@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');
:root{--primary:#0032B8;--primary-dark:#00228A;--primary-light:#1A4FD6;--accent:#1A6BFF;--white:#FFFFFF;--off-white:#F5F7FF;--gray-50:#F8FAFF;--gray-100:#EEF1FF;--gray-200:#D8DFFF;--gray-300:#B0BEFF;--gray-500:#6B7DB3;--gray-700:#2D3E6E;--gray-900:#0A1540;--text:#0A1540;--muted:#5A6A9A;--success:#10B981;--warning:#F59E0B;--error:#EF4444;--border:#D8DFFF;--shadow-sm:0 2px 8px rgba(0,50,184,.08);--shadow-md:0 8px 32px rgba(0,50,184,.12);--shadow-lg:0 20px 60px rgba(0,50,184,.18);--radius-sm:8px;--radius:14px;--radius-lg:24px;--font-head:'Syne',sans-serif;--font-body:'DM Sans',sans-serif;--nav-h:70px;--tr:.3s cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
ul{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:var(--font-head);font-weight:700;line-height:1.2;color:var(--gray-900)}
h1{font-size:clamp(2.2rem,5vw,4rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem)}
h3{font-size:clamp(1.1rem,2vw,1.5rem)}
p{color:var(--muted)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-header{text-align:center;max-width:680px;margin:0 auto 64px}
.section-header h2{margin-bottom:16px}
.section-tag{display:inline-block;background:var(--gray-100);color:var(--primary);font-size:.75rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;padding:6px 16px;border-radius:100px;margin-bottom:16px;border:1px solid var(--gray-200)}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);background:rgba(255,255,255,.94);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:var(--tr)}
.navbar.scrolled{box-shadow:var(--shadow-md)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:38px;object-fit:contain}
.nav-logo-text{font-family:var(--font-head);font-size:1.2rem;font-weight:800;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{font-size:.88rem;font-weight:500;color:var(--gray-700);padding:8px 14px;border-radius:var(--radius-sm);transition:var(--tr)}
.nav-links a:hover{color:var(--primary);background:var(--gray-50)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-nav-login{font-size:.88rem;font-weight:600;color:var(--primary);padding:8px 18px;border-radius:var(--radius-sm);border:2px solid var(--primary);transition:var(--tr)}
.btn-nav-login:hover{background:var(--primary);color:var(--white)}
.btn-nav-cta{font-size:.88rem;font-weight:700;color:var(--white);padding:10px 20px;border-radius:var(--radius-sm);background:var(--primary);transition:var(--tr)}
.btn-nav-cta:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,50,184,.3)}
.nav-hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:5px}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--gray-900);border-radius:2px;transition:var(--tr)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--radius-sm);transition:var(--tr);cursor:pointer;border:none;text-align:center;white-space:nowrap}
.btn-lg{padding:15px 32px;font-size:1rem;border-radius:var(--radius)}
.btn-md{padding:11px 22px;font-size:.9rem}
.btn-sm{padding:7px 14px;font-size:.8rem}
.btn-primary{background:var(--primary);color:var(--white);box-shadow:0 4px 16px rgba(0,50,184,.25)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,50,184,.35)}
.btn-secondary{background:var(--white);color:var(--primary);border:2px solid var(--primary)}
.btn-secondary:hover{background:var(--gray-50);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.15);border-color:var(--white)}
.btn-success{background:var(--success);color:var(--white)}
.btn-success:hover{background:#059669;transform:translateY(-1px)}
.btn-danger{background:var(--error);color:var(--white)}
.btn-full{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}

