@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 400 500;
  font-display: swap;
  src: url(/fonts/fraunces-italic-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 400 500;
  font-display: swap;
  src: url(/fonts/fraunces-italic-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/fonts/fraunces-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/fonts/fraunces-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url(/fonts/manrope-normal-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url(/fonts/manrope-normal-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
:root{
  --night:#0A1230; --night-2:#111C45; --ink:#0F1838; --ink-2:#3A4467; --muted:#6C7493;
  --cream:#FBF7EF; --paper:#F3EEE3; --card:#FFFFFF; --line:#E6E0D2; --line-dark:rgba(255,255,255,.12);
  --gold:#F6B93B; --gold-2:#FFD27A; --gold-soft:#FFF1D2; --gold-ink:#6B4700;
  --blue:#3D63FF; --blue-soft:#E6ECFF; --coral:#FF6B4A; --coral-soft:#FFE6DE; --mint:#13A577; --mint-soft:#DDF5EB; --lilac:#7C5CFF; --lilac-soft:#ECE6FF;
  --serif:"Fraunces",Georgia,serif; --sans:"Manrope",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --r:24px; --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
svg{display:block}
a{color:inherit}
sup{font-size:.6em;line-height:0;vertical-align:.5em}
.wrap{width:min(1220px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;border-radius:8px;z-index:999}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:1.05;font-optical-sizing:auto}
h2{font-size:clamp(2.2rem,4.6vw,3.7rem)}
h3{font-size:1.45rem;line-height:1.15}
em.g{font-style:italic;color:var(--gold)}
em.b{font-style:italic;color:var(--blue)}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}
.kicker svg{width:14px;height:14px;color:var(--gold)}
.dark .kicker{color:var(--gold-2)}
.lead{font-size:1.18rem;color:var(--ink-2);max-width:58ch}
section{padding:120px 0;position:relative}
.head{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:end;margin-bottom:56px}
.head h2{margin-top:16px}
.head .lead{justify-self:end}
@media (max-width:900px){.head{grid-template-columns:1fr}.head .lead{justify-self:start}section{padding:88px 0}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 26px;border-radius:999px;font-weight:700;font-size:1rem;text-decoration:none;border:0;cursor:pointer;transition:transform .25s var(--ease),background .2s,box-shadow .25s,color .2s;white-space:nowrap}
.btn svg{width:18px;height:18px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-gold{background:var(--gold);color:#241800;box-shadow:0 10px 30px rgba(246,185,59,.35)}
.btn-gold:hover{background:var(--gold-2);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 10px 26px rgba(61,99,255,.3)}
.btn-blue:hover{transform:translateY(-2px);background:#2E50E6}
.btn-line{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.dark .btn-line,.btn-line.on-dark{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.dark .btn-line:hover,.btn-line.on-dark:hover{box-shadow:inset 0 0 0 1.5px #fff}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:80;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.nav.solid{background:rgba(251,247,239,.86);backdrop-filter:saturate(1.5) blur(14px);-webkit-backdrop-filter:saturate(1.5) blur(14px);box-shadow:0 1px 0 var(--line)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff;transition:color .3s}
.nav.solid .brand,.page .brand{color:var(--ink)}
.brand svg{width:38px;height:38px;flex:none}
.brand b{display:block;font-family:var(--serif);font-weight:600;font-size:1.22rem;letter-spacing:-.01em;line-height:1.1}
.brand small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;opacity:.6}
.links{display:flex;gap:30px;list-style:none}
.links a{text-decoration:none;font-size:.95rem;font-weight:600;color:rgba(255,255,255,.82);transition:color .2s}
.links a:hover{color:var(--gold-2)}
.nav.solid .links a,.page .links a{color:var(--ink-2)}
.nav.solid .links a:hover,.page .links a:hover{color:var(--blue)}
.nav-r{display:flex;gap:10px;align-items:center}
.lang{font-size:.82rem;font-weight:800;text-decoration:none;color:#fff;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3);transition:all .2s}
.nav.solid .lang,.page .lang{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.nav .btn{padding:12px 20px;font-size:.92rem}
.page .nav{background:rgba(251,247,239,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
@media (max-width:1040px){.links{display:none}}
@media (max-width:560px){.nav .btn{display:none}}

/* hero */
.hero{background:var(--night);color:#fff;padding:150px 0 120px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 50% at 78% 30%,rgba(61,99,255,.35),transparent 70%),radial-gradient(40% 40% at 10% 90%,rgba(246,185,59,.16),transparent 70%),radial-gradient(50% 60% at 50% 120%,rgba(124,92,255,.25),transparent 70%)}
#sky{position:absolute;inset:0;z-index:-1;width:100%;height:100%}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border-radius:999px;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px var(--line-dark);font-size:.88rem;font-weight:600;color:rgba(255,255,255,.88)}
.pill i{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--gold);color:#241800;font-style:normal}
.pill i svg{width:14px;height:14px}
.hero h1{font-size:clamp(3rem,6.6vw,5.6rem);margin:26px 0 24px;color:#FFF9EC;font-weight:400}
.hero h1 em{font-weight:500}
.hero .lead{color:rgba(255,255,255,.74);font-size:1.2rem}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.trust{display:flex;flex-wrap:wrap;gap:34px;margin-top:52px;padding-top:30px;border-top:1px solid var(--line-dark)}
.trust div b{display:block;font-family:var(--serif);font-size:2rem;font-weight:500;color:#fff;line-height:1}
.trust div span{font-size:.88rem;color:rgba(255,255,255,.6)}
.stack{position:relative;height:620px}
.ph{position:absolute;overflow:hidden;border-radius:30px;box-shadow:0 40px 80px rgba(0,0,0,.45)}
.ph img{width:100%;height:100%;object-fit:cover}
.ph.main{right:0;top:0;width:82%;height:520px}
.ph.sub{left:0;bottom:0;width:46%;height:250px;border:6px solid var(--night)}
.glass{position:absolute;background:rgba(255,255,255,.92);color:var(--ink);border-radius:18px;padding:14px 18px;box-shadow:0 20px 50px rgba(0,0,0,.3);display:flex;align-items:center;gap:12px;font-size:.88rem;line-height:1.35;backdrop-filter:blur(10px)}
.glass b{display:block;font-size:.98rem}
.glass .ic{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:1.2rem;flex:none}
.g1{left:2%;top:84px;z-index:2;animation:bob 6s ease-in-out infinite}.g1 .ic{background:var(--gold-soft);color:var(--gold-ink)}
.g2{right:-14px;bottom:70px;z-index:2;animation:bob 7s ease-in-out -2s infinite}.g2 .ic{background:var(--mint-soft);color:var(--mint)}
.sticker{position:absolute;right:-34px;top:-38px;width:104px;height:104px;z-index:3;animation:spin 24s linear infinite;filter:drop-shadow(0 10px 20px rgba(0,0,0,.35))}
@keyframes bob{50%{transform:translateY(-10px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:980px){.hero .grid{grid-template-columns:1fr}.stack{height:520px;max-width:560px;width:100%;margin:10px auto 0}.ph.main{height:430px}.ph.sub{height:200px}.hero{padding:130px 0 90px}}
@media (max-width:560px){.stack{height:430px}.ph.main{height:340px;width:88%}.ph.sub{width:52%;height:170px}.g2{right:0;bottom:40px}.g1{left:0;top:24px}.sticker{width:76px;height:76px;right:-6px;top:-28px}.trust{gap:22px}}

