:root {
  color-scheme: dark;
  --background: #09090d;
  --text: #f7f7f9;
  --muted: #a2a2ad;
  --accent: #ff6258;
  --line: #29292f;
  --gutter: clamp(24px, 6vw, 96px);
  --content-width: 1360px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background: var(--background);
  color: var(--text);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; min-width: 320px; }
img, svg { display: block; }
img { max-width: 100%; }
a { color: inherit; text-decoration: none; text-underline-offset: 4px; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 7px; border-radius: 4px; }
p, h1, h2, h3, ol { margin: 0; }
p { text-wrap: pretty; }
.container { width: min(calc(100% - var(--gutter) * 2), var(--content-width)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 16px; background: var(--text); color: var(--background); padding: 12px 18px; border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { min-height: 136px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 16px; flex-shrink: 0; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { color: var(--accent); text-transform: uppercase; letter-spacing: .2em; font-size: 28px; font-weight: 730; line-height: 1; }
nav { display: flex; align-items: center; gap: clamp(24px, 3.2vw, 50px); }
nav a { font-size: 20px; line-height: 1.4; font-weight: 600; padding-block: 10px; transition: color 180ms ease; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }

.hero { min-height: 700px; display: grid; grid-template-columns: .94fr 1.16fr; gap: 24px; align-items: center; padding-block: 30px 90px; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 1px; }
.hero h1 { font-size: clamp(46px, 5vw, 80px); line-height: 1.06; font-weight: 760; letter-spacing: -.047em; }
.hero h1 span { white-space: nowrap; }
.hero-intro { color: #bfc0c9; font-size: clamp(20px, 1.75vw, 26px); line-height: 1.45; max-width: 555px; margin-top: 38px; letter-spacing: -.012em; }
.hero-actions { display: flex; align-items: center; gap: 38px; margin-top: 55px; }
.button { min-height: 70px; display: inline-flex; align-items: center; justify-content: center; gap: 17px; background: var(--accent); color: #171011; font-size: 23px; font-weight: 680; line-height: 1.2; padding: 19px 29px; border-radius: 13px; transition: background 180ms ease, transform 180ms ease; flex-shrink: 0; }
.button:hover { background: #ff7a71; transform: translateY(-2px); }
.button .arrow { flex-shrink: 0; }
.text-action { font-size: 22px; font-weight: 650; padding-block: 16px; white-space: nowrap; }
.text-action:hover { color: var(--accent); }
.availability { margin-top: 18px; color: #c9c9d1; font-size: 17px; line-height: 1.5; }
.product-composition { position: relative; width: calc(100% + 8px); padding-right: 7%; margin-top: 8px; }
.device { background: #111113; border: 2px solid #a0a0a5; box-shadow: 0 20px 50px #0009, inset 0 0 0 2px #202023; overflow: hidden; }
.tablet { border-radius: 42px; padding: 22px; aspect-ratio: 1.3; }
.device-screen { width: 100%; height: 100%; border-radius: 22px; overflow: hidden; background: #080808; border: 1px solid #27272b; }
.device-screen img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-phone { position: absolute; width: 30.5%; right: -1.5%; bottom: -22px; padding: 8px; aspect-ratio: .475; border-radius: 36px; }
.phone .device-screen { border-radius: 27px; }
.hero-phone img { object-fit: cover; }

.features { border-top: 1px solid #49494f; padding-block: 72px 76px; }
.features h2 { font-size: clamp(36px, 3.9vw, 60px); line-height: 1.1; letter-spacing: -.038em; font-weight: 740; max-width: 1200px; }
.feature-layout { display: grid; grid-template-columns: 1.43fr 1fr; gap: 72px; align-items: center; margin-top: 64px; }
.feature-tablet { width: 100%; aspect-ratio: 1.32; padding: 22px; }
.feature-list { list-style: none; padding: 0; }
.feature-list li { padding-block: 25px 29px; border-bottom: 1px solid #414147; }
.feature-list li:first-child { padding-top: 0; }
.feature-list li:last-child { padding-bottom: 0; border-bottom: 0; }
.feature-number { color: var(--accent); font-size: 27px; font-weight: 720; letter-spacing: -.025em; line-height: 1.2; }
.feature-list h3 { font-size: clamp(25px, 2.42vw, 38px); font-weight: 710; letter-spacing: -.028em; line-height: 1.13; margin-top: 4px; }
.feature-list p { color: #b9b9c3; font-size: clamp(18px, 1.55vw, 24px); line-height: 1.4; margin-top: 8px; letter-spacing: -.014em; }
.feature-note { color: var(--muted); font-size: 16px; line-height: 1.65; margin-top: 40px; max-width: 860px; }
.feature-note a, .faq-answer a, .policy-section a, .policy-text-link a { text-decoration: underline; }
.feature-note a:hover, .faq-answer a:hover, .policy-section a:hover, .policy-text-link a:hover { color: var(--accent); }

