/* =========================================================
   AlinLearning v5.0.0 — Premium Education LMS
   Warm white bg + Navy text + Trust-blue primary + Warm-orange CTA
   Inspired by 10 Minute School / Coursera / Shikho
========================================================= */
:root{
  --bg:#fff; --bg-soft:#f8fafc; --bg-warm:#fff7ed;
  --surface:#fff; --surface-2:#f1f5f9;
  --border:#e2e8f0; --border-2:#cbd5e1;
  --text-1:#0f172a; --text-2:#334155; --text-3:#64748b; --text-4:#94a3b8;
  --primary:#2563eb; --primary-dk:#1d4ed8;
  --accent:#f97316; --accent-dk:#ea580c;
  --success:#16a34a; --danger:#ef4444; --warn:#f59e0b;
  --grad-primary:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);
  --grad-accent:linear-gradient(135deg,#f97316 0%,#ef4444 100%);
  --grad-warm:linear-gradient(135deg,#fff7ed 0%,#ffedd5 100%);
  --grad-hero:linear-gradient(135deg,rgba(37,99,235,.92) 0%,rgba(124,58,237,.85) 60%,rgba(249,115,22,.82) 100%);
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 4px 12px rgba(15,23,42,.08);
  --shadow-md:0 8px 24px rgba(15,23,42,.10);
  --shadow-lg:0 20px 40px -12px rgba(15,23,42,.18);
  --shadow-glow:0 10px 30px -8px rgba(249,115,22,.45);
  --radius:14px; --radius-lg:22px; --radius-sm:10px;
  --f-en:'Poppins',system-ui,-apple-system,sans-serif;
  --f-bn:'Hind Siliguri',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--f-en),var(--f-bn);background:var(--bg);color:var(--text-1);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:all .2s var(--ease)}
button{font-family:inherit;cursor:pointer;border:0;background:0;color:inherit}
input,textarea,select{font-family:inherit;font-size:1rem}
.container{max-width:1200px;margin:0 auto;padding:0 1.25rem}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.25;color:var(--text-1);letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.2rem)}
h3{font-size:1.2rem}
.grad-text{background:var(--grad-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.kicker{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .9rem;border-radius:999px;background:#fff7ed;color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:1rem}
.link{color:var(--primary);font-weight:600}
.link:hover{color:var(--primary-dk);text-decoration:underline}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;padding:.8rem 1.3rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;transition:all .25s var(--ease);cursor:pointer;white-space:nowrap;border:1.5px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.97)}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:var(--shadow-glow)}
.btn-accent:hover{box-shadow:0 14px 36px -8px rgba(249,115,22,.65)}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:0 6px 20px -6px rgba(37,99,235,.5)}
.btn-ghost{background:#fff;border-color:var(--border-2);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:#f8fafc}
.btn-block{width:100%;justify-content:center}
.btn-lg{padding:1rem 1.8rem;font-size:1rem;border-radius:14px}
/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:.8rem 0;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);transition:all .3s}
.navbar.scrolled{padding:.55rem 0;box-shadow:var(--shadow-sm)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.logo{display:flex;align-items:center;gap:.7rem;font-weight:800}
.logo-mark{width:42px;height:42px;border-radius:12px;background:var(--grad-primary);display:grid;place-items:center;color:#fff;font-size:1.15rem;box-shadow:0 6px 16px -4px rgba(37,99,235,.5)}
.logo-text{font-size:1.2rem;line-height:1}
.logo-text .accent{color:var(--accent)}
.logo-sub{font-size:.7rem;color:var(--text-4);font-family:var(--f-bn);font-weight:500;margin-top:2px}
.nav-links{list-style:none;display:flex;gap:.2rem;align-items:center}
.nav-links li{position:relative}
.nav-links a{padding:.55rem .9rem;border-radius:10px;font-weight:500;font-size:.9rem;color:var(--text-2)}
.nav-links a:hover{color:var(--primary);background:var(--bg-soft)}
.nav-links .current-menu-item > a{color:var(--primary);background:rgba(37,99,235,.08);font-weight:600}
.nav-ctas{display:flex;align-items:center;gap:.6rem}
.menu-toggle,.mobile-close{display:none;width:42px;height:42px;border-radius:10px;background:var(--bg-soft);border:1px solid var(--border);color:var(--text-1);font-size:1.1rem}
.mobile-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s}
.mobile-overlay.open{opacity:1;pointer-events:auto}
.mobile-menu{position:fixed;top:0;right:-100%;bottom:0;width:320px;max-width:85vw;background:#fff;z-index:101;padding:1.5rem;overflow-y:auto;transition:right .35s var(--ease);box-shadow:-10px 0 40px rgba(0,0,0,.1)}
.mobile-menu.open{right:0}
.mobile-menu a{display:block;padding:.8rem 1rem;border-radius:10px;color:var(--text-2);font-weight:500}
.mobile-menu a:hover{background:var(--bg-soft);color:var(--primary)}
.mobile-menu hr{border:0;border-top:1px solid var(--border);margin:1rem 0}
@media(max-width:1000px){.nav-links{display:none}.menu-toggle{display:grid;place-items:center}.nav-ctas .btn:not(.btn-accent){display:none}}
/* ===== HERO ===== */
.hero{padding:8rem 0 5rem;position:relative;overflow:hidden;background:linear-gradient(180deg,#eff6ff 0%,#fff 65%);isolation:isolate}
.hero[style*="background-image"]::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(9,20,52,.88) 0%,rgba(37,49,117,.68) 48%,rgba(124,58,237,.34) 100%);z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,23,42,.34),rgba(37,99,235,.16) 55%,rgba(249,115,22,.12));z-index:0}
.hero > *{position:relative;z-index:2}
.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;z-index:1}
.orb-1{width:420px;height:420px;background:#93c5fd;top:-100px;left:-80px}
