/* =====================================================================
   MI Cokroaminoto Rejasa — Theme (Tosca & White, soft & modern)
   ===================================================================== */
:root{
  --teal:#15A99A;
  --teal-600:#0F9488;
  --teal-700:#0C7A74;
  --teal-800:#0A5E5A;
  --teal-50:#EAF7F5;
  --teal-100:#D6F0ED;
  --mint:#F3FBFA;
  --gold:#E9A23B;
  --ink:#16302E;
  --body:#425551;
  --muted:#7C908D;
  --line:#E4EFEC;
  --white:#FFFFFF;
  --bg:#FFFFFF;
  --bg-soft:#F6FBFA;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 2px 10px rgba(16,148,136,.06);
  --shadow:0 12px 34px rgba(12,122,116,.10);
  --shadow-lg:0 24px 60px rgba(12,122,116,.16);
  --font-head:'Plus Jakarta Sans',system-ui,sans-serif;
  --font-body:'Manrope',system-ui,sans-serif;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);color:var(--body);background:var(--bg);
  line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);color:var(--ink);line-height:1.18;font-weight:700;letter-spacing:-.02em}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block}
ul{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section-sm{padding:48px 0}
::selection{background:var(--teal);color:#fff}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;
  font-size:.95rem;padding:.8rem 1.5rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background-color .2s,color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(21,169,154,.28)}
.btn-primary:hover{background:var(--teal-700);transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,169,154,.38)}
.btn-ghost{background:#fff;color:var(--teal-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-700);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--teal-700)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-sm{padding:.55rem 1.1rem;font-size:.85rem}
.btn-block{width:100%;justify-content:center}

/* Section heads */
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;color:var(--teal-700);font-family:var(--font-head);
  font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;
  background:var(--teal-50);padding:.4rem .9rem;border-radius:999px}
.section-head{max-width:680px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.6rem);margin:.8rem 0 .5rem}
.section-head p{color:var(--muted);font-size:1.02rem}

/* ---------- Header / Nav ---------- */
.topbar{background:var(--teal-800);color:#cdeeea;font-size:.82rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;gap:1rem}
.topbar a{color:#cdeeea}.topbar a:hover{color:#fff}
.topbar .tb-left{display:flex;gap:1.4rem;align-items:center}
.topbar .tb-social{display:flex;gap:.9rem}
.topbar i{color:var(--teal)}
.topbar .tb-social i{color:#aee4de}

.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;flex-shrink:0}
.brand img{height:46px;width:auto}
.brand .bt{line-height:1.1}
.brand .bt b{font-family:var(--font-head);font-size:1.02rem;color:var(--ink);display:block;letter-spacing:-.02em}
.brand .bt span{font-size:.72rem;color:var(--muted)}
.nav-menu{display:flex;align-items:center;gap:.25rem;list-style:none}
.nav-menu>li{position:relative}
.nav-menu>li>a{display:flex;align-items:center;gap:.3rem;font-family:var(--font-head);font-weight:600;
  font-size:.93rem;color:var(--ink);padding:.6rem .85rem;border-radius:10px}
.nav-menu>li>a:hover,.nav-menu>li.active>a{color:var(--teal-700);background:var(--teal-50)}
.nav-menu .caret{font-size:.6rem;opacity:.6;transition:transform .2s}
.nav-menu>li:hover .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow);padding:.5rem;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .22s ease;z-index:50}
.nav-menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:flex;align-items:center;gap:.6rem;padding:.6rem .75rem;border-radius:9px;font-size:.9rem;
  font-family:var(--font-head);font-weight:500;color:var(--body)}
.dropdown a:hover{background:var(--teal-50);color:var(--teal-700)}
.dropdown a i{color:var(--teal);width:16px;font-size:.85rem}
.nav-actions{display:flex;align-items:center;gap:.5rem}
.icon-btn{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;transition:.2s}
.icon-btn:hover{border-color:var(--teal);color:var(--teal-700);background:var(--teal-50)}
.hamburger{display:none}

