/* ============================================================
   STEMRIFT v2 — "Circuit Scholastic"
   Navy (trust) + circuit green (STEM, GAMERIFT family) +
   cream (warmth) + amber (achievement). Flatter and warmer
   than v1: fewer heavy shadows, calmer, more established.
   ============================================================ */

:root{
  --paper:#F7F4ED;        /* warm cream page */
  --paper-2:#FDFBF6;
  --white:#FFFFFF;
  --ink:#13293F;          /* deep navy: text + trust */
  --ink-soft:#4C6076;
  --green:#2FA84F;        /* circuit green: STEM */
  --green-deep:#1F7C3B;   /* readable green on light */
  --green-lime:#5CE035;   /* LED pops only */
  --blue:#2F5AD0;         /* calm secondary */
  --amber:#EBA23A;        /* achievement / warmth */
  --amber-ink:#5A4108;
  --line:rgba(19,41,63,.12);
  --line-soft:rgba(19,41,63,.07);
  --shadow:0 8px 26px -14px rgba(19,41,63,.22);
  --shadow-lg:0 22px 50px -26px rgba(19,41,63,.30);
  --font-d:"Space Grotesk",system-ui,sans-serif;
  --font-b:"Plus Jakarta Sans",system-ui,sans-serif;
  --ease:cubic-bezier(.33,.8,.3,1);
  /* aliases so ported lesson-page inline styles resolve to the new palette */
  --font-display:var(--font-d);
  --font-body:var(--font-b);
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
  --indigo:var(--blue);
  --indigo-deep:var(--green-deep);
  --cyan:var(--blue);
  --chrome:var(--line);
  --ice-100:var(--paper);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:rgba(47,168,79,.22)}
.wrap{max-width:74rem;margin:0 auto;padding:0 1.5rem}

/* ---- type ---- */
h1,h2,h3,.display{font-family:var(--font-d);font-weight:700;letter-spacing:-.02em;line-height:1.1}
.h-hero{font-size:clamp(2.1rem,4.8vw,3.4rem)}
.h-sec{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.h-card{font-size:1.3rem;letter-spacing:-.01em}
.lede{font-size:clamp(1.05rem,1.5vw,1.18rem);color:var(--ink-soft);max-width:38rem}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep);background:rgba(47,168,79,.1);border:1px solid rgba(47,168,79,.24);border-radius:999px;padding:.34rem .8rem;margin-bottom:1.2rem}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green-lime);box-shadow:0 0 0 3px rgba(92,224,53,.25)}
.eyebrow.amber{color:var(--amber-ink);background:rgba(235,162,58,.14);border-color:rgba(235,162,58,.32)}
.eyebrow.amber::before{background:var(--amber);box-shadow:0 0 0 3px rgba(235,162,58,.22)}
.green{color:var(--green-deep)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.6rem;border:none;cursor:pointer;font-family:var(--font-b);font-weight:700;font-size:.95rem;padding:.85rem 1.5rem;border-radius:999px;transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .3s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 24px -12px rgba(47,168,79,.55)}
.btn-primary:hover{background:#2c9c49;box-shadow:0 16px 30px -12px rgba(47,168,79,.6)}
.btn-ghost{background:var(--white);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:rgba(19,41,63,.28)}
.btn-navy{background:var(--ink);color:#fff}
.btn-navy:hover{background:#1c3a58}
.btn-lg{padding:1rem 1.8rem;font-size:1rem}

/* ---- header (grounded, not floating) ---- */
.head{position:sticky;top:0;z-index:40;background:rgba(247,244,237,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:1.5rem;height:68px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-d);font-weight:700;font-size:1.05rem;letter-spacing:.04em}
.brand img{width:36px;height:36px;border-radius:50%}
.brand-text{display:inline-flex;flex-direction:column;line-height:1.05}
.brand em,.foot-brand em{font-style:normal;font-weight:600;font-size:.56rem;letter-spacing:.13em;text-transform:uppercase;color:var(--green-deep);margin-top:.2rem}
.head nav{margin-left:auto;display:flex;gap:.3rem}
.head nav a{font-weight:600;font-size:.92rem;color:var(--ink-soft);padding:.5rem .9rem;border-radius:8px;transition:color .3s,background .3s}
.head nav a:hover,.head nav a.active{color:var(--ink);background:rgba(19,41,63,.05)}
.head .btn{margin-left:.5rem}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--white);cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:.4s var(--ease)}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
body.menu-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:21px;transform:rotate(-45deg)}
.mobile-menu{display:none}