.orb-2{width:380px;height:380px;background:#fdba74;bottom:-120px;right:-60px;opacity:.35}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:3.5rem;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .9rem;border-radius:999px;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);color:#fff;font-size:.78rem;font-weight:600;margin-bottom:1.2rem;border:1px solid rgba(255,255,255,.25)}
.hero-copy h1{color:#fff;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.1;margin-bottom:1rem}
.hero-copy p{color:rgba(255,255,255,.92);font-size:1.05rem;line-height:1.7;max-width:560px;margin-bottom:1.8rem}
.hero-ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2.2rem}
.hero-ctas .btn-ghost{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(8px)}
.hero-ctas .btn-ghost:hover{background:rgba(255,255,255,.25);color:#fff;border-color:rgba(255,255,255,.5)}
.hero-stats{display:flex;gap:2rem;flex-wrap:wrap;padding-top:1.8rem;border-top:1px solid rgba(255,255,255,.2)}
.hero-stats > div{flex:1;min-width:100px}
.hero-stats b{display:block;font-size:1.6rem;font-weight:800;color:#fff}
.hero-stats small{color:rgba(255,255,255,.8);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.hero-visual{position:relative;min-height:460px}
.hero-card{position:absolute;inset:0;border-radius:28px;overflow:hidden;box-shadow:0 30px 60px -15px rgba(0,0,0,.3);background-size:cover;background-position:center;transform:rotate(-2deg)}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,23,42,.06),rgba(37,99,235,.12),rgba(249,115,22,.18));pointer-events:none}.hero-card-shine{position:absolute;inset:-30%;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.16) 48%,transparent 60%);transform:translateX(-35%);animation:shine 6s ease-in-out infinite;z-index:1;pointer-events:none}.hero-progress{position:absolute;right:4%;bottom:5%;width:min(290px,62%);padding:1rem 1.1rem;border:1px solid rgba(255,255,255,.24);background:rgba(7,16,38,.72);backdrop-filter:blur(14px);border-radius:18px;color:#fff;z-index:2;box-shadow:0 18px 40px rgba(0,0,0,.25)}.hp-top,.hp-row{display:flex;align-items:center;justify-content:space-between;gap:1rem}.hp-top{font-size:.8rem;margin-bottom:.8rem}.hp-top b{font-size:.7rem;background:#16a34a;padding:.2rem .45rem;border-radius:999px}.hp-row{font-size:.72rem;margin-top:.65rem}.hp-row strong{font-size:.72rem}.hp-bar{height:6px;background:rgba(255,255,255,.15);border-radius:99px;overflow:hidden;margin-top:.35rem}.hp-bar i{display:block;height:100%;background:linear-gradient(90deg,#f97316,#facc15);border-radius:99px;animation:growbar 1.8s var(--ease) both}.skill-lab{background:linear-gradient(180deg,#f8fafc,#fff)}.skill-lab-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.skill-lab-card{display:flex;align-items:center;gap:.8rem;padding:1.1rem;border:1px solid var(--border);background:#fff;border-radius:18px;box-shadow:var(--shadow-sm);transition:.25s var(--ease)}.skill-lab-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c7d2fe}.skill-lab-card>i{margin-left:auto;color:var(--text-4)}.sl-icon{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;background:var(--grad-primary);color:#fff}.skill-lab-card b{display:block;font-size:.92rem}.skill-lab-card small{display:block;color:var(--text-3);font-size:.72rem;line-height:1.45;margin-top:.2rem}.skill-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:.55rem;margin-top:1.5rem}.skill-pills span{display:inline-flex;align-items:center;gap:.4rem;padding:.48rem .75rem;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:.74rem;color:var(--text-2);box-shadow:var(--shadow-sm)}.skill-pills i{color:var(--accent)}@keyframes shine{0%,55%{transform:translateX(-45%)}75%,100%{transform:translateX(45%)}}@keyframes growbar{from{width:0}}
@media(max-width:900px){.skill-lab-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.skill-lab-grid{grid-template-columns:1fr}.hero-progress{width:72%;padding:.8rem}.hero-visual{min-height:380px}.hero-card{inset:8% 0 4%}}
.hero-float{position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:.85rem 1.1rem;display:flex;align-items:center;gap:.8rem;z-index:3;animation:float 4s ease-in-out infinite}
.sf-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:1rem;flex-shrink:0}
.hero-float b{display:block;font-weight:800;font-size:.95rem}
.hero-float small{font-size:.73rem;color:var(--text-4);display:block}
.stat-1{top:8%;left:-6%;animation-delay:0s}
.stat-2{top:38%;right:-10%;animation-delay:-1.5s}
.stat-3{bottom:18%;left:4%;animation-delay:-3s}
.stat-4{bottom:2%;right:2%;padding:.6rem;animation-delay:-2s}
.stat-4 img{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid #fff;margin-left:-10px}
.stat-4 img:first-child{margin-left:0}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
/* ===== Generic Section ===== */
.section{padding:5rem 0;position:relative}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:2.5rem;flex-wrap:wrap}
.section-head.centered{flex-direction:column;text-align:center;align-items:center}
.section-head.centered p{margin:0 auto}
.section-head h2{margin:.3rem 0 .3rem}
.section-head p{color:var(--text-3);max-width:600px;font-family:var(--f-bn)}
/* ===== Categories ===== */
.cats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}
.cat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.6rem 1.4rem;transition:all .3s var(--ease);text-align:center}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--border-2)}
.cat-icon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin:0 auto .9rem;font-size:1.4rem}
.cat-card h4{font-size:1rem;margin-bottom:.3rem}
.cat-card small{color:var(--primary);font-weight:600;font-size:.82rem}
/* ===== Course Grid ===== */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.course-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s var(--ease);display:flex;flex-direction:column}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--border-2)}