/* Search overlay */
.search-overlay{position:fixed;inset:0;background:rgba(10,94,90,.4);backdrop-filter:blur(6px);z-index:200;
  display:none;align-items:flex-start;justify-content:center;padding-top:16vh}
.search-overlay.open{display:flex}
.search-box{width:min(620px,92vw);background:#fff;border-radius:18px;padding:1rem;box-shadow:var(--shadow-lg);animation:popIn .3s}
.search-box form{display:flex;gap:.5rem}
.search-box input{flex:1;border:1.5px solid var(--line);border-radius:12px;padding:.9rem 1rem;font-size:1rem;font-family:var(--font-body)}
.search-box input:focus{outline:none;border-color:var(--teal)}

/* Mobile nav */
.mobile-nav{position:fixed;top:0;right:0;height:100vh;width:min(340px,86vw);background:#fff;z-index:210;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-lg);
  overflow-y:auto;padding:1.3rem}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav .mn-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.mobile-nav a{display:block;padding:.75rem .4rem;font-family:var(--font-head);font-weight:600;color:var(--ink);border-radius:8px}
.mobile-nav a:hover{color:var(--teal-700)}
.mobile-nav .mn-sub a{font-weight:500;font-size:.9rem;padding-left:1.2rem;color:var(--body)}
.mn-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;padding:.75rem .4rem;background:none;border:0;
  font-family:var(--font-head);font-weight:600;font-size:1rem;color:var(--ink);cursor:pointer;border-radius:8px;text-align:left}
.mn-toggle i{font-size:.7rem;opacity:.6;transition:transform .25s}
.mn-toggle:hover,.mn-item.open .mn-toggle{color:var(--teal-700)}
.mn-item.open .mn-toggle i{transform:rotate(180deg)}
.mobile-nav .mn-sub{max-height:0;overflow:hidden;transition:max-height .3s ease}
.mn-item.open .mn-sub{max-height:600px}
.mobile-nav .mn-sub a.current{color:var(--teal-700);background:var(--teal-50);font-weight:700;box-shadow:inset 3px 0 0 var(--teal)}
.mn-group>b{display:block;padding:.75rem .4rem;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-family:var(--font-head)}
.overlay-bg{position:fixed;inset:0;background:rgba(10,48,46,.45);z-index:205;display:none}
.overlay-bg.open{display:block}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden}
.hero-slide{position:relative;min-height:88vh;display:flex;align-items:center;
  background-size:cover;background-position:center;display:none}
.hero-slide.active{display:flex;animation:fadeIn .9s}
.hero-slide::before{content:'';position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,94,90,.90) 0%,rgba(12,122,116,.72) 42%,rgba(10,94,90,.25) 100%)}
.hero-content{position:relative;z-index:2;color:#fff;max-width:660px}
.hero-content .eyebrow{background:rgba(255,255,255,.16);color:#eafaf8}
.hero-content h1{color:#fff;font-size:clamp(2.1rem,5.2vw,3.7rem);margin:1.1rem 0 1rem}
.hero-content p{color:#dff3f0;font-size:1.1rem;max-width:560px;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:34px;left:0;right:0;z-index:3;display:flex;gap:.5rem;justify-content:center}
.hero-dots button{width:11px;height:11px;border-radius:999px;border:none;background:rgba(255,255,255,.45);cursor:pointer;transition:.25s}
.hero-dots button.active{width:30px;background:#fff}
.hero-arrow{position:absolute;top:50%;z-index:3;transform:translateY(-50%);width:48px;height:48px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;cursor:pointer;display:grid;place-items:center;transition:.25s}
.hero-arrow:hover{background:#fff;color:var(--teal-700)}
.hero-arrow.prev{left:24px}.hero-arrow.next{right:24px}

/* ---------- Stat cards ---------- */
.stats-wrap{margin-top:-58px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.4rem;
  box-shadow:var(--shadow);text-align:center;transition:transform .25s,box-shadow .25s}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat-card .ic{width:54px;height:54px;border-radius:14px;background:var(--teal-50);color:var(--teal-700);
  display:grid;place-items:center;margin:0 auto .8rem;font-size:1.3rem}
.stat-card .num{font-family:var(--font-head);font-size:2.1rem;font-weight:800;color:var(--ink);line-height:1}
.stat-card .lbl{color:var(--muted);font-size:.9rem;margin-top:.35rem}

