/* ONE MEDIA SPACE Design System */
:root {
    --primary: #D20000;
    --primary-dark: #A80000;
    --primary-light: #FF2222;
    --accent: #2B0000;
    --accent-dark: #1A0000;
    --bg: #F5F5F5;
    --bg-alt: #EBEBEB;
    --surface: #FFFFFF;
    --text: #0A0A0A;
    --text-secondary: #444444;
    --text-muted: #777777;
    --border: #DDDDDD;
    --border-light: #ECECEC;
    --black: #000000;
    --success: #059669;
    --warning: #D97706;
    --danger: #DC2626;
    --info: #0284C7;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --font: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: .25s cubic-bezier(.4,0,.2,1);
    --header-h: 76px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);overflow-x:hidden;max-width:100vw}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;overflow-x:clip}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Typography */
h1,h2,h3,h4{font-weight:600;line-height:1.25;color:var(--text)}
.display{font-family:var(--font-display);font-weight:400;line-height:1.15}
.section-title{font-size:clamp(1.75rem,4vw,2.5rem);margin-bottom:.5rem}
.section-subtitle{color:var(--text-secondary);font-size:1.05rem;max-width:560px}
.section-header{text-align:center;margin-bottom:3rem}
.section-header .section-subtitle{margin:0 auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-family:var(--font);font-size:.9375rem;font-weight:500;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-accent{background:var(--primary);color:#fff}
.btn-accent:hover{background:var(--primary-dark);color:#fff}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{border-color:var(--primary);color:#fff;background:rgba(210,0,0,.12)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:.5rem 1rem;font-size:.875rem}
.btn-lg{padding:1rem 2rem;font-size:1rem}
.btn-block{width:100%}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#B91C1C;color:#fff}

/* Forms */
.form-group{margin-bottom:1.25rem}
.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem;color:var(--text)}
.form-control{width:100%;padding:.75rem 1rem;font-family:var(--font);font-size:.9375rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);transition:border-color var(--transition),box-shadow var(--transition)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(210,0,0,.15)}
.form-control::placeholder{color:var(--text-muted)}
.form-error{color:var(--danger);font-size:.8125rem;margin-top:.25rem}
.form-hint{color:var(--text-muted);font-size:.8125rem;margin-top:.25rem}
select.form-control{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A8A8A' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.5rem}
textarea.form-control{min-height:120px;resize:vertical}
.form-check{display:flex;align-items:center;gap:.5rem;font-size:.875rem}
.form-check input{width:18px;height:18px;accent-color:var(--primary)}

