:root {
  --bg: #061126;
  --bg-deep: #040c1b;
  --surface: #0b1a34;
  --surface-2: #102342;
  --line: rgba(170, 195, 235, .16);
  --line-strong: rgba(170, 195, 235, .28);
  --text: #f7f9fd;
  --muted: #a8b5ca;
  --faint: #74839c;
  --blue: #176cff;
  --blue-bright: #3b86ff;
  --blue-soft: #81b2ff;
  --max: 1280px;
  --header: 76px;
  --radius: 20px;
  --shadow: 0 30px 80px rgba(0, 0, 0, .42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-deep); }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }

.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; background: white; color: #061126; padding: 12px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header); border-bottom: 1px solid transparent; transition: background .25s, border-color .25s, backdrop-filter .25s; }
.site-header.scrolled { background: rgba(4, 12, 27, .82); border-color: var(--line); backdrop-filter: blur(18px); }
.nav-shell { max-width: var(--max); height: 100%; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 720; letter-spacing: -.025em; }
.brand img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 8px 24px rgba(19, 99, 225, .25); }
.desktop-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); margin-left: auto; }
.desktop-nav a, .footer-column a { color: var(--muted); font-size: 14px; transition: color .2s; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .footer-column a:hover, .footer-column a:focus-visible { color: white; }
.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: 20px; }
.language-picker { position: relative; }
.language-button, .footer-language { min-height: 42px; display: inline-flex; align-items: center; gap: 10px; padding: 0 13px; background: rgba(255,255,255,.025); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.language-button:hover, .footer-language:hover { border-color: var(--line-strong); background: rgba(255,255,255,.05); }
.language-button svg, .footer-language svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.language-button .chevron { width: 13px; transition: transform .2s; }
.language-button[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.language-menu { position: absolute; right: 0; top: calc(100% + 10px); width: 230px; max-height: min(520px, calc(100vh - 100px)); overflow: auto; padding: 8px; border: 1px solid var(--line-strong); background: rgba(8, 20, 40, .98); border-radius: 14px; box-shadow: 0 24px 70px rgba(0,0,0,.5); backdrop-filter: blur(20px); }
.language-menu button { width: 100%; display: flex; align-items: center; justify-content: space-between; border: 0; padding: 10px 11px; color: var(--muted); background: transparent; border-radius: 8px; cursor: pointer; text-align: left; font-size: 14px; }
.language-menu button:hover, .language-menu button.active { color: white; background: rgba(65, 133, 255, .13); }
.language-menu button.active::after { content: "✓"; color: var(--blue-soft); }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--blue); background: var(--blue); color: white; border-radius: 11px; font-weight: 640; box-shadow: 0 10px 28px rgba(23,108,255,.22); transition: transform .2s, background .2s, border-color .2s; }
.button:hover { background: #2b79ff; border-color: #2b79ff; transform: translateY(-1px); }
.button-small { min-height: 42px; padding: 0 18px; font-size: 14px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: transparent; border-radius: 10px; padding: 0; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 1px; background: white; margin: 5px auto; transition: transform .2s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
.mobile-nav { position: fixed; inset: var(--header) 0 0; padding: 32px 24px; background: rgba(4, 12, 27, .98); }
.mobile-nav a { display: block; padding: 18px 4px; border-bottom: 1px solid var(--line); font-size: 28px; font-weight: 650; letter-spacing: -.03em; }

