/* ═══════════════════════════════════════════════════
   Shobinzlab — Light Theme  v3.1  · Purple + Blue
   ═══════════════════════════════════════════════════ */
:root{
  --p1:#7C3AED; --p2:#6D28D9; --p3:#4C1D95;
  --b1:#3B82F6; --b2:#1D4ED8;
  --grad:linear-gradient(135deg,var(--p2) 0%,var(--b2) 100%);
  --grad-soft:linear-gradient(135deg,rgba(124,58,237,.07) 0%,rgba(29,78,216,.07) 100%);
  --bg:#FFFFFF; --bg2:#F7F5FF; --bg3:#EDE9FE;
  --card:#FFFFFF; --card-border:rgba(124,58,237,.15);
  --text:#1E1B4B; --text2:#4B5280; --text3:#9CA3AF;
  --white:#FFFFFF;
  --amber:#D97706; --green:#059669; --red:#DC2626;
  --radius:12px; --radius-lg:18px;
  --glow:0 4px 24px rgba(124,58,237,.2);
  --shadow:0 2px 12px rgba(0,0,0,.06);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:'Inter','Segoe UI',sans-serif;background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
img{max-width:100%}

/* NAV */
.nav{position:sticky;top:0;z-index:400;background:#fff;
  border-bottom:1px solid rgba(124,58,237,.1);
  display:flex;align-items:center;padding:0 20px;height:64px;
  box-shadow:0 2px 14px rgba(124,58,237,.07)}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-right:18px}
.nav-logo-img{width:38px;height:38px;border-radius:8px;object-fit:contain;
  background:#fff;padding:3px;box-shadow:0 0 10px rgba(124,58,237,.18)}
.nav-logo-text .name{font-size:1.2rem;font-weight:800;letter-spacing:.06em;
  background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-logo-text .tag{font-size:.52rem;color:var(--p1);letter-spacing:.18em;text-transform:uppercase;font-weight:600}
.nav-links{display:flex;flex:1;overflow-x:auto;scrollbar-width:none;gap:2px}
.nav-links::-webkit-scrollbar{display:none}
.nav-a{padding:0 12px;height:64px;display:flex;align-items:center;font-size:.86rem;font-weight:600;
  color:var(--text2);border:none;border-bottom:3px solid transparent;background:none;
  white-space:nowrap;cursor:pointer;transition:.15s}
.nav-a:hover{color:var(--p1);background:rgba(124,58,237,.04)}
.nav-a.active{color:var(--p2);border-bottom-color:var(--p1);background:rgba(124,58,237,.05)}
.nav-right{margin-left:auto;display:flex;gap:8px;flex-shrink:0;padding-left:12px}
.btn-nav{background:var(--grad);color:#fff;font-size:.82rem;font-weight:700;
  padding:8px 16px;border-radius:8px;border:none;white-space:nowrap;
  box-shadow:0 2px 10px rgba(109,40,217,.25)}
.btn-nav:hover{opacity:.9;box-shadow:var(--glow)}
.burger{display:none;background:rgba(124,58,237,.07);border:1px solid var(--card-border);
  color:var(--p1);font-size:1.2rem;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center}
.nav-drawer{display:none;position:fixed;inset:64px 0 0 0;background:rgba(255,255,255,.98);
  z-index:300;flex-direction:column;padding:16px;gap:4px;border-top:1px solid rgba(124,58,237,.1)}
.nav-drawer.open{display:flex}
.nav-drawer a{color:var(--text);font-size:1rem;font-weight:600;padding:14px 16px;
  border-radius:10px;border-bottom:1px solid rgba(124,58,237,.06)}
.nav-drawer a:hover,.nav-drawer a.active{background:rgba(124,58,237,.06);color:var(--p1)}


/* Responsive navigation: primary links remain visible on desktop. */
@media (max-width:900px){
  .nav-links{display:none}
  .nav .burger{display:flex}
  .nav-right{margin-left:auto}
}
@media (min-width:901px){
  .nav .burger{display:none}
  .nav-links{display:flex}
}

/* TICKER */
.ticker-wrap{background:var(--bg2);border-top:1px solid var(--card-border);
  border-bottom:1px solid var(--card-border);overflow:hidden;padding:10px 0}
.ticker-track{display:flex;gap:0;animation:ticker 22s linear infinite;width:max-content}
.ticker-track:hover{animation-play-state:paused}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ticker-item{display:flex;align-items:center;gap:10px;padding:0 36px;white-space:nowrap;
  font-size:.83rem;color:var(--text2);border-right:1px solid var(--card-border)}
.ticker-item .dot{width:7px;height:7px;border-radius:50%;background:var(--p1);flex-shrink:0}
.ticker-item .badge-new{background:var(--p2);color:#fff;font-size:.62rem;font-weight:700;
  padding:2px 7px;border-radius:10px}

/* HERO */
.hero{position:relative;overflow:hidden;padding:80px 20px 72px;text-align:center;
  background:linear-gradient(135deg,#F7F5FF 0%,#EEF2FF 50%,#F0F9FF 100%)}
.hero-tag{display:inline-block;background:rgba(124,58,237,.09);color:var(--p2);
  font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  padding:5px 14px;border-radius:20px;border:1px solid rgba(124,58,237,.2);margin-bottom:18px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:900;color:var(--text);
  letter-spacing:-.03em;line-height:1.1;margin-bottom:18px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.02rem;color:var(--text2);max-width:600px;margin:0 auto 36px;line-height:1.8}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:none;border-radius:10px;font-weight:700;cursor:pointer;transition:.18s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;padding:13px 28px;font-size:.95rem;
  box-shadow:0 4px 16px rgba(109,40,217,.28)}
.btn-primary:hover{opacity:.88;box-shadow:var(--glow);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--p1);padding:12px 26px;font-size:.9rem;border:2px solid var(--p1)}
.btn-outline:hover{background:rgba(124,58,237,.05);box-shadow:0 0 14px rgba(124,58,237,.15)}
.btn-ghost{background:rgba(124,58,237,.06);color:var(--p1);padding:10px 20px;
  font-size:.88rem;border:1.5px solid rgba(124,58,237,.18)}
.btn-ghost:hover{background:rgba(124,58,237,.12);border-color:var(--p1)}
.btn-sm{padding:7px 14px;font-size:.8rem;border-radius:7px;background:rgba(124,58,237,.07);
  color:var(--p1);border:1px solid rgba(124,58,237,.18)}
.btn-sm:hover{background:var(--p2);color:#fff}
.btn-green{background:var(--green);color:#fff;padding:12px 24px;font-size:.9rem}
.btn-full{width:100%;padding:13px;font-size:.95rem;font-weight:700}

