/* GRE Mastery marketing site */
:root{
  --ink:#0a0d1a; --ink-2:#101528; --ink-3:#171d37; --line:#242c4c; --line-2:#344069;
  --text:#eef0f8; --muted:#a6adc8; --faint:#7b83a6;
  --acc:#ff7a4d; --acc-d:#e8602f; --acc-soft:rgba(255,122,77,.12);
  --sky:#7cc4ff; --sky-soft:rgba(124,196,255,.12); --rose:#ff6b8a;
  --paper:#f7f3ec; --paper-2:#ede7db; --paper-ink:#141a30; --paper-muted:#566079; --paper-line:#ddd5c5;
  --font-d:'Plus Jakarta Sans',system-ui,sans-serif; --font-b:'Inter',system-ui,sans-serif;
  --r-s:8px; --r-m:14px; --r-l:22px;
  --wrap:1200px; --gut:clamp(20px,4vw,40px);
  --sec:clamp(72px,10vw,128px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--text);font-family:var(--font-b);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--acc);color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}

/* type */
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.08;letter-spacing:-.025em;font-weight:800}
h1{font-size:clamp(38px,4.6vw,64px)}
h2{font-size:clamp(32px,4.4vw,54px)}
h3{font-size:clamp(20px,2vw,24px);letter-spacing:-.015em;line-height:1.25}
.em{color:var(--acc)}
.em-gold{color:var(--sky)}
.kicker{font-family:var(--font-d);font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--acc);display:inline-flex;align-items:center;gap:10px}
.kicker::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);max-width:60ch}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;border-radius:999px;font-family:var(--font-d);font-weight:700;font-size:16px;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--acc);color:#2a0d03;box-shadow:0 10px 30px -10px rgba(255,122,77,.55)}
.btn-primary:hover{background:#ff9068;transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc)}
.btn-sm{height:42px;padding:0 18px;font-size:15px}
.link{color:var(--acc);font-weight:600;background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;transition:background-size .25s}
.link:hover{background-size:100% 1.5px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,13,26,.74);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:800;font-size:20px;letter-spacing:-.02em}
.brand svg{width:32px;height:32px}
.brand b{color:var(--acc);font-weight:800}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);align-items:center;justify-content:center}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-burger span::before{top:-6px}.nav-burger span::after{top:6px}
.mnav{display:none}
@media (max-width:980px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-burger{display:inline-flex;margin-left:auto}
  .nav-cta{margin-left:0}
  .mnav{position:fixed;inset:72px 0 auto 0;background:var(--ink);border-bottom:1px solid var(--line);padding:16px var(--gut) 24px;flex-direction:column;gap:4px;z-index:49}
  .mnav.open{display:flex}
  .mnav a{padding:12px 0;border-bottom:1px solid var(--line);font-family:var(--font-d);font-weight:600}
  .mnav .btn{margin-top:14px}
}
@media (max-width:520px){.nav-cta .btn-primary{display:none}}

/* hero */
.hero{position:relative;padding:clamp(40px,5vw,72px) 0 0;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto -10%;height:900px;background:radial-gradient(600px 380px at 78% 30%,rgba(255,122,77,.16),transparent 70%),radial-gradient(520px 300px at 12% 8%,rgba(124,196,255,.08),transparent 70%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{margin:18px 0 22px}
.hero .lead{margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:14px;color:var(--faint);display:flex;gap:18px;flex-wrap:wrap}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note svg{width:15px;height:15px;color:var(--acc)}
.hero-visual{position:relative;min-height:520px}
.frame{background:var(--ink-2);border:1px solid var(--line-2);border-radius:var(--r-m);box-shadow:0 40px 90px -30px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.02) inset;overflow:hidden}
.frame-bar{display:flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-bottom:1px solid var(--line);background:#0c1022}
.frame-bar i{width:9px;height:9px;border-radius:50%;background:#2b3560}
.frame-bar em{margin-left:12px;font-style:normal;font-size:12px;color:var(--faint);font-family:var(--font-b)}
.hero-desk{position:absolute;left:0;top:30px;width:118%}
.phone{position:absolute;width:210px;border-radius:34px;padding:9px;background:#05050d;border:1px solid #2b3560;box-shadow:0 30px 70px -20px rgba(0,0,0,.9)}
.phone img{border-radius:26px}
.hero-phone{width:168px;right:-24px;bottom:-10px}
.hero-phone img{width:100%;aspect-ratio:780/1500;object-fit:cover;object-position:top}
.chip-float{position:absolute;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:14px;background:rgba(17,17,42,.92);border:1px solid var(--line-2);font-size:13px;box-shadow:0 18px 40px -16px rgba(0,0,0,.8);backdrop-filter:blur(8px)}
.chip-float b{font-family:var(--font-d);font-size:18px}
.chip-float .dot{width:10px;height:10px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px var(--acc-soft)}
.chip-1{left:-18px;bottom:70px}
.chip-2{left:30%;top:-8px}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{min-height:0;margin-top:20px}
  .hero-desk{position:relative;width:100%;transform:none}
  .hero-phone{width:130px;right:8px;bottom:-24px}
  .chip-2{display:none}.chip-1{left:8px;bottom:-18px}
}

