/* ============================================================================
   منصة المصطفى التعليمية — تحت إشراف د. مصطفى عشوش
   Premium · Nagwa-style organization · Dark + Light · Almarai (المراعي)
   ============================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Almarai:wght@300;400;700;800&display=swap');

/* ------------------------------------------------------------------ tokens */
:root{
  --font:"Almarai",system-ui,sans-serif;
  --display:"Almarai",system-ui,sans-serif;
  --maxw:1240px; --gutter:clamp(16px,4vw,42px);
  --r-sm:12px; --r:16px; --r-lg:22px; --r-xl:30px; --r-pill:999px;
  --ease:cubic-bezier(.22,1,.36,1);

  /* brand + categories */
  --brand:#5b4bff; --brand2:#8b5cf6; --pink:#ec4899; --rose:#f43f5e;
  --blue:#3b82f6; --violet:#8b5cf6; --amber:#f59e0b; --emerald:#10b981;
  --teal:#14b8a6; --cyan:#06b6d4; --orange:#f97316; --purple:#a855f7;
  --indigo:#6366f1; --green:#22c55e; --brown:#b45309; --sky:#0ea5e9;
  --grad:linear-gradient(120deg,#6d5cff,#a855f7 55%,#ec4899);
}
:root,:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f5f6fb; --bg2:#eef0f8; --panel:#ffffff; --panel2:#fbfcff;
  --ink:#14161f; --soft:#565d6d; --mute:#8b93a4; --line:rgba(20,22,34,.10);
  --line2:rgba(20,22,34,.16); --shadow:0 18px 44px -26px rgba(30,32,60,.34);
  --shadow-sm:0 8px 22px -14px rgba(30,32,60,.26); --hero-ink:#fff;
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0c0e15; --bg2:#0a0c12; --panel:#141824; --panel2:#171c2a;
  --ink:#eef1f8; --soft:#a9b1c4; --mute:#727b90; --line:rgba(255,255,255,.09);
  --line2:rgba(255,255,255,.16); --shadow:0 24px 54px -28px rgba(0,0,0,.8);
  --shadow-sm:0 12px 30px -18px rgba(0,0,0,.7); --hero-ink:#fff;
}
@media(prefers-color-scheme:dark){:root:not([data-theme]){
  color-scheme:dark;
  --bg:#0c0e15;--bg2:#0a0c12;--panel:#141824;--panel2:#171c2a;--ink:#eef1f8;--soft:#a9b1c4;--mute:#727b90;
  --line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16);--shadow:0 24px 54px -28px rgba(0,0,0,.8);--shadow-sm:0 12px 30px -18px rgba(0,0,0,.7);
}}

/* ------------------------------------------------------------------ reset */
*,*::before,*::after{box-sizing:border-box}*{margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:clamp(15px,1.02vw,16.5px);line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .45s var(--ease),color .45s var(--ease)}
img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{list-style:none;padding:0}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.2;letter-spacing:-.01em}
::selection{background:var(--brand);color:#fff}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.sec{padding-block:clamp(40px,6vw,80px)}
.center{text-align:center}

/* ------------------------------------------------------------------ buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-weight:600;font-size:.96rem;
  padding:.78rem 1.5rem;border-radius:var(--r-pill);transition:transform .2s var(--ease),box-shadow .3s,background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn svg{width:1.15em;height:1.15em}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -12px color-mix(in srgb,var(--brand) 70%,transparent)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px -12px color-mix(in srgb,var(--brand) 75%,transparent)}
.btn-light{background:#fff;color:var(--brand)}.btn-light:hover{transform:translateY(-3px)}
.btn-ghost{border:1px solid var(--line2);color:var(--ink);background:var(--panel)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}
.btn-glass{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.12);backdrop-filter:blur(8px)}
.btn-glass:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-sm{padding:.55rem 1.1rem;font-size:.88rem}

