/* ============== GoAI landing — all-dark · lime accent · serif display ============== */
:root{
  --bg:#0a0b0d;
  --bg-2:#0e1013;
  --surface:#15181d;
  --surface-2:#1a1e24;
  --ink:#f4f6f7;
  --ink-2:#bcc2ca;
  --muted:#868d97;
  --line:#262a32;
  --line-2:#1e222a;

  --lime:#cbf24d;
  --lime-2:#b6ea44;
  --lime-ink:#0e1407;
  --brand:#b6ea44;            /* lime for links / eyebrow text on dark */

  --good:#46c980;
  --warn:#e8a83a;
  --bad:#ef6b62;

  --grad:linear-gradient(100deg,#cbf24d,#a8e83f);
  --grad-soft:linear-gradient(100deg,rgba(203,242,77,.16),rgba(168,232,63,.10));

  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 18px 50px -22px rgba(0,0,0,.7);
  --shadow-lg:0 50px 110px -40px rgba(0,0,0,.8);

  --r:14px; --r-lg:22px; --r-xl:30px;
  --maxw:1200px;
  --navh:74px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
em{font-family:var(--serif);font-style:italic;font-weight:400}
.grad{color:var(--lime-2)}

/* ============== buttons ============== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:600;font-size:.95rem;letter-spacing:-.01em;
  padding:.74rem 1.3rem;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .25s,color .2s,border-color .2s;
  white-space:nowrap;font-family:inherit;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--solid{background:var(--lime);color:var(--lime-ink);box-shadow:0 8px 24px -10px rgba(166,232,63,.6)}
.btn--solid:hover{background:#d6f566;transform:translateY(-2px);box-shadow:0 14px 32px -10px rgba(166,232,63,.75)}
.btn--ghost{background:rgba(255,255,255,.04);color:var(--ink);border-color:rgba(255,255,255,.16)}
.btn--ghost:hover{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn--lg{padding:.98rem 1.7rem;font-size:1.02rem}
.btn--block{width:100%}

/* ============== nav ============== */
.nav{position:sticky;top:0;z-index:60;transition:background .3s,border-color .3s,box-shadow .3s;
  border-bottom:1px solid transparent;color:#f4f6f7}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(160%) blur(16px);
  border-color:var(--line);box-shadow:0 1px 0 rgba(255,255,255,.03)}
.nav__inner{max-width:var(--maxw);margin:0 auto;padding:1rem 1.5rem;display:flex;align-items:center;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:700;font-size:1.35rem;letter-spacing:-.02em;color:inherit}
.brand__mark{color:var(--lime);font-size:1.2rem;line-height:1}
.brand__name{color:inherit}
.nav__links{display:flex;gap:1.7rem;margin-left:1.6rem}
.nav__links a{color:inherit;opacity:.78;font-weight:500;font-size:.95rem;display:inline-flex;align-items:center;gap:.28rem;transition:opacity .2s}
.nav__links a:hover{opacity:1}
.nav__links a .caret{font-size:.62rem;opacity:.7}
.nav__cta{margin-left:auto;display:flex;align-items:center;gap:1rem}
.nav__login{color:inherit;opacity:.85;font-weight:500;font-size:.95rem;transition:opacity .2s}
.nav__login:hover{opacity:1}
.nav__burger{display:none;margin-left:auto;background:none;border:none;font-size:1.5rem;color:inherit;cursor:pointer}

/* ============== hero ============== */
.hero{position:relative;margin-top:calc(-1 * var(--navh));background:var(--bg);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero__glow{position:absolute;inset:-30% -10% auto -20%;height:760px;
  background:radial-gradient(50% 60% at 25% 16%,rgba(203,242,77,.16),transparent 60%),
             radial-gradient(46% 50% at 80% 6%,rgba(120,200,90,.12),transparent 60%);
  filter:blur(12px);animation:floatGlow 16s ease-in-out infinite alternate}
@keyframes floatGlow{0%{transform:translate3d(0,0,0)}100%{transform:translate3d(0,-22px,0)}}
.hero__grid{position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(75% 65% at 45% 28%,#000,transparent 78%)}
.hero__inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;
  padding:calc(var(--navh) + 2.2rem) 1.5rem 5rem;display:grid;grid-template-columns:1fr 1.12fr;gap:3rem;align-items:center}
.hero__copy{max-width:34rem}
.pill{display:inline-flex;align-items:center;gap:.5rem;padding:.42rem .9rem;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);font-size:.84rem;font-weight:500;color:#cfd4db}
.pill svg{width:15px;height:15px;color:var(--lime)}
.hero__title{font-family:var(--serif);font-weight:400;font-size:clamp(2.9rem,6vw,5rem);line-height:1.02;
  letter-spacing:-.01em;margin:1.4rem 0 1.15rem;color:#fff}
.hero__title em{color:var(--lime-2)}
.hero__sub{font-size:1.18rem;color:#b9bec6;max-width:30rem;margin-bottom:2rem}
.hero__actions{display:flex;gap:.8rem;flex-wrap:wrap}
.hero__secure{margin-top:2.4rem;font-size:.92rem;color:#9aa0a9}
.hero__badges{list-style:none;display:flex;gap:1.6rem;margin-top:.9rem;flex-wrap:wrap}
.hero__badges li{display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;color:#cfd4db;font-weight:500}
.hero__badges svg{width:16px;height:16px;color:#9aa0a9}