/* stats strip */
.stats{margin-top:clamp(70px,9vw,120px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.015),transparent)}
.stats-in{display:grid;grid-template-columns:repeat(6,1fr)}
.stat{padding:30px 18px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--font-d);font-size:clamp(28px,3vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--muted);line-height:1.35}
@media (max-width:980px){.stats-in{grid-template-columns:repeat(3,1fr)}.stat:nth-child(4){border-left:0}.stat:nth-child(n+4){border-top:1px solid var(--line)}}
@media (max-width:560px){.stats-in{grid-template-columns:repeat(2,1fr)}.stat{border-left:0!important;border-top:1px solid var(--line)}.stat:nth-child(even){border-left:1px solid var(--line)!important}.stat:nth-child(-n+2){border-top:0}}

/* sections */
.sec{padding:var(--sec) 0;position:relative}
.sec-head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}
.sec-head h2{margin:16px 0 18px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .kicker{justify-content:center}
.sec-head.center .lead{margin:0 auto}

/* journey (sticky) */
.journey{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.steps{list-style:none;position:relative}
.steps::before{content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;background:var(--line)}
.steps .rail{position:absolute;left:23px;top:12px;width:2px;height:0;background:var(--acc);transition:height .4s ease}
.step{position:relative;padding:0 0 0 72px;min-height:56vh;display:flex;flex-direction:column;justify-content:center;opacity:.38;transition:opacity .4s}
.step.on{opacity:1}
.step-n{position:absolute;left:0;top:calc(50% - 24px);width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-family:var(--font-d);font-weight:800;background:var(--ink);border:2px solid var(--line-2);transition:all .3s}
.step.on .step-n{border-color:var(--acc);color:var(--acc);box-shadow:0 0 0 6px var(--acc-soft)}
.step h3{font-size:clamp(24px,2.6vw,32px);margin:8px 0 12px}
.step p{color:var(--muted);max-width:46ch}
.step .tag{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.step-img{display:none}
.step p+p{margin-top:10px}
.step-inset{margin-top:18px;max-width:560px;border-radius:var(--r-m);border:1px solid var(--line-2);overflow:hidden;background:#0b0f1e}
.step-inset img{display:block;width:100%;height:auto}
.promo-note{display:flex;gap:14px;align-items:flex-start;max-width:760px;margin:36px auto 0;padding:18px 22px;border-radius:var(--r-m);background:var(--paper-2);border:1px solid var(--paper-line);color:var(--paper-muted)}
.promo-note svg{flex:0 0 22px;width:22px;height:22px;color:#b8410f;margin-top:2px}
.promo-note b{color:var(--paper-ink)}
.stage{position:sticky;top:110px;height:calc(100vh - 150px);max-height:680px;display:flex;align-items:center}
.stage .frame{position:relative;width:100%}
.stage-imgs{position:relative;aspect-ratio:1600/1210}
.stage-imgs img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center top;background:var(--ink-2);opacity:0;transform:scale(1.02);transition:opacity .5s ease,transform .6s ease}
.stage-imgs img.on{opacity:1;transform:none}
@media (max-width:980px){
  .journey{grid-template-columns:1fr}
  .stage{display:none}
  .step{min-height:0;opacity:1;padding:0 0 48px 64px}
  .step-n{top:0}
  .step-img{display:block;margin-top:20px;border-radius:var(--r-m);border:1px solid var(--line-2);overflow:hidden}
  .steps .rail{display:none}
}