/* Badges */
.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:500;border-radius:999px;text-transform:capitalize}
.badge-success{background:#D1FAE5;color:#065F46}
.badge-warning{background:#FEF3C7;color:#92400E}
.badge-danger{background:#FEE2E2;color:#991B1B}
.badge-info{background:#DBEAFE;color:#1E40AF}
.badge-secondary{background:var(--bg-alt);color:var(--text-secondary)}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(0,0,0,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(210,0,0,.25);transition:box-shadow var(--transition);width:100%;max-width:100vw;overflow-x:clip}
.site-header.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:.75rem;min-width:0;width:100%}
.logo{display:flex;align-items:center;gap:.625rem;font-weight:600;font-size:1.25rem;color:#fff;flex-shrink:0;text-decoration:none}
.logo-img{display:block;height:44px;width:auto;max-width:none;object-fit:contain}
.logo--header .logo-img{height:48px}
.logo--footer .logo-img{height:52px}
.logo--mobile .logo-img{height:40px}
.logo-wordmark{display:flex;flex-direction:column;line-height:1.1}
.logo-one{font-size:1.25rem;font-weight:800;color:var(--primary);letter-spacing:.04em}
.logo-sub{font-size:.5625rem;font-weight:600;color:rgba(210,0,0,.55);letter-spacing:.22em;text-transform:uppercase}
.logo-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff}
.logo-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--primary);color:#fff;border-radius:var(--radius-sm);font-family:var(--font);font-weight:700;font-size:.875rem}
.main-nav{flex:1;display:flex;justify-content:center;min-width:0}
.main-nav ul{display:flex;gap:2rem;list-style:none}
.main-nav a{color:rgba(255,255,255,.78);font-size:.9375rem;font-weight:500;padding:.25rem 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:#fff}
.main-nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--primary);transition:width var(--transition)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:.5rem;flex-shrink:0;margin-left:auto}
.header-auth{display:flex;align-items:center;gap:.5rem}
.header-icon,.search-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;background:transparent;color:rgba(255,255,255,.75);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition);flex-shrink:0}
.header-icon:hover,.search-toggle:hover{background:rgba(210,0,0,.15);color:#fff}
.header-icon svg,.search-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}
.user-menu{position:relative}
.user-menu-toggle{display:flex;align-items:center;gap:.5rem;padding:.375rem .75rem .375rem .375rem;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:rgba(255,255,255,.06);cursor:pointer;font-family:var(--font);font-size:.875rem;color:#fff}
.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.8125rem}
.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);transition:all var(--transition);z-index:100}
.user-dropdown.open{opacity:1;visibility:visible;transform:translateY(0)}
.user-dropdown a{display:block;padding:.75rem 1rem;color:var(--text);font-size:.875rem;transition:background var(--transition)}
.user-dropdown a:hover{background:var(--bg-alt);color:var(--primary)}
.user-dropdown hr{border:none;border-top:1px solid var(--border);margin:.25rem 0}
.mobile-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:1.5px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);background:rgba(255,255,255,.06);cursor:pointer;flex-shrink:0;flex-direction:column;gap:5px}
.mobile-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:1px;transition:all var(--transition)}
.mobile-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-toggle.open span:nth-child(2){opacity:0}
.mobile-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Search Bar */
.search-bar{padding:1rem 0;background:var(--bg-alt);border-bottom:1px solid var(--border)}
.search-form{display:flex;gap:.75rem;max-width:640px;margin:0 auto}
.search-form input{flex:1}
.search-suggestions{max-width:640px;margin:.5rem auto 0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden}
.search-suggestions a{display:block;padding:.75rem 1rem;font-size:.875rem;color:var(--text);border-bottom:1px solid var(--border-light)}
.search-suggestions a:hover{background:var(--bg-alt)}

/* Mobile Nav */
.mobile-nav{position:fixed;top:0;right:0;width:min(300px,88vw);height:100dvh;background:var(--surface);z-index:2001;transform:translateX(100%);transition:transform .3s ease,visibility .3s;box-shadow:var(--shadow-lg);overflow-y:auto;visibility:hidden}
.mobile-nav.open{transform:translateX(0);visibility:visible}
.mobile-nav-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:1}
.mobile-nav-close{font-size:1.75rem;line-height:1;border:none;background:none;cursor:pointer;color:var(--text-muted);width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.mobile-nav nav{display:flex;flex-direction:column;padding:1rem}
.mobile-nav a{padding:.875rem 1rem;color:var(--text);font-weight:500;border-radius:var(--radius-sm);font-size:1rem}
.mobile-nav a:hover,.mobile-nav a:active{background:var(--bg-alt)}
.mobile-nav-cta{background:var(--primary)!important;color:#fff!important;text-align:center;margin:.5rem 1rem!important}
.mobile-nav hr{border:none;border-top:1px solid var(--border);margin:.5rem 0}
.mobile-nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:2000;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.mobile-nav-overlay.open{opacity:1;visibility:visible}