/* ============== hero mockup ("shot") — self-contained cream UI ============== */
.shot{position:relative;background:#f6f5ef;color:#1b1d22;border-radius:22px;
  box-shadow:0 50px 110px -40px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.05);
  display:grid;grid-template-columns:56px 1fr;overflow:hidden;font-size:13px;line-height:1.5;min-width:560px}
.shot *{box-sizing:border-box}
.shot__side{background:#efeee6;border-right:1px solid #e4e2d6;display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.1rem 0}
.shot__side .si{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;color:#9a978a}
.shot__side .si svg{width:18px;height:18px}
.shot__side .si.brand{color:#1b1d22}.shot__side .si.brand svg{color:#86b81e}
.shot__side .si.on{background:#fff;color:#1b1d22;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.shot__main{display:flex;flex-direction:column;min-width:0}
.shot__top{display:flex;align-items:center;gap:1.2rem;padding:.9rem 1.1rem;border-bottom:1px solid #e7e5da}
.shot__logo{display:flex;align-items:center;gap:.4rem;font-weight:700;font-size:15px}
.shot__tabs{display:flex;gap:1.1rem;font-size:12.5px;color:#9a978a;font-weight:500}
.shot__tabs .on{color:#1b1d22;position:relative}
.shot__tabs .on::after{content:"";position:absolute;left:0;right:0;bottom:-.95rem;height:2px;background:#1b1d22;border-radius:2px}
.shot__newdoc{margin-left:auto;font-size:12px;font-weight:600;color:#1b1d22;border:1px solid #d8d6c9;border-radius:8px;padding:.35rem .7rem;background:#fff}
.shot__cols{display:grid;grid-template-columns:200px 1fr;gap:0;flex:1;min-height:0}
.shot__analysis{padding:1rem 1.05rem;border-right:1px solid #e7e5da;display:flex;flex-direction:column;gap:.85rem}
.shot__h{font-size:12px;font-weight:700;color:#1b1d22}
.shot__gauge{position:relative;width:122px;height:84px;margin:.3rem auto .2rem;overflow:hidden}
.arc{position:absolute;inset:0}
.arc svg{position:absolute;left:2px;top:2px;width:118px;height:118px;transform:rotate(135deg)}
.arc circle{fill:none;stroke-width:9;stroke-linecap:round}
.arc__track{stroke:#e3e1d4}
.arc__fill{stroke:#b3e23f}
.shot__gnum{position:absolute;left:0;right:0;top:28px;text-align:center}
.shot__gnum b{font-size:25px;font-weight:800;letter-spacing:-.02em}
.shot__gnum span{display:block;font-size:11px;color:#86847a;font-weight:600;margin-top:1px}
.shot__note{font-size:11.5px;color:#7c7a70;text-align:center;line-height:1.4}
.shot__seg{display:flex;gap:4px;margin:.1rem 0 .2rem}
.shot__seg i{height:6px;flex:1;border-radius:3px;background:#e3e1d4}
.shot__seg i.on{background:#b3e23f}
.shot__break{display:flex;flex-direction:column;gap:.55rem}
.shot__brow{display:grid;grid-template-columns:1fr auto;gap:.4rem;font-size:11.5px;color:#5c5a52}
.shot__brow b{font-weight:600;color:#3a392f}
.shot__tip{background:#fff;border:1px solid #ebe9dd;border-radius:10px;padding:.65rem .75rem;margin-top:.1rem}
.shot__tip b{display:block;font-size:11px;font-weight:700;margin-bottom:.2rem}
.shot__tip p{font-size:11px;color:#7c7a70;line-height:1.45}
.shot__editor{padding:1rem 1.05rem;display:flex;flex-direction:column;gap:.8rem;min-width:0}
.shot__doc{background:#fff;border:1px solid #ebe9dd;border-radius:12px;padding:.85rem .95rem}
.shot__dhead{display:flex;align-items:center;font-size:11.5px;color:#9a978a;font-weight:600;margin-bottom:.5rem}
.shot__dhead .w{margin-left:auto;font-weight:500}
.shot__dhead .dots{margin-left:.6rem;letter-spacing:1px}
.shot__text{font-size:12.5px;line-height:1.65;color:#2a2920}
.shot__text mark{padding:.06em .12em;border-radius:3px;color:inherit;background:transparent}
.mk-pred{background:#f6ee9c}.mk-ai{background:#f6cfcf}.mk-pass{background:#cfe0f6}.mk-over{background:#ddd2f6}
.shot__legend{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:.6rem;font-size:10.5px;color:#7c7a70}
.shot__legend span{display:inline-flex;align-items:center;gap:.3rem}
.shot__legend i{width:9px;height:9px;border-radius:3px;display:inline-block}
.shot__actions{display:flex;gap:.5rem;margin-top:.65rem;align-items:center}
.shot__btn{font-size:11.5px;font-weight:600;border-radius:8px;padding:.4rem .8rem;border:1px solid #d8d6c9;background:#fff;color:#1b1d22}
.shot__btn.dark{background:#1b1d22;color:#fff;border-color:#1b1d22}
.shot__copy{margin-left:auto;font-size:11px;color:#7c7a70;display:inline-flex;gap:.3rem;align-items:center}