.cc-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.course-card:hover .cc-img img{transform:scale(1.08)}
.cc-play{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:opacity .3s;background:rgba(15,23,42,.3)}
.course-card:hover .cc-play{opacity:1}
.cc-play i{width:56px;height:56px;border-radius:50%;background:#fff;color:var(--primary);display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.3);font-size:1rem;padding-left:4px}
.wish{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.95);display:grid;place-items:center;color:var(--text-3);z-index:3;transition:all .2s;font-size:.9rem}
.wish:hover{background:#ef4444;color:#fff}
.cc-cat{position:absolute;top:12px;left:12px;padding:.3rem .7rem;border-radius:8px;background:rgba(255,255,255,.95);color:var(--primary);font-size:.72rem;font-weight:700;z-index:2}
.cc-body{padding:1.2rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.cc-meta{display:flex;gap:.8rem;font-size:.78rem;color:var(--text-4);flex-wrap:wrap}
.cc-meta span{display:inline-flex;align-items:center;gap:.35rem}
.cc-body h3{font-size:1.05rem;line-height:1.4;margin:.1rem 0}
.cc-body p{color:var(--text-3);font-size:.88rem;line-height:1.55;font-family:var(--f-bn);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:.8rem;border-top:1px solid var(--border)}
.cc-price .now{font-size:1.3rem;font-weight:800;color:var(--text-1)}
.cc-price .old{font-size:.82rem;color:var(--text-4);text-decoration:line-through;margin-left:.4rem}
.cc-price .free{color:var(--success);font-weight:800;font-size:1.05rem}
.cc-rating{display:flex;align-items:center;gap:.3rem;font-size:.82rem;color:var(--text-3)}
.cc-rating i{color:#f59e0b}
.cc-enrolled{font-size:.78rem;color:var(--text-4);margin-top:.3rem;display:flex;align-items:center;gap:.35rem}
/* Why section */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.why-img{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/5}
.why-img img{width:100%;height:100%;object-fit:cover}
.why-float{position:absolute;bottom:-20px;right:-20px;background:#fff;border-radius:var(--radius);padding:.9rem 1.2rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:.9rem;min-width:240px}
.why-float i{width:48px;height:48px;border-radius:12px;background:var(--grad-primary);color:#fff;display:grid;place-items:center;font-size:1.1rem}
.why-float b{display:block;font-weight:800}
.why-float small{color:var(--text-4);font-size:.78rem}
.why-item{display:flex;gap:1rem;padding:1rem 0;align-items:flex-start}
.why-item > i{width:44px;height:44px;border-radius:12px;background:#eff6ff;color:var(--primary);display:grid;place-items:center;flex-shrink:0;font-size:1rem}
.why-item h4{margin-bottom:.25rem;font-size:1.02rem}
.why-item p{color:var(--text-3);font-size:.9rem;line-height:1.6;font-family:var(--f-bn)}
/* Instructor grid */
.instr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.5rem}
.instr-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;text-align:center;transition:all .3s var(--ease)}
.instr-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--border-2)}
.in-img{position:relative;aspect-ratio:1;overflow:hidden}
.in-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.instr-card:hover .in-img img{transform:scale(1.06)}
.in-socials{position:absolute;bottom:0;left:0;right:0;padding:.8rem;display:flex;gap:.5rem;justify-content:center;background:linear-gradient(0deg,rgba(15,23,42,.7),transparent);transform:translateY(100%);transition:transform .3s}
.instr-card:hover .in-socials{transform:translateY(0)}
.in-socials a{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.9);color:var(--text-1);display:grid;place-items:center;font-size:.82rem}
.in-socials a:hover{background:var(--primary);color:#fff}
.in-body{padding:1.2rem}
.in-body h4{font-size:1.05rem}
.in-body small{color:var(--text-4);font-size:.82rem}
.in-stats{display:flex;gap:.6rem;justify-content:center;margin-top:.8rem;font-size:.75rem;color:var(--text-4);flex-wrap:wrap}
.in-stats span{display:inline-flex;align-items:center;gap:.3rem}
.in-stats i{color:#f59e0b}
/* Offer card */
.offer-card{border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(135deg,#1e3a8a,#1d4ed8);color:#fff;padding:3rem;display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center;position:relative}
.offer-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(249,115,22,.4),transparent 50%)}
.offer-left{position:relative;z-index:2}
.offer-badge{display:inline-block;padding:.4rem .9rem;border-radius:999px;background:rgba(249,115,22,.2);border:1px solid rgba(249,115,22,.5);color:#fdba74;font-size:.8rem;font-weight:700;margin-bottom:1rem}
.offer-left h2{color:#fff;margin-bottom:.8rem}
.offer-left p{color:rgba(255,255,255,.85);margin-bottom:1.2rem;font-family:var(--f-bn)}
.offer-right{position:relative;z-index:2;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-lg)}
.offer-right img{width:100%;height:100%;object-fit:cover}
.offer-badge2{position:absolute;bottom:-14px;left:-14px;background:#fff;color:var(--text-1);padding:.6rem 1rem;border-radius:12px;box-shadow:var(--shadow);font-size:.82rem;font-weight:700}
.offer-badge2 i{color:#f59e0b;margin-right:.3rem}
#countdown{display:flex;gap:.6rem;margin-bottom:.5rem}
#countdown .cd{flex:1;max-width:90px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:.8rem .5rem;text-align:center}
#countdown .cd b{display:block;font-size:1.6rem;font-weight:800;color:#fff}
#countdown .cd small{font-size:.65rem;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.05em}
/* Reviews */
.rev-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.2rem}
.rev-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem;transition:all .3s}
.rev-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.rev-stars{color:#f59e0b;margin-bottom:.7rem;font-size:.9rem}
