/* Ferah landing. Follows the system appearance; no web fonts (SF on Apple devices). */
:root {
  --bg: #f6f8f9;
  --bg-alt: #eef2f3;
  --surface: #ffffff;
  --surface-2: #f2f5f6;
  --text: #0d1418;
  --text-2: #4a5761;
  --text-3: #74818b;
  --border: rgba(13, 20, 24, .09);
  --border-strong: rgba(13, 20, 24, .16);
  --accent: #2b8f84;
  --accent-ink: #1f7a70;
  --accent-soft: rgba(43, 143, 132, .11);
  --blue: #3a6fb5;
  --grad: linear-gradient(120deg, #3aa898 0%, #3b86b8 55%, #4a6fc4 100%);
  --ok: #2f9e5b; --info: #3478f6; --warn: #e8890c; --muted: #8a949c;
  --c1: #3478f6; --c2: #6cb8e8; --c3: #f29d38; --c4: #ec4d5f; --c5: #45c3b4; --c6: #a05be0;
  --shadow: 0 1px 2px rgba(13, 20, 24, .05), 0 12px 32px -12px rgba(13, 20, 24, .18);
  --shadow-lg: 0 2px 6px rgba(13, 20, 24, .06), 0 40px 80px -30px rgba(20, 40, 60, .35);
  --r: 14px; --r-lg: 22px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0e13;
    --bg-alt: #0e141a;
    --surface: #131a21;
    --surface-2: #18212a;
    --text: #eef3f6;
    --text-2: #a8b4bd;
    --text-3: #7d8a94;
    --border: rgba(255, 255, 255, .08);
    --border-strong: rgba(255, 255, 255, .15);
    --accent: #4cc2b1;
    --accent-ink: #6fd6c6;
    --accent-soft: rgba(76, 194, 177, .13);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px -12px rgba(0, 0, 0, .6);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .3), 0 40px 90px -30px rgba(0, 0, 0, .8);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.55 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); color: var(--text); margin: 0; letter-spacing: -.022em; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code { font: .88em var(--mono); background: var(--surface-2); border: 1px solid var(--border); padding: .08em .35em; border-radius: 6px; word-break: break-word; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.i { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.wrap--narrow { width: min(820px, 100% - 32px); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--surface); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px);
  background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--border); }
.nav__in { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font: 600 19px/1 var(--font-display); letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav__links { margin-left: 12px; }
.nav__links ul { display: flex; gap: 4px; }
.nav__links a { display: block; padding: 7px 11px; border-radius: 9px; color: var(--text-2); font-size: 14.5px; font-weight: 500; }
.nav__links a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav__end { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.langs { display: inline-flex; padding: 3px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; }
.langs a { padding: 4px 9px; border-radius: 7px; font: 600 12.5px/1.3 var(--font); color: var(--text-3); letter-spacing: .02em; }
.langs a:hover { text-decoration: none; color: var(--text); }
.langs a[aria-current] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.nav__toggle { display: none; background: none; border: 0; color: var(--text); padding: 8px; margin-right: -8px; border-radius: 8px; cursor: pointer; }
.nav__toggle .i { width: 22px; height: 22px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border-radius: 12px; border: 0;
  background: var(--grad); color: #fff; font: 600 15.5px/1.2 var(--font); letter-spacing: -.005em; cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 8px 20px -8px rgba(43, 120, 150, .7); transition: transform .15s ease, box-shadow .2s ease, filter .2s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); filter: brightness(1.05); box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 14px 28px -10px rgba(43, 120, 150, .75); }
.btn:active { transform: translateY(0); }
.btn .i { width: 19px; height: 19px; }
.btn--sm { padding: 8px 13px; font-size: 14px; border-radius: 10px; }
.btn--sm .i { width: 17px; height: 17px; }
.btn--lg { padding: 15px 24px; font-size: 17px; border-radius: 14px; }
.btn--lg .i { width: 21px; height: 21px; }
.btn--ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.btn--ghost:hover { filter: none; box-shadow: var(--shadow); background: var(--surface-2); }