/* LAYOUT */
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:60px 20px}
.section-sm{padding:36px 20px}
.sec-label{font-size:.7rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--p1);margin-bottom:8px}
.sec-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:var(--text);letter-spacing:-.02em;margin-bottom:8px}
.sec-title .grad{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sec-sub{color:var(--text2);font-size:.95rem;margin-bottom:32px;max-width:580px}

/* ANNOUNCEMENTS */
.announce-section{padding:28px 20px;background:var(--bg2)}
.announce-heading{text-align:center;font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--p1);margin-bottom:20px}
.announce-track{display:flex;gap:16px;transition:transform .5s;width:max-content}
.ann-box{width:340px;background:#fff;border:1px solid var(--card-border);border-radius:16px;padding:22px;flex-shrink:0;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.ann-box::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.ann-badge{font-size:.65rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:3px 10px;border-radius:20px;margin-bottom:12px;display:inline-block}
.ann-date{font-size:.75rem;color:var(--text3);margin-bottom:6px}
.ann-title{font-size:1rem;font-weight:800;color:var(--text);margin-bottom:8px;line-height:1.35}
.ann-desc{font-size:.82rem;color:var(--text2);line-height:1.65}
.ann-dot{width:10px;height:10px;border-radius:50%;background:rgba(124,58,237,.18);cursor:pointer;transition:.2s}
.ann-dot.active{background:var(--p1);box-shadow:0 0 8px rgba(124,58,237,.35)}

/* CARDS */
.card{background:#fff;border:1px solid rgba(124,58,237,.1);border-radius:var(--radius-lg);padding:24px;transition:.2s;box-shadow:var(--shadow)}
.card:hover{border-color:var(--p1);box-shadow:0 8px 28px rgba(124,58,237,.14);transform:translateY(-2px)}
.card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;background:var(--grad-soft);border:1px solid rgba(124,58,237,.12)}
.card h3{font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:6px}
.card p{font-size:.86rem;color:var(--text2);line-height:1.7}

/* GRIDS */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}

/* BADGES */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:700;letter-spacing:.04em}
.badge-purple{background:rgba(124,58,237,.09);color:var(--p2);border:1px solid rgba(124,58,237,.22)}
.badge-blue{background:rgba(59,130,246,.09);color:var(--b2);border:1px solid rgba(59,130,246,.22)}
.badge-green{background:rgba(5,150,105,.09);color:var(--green);border:1px solid rgba(5,150,105,.22)}
.badge-amber{background:rgba(217,119,6,.09);color:var(--amber);border:1px solid rgba(217,119,6,.22)}
.badge-free{background:rgba(5,150,105,.08);color:var(--green);border:1px solid rgba(5,150,105,.18)}
.badge-pro{background:var(--grad);color:#fff;border:none;padding:3px 12px}

/* STEP WIZARD */
.step-nav{display:flex;align-items:center;gap:0;margin-bottom:36px;overflow-x:auto;padding-bottom:4px}
.step-circle{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;border:2px solid #E5E7EB;background:#fff;color:#9CA3AF;flex-shrink:0;transition:.3s}
.step-circle.done{background:var(--green);border-color:var(--green);color:#fff}
.step-circle.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 0 16px rgba(124,58,237,.35)}
.step-label{font-size:.72rem;font-weight:600;color:#9CA3AF;margin-top:5px;text-align:center;max-width:72px;line-height:1.3}
.step-label.active{color:var(--p1)}
.step-label.done{color:var(--green)}
.step-connector{width:40px;height:2px;background:#E5E7EB;flex-shrink:0}
.step-connector.done{background:var(--green)}
.step-col{display:flex;flex-direction:column;align-items:center}
.step-panel{display:none}.step-panel.active{display:block}

/* FORM */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:.82rem;font-weight:600;color:var(--text2);margin-bottom:6px}
.form-input{width:100%;padding:11px 14px;border:1.5px solid #E5E7EB;border-radius:9px;font-size:.9rem;background:#fff;color:var(--text);transition:.15s}
.form-input::placeholder{color:#9CA3AF}
.form-input:focus{outline:none;border-color:var(--p1);box-shadow:0 0 0 3px rgba(124,58,237,.08)}
.form-textarea{resize:vertical;min-height:100px}
select.form-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237C3AED' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}

/* COURSE PLAYER */
.course-layout{display:grid;grid-template-columns:300px 1fr;gap:0;min-height:70vh;border:1px solid #E5E7EB;border-radius:14px;overflow:hidden}
.course-sidebar{background:#FAFAFA;border-right:1px solid #E5E7EB;overflow-y:auto;max-height:80vh;position:sticky;top:64px}
.course-sidebar-head{padding:14px 16px;border-bottom:1px solid #E5E7EB;font-size:.82rem;font-weight:700;color:var(--text2);background:#fff}
.lesson-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid #F3F4F6;cursor:pointer;transition:.12s}
.lesson-item:hover{background:rgba(124,58,237,.04)}
.lesson-item.active{background:rgba(124,58,237,.07);border-left:3px solid var(--p1)}
.lesson-check{width:20px;height:20px;border-radius:5px;border:2px solid #D1D5DB;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.7rem}
.lesson-check.done{background:var(--green);border-color:var(--green);color:#fff}
.lesson-title{font-size:.82rem;color:var(--text);flex:1}
.lesson-dur{font-size:.72rem;color:var(--text3)}
.course-main{padding:24px;background:#fff}
.video-box{background:#1F2937;border-radius:12px;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;margin-bottom:18px;position:relative;overflow:hidden;cursor:default}
.youtube-player{display:block;width:100%;height:100%;border:0;border-radius:12px}
.video-empty-state,.video-locked-state{height:100%;width:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;gap:8px;padding:24px;color:#fff}
.video-empty-state span,.video-locked-state span{color:rgba(255,255,255,.72);font-size:.78rem;max-width:480px}
.video-empty-icon,.video-lock-icon{width:68px;height:68px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(124,58,237,.9);font-size:1.6rem;margin-bottom:4px}
.video-empty-state code{background:rgba(255,255,255,.1);padding:2px 5px;border-radius:4px}
.video-locked-state .video-lock-icon{background:rgba(124,58,237,.8)}
.video-box .play-btn{width:72px;height:72px;background:rgba(124,58,237,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;border:3px solid rgba(255,255,255,.3);transition:.2s;color:#fff}
.video-box:hover .play-btn{background:var(--p2);transform:scale(1.08);box-shadow:var(--glow)}
.progress-bar{height:6px;background:#E5E7EB;border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:var(--grad);border-radius:4px;transition:.3s}

/* EXAM */
.question-card{background:#fff;border:1px solid #E5E7EB;border-radius:var(--radius);padding:20px;margin-bottom:14px;box-shadow:var(--shadow)}
.question-text{font-size:.95rem;font-weight:700;color:var(--text);margin-bottom:14px}
.option-label{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;border:1.5px solid #E5E7EB;margin-bottom:8px;cursor:pointer;transition:.15s}
.option-label:hover{border-color:var(--p1);background:rgba(124,58,237,.03)}
.option-label input{accent-color:var(--p1)}
.option-label.correct{border-color:var(--green);background:rgba(5,150,105,.05)}
.option-label.wrong{border-color:var(--red);background:rgba(220,38,38,.05)}