.rev-card p{color:var(--text-2);font-size:.92rem;line-height:1.7;margin-bottom:1.2rem;font-style:italic}
.rev-author{display:flex;align-items:center;gap:.8rem}
.rev-author img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.rev-author b{display:block;font-weight:700;font-size:.92rem}
.rev-author small{color:var(--text-4);font-size:.78rem}
/* Blog cards */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}
.blog-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-2)}
.bc-img{display:block;position:relative;aspect-ratio:16/9;overflow:hidden}
.bc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.blog-card:hover .bc-img img{transform:scale(1.06)}
.bc-cat{position:absolute;top:12px;left:12px;padding:.3rem .7rem;border-radius:8px;background:#fff;color:var(--primary);font-size:.72rem;font-weight:700}
.bc-body{padding:1.4rem}
.bc-meta{display:flex;gap:1rem;font-size:.78rem;color:var(--text-4);margin-bottom:.7rem}
.bc-meta span{display:inline-flex;align-items:center;gap:.3rem}
.bc-body h3{font-size:1.1rem;line-height:1.4;margin-bottom:.5rem}
.bc-body h3 a:hover{color:var(--primary)}
.bc-body p{color:var(--text-3);font-size:.9rem;line-height:1.6;font-family:var(--f-bn);margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bc-foot{display:flex;justify-content:space-between;align-items:center;padding-top:.9rem;border-top:1px solid var(--border)}
.bc-author{display:flex;align-items:center;gap:.6rem;font-size:.82rem;font-weight:600}
.bc-author img{width:32px;height:32px;border-radius:50%;object-fit:cover}
.bc-read{color:var(--primary);font-weight:600;font-size:.85rem;display:inline-flex;align-items:center;gap:.3rem}
.bc-read:hover i{transform:translateX(4px)}
.bc-read i{transition:transform .2s}
/* CTA final */
.cta-final{border-radius:var(--radius-lg);padding:4rem 2rem;position:relative;overflow:hidden;background-size:cover;background-position:center;color:#fff;isolation:isolate}
.cta-final-overlay{position:absolute;inset:0;background:var(--grad-hero);z-index:-1}
.cta-final h2{color:#fff;font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:.8rem}
.cta-final p{color:rgba(255,255,255,.92);font-size:1.05rem;font-family:var(--f-bn)}
/* Page hero */
.page-hero{padding:8rem 0 3rem;background:linear-gradient(180deg,#eff6ff 0%,#fff 100%);text-align:center}
.ph-inner{max-width:780px;margin:0 auto}
.ph-inner h1{margin-bottom:.8rem}
.ph-inner p{color:var(--text-3);font-family:var(--f-bn);font-size:1.05rem;margin-bottom:1.5rem}
.search-box{display:flex;gap:.5rem;background:#fff;padding:.5rem;border-radius:999px;box-shadow:var(--shadow);border:1px solid var(--border);max-width:560px;margin:0 auto}
.search-box i{align-self:center;padding-left:1rem;color:var(--text-4)}
.search-box input{flex:1;border:0;padding:.8rem .5rem;font-size:.95rem;outline:0;background:transparent;color:var(--text-1)}
.cat-filter{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2rem;justify-content:center}
.cat{padding:.6rem 1.2rem;border-radius:999px;background:#fff;border:1.5px solid var(--border-2);color:var(--text-2);font-weight:500;font-size:.85rem;cursor:pointer;transition:.2s}
.cat:hover{border-color:var(--primary);color:var(--primary)}
.cat.active{background:var(--grad-primary);color:#fff;border-color:transparent;box-shadow:0 6px 16px -4px rgba(37,99,235,.5)}
/* CTA become instructor */
.cta-become{margin-top:3rem;padding:2.5rem;border-radius:var(--radius-lg);background:linear-gradient(135deg,#fff7ed,#ffedd5);display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap}
.cta-become h3{margin:.1rem 0}
.cta-become p{color:var(--text-3);font-family:var(--f-bn)}
/* Single post */
.single-post .sp-hero{position:relative;padding:8rem 0 3rem;background-size:cover;background-position:center;color:#fff;isolation:isolate}
.sp-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.75),rgba(15,23,42,.55));z-index:0}
.sp-hero-inner{position:relative;z-index:1;max-width:820px}
.sp-cat{display:inline-block;padding:.3rem .8rem;border-radius:999px;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;margin-bottom:1rem}
.single-post .sp-hero h1{color:#fff;max-width:820px}
.sp-meta{display:flex;align-items:center;gap:.8rem;margin-top:1.2rem}
.sp-meta img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.3)}
.sp-meta b{display:block;color:#fff}
.sp-meta small{color:rgba(255,255,255,.8);font-size:.8rem}
.sp-content-wrap{display:grid;grid-template-columns:1fr 320px;gap:2.5rem;padding:3rem 0;max-width:1100px;margin:0 auto;align-items:flex-start}
.sp-content{background:#fff}
.sp-content p{color:var(--text-2);line-height:1.85;margin-bottom:1.2rem}
.sp-content h2,.sp-content h3{margin:2rem 0 .8rem}
.sp-content ul,.sp-content ol{margin:0 0 1.2rem 1.5rem}
.sp-content li{margin-bottom:.4rem;color:var(--text-2)}
.sp-content blockquote{border-left:4px solid var(--accent);padding:.8rem 1.2rem;background:var(--bg-warm);border-radius:0 10px 10px 0;margin:1.5rem 0;font-style:italic;color:var(--text-2)}
.sp-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin:2rem 0 1.5rem}
.sp-tag{padding:.35rem .8rem;border-radius:999px;background:var(--bg-soft);color:var(--text-2);font-size:.82rem;font-weight:500}
.sp-tag:hover{background:var(--primary);color:#fff}
.sp-share{display:flex;align-items:center;gap:.8rem;margin-bottom:2rem}
.sp-share > span{font-weight:600;color:var(--text-2)}
.sp-share a{width:38px;height:38px;border-radius:50%;background:var(--bg-soft);color:var(--text-2);display:grid;place-items:center}
.sp-share a:hover{background:var(--primary);color:#fff}
.sp-nav{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0}
.sp-nav-card{padding:1.2rem;border-radius:var(--radius);border:1px solid var(--border);background:#fff;transition:.2s}
