:root {
  --ink: #111914;
  --ink-soft: #556158;
  --muted: #7c887f;
  --line: #d9dfd8;
  --paper: #f2f4f0;
  --mist: #e9eee8;
  --night: #09110c;
  --night-soft: #111c15;
  --green: #2f8b60;
  --green-dark: #216b49;
  --green-bright: #78e3a4;
  --green-soft: #dceadf;
  --white: #fff;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; overflow-x: clip; }
body { margin: 0; min-width: 320px; padding-top: 72px; overflow-x: hidden; background: var(--paper); }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; }
kbd { display: inline-flex; min-width: 1.8em; height: 1.8em; align-items: center; justify-content: center; margin: 0 .12em; border: 1px solid #cad5c9; border-bottom-width: 2px; border-radius: .42em; background: #fff; color: var(--ink); font: inherit; font-size: .78em; line-height: 1; box-shadow: 0 2px 5px #1d42240d; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 20; display: flex; width: 100%; height: 72px; margin: 0; padding: 0 max(32px, calc((100% - 1180px) / 2)); align-items: center; justify-content: space-between; border-bottom: 1px solid #17261b0d; background: #f2f4f0e8; color: var(--ink); box-shadow: 0 12px 34px #1d32220a; backdrop-filter: saturate(135%) blur(20px); -webkit-backdrop-filter: saturate(135%) blur(20px); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 650; letter-spacing: -.02em; }
.brand img { border-radius: 11px; box-shadow: 0 8px 24px #26573924; }
nav { display: flex; align-items: center; gap: 25px; color: var(--ink-soft); font-size: 14px; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--green); }
.nav-download { padding: 10px 18px; border: 1px solid var(--line); border-radius: 100px; background: #ffffffa8; color: var(--ink); box-shadow: 0 8px 22px #1c35220b; backdrop-filter: blur(16px); }

.hero { position: relative; isolation: isolate; display: grid; grid-template-columns: .93fr 1.07fr; min-height: 620px; width: 100%; margin: 0; align-items: center; gap: 48px; padding: 54px max(32px, calc((100% - 1180px) / 2)) 62px; overflow: hidden; background: var(--paper); color: var(--ink); }
.hero::before { position: absolute; z-index: -2; width: 900px; height: 800px; right: -190px; top: -310px; border-radius: 50%; background: radial-gradient(circle at center, #85d3a45c 0, #cce5d52e 38%, transparent 69%); content: ""; filter: blur(2px); }
.hero::after { position: absolute; z-index: -2; inset: 0; background-image: linear-gradient(#17342108 1px, transparent 1px), linear-gradient(90deg, #17342108 1px, transparent 1px); background-size: 76px 76px; content: ""; mask-image: linear-gradient(to bottom, #000 0, transparent 82%); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; color: var(--green); font-size: 13px; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow span { width: 22px; height: 1px; background: currentColor; }
.hero .eyebrow { color: var(--green); }
h1 { margin: 0; white-space: nowrap; font-size: clamp(50px, 4.45vw, 64px); font-weight: 630; line-height: 1.04; letter-spacing: -.07em; }
h1 em { color: var(--green); font-style: normal; font-weight: 570; }
.hero-lead { max-width: 540px; margin: 29px 0 0; color: var(--ink-soft); font-size: 17px; line-height: 1.9; }
.hero kbd { border-color: #cbd5cc; background: #fff; color: var(--ink); box-shadow: 0 2px 5px #1d42240d; }
.hero-actions { display: flex; align-items: center; gap: 19px; margin-top: 34px; }
.button { display: inline-flex; min-height: 50px; padding: 0 23px; align-items: center; justify-content: center; gap: 10px; border-radius: 12px; font-size: 15px; font-weight: 650; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--green); color: var(--white); box-shadow: 0 16px 36px #0b402a3b; }
.hero .button.primary { background: var(--green); color: #fff; box-shadow: 0 18px 45px #2f795933; }
.button.primary:hover { background: var(--green-dark); box-shadow: 0 18px 40px #2d75534c; }
.hero .button.primary:hover { background: var(--green-dark); box-shadow: 0 20px 52px #2f795944; }
.button svg { width: 20px; fill: currentColor; }
.download-note { color: var(--muted); font-size: 13px; line-height: 1.5; }