/* marquee */
.marquee{background:var(--gold);color:#241800;overflow:hidden;padding:18px 0;border-block:1px solid rgba(0,0,0,.08)}
.track{display:flex;gap:44px;width:max-content;animation:scroll 48s linear infinite}
.track span{display:flex;align-items:center;gap:44px;font-family:var(--serif);font-size:1.5rem;font-style:italic;white-space:nowrap}
.track span::after{content:"✦";font-style:normal;font-size:1rem;opacity:.6}
@keyframes scroll{to{transform:translateX(-50%)}}

/* bento subjects */
.bento{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-auto-rows:minmax(280px,auto);gap:20px}
.tile{position:relative;border-radius:var(--r);padding:30px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s}
.tile:hover{transform:translateY(-5px);box-shadow:inset 0 0 0 1px var(--line),0 30px 60px rgba(15,24,56,.1)}
.tile .ic{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;font-family:var(--serif);font-size:1.5rem;font-weight:600;margin-bottom:22px}
.tile h3{font-size:1.75rem;margin-bottom:10px}
.tile p{color:var(--ink-2);font-size:.98rem}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:22px}
.tags span{font-size:.8rem;font-weight:700;padding:7px 12px;border-radius:999px;background:var(--paper)}
.t-math{grid-row:span 2;padding:0;background:var(--night);color:#fff;box-shadow:none}
.t-math .img{height:52%;min-height:240px;position:relative}
.t-math .img img{width:100%;height:100%;object-fit:cover}
.t-math .img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,var(--night))}
.t-math .body{padding:4px 32px 32px;display:flex;flex-direction:column;flex:1}
.t-math h3{color:#fff;font-size:2.2rem}
.t-math p{color:rgba(255,255,255,.72)}
.t-math .ic{background:var(--gold);color:#241800;margin-top:-28px;position:relative}
.t-math .tags span{background:rgba(255,255,255,.09);color:#fff}
.t-fr .ic{background:var(--coral-soft);color:var(--coral)}
.t-en .ic{background:var(--mint-soft);color:var(--mint)}
.t-ai{grid-column:span 2;background:linear-gradient(135deg,#1A1145,#2B1C7A 55%,#3D63FF);color:#fff;box-shadow:none;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.t-ai .ic{background:rgba(255,255,255,.14);color:#fff}
.t-ai h3{color:#fff}.t-ai p{color:rgba(255,255,255,.75)}
.t-ai .tags span{background:rgba(255,255,255,.12);color:#fff}
.code{background:rgba(5,8,25,.55);border-radius:18px;padding:22px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem;line-height:1.8;color:#C9D3FF;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.code .k{color:#FFB86B}.code .s{color:#8BF0C5}.code .c{color:#7D86B8}
.code .dots{display:flex;gap:6px;margin-bottom:12px}.code .dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25)}
@media (max-width:1000px){.bento{grid-template-columns:1fr 1fr}.t-math{grid-row:auto;grid-column:span 2}.t-math .img{height:280px}.t-ai{grid-column:span 2}}
@media (max-width:640px){.bento{grid-template-columns:1fr}.t-math,.t-ai{grid-column:auto}.t-ai{grid-template-columns:1fr}}

/* levels */
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.lvl.c .grades span{background:var(--lilac-soft);color:var(--lilac)}
.lvl .body{padding:28px}.lvl h3{font-size:1.65rem}
.lvl{border-radius:30px;overflow:hidden;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);display:flex;flex-direction:column}
.lvl .img{position:relative;aspect-ratio:16/10;overflow:hidden}
.lvl .img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.lvl:hover .img img{transform:scale(1.04)}
.lvl .badge{position:absolute;left:20px;top:20px;padding:8px 14px;border-radius:999px;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;background:rgba(255,255,255,.94)}
.lvl .body{padding:32px}
.lvl h3{font-size:2rem;margin-bottom:10px}
.lvl .body>p{color:var(--ink-2);margin-bottom:20px}
.grades{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.grades span{font-weight:800;font-size:.85rem;width:auto;min-width:46px;text-align:center;padding:8px 10px;border-radius:12px;background:var(--paper)}
.lvl.p .grades span{background:var(--gold-soft);color:var(--gold-ink)}
.lvl.s .grades span{background:var(--blue-soft);color:var(--blue)}
.checks{list-style:none;display:grid;gap:11px}
.checks li{display:flex;gap:12px;color:var(--ink-2)}
.checks svg{flex:none;width:22px;height:22px;margin-top:2px;color:var(--mint)}
@media (max-width:1100px){.levels{grid-template-columns:1fr 1fr}.lvl.c{grid-column:span 2}.lvl.c .img{aspect-ratio:21/9}}
@media (max-width:760px){.levels{grid-template-columns:1fr}.lvl.c{grid-column:auto}.lvl.c .img{aspect-ratio:16/10}}

/* format split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split .photo{position:relative}
.split .photo .ph{position:relative;border-radius:30px;aspect-ratio:4/3.4;box-shadow:0 30px 70px rgba(15,24,56,.18)}
.split .photo .glass{right:-20px;bottom:-24px}
.split .photo .glass .ic{background:var(--blue-soft);color:var(--blue)}
.modes{display:grid;gap:14px;margin-top:30px}
.mode{display:flex;gap:16px;padding:20px;border-radius:20px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.mode .ic{width:46px;height:46px;border-radius:14px;flex:none;display:grid;place-items:center}
.mode .ic svg{width:22px;height:22px}
.mode b{display:block;font-size:1.05rem}
.mode span{color:var(--ink-2);font-size:.95rem}
.m1 .ic{background:var(--blue-soft);color:var(--blue)}.m2 .ic{background:var(--coral-soft);color:var(--coral)}.m3 .ic{background:var(--mint-soft);color:var(--mint)}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:56px}.split .photo .glass{right:10px}}