.section-grid { max-width: var(--max); margin: 0 auto; padding-inline: 28px; }
.hero { min-height: min(100vh, 880px); padding-top: calc(var(--header) + 72px); padding-bottom: 92px; display: grid; grid-template-columns: minmax(430px, .9fr) minmax(540px, 1.1fr); align-items: start; gap: clamp(48px, 5vw, 78px); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background-image: linear-gradient(rgba(89, 132, 204, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(89, 132, 204, .055) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, transparent 0, black 25%, transparent 92%); }
.hero::after { content: ""; position: absolute; width: 820px; height: 600px; right: -210px; top: 18%; z-index: -1; background: radial-gradient(ellipse, rgba(30, 101, 224, .20), transparent 68%); filter: blur(8px); }
.hero h1, .section-heading h2, .feature-copy h2, .platform-intro h2, .cta-copy h2 { margin: 0; font-weight: 730; letter-spacing: -.055em; line-height: .98; text-wrap: balance; }
.hero h1 { font-size: clamp(58px, 5.35vw, 77px); }
.hero-copy { padding-top: 112px; }
.hero-lead { max-width: 590px; margin: 30px 0 0; color: var(--muted); font-size: clamp(18px, 1.65vw, 23px); line-height: 1.55; letter-spacing: -.015em; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; flex-wrap: wrap; gap: 26px; }
.store-button { min-height: 58px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 22px; border-radius: 12px; background: var(--blue); color: white; border: 1px solid rgba(255,255,255,.12); font-size: 15px; font-weight: 650; box-shadow: 0 16px 44px rgba(23,108,255,.28); transition: transform .2s, filter .2s; }
.store-button:hover { transform: translateY(-2px); filter: brightness(1.08); }
.store-button svg { width: 23px; height: 23px; fill: currentColor; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--blue-bright); font-size: 15px; font-weight: 620; }
.text-link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; transition: transform .2s; }
.text-link:hover svg { transform: translateX(3px); }
.platform-line { margin-top: 42px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--faint); font-size: 13px; font-weight: 560; }
.platform-line i { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); opacity: .65; }
.hero-media { position: relative; min-width: 0; }
.media-glow { position: absolute; inset: 10% -5% -8% 4%; background: linear-gradient(140deg, rgba(23,108,255,.24), rgba(3,78,174,.08)); filter: blur(45px); border-radius: 50%; }
.device-frame { position: relative; overflow: hidden; background: #e9edf4; border: 1px solid rgba(213, 226, 249, .34); border-radius: 22px; box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.06); }
.device-frame-hero { transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); }
.device-bar { height: 30px; display: flex; align-items: center; gap: 6px; padding: 0 12px; background: #101722; color: #9ba7b6; }
.device-bar span { width: 7px; height: 7px; border-radius: 50%; background: #3b4655; }
.device-bar span:first-child { background: #ff6b64; }
.device-bar span:nth-child(2) { background: #ffc44a; }
.device-bar span:nth-child(3) { background: #33c853; }
.device-bar b { margin-left: auto; font-size: 9px; font-weight: 600; letter-spacing: .02em; }
.device-frame-hero > img { width: 100%; aspect-ratio: 1.44; object-fit: cover; object-position: top center; }
.floating-icon { position: absolute; z-index: 3; width: clamp(100px, 12vw, 156px); right: -22px; bottom: -34px; border-radius: 26%; box-shadow: 0 28px 55px rgba(0,0,0,.48); }

.signal-strip { border-block: 1px solid var(--line); background: rgba(8, 22, 45, .88); }
.signal-inner { max-width: var(--max); min-height: 112px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.signal-inner strong { font-size: clamp(24px, 2.7vw, 40px); letter-spacing: -.04em; }
.protocols { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 10px 22px; color: var(--muted); font-size: 12px; font-weight: 640; letter-spacing: .08em; }
.protocols span { position: relative; }
.protocols span:not(:last-child)::after { content: ""; position: absolute; right: -12px; top: 50%; width: 3px; height: 3px; border-radius: 50%; background: var(--blue-bright); }

.section-pad { max-width: var(--max); margin: 0 auto; padding: 150px 28px; }
.section-heading { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; }
.section-heading h2, .feature-copy h2, .platform-intro h2 { font-size: clamp(48px, 5vw, 72px); }
.section-heading > p, .section-lead, .platform-intro > p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.workflow-tabs { margin-top: 70px; display: grid; grid-template-columns: repeat(3, 1fr); }
.workflow-tab { position: relative; min-height: 118px; padding: 0 30px 20px 0; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line-strong); color: var(--muted); cursor: pointer; }
.workflow-tab::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 0; height: 2px; background: var(--blue); transition: width .35s ease; }
.workflow-tab.active::after { width: 100%; }
.workflow-tab span { display: block; margin-bottom: 8px; color: var(--blue-bright); font-size: 12px; font-weight: 700; }
.workflow-tab strong { display: block; color: var(--text); font-size: 21px; letter-spacing: -.02em; }
.workflow-tab small { display: block; margin-top: 8px; padding-right: 20px; font-size: 13px; line-height: 1.45; }
.workflow-stage { margin-top: 54px; min-height: 470px; position: relative; display: flex; align-items: center; justify-content: center; overflow: clip; }
.stage-main { z-index: 2; width: 64%; height: 470px; transition: opacity .18s, transform .18s; }
.stage-main.switching { opacity: .35; transform: scale(.985); }
.stage-main > img { width: 100%; height: calc(100% - 30px); object-fit: cover; object-position: top center; }
.stage-preview { position: absolute; top: 58px; width: 37%; height: 360px; overflow: hidden; border: 1px solid var(--line-strong); background: #e9edf4; border-radius: 17px; box-shadow: 0 28px 60px rgba(0,0,0,.3); opacity: .58; }
.stage-preview img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.stage-preview-left { left: 0; transform: perspective(1000px) rotateY(4deg); }
.stage-preview-right { right: 0; transform: perspective(1000px) rotateY(-4deg); }
.workflow-link { margin-top: 34px; }