.sp-nav-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.sp-nav-card.next{text-align:right}
.sp-nav-card small{color:var(--text-4);font-size:.78rem;display:flex;align-items:center;gap:.3rem}
.sp-nav-card.next small{justify-content:flex-end}
.sp-nav-card b{display:block;margin-top:.3rem;color:var(--text-1);font-weight:600}
.sp-widget{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem;margin-bottom:1.2rem}
.sp-widget h4{margin-bottom:1rem;font-size:1rem}
.sp-pop{display:flex;gap:.8rem;padding:.7rem 0;border-bottom:1px solid var(--border);align-items:center}
.sp-pop:last-child{border-bottom:0}
.sp-pop img{width:60px;height:60px;border-radius:10px;object-fit:cover;flex-shrink:0}
.sp-pop b{display:block;font-size:.88rem;line-height:1.35;margin-bottom:.2rem;color:var(--text-1)}
.sp-pop b:hover{color:var(--primary)}
.sp-pop small{color:var(--text-4);font-size:.73rem}
.cta-widget{background:linear-gradient(135deg,#fff7ed,#ffedd5);border-color:#fed7aa;text-align:center}
.cta-widget img{width:100%;border-radius:10px;margin-bottom:1rem;aspect-ratio:16/9;object-fit:cover}
.sp-cats{list-style:none}
.sp-cats li{padding:.5rem 0;border-bottom:1px solid var(--border)}
.sp-cats li:last-child{border-bottom:0}
.sp-cats a{color:var(--text-2);font-size:.88rem;display:flex;justify-content:space-between}
.sp-cats a:hover{color:var(--primary)}
/* Auth page */
.auth{min-height:100vh;padding-top:0}
.auth-grid{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}
.auth-left{position:relative;padding:3.5rem;background-size:cover;background-position:center;color:#fff;display:flex;align-items:center;isolation:isolate}
.auth-overlay{position:absolute;inset:0;background:var(--grad-hero);z-index:0}
.auth-left-content{position:relative;z-index:1;max-width:480px}
.auth-left h2{color:#fff;margin-bottom:.8rem;font-size:clamp(1.6rem,3vw,2.4rem)}
.auth-left p{color:rgba(255,255,255,.88);font-family:var(--f-bn);margin-bottom:2rem;line-height:1.7}
.auth-stats{display:flex;gap:1.5rem;margin:2rem 0;padding:1.5rem 0;border-top:1px solid rgba(255,255,255,.2)}
.auth-stats .as b{display:block;font-size:1.5rem;font-weight:800;color:#fff}
.auth-stats .as small{color:rgba(255,255,255,.7);font-size:.73rem;text-transform:uppercase;letter-spacing:.05em}
.auth-quote{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);padding:1.2rem;border-radius:14px;border:1px solid rgba(255,255,255,.15);display:flex;gap:.9rem;align-items:flex-start}
.auth-quote img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.3);flex-shrink:0}
.auth-quote p{font-size:.88rem;color:rgba(255,255,255,.92);font-style:italic;margin:.1rem 0 .3rem;line-height:1.6}
.auth-quote small{font-size:.75rem;color:rgba(255,255,255,.7)}
.auth-right{display:flex;align-items:center;padding:3rem 1.5rem;justify-content:center;background:#fff}
.auth-card{width:100%;max-width:440px}
.auth-tabs{display:flex;background:var(--bg-soft);padding:4px;border-radius:12px;margin-bottom:1.5rem;gap:4px}
.auth-tab{flex:1;padding:.75rem;border-radius:9px;font-weight:600;font-size:.9rem;color:var(--text-3);background:0;cursor:pointer;transition:.2s}
.auth-tab.active{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm)}
.auth-form{display:none;animation:fadeUp .35s}
.auth-form.active{display:block}
.field{margin-bottom:1rem}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.45rem;color:var(--text-2)}
.inp{position:relative;display:flex;align-items:center;background:#f8fafc;border:1.5px solid var(--border);border-radius:12px;transition:.2s}
.inp:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.1);background:#fff}
.inp i{padding-left:1rem;color:var(--text-4);font-size:.9rem}
.inp input,.inp select,.inp textarea{flex:1;border:0;padding:.9rem .8rem;background:transparent;font-size:.92rem;outline:0;color:var(--text-1);resize:vertical}
.inp .tp{position:relative;right:.4rem;padding:.3rem .7rem;color:var(--text-4);cursor:pointer}
.row-between{display:flex;justify-content:space-between;align-items:center}
.check{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--text-2);cursor:pointer}
.check input{accent-color:var(--primary)}
.notice{padding:.8rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.88rem;display:flex;align-items:center;gap:.6rem}
.notice.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.notice.ok{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.auth-foot{text-align:center;font-size:.88rem;color:var(--text-4);margin:1rem 0 0}
/* Course detail */
.course-hero{position:relative;padding:7rem 0 4rem;color:#fff;isolation:isolate;overflow:hidden}
.ch-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:3rem;align-items:start;position:relative;z-index:2}
.ch-bread{font-size:.82rem;margin-bottom:1rem;display:flex;gap:.4rem;align-items:center;color:rgba(255,255,255,.8);flex-wrap:wrap}
.ch-bread a{color:rgba(255,255,255,.9)}
.ch-bread a:hover{color:#fff}
.ch-bread i{font-size:.65rem;opacity:.7}
.ch-cat{display:inline-block;padding:.3rem .8rem;border-radius:999px;background:rgba(249,115,22,.9);color:#fff;font-size:.75rem;font-weight:700;margin-bottom:1rem}
.ch-left h1{color:#fff;margin-bottom:.8rem}
.ch-meta{display:flex;gap:1.3rem;flex-wrap:wrap;margin:1.2rem 0;font-size:.9rem}
.ch-meta > span{display:inline-flex;align-items:center;gap:.4rem;color:rgba(255,255,255,.9)}
.ch-rating{color:#fbbf24;font-weight:700}
.ch-rating small{color:rgba(255,255,255,.7);font-weight:400}
.ch-instr{display:flex;align-items:center;gap:.9rem;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.2)}
.ch-instr img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.3)}
.c-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);color:var(--text-1);position:sticky;top:90px}
.c-card-img{position:relative;aspect-ratio:16/9;background-size:cover;background-position:center;display:grid;place-items:center}
