:root {
  font-family: InterVariable, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f7f7f8;
  background: #0a0a0d;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --bg: #0a0a0d;
  --bg-soft: #0f1014;
  --panel: #121318;
  --panel-2: #17181e;
  --text: #f7f7f8;
  --text-soft: #b7b8bf;
  --text-dim: #787b84;
  --line: rgba(255,255,255,.09);
  --line-strong: rgba(255,255,255,.15);
  --red: #ff343d;
  --red-2: #d92733;
  --red-soft: rgba(255,52,61,.13);
  --red-glow: rgba(255,52,61,.25);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 34px;
  --max: 1220px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); }
button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: rgba(255,52,61,.34); color: white; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 77% -8%, rgba(157, 29, 38, .16), transparent 32rem),
    radial-gradient(circle at 8% 28%, rgba(255,255,255,.025), transparent 24rem);
  z-index: -2;
}

.site-shell { overflow: clip; }
.section-pad { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; padding: 112px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: min(calc(100% - 28px), 1248px);
  margin: 14px auto 0;
  min-height: 64px;
  padding: 9px 10px 9px 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(12,13,17,.78);
  backdrop-filter: blur(18px) saturate(120%);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}

.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 18px; font-weight: 670; letter-spacing: -.025em; width: fit-content; }
.desktop-nav { display: flex; gap: 6px; align-items: center; }
.desktop-nav a { padding: 10px 12px; color: #aeb0b7; font-size: 13px; font-weight: 540; border-radius: 10px; transition: color .2s ease, background .2s ease; }
.desktop-nav a:hover { color: white; background: rgba(255,255,255,.045); }
.header-actions { justify-self: end; display: flex; gap: 8px; align-items: center; }
.menu-button { display: none; width: 42px; height: 42px; place-items: center; border-radius: 11px; border: 1px solid var(--line); background: #121318; cursor: pointer; }
.mobile-nav { display: none; }

.button {
  min-height: 46px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 640;
  letter-spacing: -.015em;
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button:focus-visible, a:focus-visible, .faq-item button:focus-visible, .menu-button:focus-visible { outline: 2px solid #ff7076; outline-offset: 3px; }
.button-primary { background: linear-gradient(180deg, #ff424b, #e52d37); color: #fff; box-shadow: 0 9px 24px rgba(229,45,55,.2), inset 0 1px rgba(255,255,255,.2); }
.button-primary:hover { box-shadow: 0 12px 30px rgba(229,45,55,.27), inset 0 1px rgba(255,255,255,.22); }
.button-secondary { background: #14151a; border-color: var(--line); color: #e7e7e9; }
.button-secondary:hover { background: #191a20; border-color: var(--line-strong); }
.button-compact { min-height: 42px; padding: 0 13px; font-size: 12.5px; border-radius: 11px; }

.hero { min-height: calc(100vh - 90px); padding-top: 112px; padding-bottom: 84px; position: relative; display: flex; flex-direction: column; align-items: center; }
.hero-glow { position: absolute; width: 720px; height: 430px; top: 24px; left: 50%; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(circle, rgba(182,38,47,.16), rgba(182,38,47,.04) 43%, transparent 72%); filter: blur(18px); pointer-events: none; }
.hero-copy { width: min(820px, 100%); text-align: center; position: relative; z-index: 2; }
.eyebrow, .kicker { text-transform: uppercase; font-size: 11px; font-weight: 720; letter-spacing: .13em; color: #ff646b; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 5px rgba(255,52,61,.1); }
h1 { margin: 0; font-size: clamp(54px, 7.1vw, 96px); line-height: .96; letter-spacing: -.068em; font-weight: 690; }
h1 span { color: #9c9ea5; }
.hero-lede { width: min(690px, 100%); margin: 28px auto 0; color: var(--text-soft); font-size: clamp(16px, 1.75vw, 20px); line-height: 1.62; letter-spacing: -.02em; }
.hero-actions { margin-top: 30px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: center; }
.development-note { margin: 15px 0 0; color: #6f727a; font-size: 12px; }

.hero-visual-wrap { width: 100%; margin-top: 68px; }
.product-shot { margin: 0; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; overflow: hidden; background: #111217; box-shadow: 0 50px 100px rgba(0,0,0,.42), 0 0 0 1px rgba(255,255,255,.025) inset; }
.product-shot-hero { transform: perspective(1600px) rotateX(.55deg); }
.product-shot-bar { height: 42px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); color: #7f8188; font-size: 10.5px; background: #111217; }
.shot-status { display: flex; align-items: center; gap: 7px; color: #b8bac1; }
.status-dot { width: 7px; height: 7px; background: var(--red); border-radius: 50%; box-shadow: 0 0 12px var(--red-glow); }
.product-shot img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: center; }
.product-shot figcaption { padding: 11px 14px 13px; color: #74767e; font-size: 11px; border-top: 1px solid var(--line); }