/* Hero */
.hero { position: relative; padding: 84px 0 40px; overflow: hidden; }
.hero__glow { position: absolute; inset: -20% -10% auto; height: 760px; pointer-events: none; z-index: -1;
  background: radial-gradient(40% 50% at 30% 30%, rgba(69, 195, 180, .22), transparent 70%),
              radial-gradient(40% 50% at 72% 22%, rgba(58, 111, 181, .22), transparent 70%); }
.hero__in { text-align: center; display: flex; flex-direction: column; align-items: center; }
.eyebrow, .kicker { display: inline-flex; align-items: center; gap: 8px; font: 600 13.5px/1.3 var(--font); letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
.kicker .i { width: 17px; height: 17px; }
.eyebrow { text-transform: none; letter-spacing: 0; font-size: 14px; padding: 6px 12px; border-radius: 999px; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.hero h1 { margin-top: 22px; font-size: clamp(40px, 7vw, 76px); line-height: 1.03; font-weight: 700; letter-spacing: -.035em; max-width: 17ch; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--text-2); font-size: clamp(17px, 2vw, 20px); line-height: 1.55; }
.hero .lead { margin-top: 22px; max-width: 640px; }
.hero__ctas { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; align-items: flex-start; }
.dl { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.dl__meta { font-size: 13.5px; color: var(--text-3); }
.dl__mobile { font-size: 14px; color: var(--warn); max-width: 300px; }
.req { margin-top: 18px; font-size: 13.5px; color: var(--text-3); }
.hero__shot { margin-top: 56px; perspective: 1800px; }
.window { border-radius: 13px; overflow: hidden; background: var(--surface); box-shadow: var(--shadow-lg); outline: 1px solid var(--border-strong); outline-offset: -1px; }
.window img { width: 100%; }
.js .hero__shot .window { transform: rotateX(8deg) scale(.98); transform-origin: 50% 0; transition: transform 1.1s cubic-bezier(.2, .7, .2, 1); }
.hero__shot.is-in .window { transform: none; }
.trust { margin-top: 44px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; color: var(--text-2); font-size: 14.5px; font-weight: 500; }
.trust li { display: inline-flex; align-items: center; gap: 7px; }
.trust .i { color: var(--accent); width: 18px; height: 18px; }

/* Sections */
.sec { padding: 104px 0; position: relative; }
.sec--alt { background: var(--bg-alt); }
.sec__head { text-align: center; max-width: 760px; margin: 0 auto 52px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.sec__head--left { text-align: left; align-items: flex-start; margin: 0 0 34px; }
.sec h2 { font-size: clamp(30px, 4.4vw, 48px); line-height: 1.08; font-weight: 700; }
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border-strong); color: var(--text-2); font-size: 11.5px; letter-spacing: .03em; text-transform: none; }

/* Why: pains + answer */
.pains { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pain { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; box-shadow: var(--shadow); }
.pain h3 { margin-top: 16px; font-size: 18px; font-weight: 650; }
.pain p { margin-top: 6px; color: var(--text-2); font-size: 15.5px; line-height: 1.5; }
.tile--warm { background: linear-gradient(135deg, #f2a65a, #e0604f); box-shadow: 0 6px 14px -6px rgba(224, 96, 79, .6); }
.answer { margin: 34px auto 0; max-width: 760px; display: flex; gap: 14px; align-items: center; justify-content: center; text-align: left;
  padding: 18px 22px; border-radius: var(--r-lg); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  font: 600 clamp(16.5px, 1.8vw, 19px)/1.45 var(--font-display); color: var(--text); letter-spacing: -.01em; }
.answer .i { color: var(--accent); width: 26px; height: 26px; }

/* Who: personas */
.personas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.persona { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 26px; box-shadow: var(--shadow); }
.persona__tag { display: inline-flex; align-items: center; gap: 10px; font: 650 14px/1.2 var(--font); color: var(--accent-ink); letter-spacing: .01em; }
.persona__tag .tile { width: 36px; height: 36px; border-radius: 10px; }
.persona__tag .tile .i { width: 19px; height: 19px; }
.persona h3 { margin-top: 18px; font-size: 21px; line-height: 1.22; font-weight: 700; }
.persona__pain { margin-top: 10px; color: var(--text-2); font-size: 15.5px; line-height: 1.5; }
.persona__label { margin-top: 20px; font: 600 12.5px/1.2 var(--font); text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); }
.persona__finds { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.persona__finds li { display: flex; gap: 9px; font-size: 15px; color: var(--text); }
.persona__finds .i { color: var(--accent); width: 18px; height: 18px; margin-top: 2px; }
.persona__out { margin-top: 20px; display: flex; gap: 10px; padding: 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); font-size: 14.5px; line-height: 1.45; }
.persona__out .i { color: var(--ok); width: 19px; height: 19px; margin-top: 1px; }