.c-card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.4),transparent)}
.play-btn{width:64px;height:64px;border-radius:50%;background:#fff;color:var(--primary);display:grid;place-items:center;box-shadow:0 12px 30px rgba(0,0,0,.3);cursor:pointer;font-size:1.1rem;padding-left:4px;z-index:2;transition:transform .3s}
.play-btn:hover{transform:scale(1.1)}
.c-card-body{padding:1.4rem}
.c-price{display:flex;align-items:baseline;gap:.7rem;margin-bottom:.8rem;align-items:center;flex-wrap:wrap}
.now-big{font-size:2.2rem;font-weight:900}
.old-big{color:var(--text-4);text-decoration:line-through;font-size:1rem}
.free-big{font-size:2rem;font-weight:900;color:var(--success)}
.off{background:#fee2e2;color:#dc2626;padding:.2rem .6rem;border-radius:6px;font-size:.75rem;font-weight:700}
.c-include{margin-top:1.2rem;padding-top:1.2rem;border-top:1px solid var(--border)}
.c-include h4{margin-bottom:.7rem;font-size:.88rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em}
.c-include ul{list-style:none}
.c-include li{padding:.4rem 0;font-size:.88rem;color:var(--text-2);display:flex;gap:.7rem;align-items:center}
.c-include li i{color:var(--success);width:16px}
.course-body{padding:3rem 0 5rem;background:var(--bg-soft)}
.cb-grid{display:grid;grid-template-columns:1fr;gap:2rem;max-width:880px;margin:0 auto}
.cb-tabs{display:flex;gap:.2rem;border-bottom:2px solid var(--border);overflow-x:auto;scrollbar-width:none;margin-bottom:1.5rem;background:#fff;border-radius:var(--radius) var(--radius) 0 0;padding:.5rem .5rem 0}
.cb-tabs::-webkit-scrollbar{display:none}
.course-tab{padding:.9rem 1.2rem;background:0;border:0;color:var(--text-3);font-weight:600;font-size:.92rem;border-bottom:3px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;display:inline-flex;align-items:center;gap:.4rem;border-radius:8px 8px 0 0}
.course-tab:hover{color:var(--primary)}
.course-tab.active{color:var(--primary);border-bottom-color:var(--primary);background:var(--bg-soft)}
.tab-panel{display:none;background:#fff;border-radius:0 var(--radius) var(--radius) var(--radius);padding:2rem;box-shadow:var(--shadow-sm);border:1px solid var(--border);border-top:0;animation:fadeUp .35s}
.tab-panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.tab-panel h2{font-size:1.4rem;margin:.5rem 0 1rem}
.learn-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem 1.5rem;margin-bottom:2rem}
.li{display:flex;gap:.6rem;align-items:flex-start;padding:.6rem 0;font-size:.92rem;color:var(--text-2)}
.li i{color:var(--success);margin-top:4px}
.req-list{list-style:none;margin-bottom:2rem}
.req-list li{padding:.4rem 0;color:var(--text-2);font-size:.92rem;display:flex;gap:.6rem;align-items:flex-start}
.req-list li i{color:var(--primary);margin-top:6px;font-size:.55rem}
.curriculum-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;flex-wrap:wrap;gap:.5rem}
.chapter{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:.5rem;overflow:hidden;background:#fff}
.chapter.open{border-color:rgba(37,99,235,.3);box-shadow:var(--shadow-sm)}
.chapter-head{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.2rem;cursor:pointer;background:#f8fafc;transition:background .2s;gap:1rem}
.chapter-head:hover{background:#f1f5f9}
.ch-num{width:30px;height:30px;border-radius:50%;background:#fff;color:var(--text-3);display:grid;place-items:center;font-weight:700;font-size:.8rem;flex-shrink:0;border:1px solid var(--border)}
.chapter.open .ch-num{background:var(--grad-primary);color:#fff;border-color:transparent}
.chapter-head b{font-size:.95rem;flex:1}
.chapter-head small{color:var(--text-4);font-size:.78rem}
.chapter-body{display:none;border-top:1px solid var(--border)}
.chapter.open .chapter-body{display:block}
.lesson-row{display:flex;align-items:center;gap:.8rem;padding:.7rem 1.2rem;color:var(--text-3);font-size:.88rem;border-bottom:1px solid var(--border);transition:background .2s}
.lesson-row:last-child{border-bottom:0}
.lesson-row:hover{background:#f8fafc;color:var(--text-1)}
.lesson-row.free{color:var(--primary)}
.lesson-row .lt{flex:1}
.lesson-row .ld{color:var(--text-4);font-size:.78rem}
.preview-btn{background:var(--bg-soft);border:1px solid var(--border);padding:.3rem .7rem;border-radius:6px;font-size:.72rem;font-weight:600;color:var(--primary);cursor:pointer}
.instr-bio{display:flex;gap:1.3rem;padding:1.5rem;border-radius:var(--radius);background:#f8fafc;border:1px solid var(--border);align-items:flex-start;margin-bottom:1.5rem}
.instr-bio img{width:80px;height:80px;border-radius:50%;object-fit:cover;border:4px solid #fff;box-shadow:var(--shadow)}
.rev-summary{display:grid;grid-template-columns:180px 1fr;gap:2rem;align-items:center;padding:1.5rem;border-radius:var(--radius);background:#f8fafc;border:1px solid var(--border);margin-bottom:1.5rem}
.rs-score{text-align:center}
.rs-score b{font-size:2.8rem;font-weight:900;line-height:1;color:var(--primary)}
.rs-score .stars{color:#f59e0b;margin:.2rem 0;font-size:.9rem}
.rs-score small{color:var(--text-4);font-size:.8rem}
.rs-bars{display:flex;flex-direction:column;gap:.3rem}
.bar-row{display:flex;align-items:center;gap:.6rem;font-size:.78rem;color:var(--text-4)}
.bar-row > span:first-child{flex:0 0 30px}
.bar-row > span:last-child{flex:0 0 30px;text-align:right}
.bar-row .bar{flex:1;height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.bar-row .fill{height:100%;background:linear-gradient(90deg,#fbbf24,#f59e0b);border-radius:999px}
.faq{border-bottom:1px solid var(--border);padding:1rem 0}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;font-weight:600;font-size:.98rem}
.faq-q i{color:var(--text-4);transition:transform .3s}
.faq.open .faq-q i{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);color:var(--text-3);font-size:.92rem;line-height:1.7}