/* ------------------------------------------------------------------ header */
.hdr{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.topbar{border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:1.2rem;height:40px;font-size:.82rem;color:var(--soft)}
.topbar a{transition:color .2s}.topbar a:hover{color:var(--brand)}
.topbar .stax{display:inline-flex;align-items:center;gap:.4rem;color:var(--brand);font-weight:600}
.topbar .sp{margin-inline-start:auto}
.nav{display:flex;align-items:center;gap:1.4rem;height:66px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--display);font-weight:800;font-size:1.28rem}
.brand .mk{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--grad);color:#fff;box-shadow:0 8px 20px -8px color-mix(in srgb,var(--brand) 70%,transparent);font-size:1.2rem}
.brand small{display:block;font-family:var(--font);font-size:.62rem;color:var(--mute);font-weight:500;letter-spacing:.02em}
.menu{display:flex;align-items:center;gap:.3rem;margin-inline-start:auto}
.menu a{padding:.5rem .85rem;border-radius:10px;font-weight:600;font-size:.94rem;color:var(--soft);transition:.2s}
.menu a:hover,.menu a.active{color:var(--ink);background:color-mix(in srgb,var(--brand) 10%,transparent)}
.nav-actions{display:flex;align-items:center;gap:.5rem}
.tgl{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line2);background:var(--panel);transition:.3s var(--ease)}
.tgl:hover{color:var(--brand);border-color:var(--brand);transform:rotate(-18deg)}
.tgl svg{width:19px;height:19px}.tgl .sun{display:none}
:root[data-theme="dark"] .tgl .sun{display:block}:root[data-theme="dark"] .tgl .moon{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme]) .tgl .sun{display:block}:root:not([data-theme]) .tgl .moon{display:none}}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line2);place-items:center;background:var(--panel)}
.burger span,.burger span::before,.burger span::after{content:"";display:block;width:18px;height:2px;background:currentColor;border-radius:2px;transition:.3s}
.burger span{position:relative}.burger span::before{position:absolute;top:-6px}.burger span::after{position:absolute;top:6px}
body.nav-open .burger span{background:transparent}
body.nav-open .burger span::before{top:0;transform:rotate(45deg)}body.nav-open .burger span::after{top:0;transform:rotate(-45deg)}

/* ------------------------------------------------------------------ hero */
.hero{position:relative;overflow:hidden;background:var(--grad);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 12% 20%,rgba(255,255,255,.22),transparent 60%),radial-gradient(600px 400px at 90% 90%,rgba(0,0,0,.18),transparent 60%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;padding-block:clamp(40px,6vw,72px)}
.hero-copy h1{font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.06;margin-bottom:.6rem}
.hero-copy .tag{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);padding:.4rem 1rem;border-radius:var(--r-pill);font-size:.82rem;font-weight:600;margin-bottom:1.1rem;backdrop-filter:blur(6px)}
.hero-copy p{font-size:clamp(1rem,1.5vw,1.16rem);max-width:52ch;color:rgba(255,255,255,.92);margin-bottom:1.5rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-art{position:relative;aspect-ratio:1;display:grid;place-items:center}
.hero-art .blob{position:absolute;inset:8%;border-radius:46% 54% 60% 40%/50% 46% 54% 50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);animation:morph 12s var(--ease) infinite}
@keyframes morph{50%{border-radius:56% 44% 40% 60%/46% 58% 42% 54%}}
.hero-art .em{position:relative;font-size:clamp(4rem,10vw,7rem);filter:drop-shadow(0 12px 24px rgba(0,0,0,.25))}
.hero-float{position:absolute;background:#fff;color:var(--ink);border-radius:14px;padding:.6rem .8rem;box-shadow:0 16px 34px -16px rgba(0,0,0,.4);display:flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:600;animation:bob 6s var(--ease) infinite}
.hero-float .ic{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:#fff}
.hero-float.f1{top:8%;inset-inline-start:-2%}.hero-float.f2{bottom:12%;inset-inline-end:-4%;animation-delay:-3s}
@keyframes bob{50%{transform:translateY(-12px)}}

/* search bar */
.hero-search{margin-top:1.5rem;display:flex;background:#fff;border-radius:var(--r-pill);padding:.4rem;box-shadow:0 18px 40px -18px rgba(0,0,0,.4);max-width:520px}
.hero-search input{flex:1;border:0;background:none;padding:.6rem 1rem;font:inherit;color:#14161f;outline:none}
.hero-search button{border-radius:var(--r-pill);padding:.6rem 1.3rem;background:var(--grad);color:#fff;font-weight:600}

