/* ===== Yapay Zeka Küpü — genai.works-inspired (sharp · bold · lime) ===== */
:root{
  --bg:#ffffff;--bg-soft:#f4f5f3;--dark:#0d0d0d;--dark-2:#161616;
  --ink:#0a0a0a;--ink-2:#3f3f46;--muted:#6b7280;--faint:#9ca3af;
  --line:#e5e7eb;--line-2:#d4d4d8;--line-dark:#262626;
  --accent:#9ae600;--accent-2:#bef264;--accent-pale:#eefbcd;--green-ink:#4d7c0f;
  --r:8px;--r-sm:5px;
  --shadow:0 1px 2px rgba(10,10,10,.04);
  --shadow-card:0 4px 14px rgba(10,10,10,.05);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Plus Jakarta Sans',sans-serif;letter-spacing:-.03em;line-height:1.04;color:var(--ink);font-weight:800}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.grad-text{color:var(--green-ink)}
section{position:relative}
[hidden]{display:none!important}

/* nav — floating bar */
header{position:sticky;top:14px;z-index:50;padding:0 16px}
nav{max-width:var(--maxw);margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 30px rgba(10,10,10,.08);display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 14px 0 22px}
.logo{display:flex;align-items:center;gap:9px;font-family:'Plus Jakarta Sans';font-weight:800;font-size:1.08rem;color:var(--ink);letter-spacing:-.02em}
.logo .cube{width:30px;height:30px;flex:none}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--ink);font-size:.92rem;font-weight:600;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--green-ink)}
.nav-cta{display:flex;gap:9px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:.9rem;padding:10px 18px;border-radius:var(--r-sm);cursor:pointer;border:1.5px solid transparent;transition:background .18s,color .18s,border-color .18s,transform .15s;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#0a0a0a;border-color:var(--accent)}
.btn-primary:hover{background:#0a0a0a;color:#fff;border-color:#0a0a0a}
.btn-ghost,.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover,.btn-outline:hover{background:var(--accent);border-color:var(--accent);color:#0a0a0a}
.btn-white{background:#fff;color:#0a0a0a;border-color:#fff}
.btn-white:hover{background:#0a0a0a;color:#fff;border-color:#0a0a0a}
.lang-toggle{display:flex;border:1px solid var(--line-2);border-radius:var(--r-sm);overflow:hidden;font-size:.78rem;font-weight:700}
.lang-toggle button{background:#fff;border:none;padding:8px 10px;cursor:pointer;color:var(--muted);font-family:inherit;transition:background .2s,color .2s}
.lang-toggle button.on{background:#0a0a0a;color:#fff}
.menu-toggle{display:none;background:none;border:none;color:var(--ink);cursor:pointer}
.mobile-menu{display:none;flex-direction:column;gap:2px;margin:10px 16px 0;padding:14px 18px 20px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow-card)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:11px 0;color:var(--ink);font-weight:600;border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:12px;justify-content:center}

/* eyebrow tag-box (genai signature) */
.eyebrow{display:inline-block;border:1px solid var(--line-2);padding:6px 13px;border-radius:var(--r-sm);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:20px;font-weight:700;background:#fff}