.faq.open .faq-a{max-height:400px;padding-top:.8rem}
/* Dashboard */
.dash-wrap{padding:6rem 0 3rem;background:var(--bg-soft);min-height:100vh;display:grid;grid-template-columns:280px 1fr;gap:1.5rem;max-width:1280px;margin:0 auto;padding:6rem 1.25rem 3rem}
.dash-side{position:sticky;top:90px;align-self:start;display:flex;flex-direction:column;gap:1rem}
.dash-user{background:#fff;border-radius:var(--radius-lg);padding:1.3rem;border:1px solid var(--border);display:flex;align-items:center;gap:.9rem}
.dash-avatar{width:52px;height:52px;border-radius:50%;object-fit:cover;border:3px solid #eff6ff}
.dash-user b{display:block;font-size:.95rem}
.dash-user small{color:var(--text-4);font-size:.75rem;word-break:break-all}
.dash-nav{background:#fff;border-radius:var(--radius-lg);padding:.6rem;border:1px solid var(--border);display:flex;flex-direction:column;gap:.2rem}
.dash-nav a{display:flex;align-items:center;gap:.7rem;padding:.7rem .9rem;border-radius:10px;font-size:.88rem;color:var(--text-3);transition:.2s}
.dash-nav a:hover{background:var(--bg-soft);color:var(--text-1)}
.dash-nav a.active{background:rgba(37,99,235,.08);color:var(--primary);font-weight:600}
.dash-nav a i{width:16px;text-align:center}
.dash-logout{border-top:1px solid var(--border);margin-top:.4rem;padding-top:.8rem;color:var(--danger)!important}
.dash-logout:hover{background:#fef2f2!important;color:var(--danger)!important}
.dash-main{min-width:0}
.dash-panel{display:none;animation:fadeUp .3s}
.dash-panel.active{display:block}
.dash-welcome{background:#fff;border-radius:var(--radius-lg);padding:2rem;border:1px solid var(--border);display:flex;justify-content:space-between;gap:2rem;align-items:center;flex-wrap:wrap;margin-bottom:1.5rem}
.dash-welcome h1{font-size:1.6rem;margin:.2rem 0}
.dash-welcome p{color:var(--text-3);font-family:var(--f-bn);font-size:.92rem;margin:0}
.dash-streak{background:linear-gradient(135deg,#fff7ed,#ffedd5);border-radius:var(--radius);padding:.9rem 1.2rem;display:flex;align-items:center;gap:.8rem;border:1px solid #fed7aa}
.dash-streak i{font-size:1.8rem;color:var(--accent)}
.dash-streak b{display:block;font-weight:800;color:#9a3412}
.dash-streak small{color:#c2410c;font-size:.78rem}
.dash-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}
.ds{padding:1.1rem;border-radius:var(--radius);background:#fff;border:1px solid var(--border);display:flex;gap:.9rem;align-items:center;transition:.2s}
.ds:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.ds i{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;font-size:1.1rem}
.ds b{display:block;font-size:1.3rem;font-weight:800;line-height:1}
.ds small{color:var(--text-4);font-size:.76rem}
.continue-card{border-radius:var(--radius-lg);background-size:cover;background-position:center;padding:2.5rem;color:#fff;position:relative;isolation:isolate;overflow:hidden;margin-bottom:1.5rem}
.ccard-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(37,99,235,.95),rgba(15,23,42,.85));z-index:-1}
.pbar{height:8px;background:rgba(255,255,255,.2);border-radius:999px;overflow:hidden;max-width:500px}
.pbar .fill{height:100%;background:#fff;border-radius:999px;transition:width 1.2s cubic-bezier(.16,1,.3,1)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem}
.card-head{margin-bottom:1rem}
.card-head h3{display:flex;align-items:center;gap:.6rem;font-size:1.05rem}
.activity{display:flex;gap:.6rem;align-items:flex-end;height:140px;padding:.5rem 0}
.activity .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:.4rem;height:100%}
.activity .bar .fill{width:100%;background:linear-gradient(180deg,#60a5fa,#2563eb);border-radius:6px 6px 0 0;margin-top:auto;transition:height 1s}
.activity .bar small{font-size:.72rem;color:var(--text-4)}
.ach{list-style:none}
.ach li{display:flex;align-items:center;gap:.9rem;padding:.7rem 0;border-bottom:1px solid var(--border)}
.ach li:last-child{border-bottom:0}
.ach li i{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}
.ach li b{display:block;font-size:.92rem}
.ach li small{color:var(--text-4);font-size:.78rem}
.mycourses{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1rem}
.mcourse{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;transition:.2s}
.mcourse:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.mcourse > img{width:140px;object-fit:cover;flex-shrink:0}
.mc-body{padding:1rem;flex:1;min-width:0}
.mc-body h4{font-size:.98rem;line-height:1.4;margin-bottom:.3rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.cert{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;text-align:center;transition:.2s}
.cert:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.cert > i{font-size:3rem;background:linear-gradient(135deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.8rem;display:block}
.cert h4{margin-bottom:.3rem;font-size:1rem}
.cert small{color:var(--text-4);font-size:.8rem}
.orders{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.orders th,.orders td{padding:.9rem 1rem;text-align:left;border-bottom:1px solid var(--border);font-size:.88rem}
.orders th{background:#f8fafc;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-4)}
.badge.ok{background:#dcfce7;color:#166534;padding:.2rem .6rem;border-radius:6px;font-size:.75rem;font-weight:700}
.profile-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;max-width:640px}
.profile-form .field{margin-bottom:1rem}
.profile-form .inp textarea{padding:.9rem .8rem}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:2.5rem;align-items:flex-start}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;display:flex;gap:1rem;align-items:center;margin-bottom:.8rem;transition:.2s}
.contact-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.contact-card > i{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;font-size:1.1rem}