/* ---------- Welcome ---------- */
.welcome-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:center}
.welcome-photo{position:relative}
.welcome-photo img{width:100%;border-radius:22px;box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover}
.welcome-photo .badge{position:absolute;bottom:-18px;left:50%;transform:translateX(-50%);background:#fff;
  border-radius:14px;padding:.8rem 1.4rem;box-shadow:var(--shadow);text-align:center;white-space:nowrap}
.welcome-photo .badge b{display:block;color:var(--ink);font-family:var(--font-head)}
.welcome-photo .badge span{font-size:.8rem;color:var(--teal-700)}
.welcome-text .rich{color:var(--body);margin:1rem 0 1.4rem}
.welcome-text .rich p{margin-bottom:.8rem}

/* ---------- Cards grid ---------- */
.grid{display:grid;gap:1.5rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--teal-50)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.07)}
.card .tag{position:absolute;top:12px;left:12px;background:#fff;color:var(--teal-700);font-family:var(--font-head);
  font-weight:600;font-size:.72rem;padding:.3rem .7rem;border-radius:999px;box-shadow:var(--shadow-sm);text-transform:capitalize}
.card .body{padding:1.3rem;display:flex;flex-direction:column;flex:1}
.card .meta{font-size:.78rem;color:var(--muted);display:flex;gap:.8rem;margin-bottom:.5rem;align-items:center}
.card .meta i{color:var(--teal)}
.card h3{font-size:1.1rem;margin-bottom:.5rem}
.card h3 a:hover{color:var(--teal-700)}
.card p{font-size:.9rem;color:var(--muted);flex:1}
.card .more{margin-top:.9rem;color:var(--teal-700);font-family:var(--font-head);font-weight:600;font-size:.86rem;display:inline-flex;gap:.4rem;align-items:center}
.card:hover .more i{transform:translateX(4px)}
.card .more i{transition:transform .2s}

/* Program cards (icon) */
.prog-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;transition:.28s;position:relative;overflow:hidden}
.prog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.prog-card .ic{width:58px;height:58px;border-radius:16px;background:var(--teal-50);color:var(--teal-700);display:grid;place-items:center;font-size:1.4rem;margin-bottom:1rem;transition:.3s}
.prog-card:hover .ic{background:var(--teal);color:#fff}
.prog-card h3{font-size:1.15rem;margin-bottom:.5rem}
.prog-card p{color:var(--muted);font-size:.92rem}

/* Ekskul card */
.ekskul-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;box-shadow:var(--shadow-sm);transition:.3s}
.ekskul-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.ekskul-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ekskul-card:hover img{transform:scale(1.08)}
.ekskul-card .ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,94,90,.92),rgba(10,94,90,.25) 55%,transparent);
  display:flex;flex-direction:column;justify-content:flex-end;padding:1.3rem;color:#fff}
.ekskul-card .ov h3{color:#fff;font-size:1.15rem}
.ekskul-card .ov .info{font-size:.8rem;color:#d7f2ef;margin-top:.3rem;display:flex;flex-direction:column;gap:.2rem}
.ekskul-card .ov .info i{color:#9fe3db;width:14px}

/* GTK slider */
.gtk-slider{display:flex;gap:1.3rem;overflow-x:auto;scroll-snap-type:x mandatory;padding:.5rem 2px 1.4rem;scrollbar-width:thin}
.gtk-slider::-webkit-scrollbar{height:6px}
.gtk-slider::-webkit-scrollbar-thumb{background:var(--teal-100);border-radius:9px}
.gtk-card{flex:0 0 220px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;transition:.28s;text-align:center}
.gtk-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.gtk-card .ph{aspect-ratio:1;overflow:hidden;background:var(--teal-50)}
.gtk-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gtk-card:hover .ph img{transform:scale(1.07)}
.gtk-card .bd{padding:1rem}
.gtk-card .bd b{font-family:var(--font-head);color:var(--ink);font-size:1rem;display:block}
.gtk-card .bd span{color:var(--teal-700);font-size:.82rem}

