@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:        #060B13;
  --bg2:       #0B1120;
  --bg3:       #101826;
  --surface:   #131D2E;
  --surface2:  #1A2540;
  --border:    rgba(255,255,255,0.065);
  --border2:   rgba(255,255,255,0.13);
  --accent:    #4F8EF7;
  --accent2:   #00C9B1;
  --accent3:   #A78BFA;
  --gold:      #F5A623;
  --green:     #10D9A0;
  --red:       #F04E4E;
  --text:      #EEF2FF;
  --text2:     #8B9EC7;
  --text3:     #4B5E8A;
  --font:      'Outfit', sans-serif;
  --font-serif:'Lora', serif;
  --r:         10px;
  --r-lg:      18px;
  --nav-h:     66px;
  --max-w:     1160px;
  --shadow:    0 4px 24px rgba(0,0,0,0.6);
  --shadow-lg: 0 8px 56px rgba(0,0,0,0.8);
  --glow-sm:   0 0 32px rgba(79,142,247,0.2);
  --glow-md:   0 0 60px rgba(79,142,247,0.3);
  --glass-bg:  rgba(255,255,255,0.032);
  --glass-border: rgba(255,255,255,0.08);
}

/* ── Custom cursor ──────────────────────────────────────────── */
@media(pointer:fine){
  body{cursor:none}
  a,button,[onclick]{cursor:none}
}
#cursor-dot{position:fixed;top:0;left:0;width:6px;height:6px;background:#fff;border-radius:50%;pointer-events:none;z-index:99999;transform:translate(-50%,-50%);transition:width .2s,height .2s,background .2s,opacity .3s;will-change:left,top}
#cursor-ring{position:fixed;top:0;left:0;width:36px;height:36px;border:1.5px solid rgba(255,255,255,0.65);border-radius:50%;pointer-events:none;z-index:99998;transform:translate(-50%,-50%);transition:width .35s cubic-bezier(.22,.68,0,1.2),height .35s cubic-bezier(.22,.68,0,1.2),border-color .25s,opacity .3s;will-change:left,top}
body.cursor-hover #cursor-dot{width:8px;height:8px;background:var(--accent)}
body.cursor-hover #cursor-ring{width:56px;height:56px;border-color:rgba(79,142,247,0.7)}
body.cursor-hidden #cursor-dot,body.cursor-hidden #cursor-ring{opacity:0}
@media(pointer:coarse){#cursor-dot,#cursor-ring{display:none}}

/* ── Reset ─────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{cursor:pointer;border:none;background:none;font-family:inherit}
ul{list-style:none}
input,textarea,select{font-family:inherit;font-size:1rem}

/* ── Layout ─────────────────────────────────────────────────── */
.container{width:min(100%,var(--max-w));margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flex{display:flex;align-items:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.text-center{text-align:center}