/* PRICING */
.price-card{border-radius:var(--radius-lg);padding:28px;border:1.5px solid #E5E7EB;background:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.price-card.pro{border-color:var(--p1);background:linear-gradient(135deg,rgba(124,58,237,.03),rgba(29,78,216,.03))}
.price-card.pro::after{content:'MOST POPULAR';position:absolute;top:14px;right:-26px;background:var(--grad);color:#fff;font-size:.62rem;font-weight:800;letter-spacing:.1em;padding:4px 40px;transform:rotate(45deg);transform-origin:center}
.price-amount{font-size:2.6rem;font-weight:900;color:var(--text);margin:12px 0 4px}
.price-amount sup{font-size:1.2rem;font-weight:500;vertical-align:top;margin-top:10px;color:var(--p1)}
.price-amount sub{font-size:.9rem;font-weight:400;color:var(--text2)}
.price-feature{display:flex;align-items:flex-start;gap:8px;padding:8px 0;border-bottom:1px solid #F3F4F6;font-size:.86rem;color:var(--text2)}
.price-feature:last-of-type{border:none}

/* PRODUCT CARD */
.prod-card{background:#fff;border:1px solid #E5E7EB;border-radius:var(--radius-lg);overflow:hidden;transition:.2s;box-shadow:var(--shadow)}
.prod-card:hover{border-color:var(--p1);box-shadow:0 8px 30px rgba(124,58,237,.16);transform:translateY(-3px)}
.prod-img{background:linear-gradient(135deg,#EDE9FE,#DBEAFE);height:180px;display:flex;align-items:center;justify-content:center;font-size:3.5rem;position:relative}
.prod-body{padding:20px}
.prod-name{font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:6px}
.prod-desc{font-size:.82rem;color:var(--text2);margin-bottom:14px;line-height:1.65}
.prod-price{font-size:1.4rem;font-weight:800;color:var(--p1);margin-bottom:12px}
.prod-specs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}
.spec-row{background:#F9FAFB;border-radius:7px;padding:8px 12px;border:1px solid #F3F4F6}
.spec-key{font-size:.7rem;color:#9CA3AF;text-transform:uppercase;letter-spacing:.05em}
.spec-val{font-size:.86rem;font-weight:600;color:var(--text);margin-top:2px}

/* CERTIFICATE */
.cert-wrap{background:linear-gradient(135deg,#2D1B69,#1E3A8A);border:2px solid #FCD34D;border-radius:18px;padding:40px;text-align:center;color:#fff}
.cert-wrap h2{color:#FCD34D;font-size:1.5rem;margin-bottom:6px}
.cert-name{font-size:2rem;font-weight:800;color:#fff;padding:16px 0;border-top:1px solid rgba(252,211,77,.3);border-bottom:1px solid rgba(252,211,77,.3);margin:16px 0}
.cert-stars{color:#FCD34D;font-size:1.2rem;letter-spacing:4px}

/* TRACK CARDS */
.track-card{background:#fff;border:1px solid rgba(124,58,237,.13);border-radius:var(--radius-lg);padding:26px;text-align:center;cursor:pointer;transition:.2s;display:block;box-shadow:var(--shadow)}
.track-card:hover{border-color:var(--p1);background:rgba(124,58,237,.02);box-shadow:0 8px 26px rgba(124,58,237,.18);transform:translateY(-3px)}
.track-icon{font-size:2.8rem;margin-bottom:14px;display:block}
.track-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:6px}
.track-sub{font-size:.82rem;color:var(--text2);margin-bottom:14px}
.track-card .arr{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800}

/* ROADMAP */
.roadmap{display:flex;align-items:flex-start;justify-content:center;gap:0;overflow-x:auto;padding:20px 0;width:100%;margin:0 auto}
.rm-step{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:110px}
.rm-circle{width:52px;height:52px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:1.3rem;box-shadow:0 4px 14px rgba(124,58,237,.28)}
.rm-label{font-size:.75rem;font-weight:600;color:var(--text2);text-align:center;line-height:1.4}
.rm-connector{width:60px;height:2px;background:linear-gradient(90deg,var(--p1),var(--b1));flex-shrink:0;margin-top:24px;align-self:flex-start}

/* MAIN TABS */
.main-tabs{display:flex;gap:6px;padding:16px 20px 0;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid #E5E7EB;background:#fff}
.main-tab{padding:11px 20px;border:none;background:none;font-size:.88rem;font-weight:600;color:var(--text2);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap;transition:.15s;border-radius:8px 8px 0 0}
.main-tab:hover{color:var(--p1);background:rgba(124,58,237,.04)}
.main-tab.active{color:var(--p1);border-bottom-color:var(--p1);background:rgba(124,58,237,.04)}
.main-panel{display:none;padding:28px 20px;background:var(--bg2)}
.main-panel.active{display:block}

/* CONTACT */
.contact-method{display:flex;align-items:flex-start;gap:14px;padding:16px;background:#fff;border:1px solid #E5E7EB;border-radius:12px;margin-bottom:10px;box-shadow:var(--shadow)}
.contact-method .ico{width:40px;height:40px;border-radius:9px;background:var(--grad-soft);color:var(--p1);font-size:1.2rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid rgba(124,58,237,.12)}
.contact-method .head{font-weight:700;color:var(--text);font-size:.88rem;margin-bottom:2px}
.contact-method .val{font-size:.85rem;color:var(--p1)}

/* COURSE GRID */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.course-tile{background:#fff;border:1px solid #E5E7EB;border-radius:14px;padding:20px;cursor:pointer;transition:.2s;display:block;box-shadow:var(--shadow)}
.course-tile:hover{border-color:var(--p1);box-shadow:0 6px 22px rgba(124,58,237,.14);transform:translateY(-2px)}
.course-tile .icon{font-size:2rem;margin-bottom:10px;display:block}
.course-tile h4{font-size:.93rem;font-weight:700;color:var(--text);margin-bottom:6px}
.course-tile p{font-size:.79rem;color:var(--text2);line-height:1.6;margin-bottom:10px}

/* DESIGN BUTTONS */
.design-btn{background:#fff;border:1.5px solid #E5E7EB;border-radius:14px;padding:22px;cursor:pointer;display:flex;align-items:center;gap:16px;width:100%;transition:.2s;margin-bottom:12px;box-shadow:var(--shadow)}
.design-btn:hover{border-color:var(--p1);background:rgba(124,58,237,.02)}
.design-btn .icon{font-size:2rem;flex-shrink:0}
.design-btn h4{font-size:.93rem;font-weight:700;color:var(--text);margin-bottom:4px;text-align:left}
.design-btn p{font-size:.8rem;color:var(--text2);text-align:left}
.design-btn .arr{margin-left:auto;font-size:1.2rem;color:var(--p1)}