.trust-strip { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-strip div { display: flex; gap: 9px; align-items: center; justify-content: center; color: #8f9198; font-size: 12px; }
.trust-strip div + div { border-left: 1px solid var(--line); }
.trust-strip svg { color: #b8b9bd; }

.section-heading { margin-bottom: 44px; }
.narrow-heading { width: min(730px, 100%); }
.section-heading h2, .duo-copy h2, .privacy-copy h2, .download-copy h2 { margin: 12px 0 0; font-size: clamp(38px, 5vw, 64px); line-height: 1.02; letter-spacing: -.055em; font-weight: 650; }
.section-heading p, .duo-copy p, .privacy-copy p, .download-copy p { margin: 20px 0 0; color: var(--text-soft); font-size: 16px; line-height: 1.7; letter-spacing: -.015em; }
.split-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: end; }
.split-heading p { margin: 0; }

.feature-grid { display: grid; gap: 14px; }
.feature-grid-three { grid-template-columns: repeat(3, 1fr); }
.feature-card { min-height: 290px; padding: 28px; border-radius: var(--radius-lg); border: 1px solid var(--line); display: flex; flex-direction: column; align-items: flex-start; }
.feature-card-dark { background: linear-gradient(160deg, rgba(255,255,255,.028), rgba(255,255,255,.01)); }
.feature-card > svg { color: #d7d8dc; margin-bottom: auto; }
.feature-card h3 { margin: 42px 0 7px; font-size: 22px; letter-spacing: -.035em; }
.feature-card p { margin: 0; color: #9698a0; line-height: 1.6; font-size: 14px; }
.feature-card a, .text-link { margin-top: 21px; color: #e2e3e6; font-size: 13px; font-weight: 590; display: inline-flex; align-items: center; gap: 7px; }
.feature-card a:hover, .text-link:hover { color: #fff; }

.feature-section { border-top: 1px solid rgba(255,255,255,.035); }
.browser-layout { display: grid; grid-template-columns: 1.4fr .7fr; gap: 18px; align-items: stretch; }
.image-panel { min-width: 0; border-radius: var(--radius-lg); border: 1px solid var(--line); overflow: hidden; background: #111217; }
.image-panel img { width: 100%; height: 100%; min-height: 530px; object-fit: cover; object-position: center; }
.image-panel-caption { padding: 12px 15px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; color: #73757d; font-size: 10px; }
.stack-list { display: flex; flex-direction: column; gap: 10px; }
.stack-item { flex: 1; min-height: 116px; border: 1px solid var(--line); border-radius: 19px; padding: 18px; background: #101116; display: grid; grid-template-columns: 38px 1fr; gap: 13px; align-items: start; }
.stack-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; border: 1px solid var(--line); background: #17181e; color: #dadbe0; }
.stack-item h3 { margin: 2px 0 5px; font-size: 15px; letter-spacing: -.02em; }
.stack-item p { margin: 0; color: #898b93; font-size: 12px; line-height: 1.5; }

.duo-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; border-top: 1px solid rgba(255,255,255,.035); }
.duo-section-reverse { grid-template-columns: 1.15fr .85fr; }
.duo-copy { max-width: 520px; }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 11px; color: #b5b6bc; font-size: 13px; }
.check-list li { display: flex; align-items: center; gap: 9px; }
.check-list svg { color: #ff555d; }
.placeholder-visual { min-height: 460px; border-radius: 30px; border: 1px solid var(--line); background: linear-gradient(145deg, #15161b, #0f1014); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px; position: relative; overflow: hidden; }
.placeholder-visual::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 18%, rgba(255,52,61,.08), transparent 36%); }
.placeholder-icon { width: 62px; height: 62px; border-radius: 18px; background: #191a20; border: 1px solid var(--line-strong); display: grid; place-items: center; margin-bottom: 20px; color: #e7e8eb; position: relative; z-index: 1; box-shadow: 0 15px 30px rgba(0,0,0,.25); }
.placeholder-visual strong { position: relative; z-index: 1; font-size: 18px; letter-spacing: -.025em; }
.placeholder-visual > span { position: relative; z-index: 1; display: block; max-width: 380px; margin-top: 8px; color: #85878e; font-size: 12px; line-height: 1.55; }
.placeholder-ai { background: #0f1014; }
.ai-orbit { position: absolute; width: 260px; height: 260px; border-radius: 50%; border: 1px solid rgba(255,255,255,.055); }
.ai-orbit::before, .ai-orbit::after { content:""; position:absolute; inset:32px; border-radius:50%; border:1px solid rgba(255,255,255,.04); }
.ai-orbit::after { inset: 72px; }
.ai-orbit span { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 18px var(--red-glow); }
.ai-orbit span:nth-child(1) { top: 24px; left: 82px; }
.ai-orbit span:nth-child(2) { right: 26px; bottom: 72px; opacity: .65; }
.ai-orbit span:nth-child(3) { left: 44px; bottom: 46px; opacity: .35; }

