:root {
  --bg: #050505;
  --surface: #0d0d0f;
  --surface-2: #141416;
  --line: rgba(255, 255, 255, .1);
  --text: #f7f7f8;
  --muted: #aaaab2;
  --red: #f22322;
  --red-dark: #a80707;
  --orange: #ff5a1f;
  --green: #31d47d;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, .48);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; background: white; color: black; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 5, 5, .84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav-wrap { height: 74px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 90, 31, .6);
  border-radius: 10px;
  background: linear-gradient(145deg, var(--red), #780000);
  font-weight: 950;
  font-style: italic;
  letter-spacing: -2px;
  box-shadow: 0 0 30px rgba(242, 35, 34, .25);
}
.brand strong, .brand small { display: block; line-height: 1; }
.brand strong { font-size: 16px; letter-spacing: .08em; }
.brand small { margin-top: 5px; color: var(--red); font-size: 9px; letter-spacing: .28em; font-weight: 900; }
.site-header nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.site-header nav a { color: #c8c8cd; text-decoration: none; font-size: 14px; font-weight: 700; }
.site-header nav a:hover { color: white; }
.header-cta { text-decoration: none; border: 1px solid rgba(242, 35, 34, .7); color: white; border-radius: 10px; padding: 10px 15px; font-size: 13px; font-weight: 800; }

.hero { position: relative; overflow: hidden; padding: 86px 0 96px; border-bottom: 1px solid var(--line); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .2;
  background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; }
.hero-glow-one { width: 480px; height: 480px; right: 4%; top: 8%; background: rgba(215, 0, 0, .22); }
.hero-glow-two { width: 340px; height: 340px; left: -12%; bottom: -30%; background: rgba(255, 90, 31, .1); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 66px; align-items: center; }
.eyebrow, .section-kicker { color: #ff7d55; font-size: 12px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 18px var(--red); }
.breadcrumbs { display: flex; gap: 8px; align-items: center; margin-top: 16px; color: #777780; font-size: 12px; }
.breadcrumbs a { color: #aaaab2; text-decoration: none; }
.breadcrumbs b { font-weight: 500; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin: 18px 0 22px; font-size: clamp(42px, 5.1vw, 72px); line-height: 1.02; letter-spacing: -.052em; }
h1 em { color: var(--red); font-style: normal; text-shadow: 0 0 36px rgba(242, 35, 34, .22); }
.lead { max-width: 660px; color: #c2c2c9; font-size: 18px; line-height: 1.7; }
.device-pills { display: flex; flex-wrap: wrap; gap: 9px; margin: 26px 0; }
.device-pills span { border: 1px solid var(--line); background: rgba(255,255,255,.035); border-radius: 999px; padding: 7px 12px; color: #d2d2d8; font-size: 12px; font-weight: 800; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 20px; border-radius: 12px; font-size: 14px; font-weight: 900; text-decoration: none; transition: transform .2s, border-color .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: linear-gradient(135deg, var(--red), #b40808); box-shadow: 0 14px 40px rgba(242, 35, 34, .25); }
.btn-secondary { color: white; border: 1px solid var(--line); background: #111114; }
.btn-secondary:hover { border-color: rgba(255,255,255,.28); }
.play-mini { font-size: 12px; }
.microcopy { color: #777780; margin: 18px 0 0; font-size: 11px; }
.hero-art { position: relative; }
.logo-card { position: relative; overflow: hidden; border-radius: 28px; border: 1px solid rgba(255, 67, 44, .36); background: #080808; box-shadow: var(--shadow), 0 0 70px rgba(242, 35, 34, .14); transform: perspective(1200px) rotateY(-5deg) rotateX(2deg); }
.logo-card::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 70px rgba(0,0,0,.25); pointer-events: none; }
.logo-card img { display: block; width: 100%; height: auto !important; aspect-ratio: auto !important; object-fit: contain; }
.logo-card-shine { position: absolute; inset: -100% 10% auto; width: 32%; height: 260%; transform: rotate(23deg); background: linear-gradient(to right, transparent, rgba(255,255,255,.09), transparent); }
.floating-tag { position: absolute; display: flex; align-items: center; gap: 8px; padding: 11px 14px; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; background: rgba(15, 15, 17, .92); box-shadow: 0 16px 36px rgba(0,0,0,.4); font-size: 12px; font-weight: 800; backdrop-filter: blur(10px); }
.floating-tag b { color: var(--green); }
.tag-one { right: -20px; top: -20px; }
.tag-two { left: -30px; bottom: -22px; }