.product-stage { position: relative; min-width: 0; padding: 30px 0 24px 8px; }
.app-window { position: relative; z-index: 3; overflow: hidden; border: 1px solid #dbe3d9; border-radius: 24px; background: #fff; color: var(--ink); box-shadow: 0 48px 100px #284c3230, 0 7px 20px #2c533514; transform: perspective(1200px) rotateY(-4deg) rotateX(1deg); transform-origin: center; }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; height: 66px; padding: 0 20px; align-items: center; border-bottom: 1px solid #edf1ec; }
.traffic { display: flex; gap: 7px; }
.traffic i { width: 11px; height: 11px; border-radius: 50%; background: #eb7266; }
.traffic i:nth-child(2) { background: #e7b94f; }
.traffic i:nth-child(3) { background: #63bd6f; }
.window-brand { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 650; }
.window-brand img { width: 27px; height: 27px; border-radius: 8px; }
.window-bar > span { justify-self: end; padding: 7px 12px; border-radius: 8px; background: var(--mist); color: var(--green); font-size: 13px; }
.language-bar { display: flex; height: 58px; padding: 0 25px; align-items: center; gap: 22px; color: var(--ink-soft); font-size: 13px; }
.language-bar b { color: #9aa79c; font-weight: 400; }
.language-bar small { margin-left: auto; color: var(--green); }
.translate-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 300px; border-top: 1px solid #edf1ec; }
.translate-grid article { position: relative; padding: 26px 27px; }
.translate-grid article + article { border-left: 1px solid #edf1ec; }
.translate-grid label { display: flex; justify-content: space-between; color: #8a958c; font-size: 13px; }
.translate-grid label small { color: var(--green); }
.translate-grid p { margin: 30px 0 0; font-size: clamp(17px, 1.6vw, 22px); line-height: 1.65; }
.result-pane { background: linear-gradient(135deg, #f5f8f3, #eef4eb); }
.result-pane button { position: absolute; right: 24px; bottom: 22px; padding: 9px 13px; border: 0; border-radius: 8px; background: var(--green); color: #fff; font: inherit; font-size: 12px; }
.caret { display: inline-block; width: 1.5px; height: 22px; margin-top: 4px; background: var(--green); animation: blink 1.15s steps(1) infinite; }
.shortcut-orbit { position: absolute; z-index: 5; display: flex; align-items: center; gap: 3px; border: 1px solid #d6e0d6; border-radius: 100px; background: #ffffffde; color: var(--ink-soft); font-size: 13px; box-shadow: 0 18px 42px #213b271c; backdrop-filter: blur(14px); }
.shortcut-orbit kbd { box-shadow: none; }
.orbit-one { right: -18px; top: 18px; padding: 10px 12px; }
.orbit-two { left: -20px; bottom: 17px; padding: 12px 17px; color: var(--green); }

.advantage-dock { display: grid; grid-template-columns: 1.08fr repeat(4, 1fr); width: 100%; margin: 0; padding: 0 max(32px, calc((100% - 1180px) / 2)); overflow: hidden; border: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #e8ede7; color: var(--ink); }
.advantage-dock > * { min-width: 0; padding: 33px 24px 36px; }
.advantage-dock article { border-left: 1px solid var(--line); }
.advantage-intro { color: var(--ink); }
.advantage-intro p { margin: 0 0 16px; color: var(--green); font-size: 12px; font-weight: 650; letter-spacing: .09em; }
.advantage-intro h2 { font-size: 29px; line-height: 1.12; letter-spacing: -.04em; }
.advantage-key { display: inline-flex; min-height: 28px; padding: 0 9px; align-items: center; border-radius: 8px; background: #d7e5da; color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; font-weight: 700; }
.advantage-dock h3 { margin: 17px 0 8px; font-size: 17px; letter-spacing: -.025em; }
.advantage-dock article p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.section { position: relative; width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 108px 0; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 40px; margin-bottom: 50px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -17px; }
h2 { margin: 0; font-size: clamp(38px, 4.6vw, 62px); line-height: 1.08; letter-spacing: -.055em; font-weight: 610; }
