:root{
  --bg:#faf9f6; --ink:#1e1b18; --muted:#6b645c; --line:#e7e2d9;
  --accent:#c2410c; --accent-2:#2563eb; --card:#ffffff;
  --radius:14px; --maxw:1080px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#17150f;--ink:#f2ede3;--muted:#a89f92;--line:#2c2820;--card:#201d16;}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.15;letter-spacing:-.01em}
a{color:var(--accent-2);text-decoration:none}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:rgba(120,120,120,.14);padding:.1em .4em;border-radius:5px}

/* nav */
.nav{position:sticky;top:0;z-index:10;backdrop-filter:blur(8px);background:color-mix(in srgb,var(--bg) 85%,transparent);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.wordmark{font-family:Fraunces,serif;font-weight:600;font-size:1.15rem;color:var(--ink)}
.nav-links{display:flex;gap:1.4rem;align-items:center}
.nav-links a{color:var(--muted);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--ink)}
@media(max-width:640px){.nav-links a:not(:last-child){display:none}}

/* hero */
.hero{padding:4rem 0 3rem;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr;gap:2rem}}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:600;color:var(--accent)}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:.4rem 0 1rem}
.hero h1 em{font-style:italic;color:var(--accent)}
.sub{font-size:1.1rem;color:var(--muted);margin:0 0 1.5rem;max-width:40ch}
.cta-row{display:flex;gap:.75rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.7rem 1.2rem;border-radius:10px;font-weight:600;font-size:.98rem;border:1.5px solid transparent;transition:transform .06s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent)}
.privacy-tag{margin-top:1.2rem;font-size:.9rem;color:var(--muted)}

/* hero visual */
.hero-visual{display:flex;justify-content:center}
.slide-card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 40px -20px rgba(0,0,0,.35);overflow:hidden}
.slide-bar{display:flex;gap:.4rem;padding:.7rem .9rem;border-bottom:1px solid var(--line)}
.slide-bar span{width:11px;height:11px;border-radius:50%;background:var(--line)}
.slide-bar span:first-child{background:#f87171}.slide-bar span:nth-child(2){background:#fbbf24}.slide-bar span:nth-child(3){background:#34d399}
.slide-body{position:relative;padding:1.4rem 1.4rem 1.1rem;min-height:190px;background:linear-gradient(160deg,color-mix(in srgb,var(--accent) 8%,var(--card)),var(--card))}
.slide-body h3{margin:.2rem 0 .8rem;font-size:1.35rem}
.slide-body ul{margin:0;padding-left:1.1rem;color:var(--muted)}
.slide-body li{margin:.3rem 0}
.avatar-bubble{position:absolute;right:1rem;bottom:1rem;width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:1.4rem;box-shadow:0 6px 16px -4px rgba(0,0,0,.4)}
.waveform{display:flex;align-items:center;gap:3px;height:34px;padding:0 1rem;background:var(--card);border-top:1px solid var(--line)}
.waveform i{flex:1;background:var(--accent-2);border-radius:2px;height:20%;animation:wav 1.1s ease-in-out infinite}
.waveform i:nth-child(2n){animation-delay:.15s}.waveform i:nth-child(3n){animation-delay:.3s}.waveform i:nth-child(4n){animation-delay:.45s}
@keyframes wav{0%,100%{height:18%}50%{height:85%}}
@media(prefers-reduced-motion:reduce){.waveform i{animation:none;height:45%}}

/* sections */
.section{padding:3.5rem 0}
.section.alt{background:color-mix(in srgb,var(--accent) 5%,var(--bg))}
.section h2{font-size:clamp(1.6rem,3.5vw,2.3rem);margin:0 0 1.8rem}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem}
.step-n{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:.7rem}
.step h3{margin:.2rem 0 .4rem;font-size:1.2rem}
.step p{margin:0;color:var(--muted);font-size:.96rem}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
@media(max-width:820px){.feature-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.feature-grid{grid-template-columns:1fr}}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.feature h3{margin:0 0 .4rem;font-size:1.12rem}
.feature p{margin:0;color:var(--muted);font-size:.94rem}

/* get */
.get-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
@media(max-width:820px){.get-grid{grid-template-columns:1fr}}
.install-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.install-head{padding:.7rem 1.1rem;border-bottom:1px solid var(--line);font-weight:600;font-size:.9rem;color:var(--muted)}
.install-card pre{margin:0;padding:1.1rem;overflow-x:auto;background:transparent}
.install-card code{background:none;padding:0;font-size:.88rem;line-height:1.7;color:var(--ink)}
.install-card .muted{padding:0 1.1rem 1rem;margin:0}
.muted{color:var(--muted);font-size:.88rem}

/* footer */
.footer{border-top:1px solid var(--line);padding:2rem 0}
.footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:var(--muted);font-size:.9rem}