/* ============== logo strip ============== */
.logos{border-top:1px solid var(--line);padding:2.8rem 1.5rem 3.2rem;background:var(--bg-2)}
.logos__inner{max-width:var(--maxw);margin:0 auto;text-align:center}
.logos__label{font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:1.6rem}
.logos__row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:2.4rem 3rem}
.logos__row span{font-weight:600;font-size:1.2rem;color:#6d727b;letter-spacing:-.01em;transition:color .2s}
.logos__row span:hover{color:#aeb4bd}
.logos__row .serifmark{font-family:var(--serif);font-size:1.45rem;font-weight:400}

/* ============== section heads ============== */
section{padding:5rem 1.5rem;max-width:var(--maxw);margin:0 auto}
.section-head{text-align:center;max-width:44rem;margin:0 auto 3rem}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--lime-2);margin-bottom:.8rem;padding:.32rem .85rem;border-radius:999px;background:var(--grad-soft)}
.section-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(2.2rem,4.2vw,3.4rem);letter-spacing:-.01em;line-height:1.06;color:var(--ink)}
.section-head p{color:var(--muted);font-size:1.06rem;margin-top:1rem}

/* ============== features ============== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.6rem;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s}
.fcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--lime-2) 45%,var(--line))}
.fcard__ico{width:46px;height:46px;display:grid;place-items:center;font-size:1.4rem;border-radius:12px;background:var(--grad-soft);margin-bottom:1rem}
.fcard h3{font-size:1.12rem;letter-spacing:-.02em;margin-bottom:.4rem}
.fcard p{color:var(--muted);font-size:.94rem}

/* ============== how / steps ============== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.7rem;box-shadow:var(--shadow-sm)}
.step__n{font-family:var(--serif);font-size:2.6rem;color:var(--lime-2);line-height:1;margin-bottom:.5rem}
.step h3{font-size:1.15rem;margin-bottom:.4rem;letter-spacing:-.02em}
.step p{color:var(--muted);font-size:.94rem}
.how__upgrade{margin-top:1.5rem;background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:1.6rem 1.8rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.how__upgrade h3{font-size:1.2rem;margin-bottom:.3rem}
.how__upgrade p{color:var(--ink-2);font-size:.94rem;max-width:46rem}
.how__upgrade code{background:var(--surface);padding:.1em .4em;border-radius:6px;font-size:.86em;border:1px solid var(--line)}

/* ============== pricing ============== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;align-items:stretch}
.plan{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:1.9rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.plan--featured{border-color:transparent;box-shadow:var(--shadow);background:
  linear-gradient(var(--surface),var(--surface)) padding-box,var(--grad) border-box;border:1.5px solid transparent;transform:scale(1.03)}
.plan__badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--lime);color:var(--lime-ink);
  font-size:.74rem;font-weight:700;padding:.32rem .9rem;border-radius:999px;letter-spacing:.02em;box-shadow:var(--shadow-sm)}
.plan__name{font-size:1.05rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.plan__price{font-size:2.7rem;font-weight:800;letter-spacing:-.03em;margin:.5rem 0}
.plan__price span{font-size:.95rem;font-weight:500;color:var(--muted)}
.plan__desc{color:var(--ink-2);margin-bottom:1.2rem;font-size:.94rem}
.plan__list{list-style:none;display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.5rem;flex:1}
.plan__list li{font-size:.92rem;color:var(--ink-2)}
.plan__list li::first-letter{color:var(--good);font-weight:800}
.plan__pay{display:flex;flex-direction:column;gap:.55rem}
.btn--paypal{background:#ffc439;color:#003087;border:1px solid #f3b72c}
.btn--paypal:hover{background:#f5bb38;transform:translateY(-2px)}
.btn--paypal .pp{font-weight:800;font-style:italic;letter-spacing:-.02em;font-size:1.06rem;color:#003087}
.btn--paypal .pp span{color:#009cde}