/* hero */
.hero{padding:64px 0 60px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-200px;right:-140px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(154,230,0,.20),transparent 62%);z-index:-1}
.hero::after{content:"";position:absolute;top:0;left:0;right:0;height:240px;background-image:radial-gradient(var(--line-2) 1.1px,transparent 1.5px);background-size:22px 22px;-webkit-mask-image:linear-gradient(180deg,#000,transparent);mask-image:linear-gradient(180deg,#000,transparent);z-index:-1;opacity:.7}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:9px;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);border:1px solid var(--line-2);padding:7px 13px;border-radius:var(--r-sm);margin-bottom:24px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-pale)}
.hero h1{font-size:clamp(2.8rem,6vw,5rem);font-weight:800;margin-bottom:22px;letter-spacing:-.04em;line-height:1.0}
.hero p.lead{font-size:1.12rem;color:var(--ink-2);max-width:500px;margin-bottom:30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn-lg{padding:14px 26px;font-size:.98rem}
.hero-stats{display:flex;gap:44px;margin-top:46px;flex-wrap:wrap}
.hero-stats .num{font-family:'Plus Jakarta Sans';font-size:2rem;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.hero-stats .lbl{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:600}
.hero-head{max-width:780px}
.hero-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
.hcard{position:relative;border-radius:var(--r);overflow:hidden;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;padding:22px;color:#fff;border:1px solid var(--line);isolation:isolate}
.hcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:grayscale(1) contrast(1.05);transition:transform .5s,filter .5s}
.hcard::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(13,13,13,.18),rgba(13,13,13,.84)),linear-gradient(125deg,rgba(154,230,0,.30),transparent 58%)}
.hcard .sq{position:absolute;top:16px;left:16px;width:26px;height:26px;background:var(--accent);z-index:1}
.hcard .label{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.hcard h3{color:#fff;font-size:1.5rem;margin-bottom:8px;letter-spacing:-.02em}
.hcard p{color:rgba(255,255,255,.86);font-size:.9rem;margin-bottom:12px;max-width:90%}
.hcard .go{font-weight:700;font-size:.9rem;color:#fff}
.hcard:hover img{transform:scale(1.05);filter:grayscale(.35) contrast(1.05)}

/* hero visual — clean lime cube, no emoji */
.cube-scene{position:relative;height:360px;display:flex;align-items:center;justify-content:center;perspective:950px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r)}
.cube-scene::before{content:"";position:absolute;top:14px;right:14px;width:34px;height:34px;background:var(--accent)}
.cube-scene::after{content:"";position:absolute;bottom:14px;left:14px;width:22px;height:22px;border:3px solid var(--accent)}
.cube3d{position:relative;width:150px;height:150px;transform-style:preserve-3d;animation:rot 22s linear infinite}
@keyframes rot{from{transform:rotateX(-20deg) rotateY(0)}to{transform:rotateX(-20deg) rotateY(360deg)}}
.face{position:absolute;width:150px;height:150px;border:2px solid #0a0a0a;background:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;font-family:'Plus Jakarta Sans';font-weight:800;font-size:2rem;color:#0a0a0a}
.face.f1{transform:translateZ(75px);background:var(--accent)}.face.f2{transform:rotateY(180deg) translateZ(75px)}
.face.f3{transform:rotateY(90deg) translateZ(75px)}.face.f4{transform:rotateY(-90deg) translateZ(75px);background:var(--accent)}
.face.f5{transform:rotateX(90deg) translateZ(75px)}.face.f6{transform:rotateX(-90deg) translateZ(75px)}
.cube-glow{display:none}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-sm);padding:8px 12px;font-size:.78rem;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:7px;box-shadow:var(--shadow-card)}
.float-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.float-chip.c1{top:18px;left:18px}
.float-chip.c2{bottom:22px;right:18px}
.float-chip.c3{display:none}

/* logos */
.logos{padding:30px 0 4px;border-top:1px solid var(--line);margin-top:50px}
.logos p{text-align:center;font-size:.74rem;color:var(--faint);text-transform:uppercase;letter-spacing:.14em;margin-bottom:18px;font-weight:700}
.logos .row{display:flex;justify-content:center;flex-wrap:wrap;gap:40px;align-items:center;font-family:'Plus Jakarta Sans';font-weight:700;font-size:1.05rem;color:var(--faint)}

/* sections */
.sec{padding:84px 0}
.sec.tint{background:var(--bg-soft)}
.sec.dark{background:var(--dark);color:#fff}
.sec.dark h1,.sec.dark h2,.sec.dark h3,.sec.dark h4{color:#fff}
.sec.dark .sec-head p{color:#a1a1aa}
.sec.dark .eyebrow{background:transparent;border-color:var(--line-dark);color:#d4d4d8}
.sec.dark .grad-text{color:var(--accent)}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .row-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(2.1rem,4vw,3.1rem);font-weight:800;margin-bottom:16px;letter-spacing:-.035em}
.sec-head p{color:var(--ink-2);font-size:1.06rem;max-width:560px}

