/* ============================================================
   PremiumProAlgo — Premium dark UI
   ============================================================ */
:root{
  --black:#030407;
  --bg:#05070b;
  --panel:#0a0e15;
  --panel-2:#0d121b;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.13);
  --text:#eef2f8;
  --muted:#949fb1;
  --muted-2:#5a6575;

  --emerald:#0fd18a;
  --emerald-2:#3ee6a8;
  --blue:#4f8dff;
  --blue-2:#7aa7ff;
  --gold:#f3c557;
  --gold-2:#ffdc7a;
  --red:#ff5d7a;

  --grad: linear-gradient(105deg,#0fd18a 0%,#19c0a8 30%,#4f8dff 62%,#f3c557 112%);
  --grad-soft: linear-gradient(135deg, rgba(15,209,138,.16), rgba(79,141,255,.14), rgba(243,197,87,.12));

  --glass: rgba(15,20,29,.58);
  --glass-2: rgba(20,26,37,.72);
  --radius:22px;
  --radius-sm:14px;
  --maxw:1180px;

  --font-display:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;

  --shadow: 0 24px 60px -20px rgba(0,0,0,.7);
  --ease: cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(15,209,138,.06), transparent 60%),
    radial-gradient(90% 60% at 100% 0%, rgba(79,141,255,.07), transparent 55%),
    var(--bg);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.1;letter-spacing:-.02em;font-weight:700}

/* ---------- background fx ---------- */
#bg-grid{position:fixed;inset:0;width:100%;height:100%;z-index:-2;opacity:.5}
.aurora{
  position:fixed;inset:-20% -10% auto -10%;height:70vh;z-index:-1;pointer-events:none;
  background:
    radial-gradient(40% 60% at 18% 20%, rgba(16,185,129,.20), transparent 70%),
    radial-gradient(45% 55% at 80% 10%, rgba(59,130,246,.20), transparent 70%),
    radial-gradient(35% 45% at 60% 50%, rgba(245,197,66,.10), transparent 70%);
  filter:blur(20px);
  animation:auroraFloat 18s var(--ease) infinite alternate;
}
@keyframes auroraFloat{from{transform:translateY(-4%) scale(1)}to{transform:translateY(4%) scale(1.08)}}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}
.section{padding:120px 0;position:relative}
.section--alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.015),transparent)}

.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}

/* ---------- glass ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
}

/* ---------- text helpers ---------- */
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.eyebrow{
  display:inline-block;font-family:var(--font-display);font-weight:600;
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--emerald-2);margin-bottom:18px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--font-display);font-weight:600;font-size:.92rem;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  white-space:nowrap;
}
.btn--lg{padding:15px 30px;font-size:1rem}
.btn--full{width:100%}
.btn--primary{
  background:var(--grad);color:#06140e;
  box-shadow:0 10px 30px -8px rgba(16,185,129,.5);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -8px rgba(16,185,129,.65)}
.btn--ghost{
  background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line-2);
}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--emerald);background:rgba(16,185,129,.08)}

/* ---------- pill / badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(16,185,129,.08);border:1px solid rgba(16,185,129,.25);
  color:var(--text);padding:8px 16px;border-radius:999px;font-size:.85rem;margin-bottom:26px;
}
.pill strong{color:var(--emerald-2)}
.pill__dot{width:8px;height:8px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 0 rgba(16,185,129,.6);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)}70%{box-shadow:0 0 0 10px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}

/* ============ NAV ============ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,10,15,.7);backdrop-filter:blur(16px);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.18rem;letter-spacing:-.02em}
.brand__mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--line-2)}
.brand__text span{color:var(--emerald-2)}
.nav__links{display:flex;gap:30px}
.nav__links a{font-size:.92rem;color:var(--muted);font-weight:500;transition:color .2s;position:relative}
.nav__links a:hover{color:var(--text)}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:width .25s var(--ease)}
.nav__links a:hover::after{width:100%}
.nav__cta{display:flex;gap:10px;align-items:center}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav__mobile{display:none;flex-direction:column;gap:6px;padding:16px 24px 24px;background:rgba(7,10,15,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav__mobile a{padding:12px 0;color:var(--muted);border-bottom:1px solid var(--line);font-weight:500}
.nav__mobile a.btn{border:0;color:#06140e;margin-top:10px;justify-content:center}
.nav__mobile.open{display:flex}

/* ============ HERO ============ */
.hero{padding:130px 0 60px;position:relative}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero__title{font-size:clamp(2.3rem,5vw,3.7rem);font-weight:800;margin-bottom:22px}
.hero__sub{font-size:1.1rem;color:var(--muted);max-width:560px;margin-bottom:32px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero__trust{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.9rem}
.stars{color:var(--gold);letter-spacing:2px;font-size:1rem}