/* ── Typography ─────────────────────────────────────────────── */
.display{font-size:clamp(2.8rem,6vw,5.4rem);font-weight:900;line-height:1.04;letter-spacing:-0.035em}
h1,h2,h3,h4{font-weight:700;line-height:1.2}
h2{font-size:clamp(1.9rem,3.5vw,2.9rem);letter-spacing:-0.025em}
h3{font-size:1.3rem;font-weight:600}
h4{font-size:1rem;font-weight:600}
.lead{font-size:1.1rem;color:var(--text2);font-weight:300;line-height:1.8}
.label{font-size:0.7rem;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;color:var(--accent)}
.gradient-text{background:linear-gradient(135deg,#60A5FA 0%,#A78BFA 50%,#34D399 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── Navigation ─────────────────────────────────────────────── */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;height:var(--nav-h);display:flex;align-items:center;background:rgba(6,11,19,0.72);backdrop-filter:blur(40px) saturate(200%);border-bottom:1px solid rgba(255,255,255,0.055);transition:all 0.3s}
.nav.scrolled{background:rgba(6,11,19,0.96);box-shadow:0 4px 40px rgba(0,0,0,0.6),inset 0 -1px 0 rgba(79,142,247,0.1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.nav-logo{font-size:1.35rem;font-weight:800;display:flex;align-items:center;gap:10px}
.nav-logo-icon{width:34px;height:34px;background:linear-gradient(135deg,#4F8EF7 0%,#7C3AED 60%,#00D4BC 100%);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:0.88rem;font-weight:900;box-shadow:0 2px 18px rgba(79,142,247,0.55),0 0 40px rgba(124,58,237,0.2),inset 0 1px 0 rgba(255,255,255,0.25);letter-spacing:-0.5px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:0.875rem;font-weight:400;color:var(--text2);transition:color 0.2s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:1.5px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transition:transform 0.25s;transform-origin:left}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.hamburger{display:none;flex-direction:column;gap:5px;padding:4px}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all 0.3s}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:var(--r);font-size:0.875rem;font-weight:500;transition:all 0.22s;white-space:nowrap;font-family:var(--font)}
.btn-primary{background:var(--accent);color:#fff;font-weight:500}
.btn-primary:hover{background:#5B9BFF;transform:translateY(-1px);box-shadow:0 4px 24px rgba(79,142,247,0.55),0 0 40px rgba(79,142,247,0.2)}
.btn-outline{border:1px solid var(--border2);color:var(--text2);background:transparent}
.btn-outline:hover{border-color:rgba(79,142,247,0.4);color:var(--text);background:rgba(79,142,247,0.07)}
.btn-ghost{color:var(--text2);padding:10px 14px}
.btn-ghost:hover{color:var(--text)}
.btn-gradient{background:linear-gradient(135deg,#4F8EF7 0%,#7C3AED 50%,#00D4BC 100%);background-size:200% 200%;color:#fff;font-weight:600;box-shadow:0 4px 20px rgba(79,142,247,0.32),0 2px 8px rgba(124,58,237,0.2)}
.btn-gradient:hover{background-position:right center;transform:translateY(-2px);box-shadow:0 8px 36px rgba(79,142,247,0.55),0 4px 16px rgba(124,58,237,0.3)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#d94040}
.btn-success{background:var(--green);color:#0A1A12;font-weight:600}
.btn-success:hover{opacity:0.9;transform:translateY(-1px)}
.btn-lg{padding:14px 32px;font-size:1rem;border-radius:14px}
.btn-sm{padding:6px 14px;font-size:0.8rem;border-radius:8px}
.btn:disabled{opacity:0.5;cursor:not-allowed;transform:none !important}

/* ── Cards ───────────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;transition:border-color 0.25s,transform 0.25s,box-shadow 0.25s}
.card:hover{border-color:rgba(79,142,247,0.28);transform:translateY(-4px);box-shadow:0 16px 56px rgba(0,0,0,0.65),0 0 36px rgba(79,142,247,0.1)}
.card-glass{background:var(--glass-bg);backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--glass-border);border-radius:var(--r-lg);padding:24px}
.glass{background:var(--glass-bg);backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--glass-border)}
.glow-border{box-shadow:0 0 0 1px rgba(79,142,247,0.2),0 0 32px rgba(79,142,247,0.1)}

/* ── Badges ──────────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:100px;font-size:0.72rem;font-weight:600}
.badge-blue{background:rgba(79,142,247,0.15);color:#93C5FD;border:1px solid rgba(79,142,247,0.25)}
.badge-green{background:rgba(16,217,160,0.15);color:#6EE7B7;border:1px solid rgba(16,217,160,0.25)}
.badge-gold{background:rgba(245,166,35,0.15);color:#FCD34D;border:1px solid rgba(245,166,35,0.25)}
.badge-purple{background:rgba(167,139,250,0.15);color:#C4B5FD;border:1px solid rgba(167,139,250,0.25)}
.badge-free{background:rgba(16,217,160,0.12);color:#34D399;border:1px solid rgba(16,217,160,0.2);font-size:0.68rem}
.badge-premium{background:rgba(245,166,35,0.12);color:#FBBF24;border:1px solid rgba(245,166,35,0.2);font-size:0.68rem}
.badge-red{background:rgba(240,78,78,0.15);color:#FCA5A5;border:1px solid rgba(240,78,78,0.25)}