.contact-card b{display:block}
.contact-card small{color:var(--text-4);font-size:.82rem}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem}
.contact-form h2{margin-bottom:.5rem}
.social{display:flex;gap:.6rem}
.social a{width:40px;height:40px;border-radius:50%;background:var(--bg-soft);color:var(--text-2);display:grid;place-items:center;transition:.2s}
.social a:hover{background:var(--primary);color:#fff;transform:translateY(-3px)}
/* About */
.stat-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;padding:2.5rem;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.stat-strip .st{text-align:center}
.stat-strip .st b{display:block;font-size:2rem;font-weight:900;color:var(--primary);line-height:1}
.stat-strip .st small{color:var(--text-4);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;margin-top:.3rem;display:block}
/* Lesson */
.lesson-wrap{padding-top:4rem;display:grid;grid-template-columns:1fr 340px;min-height:100vh;background:#0f172a}
.lesson-main{background:#fff;min-height:100vh;display:flex;flex-direction:column}
.lesson-video{aspect-ratio:16/9;position:relative;display:grid;place-items:center;background-size:cover;background-position:center}
.lesson-play{width:80px;height:80px;border-radius:50%;background:rgba(255,255,255,.95);color:var(--primary);display:grid;place-items:center;font-size:1.4rem;cursor:pointer;box-shadow:0 20px 50px rgba(0,0,0,.3);transition:.3s;padding-left:6px}
.lesson-play:hover{transform:scale(1.1)}
.lesson-body{padding:2rem;max-width:880px;margin:0 auto;width:100%}
.lesson-bread{margin-bottom:1rem;color:var(--primary);font-weight:600;font-size:.88rem}
.lesson-bread a:hover{text-decoration:underline}
.lesson-body h1{font-size:1.8rem;margin-bottom:.5rem}
.lesson-actions{display:flex;gap:.5rem;margin:1.5rem 0;flex-wrap:wrap}
.lesson-tabs{margin:2rem 0 1rem}
.lesson-curriculum{background:#f8fafc;border-left:1px solid var(--border);overflow-y:auto;max-height:calc(100vh - 64px);position:sticky;top:64px}
.lc-head{padding:1.2rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);background:#fff;position:sticky;top:0;z-index:2}
.lc-head h4{font-size:.95rem}
.lesson-curriculum .chapter-head{background:transparent}
.lesson-row.active{background:rgba(37,99,235,.08);color:var(--primary);font-weight:600}
.lesson-row.active i{color:var(--primary)!important}
/* 404 */
.nf-section{min-height:80vh;display:grid;place-items:center;padding:6rem 1rem;position:relative;overflow:hidden}
.nf-bg{position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,#dbeafe,transparent 50%),radial-gradient(circle at 70% 70%,#ffedd5,transparent 50%);z-index:0}
.nf-num{font-size:clamp(6rem,18vw,12rem);font-weight:900;background:var(--grad-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;margin-bottom:1rem}
/* Footer */
.footer{background:#0f172a;color:#cbd5e1;padding:4rem 0 1.5rem;margin-top:0}
.footer h4{color:#fff;margin-bottom:1rem;font-size:1rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.footer p{color:#94a3b8;font-size:.88rem;line-height:1.7;font-family:var(--f-bn);margin-bottom:.8rem;max-width:340px}
.footer ul{list-style:none}
.footer ul li{margin-bottom:.55rem}
.footer ul a{font-size:.88rem;color:#94a3b8;transition:.2s}
.footer ul a:hover{color:#fff}
.footer-bottom{padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem;font-size:.82rem;color:#64748b}
/* Responsive */
@media(max-width:1000px){
  .hero-grid,.why-grid,.contact-grid,.ch-grid,.auth-grid{grid-template-columns:1fr}
  .hero-visual{min-height:360px;max-width:500px;margin:0 auto}
  .offer-card{grid-template-columns:1fr;padding:2rem}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .dash-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sp-content-wrap{grid-template-columns:1fr}
  .dash-wrap{grid-template-columns:1fr}
  .lesson-wrap{grid-template-columns:1fr}
  .lesson-curriculum{position:static;max-height:none}
}
@media(max-width:600px){
  .hero-stats{gap:1.2rem}
  .hero-stats b{font-size:1.3rem}
  .learn-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr 1fr}
  .rev-summary{grid-template-columns:1fr}
  .mycourses{grid-template-columns:1fr}
  .mcourse{flex-direction:column}
  .mcourse > img{width:100%;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:3.5rem 0}
  .cat-filter{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:.5rem}
  .cat{flex-shrink:0}
  .contact-form,.auth-card,.card,.profile-form{padding:1.3rem}
  .cta-final,.offer-card{padding:2rem 1.3rem}
}

/* AlinLearning 2026 visual/content expansion */
.al-brand-note{padding:18px 0;background:#0f172a;color:#fff}
.al-brand-note .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.al-brand-note strong{font-size:1.08rem}.al-brand-note span{margin-left:8px;color:#cbd5e1}.al-brand-note small{color:#94a3b8}
.al-track-section{position:relative;overflow:hidden}.al-extra-grid{margin-top:28px}
.al-extra-grid .course-card .cc-img{min-height:210px}
@media(max-width:760px){.al-brand-note .container{display:block}.al-brand-note small{display:block;margin-top:7px}.al-brand-note span{display:block;margin:4px 0 0}}
.cc-bn-title{font-family:'Hind Siliguri',sans-serif;color:#475569;font-size:.9rem;font-weight:600;margin-top:-6px;margin-bottom:6px;line-height:1.45}

.al-broad-cats{grid-template-columns:repeat(3,minmax(0,1fr))}.al-broad-cat-card{padding:1.25rem;text-align:left;min-height:190px}.al-broad-cat-card .cat-icon{margin-bottom:.75rem}.al-broad-cat-card h4{margin:.1rem 0 .4rem}.al-broad-cat-card p{font-size:.72rem;line-height:1.55;color:var(--text-3);margin:0 0 .7rem}.al-broad-cat-card small{font-weight:800;color:var(--primary)}
@media(max-width:900px){.al-broad-cats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.al-broad-cats{grid-template-columns:1fr}}