/* ============================================================
   assets/css/style.css — Motech Digital Solution
   ============================================================ */
:root {
  --navy:       #1B2A6B;
  --navy-deep:  #090f28;
  --cyan:       #00AEEF;
  --cyan-light: #4dcfff;
  --cyan-dim:   rgba(0,174,239,0.12);
  --white:      #ffffff;
  --text-muted: rgba(255,255,255,0.52);
  --card-bg:    rgba(255,255,255,0.04);
  --border:     rgba(0,174,239,0.18);
  --success:    #00c97a;
  --danger:     #ff4d6d;
  --gold:       #ffd700;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Outfit',sans-serif;background:var(--navy-deep);color:var(--white);min-height:100vh;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;background-image:repeating-linear-gradient(90deg,transparent 0,transparent 59px,rgba(0,174,239,0.025) 59px,rgba(0,174,239,0.025) 60px),repeating-linear-gradient(0deg,transparent 0,transparent 59px,rgba(0,174,239,0.025) 59px,rgba(0,174,239,0.025) 60px);}

/* NAV */
#main-nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(9,15,40,0.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:0 5%;display:flex;align-items:center;justify-content:space-between;height:64px;}
.nav-logo img{height:36px;background:white;border-radius:8px;padding:3px 10px;}
.nav-links{display:flex;gap:24px;align-items:center;}
.nav-links a{color:var(--text-muted);font-size:13px;font-weight:500;text-decoration:none;letter-spacing:0.4px;display:flex;align-items:center;gap:6px;transition:color .2s;}
.nav-links a:hover{color:var(--cyan);}
.nav-auth,#nav-user-info{display:flex;gap:8px;align-items:center;}
.nav-user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--cyan));display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:white;flex-shrink:0;}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;border-radius:50px;font-family:'Outfit',sans-serif;font-size:13px;font-weight:700;cursor:pointer;border:none;transition:all .2s;text-decoration:none;letter-spacing:0.4px;white-space:nowrap;}
.btn-primary{background:linear-gradient(135deg,var(--cyan),#0080bb);color:white;box-shadow:0 4px 20px rgba(0,174,239,0.3);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,174,239,0.5);}
.btn-outline{background:transparent;color:var(--cyan);border:1px solid rgba(0,174,239,0.4);}
.btn-outline:hover{background:var(--cyan-dim);}
.btn-ghost{background:rgba(255,255,255,0.06);color:var(--white);}
.btn-ghost:hover{background:rgba(255,255,255,0.12);}
.btn-success{background:linear-gradient(135deg,var(--success),#009e5c);color:white;}
.btn-sm{padding:7px 14px;font-size:12px;}
.btn-lg{padding:14px 34px;font-size:15px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;}

/* HERO */
#hero{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:100px 5% 60px;}
.hero-glow{position:absolute;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(0,174,239,0.10) 0%,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;}
.hero-content{position:relative;z-index:1;max-width:800px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,174,239,0.08);border:1px solid rgba(0,174,239,0.28);border-radius:50px;padding:6px 18px;margin-bottom:24px;font-size:11px;font-weight:700;letter-spacing:2px;color:var(--cyan);text-transform:uppercase;animation:fadeUp .6s ease both;}
.pulse-dot{width:6px;height:6px;background:var(--cyan);border-radius:50%;animation:pulse 1.5s ease infinite;}
.hero-title{font-family:'Bebas Neue',sans-serif;font-size:clamp(50px,8vw,88px);line-height:1;letter-spacing:3px;animation:fadeUp .7s .1s ease both;}
.hero-title .accent{color:var(--cyan);display:block;}
.hero-sub{font-size:16px;color:var(--text-muted);font-weight:300;margin:20px 0 36px;line-height:1.8;animation:fadeUp .7s .2s ease both;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;animation:fadeUp .7s .3s ease both;}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:64px;animation:fadeUp .7s .4s ease both;flex-wrap:wrap;}
.stat{text-align:center;}
.stat-num{font-family:'Bebas Neue',sans-serif;font-size:40px;color:var(--cyan);line-height:1;}
.stat-label{font-size:11px;color:var(--text-muted);letter-spacing:1px;text-transform:uppercase;margin-top:4px;}