/* Testimonials */
.testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;position:relative}
.testi-card .quote{font-size:2.4rem;color:var(--teal-100);font-family:Georgia,serif;line-height:.6;position:absolute;top:1.2rem;right:1.4rem}
.testi-card .stars{color:var(--gold);margin-bottom:.7rem;font-size:.85rem}
.testi-card p{color:var(--body);font-size:.95rem;font-style:italic;margin-bottom:1.1rem}
.testi-card .who{display:flex;align-items:center;gap:.8rem}
.testi-card .who img{width:46px;height:46px;border-radius:50%;object-fit:cover}
.testi-card .who b{font-family:var(--font-head);color:var(--ink);display:block;font-size:.95rem}
.testi-card .who span{color:var(--muted);font-size:.8rem}

/* Instagram */
.ig-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.8rem}
.ig-item{position:relative;aspect-ratio:1;border-radius:14px;overflow:hidden}
.ig-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ig-item:hover img{transform:scale(1.1)}
.ig-item .ig-ov{position:absolute;inset:0;background:rgba(10,94,90,.55);display:grid;place-items:center;color:#fff;opacity:0;transition:.3s}
.ig-item:hover .ig-ov{opacity:1}

/* Achievements */
.ach-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.ach-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.ach-card .thumb{aspect-ratio:4/3;position:relative;overflow:hidden;background:var(--teal-50)}
.ach-card .thumb img{width:100%;height:100%;object-fit:cover}
.ach-card .lvl{position:absolute;top:12px;left:12px;background:var(--gold);color:#fff;font-family:var(--font-head);font-weight:600;font-size:.72rem;padding:.3rem .7rem;border-radius:999px}
.ach-card .bd{padding:1.2rem}
.ach-card .bd h3{font-size:1.02rem;margin-bottom:.3rem}
.ach-card .bd .std{color:var(--teal-700);font-size:.85rem;font-weight:600}

/* ---------- CTA banner ---------- */
.cta-band{background:linear-gradient(120deg,var(--teal-700),var(--teal-800));border-radius:26px;padding:3rem;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:'';position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.07)}
.cta-band h2{color:#fff;font-size:1.8rem}
.cta-band p{color:#d7f2ef;margin-top:.4rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--teal-800);color:#bfe6e1;padding-top:62px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.4rem}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:1.1rem}
.site-footer p{color:#a9d9d3;font-size:.9rem}
.footer-brand{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem}
.footer-brand img{height:48px;background:#fff;border-radius:10px;padding:4px}
.footer-brand b{color:#fff;font-family:var(--font-head);font-size:1.05rem}
.foot-links a{display:block;padding:.35rem 0;color:#a9d9d3;font-size:.92rem;transition:.2s}
.foot-links a:hover{color:#fff;padding-left:6px}
.foot-contact li{display:flex;gap:.7rem;margin-bottom:.8rem;font-size:.9rem;color:#a9d9d3}
.foot-contact i{color:var(--teal);margin-top:4px}
.foot-social{display:flex;gap:.6rem;margin-top:1.1rem}
.foot-social a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#fff;transition:.25s}
.foot-social a:hover{background:var(--teal);transform:translateY(-3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:22px 0;text-align:center;font-size:.85rem;color:#8fc8c2}

/* ---------- Page hero / breadcrumb ---------- */
.page-hero{background:linear-gradient(120deg,var(--teal-700),var(--teal-800));color:#fff;padding:66px 0 54px;position:relative;overflow:hidden}
.page-hero::after{content:'';position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.06)}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);position:relative}
.breadcrumb{display:flex;gap:.5rem;align-items:center;font-size:.85rem;color:#cbeeea;margin-top:.7rem;position:relative}
.breadcrumb a:hover{color:#fff}.breadcrumb i{font-size:.6rem;opacity:.7}