/* HERO */
.hero{min-height:100vh;background:var(--gray-900);display:flex;align-items:center;position:relative;overflow:hidden;padding-top:var(--nav-h)}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 80% 80% at 50% -10%,rgba(0,50,184,.6) 0%,transparent 60%),radial-gradient(ellipse 40% 40% at 80% 60%,rgba(26,107,255,.2) 0%,transparent 60%),linear-gradient(135deg,#0A1540 0%,#001870 50%,#0A1540 100%)}
.hero-grid{position:absolute;inset:0;z-index:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:56px 56px}
.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);animation:pulse 6s ease-in-out infinite}
.hero-orb-1{width:500px;height:500px;background:rgba(0,50,184,.4);top:-150px;right:-80px;z-index:0}
.hero-orb-2{width:350px;height:350px;background:rgba(26,107,255,.18);bottom:-80px;left:-80px;z-index:0;animation-delay:3s}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.6}50%{transform:scale(1.1);opacity:.85}}
.hero-content{position:relative;z-index:1;max-width:740px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12);color:#A0B4FF;font-size:.75rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:8px 18px;border-radius:100px;margin-bottom:24px}
.hero-badge span{width:6px;height:6px;background:#4A90FF;border-radius:50%;animation:blink 2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{color:var(--white);margin-bottom:22px;font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.1}
.hero h1 em{font-style:normal;color:#4A90FF}
.hero-sub{font-size:clamp(1rem,1.8vw,1.15rem);color:rgba(255,255,255,.75);margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.hero-stat-num{font-family:var(--font-head);font-size:1.7rem;font-weight:800;color:var(--white)}
.hero-stat-label{font-size:.82rem;color:rgba(255,255,255,.5)}

/* CARDS */
.card{background:var(--white);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:var(--tr)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gray-200)}

/* COURSE CARD */
.course-card{display:flex;flex-direction:column}
.course-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--primary),var(--accent));overflow:hidden}
.course-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.course-card:hover .course-thumb img{transform:scale(1.06)}
.course-thumb-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:2.5rem}
.course-badge{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:100px;font-size:.72rem;font-weight:700}
.badge-free{background:var(--success);color:var(--white)}
.badge-paid{background:var(--primary);color:var(--white)}
.course-info{padding:18px;flex:1;display:flex;flex-direction:column}
.course-category{font-size:.72rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}
.course-title{font-family:var(--font-head);font-size:1rem;font-weight:700;color:var(--gray-900);margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-instructor{font-size:.8rem;color:var(--muted);margin-bottom:10px}
.course-meta{display:flex;gap:12px;font-size:.78rem;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.course-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border);margin-top:auto}
.course-price{font-family:var(--font-head);font-size:1.15rem;font-weight:800;color:var(--primary)}
.course-price.free{color:var(--success)}
.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:24px}

/* GRIDS */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);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}

/* SERVICES */
.services-section{background:var(--gray-900)}
.service-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:28px;transition:var(--tr)}
.service-card:hover{background:rgba(0,50,184,.2);border-color:rgba(74,144,255,.3);transform:translateY(-4px)}
.service-icon{width:52px;height:52px;border-radius:var(--radius-sm);background:rgba(0,50,184,.3);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px}
.service-card h3{color:var(--white);margin-bottom:10px;font-size:1.05rem}
.service-card p{color:rgba(255,255,255,.6);font-size:.87rem;line-height:1.7}

/* BENEFITS */
.benefit-card{display:flex;gap:18px;align-items:flex-start;padding:22px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);transition:var(--tr)}
.benefit-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}
.benefit-icon{width:46px;height:46px;min-width:46px;border-radius:var(--radius-sm);background:var(--gray-100);display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.benefit-card h4{color:var(--gray-900);margin-bottom:5px}
.benefit-card p{font-size:.85rem;color:var(--muted)}

/* PROCESS */
.process-section{background:var(--gray-50)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;position:relative}
.process-steps::before{content:'';position:absolute;top:34px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));z-index:0}
.step{text-align:center;padding:0 10px;position:relative;z-index:1}
.step-num{width:68px;height:68px;border-radius:50%;background:var(--primary);color:var(--white);font-family:var(--font-head);font-size:1.3rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 0 0 8px rgba(0,50,184,.1)}
.step h4{margin-bottom:8px}
.step p{font-size:.85rem;color:var(--muted)}

/* PROBLEM */
.problem-section{background:linear-gradient(135deg,#0A1540,#001870)}
.problem-section h2{color:var(--white)}
.problem-section p{color:rgba(255,255,255,.75)}
.problem-section .section-tag{background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);border-color:rgba(255,255,255,.12)}

/* TESTIMONIALS */
.testimonial-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative}
.testimonial-card::before{content:'"';font-family:Georgia,serif;font-size:5rem;color:var(--gray-100);position:absolute;top:-8px;left:18px;line-height:1}
.testimonial-stars{color:#F59E0B;font-size:.9rem;margin-bottom:14px}
.testimonial-text{color:var(--muted);font-style:italic;margin-bottom:20px;line-height:1.7;position:relative;z-index:1}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:white;font-weight:700}
.testimonial-name{font-weight:700;color:var(--gray-900);font-size:.9rem}
.testimonial-role{font-size:.78rem;color:var(--muted)}