/* SECTIONS */
section{position:relative;z-index:1;padding:80px 5%;}
.section-header{text-align:center;margin-bottom:50px;}
.section-label{font-size:11px;font-weight:700;letter-spacing:3px;color:var(--cyan);text-transform:uppercase;margin-bottom:12px;display:block;}
.section-title{font-family:'Bebas Neue',sans-serif;font-size:clamp(32px,4vw,52px);letter-spacing:2px;}
.section-sub{color:var(--text-muted);font-size:14px;margin-top:10px;font-weight:300;}

/* HOW IT WORKS */
#how-it-works{background:rgba(27,42,107,0.10);}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;}
.step{text-align:center;padding:32px 20px;background:var(--card-bg);border:1px solid var(--border);border-radius:16px;transition:transform .3s;}
.step:hover{transform:translateY(-4px);}
.step-icon{width:60px;height:60px;border-radius:50%;background:var(--cyan-dim);border:1px solid rgba(0,174,239,0.3);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;color:var(--cyan);}
.step-num{font-family:'Bebas Neue',sans-serif;font-size:11px;letter-spacing:2px;color:var(--cyan);margin-bottom:8px;display:block;}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:13px;color:var(--text-muted);line-height:1.6;}

/* CART BAR */
.cart-bar{position:sticky;top:64px;z-index:100;background:rgba(9,15,40,0.97);backdrop-filter:blur(14px);border:1px solid rgba(0,174,239,0.25);border-radius:12px;margin-bottom:24px;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:0 4px 24px rgba(0,0,0,0.4);}
.cart-bar.hidden{display:none;}
.cart-summary{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:8px;}
.cart-summary i{color:var(--cyan);}
.cart-summary strong{color:var(--cyan);font-size:17px;}
.cart-count{background:var(--cyan);color:var(--navy-deep);font-size:11px;font-weight:900;width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-left:6px;}

/* FILTER TABS */
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px;}
.filter-tab{padding:7px 18px;border-radius:50px;font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:transparent;color:var(--text-muted);transition:all .2s;}
.filter-tab.active,.filter-tab:hover{background:var(--cyan-dim);color:var(--cyan);border-color:var(--cyan);}

/* COURSE CARDS */
.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px;}
.course-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:22px;position:relative;overflow:hidden;transition:all .3s;cursor:pointer;}
.course-card:hover{transform:translateY(-4px);border-color:rgba(0,174,239,0.4);box-shadow:0 12px 40px rgba(0,0,0,0.3);}
.course-card.selected{border-color:var(--cyan);background:rgba(0,174,239,0.07);box-shadow:0 0 0 2px rgba(0,174,239,0.25);}
.course-card.enrolled{border-color:var(--success);}
.course-card.enrolled:hover{box-shadow:0 8px 30px rgba(0,201,122,0.2);}
.course-card.bundle{border-color:rgba(255,215,0,0.3);}
.course-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--navy),var(--cyan));}
.course-card.enrolled::before{background:linear-gradient(90deg,#00c97a,#4dffa0);}
.course-card.bundle::before{background:linear-gradient(90deg,var(--navy),var(--gold));}
.enrolled-badge{display:none;position:absolute;top:12px;right:12px;background:var(--success);color:white;font-size:10px;font-weight:700;padding:3px 10px;border-radius:20px;letter-spacing:1px;text-transform:uppercase;}
.course-card.enrolled .enrolled-badge{display:flex;align-items:center;gap:4px;}
.course-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px;}
.course-num{font-family:'Bebas Neue',sans-serif;font-size:12px;color:var(--cyan);letter-spacing:1px;background:var(--cyan-dim);padding:3px 10px;border-radius:20px;}
.course-level{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:3px 10px;border-radius:20px;}
.level-Beginner{background:rgba(0,201,122,0.1);color:#00c97a;}
.level-Intermediate{background:rgba(255,165,0,0.1);color:#ffa500;}
.level-Advanced{background:rgba(255,77,109,0.1);color:#ff4d6d;}
.level-AllLevels{background:rgba(0,174,239,0.1);color:var(--cyan);}
.course-icon{font-size:24px;margin-bottom:12px;color:var(--cyan);}
.course-title{font-size:16px;font-weight:800;margin-bottom:8px;line-height:1.3;}
.course-desc{font-size:12px;color:var(--text-muted);line-height:1.6;margin-bottom:14px;}
.course-meta{display:flex;gap:12px;margin-bottom:14px;flex-wrap:wrap;}
.meta-item{font-size:11px;color:var(--text-muted);display:flex;align-items:center;gap:5px;}
.meta-item i{color:var(--cyan);font-size:10px;}
.course-footer{display:flex;justify-content:space-between;align-items:center;}
.course-price{font-family:'Bebas Neue',sans-serif;font-size:22px;color:var(--cyan);letter-spacing:1px;}
.course-card.bundle .course-price{color:var(--gold);}
.course-price small{font-family:'Outfit',sans-serif;font-size:11px;color:var(--text-muted);display:block;font-weight:400;}
.select-btn{width:36px;height:36px;border-radius:50%;border:2px solid var(--border);background:transparent;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;font-size:13px;}
.course-card.selected .select-btn{background:var(--cyan);border-color:var(--cyan);color:white;}
.enrolled-start-btn{display:none;}
.course-card.enrolled .enrolled-start-btn{display:flex;align-items:center;justify-content:center;gap:6px;background:rgba(0,201,122,0.12);border:1px solid rgba(0,201,122,0.35);color:var(--success);font-size:12px;font-weight:700;padding:8px 14px;border-radius:8px;cursor:pointer;width:100%;margin-top:12px;transition:all .2s;}
.course-card.enrolled .enrolled-start-btn:hover{background:rgba(0,201,122,0.22);}