/* cards — sharp, flat */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);border-color:#0a0a0a;box-shadow:var(--shadow-card)}
.sec.dark .card{background:var(--dark-2);border-color:var(--line-dark)}
.sec.dark .card{position:relative;overflow:hidden}
.sec.dark .card:hover{border-color:var(--accent)}
.sec.dark .card::after{content:"";position:absolute;top:0;right:0;border-top:28px solid var(--accent);border-left:28px solid transparent;opacity:.92}

/* icon tile (replaces emoji) */
.ic,.fic,.vic,.ico{display:flex;align-items:center;justify-content:center;background:var(--accent-pale);border:1px solid #dcedb6;color:var(--green-ink);border-radius:var(--r-sm)}
.ic{width:44px;height:44px;margin-bottom:18px}
.ic svg{width:22px;height:22px}
.fic{width:44px;height:44px;margin:0 auto 14px}
.fic svg{width:22px;height:22px}
.vic{width:46px;height:46px;margin-bottom:16px}
.vic svg{width:23px;height:23px}
.ico{width:40px;height:40px;flex:none}
.ico svg{width:20px;height:20px}
.ic svg,.fic svg,.vic svg,.ico svg,.course-meta svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.sec.dark .ic,.sec.dark .fic{background:rgba(154,230,0,.12);border-color:rgba(154,230,0,.3);color:var(--accent)}

/* courses */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.course-card .tag{display:inline-block;font-size:.7rem;font-weight:700;padding:4px 9px;border-radius:var(--r-sm);margin-bottom:16px;letter-spacing:.04em;text-transform:uppercase}
.tag.t-free{background:var(--accent);color:#0a0a0a}
.tag.t-lvl{background:#fff;color:var(--ink-2);border:1px solid var(--line-2)}
.course-card h3{font-size:1.18rem;margin-bottom:10px;letter-spacing:-.02em}
.course-card p{color:var(--ink-2);font-size:.92rem;margin-bottom:18px}
.course-meta{display:flex;gap:14px;font-size:.78rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;font-weight:600;flex-wrap:wrap}
.course-meta svg{width:14px;height:14px;vertical-align:-2px;margin-right:4px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.chip{padding:8px 15px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:#fff;font-size:.84rem;font-weight:600;color:var(--ink-2);cursor:pointer;transition:.18s}
.chip:hover{border-color:#0a0a0a;color:#0a0a0a}
.chip.on{background:#0a0a0a;border-color:#0a0a0a;color:#fff}
.edu-banner{margin-top:44px;background:var(--dark);border-radius:var(--r);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.edu-banner::after{content:"";position:absolute;top:18px;right:18px;width:40px;height:40px;background:var(--accent)}
.edu-banner h3{font-size:1.65rem;margin-bottom:8px;color:#fff;position:relative;letter-spacing:-.02em}
.edu-banner p{color:#a1a1aa;max-width:480px;position:relative}
.edu-banner .btn-white{position:relative}

/* social */
.social-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.social-card{display:flex;flex-direction:column;gap:14px}
.social-card .top{display:flex;align-items:center;justify-content:space-between}
.social-ic{width:48px;height:48px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center}
.social-ic svg{width:24px;height:24px;fill:#fff}
.ig{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.tt{background:#111}.li{background:#0a66c2}.yt{background:#ff0000}
.social-card .count{font-family:'Plus Jakarta Sans';font-size:1.7rem;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.social-card .handle{color:var(--muted);font-size:.88rem}
.social-card .follow{font-size:.84rem;font-weight:700;color:var(--green-ink)}
.social-card .desc{color:var(--ink-2);font-size:.89rem}
.community-feat{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.feat{text-align:center;padding:28px 18px}
.feat h4{font-size:1rem;margin-bottom:6px;font-weight:700;color:var(--ink)}
.feat p{font-size:.85rem;color:var(--muted)}