/* terminal */
.terminal{padding:0;overflow:hidden}
.terminal__top{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.terminal__dots{display:flex;gap:6px}
.terminal__dots i{width:11px;height:11px;border-radius:50%;background:#2a323d}
.terminal__dots i:nth-child(1){background:#f0506e}
.terminal__dots i:nth-child(2){background:var(--gold)}
.terminal__dots i:nth-child(3){background:var(--emerald)}
.terminal__sym{font-size:.8rem;color:var(--muted);font-family:var(--font-display);font-weight:500}
.badge{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:700;letter-spacing:.08em;padding:4px 10px;border-radius:999px}
.badge--live{color:var(--emerald-2);background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3)}
.badge__dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);animation:ping 1.6s infinite}
#hero-chart{width:100%;height:280px;display:block}
.terminal__readout{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.readout{padding:16px 18px;border-right:1px solid var(--line)}
.readout:last-child{border-right:0}
.readout__label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);margin-bottom:6px}
.readout__val{font-family:var(--font-display);font-weight:700;font-size:1.15rem}
.up{color:var(--emerald-2)}.down{color:var(--red)}.gold{color:var(--gold-2)}

/* marquee */
.marquee{margin-top:60px;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;gap:34px;white-space:nowrap;animation:scroll 26s linear infinite;font-family:var(--font-display);font-weight:700;letter-spacing:.18em;color:var(--muted-2);font-size:.95rem}
.marquee__track span{color:var(--muted-2)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============ STATS ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:-10px}
.stat{padding:30px 26px;text-align:center}
.stat__num{display:block;font-family:var(--font-display);font-weight:800;font-size:2.5rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__label{color:var(--muted);font-size:.92rem}

/* ============ SECTION HEAD ============ */
.section__head{text-align:center;max-width:720px;margin:0 auto 60px}
.section__title{font-size:clamp(1.9rem,3.6vw,2.8rem);margin-bottom:18px}
.section__lead{color:var(--muted);font-size:1.08rem}

/* ============ CARDS ============ */
.card{padding:30px 28px;transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.card:hover{transform:translateY(-6px);border-color:rgba(16,185,129,.35);box-shadow:0 30px 60px -24px rgba(16,185,129,.3)}
.card__icon{font-size:1.9rem;width:58px;height:58px;display:grid;place-items:center;border-radius:14px;background:var(--grad-soft);border:1px solid var(--line-2);margin-bottom:20px}
.card h3{font-size:1.22rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}

/* ============ PRODUCTS ============ */
.product{padding:32px 30px;transition:transform .35s var(--ease),border-color .35s}
.product:hover{transform:translateY(-5px);border-color:var(--line-2)}
.product__top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.product__top h3{font-size:1.4rem}
.product p{color:var(--muted);margin-bottom:18px}
.tag{font-size:.72rem;font-weight:700;letter-spacing:.05em;padding:5px 12px;border-radius:999px;font-family:var(--font-display);white-space:nowrap}
.tag--green{color:var(--emerald-2);background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3)}
.tag--blue{color:var(--blue-2);background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.3)}
.tag--gold{color:var(--gold-2);background:rgba(245,197,66,.12);border:1px solid rgba(245,197,66,.3)}
.ticks{list-style:none;display:grid;gap:10px}
.ticks li{position:relative;padding-left:28px;color:var(--text);font-size:.95rem}
.ticks li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 3px rgba(16,185,129,.12)}
.ticks li::after{content:"";position:absolute;left:5px;top:10px;width:5px;height:8px;border-right:2px solid #06140e;border-bottom:2px solid #06140e;transform:rotate(40deg)}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{padding:30px 26px;transition:transform .35s var(--ease)}
.step:hover{transform:translateY(-5px)}
.step__n{font-family:var(--font-display);font-weight:800;font-size:2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:block;margin-bottom:12px}
.step h3{font-size:1.2rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem}

/* ============ PERFORMANCE ============ */
.perf{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;padding:30px}
.perf__chart canvas{width:100%;height:320px;display:block}
.perf__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:center}
.perf__stat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px}
.perf__label{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);margin-bottom:8px}
.perf__val{font-family:var(--font-display);font-weight:800;font-size:1.7rem}

/* ============ QUOTES ============ */
.quote{padding:28px 26px;transition:transform .35s var(--ease)}
.quote:hover{transform:translateY(-5px)}
.quote blockquote{color:var(--text);font-size:1rem;margin:14px 0 18px;line-height:1.6}
.quote figcaption{color:var(--muted);font-size:.9rem}
.quote figcaption strong{color:var(--text)}