.section-heading > p:last-child { max-width: 480px; margin: 0 0 5px auto; color: var(--ink-soft); font-size: 17px; line-height: 1.8; }
.demo { display: grid; grid-template-columns: .68fr 1.32fr; align-items: center; gap: 66px; padding: 116px 0 84px; }
.demo .section-heading { display: block; margin: 0; }
.demo .section-heading .eyebrow { margin-bottom: 20px; }
.demo .section-heading h2 { margin-bottom: 24px; font-size: clamp(38px, 4.1vw, 56px); }
.demo .section-heading > p:last-child { margin: 0; font-size: 15px; }
.video-frame { position: relative; overflow: hidden; padding: 8px; border: 1px solid #cad4cc; border-radius: 27px; background: #111914; box-shadow: 0 36px 85px #1f362529; }
.video-frame::before { position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, #15231a, #263f2e); content: ""; }
.video-frame video { display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 20px; background: #edf3ea; object-fit: cover; }
.features::before { position: absolute; z-index: -1; inset: 0 50%; width: 100vw; background: var(--paper); content: ""; transform: translateX(-50%); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-card { position: relative; min-height: 270px; overflow: hidden; padding: 34px; border: 0; border-radius: 26px; background: #f1f4ef; box-shadow: inset 0 0 0 1px #17261b0a; transition: transform .28s ease, box-shadow .28s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px #17261b10, 0 24px 55px #233a2914; }
.feature-card h3 { margin: 18px 0 12px; font-size: 24px; letter-spacing: -.03em; }
.feature-card > p:last-child, .feature-card > div > p:last-child { max-width: 440px; margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.78; }
.feature-index { margin: 0; color: #8ca091; font-size: 12px; font-weight: 650; letter-spacing: .12em; }
.feature-primary { display: grid; grid-template-columns: 160px 1fr; align-items: center; grid-column: 1 / -1; min-height: 270px; background: radial-gradient(circle at 15% 10%, #284b35, transparent 38%), var(--night); color: #fff; }
.feature-primary .feature-index { color: #bcd8c5; }
.feature-primary > div > p:last-child { color: #deebe2; }
.feature-icon { display: flex; width: 112px; height: 112px; align-items: center; justify-content: center; border: 1px solid #ffffff1f; border-radius: 32px; background: linear-gradient(145deg, #ffffff12, #ffffff05); color: var(--green-bright); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 26px; box-shadow: inset 0 1px #ffffff20, 0 22px 44px #0005; }
.line-icon { position: absolute; right: 28px; top: 28px; display: flex; width: 78px; height: 78px; align-items: center; justify-content: center; border-radius: 23px; background: var(--mist); color: var(--green); }
.line-icon svg { width: 42px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.wide-card { display: flex; grid-column: 1 / -1; min-height: 235px; align-items: center; justify-content: space-between; gap: 50px; background: #e6ece4; }
.history-stack { position: relative; width: 42%; min-width: 330px; height: 164px; }
.history-stack span { position: absolute; display: block; width: 100%; padding: 17px 19px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink-soft); font-size: 14px; box-shadow: 0 9px 25px #243a290c; }
.history-stack span:nth-child(1) { top: 0; transform: rotate(-2deg); }
.history-stack span:nth-child(2) { top: 53px; left: 13px; z-index: 2; color: var(--ink); transform: rotate(1deg); }
.history-stack span:nth-child(3) { top: 106px; left: -2px; transform: rotate(-1deg); }

.scenes { z-index: 0; padding: 112px 0; color: var(--ink); }
.scenes::before { position: absolute; z-index: -1; inset: 0 50%; width: 100vw; background: var(--paper); content: ""; transform: translateX(-50%); }
.scene-heading { grid-template-columns: 1.2fr .8fr; }
.scene-heading h2 { white-space: nowrap; font-size: clamp(38px, 4.2vw, 54px); }
.scene-heading > p:last-child { color: var(--ink-soft); }
.scenes .eyebrow { color: var(--green); }
.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px; }