/* ---------- Article / rich content ---------- */
.rich{line-height:1.8;color:var(--body)}
.rich h1,.rich h2,.rich h3{margin:1.6rem 0 .8rem;color:var(--ink)}
.rich h2{font-size:1.5rem}.rich h3{font-size:1.2rem}
.rich p{margin-bottom:1rem}
.rich ul,.rich ol{margin:0 0 1rem 1.3rem}.rich li{margin-bottom:.4rem}
.rich ul{list-style:disc}.rich ol{list-style:decimal}
.rich img{border-radius:14px;margin:1rem 0;box-shadow:var(--shadow-sm)}
.rich a{color:var(--teal-700);text-decoration:underline}
.rich blockquote{border-left:4px solid var(--teal);background:var(--teal-50);padding:1rem 1.3rem;border-radius:0 12px 12px 0;margin:1.2rem 0;font-style:italic}
.rich table{width:100%;border-collapse:collapse;margin:1rem 0}
.rich th,.rich td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left}
.rich th{background:var(--teal-50);color:var(--ink);font-family:var(--font-head)}
.rich iframe{width:100%;aspect-ratio:16/9;border-radius:14px;border:none;margin:1rem 0}

.article-layout{display:grid;grid-template-columns:1fr 320px;gap:2.6rem;align-items:start}
.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;position:sticky;top:94px}
.sidebar-card h4{font-size:1rem;margin-bottom:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.mini-post{display:flex;gap:.8rem;padding:.6rem 0;border-bottom:1px solid var(--line)}
.mini-post:last-child{border-bottom:none}
.mini-post img{width:62px;height:62px;border-radius:10px;object-fit:cover;flex-shrink:0}
.mini-post b{font-family:var(--font-head);font-size:.86rem;color:var(--ink);display:block;line-height:1.3}
.mini-post span{font-size:.75rem;color:var(--muted)}

/* ---------- Teacher profile / directory ---------- */
.teacher-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.filter-tabs{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2rem}
.filter-tabs button{font-family:var(--font-head);font-weight:600;font-size:.86rem;padding:.55rem 1.2rem;border-radius:999px;
  border:1.5px solid var(--line);background:#fff;color:var(--body);cursor:pointer;transition:.2s}
.filter-tabs button.active,.filter-tabs button:hover{background:var(--teal);color:#fff;border-color:var(--teal)}

/* ---------- Gallery filters ---------- */
.gallery-grid{columns:3;column-gap:1.2rem}
.gallery-grid .g-item{break-inside:avoid;margin-bottom:1.2rem;border-radius:14px;overflow:hidden;position:relative;cursor:pointer}
.gallery-grid .g-item img{width:100%;transition:transform .5s}
.gallery-grid .g-item:hover img{transform:scale(1.06)}
.gallery-grid .g-item .g-ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,94,90,.8),transparent 60%);
  opacity:0;transition:.3s;display:flex;align-items:flex-end;padding:1rem;color:#fff;font-family:var(--font-head);font-weight:600}
.gallery-grid .g-item:hover .g-ov{opacity:1}
.play-badge{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;
  background:rgba(255,255,255,.9);display:grid;place-items:center;color:var(--teal-700);font-size:1.2rem}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(8,40,38,.92);z-index:300;display:none;align-items:center;justify-content:center;padding:2rem}
.lightbox.open{display:flex}
/* Instagram lightbox */
.ig-item{cursor:pointer}
.ig-lightbox{position:fixed;inset:0;background:rgba(8,40,38,.92);backdrop-filter:blur(6px);z-index:320;display:none;align-items:center;justify-content:center;padding:1.5rem}
.ig-lightbox.open{display:flex;animation:fadeIn .3s}
.ig-lb-inner{position:relative;width:min(440px,94vw);max-height:90vh;overflow-y:auto;background:#fff;border-radius:18px;animation:popIn .3s}
.ig-lb-close{position:absolute;top:-46px;right:0;color:#fff;font-size:1.4rem;cursor:pointer;width:42px;height:42px;background:rgba(255,255,255,.16);border-radius:50%;display:grid;place-items:center;transition:.2s}
.ig-lb-close:hover{background:#fff;color:var(--teal-700)}
.ig-lb-body{min-height:120px}
.ig-lb-body .instagram-media{margin:0 auto!important;border-radius:18px!important}
.ig-lb-fallback img{width:100%;border-radius:18px 18px 0 0;display:block}
.ig-lb-fallback .cap{padding:1rem 1.2rem;font-size:.9rem;color:var(--body);line-height:1.6}
.ig-lb-foot{padding:1rem 1.2rem;border-top:1px solid var(--line);display:flex;justify-content:center}
.ig-lb-load{padding:2.4rem;text-align:center;color:var(--muted);font-size:.9rem}
.ig-lb-load i{color:var(--teal);font-size:1.6rem;animation:spin 1s linear infinite;display:block;margin-bottom:.6rem}
@keyframes spin{to{transform:rotate(360deg)}}
.lightbox img,.lightbox iframe{max-width:90vw;max-height:85vh;border-radius:12px}
.lightbox iframe{width:80vw;aspect-ratio:16/9}
.lightbox .lb-close{position:absolute;top:24px;right:30px;color:#fff;font-size:1.6rem;cursor:pointer;background:rgba(255,255,255,.12);width:48px;height:48px;border-radius:50%;display:grid;place-items:center}

