*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --accent:#86b300;
  --accent-dark:#4ab300;
  --accent-soft:rgba(134,179,0,0.12);
  --bg:#f7f7f7;
  --bg-alt:#eee;
  --surface:rgba(255,255,255,0.5);
  --surface-hover:rgba(255,255,255,0.7);
  --text:#222;
  --text-sub:#3c3c3c;
  --text-muted:#666;
  --border:rgba(0,0,0,0.08);
  --nav-bg:rgba(251,251,251,0.8);
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 2px 12px rgba(0,0,0,0.06);
  --blur:blur(12px);
  --ease:cubic-bezier(.22,1,.36,1);
  --section-gap:56px;
}

@media(prefers-color-scheme:dark){
  :root{
    --bg:#1a1a1a;
    --bg-alt:#222;
    --surface:rgba(255,255,255,0.08);
    --surface-hover:rgba(255,255,255,0.12);
    --text:#eee;
    --text-sub:#e5e5e5;
    --text-muted:#aaa;
    --border:rgba(255,255,255,0.08);
    --nav-bg:rgba(46,46,46,0.8);
    --shadow:0 2px 12px rgba(0,0,0,0.3);
  }
}
html[style*="color-scheme: dark"]{
  --bg:#1a1a1a;--bg-alt:#222;
  --surface:rgba(255,255,255,0.08);--surface-hover:rgba(255,255,255,0.12);
  --text:#eee;--text-sub:#e5e5e5;--text-muted:#aaa;
  --border:rgba(255,255,255,0.08);--nav-bg:rgba(46,46,46,0.8);
  --shadow:0 2px 12px rgba(0,0,0,0.3);
}
html[style*="color-scheme: light"]{
  --bg:#f7f7f7;--bg-alt:#eee;
  --surface:rgba(255,255,255,0.5);--surface-hover:rgba(255,255,255,0.7);
  --text:#222;--text-sub:#3c3c3c;--text-muted:#666;
  --border:rgba(0,0,0,0.08);--nav-bg:rgba(251,251,251,0.8);
  --shadow:0 2px 12px rgba(0,0,0,0.06);
}

::selection{background:var(--accent);color:#fff}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:Nunito,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--text);
  line-height:1.75;overflow-x:hidden;
}

/* Links */
a{color:var(--accent);text-decoration:none;
  background:linear-gradient(var(--accent),var(--accent)) no-repeat left bottom;
  background-size:0% 2px;padding-bottom:1px;transition:background-size .3s ease;
}
a:hover{background-size:100% 2px}

