/* Apple-style landing: big type, air, soft surfaces, pill buttons */
:root{--bg:#fbfbfd;--fg:#1d1d1f;--muted:#6e6e73;--line:rgba(0,0,0,.08);--accent:#0f766e;--card:#f5f5f7;--surface:#fff;--glow:rgba(15,118,110,.16);--good:#1a9a4a;--bad:#d62f2f;--shadow:0 30px 80px -30px rgba(0,0,0,.35)}
@media(prefers-color-scheme:dark){:root{--bg:#000;--fg:#f5f5f7;--muted:#a1a1a6;--line:rgba(255,255,255,.12);--accent:#2dd4bf;--card:#161617;--surface:#1c1c1e;--glow:rgba(45,212,191,.18);--good:#4ade80;--bad:#ff6b6b;--shadow:0 30px 80px -30px rgba(0,0,0,.9)}}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font:17px/1.5 -apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Inter","Helvetica Neue",Arial,sans-serif;letter-spacing:-.011em;background:var(--bg);color:var(--fg)}
a{color:var(--accent)}
.w{max-width:1120px;margin:0 auto;padding:0 24px}

/* nav */
header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 72%,transparent);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
header .w{display:flex;justify-content:space-between;align-items:center;height:52px}
header a{font-weight:600;letter-spacing:-.01em}
header nav{display:flex;gap:6px;align-items:center}
header nav a{margin:0;padding:6px 10px;font-size:.82rem;font-weight:400;color:var(--muted);transition:color .2s}
header nav a:hover{color:var(--fg)}
header nav a.btn{background:var(--fg);color:var(--bg);padding:6px 14px;border-radius:99px;font-weight:500;margin-left:8px}
@media(max-width:820px){header nav a:not(.btn){display:none}}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 24px;border-radius:99px;text-decoration:none;font-weight:500;font-size:1rem;transition:transform .2s,opacity .2s}
@media(prefers-color-scheme:dark){.btn{color:#04201d}}
.btn:hover{opacity:.9;transform:scale(1.02)}
.btn.big{padding:14px 28px;font-size:1.06rem}
.btn.ghost{background:transparent;color:var(--accent);border:0;padding-left:8px;padding-right:8px}
.btn.ghost:after{content:" ›"}
.btn.ghost:hover{transform:none;text-decoration:underline}

/* hero */
.hero{padding:88px 0 40px;text-align:center;position:relative;overflow:hidden;background:radial-gradient(70% 55% at 50% 0%,var(--glow),transparent 70%)}
.hero .w{display:block}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:500;color:var(--accent);background:transparent;border:0;padding:0;margin-bottom:14px}
.hero h1{font-size:clamp(2.6rem,7.5vw,5.4rem);line-height:1.03;font-weight:700;letter-spacing:-.04em;margin:0 auto 20px;max-width:14em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#14b8a6,#0ea5e9 60%,#6366f1);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(1.1rem,2.2vw,1.4rem);line-height:1.4;color:var(--muted);max-width:30em;margin:0 auto}
.cta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 18px;margin:30px 0 14px;align-items:center}
.note{font-size:.88rem;color:var(--muted);margin:0}
.badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin:26px 0 0;padding:0;list-style:none}
.badges li{font-size:.85rem;color:var(--muted)}
.badges li:before{content:"✓ ";color:var(--accent);font-weight:700}
.shot{max-width:900px;margin:56px auto 0;border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#0f1419;transform:perspective(1400px) rotateX(3deg);transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.shot:hover{transform:perspective(1400px) rotateX(0)}
.shot img{display:block;width:100%;height:auto}

/* sections */
section{padding:112px 0}
section.alt{background:var(--card);border:0}
.sh{max-width:720px;margin:0 auto 56px;text-align:center}
.sh h2{font-size:clamp(2rem,5vw,3.4rem);line-height:1.07;font-weight:700;letter-spacing:-.035em;margin:0 0 14px}
.sh p{font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.4;color:var(--muted);margin:0}

