/* ============================================================
   Maitlen — Portfolio framework
   Minimal, editorial, senior-level. Light/dark aware.
   ============================================================ */

:root {
  /* Palette — neutral, warm-tinted */
  --bg:        #f7f6f3;
  --surface:   #ffffff;
  --ink:       #17171a;
  --ink-soft:  #55555c;
  --ink-muted: #8a8a92;
  --line:      #e4e2dc;
  --accent:    #17171a;
  --accent-warm: #d1735a;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;

  /* Rhythm */
  --wrap: 1120px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --section-y: clamp(4.5rem, 11vw, 9rem);
  --radius: 14px;
}

/* Dark palette — applied via explicit toggle OR system preference.
   The [data-theme] attribute (set by script.js) always wins over the media query. */
:root[data-theme="dark"] {
  --bg:        #0e0e10;
  --surface:   #17171a;
  --ink:       #f3f2ef;
  --ink-soft:  #b6b5b0;
  --ink-muted: #77777d;
  --line:      #26262a;
  --accent:    #f3f2ef;
  --accent-warm: #e2896e;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0e0e10;
    --surface:   #17171a;
    --ink:       #f3f2ef;
    --ink-soft:  #b6b5b0;
    --ink-muted: #77777d;
    --line:      #26262a;
    --accent:    #f3f2ef;
  }
}

/* ---------- Reset-ish ---------- */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth; -webkit-text-size-adjust: 100%;
  /* User-adjustable text size — all rem-based sizes scale from here */
  font-size: calc(100% * var(--font-scale, 1));
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem; /* ~17px at default scale */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- Accessibility preference modes (set on :root by the a11y panel) ---- */
:root[data-contrast="high"] {
  --ink-soft: var(--ink);
  --ink-muted: color-mix(in srgb, var(--ink) 78%, var(--bg));
  --line: color-mix(in srgb, var(--ink) 55%, var(--bg));
}
:root[data-links="underline"] main a,
:root[data-links="underline"] .footer a { text-decoration: underline; text-underline-offset: 3px; }
:root[data-motion="reduced"] * {
  animation-duration: .001ms !important; animation-iteration-count: 1 !important;
  transition-duration: .001ms !important; scroll-behavior: auto !important;
}
:root[data-motion="reduced"] .section,
:root[data-motion="reduced"] .clients { opacity: 1 !important; transform: none !important; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; line-height: 1.1; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.muted { color: var(--ink-muted); }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: .6rem 1rem; border-radius: 8px; z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.eyebrow {
  font-size: .8rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-muted); font-weight: 500; margin-bottom: 1.25rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .95rem; font-weight: 500; padding: .8rem 1.4rem;
  border-radius: 999px; border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn--solid { background: var(--ink); color: var(--bg); }
.btn--solid:hover { opacity: .88; }
.btn--ghost { border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--text { padding-inline: .25rem; color: var(--ink-soft); }
.btn--text:hover { color: var(--ink); }
.btn__arrow { color: var(--accent-warm); margin-left: .35em; transition: transform .15s ease; }
.btn:hover .btn__arrow { transform: translateX(2px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 1rem; height: 68px; }
.nav__logo { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; font-size: 1.15rem; }
.nav__logo .dot { color: var(--accent-warm); }
.nav__menu { display: flex; align-items: center; gap: 1.5rem; margin-left: auto; }
.nav__links { display: flex; gap: 1.5rem; }
.nav__links a { color: var(--ink-soft); font-size: .95rem; }
.nav__links a:hover { color: var(--ink); }
.nav__cta { margin-left: .25rem; border-color: var(--accent-warm); color: var(--accent-warm); }
.nav__cta:hover { background: var(--accent-warm); border-color: var(--accent-warm); color: #fff; }
/* Below this width, drop the redundant CTA (Contact link + Search remain) */
@media (max-width: 980px) and (min-width: 721px) { .nav__cta { display: none; } }

/* Hamburger — hidden on desktop */
.nav__burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer;
}
.nav__burger span {
  display: block; height: 1.5px; width: 100%; background: var(--ink);
  transition: transform .25s ease, opacity .2s ease;
}