/* Hero */
.hero{position:relative;min-height:85vh;display:flex;align-items:center;background:linear-gradient(145deg,#000000 0%,#1A0000 45%,#D20000 100%);overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('../images/hero-pattern.svg') center/cover;opacity:.08}
.hero-content{position:relative;z-index:2;padding:4rem 0;color:#fff;max-width:680px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.375rem 1rem;background:rgba(255,255,255,.12);border-radius:999px;font-size:.8125rem;margin-bottom:1.5rem;backdrop-filter:blur(4px)}
.hero h1{font-family:var(--font-display);font-size:clamp(2.5rem,6vw,4rem);font-weight:400;line-height:1.1;margin-bottom:1rem;color:#fff}
.hero p{font-size:1.125rem;line-height:1.7;opacity:.9;margin-bottom:2rem;max-width:520px}
.hero-search{background:rgba(255,255,255,.95);padding:1rem;border-radius:var(--radius);display:flex;gap:.75rem;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.hero-search select,.hero-search input{flex:1;min-width:0;width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:.9375rem}
.hero-search .btn{flex-shrink:0}
.hero-stats{display:flex;gap:2.5rem;margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.15)}
.hero-stat strong{display:block;font-size:1.5rem;font-weight:600}
.hero-stat span{font-size:.8125rem;opacity:.7}

/* Sections */
section{padding:5rem 0}
section:nth-child(even):not(.cta-section):not(.stats-section):not(.hero){background:var(--surface)}

/* Category Cards */
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));justify-content:center;gap:1.5rem;width:100%}
.category-card{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);transition:all var(--transition);cursor:pointer;color:inherit;max-width:100%}
.category-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.category-card__icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:rgba(210,0,0,.08);border-radius:var(--radius-sm);color:var(--primary);flex-shrink:0}
.category-card__icon svg{width:24px;height:24px}
.category-card__name{font-weight:600;font-size:.9375rem;margin-bottom:.125rem}
.category-card__count{font-size:.8125rem;color:var(--text-muted)}

/* Course Cards */
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));justify-content:center;justify-items:center;gap:1.75rem;width:100%}
.course-grid.list-view{grid-template-columns:1fr;justify-items:stretch}
.course-card{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);overflow:hidden;transition:all var(--transition);display:flex;flex-direction:column;width:100%;max-width:380px}
.course-grid.list-view .course-card{max-width:none}
.course-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.course-card__image{position:relative;aspect-ratio:16/10;overflow:hidden}
.course-card__image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.course-card:hover .course-card__image img{transform:scale(1.05)}
.course-card__badge{position:absolute;top:12px;left:12px;padding:.25rem .625rem;background:var(--danger);color:#fff;font-size:.75rem;font-weight:600;border-radius:var(--radius-sm)}
.course-card__wishlist{position:absolute;top:12px;right:12px;width:36px;height:36px;border:none;border-radius:50%;background:rgba(255,255,255,.9);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}
.course-card__wishlist svg{width:18px;height:18px;stroke:var(--text-muted);fill:none;stroke-width:2;transition:all var(--transition)}
.course-card__wishlist.active svg,.course-card__wishlist:hover svg{stroke:var(--danger);fill:var(--danger)}
.course-card__body{padding:1.25rem;flex:1;display:flex;flex-direction:column}
.course-card__category{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-bottom:.375rem}
.course-card__title{font-size:1.0625rem;margin-bottom:.375rem;line-height:1.35}
.course-card__title a{color:var(--text)}
.course-card__title a:hover{color:var(--primary)}
.course-card__desc{font-size:.8125rem;color:var(--text-secondary);margin-bottom:.75rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-card__meta{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem;font-size:.8125rem}
.course-card__students{color:var(--text-muted)}
.course-card__instructor{font-size:.8125rem;color:var(--text-secondary);margin-bottom:.375rem}
.course-card__details{display:flex;gap:.375rem;font-size:.8125rem;color:var(--text-muted);margin-bottom:1rem}
.course-card__footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:.75rem;border-top:1px solid var(--border-light)}
.price-current{font-size:1.125rem;font-weight:700;color:var(--text)}
.price-original{font-size:.875rem;color:var(--text-muted);text-decoration:line-through;margin-left:.375rem}