/* QUICK NAV */
.quick-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.qn-box{background:#fff;border:1.5px solid rgba(124,58,237,.12);border-radius:var(--radius-lg);padding:28px;text-align:center;cursor:pointer;transition:.2s;display:block;box-shadow:var(--shadow)}
.qn-box:hover{border-color:var(--p1);background:rgba(124,58,237,.02);transform:translateY(-3px);box-shadow:0 8px 26px rgba(124,58,237,.16)}
.qn-icon{font-size:2.5rem;margin-bottom:12px;display:block}
.qn-title{font-size:1.1rem;font-weight:800;color:var(--text);margin-bottom:6px}
.qn-sub{font-size:.82rem;color:var(--text2)}

/* CERT BANNER */
.cert-banner{background:linear-gradient(135deg,rgba(124,58,237,.05),rgba(29,78,216,.04));border:1px solid rgba(124,58,237,.18);border-radius:var(--radius-lg);padding:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* TRACK HERO */
.track-hero{background:linear-gradient(135deg,#F7F5FF 0%,#EEF2FF 60%,#F0F9FF 100%);padding:52px 20px 44px;text-align:center}

/* FOOTER - keep dark for contrast */
.footer{background:#1E1B4B;padding:48px 20px 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;max-width:1180px;margin:0 auto 36px}
.footer-brand .name{font-size:1.1rem;font-weight:800;margin-bottom:8px;background:linear-gradient(90deg,#A78BFA,#60A5FA);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-brand p{font-size:.83rem;color:#9CA3AF;line-height:1.8;margin-top:6px}
.footer-col h5{font-size:.82rem;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.05em}
.footer-col a{display:block;font-size:.82rem;color:#9CA3AF;margin-bottom:8px;transition:.12s}
.footer-col a:hover{color:#A78BFA}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:.76rem;color:#6B7280;max-width:1180px;margin:0 auto}

/* UTILITIES */
.divider{height:1px;background:#E5E7EB;margin:24px 0}
.text-grad{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.center{text-align:center}

/* RESPONSIVE */
@media(max-width:900px){
  .grid4,.grid5{grid-template-columns:1fr 1fr}
  .grid3,.course-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .course-layout{grid-template-columns:1fr}
  .course-sidebar{max-height:none;position:relative;top:auto}
}
@media(max-width:640px){
  .grid2,.grid3,.grid4,.grid5,.course-grid,.quick-nav{grid-template-columns:1fr}
  .nav-links{display:none}
  .burger{display:flex}
  .hero h1{font-size:2rem}
  .footer-grid{grid-template-columns:1fr}
  .price-card.pro{position:relative}
}

/* ── CART ── */
.cart-btn{position:relative;background:var(--grad);color:#fff;border:none;border-radius:8px;
  padding:8px 14px;font-size:.82rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:7px}
.cart-btn:hover{opacity:.9;box-shadow:var(--glow)}
.cart-count{background:#fff;color:var(--p2);border-radius:50%;width:18px;height:18px;
  font-size:.68rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cart-drawer{position:fixed;top:0;right:-400px;width:380px;height:100vh;background:#fff;
  border-left:1px solid #E5E7EB;z-index:600;display:flex;flex-direction:column;
  box-shadow:-8px 0 40px rgba(0,0,0,.12);transition:.3s ease}
.cart-drawer.open{right:0}
.cart-overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:590;
  display:none;backdrop-filter:blur(2px)}
.cart-overlay.open{display:block}
.cart-head{padding:18px 20px;border-bottom:1px solid #E5E7EB;display:flex;align-items:center;justify-content:space-between}
.cart-head h3{font-size:1rem;font-weight:800;color:var(--text)}
.cart-close{background:none;border:none;font-size:1.3rem;color:var(--text2);cursor:pointer;
  width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center}
.cart-close:hover{background:#F3F4F6}
.cart-body{flex:1;overflow-y:auto;padding:16px}
.cart-item{display:flex;gap:12px;padding:14px;border:1px solid #E5E7EB;border-radius:10px;margin-bottom:10px}
.cart-item-info{flex:1}
.cart-item-name{font-size:.88rem;font-weight:700;color:var(--text);margin-bottom:3px}
.cart-item-price{font-size:.82rem;color:var(--p1);font-weight:600}
.cart-item-sku{font-size:.72rem;color:#9CA3AF}
.cart-item-qty{display:flex;align-items:center;gap:8px;margin-top:8px}
.qty-btn{width:26px;height:26px;border-radius:6px;border:1px solid #E5E7EB;background:#fff;
  font-size:.9rem;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer}
.qty-btn:hover{background:rgba(124,58,237,.08);border-color:var(--p1)}
.cart-remove{background:none;border:none;color:#9CA3AF;font-size:.75rem;cursor:pointer;margin-left:auto}
.cart-remove:hover{color:var(--red)}
.cart-empty{text-align:center;padding:40px 20px;color:var(--text2)}
.cart-empty .ico{font-size:2.5rem;margin-bottom:10px}
.cart-foot{padding:16px 20px;border-top:1px solid #E5E7EB;background:#FAFAFA}
.cart-total{display:flex;justify-content:space-between;font-weight:800;color:var(--text);
  font-size:1.05rem;margin-bottom:14px}
.cart-methods{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pay-btn{padding:12px;border:2px solid var(--card-border);border-radius:9px;font-weight:700;
  font-size:.88rem;cursor:pointer;transition:.15s;background:#fff;display:flex;align-items:center;justify-content:center;gap:7px}
.pay-btn:hover{border-color:var(--p1);background:rgba(124,58,237,.04)}
.pay-btn.razorpay{border-color:rgba(0,190,160,.4);color:#00BEA0}
.pay-btn.razorpay:hover{border-color:#00BEA0;background:rgba(0,190,160,.04)}
.pay-btn.paypal{border-color:rgba(0,112,186,.4);color:#0070BA}
.pay-btn.paypal:hover{border-color:#0070BA;background:rgba(0,112,186,.04)}
.notify-toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:#fff;
  padding:12px 20px;border-radius:10px;font-size:.85rem;font-weight:600;z-index:700;
  transform:translateY(100px);opacity:0;transition:.3s;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.notify-toast.show{transform:translateY(0);opacity:1}