/* ---- sections ---- */
.section{padding:5.5rem 0}
.section-sm{padding:3.5rem 0}
.head-block{max-width:44rem;margin-bottom:2.6rem}

/* ---- hero ---- */
.hero{padding:4rem 0 4.5rem}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hero .lede{margin:1.3rem 0 2rem}
.hero-ctas{display:flex;gap:.9rem;flex-wrap:wrap;align-items:center}
.reassure{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:1.8rem}
.reassure span{display:flex;align-items:center;gap:.5rem;font-size:.88rem;font-weight:600}
.reassure span::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--green);flex:none;box-shadow:inset 0 0 0 3px #fff,0 0 0 1px var(--green)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-lg)}
.hero-badge{position:absolute;left:1rem;bottom:1rem;display:flex;align-items:center;gap:.5rem;background:var(--amber);color:var(--amber-ink);font-weight:700;font-size:.82rem;padding:.55rem 1rem;border-radius:999px;box-shadow:var(--shadow)}

/* ---- proof bar ---- */
.proof{display:grid;grid-template-columns:repeat(4,1fr);background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.proof div{padding:1.3rem;text-align:center;border-right:1px solid var(--line)}
.proof div:last-child{border-right:none}
.proof b{display:block;font-family:var(--font-d);font-size:clamp(1.3rem,2.2vw,1.7rem);color:var(--ink)}
.proof b .star{color:var(--amber)}
.proof small{display:block;margin-top:.35rem;font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.trust-line{text-align:center;margin-top:1rem;font-size:.82rem;color:var(--ink-soft)}
.trust-line b{color:var(--green-deep)}

/* ---- cards ---- */
.card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:1.8rem;box-shadow:var(--shadow);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;margin-bottom:1.1rem;background:#e9e4d8}

/* start-here featured kit */
.starter{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--white);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg)}
.starter .pic{position:relative;background:var(--ink)}
.starter .pic img{width:100%;height:100%;object-fit:cover;min-height:320px}
.starter .body{padding:2.4rem}
.starter .price{font-family:var(--font-d);font-size:1.5rem;color:var(--ink);margin:1rem 0}
.starter .price small{font-family:var(--font-b);font-size:.85rem;font-weight:500;color:var(--ink-soft)}
.starter ul.ticks{display:grid;gap:.6rem;margin:1.2rem 0 1.6rem}
.starter ul.ticks li{display:flex;gap:.6rem;font-size:.94rem}
.starter ul.ticks li::before{content:"";width:18px;height:18px;flex:none;border-radius:50%;margin-top:.15rem;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}

/* ladder / grows-with-child */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;counter-reset:step}
.rung{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:1.4rem;position:relative}
.rung .n{font-family:var(--font-d);font-size:.72rem;letter-spacing:.12em;color:var(--green-deep);text-transform:uppercase}
.rung h4{font-size:1.05rem;margin:.5rem 0 .4rem}
.rung p{font-size:.86rem;color:var(--ink-soft)}
.rung .age{margin-top:.7rem;font-family:var(--font-d);font-size:.72rem;color:var(--ink-soft)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:1.6rem}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-d);font-weight:700;margin-bottom:.9rem}
.step h4{font-size:1.1rem;margin-bottom:.4rem}
.step p{font-size:.92rem;color:var(--ink-soft)}

/* navy band */
.band{background:var(--ink);color:#fff;border-radius:22px;padding:3.4rem 3rem;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-6%;top:-30%;width:26rem;height:26rem;border-radius:50%;border:26px solid rgba(47,168,79,.18)}
.band>*{position:relative}
.band h2{color:#fff}
.band p{color:rgba(226,236,248,.8);max-width:34rem;margin:1rem 0 1.8rem}
.band-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center}
.band-photo{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px}