/* DASHBOARD */
.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:28px;flex-wrap:wrap;gap:16px;}
.dash-title{font-family:'Bebas Neue',sans-serif;font-size:36px;letter-spacing:2px;}
.dash-sub{font-size:14px;color:var(--text-muted);margin-top:4px;}
.dash-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:36px;}
.dash-stat{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;align-items:center;gap:14px;}
.dash-stat i{font-size:22px;color:var(--cyan);width:28px;text-align:center;}
.dash-stat strong{display:block;font-family:'Bebas Neue',sans-serif;font-size:26px;color:var(--white);line-height:1;}
.dash-stat span{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;}
.my-courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
.my-course-card{background:var(--card-bg);border:1px solid rgba(0,201,122,0.2);border-radius:16px;padding:22px;position:relative;overflow:hidden;transition:all .3s;}
.my-course-card:hover{transform:translateY(-3px);border-color:rgba(0,201,122,0.4);box-shadow:0 10px 30px rgba(0,0,0,0.3);}
.my-course-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#00c97a,#4dffa0);}
.my-course-card-icon{font-size:26px;color:var(--cyan);margin-bottom:12px;}
.my-course-name{font-size:15px;font-weight:800;margin-bottom:8px;line-height:1.3;}
.my-course-meta{font-size:11px;color:var(--text-muted);display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.my-course-meta span{display:flex;align-items:center;gap:4px;}
.my-course-meta i{color:var(--success);}
.mini-progress-bar{height:4px;background:rgba(255,255,255,0.08);border-radius:2px;margin-bottom:6px;overflow:hidden;}
.mini-progress-fill{height:100%;background:linear-gradient(90deg,var(--cyan),var(--cyan-light));border-radius:2px;transition:width .5s;}
.progress-label{font-size:11px;color:var(--text-muted);margin-bottom:12px;}
.open-course-btn{width:100%;padding:11px;background:var(--cyan-dim);border:1px solid rgba(0,174,239,0.35);color:var(--cyan);border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;letter-spacing:0.5px;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;}
.open-course-btn:hover{background:rgba(0,174,239,0.2);transform:translateY(-1px);}

/* COURSE VIEWER */
.viewer-layout{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start;}
.viewer-sidebar{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:24px;position:sticky;top:84px;}
.viewer-sidebar-header{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border);}
.content-card{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:16px;padding:36px;min-height:400px;}
.progress-box{background:rgba(0,174,239,0.06);border:1px solid rgba(0,174,239,0.18);border-radius:12px;padding:16px;margin-bottom:16px;}
.progress-bar-bg{height:8px;background:rgba(255,255,255,0.08);border-radius:4px;overflow:hidden;}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--cyan),var(--cyan-light));border-radius:4px;transition:width .6s ease;}

/* CHECKOUT */
.checkout-items{margin-bottom:20px;max-height:260px;overflow-y:auto;}
.checkout-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.06);font-size:13px;}
.checkout-item:last-child{border-bottom:none;}
.checkout-item-name{font-weight:600;}
.checkout-item-price{color:var(--cyan);font-weight:700;}
.checkout-remove{background:none;border:none;color:var(--danger);cursor:pointer;font-size:14px;padding:4px;}
.checkout-total{background:rgba(0,174,239,0.07);border:1px solid rgba(0,174,239,0.2);border-radius:12px;padding:16px;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}
.checkout-total-label{font-size:13px;color:var(--text-muted);}
.checkout-total-amount{font-family:'Bebas Neue',sans-serif;font-size:30px;color:var(--cyan);}