/* ── SOCIAL BAR ── */
.social-bar{background:var(--bg2);border-bottom:1px solid var(--card-border);
  display:flex;align-items:center;justify-content:center;gap:16px;padding:0 16px;height:36px;
  overflow-x:auto;scrollbar-width:none}
.social-bar::-webkit-scrollbar{display:none}
.soc-a{display:flex;align-items:center;gap:5px;color:var(--text2);font-size:.75rem;
  font-weight:600;white-space:nowrap;transition:.15s}
.soc-a:hover{color:var(--p1)}
.soc-ic{width:16px;height:16px;border-radius:3px;flex-shrink:0}

/* ── QN-BOX DARK VARIANT ── */
.qn-box-dark{background:linear-gradient(135deg,var(--p3),var(--b2));border-color:transparent;color:#fff}
.qn-box-dark .qn-title{color:#fff}
.qn-box-dark .qn-sub{color:rgba(255,255,255,.75)}
.qn-box-dark:hover{border-color:transparent;background:linear-gradient(135deg,var(--p2),#1A44C2);box-shadow:0 8px 28px rgba(109,40,217,.35)}
.qn-box-dark .text-grad{background:linear-gradient(90deg,#C4B5FD,#93C5FD);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── DOWNLOAD ITEMS ── */
.dl-item{display:flex;align-items:center;gap:14px;padding:13px 16px;background:#fff;
  border:1px solid #E5E7EB;border-radius:10px;margin-bottom:8px;transition:.15s}
.dl-item:hover{border-color:var(--p1);box-shadow:0 2px 12px rgba(124,58,237,.1)}
.dl-icon{width:40px;height:40px;border-radius:9px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;
  border:1px solid rgba(124,58,237,.12)}
.dl-info{flex:1;min-width:0}
.dl-title{font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:2px}
.dl-meta{font-size:.76rem;color:#9CA3AF}

/* ═══════════════════════════════════════════════════
   COURSE PLATFORM FIXES — v4
   ═══════════════════════════════════════════════════ */
.roadmap{justify-content:center;max-width:100%;margin:0 auto}
.course-tile{position:relative;min-height:100%;color:var(--text)}
.course-tile h4{color:var(--text)}
.course-tile .course-lock{display:flex;align-items:center;gap:6px;color:var(--p1);font-size:.8rem;font-weight:800}
.course-tile.locked{cursor:pointer}
.course-tile.locked::after{content:'';position:absolute;inset:0;border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,0) 55%,rgba(124,58,237,.025));pointer-events:none}
.course-access-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid #F3F4F6}
.class-link-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 12px;border-radius:8px;background:var(--grad);color:#fff;font-size:.76rem;font-weight:800;border:0}
.class-link-btn.disabled{background:#F3F4F6;color:var(--text3);cursor:not-allowed}
.sbz-paywall{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(30,27,75,.58);backdrop-filter:blur(7px)}
.sbz-paywall-card{width:min(520px,100%);background:#fff;border:1px solid rgba(124,58,237,.18);border-radius:22px;padding:34px;text-align:center;box-shadow:0 24px 80px rgba(30,27,75,.25)}
.sbz-paywall-icon{width:64px;height:64px;margin:0 auto 16px;border-radius:18px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.sbz-paywall-card h2{margin:12px 0 8px;color:var(--text);font-size:1.5rem}
.sbz-paywall-card p{color:var(--text2);font-size:.9rem;line-height:1.7}
.sbz-paywall-price{margin:18px 0;color:var(--text2);font-size:.9rem}
.sbz-paywall-price span{font-size:2rem;font-weight:900;color:var(--p1)}
.sbz-paywall-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.sbz-paywall-actions .btn{min-width:170px}
.sbz-paywall-note{margin-top:18px!important;font-size:.72rem!important;color:var(--text3)!important}
.sbz-paywall-note code{background:#F3F4F6;padding:2px 5px;border-radius:4px}
body.sbz-locked{overflow:hidden}
.course-live-box{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:0 0 18px;padding:14px 16px;background:var(--grad-soft);border:1px solid rgba(124,58,237,.14);border-radius:12px}
.course-live-box .live-copy{display:flex;align-items:center;gap:10px}
.course-live-box .live-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(5,150,105,.1)}
.course-live-box strong{display:block;color:var(--text);font-size:.86rem}
.course-live-box span{display:block;color:var(--text2);font-size:.74rem}
@media(max-width:800px){.roadmap{justify-content:flex-start}.course-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.course-grid{grid-template-columns:1fr}.sbz-paywall-card{padding:26px 20px}.course-live-box{align-items:flex-start}}

/* ── Course preview / paywall ── */
.lesson-item.locked{position:relative;background:#fff}
.lesson-item.locked:hover{background:rgba(124,58,237,.04)}
.lesson-item.locked .lesson-title{color:#6B7280}
.lesson-lock{margin-left:auto;font-size:.72rem;font-weight:800;color:var(--p1);white-space:nowrap}
.lesson-free{margin-left:auto;font-size:.68rem;font-weight:800;color:#059669;white-space:nowrap}
.sbz-paywall-close{position:absolute;right:14px;top:14px;border:0;background:transparent;color:#6B7280;font-size:1.05rem;cursor:pointer;width:34px;height:34px;border-radius:9px}
.sbz-paywall-close:hover{background:#F3F4F6;color:var(--text)}
.sbz-paywall-card{position:relative}

@media(max-width:900px){.roadmap{justify-content:flex-start;min-width:max-content}.youtube-player{border-radius:10px}}