/* exams */
.dark{background:var(--night);color:#fff;overflow:hidden;isolation:isolate}
.dark::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(50% 60% at 90% 10%,rgba(61,99,255,.28),transparent 70%),radial-gradient(40% 50% at 0% 100%,rgba(246,185,59,.12),transparent 70%)}
.dark h2{color:#FFF9EC}.dark .lead{color:rgba(255,255,255,.7)}
.journey{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:20px}
.journey::before{content:"";position:absolute;left:40px;right:40px;top:31px;height:2px;background:repeating-linear-gradient(90deg,rgba(246,185,59,.6) 0 8px,transparent 8px 16px)}
.stop .node{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:var(--night);box-shadow:0 0 0 2px var(--gold),0 0 40px rgba(246,185,59,.45);position:relative;margin-bottom:28px;color:var(--gold)}
.stop .node svg{width:26px;height:26px}
.stop .card{background:rgba(255,255,255,.05);border-radius:24px;padding:28px;box-shadow:inset 0 0 0 1px var(--line-dark);height:calc(100% - 92px)}
.stop .yr{font-family:var(--serif);font-size:3rem;line-height:1;color:var(--gold-2)}
.stop h3{color:#fff;margin:14px 0 8px}
.stop p{color:rgba(255,255,255,.7);font-size:.97rem}
.stop .when{display:inline-block;margin-top:18px;font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:7px 12px;border-radius:999px;background:rgba(246,185,59,.15);color:var(--gold-2)}
.camp{margin-top:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:28px 32px;border-radius:24px;background:linear-gradient(90deg,rgba(246,185,59,.18),rgba(246,185,59,.05));box-shadow:inset 0 0 0 1px rgba(246,185,59,.35)}
.camp p{max-width:66ch;color:rgba(255,255,255,.85)}.camp b{color:#fff}
@media (max-width:900px){.journey{grid-template-columns:1fr}.journey::before{left:31px;right:auto;top:40px;bottom:40px;width:2px;height:auto;background:repeating-linear-gradient(180deg,rgba(246,185,59,.6) 0 8px,transparent 8px 16px)}.stop{display:grid;grid-template-columns:64px 1fr;gap:20px}.stop .node{margin:0}.stop .card{height:auto}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:34px 30px;border-radius:var(--r);background:var(--card);box-shadow:inset 0 0 0 1px var(--line);position:relative;overflow:hidden}
.step .n{font-family:var(--serif);font-size:5.5rem;line-height:.8;font-weight:400;color:transparent;-webkit-text-stroke:1.5px var(--blue);margin-bottom:22px;display:block}
.step p{color:var(--ink-2);margin-top:8px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* pricing */
.prices{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.price{padding:32px 26px}
.price{border-radius:28px;padding:36px 32px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);display:flex;flex-direction:column;position:relative}
.price.feat{background:var(--night);color:#fff;box-shadow:0 40px 80px rgba(10,18,48,.3);transform:translateY(-12px)}
.price .tag{position:absolute;top:-14px;left:32px;background:var(--gold);color:#241800;font-size:.74rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:7px 13px;border-radius:999px}
.price h3{font-size:1.5rem}.price.feat h3{color:#fff}
.price .who{color:var(--muted);font-size:.93rem;margin-top:4px}.price.feat .who{color:rgba(255,255,255,.6)}
.amt{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px;margin:26px 0 6px}
.amt b{font-family:var(--serif);font-size:3.1rem;font-weight:500;line-height:1;white-space:nowrap}
.amt span{color:var(--muted);font-weight:600}.price.feat .amt span{color:rgba(255,255,255,.6)}
.price ul{list-style:none;display:grid;gap:12px;margin:24px 0 32px;padding-top:24px;border-top:1px solid var(--line)}
.price.feat ul{border-color:var(--line-dark)}
.price li{display:flex;gap:10px;font-size:.96rem;color:var(--ink-2)}.price.feat li{color:rgba(255,255,255,.86)}
.price li svg{flex:none;width:20px;height:20px;margin-top:3px;color:var(--mint)}.price.feat li svg{color:var(--gold)}
.price .btn{margin-top:auto}
.adult{margin-top:28px;display:grid;grid-template-columns:auto 1fr auto auto;gap:24px;align-items:center;padding:26px 30px;border-radius:24px;background:var(--lilac-soft)}
.adult .ic{width:58px;height:58px;border-radius:18px;background:var(--lilac);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:1.3rem}
.adult h3{font-size:1.3rem}.adult p{color:#41307F;font-size:.96rem}
.adult .v{font-family:var(--serif);font-size:2.2rem;color:var(--lilac);white-space:nowrap}
.note{margin-top:18px;color:var(--muted);font-size:.92rem;text-align:center}
@media (max-width:1100px){.prices{grid-template-columns:1fr 1fr}.price.feat{transform:none}}
@media (max-width:640px){.prices{grid-template-columns:1fr;max-width:520px;margin-inline:auto}.price.feat{transform:none}.adult{grid-template-columns:auto 1fr}.adult .v,.adult .btn{grid-column:span 2;justify-self:start}}

/* about */
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:72px;align-items:center}
.card-ra{position:relative;aspect-ratio:4/5;border-radius:32px;background:var(--night);overflow:hidden;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;isolation:isolate}
.card-ra svg.c{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.card-ra .mono{position:absolute;top:34px;left:30px;font-family:var(--serif);font-size:6.5rem;line-height:1;color:var(--gold);font-style:italic}
.card-ra .q{font-family:var(--serif);font-size:1.45rem;line-height:1.3;font-style:italic}
.card-ra .sig{margin-top:16px;font-size:.9rem;color:rgba(255,255,255,.7)}
.card-ra .sig b{color:#fff;display:block;font-size:1rem}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
.fact{padding:20px 22px;border-radius:20px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.fact b{display:block;font-family:var(--serif);font-size:1.6rem;font-weight:500;color:var(--blue);line-height:1.1;margin-bottom:4px}
.fact span{font-size:.92rem;color:var(--ink-2)}
@media (max-width:900px){.about{grid-template-columns:1fr;gap:48px}.card-ra{max-width:420px}}

