/* AI Trading Journal marketing site. Hand-written, no framework. */
:root{
  --bg:#fafafb; --bg2:#f3f3f6; --surface:#fff; --text:#0e0e14; --muted:#62626f; --line:rgba(14,14,20,.09);
  --accent:#7c3aed; --accent2:#4f46e5; --good:#1fb36f; --bad:#ef4444;
  --shadow:0 24px 60px -24px rgba(30,20,80,.28); --shadow-sm:0 6px 20px -10px rgba(30,20,80,.25);
  --r:20px; --maxw:1140px;
  color-scheme:light;
}
html.dark{
  --bg:#09090d; --bg2:#101017; --surface:#14141c; --text:#f4f4f8; --muted:#9a9aa9; --line:rgba(255,255,255,.09);
  --shadow:0 28px 70px -26px rgba(0,0,0,.8); --shadow-sm:0 8px 24px -12px rgba(0,0,0,.7);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em;margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip-link{position:absolute;left:-999px;top:auto}.skip-link:focus{left:1rem;top:1rem;z-index:200}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}
.gradient-text{background:linear-gradient(100deg,var(--accent),#c026d3,var(--accent2),var(--accent));background-size:240% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 7s linear infinite}
@keyframes shine{to{background-position:240% 0}}
html.dark .gradient-text{background-image:linear-gradient(100deg,#a78bfa,#e879f9,#818cf8,#a78bfa);background-size:240% 100%}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:1rem;padding:.9rem 1.6rem;border-radius:999px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 10px 28px -10px rgba(124,58,237,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -10px rgba(124,58,237,.8)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-sm{font-size:.875rem;padding:.55rem 1.1rem}
.btn .arrow{transition:transform .2s ease}.btn:hover .arrow{transform:translateX(3px)}

/* header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 8px 30px -18px rgba(0,0,0,.35)}
.site-header .bar{height:68px;display:flex;align-items:center;justify-content:space-between;gap:1rem;backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--line);max-width:none;padding:0 max(24px,calc((100vw - var(--maxw))/2 + 24px))}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:700;letter-spacing:-.01em;text-decoration:none}
.nav{display:flex;gap:1.6rem;font-size:.92rem;color:var(--muted)}
.nav a{text-decoration:none;transition:color .2s}.nav a:hover{color:var(--text)}
.head-actions{display:flex;align-items:center;gap:.7rem}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;cursor:pointer;color:var(--text);transition:transform .2s}
.icon-btn:hover{transform:rotate(18deg)}
.icon-btn .moon{display:none}html.dark .icon-btn .moon{display:block}html.dark .icon-btn .sun{display:none}
@media(max-width:860px){.nav{display:none}}
.brand span,.btn-sm{white-space:nowrap}
@media(max-width:520px){.site-header .bar{padding:0 16px;height:60px}.brand span{font-size:.9rem}.brand svg{width:26px;height:26px}.btn-sm{padding:.5rem .8rem;font-size:.8rem}.head-actions{gap:.45rem}.icon-btn{width:34px;height:34px}.hero{padding-top:110px}.sec{padding:72px 0}.price-inner .amt{font-size:3rem}}

/* hero */
.hero{position:relative;padding:130px 0 90px;overflow:hidden;isolation:isolate}
.hero .blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;z-index:-1;animation:drift 20s ease-in-out infinite alternate}
.hero .b1{width:520px;height:520px;background:#7c3aed;left:-120px;top:-60px}
.hero .b2{width:460px;height:460px;background:#4f46e5;right:-100px;top:40px;animation-delay:-6s}
.hero .b3{width:380px;height:380px;background:#c026d3;left:38%;top:340px;opacity:.28;animation-delay:-11s}
html.dark .hero .blob{opacity:.34}
@keyframes drift{to{transform:translate(70px,50px) scale(1.12)}}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 0,transparent 70%);mask-image:radial-gradient(ellipse at 50% 30%,#000 0,transparent 70%);opacity:.7}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.82rem;font-weight:600;padding:.4rem .9rem;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 0 rgba(31,179,111,.6);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(31,179,111,0)}100%{box-shadow:0 0 0 0 rgba(31,179,111,0)}}
.hero h1{font-size:clamp(2.5rem,6.2vw,4.6rem);font-weight:800;max-width:19ch;margin:1.4rem auto 0}
.hero .lead{font-size:clamp(1.05rem,1.8vw,1.28rem);color:var(--muted);max-width:44rem;margin:1.5rem auto 0}
.cta-row{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center;margin-top:2.2rem}
.fine{font-size:.85rem;color:var(--muted);margin-top:1.1rem}
.fine a{text-decoration:underline}
.hero-visual{position:relative;max-width:960px;margin:70px auto 0;perspective:1400px}
.window{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow),0 0 0 1px rgba(124,58,237,.06);transform:rotateX(var(--rx,4deg)) scale(var(--sc,.98));transform-origin:50% 100%;transition:transform .25s ease-out;will-change:transform}
.window-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--bg2);font-size:.78rem;color:var(--muted)}
.window-bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.window-bar i:nth-child(2){background:#febc2e}.window-bar i:nth-child(3){background:#28c840}
.window-bar span{margin-left:8px}
.window img{width:100%;height:auto}
.chip{position:absolute;display:flex;flex-direction:column;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:.7rem 1rem;box-shadow:var(--shadow);animation:floaty 6s ease-in-out infinite}
.chip small{font-size:.72rem;color:var(--muted)}.chip b{font-size:1.15rem}
.chip.c1{left:-34px;top:16%}.chip.c2{right:-30px;top:42%;animation-delay:-2s}.chip.c3{left:6%;bottom:-24px;animation-delay:-4s;flex-direction:row;align-items:center;gap:.6rem}
.chip .up{color:var(--good)}
@keyframes floaty{50%{transform:translateY(-12px)}}
.example-tag{position:absolute;right:14px;top:50px;font-size:.68rem;font-weight:600;background:rgba(0,0,0,.55);color:#fff;padding:.2rem .55rem;border-radius:999px;backdrop-filter:blur(6px)}
@media(max-width:900px){.chip{display:none}.hero{padding-top:120px}}