/* Theme toggle */
.theme-toggle {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; padding: 0;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--ink-soft); cursor: pointer;
  transition: border-color .2s ease, color .2s ease, transform .15s ease;
}
.theme-toggle:hover { border-color: var(--ink); color: var(--ink); }
.theme-toggle:active { transform: translateY(1px); }
.theme-toggle svg { width: 18px; height: 18px; }
/* Show the sun in dark mode (tap to go light), the moon in light mode */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (max-width: 720px) {
  .theme-toggle { margin-left: auto; }
  .nav__burger { display: flex; }

  /* Menu becomes a drop panel */
  .nav__menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    margin-left: 0; padding: 0 var(--gutter);
    background: var(--bg); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height .32s ease, opacity .2s ease, padding .32s ease;
  }
  .nav.is-open .nav__menu { max-height: 340px; opacity: 1; padding: .5rem var(--gutter) 1.5rem; }
  .nav__links { flex-direction: column; gap: 0; }
  .nav__links a { padding: .9rem 0; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .nav__cta { margin: 1.25rem 0 0; align-self: flex-start; }

  /* Burger → X */
  .nav.is-open .nav__burger span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav.is-open .nav__burger span:last-child  { transform: translateY(-3px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero { padding-top: clamp(3.5rem, 9vw, 7rem); padding-bottom: var(--section-y); }
.hero__title {
  font-size: clamp(2.6rem, 7vw, 5.25rem);
  max-width: 16ch; margin-bottom: 1.75rem;
}
.hero__title .muted { display: block; }
.hero__accent { display: block; font-style: italic; color: var(--accent-warm, #d1735a); }
.hero__lede {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--ink-soft); max-width: 52ch; margin-bottom: 2.5rem;
}
.hero__actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }

/* ---------- Clients ---------- */
.clients {
  display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
  padding-block: 2.5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.clients__label { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
.clients__list { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.clients__list li { color: var(--ink-soft); font-weight: 500; letter-spacing: -0.01em; }

/* ---------- Section scaffold ---------- */
.section { padding-block: var(--section-y); }
.section__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; margin-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line); padding-bottom: 1.25rem;
}
.section__title { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
.section__meta { color: var(--ink-muted); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.section__lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--ink-soft);
  max-width: 52ch; margin: -1rem 0 clamp(2rem, 4vw, 3rem);
}

/* ---------- Cases ---------- */
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (max-width: 720px) { .cases { grid-template-columns: 1fr; } }

.case {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--surface);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.case:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--ink) 25%, var(--line)); box-shadow: 0 18px 40px -24px rgba(0,0,0,.35); }
.case__media {
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(120% 120% at 20% 10%, color-mix(in srgb, var(--ink) 8%, var(--surface)) 0%, transparent 55%),
    linear-gradient(135deg, color-mix(in srgb, var(--ink) 6%, var(--surface)), var(--surface));
  border-bottom: 1px solid var(--line);
}
.case__media { overflow: hidden; }
.case__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.case__media--tall img { object-position: center top; }
.case__body { padding: clamp(1.25rem, 2.5vw, 1.9rem); display: flex; flex-direction: column; gap: .75rem; }
.case__tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.case__tags span {
  font-size: .75rem; letter-spacing: .02em; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: .2rem .65rem;
}
.case__title { font-size: clamp(1.15rem, 2.2vw, 1.5rem); letter-spacing: -0.02em; }
.case__desc { color: var(--ink-soft); }
.case__link { color: var(--ink-muted); font-size: .9rem; margin-top: .25rem; transition: color .2s ease; }
.case:hover .case__link { color: var(--ink); }
.case__link--muted { color: var(--ink-muted); }

/* Featured (signature) card — spans full width, media beside body on wide screens */
.case--feature { grid-column: 1 / -1; }
@media (min-width: 721px) {
  .case--feature { flex-direction: row; }
  .case--feature .case__media { flex: 1 1 55%; aspect-ratio: auto; border-bottom: 0; border-right: 1px solid var(--line); min-height: 340px; }
  .case--feature .case__body { flex: 1 1 45%; justify-content: center; padding: clamp(1.75rem, 3.5vw, 3rem); }
  .case--feature .case__title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
  .case--feature .case__desc { font-size: 1.1rem; max-width: 34ch; }
}

/* In-progress card — not a link, visibly pending */
.case--soon { cursor: default; }
.case--soon:hover { transform: none; border-color: var(--line); box-shadow: none; }
.case--soon .case__media { opacity: .6; }
.case--soon .case__title { color: var(--ink-soft); }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(2rem, 6vw, 5rem); }
@media (max-width: 720px) { .about__grid { grid-template-columns: 1fr; } }
.about__lead { display: flex; flex-direction: column; gap: 1.25rem; font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 56ch; }
.about__lead p:first-child { color: var(--ink); }
.about__facts { display: flex; flex-direction: column; gap: 1.1rem; }
.about__facts div { display: flex; flex-direction: column; gap: .15rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.about__facts dt { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.about__facts dd { margin: 0; font-weight: 500; }

/* ---------- Approach ---------- */
.approach { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (max-width: 900px) { .approach { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .approach { grid-template-columns: 1fr; } }
.approach li { display: flex; flex-direction: column; gap: .5rem; }
.approach__num { font-size: .85rem; color: var(--ink-muted); font-variant-numeric: tabular-nums; letter-spacing: .05em; }
.approach h3 { font-size: 1.2rem; }
.approach p { color: var(--ink-soft); font-size: .98rem; }

/* ---------- AI fit-check ---------- */
.fit__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 6vw, 4.5rem); align-items: start; }
@media (max-width: 820px) { .fit__grid { grid-template-columns: 1fr; } }
.fit__lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink); max-width: 42ch; }
.fit__note { margin-top: 1.25rem; font-size: .9rem; color: var(--ink-muted); max-width: 42ch; }

.fit__label { display: block; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: .6rem; }
.fit__input {
  width: 100%; resize: vertical; min-height: 130px;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.15rem; font: inherit; font-size: 1rem; line-height: 1.55;
  transition: border-color .2s ease;
}
.fit__input:focus { outline: none; border-color: var(--ink); }
.fit__input::placeholder { color: var(--ink-muted); }
.fit__actions { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; }

.fit__result { margin-top: 1.75rem; }
.fit__result[hidden] { display: none; }
.fit__card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); padding: clamp(1.25rem, 3vw, 1.9rem);
  display: flex; flex-direction: column; gap: 1.25rem;
}
.fit__score { display: flex; align-items: center; gap: 1.15rem; }
.fit__meter { --v: 0; position: relative; width: 62px; height: 62px; flex: none; border-radius: 50%;
  background: conic-gradient(var(--ink) calc(var(--v) * 1%), var(--line) 0); }
.fit__meter::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; background: var(--surface); }
.fit__meter span { position: absolute; inset: 0; display: grid; place-items: center; z-index: 1; font-weight: 600; font-size: 1rem; font-variant-numeric: tabular-nums; }
.fit__score-copy strong { font-family: var(--font-display); font-weight: 500; font-size: 1.2rem; display: block; }
.fit__score-copy span { color: var(--ink-soft); font-size: .92rem; }
.fit__summary { color: var(--ink-soft); line-height: 1.6; }
.fit__block h4 { font-family: var(--font-sans); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); font-weight: 600; margin-bottom: .7rem; }
.fit__chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.fit__chip { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: .3rem .75rem; }
.fit__chip b { font-weight: 600; }
.fit__chip--soft { color: var(--ink-soft); }
.fit__evidence { display: flex; flex-direction: column; gap: .5rem; }
.fit__evidence a { display: flex; gap: .6rem; color: var(--ink-soft); font-size: .92rem; }
.fit__evidence a:hover { color: var(--ink); }
.fit__evidence a::before { content: "→"; color: var(--ink-muted); }
.fit__cta { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; padding-top: .25rem; }
.fit__disclaimer { font-size: .78rem; color: var(--ink-muted); }
.fit__spinner { display: inline-block; width: 15px; height: 15px; border: 2px solid var(--line); border-top-color: var(--ink); border-radius: 50%; animation: fit-spin .7s linear infinite; vertical-align: -2px; margin-right: .5rem; }
@keyframes fit-spin { to { transform: rotate(360deg); } }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact__title { font-size: clamp(2rem, 6vw, 4rem); max-width: 18ch; margin: 0 auto 2rem; letter-spacing: -0.03em; }
.contact__email {
  display: inline-block; font-size: clamp(1.1rem, 3vw, 1.5rem); font-weight: 500;
  border-bottom: 1px solid var(--line); padding-bottom: .25rem; transition: border-color .2s ease;
}
.contact__email:hover { border-color: var(--ink); }
.contact__links { display: flex; gap: 1.75rem; justify-content: center; flex-wrap: wrap; margin-top: 2.5rem; }
.contact__links a { color: var(--ink-soft); font-size: .95rem; }
.contact__links a:hover { color: var(--ink); }

