@font-face { font-family: "Poppins"; src: url(fonts/Poppins-Regular.ttf); font-weight: 400; font-display: swap; }
@font-face { font-family: "Poppins"; src: url(fonts/Poppins-Medium.ttf); font-weight: 500; font-display: swap; }
@font-face { font-family: "Poppins"; src: url(fonts/Poppins-SemiBold.ttf); font-weight: 600; font-display: swap; }
@font-face { font-family: "Poppins"; src: url(fonts/Poppins-Bold.ttf); font-weight: 700; font-display: swap; }
@font-face { font-family: "Prompt"; src: url(fonts/Prompt-Regular.ttf); font-weight: 400; font-display: swap; }
@font-face { font-family: "Prompt"; src: url(fonts/Prompt-Medium.ttf); font-weight: 500; font-display: swap; }
@font-face { font-family: "Prompt"; src: url(fonts/Prompt-SemiBold.ttf); font-weight: 600; font-display: swap; }
@font-face { font-family: "Prompt"; src: url(fonts/Prompt-Bold.ttf); font-weight: 700; font-display: swap; }

:root {
  --ink: #000;
  --ink-2: #0d0d0e;
  --ink-3: #161618;
  --ink-4: #1e1f21;
  --line: #222224;
  --line-2: #333336;
  --text: #f5f5f3;
  --muted: #a6a6a2;
  --faint: #8b8b87;
  --sun: #ffc531;
  --sun-ink: #1a1300;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --font: "Poppins", "Prompt", system-ui, sans-serif;
  --wrap: 1200px;
}
* { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scrollbar-color: var(--line-2) var(--ink); }
main { overflow-x: clip; }
body { margin: 0; background: var(--ink); color: var(--text); font: 400 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: var(--sun); color: var(--sun-ink); }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
:focus-visible { outline: 2px solid var(--sun); outline-offset: 3px; border-radius: 8px; }
.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.i { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nw { white-space: nowrap; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 48px; padding: 0 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; white-space: nowrap; transition: transform .2s var(--ease), background .2s, box-shadow .2s, border-color .2s; }
.btn-light { background: var(--text); color: #000; }
.btn-light:hover { background: #fff; transform: translateY(-1px); box-shadow: 0 10px 28px -12px rgba(0,0,0,.9); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-dark { background: #000; color: var(--text); }
.btn-sun { background: var(--sun); color: var(--sun-ink); }
.btn-sun:hover { transform: translateY(-1px); }
.btn-xl { height: 58px; padding: 0 30px; font-size: 17px; }
.btn-xl .i { width: 22px; height: 22px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, #000 80%, transparent); backdrop-filter: saturate(140%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { width: calc(100% - 64px); max-width: 1680px; display: flex; align-items: center; height: 68px; gap: 32px; }
.logo { display: flex; align-items: center; }
.logo img { height: 34px; width: auto; filter: invert(1); }
.nav-links { display: flex; gap: 30px; margin-left: auto; font-size: 14px; color: var(--muted); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav .btn { height: 40px; padding: 0 18px; font-size: 14px; }
.nav-m { display: none; }
.nav-key { font-size: 14px; color: var(--muted); }
.nav-key:hover { color: var(--text); }

.h2 { margin: 0; font-size: clamp(30px, 3.8vw, 48px); line-height: 1.2; font-weight: 700; letter-spacing: -.02em; text-wrap: balance; }
.lead { margin: 14px 0 0; color: var(--muted); font-size: 18px; text-wrap: pretty; }
.center { text-align: center; } .center .lead { margin-inline: auto; max-width: 40em; }
section { padding: 130px 0 0; }

.close { margin-top: 140px; padding: 110px 24px; text-align: center; border-top: 1px solid var(--line);
  background: radial-gradient(60% 80% at 50% 125%, color-mix(in srgb, var(--sun) 20%, transparent), transparent 70%); }
.close .hero-cta { margin-top: 32px; }
.hero-cta { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.hero-note { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; font-size: 13px; color: var(--muted); }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note .i { width: 15px; height: 15px; color: var(--sun); }

footer { border-top: 1px solid var(--line); padding: 40px 0 56px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-left: auto; }
footer a:hover { color: var(--text); }
footer .logo img { height: 26px; }
.mock-note { margin-top: 18px; width: 100%; font-size: 12px; color: var(--faint); }

.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-size: 17px; font-weight: 500; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .i { transition: transform .3s var(--ease); color: var(--muted); }
.faq details[open] summary .i { transform: rotate(45deg); color: var(--sun); }
.faq details p { margin: -6px 0 22px; color: var(--muted); max-width: 62ch; }