/* CTA */
.cta-section{background:var(--gray-900);text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 50% 50%,rgba(0,50,184,.5),transparent)}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{color:var(--white);margin-bottom:14px}
.cta-section p{color:rgba(255,255,255,.7);font-size:1.05rem;margin-bottom:36px}

/* FORMS */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-700);margin-bottom:7px}
.form-control{width:100%;padding:11px 15px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.93rem;color:var(--text);background:var(--white);transition:var(--tr);outline:none}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,50,184,.1)}
.form-control::placeholder{color:var(--gray-300)}
textarea.form-control{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-check{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:.88rem;color:var(--gray-700)}
.form-check input[type=checkbox]{width:17px;height:17px;accent-color:var(--primary);cursor:pointer}

/* CONTACT */
.contact-section{background:var(--gray-50)}
.contact-card{background:var(--white);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-lg);border:1px solid var(--border)}

/* FOOTER */
footer{background:var(--gray-900);color:rgba(255,255,255,.7);padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;margin-bottom:44px}
.footer-brand p{font-size:.86rem;line-height:1.8;margin:14px 0 20px;max-width:270px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:var(--radius-sm);background:rgba(255,255,255,.07);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);font-size:.85rem;transition:var(--tr)}
.footer-social a:hover{background:var(--primary);color:var(--white)}
.footer-col h4{color:var(--white);font-size:.92rem;margin-bottom:18px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:.85rem;color:rgba(255,255,255,.5);transition:var(--tr)}
.footer-col ul li a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:.8rem;color:rgba(255,255,255,.4)}

/* FLASH */
.flash{padding:13px 18px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:.88rem;font-weight:500;display:flex;align-items:center;gap:9px}
.flash-success{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}
.flash-error{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA}
.flash-info{background:#EFF6FF;color:#1E40AF;border:1px solid #BFDBFE}
.flash-warning{background:#FFFBEB;color:#92400E;border:1px solid #FDE68A}

/* AUTH */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gray-50);padding:24px}
.auth-card{background:var(--white);border-radius:var(--radius-lg);padding:44px;width:100%;max-width:440px;box-shadow:var(--shadow-lg);border:1px solid var(--border);animation:authIn .45s cubic-bezier(.34,1.56,.64,1) both}
@keyframes authIn{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}
.auth-logo{text-align:center;margin-bottom:28px}
.auth-logo img{height:48px;margin:0 auto 10px;object-fit:contain}
.auth-logo h2{font-size:1.45rem;color:var(--gray-900)}
.auth-logo p{font-size:.86rem;color:var(--muted)}
.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.auth-divider span{font-size:.78rem;color:var(--muted)}
.auth-footer{text-align:center;margin-top:20px;font-size:.86rem;color:var(--muted)}
.auth-footer a{color:var(--primary);font-weight:600}

/* MISC */
.badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:.73rem;font-weight:700}
.badge-blue{background:var(--gray-100);color:var(--primary)}
.badge-green{background:#ECFDF5;color:#065F46}
.badge-yellow{background:#FFFBEB;color:#92400E}
.badge-red{background:#FEF2F2;color:#991B1B}
.stars{display:inline-flex;gap:2px}
.star{color:#D1D5DB;font-size:.85rem}
.star.filled{color:#F59E0B}
.pagination{display:flex;gap:6px;justify-content:center;margin-top:44px;flex-wrap:wrap}
.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 10px;border-radius:var(--radius-sm);border:1.5px solid var(--border);color:var(--muted);font-size:.85rem;font-weight:600;transition:var(--tr)}
.page-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--gray-50)}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:var(--white)}
.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:var(--white);border-radius:50%;animation:spin .7s linear infinite}
.spinner-primary{border-color:var(--gray-200);border-top-color:var(--primary)}
@keyframes spin{to{transform:rotate(360deg)}}