/* ---------- Footer ---------- */
.footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 2.5rem; border-top: 1px solid var(--line);
  color: var(--ink-muted); font-size: .9rem;
}
.footer__top:hover { color: var(--ink); }

/* ============================================================
   Case study page
   ============================================================ */
.cs-head { padding-top: clamp(2.5rem, 6vw, 4.5rem); padding-bottom: clamp(2rem, 4vw, 3rem); }
.cs-back { color: var(--ink-soft); font-size: .95rem; display: inline-block; margin-bottom: 2.5rem; }
.cs-back:hover { color: var(--ink); }
.cs-title { font-size: clamp(2.2rem, 5.5vw, 4rem); max-width: 20ch; margin-bottom: 1.5rem; }
.cs-summary { font-size: clamp(1.1rem, 2.2vw, 1.4rem); color: var(--ink-soft); max-width: 60ch; }
.cs-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line);
}
@media (max-width: 640px) { .cs-meta { grid-template-columns: repeat(2, 1fr); } }
.cs-meta dt { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: .35rem; }
.cs-meta dd { margin: 0; font-weight: 500; }

.cs-hero { margin-block: clamp(1.5rem, 4vw, 3rem); }
.cs-hero__media {
  aspect-ratio: 16 / 9; border-radius: var(--radius); border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 25% 15%, color-mix(in srgb, var(--ink) 9%, var(--surface)) 0%, transparent 55%),
    linear-gradient(135deg, color-mix(in srgb, var(--ink) 6%, var(--surface)), var(--surface));
}

/* Narrower reading column for body */
.cs-body { max-width: 760px; }
.cs-section { margin-block: clamp(2.5rem, 6vw, 4rem); }
.cs-section__n {
  display: block; font-family: var(--font-sans); font-size: .78rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted);
  font-weight: 600; margin-bottom: .85rem;
  padding-bottom: .85rem; border-bottom: 1px solid var(--line);
}
.cs-section h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 1rem; }

/* Draft note + fill-in placeholders (remove/replace before publishing) */
.cs-draftnote {
  margin-top: clamp(1.5rem, 4vw, 2.5rem); padding: .9rem 1.15rem;
  border: 1px dashed var(--line); border-radius: 10px;
  color: var(--ink-muted); font-size: .9rem;
}
.cs-fill {
  background: color-mix(in srgb, #f5c451 30%, transparent);
  color: var(--ink); border-radius: 3px; padding: 0 .25em;
  box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.cs-results strong.cs-fill { display: inline-block; padding: 0 .3em; }
.cs-section p { color: var(--ink-soft); margin-bottom: 1rem; }
.cs-lead { font-size: 1.15rem; color: var(--ink) !important; }
.cs-list { display: flex; flex-direction: column; gap: .75rem; margin-top: 1.25rem; }
.cs-list li { position: relative; padding-left: 1.5rem; color: var(--ink-soft); }
.cs-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-muted); }

.cs-quote {
  margin: 2rem 0; padding: 1.5rem 0 1.5rem 1.75rem;
  border-left: 2px solid var(--ink); font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.7rem); line-height: 1.3; letter-spacing: -0.01em;
}
.cs-quote cite { display: block; margin-top: 1rem; font-family: var(--font-sans); font-size: .9rem; font-style: normal; color: var(--ink-muted); }

.cs-figure { margin-block: clamp(2.5rem, 6vw, 4rem); }
.cs-figure__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; align-items: start; }
@media (max-width: 640px) { .cs-figure__grid { grid-template-columns: 1fr; } }
.cs-figure__grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 720px) { .cs-figure__grid--3 { grid-template-columns: 1fr; } }