/* ===== Nav (Misskey Hub style) ===== */
.nav-root{position:sticky;top:0;left:0;right:0;z-index:9999}
.nav-main{--nav-height:65px;position:relative;height:var(--nav-height);color:var(--text)}
@media(max-width:1200px){.nav-main{--nav-height:58px}}
.nav-bg{
  position:absolute;top:0;left:0;right:0;height:var(--nav-height);
  background:var(--nav-bg);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
  pointer-events:none;border-bottom:1px solid var(--border);
  --shapeShift:550px;
  --mask-r:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 100'%3E%3Cpath d='M0,100L0,70L28.834,70C42.386,70 55.384,64.616 64.967,55.033C65.773,54.227 66.579,53.421 67.376,52.624C75.459,44.541 86.422,40 97.853,40L1000,40L1000,100L0,100Z'/%3E%3C/svg%3E");
  --mask-l:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 100'%3E%3Cg transform='matrix(-1,0,0,1,1000,0)'%3E%3Cpath d='M0,100L0,70L28.834,70C42.386,70 55.384,64.616 64.967,55.033C65.773,54.227 66.579,53.421 67.376,52.624C75.459,44.541 86.422,40 97.853,40L1000,40L1000,100L0,100Z'/%3E%3C/g%3E%3C/svg%3E");
  -webkit-mask-image:linear-gradient(#000,#000),var(--mask-r),var(--mask-l);mask-image:linear-gradient(#000,#000),var(--mask-r),var(--mask-l);
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-position:center center,calc(50dvw + var(--shapeShift)) -5px,calc(50dvw - (1000px + var(--shapeShift))) -5px;
  mask-position:center center,calc(50dvw + var(--shapeShift)) -5px,calc(50dvw - (1000px + var(--shapeShift))) -5px;
  -webkit-mask-size:100% 100%,1000px 100px,1000px 100px;mask-size:100% 100%,1000px 100px,1000px 100px;
  -webkit-mask-composite:xor;mask-composite:exclude;
}
@media(max-width:1500px){.nav-bg{-webkit-mask-image:none;mask-image:none}}
.nav-container{position:relative;z-index:1;width:calc(100% - 42px);max-width:1150px;margin:0 auto;height:100%;display:flex;align-items:center;gap:32px}
@media(max-width:1200px){.nav-container{width:100%;padding:0}}
.nav-menu-button{display:none;background:none;border:none;cursor:pointer;color:var(--text);height:var(--nav-height);width:var(--nav-height);place-content:center}
.nav-icon-close{display:none}
.nav-root.nav-open .nav-icon-menu{display:none}
.nav-root.nav-open .nav-icon-close{display:block}
@media(max-width:1200px){.nav-menu-button{display:grid}}
.nav-sp-spacer{display:none}
@media(max-width:1200px){.nav-sp-spacer{display:block;width:var(--nav-height);height:var(--nav-height);flex-shrink:0}}
.nav-brand{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:110%;padding-right:32px;border-right:1px solid var(--border);background:none;color:var(--text)}
.nav-brand img{width:24px;height:24px;border-radius:6px}
.nav-brand b{font-weight:800}
.nav-brand span{background:linear-gradient(135deg,var(--accent),var(--accent-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
@media(max-width:1200px){.nav-brand{margin:0 auto;padding-right:0;border-right:none}}
.nav-items{display:flex;gap:32px;font-size:90%}
.nav-items a{color:var(--text);background:none;padding:0;font-weight:500;transition:opacity .2s}
.nav-items a:hover{opacity:.7;background:none}
@media(max-width:1200px){.nav-items{display:none}}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-right-button{display:grid;place-content:center;width:40px;height:40px;background:rgba(0,0,0,0.05);border:none;border-radius:999px;color:var(--text);cursor:pointer;transition:background .2s;text-decoration:none}
.nav-right-button:hover{background:rgba(0,0,0,0.1)}
@media(prefers-color-scheme:dark){.nav-right-button{background:rgba(255,255,255,0.1)}.nav-right-button:hover{background:rgba(255,255,255,0.18)}}
html[style*="color-scheme: dark"] .nav-right-button{background:rgba(255,255,255,0.1)}
html[style*="color-scheme: dark"] .nav-right-button:hover{background:rgba(255,255,255,0.18)}
html[style*="color-scheme: light"] .nav-right-button{background:rgba(0,0,0,0.05)}
html[style*="color-scheme: light"] .nav-right-button:hover{background:rgba(0,0,0,0.1)}
@media(max-width:1200px){.nav-right{display:none}}
[data-color-mode="system"] .icon-sun,[data-color-mode="system"] .icon-moon{display:none}
[data-color-mode="light"] .icon-moon,[data-color-mode="light"] .icon-system{display:none}
[data-color-mode="dark"] .icon-sun,[data-color-mode="dark"] .icon-system{display:none}
.nav-mobile-drawer{display:none;position:fixed;top:58px;left:0;width:100%;background:var(--nav-bg);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-bottom:1px solid var(--border)}
.nav-root.nav-open .nav-mobile-drawer{display:block}
@media(min-width:1201px){.nav-mobile-drawer{display:none !important}}
.nav-mobile-item{display:flex;align-items:center;gap:8px;padding:12px 16px;color:var(--text);font-size:90%;background:none}
.nav-mobile-item:not(:last-child){border-bottom:1px solid var(--border)}
.nav-mobile-item:hover{background:var(--surface);background-size:auto}