.scene-card { min-width: 0; overflow: hidden; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: 0 18px 50px #1f35240a; transition: border-color .28s ease, transform .28s ease, box-shadow .28s ease; }
.scene-card:hover { border-color: #2f8b6040; transform: translateY(-3px); box-shadow: 0 24px 60px #1f352414; }
.scene-card:first-child { grid-column: 1 / -1; }
.scene-label { display: flex; min-height: 32px; align-items: center; gap: 5px; margin-bottom: 23px; color: var(--green); font-size: 13px; font-weight: 650; }
.scene-label > span { margin-right: auto; }
.scene-label em { color: var(--green); font-style: normal; font-weight: 500; }
.scene-card > h3 { margin: 26px 0 9px; font-size: 23px; letter-spacing: -.025em; }
.scene-card > p { max-width: 560px; margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.browser-demo { position: relative; overflow: hidden; min-height: 280px; border: 1px solid #dfe7dd; border-radius: 17px; background: #f7f9f6; color: var(--ink); }
.browser-toolbar { display: flex; height: 50px; padding: 0 17px; align-items: center; gap: 7px; border-bottom: 1px solid #e5ebe4; background: #fff; }
.browser-toolbar i { width: 9px; height: 9px; border-radius: 50%; background: #ee7065; }
.browser-toolbar i:nth-child(2) { background: #e8ba51; }.browser-toolbar i:nth-child(3) { background: #65bb70; }
.browser-toolbar span { margin-left: 16px; color: #97a199; font-size: 12px; }
.browser-demo > p { width: 66%; margin: 0; padding: 68px 55px; color: #364139; font-family: Georgia, serif; font-size: 30px; line-height: 1.5; }
.browser-demo mark { padding: 3px; background: #cae1cf; color: inherit; }
.browser-demo aside { position: absolute; right: 30px; top: 88px; display: flex; width: 38%; min-height: 155px; padding: 23px; flex-direction: column; gap: 20px; border: 1px solid #d6e2d5; border-radius: 15px; background: #eef5ec; box-shadow: 0 15px 35px #2a4b3014; }
.browser-demo aside small { color: var(--green); }.browser-demo aside strong { font-size: 18px; line-height: 1.6; }
.writing-demo { display: flex; min-height: 220px; padding: 30px; flex-direction: column; justify-content: center; gap: 18px; border-radius: 17px; background: #f3f6f1; color: var(--ink); }
.writing-demo span, .writing-demo b { display: block; padding: 18px 20px; border-radius: 13px; font-size: 17px; line-height: 1.55; }
.writing-demo span { margin-right: 45px; border: 1px solid var(--line); background: #fff; font-weight: 400; }
.writing-demo b { margin-left: 45px; background: var(--green); color: #fff; font-weight: 500; }
.capture-demo { display: flex; min-height: 220px; padding: 30px; align-items: center; justify-content: center; border-radius: 17px; background: linear-gradient(135deg, #1a2820, #375640); }
.capture-box { position: relative; display: flex; width: 82%; height: 150px; align-items: center; justify-content: center; border: 1px dashed #a8d2b2; color: #fff; }
.capture-box i { position: absolute; width: 16px; height: 16px; border-color: #d7f0dd; border-style: solid; }
.capture-box i:nth-child(1) { left: -1px; top: -1px; border-width: 2px 0 0 2px; }.capture-box i:nth-child(2) { right: -1px; top: -1px; border-width: 2px 2px 0 0; }.capture-box i:nth-child(3) { left: -1px; bottom: -1px; border-width: 0 0 2px 2px; }.capture-box i:nth-child(4) { right: -1px; bottom: -1px; border-width: 0 2px 2px 0; }
.capture-box strong { font-size: 23px; line-height: 1.55; text-align: center; }

.privacy { display: grid; grid-template-columns: 140px 1.05fr .95fr; align-items: center; gap: 45px; padding: 70px; border-radius: 28px; background: radial-gradient(circle at 12% 0, #294d3738, transparent 34%), var(--night); color: #fff; box-shadow: 0 28px 70px #1931201b; }
.privacy-mark { display: flex; width: 112px; height: 112px; align-items: center; justify-content: center; border: 1px solid #ffffff20; border-radius: 32px; background: #ffffff0c; }
.privacy-mark svg { width: 61px; fill: none; stroke: #91c9a6; stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; }
.privacy .eyebrow { color: #8fc7a4; }