/* booking */
.book{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.book h2{margin:16px 0 18px}
.promise{list-style:none;display:grid;gap:16px;margin-top:32px}
.promise li{display:flex;gap:14px;color:rgba(255,255,255,.86)}
.promise svg{flex:none;width:24px;height:24px;color:var(--gold)}
.reach{margin-top:34px;padding-top:26px;border-top:1px solid var(--line-dark);color:rgba(255,255,255,.65);font-size:.95rem}
.reach a{color:#fff;font-weight:700;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
form.card{background:var(--card);color:var(--ink);border-radius:30px;padding:36px;display:grid;gap:18px;box-shadow:0 40px 90px rgba(0,0,0,.35)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:7px;font-size:.88rem;font-weight:700}
label .opt{font-weight:500;color:var(--muted)}
input,select,textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--cream);border:1.5px solid var(--line);border-radius:14px;padding:13px 15px;width:100%;transition:border-color .2s,background .2s}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);background:#fff}
fieldset{border:0;display:grid;gap:10px}
legend{font-size:.88rem;font-weight:700;margin-bottom:8px}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills label{display:inline-flex;font-weight:600;cursor:pointer}
.pills input{position:absolute;opacity:0;width:1px;height:1px}
.pills span{padding:10px 15px;border-radius:999px;background:var(--cream);box-shadow:inset 0 0 0 1.5px var(--line);font-size:.92rem;transition:all .2s}
.pills input:checked+span{background:var(--night);color:#fff;box-shadow:none}
.pills input:focus-visible+span{outline:3px solid var(--gold);outline-offset:2px}
.consent{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:.85rem;color:var(--ink-2)}
.consent input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--blue)}
.hp{position:absolute;left:-9999px}
form .btn{width:100%;padding:18px;font-size:1.05rem}
@media (max-width:960px){.book{grid-template-columns:1fr}}
@media (max-width:560px){form .row{grid-template-columns:1fr}form.card{padding:24px;border-radius:24px}}

/* faq */
.faqg{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
details{border-bottom:1px solid var(--line);padding:22px 0}
details:first-child{border-top:1px solid var(--line)}
summary{cursor:pointer;list-style:none;font-weight:700;font-size:1.1rem;display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary i{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--paper);transition:transform .3s var(--ease),background .2s;font-style:normal;font-size:1.3rem;color:var(--blue)}
details[open] summary i{transform:rotate(45deg);background:var(--gold-soft)}
details p{margin-top:12px;color:var(--ink-2);max-width:62ch}
@media (max-width:860px){.faqg{grid-template-columns:1fr;gap:28px}}

/* cta band */
.band{padding:0 0 120px}
.band .in{border-radius:36px;background:var(--gold);padding:64px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;position:relative;overflow:hidden}
.band h2{font-size:clamp(2rem,4vw,3.2rem);color:#241800;max-width:18ch}
.band .in::after{content:"✦";position:absolute;right:-20px;top:-60px;font-size:16rem;color:rgba(255,255,255,.25);line-height:1}
.band .btn{position:relative;z-index:1;background:var(--night);color:#fff}
@media (max-width:760px){.band .in{grid-template-columns:1fr;padding:40px 28px}}

/* footer */
footer{background:var(--night);color:rgba(255,255,255,.7);padding:80px 0 40px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:56px;border-bottom:1px solid var(--line-dark)}
footer .brand{color:#fff}
footer p{font-size:.95rem;margin-top:16px;max-width:40ch}
footer h4{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);margin-bottom:16px}
footer nav,footer .cl{display:grid;gap:10px}
footer a{text-decoration:none;color:rgba(255,255,255,.8);font-size:.95rem}
footer a:hover{color:#fff}
.word{font-family:var(--serif);font-size:clamp(3rem,13vw,11rem);line-height:.9;letter-spacing:-.04em;color:rgba(255,255,255,.06);margin-top:40px;white-space:nowrap;font-style:italic}
.copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;margin-top:20px}
@media (max-width:760px){.fgrid{grid-template-columns:1fr}}

/* sticky mobile */
.sticky{display:none}
@media (max-width:560px){.sticky{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:90;box-shadow:0 12px 30px rgba(10,18,48,.4);transform:translateY(120%);transition:transform .4s var(--ease)}.sticky.show{transform:none}}

/* simple pages */
.page main{padding-top:78px}
.simple{min-height:72vh;display:grid;place-items:center;text-align:center;padding:80px 0}
.simple h1{font-size:clamp(2.2rem,5vw,3.6rem);margin:18px 0}
.simple p{color:var(--ink-2);max-width:50ch;margin:0 auto 30px}
.legal{max-width:760px;padding:80px 0}
.legal h1{font-size:2.8rem;margin-bottom:16px}
.legal h2{font-size:1.5rem;margin:32px 0 8px}
.legal p{color:var(--ink-2);margin-bottom:10px}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}
.hero .rv{transition-duration:1.1s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.track,.g1,.g2,.sticker{animation:none}html{scroll-behavior:auto}}
picture{display:block;width:100%;height:100%}
.ph picture img,.t-math .img img,.lvl .img img{width:100%;height:100%;object-fit:cover}

/* ===== v3 additions ===== */
html.lock{overflow:hidden}
.progress{position:fixed;left:0;top:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--gold),var(--blue));z-index:100}
/* dropdown */
.dd{position:relative}
.dd>button{font:inherit;font-size:.95rem;font-weight:600;background:none;border:0;color:rgba(255,255,255,.82);cursor:pointer;display:flex;align-items:center;gap:6px;padding:0}
.dd>button svg{width:14px;height:14px;transition:transform .2s}
.nav.solid .dd>button,.page .dd>button{color:var(--ink-2)}
.dd.open>button svg{transform:rotate(180deg)}
.dd-menu{position:absolute;top:calc(100% + 18px);left:50%;transform:translate(-50%,8px);min-width:340px;background:#fff;border-radius:20px;padding:10px;box-shadow:0 30px 70px rgba(10,18,48,.25),0 0 0 1px var(--line);opacity:0;pointer-events:none;transition:all .25s var(--ease);display:grid;gap:2px}
.dd.open .dd-menu{opacity:1;pointer-events:auto;transform:translate(-50%,0)}
.dd-menu a{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:12px;color:var(--ink)!important;text-decoration:none}
.dd-menu a:hover{background:var(--cream)}
.dd-menu a i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-family:var(--serif);font-weight:600;flex:none}
.dd-menu a b{display:block;font-size:.95rem}.dd-menu a small{display:block;font-size:.8rem;color:var(--muted);font-weight:500}
/* burger + mobile menu */
.burger{display:none;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.1);color:#fff;cursor:pointer;place-items:center}
.nav.solid .burger,.page .burger{background:var(--paper);color:var(--ink)}
.burger svg{width:22px;height:22px}
@media (max-width:1040px){.burger{display:grid}}
#mmenu{position:fixed;inset:0;z-index:95;background:var(--night);color:#fff;padding:96px 24px 40px;overflow:auto}
#mmenu[hidden]{display:none}
#mmenu .close{position:absolute;right:20px;top:18px}
#mmenu nav{display:grid;gap:4px}
#mmenu a{font-family:var(--serif);font-size:1.9rem;color:#fff;text-decoration:none;padding:6px 0}
#mmenu h4{margin:28px 0 8px;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2)}
#mmenu .sub a{font-family:var(--sans);font-size:1.05rem;color:rgba(255,255,255,.85)}
#mmenu .btn{margin-top:30px;width:100%}
/* rotating word */
.rot{display:inline-block;transition:opacity .4s var(--ease),transform .4s var(--ease),filter .4s}
.rot.out{opacity:0;transform:translateY(.25em);filter:blur(6px)}
/* tilt spotlight */
.tilt{transition:transform .25s var(--ease),box-shadow .35s;will-change:transform}
.tile.tilt::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.14),transparent 45%);opacity:0;transition:opacity .3s}
.tile.tilt:hover::after{opacity:1}
.more{display:inline-flex;gap:8px;align-items:center;font-weight:800;font-size:.9rem;text-decoration:none;margin-top:18px;color:var(--blue)}
.more svg{width:16px;height:16px;transition:transform .2s}.more:hover svg{transform:translateX(4px)}
.t-math .more,.t-ai .more{color:var(--gold-2)}
/* sparks */
.spark{position:fixed;z-index:200;pointer-events:none;font-size:18px;animation:spark .9s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes spark{0%{transform:translate(-50%,-50%) scale(.4);opacity:1}100%{transform:translate(calc(-50% + var(--tx)),calc(-50% + var(--ty))) scale(1.1) rotate(160deg);opacity:0}}
/* countdown */
.count{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.count span{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px var(--line-dark);font-size:.9rem;color:rgba(255,255,255,.75)}
.count b{font-family:var(--serif);font-size:1.5rem;color:var(--gold-2);font-weight:500;line-height:1}