/* ===== Blobs ===== */
.blob{position:fixed;border-radius:50%;pointer-events:none;z-index:-1}
.blob-1{width:800px;height:800px;background:radial-gradient(circle,rgba(134,179,0,0.12),transparent 70%);top:-200px;right:-250px;animation:blobFloat 20s ease-in-out infinite alternate,blobPulse 6s ease-in-out infinite}
.blob-2{width:700px;height:700px;background:radial-gradient(circle,rgba(74,179,0,0.08),transparent 70%);bottom:-100px;left:-250px;animation:blobFloat 25s ease-in-out infinite alternate-reverse,blobPulse 8s ease-in-out infinite 2s}
@keyframes blobFloat{0%{transform:translate(0,0) scale(1)}100%{transform:translate(40px,-30px) scale(1.1)}}
@keyframes blobPulse{0%,100%{opacity:.4}50%{opacity:.7}}

/* ===== Hero ===== */
.hero{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:5rem 1.5rem 2rem;gap:1.5rem}
.hero>*{opacity:0;transform:translateY(16px);animation:fadeUp .7s var(--ease) forwards}
.hero>*:nth-child(1){animation-delay:0s}
.hero>*:nth-child(2){animation-delay:.1s}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.blob,.hero h1 .hero-logo{animation:none}}
.hero h1{display:flex;align-items:center;justify-content:center;gap:.6rem;font-size:clamp(2.5rem,6vw,4rem);font-weight:800;letter-spacing:-0.02em}
.hero h1 .hero-logo{width:1em;height:1em;border-radius:22%;transform-origin:center;will-change:transform,filter;animation:heroHeartbeat 1.4s cubic-bezier(.4,0,.2,1) infinite,heroHeartglow 1.4s cubic-bezier(.4,0,.2,1) infinite}
@keyframes heroHeartbeat{0%,55%,100%{transform:scale(1)}10%{transform:scale(1.18)}22%{transform:scale(1)}32%{transform:scale(1.1)}44%{transform:scale(1)}}
@keyframes heroHeartglow{0%,55%,100%{filter:none}10%,32%{filter:drop-shadow(0 0 14px rgba(134,179,0,0.6))}}
.hero h1 .hero-wordmark span{background:linear-gradient(135deg,var(--accent),var(--accent-dark));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero .tagline{font-size:clamp(1.05rem,2.5vw,1.3rem);color:var(--text-muted);max-width:540px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.65rem 1.5rem;border-radius:var(--radius-pill);font-size:.95rem;font-weight:700;text-decoration:none;font-family:inherit;transition:all .25s var(--ease);background-image:none;background-size:auto}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-dark));background-size:200% 100%;color:#fff;box-shadow:0 2px 12px rgba(134,179,0,0.3)}
.btn-primary:hover{background-position:100% 0;box-shadow:0 6px 24px rgba(134,179,0,0.4);transform:translateY(-3px)}
.btn-secondary{background:var(--surface);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--surface-hover);transform:translateY(-3px);box-shadow:var(--shadow)}

/* ===== Screenshot ===== */
.screenshot{max-width:1000px;width:100%;padding:0 1.5rem;margin:0 auto}
.screenshot-wrapper{padding:1rem;transition:all .25s var(--ease)}
.screenshot-wrapper:hover{transform:scale(1.01)}
.screenshot img{width:100%;border-radius:var(--radius-sm);border:1px solid var(--border);box-shadow:var(--shadow)}

/* ===== Glass ===== */
.glass{background:var(--surface);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-radius:var(--radius);transition:all .25s var(--ease)}
.glass:hover{background:var(--surface-hover);transform:translateY(-3px);box-shadow:var(--shadow)}

/* ===== Section system (MH style alternating bg) ===== */
.section-default{background:var(--bg)}
.section-alt{background:var(--bg-alt)}
.section-inner{max-width:1150px;width:calc(100% - 64px);margin:0 auto;padding:var(--section-gap) 0}
.section-narrow{max-width:900px}
@media(max-width:1200px){.section-inner{width:calc(100% - 32px)}}
.section-title{text-align:center;font-size:1.75rem;font-weight:800;margin-bottom:1rem}
.section-sub{text-align:center;color:var(--text-muted);font-size:.95rem;margin-bottom:1.5rem}