.apps-section { border-top: 1px solid rgba(255,255,255,.035); }
.app-rail { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.app-tile { min-height: 170px; border: 1px solid var(--line); background: #111217; border-radius: 22px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 15px; color: #d8d9dd; font-size: 12px; transition: transform .2s var(--ease), border-color .2s ease, background .2s ease; }
.app-tile:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.15); background: #14151a; }
.app-icon { width: 54px; height: 54px; border-radius: 15px; background: linear-gradient(160deg, #202128, #15161b); border: 1px solid var(--line); display: grid; place-items: center; font-weight: 720; }
.app-icon.calculator { letter-spacing: -.08em; }
.app-tile-muted { opacity: .6; }

.privacy-section { padding-top: 56px; }
.privacy-card { padding: 42px; border-radius: var(--radius-xl); border: 1px solid rgba(255,255,255,.12); background: linear-gradient(135deg, rgba(255,52,61,.08), rgba(255,255,255,.02) 42%, rgba(255,255,255,.01)); display: grid; grid-template-columns: 62px 1.25fr .8fr; gap: 28px; align-items: start; }
.privacy-mark { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 17px; background: rgba(255,52,61,.1); border: 1px solid rgba(255,52,61,.17); color: #ff646b; }
.privacy-copy h2 { font-size: clamp(34px, 4.2vw, 52px); }
.privacy-copy p { font-size: 14px; max-width: 660px; }
.privacy-points { display: grid; gap: 14px; }
.privacy-points div { border-top: 1px solid var(--line); padding-top: 13px; display: grid; grid-template-columns: 28px 1fr; gap: 10px; }
.privacy-points span { color: #ff5b63; font-size: 10px; font-weight: 700; }
.privacy-points p { margin: 0; color: #9b9da4; font-size: 12px; line-height: 1.5; }

.performance-section { border-top: 1px solid rgba(255,255,255,.035); }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.spec-card { min-height: 170px; padding: 23px; border: 1px solid var(--line); border-radius: 20px; background: #0f1014; display: flex; flex-direction: column; align-items: flex-start; }
.spec-card svg { color: #c7c8cc; margin-bottom: auto; }
.spec-card strong { margin-top: 32px; font-size: 14px; letter-spacing: -.015em; }
.spec-card span { margin-top: 7px; color: #7e8088; font-size: 12px; line-height: 1.5; }

.download-section { padding-top: 70px; }
.download-card { padding: 52px; border: 1px solid rgba(255,255,255,.13); border-radius: 32px; background: linear-gradient(135deg, #14151a, #0d0e12); display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.download-logo { width: 56px; height: 56px; display: grid; place-items: center; background: #191a20; border: 1px solid var(--line); border-radius: 16px; margin-bottom: 22px; }
.download-copy h2 { font-size: clamp(40px, 5vw, 62px); }
.download-copy .hero-actions { justify-content: flex-start; }
.portable-note { color: #72747c; font-size: 12px; margin-left: 5px; }
.download-specs { margin: 0; border-left: 1px solid var(--line); padding-left: 38px; display: grid; align-content: center; }
.download-specs div { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.download-specs div:last-child { border-bottom: 0; }
.download-specs dt { color: #777981; font-size: 11px; }
.download-specs dd { margin: 0; color: #c4c5ca; font-size: 11px; line-height: 1.4; overflow-wrap: anywhere; }

.faq-section { padding-top: 78px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; min-height: 70px; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0; cursor: pointer; text-align: left; color: #dfe0e3; font-weight: 560; font-size: 14px; }
.faq-item button svg { color: #6d7078; transition: transform .24s var(--ease); }
.faq-item.is-open button svg { transform: rotate(180deg); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s var(--ease); }
.faq-answer p { overflow: hidden; margin: 0; color: #8b8d95; font-size: 13px; line-height: 1.7; max-width: 820px; }
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer p { padding: 0 0 24px; }