/* press */
.press-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem;align-items:center}
.press-grid img{width:100%;border-radius:14px;box-shadow:var(--shadow-lg)}
.press-cap{margin-top:.8rem;font-size:.78rem;color:var(--ink-soft)}
.press-quote{font-family:var(--font-d);font-size:clamp(1.3rem,2.2vw,1.7rem);line-height:1.3}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.review{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:1.5rem;display:flex;flex-direction:column;gap:.8rem}
.stars{color:var(--amber);letter-spacing:.12em}
.review p{font-size:.92rem;flex:1}
.review .who{display:flex;align-items:center;gap:.6rem;border-top:1px solid var(--line);padding-top:.8rem}
.review .av{width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-d);font-weight:700;font-size:.85rem}
.review .who b{font-size:.85rem}
.review .who span{display:block;font-size:.66rem;color:var(--ink-soft);letter-spacing:.04em}

/* footer */
footer{background:var(--ink);color:#cdd8e6;padding:3.5rem 0 2rem;margin-top:2rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-d);font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:.9rem}
.foot-brand img{width:34px;height:34px;border-radius:50%}
.foot-brand em{color:var(--green-lime)}
footer p{font-size:.86rem;color:#9fb2c6;max-width:22rem}
footer h5{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:.9rem}
footer li{margin-bottom:.5rem}
footer li a{font-size:.88rem;color:#a9bacd}
footer li a:hover{color:#fff}
.foot-base{border-top:1px solid rgba(255,255,255,.12);padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.72rem;color:#8ea1b6}

/* ---- content-page pieces ---- */
/* simple page hero (no image) */
.page-hero{padding:3.5rem 0 2rem}
.page-hero .lede{margin-top:1.2rem}

/* prose */
.prose{max-width:42rem}
.prose p{color:var(--ink-soft);margin-bottom:1.1rem}
.prose p strong,.prose strong{color:var(--ink)}
.prose h3{margin:2rem 0 .6rem}
.prose img{border-radius:16px;box-shadow:var(--shadow);margin:1.4rem 0}
.prose ul.disc{list-style:disc;margin:0 0 1.1rem 1.3rem;color:var(--ink-soft)}
.prose ul.disc li{margin-bottom:.5rem}

/* kit detail block */
.kit{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:2.4rem;box-shadow:var(--shadow);margin-bottom:1.6rem}
.kit-tag{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--font-b);font-weight:600;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;padding:.3rem .75rem;border-radius:999px}
.kit-1{background:rgba(47,168,79,.12);color:var(--green-deep);border:1px solid rgba(47,168,79,.25)}
.kit-2{background:rgba(47,90,208,.1);color:var(--blue);border:1px solid rgba(47,90,208,.22)}
.kit-3{background:rgba(235,162,58,.14);color:var(--amber-ink);border:1px solid rgba(235,162,58,.3)}
.kit-4{background:rgba(19,41,63,.06);color:var(--ink);border:1px solid rgba(19,41,63,.16)}
.kit-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:2.4rem;margin-top:1.6rem;align-items:start}
.kit-photo{width:100%;border-radius:14px;object-fit:cover;background:#fff;border:1px solid var(--line)}
.mini{font-family:var(--font-d);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.8rem}

/* contents list */
.contents{display:grid;gap:.5rem}
.contents li{display:flex;justify-content:space-between;gap:1rem;font-size:.9rem;padding:.55rem .85rem;background:var(--paper);border:1px solid var(--line);border-radius:10px}
.contents li span:last-child{font-family:var(--font-d);font-size:.78rem;color:var(--ink-soft);white-space:nowrap}

/* tags */
.tags{display:flex;flex-wrap:wrap;gap:.5rem}
.tags span{font-size:.76rem;font-weight:600;color:var(--ink-soft);background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:.3rem .8rem}

/* forms */
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:var(--font-d);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.45rem}
.field input,.field textarea,.field select{width:100%;font-family:var(--font-b);font-size:.95rem;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:10px;padding:.8rem 1rem;transition:border-color .3s,box-shadow .3s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(47,168,79,.12)}
.two-col{display:grid;grid-template-columns:0.9fr 1.1fr;gap:2.4rem;align-items:start}

/* value cards row */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}

@media (max-width:900px){
  .kit-grid,.two-col,.vals{grid-template-columns:1fr}
  .kit{padding:1.6rem}
}