/* ── Section head ────────────────────────────────────────────── */
.section-head{text-align:center;margin-bottom:64px}
.section-head .label{margin-bottom:12px}
.section-head h2{position:relative;padding-bottom:22px}
.section-head h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:56px;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent3),var(--accent2));border-radius:2px;box-shadow:0 0 14px rgba(79,142,247,0.5)}
.section-head p{max-width:520px;margin:22px auto 0;color:var(--text2)}

/* ── Course card ─────────────────────────────────────────────── */
.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:all 0.3s;cursor:pointer}
.course-card:hover{transform:translateY(-8px);box-shadow:0 28px 64px rgba(0,0,0,0.75),0 0 48px rgba(79,142,247,0.13);border-color:rgba(79,142,247,0.35)}
.course-thumb{height:186px;display:flex;align-items:center;justify-content:center;font-size:4.2rem;position:relative;text-shadow:0 8px 24px rgba(0,0,0,0.5)}
.course-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:10px}
.course-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}

/* ── Thumbnails (mesh gradients) ─────────────────────────────── */
.thumb-web{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(79,142,247,0.55) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(0,201,177,0.35) 0%,transparent 65%),linear-gradient(150deg,#060E1C 0%,#0A1930 100%)}
.thumb-ai{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(167,139,250,0.55) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(236,72,153,0.3) 0%,transparent 65%),linear-gradient(150deg,#0D0920 0%,#160D32 100%)}
.thumb-cloud{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(16,217,160,0.55) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(79,142,247,0.3) 0%,transparent 65%),linear-gradient(150deg,#051210 0%,#071C18 100%)}
.thumb-python{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(245,166,35,0.55) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(239,68,68,0.35) 0%,transparent 65%),linear-gradient(150deg,#140904 0%,#1C0E05 100%)}
.thumb-excel{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(16,217,160,0.5) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(6,182,212,0.3) 0%,transparent 65%),linear-gradient(150deg,#050F0C 0%,#071A15 100%)}
.thumb-git{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(239,68,68,0.5) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(245,166,35,0.35) 0%,transparent 65%),linear-gradient(150deg,#140505 0%,#1E0808 100%)}
.thumb-default{background:radial-gradient(ellipse 90% 70% at 25% 50%,rgba(79,142,247,0.45) 0%,transparent 65%),radial-gradient(ellipse 70% 70% at 80% 20%,rgba(167,139,250,0.3) 0%,transparent 65%),linear-gradient(150deg,#060E1C 0%,#0A1628 100%)}

/* ── Forms ───────────────────────────────────────────────────── */
.form-group{display:flex;flex-direction:column;gap:6px}
label{font-size:0.8rem;font-weight:500;color:var(--text2)}
input,textarea,select{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);color:var(--text);padding:11px 14px;width:100%;transition:border-color 0.2s,box-shadow 0.2s;outline:none;font-size:0.9375rem}
input::placeholder,textarea::placeholder{color:var(--text3)}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,142,247,0.18),0 0 20px rgba(79,142,247,0.08)}
textarea{resize:vertical;min-height:110px}
select{appearance:none;cursor:pointer}

/* ── Toast ───────────────────────────────────────────────────── */
.toast{position:fixed;bottom:28px;right:28px;z-index:9999;background:rgba(19,29,46,0.95);backdrop-filter:blur(16px);border:1px solid var(--green);border-radius:12px;padding:14px 20px;display:flex;align-items:center;gap:10px;font-size:0.875rem;color:var(--green);box-shadow:0 8px 32px rgba(0,0,0,0.5),0 0 24px rgba(16,217,160,0.15);transform:translateY(80px);opacity:0;transition:all 0.4s cubic-bezier(.34,1.56,.64,1)}
.toast.show{transform:translateY(0);opacity:1}
.toast.error{border-color:var(--red);color:var(--red);box-shadow:0 8px 32px rgba(0,0,0,0.5),0 0 24px rgba(240,78,78,0.15)}
.toast.info{border-color:var(--accent);color:var(--accent);box-shadow:0 8px 32px rgba(0,0,0,0.5),0 0 24px rgba(79,142,247,0.15)}