/* ===== LAB ===== */
.lab{border-radius:32px;background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px var(--line-dark);padding:14px;overflow:hidden}
.lab-tabs{display:flex;gap:6px;padding:6px;background:rgba(0,0,0,.25);border-radius:999px;width:max-content;max-width:100%;overflow-x:auto;margin:0 auto 14px}
.lab-tabs button{font:inherit;font-weight:700;font-size:.92rem;color:rgba(255,255,255,.7);background:none;border:0;padding:12px 20px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:all .2s}
.lab-tabs button small{display:block;font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.lab-tabs button[aria-selected=true]{background:var(--gold);color:#241800}
.lab-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;padding:22px;align-items:center}
.lab-panel[hidden]{display:none}
.stage{position:relative;border-radius:24px;background:radial-gradient(120% 100% at 30% 0%,#1B2A6B,#0A1230);box-shadow:inset 0 0 0 1px var(--line-dark);aspect-ratio:1/1;display:grid;place-items:center;overflow:hidden}
.stage canvas{width:100%;height:100%;display:block}
#pie{width:78%;height:78%;overflow:visible}
#pie path{fill:rgba(255,255,255,.06);stroke:#0A1230;stroke-width:2.5;transition:fill .35s var(--ease)}
#pie path.on{fill:var(--gold)}
#pie .rim{fill:none;stroke:rgba(255,255,255,.15);stroke-width:2}
.ctrl h3{color:#fff;font-size:1.7rem;margin-bottom:8px}
.ctrl>p{color:rgba(255,255,255,.7);margin-bottom:22px}
.slider{display:grid;gap:8px;margin-bottom:18px}
.slider label{display:flex;justify-content:space-between;font-size:.9rem;font-weight:700;color:rgba(255,255,255,.85)}
.slider label output{font-family:var(--serif);color:var(--gold-2);font-size:1.15rem}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:99px;background:rgba(255,255,255,.12);border:0;padding:0;outline-offset:6px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;border-radius:50%;background:var(--gold);border:4px solid #0A1230;box-shadow:0 0 0 2px var(--gold),0 6px 16px rgba(0,0,0,.4);cursor:grab}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--gold);border:4px solid #0A1230;box-shadow:0 0 0 2px var(--gold);cursor:grab}
.readout{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-family:var(--serif);font-size:1.6rem;color:#fff;margin:6px 0 18px;min-height:64px}
.readout b{color:var(--gold-2);font-weight:500}
.frac{display:inline-grid;justify-items:center;line-height:1}
.frac i{display:block;width:100%;height:2px;background:#fff;margin:4px 0}
.chal{border-radius:18px;background:rgba(246,185,59,.1);box-shadow:inset 0 0 0 1px rgba(246,185,59,.3);padding:16px 18px;color:rgba(255,255,255,.88);font-size:.97rem}
.chal .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chal .btn{padding:10px 16px;font-size:.88rem}
.fb{min-height:26px;margin-top:10px;font-weight:700;font-size:.95rem;color:rgba(255,255,255,.7)}
.fb.ok{color:#5BE3A8}.fb.no{color:#FF9C85}
.lab-note{text-align:center;color:rgba(255,255,255,.55);font-size:.88rem;margin-top:16px}
@media (max-width:900px){.lab-panel{grid-template-columns:1fr;padding:12px}.stage{max-width:460px;width:100%;margin:0 auto}.lab-tabs{margin-left:0}}

/* ===== calculator ===== */
.calc{margin-top:28px;display:grid;grid-template-columns:1.2fr .8fr;border-radius:28px;overflow:hidden;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.calc .in{padding:32px}
.calc h3{font-size:1.6rem;margin-bottom:6px}
.calc .in>p{color:var(--ink-2);margin-bottom:22px}
.seg-l{font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:16px 0 8px;display:block}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{font:inherit;font-weight:700;font-size:.92rem;padding:10px 16px;border-radius:999px;border:0;background:var(--cream);box-shadow:inset 0 0 0 1.5px var(--line);cursor:pointer;color:var(--ink);transition:all .2s}
.seg button[aria-pressed=true]{background:var(--night);color:#fff;box-shadow:none}
.stepper{display:inline-flex;align-items:center;gap:14px;background:var(--cream);border-radius:999px;padding:6px;box-shadow:inset 0 0 0 1.5px var(--line)}
.stepper button{width:38px;height:38px;border-radius:50%;border:0;background:#fff;font-size:1.3rem;font-weight:700;cursor:pointer;color:var(--ink);box-shadow:0 2px 6px rgba(0,0,0,.08)}
.stepper b{font-family:var(--serif);font-size:1.4rem;min-width:20px;text-align:center}
.calc .res{background:var(--night);color:#fff;padding:32px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.calc .res::after{content:"✦";position:absolute;right:-10px;bottom:-50px;font-size:12rem;color:rgba(246,185,59,.08)}
.calc .res small{color:rgba(255,255,255,.6);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:.75rem}
.calc .tot{font-family:var(--serif);font-size:4.2rem;line-height:1;margin:10px 0;color:var(--gold-2)}
.calc .tot span{font-size:1.2rem;color:rgba(255,255,255,.7);font-family:var(--sans);font-weight:600}
.calc .brk{color:rgba(255,255,255,.7);font-size:.93rem}
.calc .res .btn{margin-top:22px;position:relative;z-index:1}
.calc .disc{font-size:.8rem;color:rgba(255,255,255,.45);margin-top:12px}
@media (max-width:860px){.calc{grid-template-columns:1fr}}

/* ===== wizard ===== */
.wz-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.wz-label{font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.wz-dots{display:flex;gap:6px}.wz-dots span{width:28px;height:6px;border-radius:9px;background:var(--line);transition:background .3s}.wz-dots span.on{background:var(--blue)}
.wz-bar{height:4px;border-radius:9px;background:var(--line);overflow:hidden;display:none}
.wz-bar i{display:block;height:100%;width:33%;background:linear-gradient(90deg,var(--blue),var(--lilac));transition:width .4s var(--ease)}
.step-pane{display:grid;gap:18px}
.step-pane h3{font-size:1.45rem}
.wz-nav{display:flex;gap:10px;justify-content:space-between}
.wz-nav .btn{width:auto;flex:1}
form.wizard:not(.js) .wz-nav,form.wizard:not(.js) .wz-top{display:none}
.pick-warn{color:var(--coral);font-size:.85rem;font-weight:700}
.shake{animation:shake .4s}
@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(6px)}75%{transform:translateX(-3px)}}
#plan-tag{display:block;font-size:.85rem;font-weight:700;color:var(--blue);background:var(--blue-soft);border-radius:12px;padding:10px 12px}

/* ===== landing pages ===== */
.lp-hero{background:var(--night);color:#fff;padding:150px 0 90px;position:relative;overflow:hidden;isolation:isolate}
.lp-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 60% at 85% 20%,rgba(61,99,255,.35),transparent 70%),radial-gradient(40% 50% at 0% 100%,rgba(246,185,59,.15),transparent 70%)}
.lp-hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:22px;list-style:none}
.crumbs a{color:rgba(255,255,255,.85);text-decoration:none}.crumbs li+li::before{content:"›";margin-right:8px;opacity:.5}
.lp-hero h1{font-size:clamp(2.6rem,5.4vw,4.6rem);color:#FFF9EC;font-weight:400;margin:18px 0 20px}
.lp-hero .lead{color:rgba(255,255,255,.75)}
.lp-hero .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;list-style:none}
.lp-hero .chips li{padding:9px 15px;border-radius:999px;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px var(--line-dark);font-size:.88rem;font-weight:600}
.lp-hero .ph{position:relative;border-radius:30px;aspect-ratio:4/4.4}
.lp-hero .glass{left:-24px;bottom:30px}
.lp-hero .glass .ic{background:var(--gold-soft);color:var(--gold-ink);font-size:1rem}
.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic{padding:28px;border-radius:22px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}
.topic .n{font-family:var(--serif);font-size:1rem;color:var(--blue);font-weight:600;display:block;margin-bottom:12px}
.topic h3{font-size:1.3rem;margin-bottom:8px}.topic p{color:var(--ink-2);font-size:.96rem}
.intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.intro p{font-size:1.2rem;color:var(--ink-2)}
.rel{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.rel a{padding:10px 16px;border-radius:999px;background:var(--card);box-shadow:inset 0 0 0 1.5px var(--line);text-decoration:none;font-weight:700;font-size:.92rem}
.rel a:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
@media (max-width:900px){.lp-hero .grid,.intro{grid-template-columns:1fr}.topics{grid-template-columns:1fr 1fr}.lp-hero .ph{max-width:460px}}
@media (max-width:600px){.topics{grid-template-columns:1fr}}
footer{overflow:hidden}
.fgrid{grid-template-columns:1.3fr 1fr 1fr 1fr}
@media (max-width:980px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}
.book>*,.step-pane>*,form .row>*{min-width:0}
select{max-width:100%;text-overflow:ellipsis}
.step-pane[hidden]{display:none}
.btn-line{background:transparent}
@media (max-width:600px){.lab-tabs{display:grid;grid-template-columns:repeat(3,1fr);width:100%}.lab-tabs button{padding:10px 6px;font-size:.85rem}.lab-tabs button small{font-size:.6rem;letter-spacing:.06em}}
.dark form.card .btn-line{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.dark form.card .btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}

.note{color:#585F7C}
svg.word{display:block;width:100%;height:auto;margin-top:40px}
.fh{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);margin-bottom:16px;font-weight:700}
#mmenu .fh{margin:28px 0 8px;font-size:.75rem}
.hero h1 .rotline{display:block}
.hero .rv,.lp-hero .rv{opacity:1;transform:none;transition:none;animation:rise .9s var(--ease) both}
.hero .d1,.lp-hero .d1{animation-delay:.08s}.hero .d2,.lp-hero .d2{animation-delay:.16s}.hero .d3,.lp-hero .d3{animation-delay:.24s}
@keyframes rise{from{opacity:.001;transform:translateY(18px)}}
@media (prefers-reduced-motion:reduce){.hero .rv,.lp-hero .rv{animation:none}}