/* ------------------------------------------------------------- stage header */
.stage-head{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.35rem;margin-bottom:32px;position:relative;--c:var(--brand)}
.stage-head::before{content:"";position:absolute;top:-10px;width:220px;height:120px;border-radius:50%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--c) 22%,transparent),transparent);filter:blur(8px);opacity:.7;z-index:-1;
  transform:scale(.4);transition:transform .7s var(--ease),opacity .7s}
.stage-head.in::before{transform:scale(1)}
.stage-head .sh-ic{width:66px;height:66px;border-radius:20px;display:grid;place-items:center;font-size:1.9rem;color:#fff;
  background:linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 60%,#000 8%));
  box-shadow:0 16px 30px -12px color-mix(in srgb,var(--c) 65%,transparent);
  transform:scale(.5) rotate(-12deg);opacity:0;transition:transform .55s var(--ease),opacity .5s}
.stage-head.in .sh-ic{transform:none;opacity:1}
.stage-head:hover .sh-ic{transform:translateY(-4px) rotate(4deg)}
.stage-head .sh-t{transform:translateY(14px);opacity:0;transition:transform .55s var(--ease) .1s,opacity .55s .1s}
.stage-head.in .sh-t{transform:none;opacity:1}
.stage-head h2{font-size:clamp(1.5rem,3.2vw,2.2rem);margin:0;color:var(--c)}
.stage-head .sh-sub{color:var(--mute);font-size:.92rem;font-weight:600}
.stage-head .sh-line{width:90px;height:5px;border-radius:5px;margin-top:8px;
  background:linear-gradient(90deg,transparent,var(--c),transparent);transform:scaleX(0);transition:transform .7s var(--ease) .25s}
.stage-head.in .sh-line{transform:scaleX(1)}
/* stage color classes */
.sl-pink{--c:var(--pink)} .sl-blue{--c:var(--blue)} .sl-emerald{--c:var(--emerald)}
.sl-teal{--c:var(--teal)} .sl-violet{--c:var(--violet)} .sl-indigo{--c:var(--indigo)}
.sl-amber{--c:#d97706} :root[data-theme="dark"] .sl-amber{--c:var(--amber)}

.sec-head{max-width:640px;margin-inline:auto;text-align:center;margin-bottom:36px}
.sec-head .ey{font-weight:600;color:var(--brand);font-size:.86rem;letter-spacing:.04em}
.sec-head h2{font-size:clamp(1.6rem,3.4vw,2.4rem);margin:.5rem 0}
.sec-head p{color:var(--soft)}

/* ------------------------------------------------------------- grade cards */
.grade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grade-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.grade-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line2)}
.gc-head{display:flex;align-items:center;gap:.7rem;padding:16px 20px;border-bottom:1px solid var(--line)}
.gc-head .num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:700;font-family:var(--display);flex:none}
.gc-head b{font-size:1.06rem;font-weight:700;font-family:var(--display)}
.gc-rows{padding:6px 8px}
.subj-row{display:flex;align-items:center;gap:.7rem;padding:9px 12px;border-radius:12px;transition:background .2s}
.subj-row:hover{background:color-mix(in srgb,var(--brand) 7%,transparent)}
.subj-ic{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:#fff;font-weight:700;flex:none;font-size:.9rem}
.subj-row .m{flex:1;min-width:0}
.subj-row .m b{display:block;font-weight:600;font-size:.94rem}
.subj-row .m small{color:var(--mute);font-size:.74rem}
.subj-row .go{color:var(--mute);opacity:0;transition:.2s}
.subj-row:hover .go{opacity:1;color:var(--brand)}

/* ------------------------------------------------------------- subject/track tiles */
.tile-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s;display:flex;flex-direction:column;gap:.5rem}
.tile:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.tile .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:1.5rem;margin-bottom:.4rem}
.tile h3{font-size:1.12rem}.tile p{color:var(--soft);font-size:.9rem}
.tile .meta{margin-top:auto;padding-top:.7rem;color:var(--mute);font-size:.82rem;display:flex;gap:1rem}

/* ------------------------------------------------------------- teachers */
.teacher-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.teacher{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s}
.teacher:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.teacher .av{width:78px;height:78px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;color:#fff;font-size:1.8rem;font-weight:700;font-family:var(--display)}
.teacher h3{font-size:1.08rem}.teacher .role{color:var(--brand);font-size:.86rem;font-weight:600;margin-top:2px}
.teacher .st{display:flex;justify-content:center;gap:1.2rem;margin-top:12px;color:var(--mute);font-size:.8rem}
.teacher .st b{color:var(--ink)}