.reading-wide { width: min(calc(100% - var(--gutter) * 2), 1000px); margin-inline: auto; }
.reading-prose { width: min(calc(100% - var(--gutter) * 2), 850px); margin-inline: auto; }
.support-main { padding-top: 21px; padding-bottom: 76px; }
.page-heading { text-align: center; padding-bottom: 58px; }
.page-heading h1 { font-size: clamp(43px, 4.6vw, 72px); font-weight: 750; line-height: 1.04; letter-spacing: -.04em; }
.page-heading > p { color: #b9b9c3; margin-top: 24px; font-size: 25px; line-height: 1.4; letter-spacing: -.015em; }
.faq { border-top: 1px solid #3c3c43; scroll-margin-top: 28px; }
.faq:last-child { border-bottom: 1px solid #3c3c43; }
.faq summary { display: grid; grid-template-columns: 46px 1fr 22px; gap: 18px; align-items: center; list-style: none; cursor: pointer; padding: 23px 3px; font-size: 27px; line-height: 1.25; font-weight: 670; letter-spacing: -.022em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::marker { display: none; content: ''; }
.faq-number { color: var(--accent); font-size: 22px; font-weight: 680; letter-spacing: -.03em; }
.disclosure-icon { color: var(--accent); stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
details[open] .plus-vertical { display: none; }
.faq-answer { padding: 0 45px 29px 67px; color: #b9b9c3; font-size: 20px; line-height: 1.5; }
.faq-answer > p { margin-bottom: 26px; }
.faq-answer > :last-child { margin-bottom: 0; }
.faq-answer .guide-link { font-size: 17px; margin-top: -9px; }
.answer-section + .answer-section { margin-top: 25px; }
.answer-section h2 { color: #e4e4e9; font-size: 20px; font-weight: 630; line-height: 1.4; margin-bottom: 7px; }
.faq-answer strong { font-weight: 650; color: #ddddE4; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
.contact-strip { border-top: 1px solid #3c3c43; padding-top: 27px; margin-top: 58px; display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.contact-strip h2 { font-size: 33px; line-height: 1.2; font-weight: 730; letter-spacing: -.03em; }
.contact-strip p { margin-top: 5px; color: #b9b9c3; font-size: 20px; line-height: 1.5; }
.contact-email { color: #c9c9d1; display: inline-block; margin-top: 12px; font-size: 18px; line-height: 1.5; text-decoration: underline; }
.contact-email:hover { color: var(--accent); }
.contact-button { min-height: 61px; font-size: 20px; padding: 17px 25px; }
.support-note { color: var(--muted); font-size: 16px; line-height: 1.6; margin-top: 30px; max-width: 800px; }