.features { border-top: 1px solid var(--line); }
.feature-layout { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(54px, 7vw, 100px); align-items: center; }
.feature-media { min-height: 680px; position: relative; }
.feature-live { position: absolute; inset: 0 0 auto 0; height: 520px; background: #030711; }
.feature-live img { width: 100%; height: 100%; object-fit: cover; object-position: top center; filter: brightness(.82); }
.phone-frame { position: absolute; left: -4%; bottom: 0; width: 230px; border: 8px solid #10141d; border-radius: 32px; overflow: hidden; box-shadow: 0 28px 65px rgba(0,0,0,.5); }
.phone-frame::before { content: ""; position: absolute; z-index: 2; left: 50%; top: 8px; width: 65px; height: 16px; transform: translateX(-50%); border-radius: 10px; background: #05070b; }
.phone-frame img { width: 100%; aspect-ratio: .52; object-fit: cover; object-position: top; }
.feature-copy h2 { margin-bottom: 24px; }
.section-lead { max-width: 590px; }
.feature-list { list-style: none; padding: 0; margin: 46px 0 0; }
.feature-list li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; padding: 22px 0; border-top: 1px solid var(--line); }
.feature-list li:last-child { border-bottom: 1px solid var(--line); }
.feature-list > li > span { color: var(--blue-bright); font-size: 17px; font-weight: 640; }
.feature-list h3 { margin: 0; font-size: 18px; letter-spacing: -.02em; }
.feature-list p { margin: 7px 0 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

.platform-section { padding: 0 28px 150px; }
.platform-grid { max-width: var(--max); margin: 0 auto; padding: 72px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg, rgba(19, 54, 105, .58), rgba(7, 25, 51, .6)); display: grid; grid-template-columns: .74fr 1.26fr; gap: 62px; overflow: hidden; position: relative; }
.platform-intro { align-self: center; }
.platform-intro h2 { font-size: clamp(42px, 4.2vw, 62px); }
.platform-intro p { margin-top: 24px; }
.platform-devices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: end; }
.platform-devices article { text-align: center; }
.platform-devices svg { width: 72px; height: 76px; margin: 0 auto 18px; fill: none; stroke: #85a9dc; stroke-width: 1.3; }
.platform-devices article:nth-child(3) svg { width: 92px; }
.platform-devices h3 { margin: 0; font-size: 15px; }
.platform-devices p { margin: 7px 0 0; color: var(--faint); font-size: 12px; }
.tv-frame { grid-column: 2; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: 0 24px 60px rgba(0,0,0,.3); }
.tv-frame img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.final-cta { min-height: 610px; padding: 100px max(28px, calc((100vw - var(--max)) / 2 + 28px)); display: grid; grid-template-columns: 170px minmax(0, 620px); gap: 52px; align-items: center; position: relative; overflow: hidden; background: linear-gradient(120deg, #0c42c5, #0f63f5 54%, #0c48cf); }
.cta-mark { position: absolute; width: min(55vw, 780px); aspect-ratio: 1; right: -5vw; top: 50%; transform: translateY(-50%); opacity: .16; background: url("assets/img/app-icon.jpg") center / contain no-repeat; filter: grayscale(1) brightness(2.2); }
.cta-icon { position: relative; z-index: 1; width: 145px; border-radius: 30px; box-shadow: 0 24px 55px rgba(0,0,0,.3); }
.cta-copy { position: relative; z-index: 1; }
.cta-copy h2 { font-size: clamp(56px, 6vw, 84px); }
.cta-copy > p { max-width: 560px; margin: 26px 0 0; color: rgba(255,255,255,.75); font-size: 20px; line-height: 1.55; }
.cta-actions { margin-top: 34px; display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
.store-button-dark { background: #030812; border-color: rgba(255,255,255,.28); box-shadow: 0 16px 35px rgba(0,0,0,.28); }
.cta-link { color: white; font-size: 15px; font-weight: 650; text-decoration: underline; text-underline-offset: 5px; }
.cta-copy > small { display: block; margin-top: 25px; color: rgba(255,255,255,.63); font-size: 13px; }

