-top: 1rem; max-width: 60ch; }
.article-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-top: 1.25rem; font-size: .92rem; color: var(--text-3); }
.crumbs { font-size: .9rem; color: var(--text-3); margin-bottom: 1rem; }
.crumbs a { color: var(--text-3); }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.crumbs li + li::before { content: "›"; margin-right: .4rem; }
.article-grid { display: grid; grid-template-columns: minmax(0, 720px) 260px; gap: clamp(2rem, 5vw, 5rem); align-items: start; padding-bottom: var(--section); }
.toc { position: sticky; top: 92px; font-size: .92rem; border-left: 1px solid var(--line); padding-left: 1rem; }
.toc h4 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: .6rem; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.toc a { color: var(--text-2); text-decoration: none; }
.toc a:hover { color: var(--text); text-decoration: underline; }
@media (max-width: 900px) { .article-grid { grid-template-columns: 1fr; } .toc { display: none; } }
.prose { font-size: 1.125rem; line-height: 1.6; max-width: 68ch; }
.prose h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); margin: 2.4em 0 .6em; scroll-margin-top: 90px; }
.prose h3 { font-size: 1.25rem; margin: 1.8em 0 .5em; scroll-margin-top: 90px; }
.prose p { margin: 0 0 1.05em; text-wrap: pretty; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.prose li { margin: .35em 0; }
.prose li::marker { color: var(--teal-ink); font-weight: 700; }
.prose ol > li { padding-left: .25em; }
.prose strong { color: var(--text); }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .92em; background: var(--surface-2); padding: .1em .4em; border-radius: 6px; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose blockquote { margin: 1.5em 0; padding: .2em 0 .2em 1.1em; border-left: 3px solid var(--teal); color: var(--text-2); }
.prose img { border-radius: var(--radius-sm); border: 1px solid var(--line); }
.prose table { border-collapse: collapse; width: 100%; font-size: 1rem; margin: 1.2em 0 1.6em; }
.prose th, .prose td { text-align: left; padding: .6em .7em; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { color: var(--text-3); font-weight: 600; font-size: .85rem; letter-spacing: .05em; text-transform: uppercase; }
.table-scroll { overflow-x: auto; }
.callout { margin: 1.6em 0; padding: 1.1rem 1.25rem; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface); }
.callout p { margin: 0; }
.callout p + p { margin-top: .6em; }
.callout__title { font-weight: 700; margin-bottom: .35em !important; }
.callout--tip { border-color: color-mix(in srgb, var(--teal) 45%, var(--line)); background: color-mix(in srgb, var(--teal) 8%, var(--surface)); }
.callout--warn { border-color: color-mix(in srgb, var(--amber) 55%, var(--line)); background: color-mix(in srgb, var(--amber) 10%, var(--surface)); }
.callout--note { background: var(--surface-2); }
.callout--app { border: 2px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--ramp) border-box; }
.callout--app .callout__title::before { content: "Faster way · "; color: var(--teal-ink); }
.app-cta { display: grid; grid-template-columns: 56px 1fr auto; gap: 1rem; align-items: center; margin: 2.2em 0; padding: 1.2rem 1.3rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.app-cta img.icon { width: 56px; height: 56px; border-radius: 14px; }
.app-cta strong { display: block; }
.app-cta p { color: var(--text-2); font-size: .98rem; margin: 0; }
@media (max-width: 600px) { .app-cta { grid-template-columns: 56px 1fr; } .app-cta .badge { grid-column: 1 / -1; } }
.related { border-top: 1px solid var(--line); padding-top: 2rem; margin-top: 3rem; }
.related h2 { font-size: 1.3rem; margin-bottom: 1rem; }
.related .card h3 { margin: 0; font-size: 1.15rem; }
.related .card .eyebrow { margin: 0; }
.author { display: flex; gap: 1rem; align-items: center; margin-top: 3rem; padding: 1.2rem; border-radius: var(--radius); background: var(--surface-2); font-size: .95rem; color: var(--text-2); }
.author img { width: 48px; height: 48px; border-radius: 50%; }