/* Real case-study imagery */
.cs-img { width: 100%; height: auto; display: block; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.cs-img--bare { border: 0; background: none; border-radius: 0; } /* device mockups w/ transparent bg */
.cs-logos { display: flex; align-items: center; gap: 2.25rem; flex-wrap: wrap; margin-top: 1.75rem; }
.cs-logos img { height: 26px; width: auto; opacity: .75; }
:root[data-theme="dark"] .cs-logos img { filter: invert(1) grayscale(1) brightness(1.8); opacity: .6; }
.cs-phones { display: flex; gap: 1.25rem; overflow-x: auto; padding-bottom: 1rem; scroll-snap-type: x mandatory; }
.cs-phones img { height: 480px; width: auto; flex: none; scroll-snap-align: center; }
@media (max-width: 520px) { .cs-phones img { height: 380px; } }
.cs-figure__media {
  aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in srgb, var(--ink) 6%, var(--surface)), var(--surface));
}
.cs-figure__media--wide { aspect-ratio: 16 / 8; }
.cs-figure figcaption { margin-top: .9rem; font-size: .88rem; color: var(--ink-muted); text-align: center; }

.cs-results {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
  margin-block: clamp(2.5rem, 6vw, 4rem); padding: 2rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
@media (max-width: 640px) { .cs-results { grid-template-columns: 1fr; text-align: left; } }
.cs-results div { display: flex; flex-direction: column; gap: .35rem; }
.cs-results strong { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 2.75rem); font-weight: 500; }
.cs-results span { color: var(--ink-soft); font-size: .95rem; }

.cs-next {
  display: flex; flex-direction: column; gap: .5rem;
  margin-top: clamp(3rem, 7vw, 5rem); padding-block: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--line);
}
.cs-next__label { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
.cs-next__title { font-family: var(--font-display); font-size: clamp(1.5rem, 4vw, 2.5rem); letter-spacing: -0.01em; transition: opacity .2s ease; }
.cs-next:hover .cs-next__title { opacity: .6; }

/* ============================================================
   Global search — command palette
   ============================================================ */
.nav__search {
  display: inline-flex; align-items: center; gap: .55rem;
  height: 40px; padding: 0 .9rem 0 .8rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: transparent; color: var(--ink-soft); cursor: pointer;
  font: inherit; font-size: .9rem; transition: border-color .2s ease, color .2s ease;
}
.nav__search:hover { border-color: var(--ink); color: var(--ink); }
.nav__search svg { width: 16px; height: 16px; }
.nav__search kbd {
  font: inherit; font-size: .72rem; color: var(--ink-muted);
  border: 1px solid var(--line); border-radius: 5px; padding: .05rem .35rem; margin-left: .15rem;
}
.nav__search .nav__search-label { display: inline; }
@media (max-width: 860px) { .nav__search kbd { display: none; } }
@media (max-width: 720px) { .nav__search .nav__search-label { display: none; } .nav__search { padding: 0; width: 40px; justify-content: center; } }

.cmdk { position: fixed; inset: 0; z-index: 200; display: none; }
.cmdk[data-open="true"] { display: block; }
.cmdk__scrim { position: absolute; inset: 0; background: rgba(10,10,12,.4); backdrop-filter: blur(3px); }
.cmdk__panel {
  position: absolute; left: 50%; top: 12vh; transform: translateX(-50%);
  width: min(90vw, 620px); background: var(--surface);
  border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.55);
}
.cmdk__search { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.cmdk__search svg { width: 18px; height: 18px; color: var(--ink-muted); flex: none; }
.cmdk__input { flex: 1; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 1.05rem; outline: none; }
.cmdk__input::placeholder { color: var(--ink-muted); }
.cmdk__esc { font-size: .72rem; color: var(--ink-muted); border: 1px solid var(--line); border-radius: 5px; padding: .1rem .4rem; }
.cmdk__results { max-height: 56vh; overflow-y: auto; padding: .5rem; }
.cmdk__group-label { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); padding: .75rem .85rem .35rem; }
.cmdk__item { display: flex; align-items: baseline; gap: .75rem; padding: .7rem .85rem; border-radius: 10px; cursor: pointer; }
.cmdk__item[aria-selected="true"] { background: color-mix(in srgb, var(--ink) 7%, var(--surface)); }
.cmdk__item-title { font-weight: 500; }
.cmdk__item-snip { color: var(--ink-muted); font-size: .88rem; margin-left: auto; text-align: right; max-width: 45%; }
.cmdk__item mark { background: color-mix(in srgb, #f5c451 55%, transparent); color: inherit; border-radius: 3px; padding: 0 .1em; }
.cmdk__empty { padding: 2rem 1rem; text-align: center; color: var(--ink-muted); }
.cmdk__foot { display: flex; gap: 1.25rem; padding: .6rem 1.25rem; border-top: 1px solid var(--line); font-size: .78rem; color: var(--ink-muted); }
.cmdk__foot kbd { font: inherit; border: 1px solid var(--line); border-radius: 4px; padding: 0 .3rem; }