/* feature blocks */
.feat{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(36px,6vw,80px);align-items:center}
.feat.flip{grid-template-columns:1.15fr 1fr}
.feat.flip .feat-copy{order:2}
.feat-copy h2{margin:16px 0 18px}
.ticks{list-style:none;margin-top:26px;display:grid;gap:14px}
.ticks li{display:grid;grid-template-columns:24px 1fr;gap:12px;color:var(--muted)}
.ticks li b{color:var(--text);font-weight:600}
.ticks svg{width:20px;height:20px;color:var(--acc);margin-top:3px}
.stack{position:relative}
.stack .frame + .frame{position:absolute;width:62%;right:-4%;bottom:-12%;box-shadow:0 30px 80px -20px rgba(0,0,0,.9)}
@media (max-width:980px){
  .feat,.feat.flip{grid-template-columns:1fr}
  .feat.flip .feat-copy{order:0}
  .stack .frame + .frame{position:relative;width:100%;right:auto;bottom:auto;margin-top:16px}
}

/* explanations */
.rf{background:radial-gradient(900px 500px at 85% 0%,rgba(124,196,255,.10),transparent 60%),linear-gradient(180deg,#0e0d1f,#0a0d1a);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rf .kicker{color:var(--sky)}
.badge-unique{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:var(--sky-soft);color:var(--sky);border:1px solid rgba(124,196,255,.35);font-size:13px;font-weight:700;font-family:var(--font-d)}
.rf-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:start}
.rf-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.rf-compare div{padding:20px;border-radius:var(--r-m);border:1px solid var(--line-2);background:rgba(255,255,255,.02)}
.rf-compare div:last-child{border-color:rgba(124,196,255,.45);background:var(--sky-soft)}
.rf-compare h4{font-size:15px;margin-bottom:8px;letter-spacing:0}
.rf-compare p{font-size:15px;color:var(--muted)}
.qcard{background:var(--ink-2);border:1px solid var(--line-2);border-radius:var(--r-l);padding:clamp(20px,3vw,32px);box-shadow:0 40px 90px -40px rgba(0,0,0,.9)}
.qmeta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.qmeta span{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--ink-3);color:var(--muted)}
.qmeta span.g{background:var(--sky-soft);color:var(--sky)}
.qtext{font-size:16px;margin-bottom:6px}
.qask{font-size:16px;font-weight:600;margin:14px 0 16px}
.opts{display:grid;gap:10px}
.opt{display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:center;text-align:left;width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line-2);background:transparent;font-size:15px;color:var(--text);transition:border-color .2s,background .2s}
.opt:hover{border-color:#4d5a94}
.opt i{font-style:normal;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--ink-3);font-size:13px;font-weight:700;color:var(--muted)}
.opt.right{border-color:var(--acc);background:var(--acc-soft)}
.opt.right i{background:var(--acc);color:#2a0d03}
.opt.wrong{border-color:var(--rose);background:rgba(255,107,138,.08)}
.opt.wrong i{background:var(--rose);color:#2a0710}
.qexp{margin-top:16px;padding:16px;border-radius:12px;background:var(--sky-soft);border:1px solid rgba(124,196,255,.3);font-size:15px;color:#d3e6f8;display:none}
.qexp.show{display:block;animation:fadeUp .4s ease}
.qexp b{color:var(--sky)}
.approaches{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.approaches span{padding:8px 14px;border-radius:999px;border:1px solid var(--line-2);font-size:14px;color:var(--muted)}
@media (max-width:980px){.rf-grid{grid-template-columns:1fr}}
@media (max-width:560px){.rf-compare{grid-template-columns:1fr}}

/* cards grid */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-l);padding:28px;transition:transform .25s ease,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--acc-soft);color:var(--acc);margin-bottom:18px}
.card .ic svg{width:22px;height:22px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:16px}
@media (max-width:980px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.cards{grid-template-columns:1fr}}

/* sim spec */
.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;margin-top:28px}
.spec div{background:var(--ink-2);padding:22px}
.spec b{display:block;font-family:var(--font-d);font-size:30px;letter-spacing:-.03em}
.spec span{font-size:14px;color:var(--muted)}
.spec small{display:block;margin-top:4px;color:var(--faint);font-size:13px}

/* support band */
.care{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.care .card{padding:24px}
.care .card h3{font-size:19px}
@media (max-width:980px){.care{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.care{grid-template-columns:1fr}}

/* paper sections */
.paper{background:var(--paper);color:var(--paper-ink)}
.paper .lead,.paper .muted{color:var(--paper-muted)}
.paper .kicker{color:#a8380a}
.paper .em{color:#b8410f}