.site-footer { background: var(--bg-deep); padding: 84px max(28px, calc((100vw - var(--max)) / 2 + 28px)) 34px; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 70px; }
.footer-brand .brand { font-size: 30px; }
.footer-brand .brand img { width: 52px; height: 52px; border-radius: 13px; }
.footer-brand p { max-width: 320px; margin: 22px 0 0; color: var(--muted); line-height: 1.55; }
.footer-column { display: flex; flex-direction: column; gap: 14px; }
.footer-column h2 { margin: 4px 0 8px; font-size: 14px; }
.footer-bottom { margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--faint); font-size: 13px; }
.footer-language { color: var(--muted); }

.content-page { min-height: 100vh; padding: calc(var(--header) + 92px) 28px 120px; background-image: linear-gradient(rgba(89, 132, 204, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(89, 132, 204, .04) 1px, transparent 1px); background-size: 48px 48px; }
.content-shell { max-width: 900px; margin: 0 auto; }
.content-kicker { margin: 0 0 20px; color: var(--blue-soft); font-size: 12px; font-weight: 720; letter-spacing: .13em; text-transform: uppercase; }
.content-shell > h1 { max-width: 800px; margin: 0; font-size: clamp(50px, 7vw, 84px); line-height: 1; letter-spacing: -.055em; }
.content-lead { max-width: 720px; margin: 28px 0 0; color: var(--muted); font-size: 20px; line-height: 1.6; }
.content-meta { margin-top: 20px; color: var(--faint); font-size: 13px; }
.content-body { margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--line); }
.content-body section { padding: 32px 0; border-bottom: 1px solid var(--line); }
.content-body h2 { margin: 0 0 15px; font-size: 24px; letter-spacing: -.03em; }
.content-body p, .content-body li { color: var(--muted); font-size: 16px; line-height: 1.72; }
.content-body ul, .content-body ol { padding-left: 22px; }
.content-body a { color: var(--blue-soft); text-decoration: underline; text-underline-offset: 4px; }
.content-callout { margin-top: 52px; padding: 28px; border: 1px solid var(--line-strong); border-radius: 16px; background: rgba(16, 43, 83, .45); }
.content-callout h2 { margin-top: 0; }
.content-callout p:last-child { margin-bottom: 0; }

.guides-index { min-height: 100vh; padding: calc(var(--header) + 92px) 28px 130px; background: var(--bg); }
.guides-index > header, .guide-index-section { max-width: var(--max); margin-inline: auto; }
.guides-index > header { padding: 50px 0 78px; }
.guides-index > header h1 { max-width: 850px; margin: 0; font-size: clamp(56px, 7vw, 92px); line-height: .98; letter-spacing: -.06em; }
.guides-index > header > p:not(.content-kicker) { max-width: 690px; margin: 28px 0 0; color: var(--muted); font-size: 20px; line-height: 1.55; }
.guide-jumps { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.guide-jumps a { padding: 10px 15px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--blue-soft); font-size: 13px; font-weight: 700; }
.guide-jumps a:hover { border-color: var(--blue-soft); color: white; }
.guide-index-section { padding: 20px 0 92px; scroll-margin-top: 90px; }
.guide-section-heading { display: grid; grid-template-columns: 1fr minmax(300px, 520px); align-items: end; gap: 10px 50px; margin-bottom: 34px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.guide-section-heading .content-kicker { grid-column: 1 / -1; margin-bottom: 4px; }
.guide-section-heading h2 { margin: 0; font-size: clamp(36px, 4vw, 54px); line-height: 1.02; letter-spacing: -.05em; }
.guide-section-heading > p:last-child { margin: 0; color: var(--muted); line-height: 1.6; }
.guide-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.guide-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: rgba(10, 28, 56, .72); transition: transform .22s, border-color .22s, box-shadow .22s; }
.guide-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 24px 55px rgba(0,0,0,.24); }
.guide-card-image { display: block; height: 210px; overflow: hidden; background: #e9edf4; }
.guide-card-image img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .45s ease; }
.guide-card:hover .guide-card-image img { transform: scale(1.025); }
.guide-card > div { padding: 24px 24px 26px; }
.guide-card > div > span { color: var(--blue-soft); font-size: 11px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.guide-card h3 { margin: 12px 0 0; font-size: 23px; line-height: 1.15; letter-spacing: -.035em; }
.guide-card p { min-height: 92px; margin: 16px 0 0; color: var(--muted); font-size: 14px; line-height: 1.58; }
.guide-card small { display: block; margin-top: 20px; color: var(--faint); font-size: 12px; }