.site-footer { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; padding: 56px 0 30px; border-top: 1px solid var(--line); }
.footer-top { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; }
.footer-top p { margin: 3px 0 0; color: #73757d; font-size: 12px; max-width: 390px; text-align: right; line-height: 1.55; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }
.footer-links a { color: #95979e; font-size: 11px; }
.footer-links a:hover { color: white; }
.footer-bottom { margin-top: 40px; display: flex; justify-content: space-between; color: #5f6168; font-size: 10px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .75s var(--ease), transform .75s var(--ease); transition-delay: var(--reveal-delay, 0ms); }
.reveal[data-visible="true"] { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .section-pad { padding: 88px 0; }
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .menu-button { display: grid; }
  .header-actions .button-compact { display: none; }
  .mobile-nav { display: grid; position: absolute; top: calc(100% + 8px); right: 0; left: 0; background: rgba(13,14,18,.97); border: 1px solid var(--line); border-radius: 16px; padding: 8px; box-shadow: 0 24px 60px rgba(0,0,0,.34); }
  .mobile-nav a { padding: 13px 14px; border-radius: 10px; color: #b6b8bf; font-size: 13px; }
  .mobile-nav a:hover { background: rgba(255,255,255,.045); color: white; }
  .hero { min-height: auto; padding-top: 92px; }
  .feature-grid-three { grid-template-columns: 1fr; }
  .feature-card { min-height: 230px; }
  .feature-card > svg { margin-bottom: 18px; }
  .feature-card h3 { margin-top: 24px; }
  .split-heading { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .browser-layout { grid-template-columns: 1fr; }
  .image-panel img { min-height: 0; aspect-ratio: 16/10; }
  .stack-list { display: grid; grid-template-columns: repeat(2, 1fr); }
  .duo-section, .duo-section-reverse { grid-template-columns: 1fr; gap: 34px; }
  .duo-section-reverse .placeholder-visual { order: 2; }
  .duo-section-reverse .duo-copy { order: 1; }
  .duo-copy { max-width: 720px; }
  .app-rail { grid-template-columns: repeat(3, 1fr); }
  .privacy-card { grid-template-columns: 58px 1fr; }
  .privacy-points { grid-column: 2; }
  .download-card { grid-template-columns: 1fr; gap: 38px; }
  .download-specs { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0 0; }
}

@media (max-width: 680px) {
  .section-pad, .site-footer, .trust-strip { width: min(calc(100% - 28px), var(--max)); }
  .section-pad { padding: 70px 0; }
  .site-header { width: calc(100% - 20px); margin-top: 10px; min-height: 58px; padding-left: 14px; border-radius: 15px; }
  .brand { font-size: 17px; }
  .hero { padding-top: 78px; padding-bottom: 56px; }
  .hero-copy { text-align: left; }
  .hero-glow { width: 100%; }
  h1 { font-size: clamp(47px, 14vw, 68px); letter-spacing: -.06em; }
  .hero-lede { margin-left: 0; font-size: 16px; }
  .hero-actions { justify-content: flex-start; }
  .hero-actions .button { width: 100%; }
  .development-note { line-height: 1.5; }
  .hero-visual-wrap { margin-top: 44px; }
  .product-shot { border-radius: 17px; }
  .product-shot-bar { height: 37px; padding: 0 11px; }
  .product-shot-bar > span:last-child { display: none; }
  .product-shot figcaption { font-size: 10px; line-height: 1.45; }
  .trust-strip { grid-template-columns: 1fr; padding: 5px 0; }
  .trust-strip div { justify-content: flex-start; padding: 12px 4px; }
  .trust-strip div + div { border-left: 0; border-top: 1px solid var(--line); }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .duo-copy h2, .download-copy h2 { font-size: 39px; }
  .section-heading p, .duo-copy p, .download-copy p { font-size: 14px; }
  .feature-card { border-radius: 20px; padding: 22px; }
  .stack-list { grid-template-columns: 1fr; }
  .stack-item { min-height: 112px; }
  .image-panel { border-radius: 18px; }
  .image-panel-caption { flex-direction: column; gap: 3px; }
  .placeholder-visual { min-height: 340px; border-radius: 22px; }
  .app-rail { grid-template-columns: repeat(2, 1fr); }
  .app-tile { min-height: 145px; }
  .privacy-card { padding: 26px; border-radius: 23px; grid-template-columns: 1fr; }
  .privacy-points { grid-column: auto; }
  .spec-grid { grid-template-columns: 1fr; }
  .download-card { padding: 28px; border-radius: 23px; }
  .download-specs div { grid-template-columns: 105px 1fr; }
  .footer-top, .footer-bottom { flex-direction: column; gap: 14px; }
  .footer-top p { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .button:hover, .app-tile:hover { transform: none; }
}