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;z-index:500;background:rgba(0,0,0,0.8);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity 0.3s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:rgba(19,29,46,0.96);backdrop-filter:blur(24px) saturate(180%);border:1px solid rgba(79,142,247,0.14);border-radius:22px;padding:32px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;transform:scale(0.95);transition:transform 0.3s;box-shadow:0 24px 80px rgba(0,0,0,0.8),0 0 60px rgba(79,142,247,0.08)}
.modal-overlay.open .modal{transform:scale(1)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.modal-close{font-size:1.4rem;color:var(--text3);padding:4px;transition:color 0.2s}
.modal-close:hover{color:var(--text)}

/* ── Page header ─────────────────────────────────────────────── */
.page-header{padding:calc(var(--nav-h) + 80px) 0 80px;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%);border-bottom:1px solid rgba(79,142,247,0.07);position:relative;overflow:hidden}
.page-header::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 100% at 50% 0%,rgba(79,142,247,0.13) 0%,transparent 70%);pointer-events:none;z-index:0}
.page-header>.container{position:relative;z-index:1}

/* ── Scroll reveal ───────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity 0.55s cubic-bezier(.22,.68,0,1.2),transform 0.55s cubic-bezier(.22,.68,0,1.2)}
.reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:0.08s}
.reveal-delay-2{transition-delay:0.16s}
.reveal-delay-3{transition-delay:0.24s}
.reveal-delay-4{transition-delay:0.32s}

/* ── Footer ──────────────────────────────────────────────────── */
.footer{padding:64px 0 32px;background:var(--bg2);position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(79,142,247,0.6) 30%,rgba(124,58,237,0.5) 50%,rgba(0,201,177,0.6) 70%,transparent 100%)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand p{color:var(--text2);font-size:0.875rem;margin-top:12px;max-width:240px;line-height:1.7}
.footer-col h5{font-size:0.7rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--text3);margin-bottom:14px}
.footer-col a{display:block;color:var(--text2);font-size:0.875rem;padding:4px 0;transition:color 0.2s}
.footer-col a:hover{color:var(--text)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--border)}
.footer-bottom p{color:var(--text3);font-size:0.8rem}

/* ── Stats ───────────────────────────────────────────────────── */
.stat-num{font-size:3rem;font-weight:900;line-height:1;background:linear-gradient(135deg,#60A5FA,#A78BFA);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{color:var(--text2);font-size:0.875rem;margin-top:8px;font-weight:400}

/* ── Video player ────────────────────────────────────────────── */
.video-container{position:relative;background:#000;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;box-shadow:0 16px 56px rgba(0,0,0,0.7)}
.video-container video{width:100%;height:100%;object-fit:contain}
.video-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--surface);color:var(--text2);font-size:0.875rem}
.video-placeholder .icon{font-size:3rem}

/* ── Progress bar ────────────────────────────────────────────── */
.progress-wrap{height:6px;background:var(--surface2);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--accent3),var(--accent2));background-size:200% 100%;animation:progress-flow 3s linear infinite;transition:width 0.5s cubic-bezier(.22,.68,0,1.2);box-shadow:0 0 10px rgba(79,142,247,0.45)}
@keyframes progress-flow{0%{background-position:200% center}100%{background-position:-200% center}}