/* ===== v4: finder, tools, resources, articles ===== */
.finder{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
.fq{background:var(--card);border-radius:28px;padding:30px;box-shadow:inset 0 0 0 1px var(--line);display:grid;gap:22px}
.fq h3{font-size:1.15rem;font-family:var(--sans);font-weight:800;margin-bottom:10px;display:flex;gap:10px;align-items:center}
.fq h3 i{width:26px;height:26px;border-radius:50%;background:var(--night);color:#fff;font-style:normal;font-size:.8rem;display:grid;place-items:center}
.fres{border-radius:28px;background:var(--night);color:#fff;padding:32px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.fres .empty{color:rgba(255,255,255,.6);font-size:1.05rem}
.fres .empty b{display:block;font-family:var(--serif);font-size:2rem;color:var(--gold-2);font-weight:500;margin-bottom:8px}
#fd-res h3{font-size:1.9rem;color:#fff;margin:8px 0 10px}#fd-res p{color:rgba(255,255,255,.75)}
#fd-res .price-tag{display:inline-block;margin-top:14px;font-weight:800;color:var(--gold-2)}
#fd-res .btn{margin-top:22px}
#fd-res.pop{animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}}
@media (max-width:860px){.finder{grid-template-columns:1fr}}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rcard{display:flex;flex-direction:column;border-radius:24px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);padding:28px;text-decoration:none;color:var(--ink);position:relative;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s}
.rcard:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px var(--line),0 24px 50px rgba(15,24,56,.1)}
.rcard .tag{font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.rcard h3{font-size:1.35rem;margin-bottom:10px}.rcard p{color:var(--ink-2);font-size:.95rem}
.rcard .go{margin-top:auto;padding-top:18px;font-weight:800;font-size:.9rem;color:var(--blue);display:flex;align-items:center;gap:8px}
.rcard .go svg{width:16px;height:16px}
.rcard.tool{background:var(--night);color:#fff;box-shadow:none}.rcard.tool h3{color:#fff}.rcard.tool p{color:rgba(255,255,255,.72)}.rcard.tool .tag,.rcard.tool .go{color:var(--gold-2)}
@media (max-width:960px){.cards3{grid-template-columns:1fr 1fr}}@media (max-width:620px){.cards3{grid-template-columns:1fr}}
/* tool widgets */
.toolbox{background:var(--card);border-radius:30px;box-shadow:0 30px 70px rgba(15,24,56,.12),inset 0 0 0 1px var(--line);padding:30px;margin-top:-60px;position:relative;z-index:2}
.rtable{width:100%;border-collapse:separate;border-spacing:0 8px;font-size:.92rem}
.rtable th{text-align:left;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:800;padding:0 6px}
.rtable td{padding:0 6px}
.rtable input{padding:10px 10px;border-radius:10px;font-size:.95rem}
.rtable input[type=checkbox]{width:20px;height:20px;accent-color:var(--blue)}
.rtable .crc{font-family:var(--serif);font-size:1.4rem;color:var(--blue);white-space:nowrap}
.rtable .rm{border:0;background:var(--paper);width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:1.1rem;color:var(--ink-2)}
.rwrap{overflow-x:auto}
.rres{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;margin-top:20px;padding:22px 26px;border-radius:22px;background:var(--night);color:#fff}
.rres small{display:block;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6);font-weight:800}
.rres b{font-family:var(--serif);font-size:3rem;color:var(--gold-2);font-weight:500;line-height:1}
.meter{height:10px;border-radius:9px;background:rgba(255,255,255,.12);overflow:hidden;position:relative}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--coral),var(--gold),var(--mint));transition:width .5s var(--ease)}
.meter-l{display:flex;justify-content:space-between;font-size:.75rem;color:rgba(255,255,255,.5);margin-top:6px}
@media (max-width:700px){.rres{grid-template-columns:1fr}.rtable{min-width:760px}}
.fxgrid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.fxin{display:grid;gap:16px}
.fxout{border-radius:22px;background:var(--night);color:#fff;padding:28px}
.fxout small{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6);font-weight:800}
#fx-out{display:block;font-family:var(--serif);font-size:4rem;color:var(--gold-2);line-height:1;margin:10px 0}
.fx-msg{font-weight:700}.fx-msg.ok{color:#5BE3A8}.fx-msg.warn{color:var(--gold-2)}.fx-msg.no{color:#FF9C85}
.fxout table{width:100%;margin-top:18px;border-collapse:collapse;font-size:.92rem}.fxout td{padding:8px 0;border-top:1px solid var(--line-dark)}.fxout td+td{text-align:right;font-weight:700}
@media (max-width:760px){.fxgrid{grid-template-columns:1fr}}
/* article */
.art{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;align-items:start}
.toc{position:sticky;top:100px;font-size:.9rem}
.toc b{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.toc a{display:block;padding:7px 0 7px 14px;border-left:2px solid var(--line);text-decoration:none;color:var(--ink-2)}
.toc a:hover,.toc a.on{border-color:var(--blue);color:var(--blue)}
.prose{max-width:720px;font-size:1.08rem;line-height:1.8;color:#2A3354}
.prose h2{font-size:2rem;margin:56px 0 16px;color:var(--ink);scroll-margin-top:100px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.35rem;margin:30px 0 10px;color:var(--ink)}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{margin:0 0 20px 22px}.prose li{margin-bottom:8px}
.prose a{color:var(--blue);text-decoration-thickness:1.5px;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose table{width:100%;border-collapse:collapse;margin:10px 0 24px;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--paper);font-weight:800}
.meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px;color:rgba(255,255,255,.65);font-size:.9rem}
.meta span{display:flex;gap:8px;align-items:center}
.srcs{margin-top:48px;padding:24px;border-radius:20px;background:var(--paper);font-size:.9rem}
.srcs b{display:block;margin-bottom:10px}
.srcs a{display:block;color:var(--ink-2);padding:3px 0;word-break:break-word}
.cta-box{margin:48px 0 0;border-radius:24px;background:var(--night);color:#fff;padding:30px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.cta-box p{font-family:var(--serif);font-size:1.5rem;max-width:26ch;color:#FFF9EC;line-height:1.2;margin:0}
@media (max-width:960px){.art{grid-template-columns:1fr}.toc{position:static;display:none}}

#fd-res .price-tag{display:block}
.links{gap:24px}
@media (max-width:1240px){.links{gap:18px}.links a,.dd>button{font-size:.9rem}}
.prose a{color:#2B49D6}
.prose a.btn{color:#241800;text-decoration:none}
.more,.rcard .go,.rcard .tag,.kicker{color:#2B49D6}
.dark .kicker,.rcard.tool .go,.rcard.tool .tag,.t-math .more,.t-ai .more{color:var(--gold-2)}
html.lenis,html.lenis body{height:auto}.lenis:not(.lenis-autoToggle).lenis-stopped{overflow:clip}.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}.lenis.lenis-smooth iframe{pointer-events:none}.lenis.lenis-autoToggle{transition-property:overflow;transition-duration:1ms;transition-behavior:allow-discrete}