/* sections */
section{position:relative}
.sec{padding:96px 0}
.sec.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:44rem;margin:0 auto 3.2rem}
.sec-head .kicker{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem;display:block}
.sec-head h2{font-size:clamp(1.9rem,4vw,3rem);font-weight:800}
.sec-head p{color:var(--muted);font-size:1.1rem;margin-top:1rem}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:-10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;text-align:center;box-shadow:var(--shadow-sm)}
.stat .num{font-size:clamp(2rem,4vw,2.9rem);font-weight:800;letter-spacing:-.03em}
.stat .lbl{color:var(--muted);font-size:.92rem;margin-top:.2rem}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}}

/* flow */
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:1rem}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step .badge{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;margin-bottom:1rem}
.step h3{font-size:1.2rem;margin-bottom:.5rem}
.step p{color:var(--muted);font-size:.98rem}
.link{align-self:center;position:relative;width:70px;height:4px;border-radius:4px;background:var(--line);overflow:hidden}
.link::after{content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;border-radius:4px;background:linear-gradient(90deg,transparent,var(--accent),transparent);animation:travel 2.2s ease-in-out infinite}
.link:nth-of-type(2)::after{animation-delay:-1.1s}
@keyframes travel{to{left:110%}}
@media(max-width:900px){.flow{grid-template-columns:1fr}.link{width:4px;height:36px;justify-self:center}.link::after{width:100%;height:40%;left:0;top:-40%;animation-name:travelv}@keyframes travelv{to{top:110%}}}

/* feed demo */
.demo{display:grid;grid-template-columns:1.1fr 1fr;gap:2.4rem;align-items:center}
.demo h3{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:1rem}
.demo p{color:var(--muted);margin-bottom:1rem}
.ticks{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:.7rem}
.ticks li{display:flex;gap:.7rem;align-items:flex-start}
.ticks svg{flex:none;margin-top:3px;color:var(--good)}
.table-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.tc-head{display:flex;justify-content:space-between;align-items:center;padding:.9rem 1.2rem;border-bottom:1px solid var(--line);font-weight:600;font-size:.92rem}
.tc-head .sync{font-size:.75rem;font-weight:600;color:var(--good);display:flex;align-items:center;gap:.4rem}
.tc-row{display:grid;grid-template-columns:1.2fr .8fr .7fr 1fr;gap:.5rem;padding:.75rem 1.2rem;font-size:.86rem;border-bottom:1px solid var(--line)}
html.js .tc-row:not(.h){opacity:0;transform:translateY(10px)}
.tc-row.h{color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em}
.tc-row:last-child{border-bottom:0}
.in .tc-row:not(.h){animation:rowin .6s ease forwards;animation-delay:calc(var(--i)*.28s)}
@keyframes rowin{to{opacity:1;transform:none}}
.buy{color:var(--good);font-weight:600}.sell{color:var(--bad);font-weight:600}
.tc-note{padding:.8rem 1.2rem;font-size:.74rem;color:var(--muted);background:var(--bg2)}
@media(max-width:900px){.demo{grid-template-columns:1fr}}

/* features */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(124,58,237,.35)}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(240px circle at var(--mx,50%) var(--my,0%),rgba(124,58,237,.12),transparent 70%);opacity:0;transition:opacity .3s;pointer-events:none}
.card:hover::before{opacity:1}
.ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(124,58,237,.12);color:var(--accent);margin-bottom:1rem}
.card h3{font-size:1.05rem;margin-bottom:.5rem}
.card p{font-size:.93rem;color:var(--muted)}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}

/* proof tabs */
.tabs{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.6rem}
.tab{font:inherit;font-size:.9rem;font-weight:600;padding:.55rem 1.1rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer;transition:all .2s}
.tab[aria-selected=true]{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent}
.panel{max-width:940px;margin:0 auto 1.5rem}
html.js .panel[hidden]{display:none}
html.js .panel{animation:fadeup .45s ease}
@keyframes fadeup{from{opacity:0;transform:translateY(12px)}}
.panel figure{margin:0}
.panel .window{transform:none}
.panel figcaption{text-align:center;color:var(--muted);font-size:.92rem;margin-top:1rem}