/* COURSE DETAIL */
.course-hero{background:var(--gray-900);padding:calc(var(--nav-h) + 44px) 0 56px}
.course-hero h1{color:var(--white);margin-bottom:14px}
.course-sidebar{position:sticky;top:calc(var(--nav-h) + 20px)}
.course-purchase-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--border)}
.course-purchase-preview{aspect-ratio:16/9;background:linear-gradient(135deg,var(--primary),var(--accent));position:relative;overflow:hidden}
.course-purchase-preview img{width:100%;height:100%;object-fit:cover}
.course-purchase-body{padding:22px}
.course-big-price{font-family:var(--font-head);font-size:1.9rem;font-weight:800;color:var(--primary);margin-bottom:14px}
.course-includes li{display:flex;align-items:center;gap:9px;font-size:.83rem;color:var(--muted);padding:5px 0}
.course-includes li::before{content:'✓';color:var(--success);font-weight:800}
.accordion{margin-bottom:7px}
.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--gray-50);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:var(--tr)}
.accordion-header:hover{background:var(--gray-100)}
.accordion-header h4{font-size:.92rem;color:var(--gray-900)}
.accordion-header .meta{font-size:.78rem;color:var(--muted)}
.accordion-body{display:none;border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius-sm) var(--radius-sm)}
.accordion.open .accordion-body{display:block}
.lesson-row{display:flex;align-items:center;gap:11px;padding:11px 18px;border-bottom:1px solid var(--border);font-size:.86rem}
.lesson-row:last-child{border-bottom:none}
.lesson-row .lesson-icon{color:var(--muted)}
.lesson-row .lesson-title{flex:1;color:var(--gray-700)}
.lesson-row .lesson-duration{color:var(--muted);font-size:.78rem}
.lesson-row .lesson-free{font-size:.73rem;color:var(--primary);font-weight:700}

/* AOS */
[data-aos]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
[data-aos].aos-animate{opacity:1;transform:none}
[data-aos=fade-right]{transform:translateX(-24px)}
[data-aos=fade-right].aos-animate{transform:none}
[data-aos=fade-left]{transform:translateX(24px)}
[data-aos=fade-left].aos-animate{transform:none}

/* RESPONSIVE */
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.process-steps::before{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:768px){.nav-links,.nav-actions{display:none}.nav-hamburger{display:flex}.nav-links.open,.nav-actions.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:var(--white);padding:16px 20px;border-bottom:1px solid var(--border);gap:4px}.nav-actions.open{padding-bottom:16px;border-top:none;top:calc(var(--nav-h) + 200px)}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.process-steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{flex-direction:column;gap:10px;text-align:center}.contact-card{padding:24px 18px}.auth-card{padding:28px 20px}.section{padding:64px 0}}
@media(max-width:480px){.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.btn-lg{padding:13px 22px}}

/* ===== MOBILE RESPONSIVENESS FIXES ===== */
/* Logo */
.nav-logo img { height: 44px !important; width: auto; object-fit: contain; }
.nav-logo-text { display: inline-block !important; }

/* Hero Section Mobile */
@media(max-width:768px) {
  .hero-wrapper { grid-template-columns:1fr !important; gap:28px !important; min-height:auto !important; padding:30px 0 20px; }
  .hero-image { order:-1; }
  .hero-image img { min-height:260px !important; border-radius:18px !important; }
  .hero-floating-card { left:10px !important; bottom:12px !important; width:190px !important; padding:14px !important; }
  .hero-floating-card h4 { font-size:.85rem; }
  .hero-floating-card p { font-size:.78rem; }
  .hero h1 { font-size:1.85rem !important; line-height:1.25; }
  .hero-sub { font-size:.9rem !important; }
  .hero-stats { gap:14px !important; flex-wrap:wrap; }
  .hero-stat-num { font-size:1.6rem !important; }
  .about-image-wrapper { margin-top:20px; }
  .about-main-image { border-radius:16px; }
  .about-mini-card { right:0 !important; bottom:14px !important; width:170px !important; padding:12px !important; }
  .course-hero { padding:calc(var(--nav-h) + 20px) 0 32px !important; }
  .course-sidebar { position:static !important; }
  .course-purchase-card { margin-top:24px; }
  .course-big-price { font-size:1.5rem !important; }
  .section { padding:48px 0 !important; }
  /* Courses page sidebar */
  [style*="min-width:210px"] { min-width:100% !important; position:static !important; }
  [style*="display:flex;gap:28px"] { flex-direction:column !important; }
  /* Dashboard */
  .dash-layout { grid-template-columns:1fr !important; }
  .dash-stats { grid-template-columns:repeat(2,1fr) !important; }
}