/* ---------- Forms ---------- */
.form-group{margin-bottom:1.1rem}
.form-group label{display:block;font-family:var(--font-head);font-weight:600;font-size:.88rem;color:var(--ink);margin-bottom:.4rem}
.form-group .req{color:#e05b5b}
.form-control{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:.8rem 1rem;font-size:.95rem;font-family:var(--font-body);
  background:#fff;transition:.2s;color:var(--ink)}
.form-control:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px var(--teal-50)}
textarea.form-control{min-height:130px;resize:vertical}
select.form-control{appearance:none;background-image: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='%237C908D' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-note{font-size:.8rem;color:var(--muted);margin-top:.3rem}
.captcha-box{display:flex;align-items:center;gap:.8rem}
.captcha-box .q{background:var(--teal-50);color:var(--teal-800);font-family:var(--font-head);font-weight:700;padding:.7rem 1rem;border-radius:10px;white-space:nowrap}

/* Alert */
.alert{padding:.9rem 1.2rem;border-radius:12px;font-size:.9rem;margin-bottom:1rem;display:flex;gap:.6rem;align-items:center}
.alert-success{background:#e6f7f1;color:#0a6b4e;border:1px solid #bce6d5}
.alert-error{background:#fdeaea;color:#b23a3a;border:1px solid #f5c9c9}
.alert-info{background:var(--teal-50);color:var(--teal-800);border:1px solid var(--teal-100)}

/* Badges / chips */
.chip{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-head);font-weight:600;font-size:.75rem;
  padding:.35rem .8rem;border-radius:999px;background:var(--teal-50);color:var(--teal-700)}
.chip.gold{background:#fdf1dd;color:#b9821f}

/* Empty state */
.empty{text-align:center;padding:3rem 1rem;color:var(--muted)}
.empty i{font-size:2.4rem;color:var(--teal-100);margin-bottom:.8rem}

