* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); -webkit-font-smoothing: antialiased; line-height: 1.7; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, summary, a { touch-action: manipulation; }
:focus-visible { outline: 2px solid var(--ice); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
button { border: 0; }
.container { width: min(1160px, calc(100% - 64px)); margin: auto; }
.skip { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 10px 20px; background: var(--blue); }
.skip:focus { top: 10px; }
.header { position: sticky; top: 0; z-index: 20; background: var(--veil); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.header-inner { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 23px; font-weight: 650; letter-spacing: -.8px; white-space: nowrap; }
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 32px; font-size: 14px; color: var(--muted); }
.nav a:hover, .footer a:hover, .text-link:hover { color: var(--text); }
.nav .nav-download { padding: 8px 19px; border: 1px solid var(--line); border-radius: 7px; color: var(--text); }
details.language { position: relative; border: 0; padding: 0; }
.language-trigger { display: flex; align-items: center; gap: 9px; min-height: 40px; padding: 8px 10px; border: 1px solid transparent; border-radius: 8px; color: var(--muted); font-size: 14px; line-height: 1.5; list-style: none; cursor: pointer; transition: color .15s, background .15s, border-color .15s; }
.language-trigger::-webkit-details-marker { display: none; }
.language-trigger:hover, .language[open] .language-trigger { color: var(--text); background: var(--surface); border-color: var(--line); }
.language-trigger:focus-visible { outline: 2px solid var(--ice); outline-offset: 2px; }
.language-globe { width: 17px; height: 17px; flex: none; }
.language-chevron { width: 14px; height: 14px; margin-left: 3px; transition: transform .15s; }
.language[open] .language-chevron { transform: rotate(180deg); }
.language-options { position: absolute; top: calc(100% + 10px); right: 0; width: 184px; padding: 6px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: 0 12px 32px var(--shadow); }
.language-options a { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 9px 12px; border-radius: 7px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.language-options a:hover, .language-options a:focus-visible { color: var(--text); background: var(--raised); }
.language-options a:focus-visible { outline-offset: -2px; }
.language-options a[aria-current="page"] { color: var(--ice); background: var(--glow); }
.language-options a[aria-current="page"]::after { content: '✓'; font-size: 13px; }
.menu-toggle { display: none; background: transparent; padding: 10px; }
.hero { padding-top: 77px; text-align: center; position: relative; }
.eyebrow { color: var(--ice); letter-spacing: .16em; font-size: 11px; font-weight: 600; text-transform: uppercase; }
h1 { margin: 26px 0 21px; font-size: clamp(28px, 4vw, 54px); line-height: 1.22; font-weight: 650; letter-spacing: -.055em; }
h1 > span, h1 > em { display: inline-block; max-width: 100%; }
h1 em { font-style: normal; color: var(--ice); }
.hero-description { color: var(--muted); font-size: 17px; line-height: 1.9; margin: 0 auto 32px; max-width: 650px; }
.actions { display: flex; gap: 20px 28px; align-items: center; justify-content: center; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; border-radius: 7px; padding: 13px 25px; background: var(--blue); color: var(--white); font-size: 14px; font-weight: 600; transition: background .2s, transform .2s; }
.button:hover { background: var(--blue-hover); transform: translateY(-2px); }
.button svg { width: 18px; height: 18px; fill: currentColor; }
.text-link { font-size: 14px; color: var(--muted); }
.arrow { margin-left: 8px; }
.fine { font-size: 12px; color: var(--faint); margin: 16px 0 0; }
.key-privacy { max-width: 680px; margin: 14px auto 0; font-size: 13px; line-height: 1.7; }
.key-privacy strong { display: block; color: var(--ice); font-weight: 600; }
.key-privacy span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }
.product-stage { margin-top: 49px; position: relative; }
.product-stage::before { content: ''; position: absolute; inset: -60px 0 10%; background: radial-gradient(ellipse at center, var(--glow), transparent 68%); z-index: -1; }
.screenshot { display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); box-shadow: 0 25px 70px var(--shadow); cursor: zoom-in; }
.screenshot img { width: 100%; }
.image-label { display: flex; justify-content: space-between; gap: 16px; color: var(--faint); font-size: 11px; padding: 13px 2px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; padding: 43px 0 55px; border-bottom: 1px solid var(--line); }
.principles h3 span { flex-shrink: 0; color: var(--ice); font-size: 19px; }
.principles h3 { display: flex; align-items: baseline; gap: 10px; margin: 0 0 6px; font-size: 17px; font-weight: 550; }
.principles p { font-size: 13px; color: var(--muted); margin: 0; }
h2 { font-size: clamp(30px, 3.3vw, 46px); line-height: 1.3; font-weight: 550; letter-spacing: -.04em; margin: 13px 0 15px; }
.feature-copy p { color: var(--muted); max-width: 560px; font-size: 15px; }
.feature { display: grid; grid-template-columns: .82fr 1.3fr; gap: 70px; align-items: center; padding: 48px 0 75px; }
.feature.reverse { grid-template-columns: 1.3fr .82fr; }
.feature.reverse .feature-copy { order: 2; }
.feature-number { font-size: 12px; color: var(--faint); letter-spacing: .13em; }
.feature h3 { font-size: 24px; line-height: 1.4; font-weight: 550; letter-spacing: -.04em; margin: 15px 0; }
.feature ul { list-style: none; padding: 0; color: var(--muted); font-size: 13px; }
.feature li { margin: 10px 0; }
.feature li::before { content: '↗'; color: var(--ice); margin-right: 12px; }
.feature .screenshot { box-shadow: none; }