/* Storage bar */
.bar { margin: 0 auto 48px; max-width: 980px; }
.bar__track { display: flex; gap: 4px; height: 76px; padding: 6px; border-radius: 18px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.seg { position: relative; flex: var(--w) 1 0; min-width: 76px; border-radius: 12px; display: flex; flex-direction: column; justify-content: center; padding: 0 12px; color: #fff; overflow: hidden;
  transform-origin: left; transition: transform .9s cubic-bezier(.2, .7, .2, 1); }
.js .bar:not(.is-in) .seg { transform: scaleX(.001); }
.bar.is-in .seg { transform: none; }
.bar.is-in .seg:nth-child(2) { transition-delay: .08s; } .bar.is-in .seg:nth-child(3) { transition-delay: .16s; }
.bar.is-in .seg:nth-child(4) { transition-delay: .24s; } .bar.is-in .seg:nth-child(5) { transition-delay: .32s; } .bar.is-in .seg:nth-child(6) { transition-delay: .4s; }
.seg b { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.seg i { font-style: normal; font-size: 12.5px; opacity: .88; white-space: nowrap; }
.seg.c1 { background: var(--c1); } .seg.c2 { background: var(--c2); } .seg.c3 { background: var(--c3); }
.seg.c4 { background: var(--c4); } .seg.c5 { background: var(--c5); } .seg.c6 { background: var(--c6); }
.bar figcaption { margin-top: 12px; text-align: center; font-size: 13px; color: var(--text-3); }

/* Feature cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-3px); }
.card h3 { margin-top: 16px; font-size: 17.5px; font-weight: 650; }
.card p { margin-top: 6px; color: var(--text-2); font-size: 15px; line-height: 1.5; }
.tile { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--grad); color: #fff; box-shadow: 0 6px 14px -6px rgba(43, 120, 150, .7); }
.tile .i { width: 22px; height: 22px; }
.tile--soft { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); box-shadow: none; color: #7fe0d0; }

/* Split layouts */
.split { display: grid; grid-template-columns: .92fr 1.25fr; gap: 64px; align-items: center; }
.split--rev { grid-template-columns: 1fr 1fr; }
.window--tilt { transform: perspective(1600px) rotateY(-7deg); transition: transform .6s ease; }
.window--tilt:hover { transform: perspective(1600px) rotateY(-2deg); }
.window--narrow { max-width: 380px; justify-self: center; border-radius: 16px; }

/* Data classes */
.classes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cls { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 18px; box-shadow: var(--shadow); }
.cls .dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--c, var(--muted)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c, var(--muted)) 18%, transparent); }
.cls--ok { --c: var(--ok); } .cls--info { --c: var(--info); } .cls--warn { --c: var(--warn); } .cls--muted { --c: var(--muted); }
.cls h3 { margin-top: 12px; font-size: 16.5px; font-weight: 650; }
.cls p { margin-top: 5px; color: var(--text-2); font-size: 14.5px; line-height: 1.5; }
.cls .cls__ex { margin-top: 10px; font: 12.5px/1.4 var(--mono); color: var(--text-3); }

/* Steps */
.steps { display: flex; flex-direction: column; gap: 6px; counter-reset: s; }
.steps li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.steps li:last-child { border-bottom: 0; }
.step__n { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 650 15px/1 var(--font); color: var(--accent-ink); background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.steps h3 { font-size: 18px; font-weight: 650; }
.steps p { margin-top: 4px; color: var(--text-2); font-size: 15.5px; }

/* Safety (always dark) */
.sec--dark { background: radial-gradient(60% 80% at 80% 0%, rgba(58, 111, 181, .28), transparent 60%), radial-gradient(50% 70% at 0% 100%, rgba(69, 195, 180, .2), transparent 60%), #071016; color: #e9f1f4; }
.sec--dark h2, .sec--dark h3 { color: #fff; }
.sec--dark .lead { color: #a7b8c2; }
.sec--dark .kicker { color: #7fe0d0; }
.safety { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.safety li { display: flex; gap: 16px; padding: 22px; border-radius: var(--r-lg); background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); }
.safety h3 { font-size: 17.5px; font-weight: 650; }
.safety p { margin-top: 6px; color: #a7b8c2; font-size: 15px; line-height: 1.5; }

/* AI */
.ticks { display: flex; flex-direction: column; gap: 14px; }
.ticks li { display: flex; gap: 12px; color: var(--text-2); }
.ticks .i { color: var(--accent); margin-top: 3px; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 16px; align-items: stretch; }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.plan--main { border: 1.5px solid color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 0 0 6px var(--accent-soft), var(--shadow); }
.plan h3 { font-size: 18px; font-weight: 650; }
.plan__price { margin-top: 12px; color: var(--text-3); font-size: 15px; }
.plan__price b { font: 700 42px/1 var(--font-display); color: var(--text); letter-spacing: -.03em; }
.plan > ul { margin: 22px 0 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.plan > ul li { display: flex; gap: 10px; color: var(--text-2); font-size: 15px; }
.plan > ul .i { color: var(--accent); width: 18px; height: 18px; margin-top: 2px; }
.plan__cta { text-align: center; padding: 11px; border-radius: 12px; background: var(--surface-2); border: 1px dashed var(--border-strong); color: var(--text-2); font-size: 14.5px; font-weight: 600; }
.note { margin-top: 22px; text-align: center; font-size: 13.5px; color: var(--text-3); }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 10px; }
.qa { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow); }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: ""; flex: none; width: 10px; height: 10px; border-right: 2px solid var(--text-3); border-bottom: 2px solid var(--text-3); transform: rotate(45deg) translate(-2px, -2px); transition: transform .2s ease; }
.qa[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.qa h3 { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.qa p { padding: 0 20px 20px; color: var(--text-2); font-size: 16px; }