/* ── Admin sidebar ───────────────────────────────────────────── */
.admin-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.admin-sidebar{background:var(--bg2);border-right:1px solid var(--border);padding:24px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-logo{padding:0 20px 24px;border-bottom:1px solid var(--border);margin-bottom:16px}
.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:0.875rem;color:var(--text2);transition:all 0.2s;border-left:2px solid transparent}
.sidebar-nav a:hover{color:var(--text);background:rgba(255,255,255,0.03)}
.sidebar-nav a.active{color:var(--accent);background:rgba(79,142,247,0.08);border-left-color:var(--accent)}
.admin-main{padding:32px;background:var(--bg);overflow-y:auto}
.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.admin-header h2{font-size:1.5rem}

/* ── KPI cards ───────────────────────────────────────────────── */
.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;transition:all 0.26s;border-left:3px solid transparent;position:relative;overflow:hidden}
.kpi-card::after{content:'';position:absolute;top:-24px;right:-24px;width:80px;height:80px;border-radius:50%;background:rgba(79,142,247,0.05);pointer-events:none}
.kpi-card:hover{border-left-color:var(--accent);box-shadow:0 8px 36px rgba(0,0,0,0.4),0 0 32px rgba(79,142,247,0.1);transform:translateY(-3px)}
.kpi-num{font-size:2.3rem;font-weight:800;font-family:var(--font)}
.kpi-label{color:var(--text2);font-size:0.8rem;margin-top:4px}
.kpi-change{font-size:0.75rem;margin-top:8px}
.kpi-up{color:var(--green)}
.kpi-down{color:var(--red)}

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
table{width:100%;border-collapse:collapse}
thead{background:var(--surface2)}
th{padding:12px 16px;text-align:left;font-size:0.75rem;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--text2)}
td{padding:12px 16px;font-size:0.875rem;border-top:1px solid var(--border)}
tr:hover td{background:rgba(79,142,247,0.04)}
.td-actions{display:flex;gap:8px}

/* ── Switch toggle ───────────────────────────────────────────── */
.switch{position:relative;display:inline-block;width:44px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;inset:0;background:var(--surface2);border-radius:24px;transition:0.3s;border:1px solid var(--border)}
.slider:before{position:absolute;content:'';height:16px;width:16px;left:3px;bottom:3px;background:var(--text3);border-radius:50%;transition:0.3s}
input:checked+.slider{background:var(--accent);border-color:var(--accent)}
input:checked+.slider:before{transform:translateX(20px);background:#fff}

/* ── Stripe ──────────────────────────────────────────────────── */
#stripe-card-element{background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;transition:border-color 0.2s}
#stripe-card-element.StripeElement--focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,142,247,0.15)}
.stripe-error{color:var(--red);font-size:0.8rem;margin-top:6px}

/* ── Feat icon ────────────────────────────────────────────────── */
.feat-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px;box-shadow:0 4px 12px rgba(0,0,0,0.3)}

/* ── Gradient border card ────────────────────────────────────── */
.card-gradient-border{border:1px solid transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,linear-gradient(135deg,rgba(79,142,247,0.3),rgba(0,201,177,0.3)) border-box}

/* ── Divider gradient ────────────────────────────────────────── */
.divider-gradient{height:1px;background:linear-gradient(90deg,transparent,var(--border2),transparent);margin:0}

/* ── Dot grid bg ─────────────────────────────────────────────── */
.dot-grid{background-image:radial-gradient(rgba(79,142,247,0.1) 1px,transparent 1px);background-size:28px 28px}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes float{0%,100%{transform:perspective(1000px) rotateY(-8deg) rotateX(4deg) translateY(0)}50%{transform:perspective(1000px) rotateY(-8deg) rotateX(4deg) translateY(-14px)}}
@keyframes shimmer{0%{background-position:200% center}100%{background-position:-200% center}}
@keyframes orb-drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-25px,35px) scale(0.95)}}
@keyframes fade-up{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes glow-pulse{0%,100%{box-shadow:0 0 24px rgba(79,142,247,0.22)}50%{box-shadow:0 0 48px rgba(79,142,247,0.5)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(0.8)}}
@keyframes spin-slow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* ── Shimmer text ─────────────────────────────────────────────── */
.shimmer-text{background:linear-gradient(90deg,#60A5FA 0%,#A78BFA 30%,#34D399 50%,#A78BFA 70%,#60A5FA 100%);background-size:200% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:shimmer 4s linear infinite}