/* pricing */
.toggle{display:inline-flex;padding:5px;border-radius:999px;background:var(--paper-2);border:1px solid var(--paper-line);margin:0 auto 40px}
.toggle button{height:40px;padding:0 20px;border-radius:999px;font-family:var(--font-d);font-weight:700;font-size:14px;color:var(--paper-muted);transition:all .2s}
.toggle button.on{background:var(--paper-ink);color:#fff}
.toggle small{color:#b8410f;font-weight:700;margin-left:6px}
.toggle button.on small{color:var(--acc)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-l);padding:30px;display:flex;flex-direction:column}
.plan.pop{background:var(--ink);color:var(--text);border-color:var(--ink);position:relative;box-shadow:0 30px 60px -30px rgba(11,11,23,.6)}
.plan.pop .muted{color:var(--muted)}
.plan-tag{position:absolute;top:-13px;left:30px;background:var(--acc);color:#2a0d03;font-family:var(--font-d);font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.plan h3{font-size:22px}
.plan .price{margin:18px 0 4px;font-family:var(--font-d);font-weight:800;font-size:48px;letter-spacing:-.04em;line-height:1}
.plan .price small{font-size:16px;font-weight:600;letter-spacing:0;color:var(--paper-muted)}
.plan.pop .price small{color:var(--muted)}
.plan .per{font-size:14px;min-height:22px}
.plan ul{list-style:none;margin:24px 0 28px;display:grid;gap:11px;font-size:15px}
.plan li{display:grid;grid-template-columns:20px 1fr;gap:10px}
.plan li svg{width:18px;height:18px;color:#b8410f;margin-top:3px}
.plan.pop li svg{color:var(--acc)}
.plan .btn{margin-top:auto;width:100%}
.plan .btn-dark{background:var(--paper-ink);color:#fff}
.plan .btn-dark:hover{transform:translateY(-2px)}
.plan-foot{margin-top:28px;text-align:center;font-size:15px;color:var(--paper-muted)}
@media (max-width:980px){.plans{grid-template-columns:1fr;max-width:520px;margin:0 auto}}

/* resources */
.res{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.res-card{border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:var(--ink-2);display:flex;flex-direction:column;transition:transform .25s,border-color .25s}
.res-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.res-cover{aspect-ratio:4/3;padding:26px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.res-cover b{font-family:var(--font-d);font-size:24px;line-height:1.15;letter-spacing:-.02em;max-width:16ch}
.res-cover small{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.8}
.res-cover::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;border:28px solid rgba(255,255,255,.08)}
.c1{background:linear-gradient(140deg,#ff7a4d,#d4481d);color:#2a0d03}
.res-sub{margin:44px 0 18px;font-size:22px}
.res-sub:first-child{margin-top:0}
.res.res-2{grid-template-columns:repeat(2,1fr)}.res.res-2 .res-cover{aspect-ratio:16/7}
.res-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:14px;flex:1}
.res-body p{color:var(--muted);font-size:15px}
.res-body .btn{margin-top:auto}
@media (max-width:980px){.res,.res.res-2{grid-template-columns:1fr;max-width:560px;margin:0 auto}}

/* modal */
.modal{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(5,5,12,.7);backdrop-filter:blur(6px)}
.modal.open{display:flex}
.modal-box{width:100%;max-width:460px;background:var(--ink-2);border:1px solid var(--line-2);border-radius:var(--r-l);padding:30px;position:relative;animation:fadeUp .3s ease}
.modal-x{position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.modal-x:hover{background:var(--ink-3);color:var(--text)}
.modal h3{margin-bottom:8px;padding-right:30px}
.field{display:grid;gap:6px;margin-top:16px}
.field label{font-size:14px;font-weight:600}
.field input{height:48px;border-radius:12px;border:1px solid var(--line-2);background:var(--ink);color:var(--text);padding:0 14px;font:inherit;font-size:16px}
.field input:focus{outline:none;border-color:var(--acc)}
.check{display:grid;grid-template-columns:20px 1fr;gap:10px;margin-top:16px;font-size:14px;color:var(--muted);align-items:start}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--acc)}
.hp{position:absolute;left:-9999px}
.form-msg{margin-top:14px;font-size:14px;min-height:20px}
.form-msg.err{color:var(--rose)}
.form-msg.ok{color:var(--acc)}