.feature.feature--gallery { grid-template-columns: 1fr; gap: 28px; }
.feature--gallery .feature-copy { max-width: 720px; }
.screenshot-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.screenshot-gallery figure { margin: 0; min-width: 0; }
.feature-note { color: var(--faint); font-size: 11px; margin-top: 11px; }
.flow { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 40px 0; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.flow h2 { font-size: 23px; font-weight: 500; margin: 0 0 7px; }
.flow p { color: var(--muted); font-size: 13px; margin: 0; }
.flow-steps { display: flex; align-items: center; gap: 18px; white-space: nowrap; color: var(--ice); font-size: 13px; }
.flow-steps span { color: var(--faint); }
.pricing { margin: 90px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.plan { display: flex; flex-direction: column; align-items: flex-start; padding: 38px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.plan--trial { border-color: var(--blue); background: radial-gradient(ellipse at top left, var(--glow), transparent 70%), var(--surface); }
.plan h3 { font-size: 30px; line-height: 1.3; letter-spacing: -.04em; font-weight: 550; margin: 22px 0 12px; }
.plan .trial-duration { font-size: 72px; line-height: 1; letter-spacing: -.06em; }
.trial-duration span { display: block; font-size: 18px; line-height: 1.6; letter-spacing: 0; margin-top: 10px; }
.price-status { color: var(--ice); font-size: 18px; margin: 0 0 12px; }
.plan-intro { color: var(--muted); font-size: 14px; margin: 0; }
.plan-features { list-style: none; padding: 24px 0; margin: 0; font-size: 14px; width: 100%; }
.plan-features li { position: relative; padding-left: 24px; margin: 12px 0; }
.plan-features li::before { content: '✓'; position: absolute; left: 0; color: var(--ice); }
.plan-note { color: var(--muted); font-size: 13px; margin: auto 0 0; }
.plan-actions { display: grid; gap: 16px; width: 100%; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.plan .button { width: 100%; min-height: 52px; }
.plan-unavailable:disabled { cursor: default; background: var(--raised); color: var(--muted); transform: none; }
.plan-meta { display: block; color: var(--muted); font-size: 12px; line-height: 1.6; text-align: center; }
.plan-meta a { text-decoration: underline; text-underline-offset: 4px; }
.pricing-note { color: var(--muted); font-size: 12px; text-align: center; margin: 22px auto 0; max-width: 680px; }
.faq { display: grid; grid-template-columns: .7fr 1fr; gap: 90px; margin-bottom: 95px; }
.faq h2 { font-size: 36px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 30px 22px 0; position: relative; cursor: pointer; list-style: none; font-size: 15px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 2px; color: var(--muted); }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin: 0 0 22px; color: var(--muted); font-size: 13px; }
.footer { border-top: 1px solid var(--line); padding: 34px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer .brand { font-size: 18px; }
.footer .brand img { width: 27px; height: 27px; }
.footer p, .footer-links { color: var(--faint); font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.lightbox { width: min(1500px, 96vw); max-width: 96vw; padding: 45px 12px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); }
.lightbox::backdrop { background: var(--veil); backdrop-filter: blur(8px); }
.lightbox img { width: 100%; max-height: 80vh; object-fit: contain; }
.lightbox-close { position: absolute; right: 10px; top: 4px; padding: 5px 12px; background: transparent; font-size: 21px; }
.lightbox p { text-align: center; margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.reveal { animation: enter .6s ease both; }
@keyframes enter { from { opacity: .4; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (min-width: 1500px) { .hero { padding-top: 95px; } }
@media (max-width: 900px) {
  .nav { gap: 20px; } .feature, .feature.reverse { gap: 30px; grid-template-columns: 1fr 1.15fr; }
  .faq { gap: 40px; } .principles { gap: 28px; } .flow { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 36px); } .header-inner { height: 68px; } .brand { font-size: 21px; }
  .menu-toggle { display: block; } .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 24px; background: var(--bg); border-bottom: 1px solid var(--line); align-items: stretch; }
  .nav.is-open { display: flex; flex-direction: column; gap: 20px; } .language { border: 0; padding: 0; }
  .language-trigger { width: 100%; } .language-chevron { margin-left: auto; }
  .language-options { position: static; width: 100%; margin-top: 8px; box-shadow: none; }
  .hero { padding-top: 49px; } h1 { font-size: clamp(25px, 7.5vw, 32px); margin-top: 28px; } .hero-description { font-size: 14px; max-width: 330px; } .hero-description br { display: none; }
  .actions { gap: 16px; } .button { padding: 12px 20px; } .product-stage { margin-top: 35px; } .image-label { font-size: 10px; }
  .principles { grid-template-columns: 1fr; gap: 24px; padding: 35px 0; }
  .feature, .feature.reverse { grid-template-columns: 1fr; gap: 20px; padding: 30px 0 40px; } .feature.reverse .feature-copy { order: 0; }
  .screenshot-gallery { grid-template-columns: 1fr; }
  .feature h3 { font-size: 22px; } .feature-copy p { font-size: 14px; }
  .flow-steps { gap: 12px; font-size: 12px; } .flow h2 { font-size: 22px; }
  .pricing { margin: 60px 0; } .pricing-grid { grid-template-columns: 1fr; gap: 20px; }
  .plan { padding: 28px 24px; } .plan h3 { font-size: 28px; }
  .faq { grid-template-columns: 1fr; gap: 20px; margin-bottom: 60px; } .faq h2 { font-size: 30px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 12px; } .footer p { margin: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

/* Keep section headings available to assistive technology without changing the grid. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