/* cards */
.g3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.g2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}
.c{background:var(--card);border:0;border-radius:28px;padding:32px;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s}
section.alt .c{background:var(--surface)}
.c .ic{display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;font-size:1.6rem;border-radius:15px;background:var(--surface);margin-bottom:18px;box-shadow:0 1px 0 var(--line)}
section.alt .c .ic{background:var(--card)}
.c h3{font-size:1.3rem;font-weight:600;letter-spacing:-.02em;margin:0 0 8px}
.c p{margin:0;color:var(--muted);font-size:1rem;line-height:1.45}
@media(hover:hover){.c:hover,.steps li:hover{transform:translateY(-4px);box-shadow:0 24px 50px -28px rgba(0,0,0,.35)}}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;background:var(--card);border-radius:28px;padding:32px;transition:transform .35s,box-shadow .35s}
.steps li:before{content:counter(s);display:block;font-size:3.4rem;font-weight:700;letter-spacing:-.04em;line-height:1;margin-bottom:14px;background:linear-gradient(180deg,var(--accent),transparent 130%);-webkit-background-clip:text;background-clip:text;color:transparent;width:auto;height:auto;border-radius:0}
.steps b{display:block;font-size:1.2rem;font-weight:600;margin-bottom:6px;letter-spacing:-.02em}
.steps span{color:var(--muted);font-size:1rem}
.how .note{text-align:center;margin-top:28px!important;font-size:1rem}

/* ranking */
.formula{font-family:"SF Mono",ui-monospace,Menlo,monospace;background:var(--card);border-radius:16px;padding:18px 20px;font-size:.92rem;overflow-x:auto;white-space:nowrap;border:0}
.bars{margin:22px 0 0;display:grid;gap:14px}
.bar{display:grid;grid-template-columns:110px 1fr 44px;gap:12px;align-items:center;font-size:.92rem;color:var(--muted)}
.bar div{background:var(--card);border-radius:99px;height:8px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#14b8a6,#0ea5e9)}
.bar b{color:var(--fg);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tags span{font-size:.82rem;padding:6px 12px;border-radius:99px;border:0;background:var(--surface);color:var(--muted)}
.tags .no{color:var(--bad)}.tags .ok{color:var(--good)}

/* calculator */
#spread .c{padding:40px}
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:24px}
.calc label{font-size:.85rem;color:var(--muted);display:block;font-weight:500}
.calc input{width:100%;margin-top:6px;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--fg);font:inherit;font-size:1.15rem;font-weight:500;outline:0;transition:box-shadow .2s,border-color .2s}
.calc input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--glow)}
.res{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.res div{background:var(--surface);border:0;border-radius:20px;padding:20px 22px}
.res small{display:block;color:var(--muted);font-size:.85rem;margin-bottom:4px}
.res b{font-size:2rem;font-weight:700;letter-spacing:-.03em}
.pos{color:var(--good)}.neg{color:var(--bad)}

/* table */
.cmpw{overflow-x:auto;border-radius:28px;background:var(--surface)}
.cmp{width:100%;display:table;border-collapse:collapse;border:0;font-size:1rem;min-width:560px}
.cmp th,.cmp td{border:0;border-bottom:1px solid var(--line);padding:18px 24px;text-align:left}
.cmp tr:last-child td{border-bottom:0}
.cmp th{background:transparent;font-weight:600;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}
.cmp td:first-child{font-weight:500}
.cmp td:nth-child(2){color:var(--muted)}
.cmp td:nth-child(3){color:var(--accent);font-weight:600}

/* dont */
.dont{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.dont div{border:0;border-radius:20px;padding:20px 22px;background:var(--card);font-weight:500}
.dont div:before{content:"✕";display:inline-flex;width:24px;height:24px;border-radius:50%;background:color-mix(in srgb,var(--bad) 14%,transparent);color:var(--bad);align-items:center;justify-content:center;font-size:.75rem;margin-right:12px}
.dont-title{text-align:center;font-size:1.5rem;font-weight:600;letter-spacing:-.02em;margin:56px 0 24px}