@media(max-width:480px) {
  .hero h1 { font-size:1.5rem !important; }
  .container { padding:0 14px !important; }
  .section-header h2 { font-size:1.5rem !important; }
  .dash-stats { grid-template-columns:repeat(2,1fr) !important; }
  .service-card-content h3 { font-size:1rem; }
  .footer-brand { text-align:center; }
  .footer-social { justify-content:center; }
  .course-hero h1 { font-size:1.4rem !important; }
}

/* Courses page mobile */
@media(max-width:768px) {
  #filterForm + * { display:none; }
  .courses-aside { display:none; }
}

/* Course card responsive */
.course-card { transition:.3s ease; }
@media(max-width:400px) {
  .course-card { margin-bottom:12px; }
}

/* Services section mobile */
@media(max-width:600px) {
  .services-section .grid-4 { grid-template-columns:1fr !important; }
  .image-service-card img { height:180px; }
}

/* CTA image mobile */
@media(max-width:768px) {
  .cta-image img { border-radius:14px; margin-top:24px; }
}

/* PWA Install Banner */
#pwa-install-banner {
  position:fixed;bottom:0;left:0;right:0;z-index:9999;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;gap:14px;
  box-shadow:0 -4px 24px rgba(0,50,184,.25);
  transform:translateY(100%);transition:transform .4s ease;
}
#pwa-install-banner.show { transform:translateY(0); }
#pwa-install-banner .pwa-text { flex:1; }
#pwa-install-banner .pwa-text strong { display:block;font-size:.95rem; }
#pwa-install-banner .pwa-text span { font-size:.8rem;opacity:.85; }
#pwa-install-banner .pwa-actions { display:flex;gap:10px;align-items:center; }
#pwa-install-banner .pwa-btn-install { background:#fff;color:var(--primary);border:none;padding:9px 18px;border-radius:8px;font-weight:700;font-size:.85rem;cursor:pointer; }
#pwa-install-banner .pwa-btn-close { background:rgba(255,255,255,.2);color:#fff;border:none;padding:8px 14px;border-radius:8px;font-size:.82rem;cursor:pointer; }

/* Coupon input row */
.coupon-row { display:flex;gap:8px;margin:14px 0; }
.coupon-row input { flex:1;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.88rem; }
.coupon-row button { padding:10px 18px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:700;cursor:pointer;font-size:.85rem; }
.coupon-success { color:var(--success);font-size:.83rem;margin-top:4px; }
.coupon-error { color:var(--error);font-size:.83rem;margin-top:4px; }

/* Events */
.events-grid { display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px; }
.event-card { background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--tr); }
.event-card:hover { transform:translateY(-5px);box-shadow:var(--shadow-md); }
.event-card-banner { height:160px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:3rem;position:relative;overflow:hidden; }
.event-card-banner img { width:100%;height:100%;object-fit:cover; }
.event-card-body { padding:20px; }
.event-card-body h3 { font-size:1.05rem;margin-bottom:8px;color:var(--gray-900); }
.event-card-meta { display:flex;flex-direction:column;gap:5px;margin:10px 0;font-size:.82rem;color:var(--muted); }
.event-card-meta span { display:flex;align-items:center;gap:6px; }
.event-badge-free { background:#ECFDF5;color:#065F46;padding:2px 10px;border-radius:100px;font-size:.72rem;font-weight:700;display:inline-block;margin-bottom:10px; }
.event-badge-paid { background:var(--gray-100);color:var(--primary);padding:2px 10px;border-radius:100px;font-size:.72rem;font-weight:700;display:inline-block;margin-bottom:10px; }
.event-ticket { background:var(--gray-50);border:2px dashed var(--border);border-radius:var(--radius);padding:22px;text-align:center;margin-top:20px; }
.event-ticket-code { font-family:monospace;font-size:1.8rem;font-weight:800;color:var(--primary);letter-spacing:4px;margin:10px 0; }

/* ═══════════════════════════════════════
   APP FEEL — loader, ripple, toasts
   ═══════════════════════════════════════ */

/* Page loader bar */
#page-loader {
  position: fixed; top: 0; left: 0; right: 0; z-index: 99999;
  height: 3px; pointer-events: none; opacity: 0; transition: opacity .2s;
}
#page-loader.active { opacity: 1; }
#page-loader-bar {
  height: 100%; width: 0; background: linear-gradient(90deg,#0032B8,#1A6BFF,#00C6FF);
  border-radius: 0 3px 3px 0; transition: width .12s ease;
  box-shadow: 0 0 8px rgba(0,50,184,.6);
}