/* Stars */
.stars{display:inline-flex;align-items:center;gap:2px}
.star{width:14px;height:14px}
.star-full path{fill:var(--accent)}
.star-half path{fill:var(--accent);opacity:.5}
.star-empty path{fill:var(--border)}
.rating-num{font-size:.8125rem;font-weight:500;margin-left:.25rem;color:var(--text)}

/* Benefits */
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));justify-content:center;gap:2rem;width:100%}
.benefit-card{text-align:center;padding:2rem 1.5rem}
.benefit-card__icon{width:56px;height:56px;margin:0 auto 1.25rem;display:flex;align-items:center;justify-content:center;background:rgba(210,0,0,.08);border-radius:var(--radius);color:var(--primary)}
.benefit-card__icon svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:1.5}
.benefit-card h3{font-size:1.0625rem;margin-bottom:.5rem}
.benefit-card p{font-size:.875rem;color:var(--text-secondary)}

/* Stats Section */
.stats-section{background:var(--black);color:#fff;padding:4rem 0;border-top:3px solid var(--primary)}
section.stats-section{background:var(--black);color:#fff}
section.stats-section .stat-item strong,section.stats-section .stat-item span{color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem;text-align:center}
.stat-item strong{display:block;font-size:clamp(2rem,4vw,3rem);font-weight:700;font-family:var(--font-display)}
.stat-item span{font-size:.9375rem;opacity:.8}

/* Timeline */
.timeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));justify-content:center;gap:2rem;position:relative;width:100%}
.timeline-item{text-align:center;padding:1.5rem}
.timeline-num{width:48px;height:48px;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:50%;font-weight:700;font-size:1.125rem}
.timeline-item h3{font-size:1rem;margin-bottom:.375rem}
.timeline-item p{font-size:.875rem;color:var(--text-secondary)}

/* Testimonials */
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));justify-content:center;justify-items:center;gap:1.5rem;width:100%}
.testimonial-card{padding:1.75rem;background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);transition:box-shadow var(--transition);width:100%;max-width:420px}
.testimonial-card:hover{box-shadow:var(--shadow)}
.testimonial-card__stars{margin-bottom:1rem}
.testimonial-card__text{font-size:.9375rem;line-height:1.7;color:var(--text-secondary);margin-bottom:1.25rem;font-style:italic}
.testimonial-card__author{display:flex;align-items:center;gap:.75rem}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem}
.testimonial-name{font-weight:600;font-size:.875rem}
.testimonial-position{font-size:.8125rem;color:var(--text-muted)}

/* CTA */
section.cta-section{background:linear-gradient(135deg,var(--black),var(--accent));color:#fff;text-align:center;padding:5rem 0;border-top:3px solid var(--primary);border-bottom:3px solid var(--primary)}
section.cta-section h2{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.75rem);font-weight:400;margin-bottom:.75rem;color:#fff}
section.cta-section p{color:rgba(255,255,255,.9);margin-bottom:2rem;max-width:480px;margin-left:auto;margin-right:auto}
section.cta-section .btn-accent{font-size:1rem;padding:1rem 2.5rem}

/* Page Header */
.page-header{padding:3rem 0 2rem;background:var(--surface);border-bottom:1px solid var(--border-light)}
.page-header h1{font-family:var(--font-display);font-size:clamp(1.75rem,4vw,2.5rem);font-weight:400;margin-bottom:.375rem}
.page-header p{color:var(--text-secondary)}
.breadcrumb{display:flex;gap:.5rem;font-size:.875rem;color:var(--text-muted);margin-bottom:1rem}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}

/* Courses Page Layout */
.courses-layout{display:grid;grid-template-columns:280px 1fr;gap:2rem;padding:2rem 0 4rem}
.filters-sidebar{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);padding:1.5rem;height:fit-content;position:sticky;top:calc(var(--header-h) + 1rem)}
.filter-group{margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-light)}
.filter-group:last-child{border:none;margin-bottom:0;padding-bottom:0}
.filter-group h4{font-size:.875rem;font-weight:600;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.03em}
.filter-option{display:flex;align-items:center;gap:.5rem;padding:.375rem 0;font-size:.875rem;cursor:pointer}
.filter-option input{accent-color:var(--primary)}
.courses-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}
.courses-toolbar-left{display:flex;align-items:center;gap:1rem}
.courses-count{font-size:.875rem;color:var(--text-muted)}
.view-toggle{display:flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.view-toggle button{padding:.5rem .75rem;border:none;background:var(--surface);cursor:pointer;color:var(--text-muted);transition:all var(--transition)}
.view-toggle button.active{background:var(--primary);color:#fff}
.filter-toggle{display:none;padding:.5rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;font-family:var(--font);font-size:.875rem}