/* faq */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px 0;font-family:var(--font-d);font-weight:700;font-size:clamp(17px,1.6vw,20px)}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;width:32px;height:32px;border-radius:50%;border:1px solid var(--line-2);position:relative;transition:transform .3s,border-color .3s}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;background:var(--text);transform:translate(-50%,-50%)}
.faq summary i::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .3s}
.faq details[open] summary i{border-color:var(--acc)}
.faq details[open] summary i::after{transform:translate(-50%,-50%) rotate(0)}
.faq .ans{padding:0 0 24px;color:var(--muted);max-width:70ch}

/* closer */
.closer{text-align:center;padding:clamp(90px,12vw,150px) 0;position:relative;overflow:hidden}
.closer::before{content:"";position:absolute;left:50%;top:50%;width:900px;height:500px;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(255,122,77,.18),transparent);pointer-events:none}
.closer h2{font-size:clamp(38px,6vw,80px);max-width:14ch;margin:18px auto 22px;position:relative}
.closer .lead{margin:0 auto 34px;position:relative}
.closer .hero-ctas{justify-content:center;position:relative}

/* footer */
.foot{border-top:1px solid var(--line);padding:56px 0 40px;font-size:15px;color:var(--muted);background:#070912}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--text);margin-bottom:14px}
.foot ul{list-style:none;display:grid;gap:9px}
.foot a:hover{color:var(--acc)}
.foot-legal{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--faint);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}

/* page hero (subpages) */
.phero{padding:clamp(60px,8vw,110px) 0 clamp(30px,4vw,50px)}
.phero h1{font-size:clamp(38px,5.4vw,64px);margin:16px 0 18px;max-width:18ch}
.prose{max-width:760px;color:var(--muted)}
.prose h2{font-size:26px;color:var(--text);margin:44px 0 12px}
.prose h3{font-size:19px;color:var(--text);margin:28px 0 8px}
.prose p,.prose li{margin-bottom:12px}
.prose ul{padding-left:20px}
.prose a{color:var(--acc)}
.note{padding:16px 18px;border-radius:12px;border:1px solid rgba(124,196,255,.35);background:var(--sky-soft);color:#d3e6f8;font-size:15px}

/* compare table */
.ctable{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-l);overflow:hidden}
.ctable th,.ctable td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--paper-line)}
.ctable thead th{font-family:var(--font-d);font-size:16px;background:var(--paper-2)}
.ctable td:not(:first-child),.ctable th:not(:first-child){text-align:center}
.ctable tbody tr:last-child td{border-bottom:0}
.tscroll{overflow-x:auto;border-radius:var(--r-l)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}
.no-js .rv{opacity:1;transform:none}
html,body{overflow-x:clip}

.nav-links a{white-space:nowrap}
@media (max-width:1180px){.nav-links a[href$="resources"]{display:none}}

.ref-banner{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:16px;max-width:min(760px,calc(100% - 24px));padding:12px 12px 12px 20px;background:var(--ink-2);border:1px solid var(--acc);border-radius:18px;box-shadow:0 18px 50px -12px rgba(0,0,0,.6);font-size:15px;color:var(--text)}
.ref-banner b{color:var(--acc)}
.ref-banner button{background:none;border:0;color:var(--muted,#9aa);font-size:24px;line-height:1;cursor:pointer;padding:0 6px}
@media (max-width:560px){.ref-banner{left:12px;right:12px;transform:none;max-width:none;flex-wrap:wrap;font-size:14px;bottom:12px}.ref-banner .btn{flex:1}}

.form-fine{font-size:12.5px;line-height:1.5;color:var(--muted);margin-top:12px}
.form-fine a{color:inherit;text-decoration:underline}

/* legal tables (privacy policy) */
.ltable{width:100%;border-collapse:collapse;font-size:14.5px;margin:8px 0 18px;min-width:560px}
.ltable th,.ltable td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.ltable th{color:var(--text);font-family:var(--font-d);font-weight:700;background:var(--ink-2)}
.ltable td{color:var(--muted)}
.ltscroll{overflow-x:auto;margin:0 0 6px;border:1px solid var(--line);border-radius:var(--r-m)}
.ltscroll .ltable{margin:0}
.ltscroll .ltable tr:last-child td{border-bottom:0}
.toc{columns:2;column-gap:28px;padding-left:20px}
@media (max-width:640px){.toc{columns:1}}