section { padding: 100px 0; }
.video-section { background: linear-gradient(180deg, #09090a, #050505); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 12px 0 30px; }
h2 { margin-bottom: 16px; font-size: clamp(32px, 4vw, 52px); line-height: 1.08; letter-spacing: -.04em; }
.section-heading-row h2 { margin-bottom: 7px; }
.section-heading-row p, .section-lead { color: var(--muted); margin-bottom: 0; }
.duration { white-space: nowrap; color: #dddde1; font-size: 12px; font-weight: 800; border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; }
.video-shell { position: relative; aspect-ratio: 16/9; overflow: hidden; border-radius: 24px; border: 1px solid rgba(255, 74, 54, .38); background: #000; box-shadow: 0 32px 90px rgba(0,0,0,.65), 0 0 70px rgba(242,35,34,.08); }
.video-shell iframe { width: 100%; height: 100%; border: 0; }
.quick-answer { display: grid; grid-template-columns: auto 1fr; gap: 16px; margin-top: 20px; padding: 20px 22px; border: 1px solid rgba(255, 93, 51, .22); border-radius: 16px; background: linear-gradient(100deg, rgba(242,35,34,.09), rgba(255,255,255,.025)); }
.quick-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--red); font-family: Georgia, serif; font-weight: 900; }
.quick-answer strong { display: block; margin-bottom: 3px; }
.quick-answer p { color: #bdbdc4; margin: 0; font-size: 14px; }

.intro-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.intro-copy-centered .content-block { max-width: 880px; margin-inline: auto; }
.content-block h2 { margin: 13px 0 20px; }
.content-block > p { color: var(--muted); }
.check-list { display: grid; gap: 14px; padding: 0; margin: 28px 0 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.check-list li > span { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; color: var(--green); background: rgba(49,212,125,.08); border: 1px solid rgba(49,212,125,.19); font-weight: 900; }
.check-list b, .check-list small { display: block; }
.check-list small { color: #85858d; margin-top: 2px; line-height: 1.45; }

.steps-section { background: #09090a; }
.steps-section h2, .gallery-section h2, .benefits-section h2, .compatibility-section h2, .troubleshooting-section h2 { margin: 12px 0 12px; }
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; padding: 0; margin: 38px 0 0; list-style: none; counter-reset: step; }
.steps-grid li { position: relative; min-height: 245px; padding: 22px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, #121214, #0a0a0b); }
.steps-grid li::after { content: ""; position: absolute; width: 120px; height: 120px; right: -55px; bottom: -60px; border-radius: 50%; background: rgba(242,35,34,.09); filter: blur(10px); }
.steps-grid li > span { display: inline-block; margin-bottom: 35px; color: var(--red); font-size: 12px; font-weight: 950; letter-spacing: .12em; }
.steps-grid h3 { margin-bottom: 8px; font-size: 18px; }
.steps-grid p { color: #96969e; margin: 0; font-size: 13px; line-height: 1.55; }

.compatibility-section { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.compatibility-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.compatibility-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #0d0d0f; }
.compatibility-table { width: 100%; border-collapse: collapse; min-width: 660px; }
.compatibility-table th, .compatibility-table td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--line); }
.compatibility-table th { color: #ff8561; background: rgba(242,35,34,.06); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.compatibility-table td { color: #a9a9b1; font-size: 13px; }
.compatibility-table td strong { color: white; }
.compatibility-table tbody tr:last-child td { border-bottom: 0; }

.gallery-section { border-top: 1px solid var(--line); }
.app-carousel { margin-top: 38px; border: 1px solid rgba(255, 67, 44, .32); border-radius: 24px; overflow: hidden; background: #070708; box-shadow: 0 30px 90px rgba(0,0,0,.58), 0 0 54px rgba(242,35,34,.07); }
.carousel-stage { position: relative; display: grid; width: 100%; height: auto !important; min-height: 0 !important; aspect-ratio: auto !important; overflow: hidden; background: #000; }
.carousel-slide { position: relative; inset: auto; grid-area: 1 / 1; width: 100%; margin: 0; opacity: 0; visibility: hidden; transform: scale(.985); transition: opacity .85s ease, transform 1.1s ease, visibility 0s linear .85s; }
.carousel-slide.is-active { opacity: 1; visibility: visible; transform: scale(1); transition-delay: 0s; }
.carousel-slide img { display: block; width: 100% !important; max-width: 100%; height: auto !important; max-height: none !important; aspect-ratio: auto !important; object-fit: contain; object-position: center; background: #000; }
.carousel-arrow { position: absolute; z-index: 3; top: 50%; display: grid; place-items: center; width: 48px; height: 48px; padding: 0 0 5px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; color: white; background: rgba(8,8,9,.72); font: 300 36px/1 Arial, sans-serif; cursor: pointer; transform: translateY(-50%); backdrop-filter: blur(10px); transition: background .2s, border-color .2s, transform .2s; }
.carousel-arrow:hover, .carousel-arrow:focus-visible { border-color: rgba(255,255,255,.55); background: rgba(242,35,34,.9); transform: translateY(-50%) scale(1.06); outline: none; }
.carousel-previous { left: 18px; }
.carousel-next { right: 18px; }
.carousel-information { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 112px; padding: 20px 24px; border-top: 1px solid var(--line); }
.carousel-caption { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; min-width: 0; }
.carousel-caption > span { white-space: nowrap; color: #777780; font-size: 11px; font-weight: 850; letter-spacing: .12em; }
.carousel-caption > span b { color: var(--red); font-size: 15px; }
.carousel-caption h3 { margin: 0 0 3px; font-size: 17px; }
.carousel-caption p { color: #8f8f97; margin: 0; font-size: 12px; }
.carousel-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.carousel-dots { display: flex; align-items: center; gap: 8px; }
.carousel-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px; background: #4d4d52; cursor: pointer; transition: width .25s, background .25s; }
.carousel-dots button.is-active { width: 28px; background: var(--red); }
.carousel-toggle { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 10px; color: white; background: #131315; cursor: pointer; font-size: 12px; }
.carousel-toggle:hover, .carousel-toggle:focus-visible { border-color: rgba(255,255,255,.35); outline: none; }

.benefits-section { background: #09090a; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.benefits-grid article { padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: #101012; }
.benefits-grid article > span { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 24px; border-radius: 12px; color: white; background: linear-gradient(145deg, var(--red), #870707); font-weight: 950; }
.benefits-grid h3 { margin-bottom: 8px; font-size: 17px; }
.benefits-grid p { color: #92929a; margin: 0; font-size: 13px; }

.troubleshooting-section { background: #070708; border-bottom: 1px solid var(--line); }
.troubleshooting-section > .container > .section-lead { max-width: 850px; }
.troubleshooting-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.troubleshooting-grid article { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, #121214, #0a0a0b); }
.troubleshooting-grid article > span { display: inline-block; margin-bottom: 20px; color: var(--red); font-size: 11px; font-weight: 950; letter-spacing: .12em; }
.troubleshooting-grid h3 { margin-bottom: 8px; font-size: 17px; }
.troubleshooting-grid p { color: #92929a; margin: 0; font-size: 13px; }
.author-note { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; margin-top: 28px; padding: 22px; border: 1px solid rgba(255,82,52,.25); border-radius: 16px; background: rgba(242,35,34,.05); }
.author-mark { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(145deg, var(--red), #780000); font-weight: 950; font-style: italic; }
.author-note strong { display: block; margin-bottom: 3px; }
.author-note p { color: #92929a; margin: 0; font-size: 13px; }

.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 76px; align-items: start; }
.faq-intro { position: sticky; top: 110px; }
.faq-intro h2 { margin: 12px 0 16px; }
.faq-intro p { color: var(--muted); }
.faq-intro .btn { margin-top: 12px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 24px 0; cursor: pointer; font-size: 16px; font-weight: 850; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 28px; border: 1px solid var(--line); border-radius: 8px; color: var(--red); transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { color: #9b9ba3; padding: 0 42px 24px 0; margin: 0; font-size: 14px; }

.final-cta { padding-top: 20px; }
.cta-panel { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 48px; border: 1px solid rgba(255,82,52,.4); border-radius: 26px; background: radial-gradient(circle at 85% 15%, rgba(242,35,34,.24), transparent 32%), linear-gradient(135deg, #171012, #0a0a0b); box-shadow: var(--shadow); }
.cta-panel::after { content: ""; position: absolute; right: -70px; bottom: -110px; width: 270px; height: 270px; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; }
.cta-panel > * { position: relative; z-index: 1; }
.cta-label { color: #ff8862; font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.cta-panel h2 { max-width: 700px; margin: 10px 0 12px; font-size: clamp(28px, 3vw, 42px); }
.cta-panel p { color: #a6a6ae; margin: 0; }
.cta-panel .btn { flex-shrink: 0; }

footer { padding: 54px 0; border-top: 1px solid var(--line); background: #030303; }
.footer-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 70px; align-items: end; }
.footer-grid > div > p { color: #777780; max-width: 380px; margin: 18px 0 0; font-size: 12px; }
.legal { text-align: right; }
.legal p { max-width: none !important; }
.legal a { display: inline-block; margin-top: 12px; color: #aaaab2; font-size: 12px; }

@media (max-width: 1020px) {
  .site-header nav { display: none; }
  .header-cta { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-art { max-width: 760px; }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .compatibility-layout { grid-template-columns: 1fr; gap: 34px; }
  .troubleshooting-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 38px; }
  .faq-intro { position: static; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav-wrap { height: 66px; }
  .header-cta { display: none; }
  .hero { padding: 60px 0 72px; }
  .hero-grid { gap: 42px; }
  h1 { font-size: clamp(40px, 13vw, 58px); }
  .lead { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .floating-tag { display: none; }
  .logo-card { transform: none; border-radius: 18px; }
  section { padding: 72px 0; }
  .section-heading-row { display: block; }
  .duration { display: inline-block; margin-top: 14px; }
  .video-shell { border-radius: 14px; }
  .quick-answer { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid li { min-height: 0; }
  .steps-grid li > span { margin-bottom: 24px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .troubleshooting-grid { grid-template-columns: 1fr; }
  .author-note { grid-template-columns: 1fr; }
  .carousel-arrow { width: 38px; height: 38px; font-size: 30px; }
  .carousel-previous { left: 10px; }
  .carousel-next { right: 10px; }
  .carousel-information { align-items: flex-start; min-height: 0; padding: 16px; }
  .carousel-caption { gap: 10px; }
  .carousel-caption p { display: none; }
  .carousel-actions { gap: 10px; }
  .cta-panel { display: block; padding: 30px 24px; }
  .cta-panel .btn { width: 100%; margin-top: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .legal { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