/* ===== Pillars ===== */
.pillars-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media(max-width:800px){.pillars-grid{grid-template-columns:1fr}}
.pillars-subtitle{text-align:center;font-size:1.35rem;font-weight:800;margin-top:3rem;margin-bottom:.5rem}
.pillars-sublead{text-align:center;color:var(--text-muted);font-size:.95rem;margin-bottom:1.5rem}
.pillar{padding:2rem 1.75rem;text-align:center}
.pillar:hover{transform:translateY(-5px)}
.pillar-icon{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,rgba(134,179,0,0.15),rgba(74,179,0,0.1));color:var(--accent);margin-bottom:1rem}
.pillar h3{font-size:1.2rem;font-weight:800;margin-bottom:.5rem}
.pillar .pillar-lead{font-size:1rem;font-weight:700;margin-bottom:.5rem;color:var(--text)}
.pillar p{color:var(--text-muted);font-size:.9rem;line-height:1.7}

/* ===== Guest CTA ===== */
.guest-cta{display:flex;align-items:center;gap:1.5rem;padding:1.5rem 2rem}
.guest-cta-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(134,179,0,0.15),rgba(74,179,0,0.1));color:var(--accent)}
.guest-cta-text{flex:1}
.guest-cta-text h3{font-size:1rem;font-weight:800;margin:0 0 .25rem}
.guest-cta-text p{color:var(--text-muted);font-size:.9rem;line-height:1.6;margin:0}
.guest-cta .btn{flex-shrink:0;white-space:nowrap}
@media(max-width:640px){.guest-cta{flex-direction:column;text-align:center}.guest-cta .btn{align-self:center}}

/* ===== Store CTA (mobile distribution) ===== */
.store-cta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:1.5rem}
@media(max-width:800px){.store-cta-grid{grid-template-columns:1fr}}
.store-cta{padding:2rem 1.75rem;text-align:center;display:flex;flex-direction:column;align-items:center}
.store-cta h4{font-size:1.1rem;font-weight:800;margin-bottom:.5rem}
.store-distribution{margin-top:3rem;padding-top:2.5rem;border-top:1px dashed var(--border)}
.store-distribution-title{font-size:1.4rem;font-weight:800;text-align:center;margin-bottom:.5rem}
.store-distribution-lead{color:var(--text-muted);text-align:center;font-size:.95rem;line-height:1.7;max-width:700px;margin:0 auto}
.store-cta:hover{transform:translateY(-5px)}
.store-cta-icon{display:inline-flex;align-items:center;justify-content:center;width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,rgba(134,179,0,0.15),rgba(74,179,0,0.1));color:var(--accent);margin-bottom:1rem}
.store-cta h3{font-size:1.2rem;font-weight:800;margin-bottom:.5rem}
.store-cta p{color:var(--text-muted);font-size:.9rem;line-height:1.7;margin-bottom:1.25rem;flex:1}

/* ===== Highlight rows (alternating left/right) ===== */
.highlight-row{margin-bottom:2rem}
.highlight-row:last-child{margin-bottom:0}
.highlight-text{max-width:720px;padding:2rem;border-radius:var(--radius)}
.highlight-row:nth-child(odd) .highlight-text{margin-right:auto}
.highlight-row:nth-child(even) .highlight-text{margin-left:auto}
.highlight-badge{display:inline-block;font-size:.75rem;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:.2em .7em;border-radius:var(--radius-pill);margin-bottom:.75rem;letter-spacing:.03em}
.highlight-text h3{font-size:1.3rem;font-weight:800;margin-bottom:.6rem}
.highlight-text p{color:var(--text-muted);font-size:.92rem;line-height:1.8;margin-bottom:.75rem}
.highlight-text p a{font-weight:700}
.highlight-list{list-style:none;padding:0;margin:.75rem 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.5rem}
.highlight-list li{font-size:.85rem;color:var(--text-sub);padding-left:1.3em;position:relative}
.highlight-list li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--accent);opacity:.5}

/* ===== Feature grid (MH style) ===== */
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.feature-card{padding:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.feature-card:hover{transform:translateY(-4px)}
.feature-card-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);margin-bottom:.25rem}
.feature-card h4{font-size:.95rem;font-weight:800}
.feature-card p{color:var(--text-muted);font-size:.85rem;line-height:1.7}
.feature-card p a{font-weight:700}