/* ------------------------------------------------------------- stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;text-align:center;box-shadow:var(--shadow-sm)}
.stat b{font-family:var(--display);font-size:clamp(1.8rem,4vw,2.6rem);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;color:var(--soft);margin-top:4px;font-size:.92rem}

/* ------------------------------------------------------------- testimonials */
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tst{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px}
.tst .stars{color:var(--amber)}
.tst p{color:var(--ink)}
.tst .who{display:flex;align-items:center;gap:.7rem;margin-top:auto}
.tst .who .av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;background:var(--grad)}
.tst .who small{color:var(--mute);display:block}

/* ------------------------------------------------------------- cta band */
.cta{background:var(--grad);color:#fff;border-radius:var(--r-xl);padding:clamp(34px,5vw,60px);text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 0,rgba(255,255,255,.2),transparent 60%)}
.cta>*{position:relative}
.cta h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.6rem}
.cta p{color:rgba(255,255,255,.92);max-width:46ch;margin:0 auto 1.6rem}
.cta .row{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}

/* ------------------------------------------------------------- footer */
.ftr{border-top:1px solid var(--line);background:var(--panel2);padding-block:clamp(40px,5vw,64px) 28px;margin-top:40px}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:26px}
.ftr p{color:var(--soft);font-size:.9rem;max-width:34ch;margin-top:12px}
.ftr h4{font-size:.98rem;margin-bottom:12px}
.ftr .col a{display:block;color:var(--soft);padding:5px 0;font-size:.9rem;transition:.2s}.ftr .col a:hover{color:var(--brand)}
.socials{display:flex;gap:.5rem;margin-top:14px}
.socials a{width:40px;height:40px;border-radius:11px;border:1px solid var(--line2);display:grid;place-items:center;color:var(--soft);transition:.25s var(--ease)}
.socials a:hover{color:#fff;background:var(--grad);border-color:transparent;transform:translateY(-3px)}
.socials svg{width:19px;height:19px}
.ftr-btm{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);text-align:center;color:var(--mute);font-size:.84rem}

/* ------------------------------------------------------------- page hero (inner) */
.page-hero{background:var(--grad);color:#fff;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 0,rgba(255,255,255,.18),transparent 60%)}
.page-hero .wrap{position:relative;padding-block:clamp(36px,5vw,60px)}
.crumbs{font-size:.84rem;color:rgba(255,255,255,.85);margin-bottom:10px}.crumbs a{opacity:.9}.crumbs a:hover{text-decoration:underline}
.page-hero h1{font-size:clamp(1.8rem,4.4vw,3rem);margin-bottom:.4rem}
.page-hero p{color:rgba(255,255,255,.92);max-width:60ch}

/* detail layouts */
.split{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(18px,2.5vw,26px);box-shadow:var(--shadow-sm)}
.unit{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:12px;background:var(--panel)}
.unit .uh{width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:16px 20px;font-weight:600;text-align:start}
.unit .uh .ic{width:28px;height:28px;border-radius:8px;border:1px solid var(--line2);display:grid;place-items:center;color:var(--brand);transition:.3s}
.unit.open .uh .ic{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:transparent}
.unit .ub{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.lesson{display:flex;align-items:center;gap:.7rem;padding:12px 20px;border-top:1px solid var(--line);color:var(--soft);transition:background .2s}
.lesson:hover{background:color-mix(in srgb,var(--brand) 6%,transparent)}
.lesson .li{color:var(--brand)}.lesson .lt{flex:1}.lesson .ld{color:var(--mute);font-size:.8rem}
.enroll{position:sticky;top:90px}
.enroll .price{font-family:var(--display);font-size:2rem;font-weight:800}
.enroll .price s{color:var(--mute);font-size:1.1rem;font-weight:500;margin-inline-start:8px}
.enroll ul{display:grid;gap:.6rem;margin:14px 0}
.enroll li{display:flex;gap:.5rem;color:var(--soft);font-size:.92rem}.enroll li::before{content:"✓";color:var(--emerald);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:12px}
.chip{font-size:.82rem;padding:.35rem .8rem;border-radius:var(--r-pill);background:color-mix(in srgb,var(--brand) 10%,transparent);color:var(--brand);font-weight:600}