/* Course Detail */
.course-hero{display:grid;grid-template-columns:1fr 380px;gap:2.5rem;padding:2rem 0 3rem}
.course-hero__media{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/10}
.course-hero__media img{width:100%;height:100%;object-fit:cover}
.course-hero__sidebar{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);padding:1.75rem;height:fit-content;position:sticky;top:calc(var(--header-h) + 1rem)}
.course-meta-list{display:flex;flex-direction:column;gap:.75rem;margin:1.25rem 0;padding:1.25rem 0;border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light)}
.course-meta-item{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--text-secondary)}
.course-meta-item svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:2;flex-shrink:0}
.course-detail-content{max-width:800px}
.course-tabs{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:2rem;overflow-x:auto}
.course-tab{padding:.875rem 1.25rem;border:none;background:none;font-family:var(--font);font-size:.9375rem;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;transition:all var(--transition);white-space:nowrap}
.course-tab.active,.course-tab:hover{color:var(--primary);border-bottom-color:var(--primary)}
.checklist{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.75rem}
.checklist li{display:flex;align-items:flex-start;gap:.625rem;font-size:.9375rem;padding:.5rem 0}
.checklist li::before{content:'✓';color:var(--success);font-weight:700;flex-shrink:0}
.accordion-item{border:1px solid var(--border-light);border-radius:var(--radius-sm);margin-bottom:.5rem;overflow:hidden}
.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:var(--surface);cursor:pointer;font-weight:500;font-size:.9375rem;transition:background var(--transition)}
.accordion-header:hover{background:var(--bg-alt)}
.accordion-header svg{width:18px;height:18px;transition:transform var(--transition)}
.accordion-item.open .accordion-header svg{transform:rotate(180deg)}
.accordion-body{display:none;padding:0 1.25rem 1rem}
.accordion-item.open .accordion-body{display:block}
.lesson-list{list-style:none}
.lesson-list li{display:flex;align-items:center;gap:.75rem;padding:.625rem 0;font-size:.875rem;color:var(--text-secondary);border-bottom:1px solid var(--border-light)}
.lesson-list li:last-child{border:none}
.instructor-card{display:flex;gap:1.5rem;padding:1.5rem;background:var(--bg-alt);border-radius:var(--radius)}
.instructor-photo{width:100px;height:100px;border-radius:50%;object-fit:cover;flex-shrink:0}
.review-card{padding:1.25rem;border:1px solid var(--border-light);border-radius:var(--radius);margin-bottom:1rem}
.review-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}
.review-author{font-weight:600;font-size:.9375rem}

/* Booking */
.booking-wizard{max-width:720px;margin:2rem auto;padding:0 1rem}
.booking-steps{display:flex;justify-content:center;gap:0;margin-bottom:2.5rem}
.booking-step{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:var(--text-muted)}
.booking-step-num{width:32px;height:32px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:600;transition:all var(--transition)}
.booking-step.active .booking-step-num,.booking-step.completed .booking-step-num{background:var(--primary);border-color:var(--primary);color:#fff}
.booking-step.active{color:var(--primary);font-weight:500}
.booking-step-line{width:40px;height:2px;background:var(--border);margin:0 .5rem}
.booking-step.completed .booking-step-line{background:var(--primary)}
.booking-panel{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);padding:2rem}
.booking-summary{background:var(--bg-alt);border-radius:var(--radius-sm);padding:1.25rem;margin-bottom:1.5rem}
.booking-summary-row{display:flex;justify-content:space-between;padding:.375rem 0;font-size:.875rem}
.booking-summary-row.total{font-weight:700;font-size:1rem;border-top:1px solid var(--border);margin-top:.5rem;padding-top:.75rem}