.privacy-main { padding-top: 21px; padding-bottom: 80px; }
.privacy-heading { padding-bottom: 42px; }
.draft-notice { padding-block: 20px; border-block: 1px solid #63504e; margin-bottom: 35px; }
.draft-notice strong { color: #ff9e96; font-size: 18px; line-height: 1.5; }
.draft-notice p { color: #c5b8b8; font-size: 17px; line-height: 1.6; margin-top: 4px; }
.policy-intro { font-size: 21px; line-height: 1.65; color: #d2d2db; }
.policy-section { padding-top: 28px; margin-top: 33px; border-top: 1px solid var(--line); }
.policy-section h2 { display: flex; align-items: baseline; gap: 18px; font-size: 30px; line-height: 1.25; font-weight: 690; letter-spacing: -.02em; }
.section-number { color: var(--accent); font-size: 19px; font-weight: 650; flex-shrink: 0; }
.policy-section p { color: #b9b9c3; font-size: 19px; line-height: 1.7; margin-top: 16px; overflow-wrap: anywhere; }
.policy-text-link { color: #b9b9c3; font-size: 17px; margin-top: 36px; }
.policy-date { color: var(--muted); font-size: 17px; margin-bottom: 35px; }
.guide-main { padding-block: 24px 85px; }
.guide-back { color: var(--muted); font-size: 17px; display: inline-block; margin-bottom: 32px; padding-block: 8px; text-decoration: underline; }
.guide-back:hover { color: var(--accent); }
.guide-heading { text-align: left; border-bottom: 1px solid var(--line); padding-bottom: 35px; margin-bottom: 32px; }
.guide-heading h1 { font-size: clamp(40px, 4vw, 60px); }
.guide-heading > p { font-size: 22px; line-height: 1.5; }
.guide-content { color: #b9b9c3; font-size: 19px; line-height: 1.7; }
.guide-content .answer-section { border-top: 1px solid var(--line); padding-top: 28px; margin-top: 30px; }
.guide-content .answer-section:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.guide-content .answer-section h2 { font-size: 27px; line-height: 1.25; letter-spacing: -.02em; margin-bottom: 14px; font-weight: 680; }
.guide-content strong { color: #dddde4; font-weight: 650; }
.guide-content a, .guide-contact a { text-decoration: underline; }
.guide-contact { color: #b9b9c3; font-size: 17px; line-height: 1.7; margin-top: 40px; border-top: 1px solid var(--line); padding-top: 28px; }
.not-found { padding-block: 80px 150px; }
.not-found h1 { font-size: clamp(45px, 5vw, 70px); letter-spacing: -.04em; line-height: 1.08; }
.not-found p { font-size: 23px; color: var(--muted); margin-block: 26px; }

.site-footer { border-top: 1px solid #36363d; padding-block: 30px 36px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand-footer img { width: 34px; height: 34px; }
.brand-footer span { font-size: 21px; letter-spacing: .15em; }
.footer-top nav a { font-size: 18px; font-weight: 500; }
.disclosure { color: #8e8e9a; font-size: 14px; line-height: 1.65; max-width: 980px; margin-top: 24px; }

@media (min-width: 1700px) { .hero { min-height: 745px; } }
@media (max-width: 1199px) {
  :root { --gutter: 40px; }
  .site-header { min-height: 118px; }
  .brand span { font-size: 24px; }
  nav { gap: 28px; }
  nav a { font-size: 18px; }
  .hero { min-height: 620px; grid-template-columns: 1fr 1.04fr; padding-bottom: 74px; gap: 20px; }
  .hero h1 { font-size: clamp(46px, 5vw, 61px); }
  .hero-intro { font-size: 22px; margin-top: 29px; }
  .hero-actions { gap: 25px; margin-top: 35px; }
  .button { font-size: 19px; padding: 17px 23px; min-height: 60px; gap: 12px; }
  .text-action { font-size: 19px; }
  .tablet { border-radius: 31px; padding: 16px; }
  .device-screen { border-radius: 16px; }
  .hero-phone { border-radius: 26px; padding: 6px; }
  .phone .device-screen { border-radius: 20px; }
  .features { padding-top: 57px; }
  .feature-layout { gap: 45px; margin-top: 48px; grid-template-columns: 1.2fr 1fr; }
  .feature-list li { padding-block: 20px; }
  .feature-number { font-size: 24px; }
  .page-heading > p { font-size: 23px; }
}

@media (max-width: 900px) and (min-width: 761px) {
  .hero { min-height: 550px; }
  .hero h1 { font-size: 46px; }
  .hero-intro { font-size: 19px; }
  .hero-actions { gap: 20px; }
  .button { font-size: 16px; padding-inline: 18px; gap: 9px; }
  .text-action { font-size: 16px; }
  .availability { font-size: 15px; }
  .feature-layout { gap: 30px; }
}