/* ===== Architecture ===== */
.arch-grid{display:flex;flex-direction:column;align-items:center;gap:0}
.arch-layer{width:100%;padding:1.5rem 1.75rem;text-align:center}
.arch-layer:hover{transform:translateY(-3px)}
.arch-core{border:2px solid var(--accent);background:rgba(134,179,0,0.06)}
.arch-label{font-size:.7rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.3rem}
.arch-title{font-size:1.05rem;font-weight:800;margin-bottom:.4rem}
.arch-desc{color:var(--text-muted);font-size:.85rem;line-height:1.7}
.arch-tags{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-top:.75rem}
.arch-tags span{font-size:.7rem;font-weight:700;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);padding:.15em .6em;border-radius:var(--radius-pill)}
.arch-arrow{display:flex;justify-content:center;padding:.25rem 0}

/* ===== Download ===== */
.version-badge{display:block;width:fit-content;margin:0 auto 1.5rem;font-size:.85rem;color:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-pill);padding:.15em .7em;opacity:0;transition:opacity .3s var(--ease);text-align:center}
.version-badge:not(:empty){opacity:1}
.platforms{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem}
.platform{display:flex;flex-direction:column;align-items:center;padding:1.2rem 1rem;text-decoration:none;color:var(--text)}
.platform svg{width:28px;height:28px;margin-bottom:.5rem;fill:var(--text-muted);transition:fill .2s}
.platform:hover svg{fill:var(--accent)}
.platform .os{font-weight:700;margin-bottom:.15rem}
.platform .format{color:var(--text-muted);font-size:.85rem}
.platform-soon{opacity:.6;transition:opacity .2s var(--ease)}
.platform-soon:hover{opacity:.9}
.platform-soon .format{color:var(--accent);font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}
.install-alt{margin-top:1.25rem;text-align:left;padding:1.25rem}
.install-alt h3{font-size:.95rem;font-weight:700;margin-bottom:.75rem}
.install-cmd{background:var(--bg);border-radius:8px;padding:.5rem .85rem;margin-bottom:.4rem;font-family:"SF Mono",Monaco,Consolas,monospace;font-size:.85rem;position:relative;cursor:pointer;transition:background .2s}
.install-cmd:last-child{margin-bottom:0}
.install-cmd:hover{background:var(--surface-hover)}
.install-cmd .label{color:var(--text-muted);font-size:.75rem;margin-bottom:.1rem}
.install-cmd .copy-hint{position:absolute;right:.85rem;top:50%;transform:translateY(-50%);font-size:.7rem;color:var(--text-muted);opacity:0;transition:opacity .2s;font-family:Nunito,sans-serif}
.install-cmd:hover .copy-hint{opacity:1}
.install-cmd.copied .copy-hint{color:var(--accent)}
.install-cmd code{background:none;font:inherit}
.sh-prompt{color:var(--text-muted);user-select:none}
.sh-cmd{color:#86b300;font-weight:700}
.sh-sub{color:#e5c07b}
.sh-flag{color:#c678dd}
.sh-arg{color:#61afef}

/* ===== Footer ===== */
footer{text-align:center;padding:2.5rem 1.5rem;color:var(--text-muted);font-size:.85rem;opacity:.7}
footer a{color:var(--accent);font-weight:700}
.footer-links{display:flex;gap:1.5rem;justify-content:center;margin-bottom:.75rem;flex-wrap:wrap}

/* ===== Animations (directional, MH style) ===== */
.fade-in{opacity:0;transition:opacity .7s var(--ease),transform .7s var(--ease)}
.fade-in[data-direction="up"]{transform:translateY(24px)}
.fade-in[data-direction="left"]{transform:translateX(40px)}
.fade-in[data-direction="right"]{transform:translateX(-40px)}
.fade-in:not([data-direction]){transform:translateY(24px)}
.fade-in.visible{opacity:1;transform:translate(0,0)}

/* ===== Responsive ===== */
@media(max-width:640px){
  :root{--section-gap:40px}
  .hero{padding-top:4rem}
  .pillars-grid{grid-template-columns:1fr}
  .platforms{grid-template-columns:repeat(2,1fr)}
  .features-grid{grid-template-columns:1fr}
  .highlight-list{grid-template-columns:1fr}
  .highlight-row:nth-child(even) .highlight-text{margin-left:0}
}