/* download popup: Windows SmartScreen, step by step */
.dl { position: fixed; inset: 0; z-index: 60; display: grid; grid-template-columns: minmax(0, 1fr); place-items: center; padding: 16px; }
.dl[hidden] { display: none; }
.dl-back { position: absolute; inset: 0; background: rgba(0,0,0,.72); backdrop-filter: blur(6px); animation: dl-fade .25s ease; }
.dl-card { position: relative; width: min(760px, 100%); max-height: calc(100vh - 32px); overflow: auto; padding: 34px 34px 28px;
  border-radius: 24px; background: var(--ink-2); border: 1px solid var(--line-2); box-shadow: 0 40px 120px -30px rgba(0,0,0,.9);
  animation: dl-in .35s var(--ease); }
.dl-x { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; color: var(--muted); }
.dl-x:hover { background: var(--ink-4); color: var(--text); }
.dl-top { display: flex; align-items: center; gap: 14px; }
.dl-ic { width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--sun); color: var(--sun-ink); }
.dl-ic .i { width: 22px; height: 22px; animation: dl-bob 1.4s ease-in-out infinite; }
.dl h2 { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.3; }
.dl-sub { margin: 2px 0 0; color: var(--muted); font-size: 15px; }
.dl-lead { margin: 22px 0 0; font-size: 17px; line-height: 1.7; }
.dl-lead b { color: var(--sun); font-weight: 600; }
.dl-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.dl-step { padding: 16px; border-radius: 16px; background: var(--ink-3); border: 1px solid var(--line); }
.dl-step > p { margin: 0 0 12px; font-size: 15.5px; font-weight: 500; display: flex; gap: 10px; align-items: center; }
.dl-step > p span { width: 26px; height: 26px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--text); color: #000; font-size: 13px; font-weight: 700; }
/* a small copy of the blue Windows box */
.ss { padding: 14px 14px 12px; border-radius: 6px; background: #0b5cad; color: #fff; font-family: "Segoe UI", var(--font); min-height: 150px; display: flex; flex-direction: column; }
.ss b { font-size: 15px; font-weight: 600; line-height: 1.3; }
.ss small { display: block; margin-top: 8px; font-size: 11px; line-height: 1.5; opacity: .85; }
.ss .more { align-self: flex-start; margin-top: 8px; font-size: 11.5px; text-decoration: underline; }
.ss .row { margin-top: auto; padding-top: 12px; display: flex; justify-content: flex-end; gap: 6px; }
.ss .row i { font-style: normal; font-size: 11px; padding: 5px 12px; border: 1px solid rgba(255,255,255,.7); }
.ss .hl { position: relative; outline: 2px solid var(--sun); outline-offset: 3px; border-radius: 3px; animation: dl-ring 1.6s ease-in-out infinite; }
.ss .row i.hl { background: #fff; color: #0b5cad; font-weight: 600; }
.dl-step .th { margin-top: 10px; font-size: 13.5px; color: var(--muted); }
.dl-step .th b { color: var(--text); font-weight: 600; }
.dl-ok { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; padding: 14px 16px; border-radius: 14px;
  background: color-mix(in srgb, var(--sun) 9%, transparent); border: 1px solid color-mix(in srgb, var(--sun) 35%, transparent); font-size: 15px; }
.dl-ok .i { color: var(--sun); margin-top: 3px; }
.dl-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.dl-foot a { font-size: 14px; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.dl-foot a:hover { color: var(--text); }
@keyframes dl-fade { from { opacity: 0; } }
@keyframes dl-in { from { opacity: 0; transform: translateY(18px) scale(.97); } }
@keyframes dl-bob { 50% { transform: translateY(3px); } }
@keyframes dl-ring { 50% { outline-color: transparent; } }
@media (prefers-reduced-motion: reduce) { .dl-back, .dl-card, .dl-ic .i, .ss .hl { animation: none; } }
@media (max-width: 640px) {
  .dl-card { padding: 26px 20px 22px; }
  .dl-steps { grid-template-columns: 1fr; }
  .dl h2 { font-size: 21px; }
  .dl-foot .btn { width: 100%; }
}

@media (max-width: 960px) {
  .nav-links, .nav-key { display: none; }
  .nav .wrap { width: calc(100% - 32px); gap: 16px; }
  .nav-m { display: inline-flex !important; flex: none; white-space: nowrap; margin-left: auto !important; font-size: 14px; font-weight: 500; color: var(--text); }
  section { padding-top: 96px; }
}
@media (max-width: 560px) {
  .wrap { width: calc(100% - 32px); }
  .btn-xl { width: 100%; }
  .hero-cta { width: 100%; }
}