/* Auth Pages */
.auth-page{min-height:calc(100vh - var(--header-h));display:flex;align-items:center;justify-content:center;padding:3rem 1rem}
.auth-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:2.5rem;box-shadow:var(--shadow)}
.auth-card h1{font-family:var(--font-display);font-size:1.75rem;font-weight:400;text-align:center;margin-bottom:.375rem}
.auth-card .subtitle{text-align:center;color:var(--text-secondary);margin-bottom:2rem;font-size:.9375rem}
.auth-divider{text-align:center;margin:1.5rem 0;color:var(--text-muted);font-size:.8125rem;position:relative}
.auth-divider::before,.auth-divider::after{content:'';position:absolute;top:50%;width:40%;height:1px;background:var(--border)}
.auth-divider::before{left:0}
.auth-divider::after{right:0}

/* User Dashboard */
.dashboard-layout{display:grid;grid-template-columns:260px 1fr;gap:2rem;padding:2rem 0 4rem;min-height:calc(100vh - var(--header-h) - 200px)}
.dashboard-sidebar{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius);padding:1.5rem;height:fit-content;position:sticky;top:calc(var(--header-h) + 1rem)}
.dashboard-nav{list-style:none}
.dashboard-nav a{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9375rem;font-weight:500;transition:all var(--transition);margin-bottom:.25rem}
.dashboard-nav a:hover,.dashboard-nav a.active{background:rgba(210,0,0,.08);color:var(--primary)}
.dashboard-nav svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5}
.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}
.stat-card{padding:1.25rem;background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius)}
.stat-card__value{font-size:1.75rem;font-weight:700;color:var(--primary)}
.stat-card__label{font-size:.8125rem;color:var(--text-muted);margin-top:.25rem}

/* Tables */
.table-responsive{overflow-x:auto;border:1px solid var(--border-light);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:.875rem}
thead{background:var(--bg-alt)}
th,td{padding:.875rem 1rem;text-align:left;border-bottom:1px solid var(--border-light)}
th{font-weight:600;font-size:.8125rem;text-transform:uppercase;letter-spacing:.03em;color:var(--text-secondary)}
tbody tr:hover{background:var(--bg-alt)}
.table-actions{display:flex;gap:.375rem}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:.375rem;margin-top:2rem}
.pagination-num,.pagination-btn{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 .75rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem;color:var(--text);transition:all var(--transition)}
.pagination-num:hover,.pagination-btn:hover{border-color:var(--primary);color:var(--primary)}
.pagination-num.active{background:var(--primary);border-color:var(--primary);color:#fff}
.pagination-dots{display:flex;align-items:center;padding:0 .25rem;color:var(--text-muted)}

/* Footer */
.site-footer{background:var(--black);color:rgba(255,255,255,.7);padding:4rem 0 2rem;border-top:3px solid var(--primary)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}
.footer-brand .logo{color:#fff;margin-bottom:1rem}
.footer-brand p{font-size:.875rem;line-height:1.7;margin-bottom:1.25rem}
.footer-social{display:flex;gap:.75rem}
.footer-social a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.08);transition:background var(--transition)}
.footer-social a:hover{background:var(--primary)}
.footer-social svg{width:16px;height:16px;stroke:#fff;fill:none;stroke-width:2}
.footer-links h4{color:#fff;font-size:.875rem;margin-bottom:1rem}
.footer-links ul{list-style:none}
.footer-links a{color:rgba(255,255,255,.6);font-size:.875rem;display:block;padding:.25rem 0;transition:color var(--transition)}
.footer-links a:hover{color:#fff}
.footer-bottom{padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:.8125rem}