/* ===== GRE Mastery components ===== */
.brand b{color:var(--acc)}
.hero::before{background:radial-gradient(640px 400px at 80% 28%,rgba(255,122,77,.15),transparent 70%),radial-gradient(520px 320px at 8% 6%,rgba(124,196,255,.09),transparent 70%)}
.hero-visual{min-height:0}
.hero-visual .bp{position:relative}
.bp{background:var(--ink-2);border:1px solid var(--line-2);border-radius:var(--r-l);padding:clamp(20px,2.6vw,30px);box-shadow:0 40px 90px -34px rgba(0,0,0,.85)}
.bp-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.bp-head h2{font-size:19px;letter-spacing:-.01em}
.bp-head span{font-size:13px;color:var(--faint)}
.bp-total{display:flex;align-items:baseline;gap:10px;margin:6px 0 22px}
.bp-total b{font-family:var(--font-d);font-size:clamp(34px,4vw,48px);letter-spacing:-.04em;line-height:1}
.bp-total span{color:var(--muted);font-size:14px}
.bp-row{display:grid;grid-template-columns:128px 1fr;gap:14px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.bp-row h3{font-size:15px;letter-spacing:0}
.bp-row small{display:block;color:var(--faint);font-size:12.5px;margin-top:2px;font-weight:500;font-family:var(--font-b)}
.bp-bars{display:flex;gap:4px}
.bp-bars i{display:flex;align-items:center;justify-content:center;height:34px;border-radius:8px;font-style:normal;font-size:12px;font-weight:700;font-family:var(--font-d);white-space:nowrap;overflow:hidden}
.bp-aw i{background:var(--sky-soft);color:var(--sky);border:1px solid rgba(124,196,255,.4)}
.bp-v i{background:var(--acc-soft);color:var(--acc);border:1px solid rgba(255,122,77,.4)}
.bp-q i{background:var(--acc);color:#2a0d03}
.bp-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:6px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--faint)}
.ruler{margin-top:18px;padding:14px 16px;border-radius:var(--r-m);background:var(--ink);border:1px solid var(--line)}
.ruler-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:10px;gap:10px;flex-wrap:wrap}
.ruler-top b{color:var(--text)}
.ruler-line{height:10px;border-radius:99px;background:repeating-linear-gradient(90deg,var(--line-2) 0 2px,transparent 2px 10px);position:relative}
.ruler-line::before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:linear-gradient(90deg,var(--sky),var(--acc));transform:translateY(-50%);border-radius:2px}
.ruler-ends{display:flex;justify-content:space-between;font-family:var(--font-d);font-weight:800;font-size:14px;margin-top:8px}
@media (max-width:520px){.bp-row{grid-template-columns:1fr;gap:8px}.bp-bars i{font-size:11px}}

.stats-in{grid-template-columns:repeat(6,1fr)}
.stat b{font-size:clamp(24px,2.6vw,34px)}
.stat b.ph{font-size:clamp(20px,2vw,26px);letter-spacing:-.02em}
@media (max-width:1100px) and (min-width:981px){.stat b{font-size:22px}}

/* stage panels */
.stage-imgs{aspect-ratio:auto;min-height:480px;position:relative}
.stage-imgs .pn{position:absolute;inset:0;padding:clamp(18px,2vw,28px);background:var(--ink-2);opacity:0;transform:scale(1.02);transition:opacity .5s ease,transform .6s ease;overflow:hidden}
.stage-imgs .pn.on{opacity:1;transform:none}
.pn h4{font-size:18px;letter-spacing:-.01em;margin-bottom:4px}
.pn .sub{font-size:13px;color:var(--faint);margin-bottom:16px}
.pn .cap{position:absolute;left:28px;bottom:14px;font-size:11.5px;color:var(--faint)}
.row-i{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;font-size:14.5px;background:rgba(255,255,255,.015)}
.row-i span:first-child{font-weight:600}
.tg{font-size:11.5px;font-weight:700;letter-spacing:.04em;padding:3px 10px;border-radius:99px;font-family:var(--font-d);white-space:nowrap}
.tg.hi{background:var(--acc-soft);color:var(--acc)}
.tg.rv2{background:var(--sky-soft);color:var(--sky)}
.tg.ok{background:rgba(255,255,255,.07);color:var(--muted)}
.dots{display:inline-flex;gap:5px}
.dots i{width:12px;height:12px;border-radius:50%;border:1.5px solid var(--line-2)}
.dots i.f{background:var(--acc);border-color:var(--acc)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.chips span{padding:6px 12px;border-radius:99px;border:1px solid var(--line-2);font-size:13px;color:var(--muted)}
.chips span.on{background:var(--acc-soft);border-color:rgba(255,122,77,.5);color:var(--acc)}
.mbar{height:8px;border-radius:99px;background:var(--ink-3);overflow:hidden;flex:1;max-width:46%}
.mbar i{display:block;height:100%;background:linear-gradient(90deg,var(--sky),var(--acc));border-radius:99px}
.mini-q{padding:14px;border:1px solid var(--line-2);border-radius:14px;margin-bottom:12px;font-size:14.5px}
.mini-q b{display:block;margin-bottom:8px;font-family:var(--font-d)}
.mini-q div{padding:7px 10px;border-radius:9px;border:1px solid var(--line);margin-top:6px;font-size:13.5px;color:var(--muted)}
.mini-q div.k{border-color:var(--acc);background:var(--acc-soft);color:var(--text)}