/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card p{color:var(--ink-2);font-size:.94rem;margin-bottom:18px}
.quote-card .who{display:flex;align-items:center;gap:11px}
.quote-card .who .av{width:42px;height:42px;border-radius:var(--r-sm);background:var(--accent);display:flex;align-items:center;justify-content:center;color:#0a0a0a;font-weight:800;font-size:.85rem}
.quote-card .who strong{display:block;font-size:.9rem;color:var(--ink)}
.quote-card .who span{font-size:.8rem;color:var(--muted)}

/* news */
.news-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:start}
.news-main{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.post-card .src{display:flex;align-items:center;gap:9px;margin-bottom:13px}
.post-card img.thumb{width:100%;height:172px;object-fit:cover;border-radius:var(--r-sm);margin-bottom:14px;border:1px solid var(--line);display:block}
.post-card .src .av{width:36px;height:36px;border-radius:var(--r-sm);background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.78rem;color:#0a0a0a;flex:none}
.post-card .src .nm{font-size:.84rem;font-weight:700;line-height:1.2;color:var(--ink)}
.post-card .src .nm small{display:block;color:var(--faint);font-weight:500;font-size:.75rem}
.post-card p.body{font-size:.92rem;color:var(--ink-2);margin-bottom:15px}
.post-card .stats{display:flex;gap:16px;font-size:.78rem;color:var(--muted);border-top:1px solid var(--line);padding-top:13px;font-weight:600}
.post-card .stats span{display:inline-flex;align-items:center;gap:5px}
.post-card .stats svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* contact + legal pages */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.field{margin-bottom:16px}
.field label{display:block;font-size:.82rem;font-weight:700;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line-2);border-radius:var(--r-sm);background:#fff;font-family:inherit;font-size:.94rem;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:#0a0a0a}
.field textarea{min-height:130px;resize:vertical}
.contact-info{display:flex;flex-direction:column;gap:14px}
.info-row{display:flex;gap:13px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.info-row .ico{width:40px;height:40px;flex:none}
.info-row strong{display:block;font-size:.9rem;margin-bottom:2px}
.info-row span{font-size:.86rem;color:var(--muted)}
.form-ok{display:none;background:var(--accent-pale);border:1px solid #dcedb6;color:var(--green-ink);padding:12px 15px;border-radius:var(--r-sm);font-size:.9rem;font-weight:600;margin-bottom:14px}
.form-ok.show{display:block}
.legal{max-width:780px;margin:0 auto}
.legal h2{font-size:1.4rem;margin:34px 0 12px;letter-spacing:-.02em}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--ink-2);margin-bottom:14px;font-size:.98rem}
.legal ul{margin:0 0 14px 20px;color:var(--ink-2);font-size:.98rem}
.legal li{margin-bottom:7px}
.legal .updated{font-size:.84rem;color:var(--faint);margin-bottom:30px}
.feed{display:flex;flex-direction:column;gap:11px}
.feed-head{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;display:flex;align-items:center;gap:7px}
.feed-item{display:flex;gap:13px;align-items:center;padding:14px;border-radius:var(--r);border:1px solid var(--line);background:#fff;transition:border-color .2s,transform .2s}
.feed-item:hover{border-color:#0a0a0a;transform:translateX(3px)}
.feed-item h4{font-size:.9rem;font-weight:700;margin-bottom:3px;line-height:1.3;color:var(--ink)}
.feed-item .meta{font-size:.76rem;color:var(--faint)}