/* lesson grid (learn page) */
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.lesson{display:block;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:1.5rem;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.lesson:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.lesson .st{display:inline-flex;font-family:var(--font-d);font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;padding:.26rem .6rem;border-radius:999px;background:rgba(47,168,79,.12);color:var(--green-deep);border:1px solid rgba(47,168,79,.25)}
.lesson .st.soon{background:rgba(19,41,63,.05);color:var(--ink-soft);border-color:var(--line)}
.lesson .st.grad{background:rgba(235,162,58,.14);color:var(--amber-ink);border-color:rgba(235,162,58,.3)}
.lesson .no{font-family:var(--font-d);font-size:.66rem;letter-spacing:.16em;color:var(--green-deep);text-transform:uppercase;margin:.8rem 0 .3rem}
.lesson h4{font-size:1.05rem;margin-bottom:.4rem}
.lesson p{font-size:.86rem;color:var(--ink-soft)}
.lesson .parts{font-family:var(--font-d);font-size:.64rem;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:.7rem;margin-top:.9rem}
@media (max-width:900px){.mgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.mgrid{grid-template-columns:1fr}}

/* verify result */
.result{margin-top:1.4rem;border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.3rem;background:var(--white)}
.result h4{margin-bottom:.4rem}
.result.ok{border-left:4px solid var(--green)}
.result.ok h4{color:var(--green-deep)}
.result.bad{border-left:4px solid #C0392B}
.result.bad h4{color:#C0392B}

/* certificate */
.cert{background:#fff;max-width:60rem;margin:0 auto;aspect-ratio:297/210;border-radius:14px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:3.5rem 4rem;border:1px solid var(--line)}
.cert::before{content:"";position:absolute;inset:1rem;border:2px solid rgba(47,168,79,.35);border-radius:8px;pointer-events:none}
.cert>*{position:relative}
.cert img.logo{width:66px;height:66px;border-radius:50%;margin:0 auto 1rem;box-shadow:var(--shadow)}
.cert .brand{font-family:var(--font-d);font-weight:700;letter-spacing:.12em}
.cert .brand em{font-style:normal;color:var(--green-deep)}
.cert .line{font-family:var(--font-d);font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft);margin:1.4rem 0 .5rem}
.cert .name{font-family:var(--font-d);font-size:clamp(1.7rem,4vw,3rem);color:var(--ink);border-bottom:1px solid var(--line);display:inline-block;padding:0 2rem .5rem}
.cert .lvl{font-family:var(--font-d);font-size:1.2rem;color:var(--green-deep);margin-top:.9rem}
.cert .meta{display:flex;justify-content:center;gap:2.5rem;margin-top:1.8rem;font-family:var(--font-d);font-size:.64rem;letter-spacing:.1em;color:var(--ink-soft)}
.cert .meta b{display:block;color:var(--ink);font-size:.8rem;margin-top:.2rem}
.cert .foot{margin-top:1.6rem;font-size:.72rem;color:var(--ink-soft)}
@media print{.head,.mobile-menu,footer,.no-print{display:none!important}body{background:#fff}.cert{box-shadow:none;border-radius:0;max-width:none}}
@media (max-width:640px){.cert{aspect-ratio:auto;padding:2rem 1.4rem}.cert .meta{flex-wrap:wrap;gap:1.2rem}}

/* ============================================================
   Gated lesson pages (ported from v1, recoloured)
   ============================================================ */
.atmosphere{display:none}
.section-tight{padding:3.5rem 0}
.shell{background:transparent}
.core{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:2rem;box-shadow:var(--shadow)}
.pack-desc{color:var(--ink-soft)}
.btn-orb{display:inline-flex}
.trace{height:3rem;position:relative;max-width:74rem;margin:0 auto}
.trace::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,var(--line),transparent)}
.trace::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;transform:translate(-50%,-50%);border-radius:50%;border:1.5px solid var(--green);background:var(--paper)}

.mission-doc{max-width:46rem;margin:0 auto}
.mission-doc h2{font-size:1.45rem;margin:2.6rem 0 1rem;display:flex;align-items:center;gap:.8rem}
.mission-doc p{color:var(--ink-soft);margin-bottom:1rem}
.mission-doc p strong,.mission-doc li strong{color:var(--ink)}
.mission-doc ol,.mission-doc ul{margin:0 0 1rem 1.3rem;color:var(--ink-soft)}
.mission-doc ol{list-style:decimal}.mission-doc ul{list-style:disc}
.mission-doc li{margin-bottom:.55rem}
.m-tag{font-family:var(--font-d);font-size:.62rem;letter-spacing:.16em;color:var(--green-deep);background:rgba(47,168,79,.1);border:1px solid rgba(47,168,79,.24);border-radius:999px;padding:.25rem .7rem;white-space:nowrap}