.guide-page { padding: calc(var(--header) + 58px) 28px 120px; background: linear-gradient(to bottom, var(--bg) 0, var(--bg) 660px, #f4f7fb 660px, #f4f7fb 100%); }
.guide-article { max-width: 1120px; margin: 0 auto; }
.breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: #8290a6; font-size: 12px; }
.breadcrumbs a:hover { color: white; }
.guide-header { max-width: 920px; padding: 64px 0 58px; }
.guide-header h1 { margin: 0; font-size: clamp(52px, 6.5vw, 84px); line-height: 1; letter-spacing: -.058em; text-wrap: balance; }
.guide-header > p:not(.content-kicker) { max-width: 770px; margin: 26px 0 0; color: var(--muted); font-size: 20px; line-height: 1.55; }
.guide-meta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--faint); font-size: 12px; }
.guide-meta span:not(:last-child)::after { content: ""; display: inline-block; width: 3px; height: 3px; margin-left: 24px; vertical-align: middle; border-radius: 50%; background: var(--blue-bright); }
.guide-hero { margin: 0; overflow: hidden; border: 1px solid rgba(5, 17, 38, .16); border-radius: 22px; background: #e9edf4; box-shadow: 0 30px 80px rgba(0,0,0,.28); }
.guide-hero img { width: 100%; height: 560px; object-fit: cover; object-position: top center; }
.guide-hero figcaption { padding: 12px 16px; color: #68758a; background: white; font-size: 11px; }
.guide-layout { display: grid; grid-template-columns: minmax(0, 760px) 240px; justify-content: space-between; gap: 76px; padding-top: 76px; color: #132039; }
.guide-content > section { padding: 38px 0; border-bottom: 1px solid #d9e1ec; scroll-margin-top: 90px; }
.guide-content h2 { margin: 0 0 18px; font-size: 30px; line-height: 1.15; letter-spacing: -.038em; }
.guide-content p, .guide-content li { color: #4d5b70; font-size: 17px; line-height: 1.78; }
.guide-content p { margin: 0 0 18px; }
.guide-content p:last-child { margin-bottom: 0; }
.guide-content ul, .guide-content ol { padding-left: 24px; }
.guide-content li + li { margin-top: 10px; }
.guide-content strong { color: #17243a; }
.guide-content code { padding: 2px 6px; border: 1px solid #d6deea; border-radius: 5px; background: #eaf0f7; color: #16488e; font-size: .9em; }
.definition-box { padding: 30px; border: 1px solid #b9d4fa !important; border-radius: 16px; background: #eaf3ff; }
.definition-box h2 { color: #105ac8; font-size: 16px; letter-spacing: -.02em; }
.definition-box p { color: #29415e; font-size: 18px; line-height: 1.7; }
.brand-note { margin: 22px 0 0 !important; padding: 13px 16px; border: 1px solid #d9e1ec; border-radius: 10px; color: #68758a !important; background: #f8fafc; font-size: 13px !important; line-height: 1.55 !important; }
.comparison-table-wrap { margin: 24px 0 8px; overflow-x: auto; border: 1px solid #d6deea; border-radius: 14px; background: white; box-shadow: 0 10px 30px rgba(22, 43, 75, .06); }
.comparison-table { width: 100%; min-width: 680px; border-collapse: collapse; font-size: 14px; line-height: 1.45; }
.comparison-table th, .comparison-table td { padding: 15px 17px; border-bottom: 1px solid #e0e6ef; text-align: left; vertical-align: top; }
.comparison-table thead th { color: #eef5ff; background: #0b2a55; font-size: 12px; font-weight: 750; letter-spacing: .025em; }
.comparison-table tbody th { width: 18%; color: #17243a; background: #f3f7fc; font-weight: 720; }
.comparison-table tbody td { color: #4d5b70; }
.comparison-table td a { display: inline-block; margin-top: 6px; color: #176cff; font-size: 12px; font-weight: 680; }
.comparison-table tbody tr:last-child > * { border-bottom: 0; }