/* ── Course card accent colors ───────────────────────────────── */
.card-accent-blue{border-top:3px solid #4F8EF7 !important}
.card-accent-purple{border-top:3px solid #A78BFA !important}
.card-accent-teal{border-top:3px solid #10D9A0 !important}
.card-accent-gold{border-top:3px solid #F5A623 !important}
.card-accent-cyan{border-top:3px solid #00C9B1 !important}
.card-accent-red{border-top:3px solid #EF4444 !important}

/* ── Star rating ─────────────────────────────────────────────── */
.stars{color:#F5A623;font-size:0.72rem;letter-spacing:1px}
.stars-row{display:flex;align-items:center;gap:6px}
.stars-count{font-size:0.72rem;color:var(--text3)}

/* ── Course card learner badge ───────────────────────────────── */
.learner-badge{display:inline-flex;align-items:center;gap:4px;font-size:0.72rem;color:var(--text3)}

/* ── Section bg variants ─────────────────────────────────────── */
.section-dark{background:var(--bg2);position:relative}
.section-dark::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(79,142,247,0.06) 0%,transparent 70%);pointer-events:none}

/* ── Glow card ───────────────────────────────────────────────── */
.card-glow{animation:glow-pulse 3s ease-in-out infinite}

/* ── Feature item (horizontal) ───────────────────────────────── */
.feat-item{display:flex;gap:20px;align-items:flex-start;padding:26px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);transition:all 0.28s;position:relative;overflow:hidden}
.feat-item::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 0% 50%,rgba(79,142,247,0.06) 0%,transparent 70%);opacity:0;transition:opacity 0.3s;pointer-events:none}
.feat-item:hover{border-color:rgba(79,142,247,0.28);transform:translateY(-4px);box-shadow:0 20px 56px rgba(0,0,0,0.55),0 0 36px rgba(79,142,247,0.1)}
.feat-item:hover::before{opacity:1}
.feat-item-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;flex-shrink:0;box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.feat-item-text h4{margin-bottom:6px;font-size:1rem}
.feat-item-text p{color:var(--text2);font-size:0.875rem;line-height:1.65}

/* ── Testimonials ────────────────────────────────────────────── */
.testimonial-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:16px;transition:all 0.28s;position:relative;overflow:hidden}
.testimonial-card::before{content:'"';position:absolute;top:12px;right:20px;font-size:5rem;color:rgba(79,142,247,0.1);font-family:var(--font-serif);line-height:1;pointer-events:none}
.testimonial-card:hover{border-color:rgba(79,142,247,0.25);transform:translateY(-5px);box-shadow:0 20px 56px rgba(0,0,0,0.5),0 0 36px rgba(79,142,247,0.08)}
.testimonial-stars{color:var(--gold);font-size:0.85rem;letter-spacing:2px}
.testimonial-text{color:var(--text2);font-size:0.925rem;line-height:1.75;flex:1}
.testimonial-author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--border)}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.82rem;flex-shrink:0;color:#fff}
.testimonial-name{font-weight:600;font-size:0.875rem}
.testimonial-role{font-size:0.75rem;color:var(--text3);margin-top:2px}

/* ── Responsive ──────────────────────────────────────────────── */
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.admin-layout{grid-template-columns:200px 1fr}}
@media(max-width:768px){.section{padding:64px 0}.grid-2,.grid-3{grid-template-columns:1fr}.nav-links,.nav-actions .btn-outline{display:none}.hamburger{display:flex}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px;text-align:center}.admin-layout{grid-template-columns:1fr}.admin-sidebar{display:none}}
@media(max-width:480px){:root{--nav-h:58px}.display{font-size:2.4rem}}