/* ============== faq ============== */
.faq__list{max-width:48rem;margin:0 auto;display:flex;flex-direction:column;gap:.7rem}
.qa{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:.3rem 1.2rem;box-shadow:var(--shadow-sm);transition:border-color .2s}
.qa[open]{border-color:color-mix(in srgb,var(--lime-2) 45%,var(--line))}
.qa summary{cursor:pointer;font-weight:600;font-size:1.02rem;padding:1rem 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-size:1.4rem;color:var(--lime-2);font-weight:400;transition:transform .25s}
.qa[open] summary::after{transform:rotate(45deg)}
.qa p{color:var(--muted);padding:0 0 1.1rem;font-size:.95rem}
.qa code{background:var(--surface-2);padding:.1em .4em;border-radius:6px;font-size:.86em;border:1px solid var(--line)}

/* ============== cta ============== */
.cta{padding-top:1rem}
.cta__card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:4rem 2rem;text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta__card::before{content:"";position:absolute;inset:0;
  background:radial-gradient(40% 90% at 80% 0%,rgba(203,242,77,.16),transparent 60%),radial-gradient(40% 80% at 15% 110%,rgba(168,232,63,.12),transparent 60%);pointer-events:none}
.cta__card h2{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.01em;margin-bottom:.6rem;position:relative}
.cta__card p{color:var(--ink-2);margin-bottom:1.7rem;font-size:1.08rem;position:relative}
.cta__card .hero__actions{justify-content:center;position:relative}

/* ============== footer ============== */
.footer{background:var(--bg-2);border-top:1px solid var(--line);margin-top:4rem}
.footer__inner{max-width:var(--maxw);margin:0 auto;padding:3.4rem 1.5rem 2.2rem;display:grid;grid-template-columns:1.4fr 2fr;gap:2rem}
.footer__brand .brand{font-size:1.4rem;font-weight:700}
.footer__brand .brand__name{color:#fff}
.footer__brand p{color:var(--muted);font-size:.92rem;margin-top:.8rem;max-width:24rem}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.footer__cols h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:.9rem}
.footer__cols a{display:block;color:var(--ink-2);font-size:.92rem;margin-bottom:.55rem;transition:color .2s}
.footer__cols a:hover{color:var(--lime-2)}
.footer__bar{max-width:var(--maxw);margin:0 auto;padding:1.3rem 1.5rem;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;color:var(--muted);font-size:.85rem;flex-wrap:wrap;gap:.5rem}

/* ============== reveal anim ============== */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
[data-reveal].in{opacity:1;transform:none}

/* ============== responsive ============== */
@media (max-width:980px){
  .nav__links,.nav__login{display:none}
  .nav__burger{display:block}
  .nav.open .nav__links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--bg);
    padding:1rem 1.5rem;border-bottom:1px solid var(--line);margin:0;gap:1rem;box-shadow:var(--shadow)}
  .hero__inner{grid-template-columns:1fr;gap:2.4rem}
  .hero__copy{max-width:none}
  .hero__shot{order:2;display:flex;justify-content:center}
  .shot{width:100%;max-width:600px}
  .feature-grid,.steps,.plans{grid-template-columns:1fr}
  .plan--featured{transform:none}
  .footer__inner{grid-template-columns:1fr}
}
@media (max-width:600px){
  section{padding:3.6rem 1.2rem}
  .hero__inner{padding:calc(var(--navh) + 1rem) 1.2rem 3.5rem;text-align:center}
  .hero__copy .pill{margin-inline:auto}
  .hero__sub{margin-left:auto;margin-right:auto}
  .hero__actions,.hero__badges{justify-content:center}
  .hero__badges{gap:1rem 1.4rem}
  .shot{grid-template-columns:1fr;min-width:0}
  .shot__side{display:none}
  .shot__cols{grid-template-columns:1fr}
  .shot__analysis{border-right:none;border-bottom:1px solid #e7e5da}
  .shot__newdoc{display:none}
  .shot__top{padding:.8rem .9rem;gap:.9rem}
  .shot__tabs{gap:.9rem;font-size:12px}
  .shot__logo{font-size:14px}
  .footer__cols{grid-template-columns:1fr 1fr}
  .logos__row{gap:1.6rem 2rem}
  .logos__row span{font-size:1.05rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  [data-reveal]{opacity:1;transform:none}
}