/* video */
.video-wrap{max-width:900px;margin:0 auto;position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#000}
.video-wrap img,.video-wrap video{width:100%;height:auto;aspect-ratio:1280/830;object-fit:cover}
.play{position:absolute;inset:0;display:grid;place-items:center;border:0;background:rgba(0,0,0,.22);cursor:pointer;transition:background .25s}
.play:hover{background:rgba(0,0,0,.34)}
.play span{width:84px;height:84px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 0 0 0 rgba(255,255,255,.55);animation:ping2 2.4s infinite}
.play svg{margin-left:5px;color:var(--accent)}
@keyframes ping2{70%{box-shadow:0 0 0 22px rgba(255,255,255,0)}100%{box-shadow:0 0 0 0 rgba(255,255,255,0)}}

/* setup */
.timeline{max-width:760px;margin:0 auto;display:grid;gap:1rem;counter-reset:s}
.tl{display:flex;gap:1.1rem;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.1rem 1.3rem;counter-increment:s}
.tl::before{content:counter(s);flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2))}
.tl b{display:block;margin-bottom:.15rem}.tl span{color:var(--muted);font-size:.95rem}

/* pricing */
.price-card{max-width:560px;margin:0 auto;border-radius:26px;padding:2px;position:relative;background:conic-gradient(from var(--ang,0deg),var(--accent),#c026d3,var(--accent2),var(--accent));animation:spin 8s linear infinite}
@property --ang{syntax:"<angle>";initial-value:0deg;inherits:false}
@keyframes spin{to{--ang:360deg}}
.price-inner{background:var(--surface);border-radius:24px;padding:2.4rem 2rem;text-align:center}
.price-inner .amt{font-size:3.6rem;font-weight:800;letter-spacing:-.04em;margin:.8rem 0 .2rem}
.price-inner ul{list-style:none;padding:0;margin:1.6rem 0;text-align:left;display:grid;gap:.7rem}
.price-inner li{display:flex;gap:.7rem}
.price-inner li svg{flex:none;color:var(--good);margin-top:3px}
.price-note{font-size:.85rem;color:var(--muted);margin-top:1rem}

/* faq */
.faq{max-width:800px;margin:0 auto;display:grid;gap:.8rem}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;transition:border-color .2s,box-shadow .2s}
.faq details[open]{border-color:rgba(124,58,237,.4);box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.15rem 1.4rem;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:none;transition:transform .3s;color:var(--muted)}
.faq details[open] summary svg{transform:rotate(180deg)}
.faq .a{padding:0 1.4rem 1.3rem;color:var(--muted);animation:fadeup .35s ease}

/* about + final cta */
.about{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:2rem 2.2rem}
.about h2{font-size:1.5rem;margin-bottom:.8rem}.about p{color:var(--muted)}
.final{position:relative;overflow:hidden;border-radius:30px;padding:72px 24px;text-align:center;color:#fff;background:linear-gradient(120deg,#5b21b6,#7c3aed,#4f46e5,#7c3aed);background-size:240% 240%;animation:bgmove 10s ease infinite;isolation:isolate}
.final::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(500px circle at 20% 0%,rgba(255,255,255,.2),transparent 60%),radial-gradient(420px circle at 90% 100%,rgba(255,255,255,.14),transparent 60%)}
@keyframes bgmove{50%{background-position:100% 50%}}
.final h2{font-size:clamp(1.9rem,4vw,3rem);font-weight:800;margin-bottom:1rem}
.final p{opacity:.9;max-width:36rem;margin:0 auto 2rem}
.final .btn-white{background:#fff;color:#4c1d95}
.final .btn-white:hover{transform:translateY(-2px)}

/* footer */
.site-footer{padding:48px 0 56px;border-top:1px solid var(--line);margin-top:96px;font-size:.9rem;color:var(--muted);text-align:center}
.site-footer nav{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:center;margin-bottom:1rem}
.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--text)}

/* article pages */
.article{max-width:760px;margin:0 auto;padding:130px 24px 40px}
.article h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;margin-bottom:1.2rem}
.article .intro{font-size:1.2rem;color:var(--muted);margin-bottom:2rem}
.article h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:800;margin:2.8rem 0 1rem}
.article p,.article li{line-height:1.7}
.article p{margin-bottom:1rem}
.article ul,.article ol{padding-left:1.4rem;display:grid;gap:.6rem;margin:0 0 1.2rem}
.article a:not(.btn){color:var(--accent);text-decoration:underline}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:1.2rem}
.crumbs a{color:var(--muted)!important}
.cta-box{margin-top:3.5rem;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:2.4rem 1.5rem;box-shadow:var(--shadow-sm)}
.cta-box h2{margin:0 0 .6rem}.cta-box p{color:var(--muted)}

/* reveal (only hidden when JS is active; guaranteed visible otherwise) */
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
html.js .reveal.in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  html.js .reveal{opacity:1;transform:none}
  html.js .tc-row:not(.h){opacity:1;transform:none}
}