/* price */
.price{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
@media(max-width:860px){.price{grid-template-columns:1fr}}
.pc{background:var(--card);border:0;border-radius:32px;padding:44px;position:relative;overflow:hidden}
.pc:before{content:"";position:absolute;inset:-40% -20% auto auto;width:360px;height:360px;background:radial-gradient(circle,var(--glow),transparent 70%);pointer-events:none}
.pc .amt{font-size:clamp(3.4rem,8vw,5rem);font-weight:700;line-height:1;letter-spacing:-.045em}
.pc .amt small{font-size:1.05rem;font-weight:500;letter-spacing:0;color:var(--muted)}
.pc ul{padding:0;margin:26px 0 30px;list-style:none}
.pc li{padding:7px 0;color:var(--fg)}
.pc li:before{content:"✓";color:var(--accent);font-weight:700;margin-right:12px}
.price>div:last-child{display:grid;gap:20px}
.price>div:last-child .c{margin:0!important;background:var(--card)}

/* faq */
.faq{max-width:760px}
.faq .sh{margin-bottom:36px}
.faq details{border:0;border-radius:20px;padding:20px 24px;margin:12px 0;background:var(--surface);transition:box-shadow .25s}
.faq details[open]{box-shadow:0 14px 40px -24px rgba(0,0,0,.4)}
.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:1.5rem;font-weight:300;color:var(--muted);transition:transform .25s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin:12px 0 0;line-height:1.5}

/* final + footer */
.final{text-align:center;padding:128px 0;background:radial-gradient(60% 90% at 50% 100%,var(--glow),transparent 70%)}
.final h2{font-size:clamp(2.2rem,6vw,4rem);font-weight:700;letter-spacing:-.04em;line-height:1.05;margin:0 0 14px}
.final p{color:var(--muted);font-size:1.25rem;margin:0 0 32px}
footer{margin:0;border-top:1px solid var(--line);padding:28px 0;background:var(--card)}
footer .w{color:var(--muted);font-size:.8rem;line-height:1.5}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.shot{transform:none}.btn:hover,.c:hover,.steps li:hover{transform:none}}
@media(max-width:600px){section{padding:72px 0}.c,.steps li{padding:24px;border-radius:22px}.pc{padding:28px}.hero{padding-top:56px}}
header .brand{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;color:var(--fg);text-decoration:none;font-size:1rem}
header .brand svg{width:20px;height:20px;color:var(--accent);flex:none}

/* product stage */
.stage{position:relative;max-width:560px;margin:64px auto 0}
.stage:before{content:"";position:absolute;inset:8% -18% -6%;background:radial-gradient(closest-side,var(--glow),transparent);filter:blur(30px);z-index:0}
.win{position:relative;z-index:1;border-radius:22px;overflow:hidden;background:#101418;border:1px solid rgba(255,255,255,.12);box-shadow:0 50px 100px -30px rgba(0,0,0,.6),0 0 0 .5px rgba(0,0,0,.4);text-align:left}
.bar3{display:flex;align-items:center;gap:7px;padding:12px 16px;background:linear-gradient(#232830,#1b1f26);border-bottom:1px solid rgba(255,255,255,.08)}
.bar3 i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.bar3 i:nth-child(2){background:#febc2e}.bar3 i:nth-child(3){background:#28c840}
.bar3 span{margin:0 auto;transform:translateX(-26px);font-size:.75rem;color:#8b95a3;background:rgba(255,255,255,.06);padding:3px 18px;border-radius:7px}
.win-body{position:relative;max-height:520px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 78%,transparent);mask-image:linear-gradient(#000 78%,transparent)}
.win-body img{display:block;width:100%;height:auto}
@media(max-width:760px){.stage{margin-top:44px}}