/* ---------- AI Chat widget ---------- */
.chat-fab{position:fixed;bottom:24px;right:24px;z-index:150;width:62px;height:62px;border-radius:50%;
  background:var(--teal);color:#fff;border:none;cursor:pointer;box-shadow:0 10px 30px rgba(21,169,154,.45);
  display:grid;place-items:center;font-size:1.5rem;transition:transform .25s}
.chat-fab:hover{transform:scale(1.08)}
.chat-fab .dot{position:absolute;top:10px;right:12px;width:11px;height:11px;background:var(--gold);border-radius:50%;border:2px solid #fff}
.chat-panel{position:fixed;bottom:98px;right:24px;z-index:151;width:min(390px,92vw);height:min(560px,76vh);background:#fff;
  border-radius:20px;box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden;animation:popIn .3s}
.chat-panel.open{display:flex}
.chat-head{background:linear-gradient(120deg,var(--teal-700),var(--teal-800));color:#fff;padding:1rem 1.2rem;display:flex;align-items:center;gap:.7rem}
.chat-head .av{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:1.1rem}
.chat-head b{color:#fff;font-family:var(--font-head);display:block;font-size:.98rem}
.chat-head span{font-size:.75rem;color:#bfe6e1}
.chat-head .cls{margin-left:auto;cursor:pointer;opacity:.85}
.chat-body{flex:1;overflow-y:auto;padding:1.1rem;background:var(--bg-soft);display:flex;flex-direction:column;gap:.8rem}
.chat-msg{max-width:84%;padding:.7rem 1rem;border-radius:16px;font-size:.9rem;line-height:1.55;white-space:pre-wrap}
.chat-msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:5px}
.chat-msg.user{background:var(--teal);color:#fff;align-self:flex-end;border-bottom-right-radius:5px}
.chat-typing{align-self:flex-start;display:flex;gap:4px;padding:.8rem 1rem;background:#fff;border:1px solid var(--line);border-radius:16px}
.chat-typing span{width:7px;height:7px;background:var(--teal);border-radius:50%;animation:blink 1.2s infinite}
.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}
.chat-suggest{display:flex;gap:.5rem;flex-wrap:wrap;padding:0 1.1rem .4rem}
.chat-suggest button{font-size:.78rem;border:1px solid var(--teal-100);background:var(--teal-50);color:var(--teal-700);
  padding:.4rem .8rem;border-radius:999px;cursor:pointer;font-family:var(--font-head);transition:.2s}
.chat-suggest button:hover{background:var(--teal);color:#fff}
.chat-foot{padding:.8rem 1rem;border-top:1px solid var(--line);display:flex;gap:.5rem;background:#fff}
.chat-foot input{flex:1;border:1.5px solid var(--line);border-radius:999px;padding:.6rem 1rem;font-size:.9rem;font-family:var(--font-body)}
.chat-foot input:focus{outline:none;border-color:var(--teal)}
.chat-foot button{width:42px;height:42px;border-radius:50%;background:var(--teal);color:#fff;border:none;cursor:pointer;flex-shrink:0}

/* ---------- Animations ---------- */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}

/* ---------- Pagination ---------- */
.pagination{display:flex;gap:.4rem;justify-content:center;margin-top:2.6rem}
.pagination a,.pagination span{min-width:42px;height:42px;display:grid;place-items:center;border-radius:11px;border:1px solid var(--line);
  background:#fff;font-family:var(--font-head);font-weight:600;font-size:.9rem;color:var(--body);padding:0 .6rem}
.pagination a:hover{border-color:var(--teal);color:var(--teal-700)}
.pagination .current{background:var(--teal);color:#fff;border-color:var(--teal)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .teacher-grid,.grid-4{grid-template-columns:repeat(3,1fr)}
  .ig-grid{grid-template-columns:repeat(4,1fr)}
  .article-layout{grid-template-columns:1fr}
  .sidebar-card{position:static}
}
@media(max-width:860px){
  .nav-menu,.topbar{display:none}
  .hamburger{display:grid}
  .nav-login{display:none}
  .nav{gap:.6rem}
  .brand{min-width:0;flex-shrink:1}
  .brand .bt{min-width:0}
  .brand .bt b,.brand .bt span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .nav-actions{flex-shrink:0}
  .welcome-grid{grid-template-columns:1fr;gap:2rem}
  .welcome-photo{max-width:380px;margin:0 auto}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.grid-2,.teacher-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{columns:2}
  .cta-band{padding:2rem;text-align:center;justify-content:center}
  .section{padding:52px 0}
  .hero-slide{min-height:78vh}
  .hero-arrow{display:none}
}
@media(max-width:560px){
  .container{padding:0 16px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:.8rem}
  .stat-card{padding:1.2rem .8rem}
  .stat-card .num{font-size:1.6rem}
  .grid-3,.grid-4,.grid-2,.teacher-grid,.footer-grid,.form-row{grid-template-columns:1fr}
  .gallery-grid{columns:1}
  .ig-grid{grid-template-columns:repeat(3,1fr)}
  .hero-content h1{font-size:2rem}
  .section-head h2{font-size:1.6rem}
  .chat-panel{right:12px;bottom:88px}
  .chat-fab{right:16px;bottom:16px}
}