@media (max-width: 760px) {
  :root { --gutter: 24px; }
  .site-header { flex-wrap: wrap; gap: 16px; min-height: 0; padding-block: 28px 24px; }
  .brand { gap: 12px; }
  .brand img { width: 33px; height: 33px; }
  .brand span { font-size: 23px; letter-spacing: .19em; }
  .site-header nav { width: 100%; gap: 0; justify-content: space-between; }
  nav a { font-size: 16px; padding-block: 10px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; padding-block: 28px 63px; gap: 0; min-height: 0; }
  .hero h1 { font-size: clamp(42px, 6.7vw, 55px); line-height: 1.07; letter-spacing: -.046em; }
  .hero h1 span { white-space: normal; }
  .hero-intro { font-size: 20px; line-height: 1.45; margin-top: 25px; max-width: 460px; }
  .hero-actions { gap: 26px; flex-wrap: wrap; margin-top: 31px; }
  .button { font-size: 18px; min-height: 57px; padding: 16px 20px; border-radius: 11px; gap: 11px; }
  .text-action { font-size: 17px; }
  .availability { font-size: 15px; margin-top: 14px; }
  .product-composition { width: 100%; margin-top: 45px; padding-right: 8%; }
  .tablet { border-radius: 27px; padding: 13px; }
  .device-screen { border-radius: 14px; }
  .hero-phone { right: 0; bottom: -13px; border-radius: 23px; padding: 5px; }
  .phone .device-screen { border-radius: 17px; }
  .features { padding-block: 42px 48px; }
  .features h2 { font-size: clamp(34px, 6vw, 43px); line-height: 1.12; max-width: 570px; }
  .feature-layout { grid-template-columns: 1fr; gap: 34px; margin-top: 35px; }
  .feature-visual { max-width: 620px; }
  .feature-list li { padding-block: 23px; }
  .feature-number { font-size: 23px; }
  .feature-list h3 { font-size: 29px; line-height: 1.16; margin-top: 5px; }
  .feature-list p { font-size: 19px; line-height: 1.5; margin-top: 10px; }
  .feature-note { font-size: 15px; margin-top: 30px; }
  .support-main, .privacy-main { padding-top: 29px; padding-bottom: 50px; }
  .page-heading { padding-bottom: 38px; }
  .page-heading h1 { font-size: clamp(38px, 6.5vw, 50px); line-height: 1.06; }
  .page-heading > p { font-size: 19px; line-height: 1.45; margin-top: 20px; }
  .faq summary { grid-template-columns: 28px 1fr 20px; gap: 12px; padding-block: 22px; font-size: 21px; line-height: 1.3; }
  .faq-number { font-size: 17px; }
  .disclosure-icon { width: 20px; height: 20px; }
  .faq-answer { padding: 0 2px 26px 43px; font-size: 17px; line-height: 1.6; }
  .answer-section h2 { font-size: 18px; }
  .answer-section + .answer-section { margin-top: 23px; }
  .contact-strip { display: block; margin-top: 40px; padding-top: 27px; }
  .contact-strip h2 { font-size: 30px; }
  .contact-strip p { font-size: 18px; line-height: 1.5; margin-top: 8px; }
  .contact-email { font-size: 17px; }
  .contact-button { margin-top: 23px; font-size: 18px; }
  .support-note { font-size: 15px; margin-top: 25px; }
  .privacy-heading { padding-bottom: 30px; }
  .privacy-heading > p { font-size: 20px; }
  .policy-intro { font-size: 18px; line-height: 1.7; }
  .policy-section { padding-top: 24px; margin-top: 27px; }
  .policy-section h2 { font-size: 26px; gap: 14px; }
  .section-number { font-size: 17px; }
  .policy-section p { font-size: 17px; line-height: 1.7; }
  .guide-main { padding-block: 18px 50px; }
  .guide-content { font-size: 17px; }
  .guide-content .answer-section h2 { font-size: 24px; }
  .guide-heading > p { font-size: 19px; }
  .draft-notice p { font-size: 16px; }
  .site-footer { padding-block: 26px 30px; }
  .brand-footer span { font-size: 17px; letter-spacing: .12em; }
  .brand-footer img { width: 29px; height: 29px; }
  .footer-top { flex-wrap: wrap; gap: 18px; }
  .footer-top nav { gap: 25px; }
  .footer-top nav a { font-size: 16px; }
  .disclosure { font-size: 13px; margin-top: 20px; }
}

@media (max-width: 374px) {
  .hero h1 { font-size: 38px; }
  .hero-actions { gap: 20px; }
  .button { font-size: 16px; padding-inline: 17px; }
  .text-action { font-size: 16px; }
  .hero-intro { font-size: 18px; }
  .tablet { padding: 10px; border-radius: 23px; }
  .hero-phone { border-radius: 19px; }
  .phone .device-screen { border-radius: 14px; }
  .faq-answer { padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .button:hover { transform: none; }
}