.privacy h2 { font-size: clamp(34px, 3.6vw, 50px); }
.privacy > p { margin: 0; color: #bdc9c0; font-size: 15px; line-height: 1.9; }

.download-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 58px 60px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 22px 58px #1c34220d; }
.download-product { display: flex; align-items: center; gap: 28px; }
.download-product > img { flex: 0 0 auto; border-radius: 27px; box-shadow: 0 18px 35px #275e4032; }
.download-product .eyebrow { margin-bottom: 10px; }
.download-product h2 { font-size: 42px; }
.download-product > div > p:last-child { margin: 9px 0 0; color: var(--ink-soft); font-size: 14px; }
.download-details { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 20px; }
.download-details > div { display: flex; flex-direction: column; gap: 7px; }
.download-details span { color: var(--muted); font-size: 12px; }
.download-details strong { font-size: 14px; line-height: 1.5; }
.download-details .button { grid-column: 1 / -1; justify-self: start; }

.install { padding-bottom: 88px; }
.section-heading.compact { display: block; text-align: center; }
.section-heading.compact .eyebrow { justify-content: center; margin-bottom: 20px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 0; margin: 0; list-style: none; }
.steps li { display: flex; min-height: 180px; padding: 27px; gap: 18px; border-top: 1px solid var(--line); background: transparent; }
.steps li > b { display: flex; width: 32px; height: 32px; flex: 0 0 auto; align-items: center; justify-content: center; border-radius: 50%; background: var(--green-soft); color: var(--green); font-size: 13px; }
.steps h3 { margin: 4px 0 10px; font-size: 18px; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding-top: 80px; }
.faq-intro { position: sticky; top: 40px; align-self: start; }
.faq-intro h2 { font-size: clamp(38px, 4vw, 54px); }
.faq-intro > p:last-child { max-width: 390px; margin: 23px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; min-height: 80px; padding: 20px 0; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; font-size: 18px; font-weight: 600; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--green); font-size: 24px; font-weight: 300; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -2px 54px 25px 0; color: var(--ink-soft); font-size: 15px; line-height: 1.8; }

.contact { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 70px; margin-bottom: 80px; padding: 64px 70px; overflow: hidden; border-radius: 28px; background: radial-gradient(circle at 90% 0, #4bb8782b, transparent 38%), var(--night); color: #fff; box-shadow: 0 28px 70px #1931201b; }
.contact .eyebrow { color: #c2ddca; }
.contact h2 { font-size: clamp(40px, 4.5vw, 62px); }
.contact-copy > p { max-width: 510px; margin: 0 0 28px; color: #dbe8df; font-size: 15px; line-height: 1.85; }
.contact-copy > a { display: inline-flex; padding-bottom: 7px; align-items: center; gap: 11px; border-bottom: 1px solid #ffffff70; font-size: 20px; font-weight: 600; }
.contact-copy > a span { font-size: 16px; transition: transform .2s ease; }
.contact-copy > a:hover span { transform: translate(3px, -3px); }

footer { display: grid; grid-template-columns: 1fr auto 1fr; width: 100%; min-height: 132px; margin: 0; padding: 0 max(32px, calc((100% - 1180px) / 2)); align-items: center; border-top: 1px solid #ffffff14; background: var(--night); color: #7f8c83; font-size: 13px; }
footer p { justify-self: center; }
footer > span { justify-self: end; }
.footer-email { justify-self: center; }
.footer-email:hover { color: var(--green); }
.footer-brand { color: #fff; font-size: 16px; }

@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; padding-top: 55px; }
  .hero-copy { max-width: 700px; }
  .product-stage { width: min(720px, 100%); margin: 0 auto; }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading > p:last-child { margin-left: 0; }
  .advantage-dock { grid-template-columns: repeat(2, 1fr); }
  .advantage-intro { grid-column: 1 / -1; }
  .advantage-intro h2 br { display: none; }
  .advantage-dock article:nth-of-type(odd) { border-left: 0; }