/* Button ripple */
.btn { position: relative; overflow: hidden; }
.btn-ripple {
  position: absolute; width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,.45); transform: scale(0);
  animation: ripple .55s ease-out forwards; pointer-events: none;
  margin: -3px 0 0 -3px;
}
@keyframes ripple { to { transform: scale(28); opacity: 0; } }

/* PWA bottom nav (mobile) */
#pwa-bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 500;
  background: #fff; border-top: 1px solid #E5EDFF;
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0,50,184,.08);
}
#pwa-bottom-nav .pwa-nav-inner {
  display: flex; align-items: stretch; justify-content: space-around;
}
#pwa-bottom-nav a {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; flex: 1; padding: 6px 4px;
  font-size: .62rem; font-weight: 600; color: #8899CC;
  text-decoration: none; transition: color .2s; min-width: 0;
}
#pwa-bottom-nav a svg {
  width: 22px; height: 22px; stroke: currentColor; fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
#pwa-bottom-nav a.active, #pwa-bottom-nav a:hover { color: #0032B8; }
#pwa-bottom-nav a.active svg { stroke-width: 2.2; }
#pwa-bottom-nav a span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60px; text-align: center; }

@media (max-width: 768px) {
  #pwa-bottom-nav { display: block; }
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  #pwa-install-banner { bottom: calc(62px + env(safe-area-inset-bottom)); }
}

/* ── MOBILE RESPONSIVENESS — full ── */
@media (max-width: 1024px) {
  .hero-wrapper { grid-template-columns: 1fr !important; gap: 24px !important; }
  .hero-image { order: -1; }
  .hero h1 { font-size: 1.9rem !important; }
  .about-wrapper { grid-template-columns: 1fr !important; }
  .about-image-wrapper { order: -1; }
}

@media (max-width: 768px) {
  .container { padding: 0 16px !important; }
  .section { padding: 44px 0 !important; }
  .section-header h2 { font-size: 1.5rem !important; }
  .hero h1 { font-size: 1.55rem !important; }
  .hero-stats { gap: 12px !important; flex-wrap: wrap; }
  .hero-stat-num { font-size: 1.5rem !important; }
  .hero-floating-card { width: 180px !important; left: 8px !important; bottom: 10px !important; padding: 12px !important; }
  .grid-4 { grid-template-columns: repeat(2,1fr) !important; }
  .grid-3 { grid-template-columns: 1fr !important; }
  .course-hero { padding: calc(var(--nav-h) + 20px) 0 30px !important; }
  .course-layout { grid-template-columns: 1fr !important; }
  .about-mini-card { right: 4px !important; bottom: 12px !important; width: 160px !important; padding: 12px !important; }
  /* Courses page */
  .courses-aside { display: none !important; }
  [style*="display:flex;gap:28px"] { flex-direction: column !important; }
  [style*="display:flex;gap:28"] { flex-direction: column !important; }
  /* Settings grid */
  [style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
  /* Footer */
  .footer-grid { grid-template-columns: 1fr !important; text-align: center; }
  .footer-social { justify-content: center !important; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.35rem !important; }
  .hero-image img { min-height: 220px !important; border-radius: 14px !important; }
  .navbar { padding: 0 14px; }
  .nav-logo img { height: 38px; }
  .course-card-body { padding: 14px; }
  .course-card-title { font-size: .9rem; }
  .auth-card { padding: 24px 18px !important; margin: 12px !important; }
  .auth-page { padding: 0 !important; align-items: flex-start; padding-top: 14px !important; }
}

/* Coupon styles */
.coupon-row { display: flex; gap: 8px; margin: 12px 0; }
.coupon-row input { flex: 1; padding: 10px 14px; border: 1.5px solid #E5EDFF; border-radius: 8px; font-size: .87rem; outline: none; font-family: 'DM Sans',sans-serif; }
.coupon-row input:focus { border-color: #0032B8; }
.coupon-row button { padding: 10px 16px; background: #0032B8; color: #fff; border: none; border-radius: 8px; font-weight: 700; cursor: pointer; font-size: .84rem; white-space: nowrap; }
.coupon-success { color: #10B981; font-size: .82rem; margin-top: 4px; }
.coupon-error { color: #EF4444; font-size: .82rem; margin-top: 4px; }