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

:root{
  --accent:#86b300;
  --accent-dark:#4ab300;
  --bg:#f5f5f5;
  --surface:rgba(255,255,255,0.5);
  --surface-hover:rgba(255,255,255,0.7);
  --text:#222;
  --text-muted:#666;
  --border:rgba(0,0,0,0.08);
  --nav-bg:rgba(251,251,251,0.8);
  --radius:16px;
  --radius-pill:999px;
  --shadow:0 2px 12px rgba(0,0,0,0.06);
  --blur:blur(12px);
  --ease:cubic-bezier(.22,1,.36,1);
}

@media(prefers-color-scheme:dark){
  :root{
    --bg:#1a1a1a;
    --surface:rgba(255,255,255,0.08);
    --surface-hover:rgba(255,255,255,0.12);
    --text:#eee;
    --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);
  }
}

/* Explicit dark mode override via color-scheme */
html[style*="color-scheme: dark"] {
  --bg:#1a1a1a;
  --surface:rgba(255,255,255,0.08);
  --surface-hover:rgba(255,255,255,0.12);
  --text:#eee;
  --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);
}

/* Explicit light mode override */
html[style*="color-scheme: light"] {
  --bg:#f5f5f5;
  --surface:rgba(255,255,255,0.5);
  --surface-hover:rgba(255,255,255,0.7);
  --text:#222;
  --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 color */
::selection{background:var(--accent);color:#fff}

html{scroll-behavior:smooth;scroll-padding-top:75px}
body{
  font-family:Nunito,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  overflow-x:hidden;
}

/* Gradient underline 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 — MissKeyHub 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}
}

/* Hamburger */
.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}
}

/* Spacer for mobile centering */
.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}
}

/* Brand */
.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 (center) */
.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}
}

/* Right buttons */
.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}
}

/* Color mode toggle icon visibility */
[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}

/* Mobile drawer */
.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}

/* Background blobs (fixed, page-wide) */
.blob{position:fixed;border-radius:50%;pointer-events:none;z-index:-1}
.blob-1{
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(134,179,0,0.15),transparent 70%);
  top:-100px;right:-150px;
  animation:blobFloat 20s ease-in-out infinite alternate,blobPulse 6s ease-in-out infinite;
}
.blob-2{
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(74,179,0,0.1),transparent 70%);
  bottom:-50px;left:-150px;
  animation:blobFloat 25s ease-in-out infinite alternate-reverse,blobPulse 8s ease-in-out infinite 2s;
}
.blob-3{
  width:450px;height:450px;
  background:radial-gradient(circle,rgba(134,179,0,0.08),transparent 70%);
  top:50%;left:50%;margin-left:-225px;
  animation:blobFloat 30s ease-in-out infinite alternate,blobPulse 10s ease-in-out infinite 4s;
}
@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:.8}
}

/* Hero — staggered entrance */
.hero{
  min-height:100vh;
  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:heroIn .7s var(--ease) forwards;
}
.hero>*:nth-child(1){animation-delay:0s}
.hero>*:nth-child(2){animation-delay:.1s}
.hero>*:nth-child(3){animation-delay:.2s}
.hero>*:nth-child(4){animation-delay:.3s}
@keyframes heroIn{to{opacity:1;transform:translateY(0)}}

/* Icon heartbeat (same as app splash) */
.hero-icon{width:80px;height:80px;border-radius:20px;animation:heroIn .7s var(--ease) forwards,heartbeat 1.6s ease-in-out .7s infinite}
@keyframes heartbeat{0%{transform:scale(1)}15%{transform:scale(1.25)}30%,100%{transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.hero-icon{animation:heroIn .7s var(--ease) forwards}}

.hero h1{font-size:clamp(2.5rem,6vw,4rem);font-weight:800;letter-spacing:-0.02em}
.hero h1 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:500px}

/* Buttons */
.hero-buttons{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}
.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:12px;
  border:1px solid var(--border);box-shadow:var(--shadow);
}

/* Acrylic 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 title */
.section-title{text-align:center;font-size:1.75rem;font-weight:800;margin-bottom:2.5rem}

/* Features */
.features{max-width:900px;margin:5rem auto;padding:0 1.5rem}
.features-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;
}
.feature{padding:1.5rem}
.feature h3{font-size:1.05rem;margin-bottom:.4rem;font-weight:700}
.feature p{color:var(--text-muted);font-size:.9rem;line-height:1.7}
.feature p a{font-weight:700}

/* Download */
.download{max-width:700px;margin:0 auto 5rem;padding:0 1.5rem;text-align:center}
.download .sub{color:var(--text-muted);margin-bottom:.75rem}
.version-badge{display:inline-block;font-size:.85rem;color:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-pill);padding:.15em .7em;margin-bottom:1.5rem;opacity:0;transition:opacity .3s var(--ease)}
.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}

.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}

/* Fade-in animation */
.fade-in{
  opacity:0;transform:translateY(24px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:640px){
  .hero{padding-top:4rem}
  .features-grid{grid-template-columns:1fr}
  .platforms{grid-template-columns:repeat(2,1fr)}
}