  .advantage-dock article { border-top: 1px solid var(--line); }
  .demo { grid-template-columns: 1fr; gap: 38px; }
  .scene-heading h2 { white-space: normal; }
  .privacy { grid-template-columns: 100px 1fr; padding: 52px; }
  .privacy > p { grid-column: 2; }
  .privacy-mark { width: 90px; height: 90px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { min-height: auto; }
  .download-panel { grid-template-columns: 1fr; }
  .faq { grid-template-columns: 1fr; gap: 40px; }
  .faq-intro { position: static; }
  .contact { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 700px) {
  body { padding-top: 66px; }
  .site-header { width: 100%; height: 66px; padding: 0 16px; }
  nav { gap: 15px; }
  nav a:not(.nav-download) { display: none; }
  .hero { width: 100%; min-height: 0; padding: 54px 16px 64px; }
  h1 { white-space: nowrap; font-size: clamp(30px, 9vw, 42px); letter-spacing: -.065em; }
  h1 em { display: inline; }
  h2,
  .demo .section-heading h2,
  .scene-heading h2,
  .privacy h2,
  .download-product h2,
  .faq-intro h2,
  .contact h2 { white-space: nowrap; font-size: clamp(20px, 6.4vw, 30px); letter-spacing: -.05em; }
  h2 br { display: none; }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .product-stage { padding: 35px 0; }
  .app-window { border-radius: 18px; transform: none; }
  .window-bar { height: 54px; }
  .window-bar > span, .traffic { display: none; }
  .window-brand { grid-column: 2; }
  .language-bar { height: 52px; padding: 0 17px; gap: 13px; }
  .translate-grid { grid-template-columns: 1fr; }
  .translate-grid article { min-height: 190px; padding: 22px 20px; }
  .translate-grid article + article { border-left: 0; border-top: 1px solid #edf1ec; }
  .translate-grid p { margin-top: 22px; }
  .orbit-one { right: -8px; top: 0; }
  .orbit-two { left: -8px; bottom: 8px; }
  .advantage-dock { width: 100%; grid-template-columns: repeat(2, 1fr); padding: 0 16px; border-radius: 0; }
  .advantage-intro { grid-column: 1 / -1; }
  .advantage-intro h2 { white-space: nowrap; font-size: 27px; }
  .advantage-intro h2 br { display: none; }
  .advantage-dock article { border-top: 1px solid var(--line); }
  .advantage-dock article:nth-of-type(even) { border-left: 1px solid var(--line); }
  .advantage-dock > * { padding: 22px 14px; }
  .section { width: calc(100% - 32px); padding: 72px 0; }
  .demo { padding-top: 72px; }
  .section-heading { margin-bottom: 35px; }
  .feature-card h3, .scene-card > h3, .steps h3 { white-space: nowrap; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-primary { grid-template-columns: 1fr; gap: 30px; }
  .feature-card, .feature-primary { grid-column: auto; padding: 27px; border-radius: 19px; }
  .wide-card { flex-direction: column; align-items: stretch; }
  .history-stack { width: 100%; min-width: 0; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-card:first-child { grid-column: auto; }
  .browser-demo { min-height: 360px; }
  .browser-demo > p { width: 100%; padding: 38px 28px; font-size: 23px; }
  .browser-demo aside { position: relative; right: auto; top: auto; width: auto; min-height: 0; margin: 0 20px 20px; }
  .privacy { display: flex; width: calc(100% - 32px); padding: 35px 24px; flex-direction: column; align-items: flex-start; gap: 27px; }
  .privacy-mark { width: 78px; height: 78px; border-radius: 24px; }
  .privacy-mark svg { width: 44px; }
  .download-panel { width: calc(100% - 32px); padding: 34px 25px; gap: 34px; }
  .download-product { align-items: flex-start; }
  .download-product > img { width: 72px; height: 72px; border-radius: 20px; }
  .download-product h2 { font-size: clamp(20px, 6.4vw, 30px); }
  .download-details { grid-template-columns: 1fr; }
  .download-details .button { grid-column: auto; }
  .faq-list summary { font-size: 16px; }
  .contact { width: calc(100% - 32px); padding: 38px 28px; margin-bottom: 70px; }
  .contact-copy > a { font-size: 16px; }
  footer { grid-template-columns: 1fr auto; width: 100%; padding: 0 16px; }
  .footer-email { display: none; }
}