.concept-box{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:12px;padding:1.1rem 1.3rem;margin:1.3rem 0;box-shadow:var(--shadow)}
.concept-box h4{font-family:var(--font-d);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:.5rem}
.concept-box p{font-size:.9rem;margin-bottom:0}
.warn-box{border-left-color:var(--amber)}
.warn-box h4{color:var(--amber-ink)}

.wire-table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.88rem}
.wire-table th{font-family:var(--font-d);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);text-align:left;padding:.5rem .9rem;border-bottom:2px solid var(--line)}
.wire-table td{padding:.6rem .9rem;border-bottom:1px solid var(--line)}
.wire-table td:first-child{font-family:var(--font-d);font-size:.8rem;color:var(--green-deep)}

.code-block{background:#0E2033;color:#D8E4F5;font-family:"JetBrains Mono",monospace;font-size:.8rem;line-height:1.7;border-radius:12px;padding:1.3rem 1.5rem;overflow-x:auto;margin:1.2rem 0;box-shadow:var(--shadow)}
.code-block .cm{color:#7f95b0}.code-block .kw{color:#7FB4FF}.code-block .fn{color:#5EDBB4}.code-block .num{color:#F6C177}

.gated{display:none}
body.unlocked .gated{display:block}
body.unlocked .gate-panel{display:none}
.gate-panel{max-width:30rem;margin:0 auto}
.gate-error{font-size:.84rem;color:#C0392B;min-height:1.3rem;margin:.5rem 0}
.licensee-bar{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--font-d);font-size:.64rem;letter-spacing:.1em;color:var(--ink-soft);border:1px dashed var(--line);border-radius:10px;padding:.6rem 1rem;margin-bottom:1.6rem}
.licensee-bar b{color:var(--green-deep)}
.audio-slot{display:flex;flex-direction:column;gap:.5rem;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;margin-bottom:1.6rem;box-shadow:var(--shadow)}
.audio-slot[hidden]{display:none}
.audio-slot span{font-family:var(--font-d);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.audio-slot audio{width:100%}

.no-print{}
@media print{
  .head,.mobile-menu,footer,.no-print,.gate-panel{display:none!important}
  body{background:#fff}
  .core,.concept-box,.audio-slot{box-shadow:none}
  .code-block{background:#f2f5fa;color:#1b2940}
  .code-block .cm{color:#66788f}.code-block .kw{color:#2b4fd8}.code-block .fn{color:#0d7a5c}.code-block .num{color:#9a6a12}
  .mission-doc::after{content:"© STEMRIFT · Licensed to " attr(data-licensee) " · Personal use only · stemrift.co.za";display:block;margin-top:2rem;font-family:"JetBrains Mono",monospace;font-size:.62rem;color:#8b98a9;border-top:1px solid #ddd;padding-top:.8rem}
}

/* reveal */
.reveal{opacity:0;transform:translateY(1.6rem);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}

a:focus-visible,button:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}

/* ---- responsive ---- */
@media (max-width:900px){
  .hero-grid,.starter,.band-grid,.press-grid{grid-template-columns:1fr}
  .ladder,.steps,.reviews,.proof{grid-template-columns:repeat(2,1fr)}
  .proof div:nth-child(2){border-right:none}
  .proof div:nth-child(1),.proof div:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .starter .pic img{min-height:240px}
}
@media (max-width:640px){
  .head nav,.head .btn{display:none}
  .burger{display:block}
  .mobile-menu{display:block;position:fixed;inset:68px 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);padding:1rem 1.5rem;transform:translateY(-120%);transition:transform .5s var(--ease);z-index:39}
  body.menu-open .mobile-menu{transform:translateY(0)}
  .mobile-menu a{display:block;padding:.7rem 0;font-weight:600;border-bottom:1px solid var(--line-soft)}
  .section{padding:3.5rem 0}
  .ladder,.steps,.reviews,.proof{grid-template-columns:1fr}
  .proof div{border-right:none;border-bottom:1px solid var(--line)}
  .proof div:last-child{border-bottom:none}
  .foot-grid{grid-template-columns:1fr}
  .band{padding:2.4rem 1.6rem}
  .starter .body{padding:1.6rem}
}