/* ---------- reveal on scroll (CSS scroll-driven; static fallback) ---------- */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .reveal { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 42%; }
    @keyframes reveal { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
  }
}
@view-transition { navigation: auto; }

/* ---------- device shots (finished renders: device + floating 3D callouts, alpha-feathered) ---------- */
.shot { width: 100%; height: auto; filter: drop-shadow(0 40px 70px rgba(0, 0, 0, .55)); }
.shot-wrap { position: relative; display: grid; place-items: center; }
.shot-wrap::before { content: ""; position: absolute; inset: 6% -8% 0; background: radial-gradient(52% 48% at 50% 55%, rgba(25, 178, 114, .26), transparent 72%); filter: blur(44px); z-index: -1; }

/* ---------- the three ideas (concept art) ---------- */
.ideas { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.75rem, 4vw, 3.25rem); }
.idea { display: grid; align-content: start; gap: .5rem; min-width: 0; }
.idea-art { margin-bottom: .75rem; }
.idea .idea-art { display: flex; align-items: center; justify-content: center; min-width: 0; height: clamp(230px, 23vw, 330px); }   /* flex so max-height resolves against the fixed height */
.idea-art .shot { max-width: 100%; max-height: 100%; width: auto; height: auto; }
.idea .eyebrow { margin-bottom: 0; }
.idea h3 { font-size: clamp(1.25rem, 1.05rem + .7vw, 1.5rem); }
.idea p:not(.eyebrow) { color: var(--text-2); font-size: 1.02rem; }
@media (max-width: 900px) { .ideas { grid-template-columns: 1fr; max-width: 30rem; margin-inline: auto; } .idea-art { height: min(58vw, 300px); } }

/* ---------- bands / spotlight ---------- */
.band { background: var(--band); }
/* Dark showcase band: the device renders are navy product shots, so they get a navy stage. */
.band-dark { background: linear-gradient(180deg, #0C1020 0%, var(--navy-1) 45%, #0C1020 100%); }
/* A navy showcase card for a render that sits inside a light section. */
.media-card { position: relative; border-radius: 26px; padding: clamp(1.25rem, 3vw, 2rem); background: radial-gradient(70% 60% at 50% 40%, #1B2440 0%, var(--navy-1) 55%, #0C1020 100%); box-shadow: var(--shadow-lg); overflow: hidden; }
.media-card::after { content: ""; position: absolute; inset: 0; border-radius: 26px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.07); pointer-events: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .media-card { background: none; box-shadow: none; padding: 0; } :root:not([data-theme="light"]) .media-card::after { display: none; } }
:root[data-theme="dark"] .media-card { background: none; box-shadow: none; padding: 0; }
:root[data-theme="dark"] .media-card::after { display: none; }
.media-card .shot { filter: drop-shadow(0 24px 44px rgba(0,0,0,.5)); }
.media-cap { margin-top: .8rem; text-align: center; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); }
.spotlight { background: radial-gradient(85% 75% at 72% 15%, #1B2E4A 0%, var(--navy-1) 50%, #0B0E1C 100%); }
.spotlight .wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; padding-block: clamp(3.5rem, 8vw, 6rem); }
.spotlight h2 { color: #fff; margin-top: .2rem; }
.spotlight .lede { color: #C9D6EA; margin-top: 1rem; }
.spotlight-visual { display: grid; justify-items: center; gap: .9rem; }
.spotlight-visual .shot { max-width: 420px; }
.hero-visual .shot { max-width: 500px; }
@media (max-width: 860px) { .hero-visual .shot { max-width: min(86vw, 400px); } }
.spotlight .example-tag { color: #94A3BE; }
.plain-list { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: .7rem; color: #E6EDF8; }
.plain-list li { display: flex; gap: .6rem; align-items: flex-start; }
.plain-list .ck { color: #3FD394; }
@media (max-width: 860px) { .spotlight .wrap { grid-template-columns: 1fr; } .spotlight-visual { order: 2; } }

/* ---------- misc ---------- */
.notice { padding: .8rem 1rem; border-radius: 12px; background: color-mix(in srgb, var(--amber) 14%, var(--surface)); border: 1px solid color-mix(in srgb, var(--amber) 55%, var(--line)); font-size: .95rem; }
.example-tag { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }