@import "tailwindcss";

:root {
  --ink: #14191d;
  --muted: #5c666d;
  --soft: #f3f6f4;
  --line: #d8dfda;
  --green: #1caf50;
  --green-dark: #0b7b34;
  --green-soft: #e8f8ed;
  --navy: #13232b;
  --white: #ffffff;
  --shadow: 0 18px 48px rgb(18 36 27 / 10%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.65; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.skip-link { background: var(--ink); color: white; left: 1rem; padding: .65rem 1rem; position: fixed; top: -5rem; z-index: 100; }
.skip-link:focus { top: 1rem; }
.site-header { background: rgb(255 255 255 / 92%); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); }
.header-inner { align-items: center; display: flex; gap: 2rem; justify-content: space-between; margin: 0 auto; max-width: 1220px; min-height: 72px; padding: 0 28px; }
.brand { align-items: center; display: inline-flex; font-size: 1.3rem; font-weight: 760; letter-spacing: -.04em; line-height: 1; }
.brand-mark { display: inline-block; height: 35px; margin-right: .55rem; position: relative; width: 35px; }
.brand-frame { border: 2px solid #97d7ab; bottom: 4px; left: 2px; position: absolute; top: 7px; width: 24px; }
.brand-cut { background: var(--green); clip-path: polygon(35% 0, 100% 0, 66% 42%, 100% 42%, 27% 100%, 44% 57%, 5% 57%); height: 34px; position: absolute; right: 0; top: 0; width: 20px; }
.brand-64 { color: var(--green); }
.main-nav { align-items: center; display: flex; gap: 1.65rem; }
.main-nav a { color: #344047; font-size: .93rem; font-weight: 600; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--green-dark); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { background: var(--ink); color: white; cursor: pointer; font-size: .88rem; font-weight: 700; list-style: none; min-width: 76px; padding: .55rem .8rem; text-align: center; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary::after { content: " +"; }
.mobile-nav[open] summary::after { content: " −"; }
.mobile-nav nav { background: white; border: 1px solid var(--line); box-shadow: var(--shadow); display: grid; min-width: 190px; padding: .45rem; position: absolute; right: 0; top: calc(100% + .5rem); }
.mobile-nav nav a { color: #344047; font-size: .92rem; font-weight: 650; padding: .65rem .75rem; }
.mobile-nav nav a:hover, .mobile-nav nav a:focus-visible { background: var(--green-soft); color: var(--green-dark); }
.header-cta, .button-primary, .button-secondary { align-items: center; border: 1px solid transparent; display: inline-flex; font-weight: 700; justify-content: center; min-height: 46px; padding: .65rem 1.15rem; transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
.header-cta { background: var(--ink); color: white; font-size: .88rem; min-height: 40px; }
.button-primary { background: var(--green); box-shadow: 0 10px 24px rgb(28 175 80 / 22%); color: white; }
.button-secondary { background: white; border-color: #aeb9b2; color: var(--ink); }
.header-cta:hover, .button-primary:hover, .button-secondary:hover { transform: translateY(-2px); }
.button-primary:hover { background: var(--green-dark); }
.announcement { background: var(--navy); color: #dfe9e4; font-size: .86rem; letter-spacing: .02em; padding: .55rem 1rem; text-align: center; }
.announcement strong { color: #7fe49e; }
.hero { background: radial-gradient(circle at 12% 20%, rgb(34 192 91 / 11%), transparent 28rem), linear-gradient(180deg, #fbfdfb 0%, #f3f7f4 100%); overflow: hidden; padding: 82px 28px 90px; }
.hero-grid, .content-wide, .content-narrow { margin: 0 auto; max-width: 1164px; }
.content-narrow { max-width: 900px; }
.hero-grid { align-items: center; display: grid; gap: 64px; grid-template-columns: .9fr 1.1fr; }
.eyebrow { color: var(--green-dark); font-size: .76rem; font-weight: 800; letter-spacing: .14em; margin: 0 0 1rem; text-transform: uppercase; }
.hero h1, .page-intro h1 { font-size: clamp(2.55rem, 5vw, 5rem); letter-spacing: -.055em; line-height: 1.02; margin: 0; }
.hero h1 span { color: var(--green); }
.hero-lead { color: #4c595f; font-size: 1.17rem; margin: 1.5rem 0 0; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-proof { color: var(--muted); display: flex; flex-wrap: wrap; font-size: .82rem; gap: 1.1rem; margin-top: 1.35rem; }
.hero-proof span::before { color: var(--green); content: "✓"; font-weight: 800; margin-right: .35rem; }
.product-visual { background: white; border: 1px solid rgb(21 57 35 / 12%); box-shadow: var(--shadow); padding: 12px; position: relative; transform: rotate(.4deg); }
.product-visual::after { background: var(--green); bottom: -9px; content: ""; height: 9px; left: 34px; position: absolute; right: 34px; }
.product-visual img { width: 100%; }
.section { padding: 90px 28px; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--navy); color: white; }
.section-heading { display: grid; gap: 2rem; grid-template-columns: .7fr 1.3fr; margin-bottom: 3.2rem; }
.section-heading h2 { font-size: clamp(2rem, 4vw, 3.3rem); letter-spacing: -.045em; line-height: 1.08; margin: 0; }
.section-heading p { color: var(--muted); font-size: 1.05rem; margin: .2rem 0 0; }
.section-dark .section-heading p { color: #c8d5cf; }
.feature-grid, .workflow-grid, .stats-grid, .format-grid, .faq-grid { display: grid; gap: 18px; }
.feature-grid, .workflow-grid { grid-template-columns: repeat(3, 1fr); }
.stats-grid, .format-grid { grid-template-columns: repeat(4, 1fr); }
.faq-grid { grid-template-columns: repeat(2, 1fr); }
.feature-card, .workflow-card, .format-card, .faq-card, .panel { background: white; border: 1px solid var(--line); padding: 28px; }
.feature-card h3, .workflow-card h3, .format-card h3, .faq-card h3 { font-size: 1.12rem; line-height: 1.3; margin: 0 0 .65rem; }
.feature-card p, .workflow-card p, .format-card p, .faq-card p { color: var(--muted); font-size: .94rem; margin: 0; }
.card-icon { align-items: center; background: var(--green-soft); color: var(--green-dark); display: inline-flex; font-size: 1.1rem; font-weight: 800; height: 40px; justify-content: center; margin-bottom: 1rem; width: 40px; }
.workflow-number { color: var(--green); font-size: 2rem; font-weight: 800; letter-spacing: -.04em; }
.stat { border-left: 2px solid #426056; padding: .7rem 1rem; }
.stat strong { display: block; font-size: 1.2rem; margin-bottom: .2rem; }
.stat span { color: #b9c9c2; font-size: .88rem; }
.codec-usp { border-top: 1px solid #355047; display: grid; gap: 18px; grid-template-columns: 1fr 1fr auto; margin-top: 34px; padding-top: 30px; }
.codec-usp > div > span { color: #7fe49e; display: block; font-size: .72rem; font-weight: 850; letter-spacing: .12em; margin-bottom: .4rem; text-transform: uppercase; }
.codec-usp p { color: #c8d5cf; font-size: .82rem; margin: 0; }
.codec-usp > a { align-self: center; border: 1px solid #6c9182; color: white; font-size: .8rem; font-weight: 750; padding: .72rem .9rem; text-align: center; }
.codec-usp > a:hover, .codec-usp > a:focus-visible { background: #21473a; border-color: #7fe49e; }
.compatibility-band { align-items: center; background: linear-gradient(120deg, #e9f9ee, #f7fbf8); border: 1px solid #cbe9d4; display: grid; gap: 3rem; grid-template-columns: 1.2fr .8fr; padding: 42px; }
.compatibility-band h2 { font-size: 2rem; letter-spacing: -.035em; margin: 0 0 .8rem; }
.compatibility-band p { color: var(--muted); margin: 0; }
.compatibility-list { display: grid; gap: .7rem; }
.compatibility-list span { background: white; border-left: 3px solid var(--green); box-shadow: 0 6px 18px rgb(20 45 30 / 6%); font-size: .9rem; padding: .65rem .8rem; }
.price-panel { align-items: center; background: white; border-top: 4px solid var(--green); box-shadow: var(--shadow); display: grid; gap: 2rem; grid-template-columns: 1fr auto; padding: 36px 40px; }
.price-panel h2 { font-size: 2rem; letter-spacing: -.04em; margin: 0; }
.price-panel p { color: var(--muted); margin: .65rem 0 0; max-width: 710px; }
.price-block { min-width: 200px; text-align: right; }
.price-block strong { display: block; font-size: 2.6rem; letter-spacing: -.05em; }
.price-block span { color: var(--muted); font-size: .82rem; }
.page-intro { background: linear-gradient(180deg, #f4f8f5 0%, white 100%); border-bottom: 1px solid var(--line); padding: 78px 28px 68px; }
.page-intro h1 { font-size: clamp(2.5rem, 5vw, 4.6rem); max-width: 900px; }
.intro-copy { color: var(--muted); font-size: 1.1rem; margin-top: 1.3rem; max-width: 770px; }
.intro-copy p { margin: 0; }
.prose-layout { display: grid; gap: 44px; grid-template-columns: 240px minmax(0, 1fr); }
.side-nav { align-self: start; border-left: 1px solid var(--line); display: grid; gap: .15rem; position: sticky; top: 98px; }
.side-nav a { border-left: 3px solid transparent; color: var(--muted); font-size: .88rem; margin-left: -2px; padding: .38rem 0 .38rem 1rem; }
.side-nav a:hover { border-color: var(--green); color: var(--ink); }
.prose { max-width: 840px; }
.prose section { border-bottom: 1px solid var(--line); padding: 0 0 3rem; margin: 0 0 3rem; scroll-margin-top: 100px; }
.prose section:last-child { border: 0; margin-bottom: 0; }
.prose h2 { font-size: 1.85rem; letter-spacing: -.035em; line-height: 1.2; margin: 0 0 1rem; }
.prose h3 { font-size: 1.15rem; margin: 1.7rem 0 .45rem; }
.prose p, .prose li { color: #4c575d; }
.prose a { color: var(--green-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: .4rem; }
.data-table { border-collapse: collapse; margin-top: 1.5rem; width: 100%; }
.data-table th, .data-table td { border-bottom: 1px solid var(--line); padding: .9rem .8rem; text-align: left; vertical-align: top; }
.data-table th { background: var(--soft); color: #314039; font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }
.data-table td { color: #4c575d; font-size: .92rem; }
.status-note { border-left: 4px solid #738078; margin: 1.5rem 0; padding: 1rem 1.2rem; }
.status-good { background: var(--green-soft); border-color: var(--green); }
.status-warn { background: #fff7df; border-color: #d59a00; }
.status-neutral { background: var(--soft); }
.policy-meta { background: var(--soft); border: 1px solid var(--line); display: grid; gap: .8rem; grid-template-columns: repeat(3, 1fr); margin: 0 0 2.5rem; padding: 18px 20px; }
.policy-meta div { color: var(--muted); font-size: .82rem; }
.policy-meta strong { color: var(--ink); display: block; font-size: .74rem; letter-spacing: .06em; margin-bottom: .2rem; text-transform: uppercase; }
.review-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.review-card { background: white; border: 1px solid var(--line); border-top: 3px solid var(--green); padding: 24px; }
.review-card h2, .review-card h3 { font-size: 1.15rem; margin: 0 0 .65rem; }
.review-card p { color: var(--muted); font-size: .9rem; margin: 0; }
.review-card strong { color: var(--ink); }
.demo-stage { background: var(--navy); box-shadow: var(--shadow); padding: 14px; }
.demo-stage video { aspect-ratio: 16 / 9; background: #050708; display: block; height: auto; width: 100%; }
.demo-caption { color: var(--muted); font-size: .86rem; margin: 1rem 0 0; }
.demo-points { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); margin-top: 28px; }
.demo-points article { border: 1px solid var(--line); padding: 22px; }
.demo-points h2 { font-size: 1.05rem; margin: 0 0 .5rem; }
.demo-points p { color: var(--muted); font-size: .88rem; margin: 0; }
.key-facts { background: linear-gradient(125deg, #102128 0%, #18342b 100%); color: white; display: grid; gap: 1px; grid-template-columns: repeat(4, 1fr); padding: 1px; }
.key-facts div { background: rgb(255 255 255 / 6%); min-height: 132px; padding: 24px; }
.key-facts strong { color: #7ee59d; display: block; font-size: 1.3rem; line-height: 1.2; }
.key-facts span { color: #c8d8d1; display: block; font-size: .82rem; margin-top: .55rem; }
.format-page { padding-top: 68px; }
.format-overview { align-items: start; background: linear-gradient(125deg, #102128 0%, #18342b 100%); color: white; display: grid; gap: 3rem; grid-template-columns: 1.1fr .9fr; padding: 42px; }
.format-overview h2 { font-size: clamp(2rem, 4vw, 3.1rem); letter-spacing: -.045em; line-height: 1.08; margin: 0; }
.format-overview > div > p:last-child { color: #c8d8d1; margin: 1rem 0 0; max-width: 700px; }
.format-overview .eyebrow { color: #78e69b; }
.format-stats { display: grid; gap: 1px; grid-template-columns: repeat(2, 1fr); overflow: hidden; }
.format-stats div { background: rgb(255 255 255 / 8%); min-height: 116px; padding: 22px; }
.format-stats strong { color: #7ee59d; display: block; font-size: 2rem; letter-spacing: -.05em; line-height: 1; }
.format-stats span { color: #c8d8d1; display: block; font-size: .82rem; line-height: 1.35; margin-top: .55rem; }
.format-jumps { background: white; border: 1px solid var(--line); display: grid; grid-template-columns: repeat(6, 1fr); margin: 18px 0 72px; }
.format-jumps a { color: #344047; font-size: .84rem; font-weight: 750; padding: .85rem .65rem; text-align: center; }
.format-jumps a + a { border-left: 1px solid var(--line); }
.format-jumps a:hover, .format-jumps a:focus-visible { background: var(--green-soft); color: var(--green-dark); }
.matrix-section { border-bottom: 1px solid var(--line); margin-bottom: 76px; padding-bottom: 76px; scroll-margin-top: 92px; }
.matrix-section:last-child { border: 0; margin-bottom: 0; padding-bottom: 0; }
.matrix-section > h2 { font-size: 1.8rem; letter-spacing: -.035em; margin: 0 0 1.2rem; }
.matrix-heading { align-items: end; display: grid; gap: 2.5rem; grid-template-columns: .85fr 1.15fr; margin-bottom: 28px; }
.matrix-heading h2 { font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -.045em; line-height: 1.08; margin: 0; }
.matrix-heading > p { color: var(--muted); margin: 0; }
.support-legend { display: grid; gap: 12px; grid-template-columns: repeat(3, 1fr); }
.support-legend > div { align-items: start; border: 1px solid var(--line); display: grid; gap: .65rem; padding: 18px; }
.support-legend span:last-child { color: var(--muted); font-size: .86rem; }
.support-badge { border: 1px solid transparent; display: inline-block; font-size: .7rem; font-weight: 800; letter-spacing: .035em; line-height: 1.25; margin: 0 0 .55rem; padding: .28rem .45rem; text-transform: uppercase; width: fit-content; }
.badge-verified { background: #e8f8ed; border-color: #9fd7b1; color: #087332; }
.badge-smart { background: #e7f7f3; border-color: #8fd1c1; color: #086b59; }
.badge-copy { background: #eef3ff; border-color: #acbfe8; color: #274f9a; }
.badge-transcode { background: #f2edff; border-color: #c5b4ed; color: #5b3b9e; }
.badge-conditional { background: #fff5d9; border-color: #e2c46a; color: #7b5b00; }
.badge-not-claimed { background: #f2f3f3; border-color: #c9cecb; color: #626a66; }
.matrix-wrap { border: 1px solid var(--line); overflow-x: auto; }
.support-matrix { border-collapse: collapse; min-width: 980px; width: 100%; }
.support-matrix th, .support-matrix td { border-bottom: 1px solid var(--line); border-right: 1px solid #e6ebe7; padding: 15px 14px; text-align: left; vertical-align: top; }
.support-matrix th:last-child, .support-matrix td:last-child { border-right: 0; }
.support-matrix tr:last-child td { border-bottom: 0; }
.support-matrix th { background: #edf3ef; color: #2e3b35; font-size: .72rem; letter-spacing: .055em; position: sticky; text-transform: uppercase; top: 72px; z-index: 2; }
.support-matrix td { color: #4b5751; font-size: .84rem; line-height: 1.48; }
.support-matrix td:first-child { background: #fbfcfb; color: var(--ink); min-width: 190px; }
.support-matrix td > strong { display: block; font-size: .94rem; margin-bottom: .35rem; }
.support-matrix td > span:not(.support-badge) { color: #68736d; display: block; font-size: .78rem; }
.support-matrix .support-badge + span { color: #59645e; display: block; font-size: .8rem; }
.video-matrix td:nth-child(2), .video-matrix td:nth-child(3), .video-matrix td:nth-child(4) { min-width: 190px; }
.container-matrix { min-width: 850px; }
.container-matrix td:first-child { min-width: 210px; }
.detail-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.detail-grid article { border: 1px solid var(--line); border-top: 3px solid var(--green); padding: 24px; }
.detail-grid h3 { font-size: 1.05rem; margin: 0 0 .65rem; }
.detail-grid p { color: var(--muted); font-size: .88rem; margin: 0; }
.evidence-list { counter-reset: evidence; display: grid; gap: 1px; grid-template-columns: repeat(3, 1fr); list-style: none; margin: 0; padding: 1px; }
.evidence-list li { background: var(--soft); color: #46524c; counter-increment: evidence; font-size: .84rem; min-height: 74px; padding: 16px 16px 16px 52px; position: relative; }
.evidence-list li::before { color: var(--green-dark); content: counter(evidence, decimal-leading-zero); font-size: .75rem; font-weight: 850; left: 16px; position: absolute; top: 17px; }
.limit-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); list-style: none; margin: 0; padding: 0; }
.limit-grid li { border: 1px solid var(--line); color: #4d5953; font-size: .88rem; padding: 16px 18px 16px 42px; position: relative; }
.limit-grid li::before { color: #a27100; content: "—"; font-weight: 900; left: 17px; position: absolute; }
.matrix-footnote { color: var(--muted); font-size: .8rem; margin: 24px 0 0; }
.checklist { display: grid; gap: .7rem; list-style: none; padding: 0; }
.checklist li { border: 1px solid var(--line); padding: .9rem 1rem .9rem 2.8rem; position: relative; }
.checklist li::before { color: var(--green); content: "✓"; font-weight: 900; left: 1rem; position: absolute; }
.checklist li.pending::before { color: #b07800; content: "○"; }
.contact-panel { background: var(--navy); color: white; padding: 44px; }
.contact-panel h2 { font-size: 2rem; letter-spacing: -.04em; margin: 0; }
.contact-panel p { color: #cbd7d2; max-width: 700px; }
.contact-panel a { color: #86e6a3; font-weight: 700; }
.site-footer { background: #0e171c; color: white; padding: 64px 28px 24px; }
.footer-grid { display: grid; gap: 38px; grid-template-columns: 1.7fr repeat(3, 1fr); margin: 0 auto; max-width: 1164px; }
.footer-brand { margin-bottom: 1rem; }
.footer-grid h2 { color: #aebdb6; font-size: .75rem; letter-spacing: .12em; margin: 0 0 1rem; text-transform: uppercase; }
.footer-grid a { color: #e7eeea; display: block; font-size: .88rem; margin: .45rem 0; }
.footer-grid p { color: #96a79f; font-size: .84rem; max-width: 320px; }
.footer-bottom { align-items: center; border-top: 1px solid #2a3832; color: #84958d; display: flex; font-size: .75rem; gap: 1.2rem; justify-content: space-between; margin: 46px auto 0; max-width: 1164px; padding-top: 18px; }
.footer-legal { display: flex; gap: 1rem; }
.footer-legal a { color: #c7d2cd; }
.footer-legal a:hover, .footer-legal a:focus-visible { color: #7fe49e; }

@media (max-width: 960px) {
  .main-nav { display: none; }
  .header-cta { display: none; }
  .mobile-nav { display: block; }
  .hero-grid, .section-heading, .compatibility-band, .price-panel { grid-template-columns: 1fr; }
  .feature-grid, .workflow-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid, .format-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .price-block { text-align: left; }
  .format-overview, .matrix-heading { grid-template-columns: 1fr; }
  .codec-usp { grid-template-columns: 1fr 1fr; }
  .codec-usp > a { grid-column: 1 / -1; }
  .format-jumps { grid-template-columns: repeat(3, 1fr); }
  .format-jumps a:nth-child(4) { border-left: 0; border-top: 1px solid var(--line); }
  .format-jumps a:nth-child(5), .format-jumps a:nth-child(6) { border-top: 1px solid var(--line); }
  .support-legend, .detail-grid, .review-grid, .demo-points { grid-template-columns: repeat(2, 1fr); }
  .key-facts { grid-template-columns: repeat(2, 1fr); }
  .evidence-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .header-inner { min-height: 64px; padding: 0 18px; }
  .header-cta { padding: .5rem .75rem; }
  .hero, .section, .page-intro { padding-left: 18px; padding-right: 18px; }
  .hero { padding-top: 58px; }
  .hero-grid { gap: 42px; }
  .feature-grid, .workflow-grid, .stats-grid, .format-grid, .faq-grid, .footer-grid { grid-template-columns: 1fr; }
  .prose-layout { grid-template-columns: 1fr; }
  .side-nav { display: none; }
  .compatibility-band, .price-panel, .contact-panel { padding: 28px 22px; }
  .footer-bottom { display: grid; gap: .5rem; }
  .data-table { display: block; overflow-x: auto; }
  .format-page { padding-top: 40px; }
  .format-overview { padding: 28px 22px; }
  .format-jumps { grid-template-columns: repeat(2, 1fr); margin-bottom: 52px; }
  .format-jumps a:nth-child(3), .format-jumps a:nth-child(5) { border-left: 0; }
  .format-jumps a:nth-child(n+3) { border-top: 1px solid var(--line); }
  .support-legend, .detail-grid, .evidence-list, .limit-grid, .review-grid, .demo-points, .policy-meta, .key-facts { grid-template-columns: 1fr; }
  .codec-usp { grid-template-columns: 1fr; }
  .codec-usp > a { grid-column: auto; }
  .matrix-section { margin-bottom: 54px; padding-bottom: 54px; }
}

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