/* form */
.field{display:grid;gap:.4rem;margin-bottom:14px}
.field label{font-weight:600;font-size:.88rem}
.field input,.field textarea,.field select{width:100%;padding:.8rem 1rem;border-radius:var(--r-sm);border:1px solid var(--line2);background:var(--panel2);color:var(--ink);font:inherit}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
.field textarea{min-height:120px;resize:vertical}
.form-note{color:var(--emerald);font-weight:600;margin-top:10px}
.info-row{display:flex;gap:.9rem;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.info-row:last-child{border:0}
.info-row .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);flex:none}
.info-row small{color:var(--mute);display:block;font-size:.8rem}.info-row b{font-weight:600}

/* ------------------------------------------------------------- reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}*,*::before,*::after{animation:none!important;transition-duration:.01ms!important}}

/* ---------------------------------------------------------- micro interactions */
.subj-ic{transition:transform .28s var(--ease),box-shadow .28s}
.subj-row:hover .subj-ic{transform:scale(1.14) rotate(-6deg)}
.subj-row .go{transform:translateX(6px);transition:opacity .2s,transform .25s var(--ease)}
.subj-row:hover .go{transform:translateX(0)}
.gc-head .num{transition:transform .3s var(--ease)}
.grade-card:hover .gc-head .num{transform:scale(1.12) rotate(-8deg)}
.tile .ic{transition:transform .32s var(--ease)}
.tile:hover .ic{transform:rotate(-8deg) scale(1.1)}
.teacher .av{transition:transform .32s var(--ease),box-shadow .3s}
.teacher:hover .av{transform:scale(1.08) rotate(3deg)}
.stat b{display:inline-block;transition:transform .32s var(--ease)}
.stat:hover b{transform:translateY(-4px)}
.hero-search input{transition:none}
.hero-search{transition:box-shadow .3s var(--ease),transform .3s var(--ease)}
.hero-search:focus-within{transform:translateY(-2px);box-shadow:0 24px 50px -18px rgba(0,0,0,.5)}
/* button sheen */
.btn{position:relative;overflow:hidden}
.btn>*{position:relative;z-index:1}
.btn::after{content:"";position:absolute;top:0;bottom:0;width:42%;z-index:0;
  background:linear-gradient(110deg,transparent,rgba(255,255,255,.4),transparent);
  transform:translateX(-260%) skewX(-18deg);transition:transform .7s var(--ease)}
.btn:hover::after{transform:translateX(260%) skewX(-18deg)}
.btn-ghost::after{background:linear-gradient(110deg,transparent,color-mix(in srgb,var(--brand) 22%,transparent),transparent)}
/* nav underline */
.menu a{position:relative}
.menu a::before{content:"";position:absolute;inset-inline:14px 14px;bottom:5px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:right;transition:transform .28s var(--ease)}
.menu a:hover::before,.menu a.active::before{transform:scaleX(1);transform-origin:left}
.brand .mk{transition:transform .4s var(--ease)}
.brand:hover .mk{transform:rotate(-8deg) scale(1.06)}

/* ------------------------------------------------------------- responsive */
@media(max-width:1000px){
  .hero .wrap{grid-template-columns:1fr}.hero-art{order:-1;max-width:340px;margin-inline:auto}
  .grade-grid{grid-template-columns:1fr 1fr}
  .tile-grid,.teacher-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}.tst-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}.enroll{position:static}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .menu{display:none}
}
@media(max-width:600px){
  .topbar{display:none}
  .grade-grid,.tile-grid,.teacher-grid,.stats,.ftr-grid{grid-template-columns:1fr}
  .burger{display:grid}
  .menu{position:fixed;inset:66px 12px auto 12px;flex-direction:column;align-items:stretch;gap:.2rem;padding:1rem;
    background:var(--panel);border:1px solid var(--line2);border-radius:var(--r-lg);box-shadow:var(--shadow);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s var(--ease);display:flex}
  body.nav-open .menu{transform:none;opacity:1;pointer-events:auto}
  .menu a{padding:.8rem 1rem}
  .hero-cta .btn{flex:1 1 100%}
  .brand small{display:none}
}
.hide-sm{}@media(max-width:600px){.hide-sm{display:none}}