.comparison-table tbody tr:hover td { background: #f8fbff; }
.localized-language-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: -24px 0 34px; }
.localized-language-nav a { padding: 8px 11px; border: 1px solid rgba(126, 164, 216, .28); border-radius: 999px; color: #aebbd0; font-size: 11px; transition: border-color .2s, color .2s, background .2s; }
.localized-language-nav a:hover, .localized-language-nav a[aria-current="page"] { border-color: #4d8ff7; color: white; background: rgba(23, 108, 255, .16); }
.localized-language-nav.on-light a { border-color: #cbd6e5; color: #526278; background: rgba(255,255,255,.6); }
.localized-language-nav.on-light a:hover, .localized-language-nav.on-light a[aria-current="page"] { border-color: #176cff; color: #0e55c7; background: #eaf3ff; }
.localized-comparison-content { max-width: 920px; padding: 76px 0 84px; color: #132039; }
.localized-comparison .guide-cta { margin-top: 0; }
.guide-page:has(.localized-comparison) { background: linear-gradient(to bottom, var(--bg) 0, var(--bg) 800px, #f4f7fb 800px, #f4f7fb 100%); }
.guide-toc { position: sticky; top: calc(var(--header) + 30px); align-self: start; display: flex; flex-direction: column; gap: 13px; padding-left: 24px; border-left: 1px solid #d3dce8; }
.guide-toc strong { margin-bottom: 8px; color: #18243a; font-size: 13px; }
.guide-toc a { color: #68758a; font-size: 12px; line-height: 1.35; }
.guide-toc a:hover { color: #176cff; }
.guide-toc .toc-download { margin-top: 14px; padding: 11px 13px; color: white; background: var(--blue); border-radius: 8px; text-align: center; font-weight: 700; }
.guide-faq details { border-top: 1px solid #d9e1ec; }
.guide-faq details:last-child { border-bottom: 1px solid #d9e1ec; }
.guide-faq summary { position: relative; padding: 19px 34px 19px 0; color: #1b2940; cursor: pointer; font-weight: 680; list-style: none; }
.guide-faq summary::-webkit-details-marker { display: none; }
.guide-faq summary::after { content: "+"; position: absolute; right: 6px; top: 17px; color: #176cff; font-size: 22px; }
.guide-faq details[open] summary::after { content: "−"; }
.guide-faq details p { padding-bottom: 20px; }
.guide-sources a { color: #176cff; text-decoration: underline; text-underline-offset: 4px; }
.related-guides { padding: 92px 0 76px; color: #132039; }
.related-guides > h2 { margin: 0 0 24px; font-size: 34px; letter-spacing: -.04em; }
.related-guides > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.related-card { min-height: 190px; display: flex; flex-direction: column; padding: 24px; border: 1px solid #d5deea; border-radius: 14px; background: white; transition: transform .2s, box-shadow .2s; }
.related-card:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(24, 45, 80, .10); }
.related-card span { color: #176cff; font-size: 10px; font-weight: 760; letter-spacing: .1em; text-transform: uppercase; }
.related-card strong { margin-top: 13px; color: #17243a; font-size: 18px; line-height: 1.25; letter-spacing: -.025em; }
.related-card small { margin-top: auto; color: #5c6a7f; }
.guide-cta { min-height: 300px; display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 54px; border-radius: 20px; color: white; background: #0b4fd6; overflow: hidden; }
.guide-cta h2 { max-width: 650px; margin: 0; font-size: 38px; line-height: 1.05; letter-spacing: -.045em; }
.guide-cta p { margin: 16px 0 0; color: rgba(255,255,255,.72); line-height: 1.5; }
.guide-cta .store-button { flex: 0 0 auto; width: auto; }

