---import Layout from "../layouts/Layout.astro";--- <Layout>  <h1 class="tagline">T3 Code is the best way to code with AI.</h1>   <a    id="download-btn"    href="https://github.com/pingdotgg/t3code/releases"    class="hero-button"  >    <svg class="hero-button-icon hero-button-icon--apple" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 814 1000" aria-hidden="true"><path fill="currentColor" d="M788.1 340.9c-5.8 4.5-108.2 62.2-108.2 190.5 0 148.4 130.3 200.9 134.2 202.2-.6 3.2-20.7 71.9-68.7 141.9-42.8 61.6-87.5 123.1-155.5 123.1s-85.5-39.5-164-39.5c-76.5 0-103.7 40.8-165.9 40.8s-105.6-57-155.5-127C46.7 790.7 0 663 0 541.8c0-194.4 126.4-297.5 250.8-297.5 66.1 0 121.2 43.4 162.7 43.4 39.5 0 101.1-46 176.3-46 28.5 0 130.9 2.6 198.3 99.2zm-234-181.5c31.1-36.9 53.1-88.1 53.1-139.3 0-7.1-.6-14.3-1.9-20.1-50.6 1.9-110.8 33.7-147.1 75.8-28.5 32.4-55.1 83.6-55.1 135.5 0 7.8 1.3 15.6 1.9 18.1 3.2.6 8.4 1.3 13.6 1.3 45.4 0 102.5-30.4 135.5-71.3z"/></svg>    <svg class="hero-button-icon hero-button-icon--windows" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 88 88" aria-hidden="true"><path fill="currentColor" d="m0 12.402 35.687-4.86.016 34.423-35.67.203zm35.67 33.529.028 34.453L.028 75.48.026 45.7zm4.326-39.025L87.314 0v41.527l-47.318.376zm47.329 39.349-.011 41.34-47.318-6.678-.066-34.739z"/></svg>    <svg class="hero-button-icon hero-button-icon--linux" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 295" aria-hidden="true"><defs><linearGradient id="lt0" x1="48.548%" x2="51.047%" y1="115.276%" y2="41.364%"><stop offset="0%" stop-color="#FFEED7"/><stop offset="100%" stop-color="#BDBFC2"/></linearGradient><linearGradient id="lt6" x1="49.984%" x2="49.984%" y1="89.845%" y2="40.632%"><stop offset="0%" stop-color="#FFEED7"/><stop offset="100%" stop-color="#BDBFC2"/></linearGradient><linearGradient id="lt8" x1="49.841%" x2="50.241%" y1="13.229%" y2="94.673%"><stop offset="0%" stop-color="#FFF" stop-opacity=".8"/><stop offset="100%" stop-color="#FFF" 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transform="translate(10)"/><path fill="#000" d="M133.186 57.712c-.092 5.234 2.48 9.458 5.877 9.458 3.306 0 6.153-4.224 6.245-9.366.091-5.234-2.48-9.459-5.878-9.459-3.397 0-6.152 4.225-6.244 9.367m-21.212.092c.459 4.316-1.194 7.989-3.582 8.356-2.387.276-4.683-2.938-5.142-7.254-.46-4.316 1.194-7.99 3.581-8.357 2.388-.275 4.684 2.939 5.143 7.255"/></g></svg>    <span id="download-label">Download now</span>  </a>   <a href="/download" class="other-platforms">Other platforms</a>   <div class="screenshot-wrap">    <img src="/screenshot.jpeg" alt="T3 Code" class="screenshot" />  </div></Layout> <script>  import { fetchLatestRelease, RELEASES_URL, type ReleaseAsset } from "../lib/releases";   type Platform = { os: "mac" | "win" | "linux"; label: string; arch?: string };   function detectPlatform(): Platform | null {    const ua = navigator.userAgent;    if (/Win/i.test(ua)) return { os: "win", label: "Download for Windows" };    if (/Mac/i.test(ua)) {      return {        os: "mac",        label: `Download for macOS`,        arch: "arm64",      };    }    if (/Linux/i.test(ua)) return { os: "linux", label: "Download for Linux" };    return null;  }   function pickAsset(assets: ReleaseAsset[], platform: Platform): string | null {    if (platform.os === "win") {      return (        assets.find((a) => a.name.endsWith("-x64.exe"))          ?.browser_download_url ?? null      );    }    if (platform.os === "mac") {      const preferred = assets.find((a) =>        a.name.endsWith(`-${platform.arch}.dmg`),      );      const fallback = assets.find((a) => a.name.endsWith(".dmg"));      return (preferred ?? fallback)?.browser_download_url ?? null;    }    if (platform.os === "linux") {      return (        assets.find((a) => a.name.endsWith(".AppImage"))          ?.browser_download_url ?? null      );    }    return null;  }   async function init() {    const btn = document.getElementById("download-btn") as HTMLAnchorElement | null;    const label = document.getElementById("download-label");    if (!btn || !label) return;     const platform = detectPlatform();    if (!platform) return;     document.documentElement.dataset.platform = platform.os;    label.textContent = platform.label;     try {      const release = await fetchLatestRelease();      const url = pickAsset(release.assets ?? [], platform);      if (url) {        btn.href = url;        btn.removeAttribute("target");        btn.removeAttribute("rel");      }    } catch {      btn.href = RELEASES_URL;    }  }   init();</script> <style>  .main {    padding-top: 10vh;  }   /* ── Tagline ── */   .tagline {    font-weight: 500;    font-size: clamp(2rem, 5vw, 3.5rem);    letter-spacing: -0.035em;    line-height: 1.15;    text-align: center;    margin: 0 0 6vh;    opacity: 0;    animation: fade-in 1s ease-out forwards;  }   /* ── Hero button ── */   .hero-button {    display: inline-flex;    align-items: center;    gap: 0.55rem;    background: #fafafa;    color: #09090b;    padding: 0.75rem 2rem;    border-radius: 999px;    font-weight: 600;    font-size: 0.9rem;    margin-bottom: 1.25rem;    opacity: 0;    animation: fade-in 1s ease-out 0.15s forwards;    transition: transform 0.25s ease, box-shadow 0.25s ease;  }   .hero-button:hover {    transform: scale(1.03);    box-shadow: 0 0 24px rgba(255, 255, 255, 0.08);  }   .hero-button:active {    transform: scale(0.98);  }   .hero-button-icon {    display: none;    width: 1em;    height: 1em;    flex-shrink: 0;  }   :global([data-platform="mac"]) .hero-button-icon--apple {    display: block;  }   :global([data-platform="win"]) .hero-button-icon--windows {    display: block;  }   :global([data-platform="linux"]) .hero-button-icon--linux {    display: block;  }   /* ── Other platforms link ── */   .other-platforms {    font-size: 0.825rem;    color: var(--fg-dim);    margin-bottom: 5vh;    opacity: 0;    animation: fade-in 1s ease-out 0.3s forwards;    transition: color 0.3s ease;    text-decoration: underline;    text-decoration-color: rgba(113, 113, 122, 0.4);    text-underline-offset: 3px;  }   .other-platforms:hover {    color: var(--fg-muted);    text-decoration-color: var(--fg-muted);  }   /* ── Screenshot ── */   .screenshot-wrap {    margin: 0 auto;    width: min(95vw, 1400px);    opacity: 0;    transform: scale(0.98);    animation: screenshot-in 1s ease-out 0.15s forwards;  }   .screenshot {    width: 100%;    display: block;    border-radius: 16px;    border: 1px solid rgba(255, 255, 255, 0.06);    mask-image: linear-gradient(to bottom, black 80%, transparent 100%);    -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);  }   .screenshot-wrap::after {    content: "";    display: block;    width: 100%;    height: 120px;    background: inherit;    margin-top: -1px;    opacity: 0.04;    transform: scaleY(-1);    mask-image: linear-gradient(to bottom, black 0%, transparent 60%);    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 60%);    pointer-events: none;  }   @keyframes screenshot-in {    from {      opacity: 0;      transform: scale(0.98);    }    to {      opacity: 1;      transform: scale(1);    }  }   /* ── Mobile ── */   @media (max-width: 640px) {    .main {      padding-top: 7vh;    }     .tagline {      margin-bottom: 4vh;    }     .screenshot-wrap {      width: 95vw;    }  }</style>