/* newsletter */
.cta-band{border-radius:var(--r);padding:58px 44px;text-align:center;position:relative;overflow:hidden;background:var(--dark)}
.cta-band::before{content:"";position:absolute;top:0;left:0;width:46px;height:46px;background:var(--accent)}
.cta-band::after{content:"";position:absolute;bottom:0;right:0;width:46px;height:46px;background:var(--accent)}
.cta-band h2{font-size:clamp(1.9rem,3.5vw,2.7rem);margin-bottom:13px;color:#fff;letter-spacing:-.03em}
.cta-band .grad-text{color:var(--accent)}
.cta-band p{color:#a1a1aa;max-width:520px;margin:0 auto 26px}
.subscribe{display:flex;gap:10px;max-width:470px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.subscribe input{flex:1;min-width:220px;padding:14px 16px;border-radius:var(--r-sm);border:1px solid var(--line-dark);background:#161616;color:#fff;font-size:.93rem;font-family:inherit}
.subscribe input::placeholder{color:#71717a}
.subscribe input:focus{outline:none;border-color:var(--accent)}
.cta-note{font-size:.78rem;color:#71717a;margin-top:15px}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-grid h2{font-size:clamp(1.9rem,3.4vw,2.6rem);margin-bottom:18px;letter-spacing:-.03em}
.about-grid p{color:var(--ink-2);margin-bottom:14px}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.value-card h3{font-size:1.15rem;margin-bottom:8px}
.value-card p{color:var(--ink-2);font-size:.92rem}
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-band .num{font-family:'Plus Jakarta Sans';font-size:2.5rem;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.stat-band .lbl{color:var(--muted);font-size:.88rem;font-weight:600}

/* page hero */
.page-hero{padding:54px 0 36px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-160px;left:50%;transform:translateX(-50%);width:680px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(154,230,0,.16),transparent 64%);z-index:-1}
.page-hero::after{content:"";position:absolute;top:0;left:0;right:0;height:170px;background-image:radial-gradient(var(--line-2) 1.1px,transparent 1.5px);background-size:22px 22px;-webkit-mask-image:linear-gradient(180deg,#000,transparent);mask-image:linear-gradient(180deg,#000,transparent);z-index:-1;opacity:.65}
.page-hero .eyebrow{margin-bottom:18px}
.page-hero h1{font-size:clamp(2.3rem,4.8vw,3.6rem);margin-bottom:16px;letter-spacing:-.035em}
.page-hero p{color:var(--ink-2);font-size:1.08rem;max-width:620px;margin:0 auto}
.crumb{font-size:.78rem;color:var(--faint);margin-bottom:16px;font-weight:600;letter-spacing:.04em}

/* footer */
footer{border-top:1px solid var(--line);padding:60px 0 34px;background:var(--bg-soft)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-brand p{color:var(--muted);font-size:.92rem;max-width:300px;margin:15px 0 20px}
.foot-soc{display:flex;gap:11px}
.foot-soc a{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}
.foot-soc a:hover{background:#0a0a0a;border-color:#0a0a0a}
.foot-soc a:hover svg{fill:#fff}
.foot-soc svg{width:17px;height:17px;fill:var(--ink-2);transition:fill .2s}
.foot-col h5{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:15px;font-weight:700}
.foot-col a{display:block;color:var(--ink-2);font-size:.9rem;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--green-ink)}
.foot-bot{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem;color:var(--muted)}

.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---- tablet ---- */
@media(max-width:980px){
  .nav-links,.nav-cta .btn-ghost,.nav-cta .btn-outline,.nav-cta .btn-primary{display:none}
  .menu-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-cards{grid-template-columns:1fr;gap:14px}
  .hcard{min-height:210px}
  .cube-scene{height:300px}
  .course-grid,.grid-4{grid-template-columns:repeat(2,1fr)}
  .news-grid,.news-main,.about-grid,.contact-grid{grid-template-columns:1fr}
  .community-feat,.stat-band{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
/* ---- phone ---- */
@media(max-width:620px){
  .wrap{padding:0 18px}
  .sec{padding:54px 0}
  .hero{padding:36px 0 44px}
  .hero-stats{gap:24px;margin-top:34px}
  .hero-stats .num{font-size:1.6rem}
  .cube-scene{height:240px}
  .course-grid,.grid-4,.social-grid,.quote-grid,.value-grid,.community-feat,.stat-band,.foot-grid{grid-template-columns:1fr}
  .sec-head .row-top{flex-direction:column;align-items:flex-start}
  .edu-banner{padding:26px;flex-direction:column;align-items:flex-start}
  .cta-band{padding:38px 22px}
  .subscribe input{min-width:0}
  .subscribe button{width:100%}
  .foot-bot{flex-direction:column;gap:6px}
  nav{padding:0 10px 0 16px}
  .logo span{font-size:1rem}
}