/* ===== ShobinZ Platform v5 ===== */
.auth-wrap,.admin-wrap,.dash-wrap{min-height:calc(100vh - 64px);background:var(--bg2);padding:60px 20px}.auth-card{max-width:480px;margin:30px auto;background:var(--card);border:1px solid var(--card-border);border-radius:20px;padding:32px;box-shadow:0 15px 45px rgba(31,41,55,.08)}.auth-card h1{margin:16px 0 8px;font-size:2rem}.auth-card p,.auth-msg{color:var(--text2);line-height:1.6}.auth-card label,.admin-card label{display:block;font-size:.8rem;font-weight:700;color:var(--text2);margin:16px 0}.auth-card input,.admin-card input,.admin-card textarea{width:100%;margin-top:7px;border:1px solid var(--card-border);background:var(--bg);border-radius:10px;padding:12px 13px;color:var(--text);font:inherit;box-sizing:border-box}.admin-card textarea{min-height:70px;resize:vertical}.auth-switch{text-align:center;margin-top:18px;font-size:.82rem;color:var(--text2)}.auth-switch button{border:0;background:none;color:var(--p1);font-weight:700;cursor:pointer}.auth-msg{margin-top:12px;color:#B91C1C}.course-crumb{background:var(--bg2);padding:15px 20px;border-bottom:1px solid var(--card-border)}.course-crumb .container{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.course-crumb a{color:var(--text3);font-size:.82rem}.course-page{background:var(--bg);min-height:70vh}.course-shell{padding-top:24px;padding-bottom:70px;max-width:1160px}.course-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:20px}.course-top h1{font-size:1.8rem;margin:0 0 7px}.course-top p{color:var(--text2);max-width:700px}.course-account{background:var(--card);border:1px solid var(--card-border);border-radius:12px;padding:13px 15px;min-width:190px}.course-account strong{display:block}.course-account span{display:block;color:var(--text3);font-size:.75rem;margin:3px 0 9px}.course-live-box{background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(29,78,216,.07));border:1px solid rgba(124,58,237,.22);border-radius:13px;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.live-copy{display:flex;align-items:center;gap:10px}.live-copy strong,.live-copy span{display:block}.live-copy span{font-size:.76rem;color:var(--text3);margin-top:3px}.live-dot{width:9px;height:9px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 5px rgba(34,197,94,.1)}.course-layout{display:grid;grid-template-columns:330px 1fr;gap:20px}.course-sidebar{background:var(--card);border:1px solid var(--card-border);border-radius:14px;overflow:hidden;height:max-content}.course-sidebar-head{font-weight:800;padding:16px;border-bottom:1px solid var(--card-border);font-size:.85rem}.lesson-item{width:100%;display:grid;grid-template-columns:24px 1fr auto auto;gap:7px;align-items:center;text-align:left;padding:13px;border:0;border-bottom:1px solid var(--card-border);background:transparent;color:var(--text);cursor:pointer}.lesson-item:hover{background:var(--bg2)}.lesson-item.active{background:rgba(124,58,237,.08);box-shadow:inset 3px 0 var(--p1)}.lesson-item.locked{color:var(--text3)}.lesson-check{width:20px;height:20px;border:1px solid var(--card-border);border-radius:50%;display:grid;place-items:center;font-size:.7rem}.lesson-check.done{background:#22C55E;color:white;border-color:#22C55E}.lesson-title{font-size:.78rem;line-height:1.35}.lesson-dur{font-size:.68rem;color:var(--text3)}.lesson-access{font-size:.58rem;font-weight:800;color:var(--p1)}.lesson-item.locked .lesson-access{color:var(--text3)}.course-main{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:18px}.course-main h3{font-size:1.1rem;margin:14px 0 6px}.course-main>p,.course-main h4{color:var(--text2)}.course-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:13px}.pricing-strip{max-width:1000px;margin:auto;background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:20px;display:grid;grid-template-columns:1fr 1px 1fr auto;align-items:center;gap:20px}.pricing-strip h3{margin:7px 0 3px}.pricing-strip p{font-size:.8rem;color:var(--text2);margin:0}.pricing-divider{height:55px;background:var(--card-border)}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.course-tile{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:20px;text-decoration:none;transition:.2s}.course-tile:hover{transform:translateY(-2px);border-color:var(--p1);box-shadow:0 12px 35px rgba(124,58,237,.1)}.course-tile .icon{font-size:2rem;display:block;margin-bottom:12px}.course-tile h4{color:var(--text);margin:10px 0 6px}.course-tile p{font-size:.78rem;color:var(--text2);line-height:1.6;min-height:50px}.course-access-row{display:flex;justify-content:space-between;gap:10px;color:var(--text3);font-size:.73rem}.config-warning{padding:20px;border:1px dashed #F59E0B;background:#FFFBEB;border-radius:12px;color:#92400E}.dash-wrap{padding-top:40px}.dash-head{max-width:1120px;margin:auto;display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:35px}.dash-head h1{font-size:2.2rem;margin:10px 0 4px}.dash-head p{color:var(--text3)}.sub-card{background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:18px;min-width:240px}.sub-status{font-weight:800}.sub-card div:nth-child(2){font-size:.75rem;color:var(--text3);margin:4px 0 13px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.section-head h2{margin:0}.section-head a{color:var(--p1);font-weight:700;font-size:.82rem}.dash-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.dash-course{display:flex;gap:15px;padding:18px;background:var(--card);border:1px solid var(--card-border);border-radius:14px;text-decoration:none}.dash-course:hover{border-color:var(--p1)}.dash-course-icon{font-size:2rem}.dash-course h3{margin:0 0 5px;color:var(--text);font-size:1rem}.dash-course p{margin:0 0 8px;color:var(--text2);font-size:.78rem}.dash-course span{font-size:.72rem;color:var(--p1);font-weight:700}.admin-wrap{padding:35px 20px}.admin-wrap>div{max-width:1200px;margin:auto}.admin-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:25px}.admin-head h1{margin:10px 0 5px}.admin-head p{color:var(--text2)}.admin-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.admin-tabs button{border:1px solid var(--card-border);background:var(--card);padding:10px 14px;border-radius:10px;color:var(--text2);font-weight:700;cursor:pointer}.admin-tabs button.active{background:var(--grad);color:white;border-color:transparent}.admin-card{background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:20px;margin-bottom:16px}.admin-card-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.admin-card-head>div:first-child{flex:1}.admin-card-head .c-title{font-size:1.05rem;font-weight:800;border:0;padding:0;background:transparent;margin:0}.course-admin-icon{font-size:1.6rem;float:left;margin-right:10px}.muted{font-size:.7rem;color:var(--text3);margin-top:5px}.inline-check{display:inline-flex!important;align-items:center;gap:5px;margin:0 8px!important}.inline-check input{width:auto!important;margin:0!important}.btn-danger{background:#FEF2F2!important;color:#B91C1C!important;border:1px solid #FECACA!important}.lesson-admin-list{display:grid;gap:10px}.lesson-editor{display:grid;grid-template-columns:30px 1fr 32px;gap:10px;align-items:start;border:1px solid var(--card-border);padding:11px;border-radius:11px}.lesson-num{font-weight:800;color:var(--p1);padding-top:9px}.lesson-fields input,.lesson-fields textarea{margin:0 0 7px}.lesson-fields .two-col{display:grid;grid-template-columns:160px 1fr;gap:8px}.icon-btn{border:0;background:var(--bg2);border-radius:8px;padding:7px;cursor:pointer}.admin-actions{display:flex;justify-content:space-between;gap:10px;margin-top:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.student-row{display:grid;grid-template-columns:1.2fr 2fr .8fr 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--card-border);font-size:.78rem}.student-row span{color:var(--text2)}.loading{color:var(--text3);padding:20px}@media(max-width:850px){.course-grid{grid-template-columns:1fr 1fr}.course-layout{grid-template-columns:1fr}.course-sidebar{order:2}.dash-grid{grid-template-columns:1fr}.dash-head{flex-direction:column}.pricing-strip{grid-template-columns:1fr}.pricing-divider{display:none}.admin-head{flex-direction:column}.student-row{grid-template-columns:1fr 1fr}.course-top{flex-direction:column}.course-account{width:100%;box-sizing:border-box}}@media(max-width:520px){.course-grid{grid-template-columns:1fr}.two-col,.lesson-fields .two-col{grid-template-columns:1fr}.course-live-box{flex-direction:column;align-items:flex-start}.lesson-item{grid-template-columns:24px 1fr auto}.lesson-access{display:none}}