/* formats */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.fcol{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-l);padding:28px;position:relative;overflow:hidden}
.fcol::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--acc)}
.fcol.v::before{background:var(--sky)}
.fcol.w::before{background:linear-gradient(90deg,var(--acc),var(--sky))}
.fcol h3{margin:6px 0 4px}
.fcol .tm{font-size:13px;color:var(--faint);margin-bottom:16px}
.fcol ul{list-style:none;display:grid;gap:10px;color:var(--muted);font-size:15.5px}
.fcol li{display:grid;grid-template-columns:18px 1fr;gap:10px}
.fcol li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--acc);margin-top:9px;transform:rotate(45deg)}
.fcol.v li::before{background:var(--sky)}
.fcol li b{color:var(--text);font-weight:600}
@media (max-width:980px){.fgrid{grid-template-columns:1fr}}

/* QC demo */
.qc-two{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 6px}
.qc-two div{padding:16px;border:1px solid var(--line-2);border-radius:12px;text-align:center;font-size:17px}
.qc-two small{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:6px;font-weight:700}
.qgiven{text-align:center;font-size:16px;margin-bottom:4px;color:var(--muted)}
.qcard .qexp b{color:var(--sky)}
.rf-flip{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:start}
@media (max-width:980px){.rf-flip{grid-template-columns:1fr}}
.rf{background:radial-gradient(900px 500px at 12% 0%,rgba(255,122,77,.09),transparent 60%),linear-gradient(180deg,#0c1021,#0a0d1a)}
.rf .kicker{color:var(--acc)}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tagrow span{padding:8px 14px;border-radius:999px;border:1px solid var(--line-2);font-size:14px;color:var(--muted)}

/* sim section */
.simtable{width:100%;border-collapse:collapse;margin-top:26px;font-size:15px;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;display:table}
.simtable th,.simtable td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.simtable th{background:var(--ink-2);font-family:var(--font-d);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.simtable td{color:var(--muted)}
.simtable td:first-child{color:var(--text);font-weight:600}
.simtable tr:last-child td{border-bottom:0}

.two-up{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.two-up{grid-template-columns:1fr}}
.lvl-note{margin-top:20px}
.res.res-1{grid-template-columns:minmax(0,520px)}
@media (max-width:980px){.res.res-1{max-width:560px;margin:0}}
.sec-note{font-size:13px;color:var(--faint);margin-top:14px}
.paper .promo-note{background:#fff}
.tm-mark{font-size:.7em;vertical-align:super}
.stats-in{grid-template-columns:repeat(6,minmax(0,1fr))}
.stat{min-width:0}
.stat b{overflow-wrap:anywhere;font-size:clamp(22px,2.2vw,30px)}
@media (max-width:980px){.stats-in{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:560px){.stats-in{grid-template-columns:repeat(2,minmax(0,1fr))}.stat b{font-size:20px}}
.feat>*,.rf-flip>*,.journey>*,.two-up>*{min-width:0}
@media (max-width:980px){.feat,.feat.flip,.rf-flip{grid-template-columns:minmax(0,1fr)}}
.row-i>span:first-child{min-width:0}
@media (max-width:520px){.row-i{padding:10px 12px;font-size:13.5px;gap:8px}.mbar{max-width:30%}.tg{font-size:11px;padding:3px 8px}}
h1,h2,h3{overflow-wrap:anywhere}