/* ============ PRICING ============ */
.plan{padding:34px 30px;position:relative;display:flex;flex-direction:column;transition:transform .35s var(--ease),border-color .35s}
.plan:hover{transform:translateY(-6px)}
.plan--featured{border-color:rgba(16,185,129,.4);box-shadow:0 30px 70px -28px rgba(16,185,129,.4)}
.plan--featured::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.6}
.plan__badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#06140e;font-family:var(--font-display);font-weight:700;font-size:.74rem;padding:6px 16px;border-radius:999px;letter-spacing:.03em}
.plan__name{font-size:1.3rem;margin-bottom:10px}
.plan__price{font-family:var(--font-display);font-weight:800;font-size:3rem;line-height:1;margin-bottom:6px}
.plan__price span{font-size:1.4rem;vertical-align:top;color:var(--muted)}
.plan__price small{font-size:1rem;color:var(--muted);font-weight:500}
.plan__desc{color:var(--muted);font-size:.92rem;margin-bottom:22px}
.plan .ticks{margin-bottom:26px;flex:1}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px}
.faq details{padding:0 24px;overflow:hidden;transition:border-color .3s}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-family:var(--font-display);font-weight:600;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--emerald-2);transition:transform .3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open]{border-color:rgba(16,185,129,.3)}
.faq p{color:var(--muted);padding:0 0 22px;font-size:.97rem}

/* ============ CTA ============ */
.cta{text-align:center;padding:64px 30px;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.6}
.cta>*{position:relative}
.cta h2{font-size:clamp(1.9rem,4vw,2.8rem);margin-bottom:16px}
.cta p{color:var(--muted);font-size:1.1rem;margin-bottom:28px}

/* ============ FOOTER ============ */
.footer{border-top:1px solid var(--line);padding:64px 0 30px;background:rgba(5,7,10,.6)}
.footer__grid{display:grid;grid-template-columns:2.4fr 1fr 1fr;gap:40px;margin-bottom:44px}
.footer__brand p{color:var(--muted);font-size:.92rem;margin-top:16px;max-width:300px}
.footer__col h4{font-size:.95rem;margin-bottom:16px;color:var(--text)}
.footer__col a{display:block;color:var(--muted);font-size:.9rem;padding:6px 0;transition:color .2s}
.footer__col a:hover{color:var(--emerald-2)}
.footer__bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line);color:var(--muted-2);font-size:.82rem}
.footer__risk{max-width:520px;text-align:right}

/* ============ REVEAL ANIMATION ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ "SOON" CHIP ============ */
.soon-chip{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-display);font-weight:600;font-size:.82rem;letter-spacing:.01em;
  color:var(--text);
  background:linear-gradient(135deg,rgba(15,209,138,.10),rgba(79,141,255,.08));
  border:1px solid var(--line-2);
  padding:9px 16px;border-radius:999px;white-space:nowrap;
}
.soon-chip__dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold);animation:ping 2.4s infinite}
.soon-chip--block{justify-content:center;margin-top:8px}
.soon-chip--lg{font-size:.92rem;padding:12px 22px}

/* ============ LOCKED MEMBERSHIP ============ */
.locked{position:relative;border-radius:var(--radius);overflow:hidden}
.locked__content{filter:blur(7px) saturate(.7) brightness(.6);opacity:.5;pointer-events:none;user-select:none;transform:scale(.99)}
.locked__overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:14px;padding:40px 24px;
  background:radial-gradient(60% 70% at 50% 40%, rgba(8,12,18,.55), rgba(5,7,11,.82));
  backdrop-filter:blur(2px);
}
.locked__lock{
  width:74px;height:74px;display:grid;place-items:center;border-radius:20px;
  background:var(--grad-soft);border:1px solid var(--line-2);
  box-shadow:0 18px 50px -16px rgba(15,209,138,.45);
  animation:floaty 4s var(--ease) infinite alternate;
}
@keyframes floaty{from{transform:translateY(-4px)}to{transform:translateY(4px)}}
.locked__title{font-size:1.7rem}
.locked__text{color:var(--muted);max-width:420px;font-size:1rem}
.btn--locked{cursor:not-allowed;opacity:.85}

/* ============ PREMIUM CARD ACCENT ============ */
.card,.product,.plan,.step,.quote{position:relative;overflow:hidden}
.card::after,.product::after,.step::after,.quote::after{
  content:"";position:absolute;top:0;left:24px;right:24px;height:1px;
  background:var(--grad);opacity:0;transition:opacity .4s var(--ease);
}
.card:hover::after,.product:hover::after,.step:hover::after,.quote:hover::after{opacity:.7}

/* ============ RESPONSIVE ============ */
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__visual{order:-1}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .perf{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
}
@media(max-width:640px){
  .section{padding:84px 0}
  .grid--2,.grid--3,.pricing{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:14px}
  .terminal__readout{grid-template-columns:1fr 1fr}
  .readout:nth-child(3){grid-column:1/-1;border-right:0;border-top:1px solid var(--line)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .footer__brand{grid-column:1/-1}
  .footer__bottom{flex-direction:column}
  .footer__risk{text-align:left}
  .container{padding:0 18px}
  .hero__actions .btn{flex:1}
  .locked__content{filter:blur(6px) brightness(.55)}
  .locked__title{font-size:1.4rem}
  .locked__overlay{padding:30px 18px}
  .plan__price{font-size:2.6rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}