/* ═══════════════════════════════════════════════════
   Universal responsive layer — phones, tablets,
   laptops, large screens, foldables & touch devices
   ═══════════════════════════════════════════════════ */
html{min-width:0}
body{min-width:0;min-height:100dvh}
.container{width:100%;max-width:1180px;padding-left:clamp(14px,3vw,20px);padding-right:clamp(14px,3vw,20px)}
.section,.section-sm{padding-left:clamp(14px,3vw,20px);padding-right:clamp(14px,3vw,20px)}
.nav{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));min-width:0}
.nav-logo{min-width:0;margin-right:clamp(8px,2vw,18px)}
.nav-logo-text{min-width:0}
.nav-logo-text .name,.nav-logo-text .tag{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-right{min-width:0}
.btn-nav{touch-action:manipulation}
button,a{touch-action:manipulation}
img,video,iframe,svg{max-width:100%}
iframe{max-width:100%}
input,textarea,select,button{max-width:100%}

/* Large desktop / ultrawide */
@media(min-width:1440px){
  .container{max-width:1280px}
  .course-shell{max-width:1240px}
}

/* Small laptops / landscape tablets */
@media(max-width:900px){
  .nav{height:60px}
  .nav-a{height:60px;padding:0 9px;font-size:.8rem}
  .nav-right{padding-left:6px}
  .course-layout{grid-template-columns:minmax(0,1fr)}
  .course-sidebar{order:2;width:100%}
  .course-main{min-width:0}
  .course-top{flex-direction:column}
  .course-account{width:100%;min-width:0}
  .pricing-strip{grid-template-columns:1fr 1fr;gap:14px}
  .pricing-strip .pricing-divider{display:none}
  .pricing-strip .btn{grid-column:1/-1;width:100%}
  .admin-head,.dash-head{flex-wrap:wrap}
}

/* Tablets / foldables in portrait */
@media(max-width:760px){
  .nav{padding-top:env(safe-area-inset-top);height:calc(60px + env(safe-area-inset-top))}
  .nav-drawer{inset:calc(60px + env(safe-area-inset-top)) 0 0 0;padding-bottom:max(16px,env(safe-area-inset-bottom))}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-right .btn-nav{padding:8px 12px}
  .hero{padding-top:clamp(38px,8vw,64px);padding-bottom:clamp(34px,7vw,58px)}
  .hero-sub{font-size:.95rem;max-width:52rem}
  .hero-btns .btn{flex:1 1 190px}
  .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .course-top h1{font-size:clamp(1.45rem,5vw,1.8rem)}
  .course-main{padding:clamp(14px,3vw,18px)}
  .course-live-box{flex-wrap:wrap}
  .dash-grid{grid-template-columns:1fr}
  .student-row{grid-template-columns:1fr 1fr}
  .admin-card-head{flex-wrap:wrap}
}

/* Phones */
@media(max-width:520px){
  body{font-size:14px}
  .container{padding-left:14px;padding-right:14px}
  .section,.section-sm{padding-left:14px;padding-right:14px}
  .nav-logo-img{width:34px;height:34px}
  .nav-logo-text .name{font-size:.9rem}
  .nav-logo-text .tag{font-size:.42rem;letter-spacing:.12em}
  .nav-logo{gap:7px;margin-right:5px}
  .nav-right{gap:5px;padding-left:4px}
  .nav-right .btn-nav{font-size:.7rem;padding:7px 9px}
  .burger{width:38px;height:38px;flex:0 0 38px}
  .hero h1{font-size:clamp(1.8rem,9vw,2.35rem)}
  .hero-sub{font-size:.88rem;line-height:1.65;margin-bottom:25px}
  .hero-btns{width:100%}
  .hero-btns .btn{width:100%;flex-basis:100%}
  .course-grid{grid-template-columns:1fr}
  .pricing-strip{grid-template-columns:1fr;padding:16px}
  .pricing-strip .btn{grid-column:auto}
  .course-live-box{align-items:flex-start;padding:13px}
  .live-copy{align-items:flex-start}
  .course-actions{display:grid;grid-template-columns:1fr}
  .course-actions .btn{width:100%}
  .lesson-item{grid-template-columns:22px minmax(0,1fr) auto;padding:12px 11px}
  .lesson-access{display:none}
  .lesson-title{overflow-wrap:anywhere}
  .lesson-dur{white-space:nowrap}
  .student-row{grid-template-columns:1fr}
  .admin-actions{flex-direction:column}
  .admin-actions .btn{width:100%}
  .auth-wrap,.admin-wrap,.dash-wrap{padding-left:14px;padding-right:14px}
  .auth-card,.admin-card{padding:18px}
  .sub-card{min-width:0;width:100%}
  .dash-head h1{font-size:clamp(1.65rem,8vw,2.2rem)}
  .course-crumb{padding-left:14px;padding-right:14px}
}

/* Course desktop scrolling: keep the lesson list available while the video area scrolls. */
@media (min-width:851px){
  .course-layout{align-items:start;overflow:visible}
  .course-sidebar{position:sticky;top:82px;align-self:start;max-height:calc(100vh - 100px);overflow-y:auto;overflow-x:hidden}
  .course-sidebar-head{position:sticky;top:0;z-index:2}
}

/* Very small phones */
@media(max-width:380px){
  .nav-logo-text{display:none}
  .nav-right .btn-nav:first-child{display:none}
  .hero-tag{font-size:.6rem;letter-spacing:.12em;padding:5px 10px}
  .course-tile{padding:16px}
  .course-main{padding:13px}
}

/* Landscape phones: use the extra horizontal space */
@media(max-width:900px) and (orientation:landscape){
  .hero{padding-top:30px;padding-bottom:30px}
  .hero-btns{flex-direction:row}
  .hero-btns .btn{width:auto;flex:0 1 auto}
  .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .course-layout{grid-template-columns:minmax(230px,.75fr) minmax(0,1.25fr)}
  .course-sidebar{order:initial;max-height:65vh;overflow:auto}
}

/* Touch devices: comfortable hit targets without affecting desktop density */
@media(hover:none) and (pointer:coarse){
  .nav-a,.btn,.btn-nav,.burger,.lesson-item,.admin-tabs button,.icon-btn{min-height:40px}
  .course-tile:hover,.btn-primary:hover{transform:none;box-shadow:none}
}

/* Foldable devices with two viewport segments */
@media (horizontal-viewport-segments:2){
  .nav,.container,.section,.section-sm{padding-left:max(20px,env(viewport-segment-left 0 0));padding-right:max(20px,env(viewport-segment-right 1 0));}
  .course-layout{grid-template-columns:minmax(260px,1fr) minmax(0,2fr)}
}