@media (max-width: 980px) {
  .guide-card-grid { grid-template-columns: 1fr 1fr; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-toc { display: none; }
  .guide-hero img { height: 460px; }
}

@media (max-width: 700px) {
  body:has(.guide-page) .nav-actions > .button,
  body:has(.guides-index) .nav-actions > .button { display: inline-flex; }
  .guides-index, .guide-page { padding-inline: 20px; }
  .guides-index > header { padding-top: 24px; }
  .guide-section-heading { grid-template-columns: 1fr; }
  .guide-section-heading .content-kicker { grid-column: auto; }
  .guide-card-grid { grid-template-columns: 1fr; }
  .guide-card p { min-height: 0; }
  .guide-header { padding: 42px 0; }
  .guide-header h1 { font-size: clamp(44px, 12vw, 60px); }
  .guide-header > p:not(.content-kicker) { font-size: 17px; }
  .guide-meta span::after { display: none !important; }
  .guide-hero img { height: 260px; }
  .guide-layout { padding-top: 48px; }
  .localized-language-nav { margin-top: -12px; }
  .localized-comparison-content { padding-top: 48px; }
  .guide-page:has(.localized-comparison) { background: linear-gradient(to bottom, var(--bg) 0, var(--bg) 710px, #f4f7fb 710px, #f4f7fb 100%); }
  .guide-content p, .guide-content li { font-size: 16px; }
  .definition-box { padding: 23px; }
  .related-guides > div { grid-template-columns: 1fr; }
  .guide-cta { padding: 34px 26px; flex-direction: column; align-items: flex-start; }
  .guide-cta h2 { font-size: 32px; }
}

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--delay, 0ms); }
.js .reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .hero { grid-template-columns: 1fr; padding-top: 150px; }
  .hero-copy { max-width: 760px; padding-top: 0; }
  .hero-media { width: min(900px, 96%); margin: 20px auto 0; }
  .section-heading, .feature-layout { grid-template-columns: 1fr; }
  .section-heading { gap: 26px; }
  .feature-copy { max-width: 760px; }
  .feature-media { min-height: 620px; }
  .platform-grid { grid-template-columns: 1fr; padding: 54px; }
  .tv-frame { grid-column: 1; }
}

@media (max-width: 760px) {
  :root { --header: 66px; }
  .nav-shell { padding: 0 18px; }
  .brand { font-size: 19px; }
  .brand img { width: 36px; height: 36px; }
  .nav-actions > .button { display: none; }
  .language-button { min-width: 50px; justify-content: center; }
  .language-button svg:first-child { display: none; }
  .section-grid, .section-pad { padding-inline: 20px; }
  .hero { min-height: auto; padding-top: 128px; padding-bottom: 82px; gap: 54px; }
  .hero h1 { font-size: clamp(50px, 14vw, 68px); }
  .hero-lead { margin-top: 24px; font-size: 18px; }
  .hero-actions { align-items: stretch; gap: 20px; }
  .store-button { width: 100%; }
  .platform-line { margin-top: 34px; }
  .floating-icon { right: -8px; bottom: -24px; width: 92px; border-radius: 22px; }
  .signal-inner { min-height: 150px; padding: 28px 20px; align-items: flex-start; flex-direction: column; }
  .protocols { justify-content: flex-start; }
  .section-pad { padding-top: 96px; padding-bottom: 96px; }
  .section-heading h2, .feature-copy h2 { font-size: clamp(43px, 12vw, 58px); }
  .section-heading > p, .section-lead { font-size: 16px; }
  .workflow-tabs { margin-top: 50px; display: block; }
  .workflow-tab { width: 100%; min-height: 100px; padding-top: 18px; }
  .workflow-stage { min-height: 360px; margin-top: 38px; }
  .stage-main { width: 93%; height: 330px; }
  .stage-preview { width: 48%; height: 250px; top: 45px; }
  .stage-preview-left { left: -12%; }
  .stage-preview-right { right: -12%; }
  .feature-media { min-height: 450px; }
  .feature-live { height: 350px; }
  .phone-frame { width: 160px; left: -2px; }
  .feature-list { margin-top: 36px; }
  .platform-section { padding: 0 20px 96px; }
  .platform-grid { padding: 40px 22px; gap: 46px; }
  .platform-devices { grid-template-columns: 1fr 1fr; gap: 34px 12px; }
  .final-cta { min-height: 720px; padding: 88px 20px; grid-template-columns: 1fr; gap: 30px; align-content: center; }
  .cta-icon { width: 105px; border-radius: 24px; }
  .cta-copy h2 { font-size: clamp(49px, 13vw, 66px); }
  .cta-copy > p { font-size: 18px; }
  .cta-mark { width: 110vw; right: -48vw; }
  .site-footer { padding: 70px 20px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column-reverse; }
}

@media (max-width: 430px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
}

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