/* Final CTA */
.final { padding: 40px 0 120px; }
.final__in { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 64px 24px; border-radius: 30px;
  background: radial-gradient(60% 90% at 50% 0%, var(--accent-soft), transparent 70%), var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.final__icon { width: 96px; height: 96px; filter: drop-shadow(0 14px 24px rgba(43, 120, 150, .35)); }
.final h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.1; font-weight: 700; max-width: 18ch; }
.final .lead { max-width: 560px; }
.final .dl { margin-top: 10px; }
.final .req { margin-top: 2px; }

/* Footer */
.foot { border-top: 1px solid var(--border); padding: 56px 0 34px; font-size: 14.5px; color: var(--text-2); }
.foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.foot__brand p { margin-top: 12px; max-width: 320px; }
.foot__langs a { color: var(--text-2); }
.foot h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); font-weight: 600; margin-bottom: 12px; }
.foot ul { display: flex; flex-direction: column; gap: 8px; }
.foot ul a { color: var(--text-2); }
.foot ul a:hover { color: var(--text); }
.foot__base { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--text-3); font-size: 13px; }
.foot__base a { color: var(--text-2); font-weight: 600; }

/* Legal pages */
.legal { padding: 56px 0 96px; }
.crumbs { font-size: 14px; color: var(--text-3); }
.crumbs a { color: var(--text-2); }
.legal h1 { margin-top: 18px; font-size: clamp(34px, 5vw, 48px); font-weight: 700; }
.legal__date { margin-top: 10px; color: var(--text-3); font-size: 14.5px; }
.toc { margin: 30px 0 10px; padding: 18px 22px 18px 42px; list-style: decimal; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); columns: 2; column-gap: 32px; font-size: 15px; }
.toc li { break-inside: avoid; padding: 3px 0; }
.prose h2 { margin-top: 40px; font-size: 23px; font-weight: 650; scroll-margin-top: 80px; }
.prose p, .prose ul { margin-top: 12px; color: var(--text-2); }
.prose ul { list-style: disc; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.prose strong { color: var(--text); }

/* 404 */
.nf { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 32px 16px; }
.nf__icon { width: 112px; height: 112px; margin: 0 auto 26px; }
.nf h1 { font-size: clamp(30px, 5vw, 44px); }
.nf p { margin-top: 14px; color: var(--text-2); }
.nf__ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px !important; }

/* Reveal on scroll (only when JS runs and motion is fine) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .window--tilt.reveal.is-in { transform: perspective(1600px) rotateY(-7deg); }
.js .window--tilt.reveal.is-in:hover { transform: perspective(1600px) rotateY(-2deg); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .hero__shot .window, .seg { transform: none; }
}

/* Responsive */
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .safety { grid-template-columns: repeat(2, 1fr); }
  .personas { grid-template-columns: 1fr; max-width: 640px; margin-inline: auto; }
  .nav__links a { padding: 7px 8px; font-size: 14px; }
}
@media (max-width: 960px) {
  .nav__toggle { display: block; }
  .nav__links { position: absolute; top: 60px; left: 0; right: 0; margin: 0; background: var(--bg); border-bottom: 1px solid var(--border); display: none; }
  .nav__links.is-open { display: block; }
  .nav__links ul { flex-direction: column; padding: 8px 16px 16px; }
  .nav__links a { padding: 12px 8px; font-size: 16px; }
  .split, .split--rev { grid-template-columns: 1fr; gap: 44px; }
  .split--rev > .window { order: 2; }
  .window--tilt, .js .window--tilt.reveal.is-in { transform: none; }
  .plans { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .hero { padding-top: 52px; }
  .hero__shot { margin-top: 40px; }
  .sec { padding: 76px 0; }
  .cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .card { padding: 18px; }
  .classes, .safety, .pains { grid-template-columns: 1fr; }
  .bar__track { height: auto; flex-wrap: wrap; }
  .seg { flex: 1 1 28%; min-height: 54px; }
  .toc { columns: 1; }
  .nav__end .btn--sm span { display: none; }
}
@media (max-width: 460px) {
  .cards { grid-template-columns: 1fr; }
  .hero__ctas { flex-direction: column; align-items: stretch; width: 100%; }
  .hero__ctas .btn { width: 100%; }
  .langs a { padding: 4px 7px; }
}