/* Prevent viewport-height jumps on mobile browser chrome */
.auth-wrap,.admin-wrap,.dash-wrap{min-height:calc(100dvh - 64px)}
.cart-drawer{height:100dvh;padding-bottom:env(safe-area-inset-bottom)}
#tab-website textarea{min-height:110px;font-family:inherit}.page-override{margin-bottom:10px}.page-override .lesson-fields{width:100%}#tab-website code{font-family:monospace;background:var(--bg2);padding:2px 5px;border-radius:5px}

@media(max-width:760px){.nav-logo-text{max-width:44vw;overflow:hidden}.nav-logo-text .name,.nav-logo-text .tag{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}
@media(max-width:420px){.nav{padding-left:10px;padding-right:10px}.nav-logo-text{max-width:38vw}.nav-right .cart-btn{font-size:.7rem;padding:7px 9px}}

/* Public pages must never show CMS editor selection artifacts. */
[data-admin-hover], #admin-inspector-style, #sbz-admin-overlay{outline:none!important;box-shadow:none!important;}
.subcourse-view{padding:28px 0 10px}.subcourse-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:24px;padding:22px;border:1px solid var(--card-border);border-radius:18px;background:var(--card)}.subcourse-head h2{margin:8px 0 6px}.subcourse-head p{margin:0;color:var(--text2);line-height:1.6}.subcourse-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.subcourse-card{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--card-border);border-radius:18px;padding:24px;transition:.18s}.subcourse-card:hover{transform:translateY(-2px);border-color:rgba(124,58,237,.55);box-shadow:0 14px 40px rgba(0,0,0,.08)}.subcourse-card h3{margin:18px 0 10px}.subcourse-card p{color:var(--text2);line-height:1.65;min-height:52px}.subcourse-card-top{display:flex;justify-content:flex-end}.course-access-row{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:18px;font-weight:700}.text-grad{color:var(--p1)}
@media(max-width:700px){.subcourse-grid{grid-template-columns:1fr}.subcourse-head{flex-direction:column}}

.product-gallery{position:relative;width:100%;height:100%;background:linear-gradient(135deg,#EDE9FE,#DBEAFE);overflow:hidden}.product-gallery-img{width:100%;height:100%;object-fit:cover;border-radius:14px}.product-gallery-dots{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);display:flex;gap:6px}.gallery-dot{width:8px;height:8px;border:0;border-radius:50%;padding:0;background:rgba(255,255,255,.65);cursor:pointer}.gallery-dot.active{background:#4f46e5;transform:scale(1.15)}
.cart-delivery{margin-top:14px;padding-top:14px;border-top:1px solid #E5E7EB}.cart-delivery .form-input{width:100%;margin-bottom:8px;font-size:.8rem;padding:9px 10px;box-sizing:border-box}.cart-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cart-foot .cart-methods{grid-template-columns:1fr}@media(max-width:420px){.cart-drawer{width:min(100vw,380px)}.cart-form-grid{grid-template-columns:1fr}}
.prod-card{cursor:pointer}.prod-card:focus-visible{outline:3px solid rgba(124,58,237,.35);outline-offset:3px}.product-view-btn{margin-bottom:8px}


/* Shobinzlab engineering hero: keep background image after legacy stylesheet rules. */
body .sz-hero{position:relative;isolation:isolate;overflow:hidden;padding:clamp(68px,9vw,116px) 0 clamp(62px,8vw,100px);background-color:#081326;background-image:linear-gradient(90deg,rgba(5,12,29,.94) 0%,rgba(5,12,29,.82) 43%,rgba(5,12,29,.42) 100%),url("../assets/engineering-lab-hero.webp");background-size:cover;background-position:center right;background-repeat:no-repeat;color:#fff}
body .sz-hero .sz-eyebrow{color:#b6a2ff}
body .sz-hero h1{max-width:none;color:#fff;font-size:clamp(38px,5.8vw,72px);text-wrap:balance}
body .sz-hero-copy{max-width:100%}
body .sz-hero-copy p,body .sz-hero p{max-width:none;color:rgba(255,255,255,.92);font-size:clamp(14px,1.25vw,17px);line-height:1.55;margin:12px 0 0;white-space:nowrap}
@media(max-width:900px){body .sz-hero{background-position:58% center}body .sz-hero-copy p,body .sz-hero p{white-space:normal;max-width:720px}}
@media(max-width:560px){body .sz-hero{padding:52px 0 48px;background-position:62% center}body .sz-hero h1{font-size:clamp(36px,10vw,48px)}body .sz-hero-copy p,body .sz-hero p{font-size:15px}}

/* Sequential internship module pathway */
.sz-internship-modules{margin:34px 0;padding:26px;border:1px solid var(--sz-border,#e2e8f0);border-radius:18px;background:var(--sz-surface,#fff)}
.sz-internship-modules-heading h2{margin:5px 0 4px}.sz-module-list{display:grid;gap:12px;margin-top:20px}
.sz-module-card{display:flex;align-items:center;gap:16px;padding:17px;border:1px solid var(--sz-border,#e2e8f0);border-radius:14px;background:#fff;min-width:0}
.sz-module-number{display:grid;place-items:center;flex:0 0 38px;width:38px;height:38px;border-radius:50%;font-weight:800;background:#eef2ff;color:#263b80}
.sz-module-info{flex:1;min-width:0}.sz-module-info h3{margin:0 0 5px;font-size:1.05rem}.sz-module-info p{margin:0 0 6px;color:#64748b}.sz-module-status{font-size:.82rem;font-weight:700;color:#64748b}
.sz-module-card.is-complete{border-color:#86c99b;background:#f5fbf6}.sz-module-card.is-complete .sz-module-number{background:#dcfce7;color:#166534}.sz-module-card.is-unlocked{border-color:#a5b4fc}.sz-module-card.is-locked{background:#f8fafc;opacity:.78}.sz-module-card.is-locked .sz-module-number{background:#e5e7eb;color:#64748b}
.sz-module-action{flex:0 0 auto}.sz-module-lock{font-size:.82rem;color:#64748b}.sz-module-complete-form,.sz-module-completed-notice,.sz-module-completion-pending{margin:24px 0;padding:20px;border:1px solid #cbd5e1;border-radius:14px;background:#f8fafc}.sz-module-completed-notice{border-color:#86c99b;background:#f0fdf4;color:#166534;font-weight:700}.sz-module-completion-pending p{margin:5px 0 0;color:#64748b}
@media(max-width:640px){.sz-internship-modules{padding:17px}.sz-module-card{align-items:flex-start;flex-wrap:wrap;gap:11px}.sz-module-info{flex:1 1 calc(100% - 55px)}.sz-module-action{margin-left:49px;width:calc(100% - 49px)}.sz-module-action .sz-button{display:inline-flex}}