/* ============================================================
   Accessibility controls — floating panel
   ============================================================ */
.a11y-fab {
  position: fixed; left: 1.25rem; bottom: 1.25rem; z-index: 150;
  display: inline-grid; place-items: center; width: 52px; height: 52px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); color: var(--ink); cursor: pointer;
  box-shadow: 0 10px 30px -12px rgba(0,0,0,.4); transition: transform .18s ease;
}
.a11y-fab:hover { transform: translateY(-2px); }
.a11y-fab svg { width: 24px; height: 24px; }

.a11y-panel {
  position: fixed; left: 1.25rem; bottom: 5.5rem; z-index: 151;
  width: min(92vw, 320px); background: var(--surface);
  border: 1px solid var(--line); border-radius: 16px; padding: 1.1rem;
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.5);
  display: none; flex-direction: column; gap: 1rem;
}
.a11y-panel[data-open="true"] { display: flex; }
.a11y-panel__head { display: flex; align-items: center; justify-content: space-between; }
.a11y-panel__head h2 { font-family: var(--font-sans); font-size: .95rem; font-weight: 600; letter-spacing: 0; }
.a11y-panel__close { background: none; border: 0; color: var(--ink-muted); cursor: pointer; font-size: 1.25rem; line-height: 1; }
.a11y-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.a11y-row__label { font-size: .9rem; }
.a11y-row__label small { display: block; color: var(--ink-muted); font-size: .78rem; }

.a11y-size { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.a11y-size button { border: 0; background: transparent; color: var(--ink); cursor: pointer; padding: .35rem .7rem; font: inherit; }
.a11y-size button:hover { background: color-mix(in srgb, var(--ink) 8%, var(--surface)); }
.a11y-size span { min-width: 3.2ch; text-align: center; font-size: .82rem; color: var(--ink-muted); font-variant-numeric: tabular-nums; }

/* Accessible switch */
.a11y-switch { position: relative; width: 42px; height: 24px; flex: none; cursor: pointer; }
.a11y-switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.a11y-switch .track { position: absolute; inset: 0; background: var(--line); border-radius: 999px; transition: background .2s ease; }
.a11y-switch .thumb { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .2s ease; }
.a11y-switch input:checked ~ .track { background: var(--ink); }
.a11y-switch input:checked ~ .thumb { transform: translateX(18px); }
.a11y-switch input:focus-visible ~ .track { outline: 2px solid var(--ink); outline-offset: 2px; }
.a11y-panel__reset { align-self: flex-start; background: none; border: 0; color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font: inherit; font-size: .82rem; padding: 0; }

/* Shared focus-visible treatment for keyboard users */
a:focus-visible, button:focus-visible, input:focus-visible, .case:focus-visible {
  outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px;
}

@media (max-width: 720px) {
  .a11y-fab { width: 46px; height: 46px; left: 1rem; bottom: 1rem; }
}

/* ---------- Progressive load reveal (first screen, top → bottom) ---------- */
.js .u-load { opacity: 0; transform: translateY(22px); }
html.is-loaded .u-load {
  opacity: 1; transform: none;
  transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reveal on scroll (below the fold) ---------- */
.section { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.section.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .section { opacity: 1; transform: none; transition: none; }
  .js .u-load, html.is-loaded .u-load { opacity: 1; transform: none; transition: none; }
  .case, .btn { transition: none; }
}
/* Honor the in-page "Reduce motion" toggle too */
:root[data-motion="reduced"] .u-load { opacity: 1 !important; transform: none !important; transition: none !important; }