/* MODALS */
.modal-overlay{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,0.78);backdrop-filter:blur(7px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:all .3s;}
.modal-overlay.open{opacity:1;visibility:visible;}
.modal{background:#0d1535;border:1px solid var(--border);border-radius:20px;padding:36px;width:100%;max-width:440px;position:relative;transform:scale(.95) translateY(20px);transition:all .3s;max-height:90vh;overflow-y:auto;}
.modal-overlay.open .modal{transform:scale(1) translateY(0);}
.modal-close{position:absolute;top:16px;right:16px;background:rgba(255,255,255,0.06);border:none;color:var(--text-muted);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:all .2s;}
.modal-close:hover{background:rgba(255,77,109,0.2);color:var(--danger);}
.modal-logo{text-align:center;margin-bottom:20px;}
.modal-logo img{height:38px;background:white;border-radius:8px;padding:3px 10px;}
.modal h2{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:2px;margin-bottom:6px;}
.modal-sub{font-size:13px;color:var(--text-muted);margin-bottom:24px;}
.tabs{display:flex;gap:4px;background:rgba(255,255,255,0.04);border-radius:10px;padding:4px;margin-bottom:24px;}
.tab{flex:1;padding:9px;border-radius:8px;border:none;background:transparent;color:var(--text-muted);font-family:'Outfit',sans-serif;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;}
.tab.active{background:var(--cyan);color:white;box-shadow:0 2px 12px rgba(0,174,239,0.3);}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:11px;font-weight:700;color:var(--text-muted);margin-bottom:7px;letter-spacing:0.5px;text-transform:uppercase;}
.form-group input{width:100%;padding:12px 16px;background:rgba(255,255,255,0.05);border:1px solid var(--border);border-radius:10px;color:var(--white);font-family:'Outfit',sans-serif;font-size:14px;transition:border-color .2s;}
.form-group input:focus{outline:none;border-color:var(--cyan);background:rgba(0,174,239,0.05);}
.form-group input::placeholder{color:rgba(255,255,255,0.2);}
.form-error{font-size:12px;color:var(--danger);margin-top:6px;display:none;background:rgba(255,77,109,0.08);border:1px solid rgba(255,77,109,0.2);padding:8px 12px;border-radius:8px;}

/* TOAST */
#toast{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none;}
.toast-msg{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:12px;font-size:13px;font-weight:600;max-width:360px;box-shadow:0 8px 32px rgba(0,0,0,0.4);animation:toastIn .3s ease;pointer-events:all;}
.toast-success{background:#071f12;border:1px solid var(--success);color:var(--success);}
.toast-error{background:#1f070d;border:1px solid var(--danger);color:var(--danger);}
.toast-info{background:#07121f;border:1px solid var(--cyan);color:var(--cyan);}

/* FOOTER */
#main-footer{position:relative;z-index:1;background:rgba(0,0,0,0.45);border-top:1px solid var(--border);padding:40px 5% 20px;text-align:center;}
.footer-logo{margin-bottom:14px;}
.footer-logo img{height:34px;background:white;border-radius:8px;padding:3px 10px;}
#main-footer p{font-size:12px;color:var(--text-muted);line-height:1.8;}
.footer-links{display:flex;gap:20px;justify-content:center;margin-top:14px;flex-wrap:wrap;}
.footer-links a{font-size:12px;color:var(--text-muted);text-decoration:none;transition:color .2s;}
.footer-links a:hover{color:var(--cyan);}
.footer-accent{height:3px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);margin-top:22px;}

/* SPINNER */
.spinner{border:2px solid rgba(255,255,255,0.2);border-top-color:white;border-radius:50%;animation:spin .7s linear infinite;}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.6)}}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
@keyframes spin{to{transform:rotate(360deg)}}

/* RESPONSIVE */
@media(max-width:900px){.viewer-layout{grid-template-columns:1fr;}.viewer-sidebar{position:static;}}
@media(max-width:768px){.nav-links{display:none;}.hero-stats{gap:24px;}.modal{padding:24px;}.cart-bar{flex-direction:column;text-align:center;}.dashboard-header{flex-direction:column;}}