/* ===== v5: morph hero, motion, Stella ===== */
.morph-wrap{position:relative;height:600px}
#morph{position:absolute;inset:0;width:100%;height:100%;cursor:pointer;touch-action:pan-y}
#morph-cap{position:absolute;left:50%;bottom:6px;transform:translateX(-50%);font-size:.8rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);opacity:0;white-space:nowrap}
#morph-cap.show{animation:capin 3.4s ease both}
@keyframes capin{0%{opacity:0;transform:translate(-50%,8px)}12%,82%{opacity:1;transform:translate(-50%,0)}100%{opacity:0}}
.morph-wrap .glass.g1{left:-10px;top:40px}.morph-wrap .glass.g2{right:-6px;bottom:90px}
.mini-ph{position:absolute;left:0;bottom:30px;width:150px;height:180px;border-radius:22px;overflow:hidden;border:5px solid var(--night);box-shadow:0 30px 60px rgba(0,0,0,.45);transform:rotate(-4deg)}
.mini-ph img{width:100%;height:100%;object-fit:cover}
.morph-hint{position:absolute;right:8px;top:8px;font-size:.75rem;color:rgba(255,255,255,.45);font-weight:700}
@media (max-width:980px){.morph-wrap{height:440px;max-width:560px;width:100%;margin:0 auto}}
@media (max-width:560px){.morph-wrap{height:360px}.mini-ph{width:110px;height:130px;bottom:10px}.morph-wrap .glass.g1{top:6px}.morph-wrap .glass.g2{bottom:40px}}
.w{display:inline-block;will-change:transform}
.lnw{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.ln{display:block}
.halo{position:fixed;left:0;top:0;width:26px;height:26px;margin:-13px 0 0 -13px;border-radius:50%;border:1.5px solid rgba(246,185,59,.8);pointer-events:none;z-index:300;mix-blend-mode:difference;transition:width .25s,height .25s,margin .25s,background .25s}
.halo.big{width:54px;height:54px;margin:-27px 0 0 -27px;background:rgba(246,185,59,.15)}
/* manifesto */
.manifesto{padding:140px 0;background:var(--cream)}
.manifesto p{font-family:var(--serif);font-size:clamp(2rem,4.6vw,4rem);line-height:1.12;letter-spacing:-.02em;max-width:22ch;color:var(--ink)}
.manifesto p em{color:var(--blue)}
.manifesto .sig{margin-top:34px;display:flex;align-items:center;gap:14px;color:var(--ink-2);font-weight:700}
.manifesto .sig i{width:46px;height:46px;border-radius:50%;background:var(--night);color:var(--gold);display:grid;place-items:center;font-family:var(--serif);font-style:italic;font-size:1.1rem}
/* Stella launcher + panel */
.st-launch.fab{position:fixed;right:22px;bottom:22px;z-index:92;display:flex;align-items:center;gap:10px;padding:10px 18px 10px 10px;border-radius:999px;border:0;cursor:pointer;background:var(--night);color:#fff;font:inherit;font-weight:800;font-size:.95rem;box-shadow:0 16px 40px rgba(10,18,48,.35),0 0 0 1px rgba(255,255,255,.08);transition:transform .25s var(--ease)}
.st-launch.fab:hover{transform:translateY(-3px)}
.st-av{width:38px;height:38px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFE7A8,#F6B93B 55%,#C98A12);display:grid;place-items:center;color:#0A1230;box-shadow:0 0 0 3px rgba(246,185,59,.25),0 0 24px rgba(246,185,59,.55);animation:pulse 3s ease-in-out infinite}
.st-av svg{width:20px;height:20px}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(246,185,59,.08),0 0 30px rgba(246,185,59,.7)}}
@media (max-width:560px){.st-launch.fab{bottom:84px;right:12px;padding:8px}.st-launch.fab .lbl{display:none}}
#stella{position:fixed;right:22px;bottom:92px;z-index:93;width:min(400px,calc(100vw - 24px));height:min(600px,calc(100vh - 130px));background:#0D1636;color:#fff;border-radius:26px;box-shadow:0 40px 90px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.1);display:flex;flex-direction:column;overflow:hidden;animation:stin .35s var(--ease)}
#stella[hidden]{display:none}
@keyframes stin{from{opacity:0;transform:translateY(16px) scale(.98)}}
@media (max-width:560px){#stella{right:12px;bottom:12px;height:calc(100vh - 90px)}}
.st-head{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line-dark);background:linear-gradient(180deg,rgba(61,99,255,.18),transparent)}
.st-head b{display:block;font-family:var(--serif);font-size:1.2rem;font-weight:500}
.st-head small{color:rgba(255,255,255,.6);font-size:.78rem}
.st-head .x{margin-left:auto;display:flex;gap:6px}
.st-head button{width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.08);color:#fff;cursor:pointer;font-size:1rem}
#st-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.msg{max-width:88%;padding:11px 14px;border-radius:18px;font-size:.93rem;line-height:1.5}
.msg p+p{margin-top:6px}.msg ol,.msg ul{margin:4px 0 4px 18px}.msg code{background:rgba(255,255,255,.1);padding:1px 5px;border-radius:5px}
.msg.assistant{background:rgba(255,255,255,.07);border-bottom-left-radius:6px;align-self:flex-start}
.msg.user{background:var(--gold);color:#241800;border-bottom-right-radius:6px;align-self:flex-end;font-weight:600}
.msg.warn{background:rgba(255,107,74,.15);color:#FFC3B5}
.msg.typing{display:flex;gap:5px;padding:14px 16px}.msg.typing span{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.6);animation:dot 1s infinite}.msg.typing span:nth-child(2){animation-delay:.15s}.msg.typing span:nth-child(3){animation-delay:.3s}
@keyframes dot{50%{transform:translateY(-4px);opacity:.4}}
.st-sug{display:flex;gap:6px;overflow-x:auto;padding:0 14px 10px}
.st-sug button{flex:none;font:inherit;font-size:.8rem;font-weight:700;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:7px 12px;cursor:pointer}
#st-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line-dark)}
#st-in{flex:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:#fff;border-radius:16px;padding:12px 14px;resize:none;height:48px;font-size:.95rem}
#st-in::placeholder{color:rgba(255,255,255,.45)}
#st-form button{width:48px;height:48px;border-radius:50%;border:0;background:var(--gold);color:#241800;cursor:pointer;display:grid;place-items:center;flex:none}
#st-form button svg{width:20px;height:20px}
.st-fine{font-size:.7rem;color:rgba(255,255,255,.45);padding:0 16px 10px;text-align:center}
/* Stella homepage section */
.stella-sec .grid2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.demo-chat{border-radius:28px;background:#0D1636;padding:22px;box-shadow:0 40px 80px rgba(0,0,0,.35),inset 0 0 0 1px var(--line-dark);display:flex;flex-direction:column;gap:12px}
.demo-chat .msg{max-width:92%}
.ask{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.ask button{font:inherit;font-weight:700;font-size:.9rem;padding:11px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;text-align:left}
.ask button:hover{background:rgba(246,185,59,.15);border-color:var(--gold)}
@media (max-width:900px){.stella-sec .grid2{grid-template-columns:1fr}}
/* ML lab */
.ml-ctrl{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 16px}
.ml-ctrl button{font:inherit;font-weight:700;font-size:.9rem;padding:10px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer}
.ml-ctrl button[aria-pressed=true]{background:#fff;color:#0A1230}
.ml-ctrl .dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}
.ml-stats{display:flex;gap:24px;color:rgba(255,255,255,.75);font-size:.9rem;margin-top:12px}
.ml-stats b{font-family:var(--serif);font-size:1.6rem;color:var(--gold-2);font-weight:500;display:block}
#ml{cursor:crosshair}
@media (max-width:600px){.lab-tabs{grid-template-columns:repeat(4,1fr)!important}.lab-tabs button{font-size:.75rem!important;padding:9px 4px!important}}
#stella{padding:0}
@media (max-width:560px){.morph-hint{display:none}}
#st-in{min-height:0;height:48px}