/* Toast */
.toast-container{position:fixed;top:1rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem}
.toast{padding:1rem 1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:.875rem;animation:slideIn .3s ease;max-width:360px;display:flex;align-items:center;gap:.75rem}
.toast.success{border-left:3px solid var(--success)}
.toast.error{border-left:3px solid var(--danger)}
.toast.info{border-left:3px solid var(--info)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:9998;display:flex;align-items:center;justify-content:center;padding:1rem;opacity:1;transition:opacity var(--transition)}
.modal-overlay.hidden{opacity:0;pointer-events:none}
.modal{background:var(--surface);border-radius:var(--radius);max-width:480px;width:100%;box-shadow:var(--shadow-lg);animation:modalIn .3s ease}
@keyframes modalIn{from{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-light)}
.modal-header h3{font-size:1.0625rem}
.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-muted)}
.modal-body{padding:1.5rem}
.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:.75rem}

/* Empty State */
.empty-state{text-align:center;padding:4rem 2rem}
.empty-state svg{width:64px;height:64px;stroke:var(--text-muted);fill:none;stroke-width:1;margin:0 auto 1rem}
.empty-state h3{margin-bottom:.5rem}
.empty-state p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.9375rem}

/* Loading */
.loading-spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:2rem auto}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--bg-alt) 25%,var(--border-light) 50%,var(--bg-alt) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* Utilities */
.hidden{display:none!important}
.text-center{text-align:center}
.text-danger{color:var(--danger)}
.text-success{color:var(--success)}
.text-muted{color:var(--text-muted)}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}
.gap-1{gap:.5rem}.gap-2{gap:1rem}

/* List view course card */
.course-card--list{flex-direction:row}
.course-card--list .course-card__image{width:280px;aspect-ratio:auto;min-height:180px;flex-shrink:0}
.course-card--list .course-card__body{padding:1.5rem}

/* Filter drawer mobile */
.filter-drawer{position:fixed;inset:0;z-index:2000;pointer-events:none}
.filter-drawer.open{pointer-events:auto}
.filter-drawer-overlay{position:absolute;inset:0;background:rgba(0,0,0,.4);opacity:0;transition:opacity var(--transition)}
.filter-drawer.open .filter-drawer-overlay{opacity:1}
.filter-drawer-panel{position:absolute;top:0;left:0;width:min(320px,85vw);height:100%;background:var(--surface);overflow-y:auto;transform:translateX(-100%);transition:transform var(--transition);padding:1.5rem}
.filter-drawer.open .filter-drawer-panel{transform:translateX(0)}

/* Scroll animations */
.animate-on-scroll{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.animate-on-scroll.visible{opacity:1;transform:translateY(0)}

/* Form validation */
.form-control.is-invalid{border-color:var(--danger);box-shadow:0 0 0 3px rgba(220,38,38,.12)}

/* Responsive */
@media(max-width:1024px){
    .course-hero{grid-template-columns:1fr}
    .course-hero__sidebar{position:static}
    .courses-layout{grid-template-columns:1fr}
    .filters-sidebar{display:none}
    .filter-toggle{display:flex;align-items:center;gap:.5rem}
    .dashboard-layout{grid-template-columns:1fr}
    .dashboard-sidebar{position:static}
    .footer-grid{grid-template-columns:1fr 1fr}
}
/* Featured carousel — desktop shows normal grid */
@media(min-width:769px){
    #featured .featured-scroll{
        display:grid;
        grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));
        justify-content:center;
        justify-items:center;
        gap:1.75rem;
        overflow:visible;
    }
    #featured .featured-slide{
        display:contents;
    }
    #featured .featured-slide .course-card{
        max-width:380px;
    }
    #featured .featured-controls{
        display:none!important;
    }
}

@media(max-width:768px){
    .main-nav{display:none}
    .header-auth{display:none!important}
    .header-actions .lang-switch{display:none}
    .header-login,.header-register{display:none!important}
    .header-icon--wishlist{display:none}
    .user-menu{display:none}
    .mobile-toggle{display:flex!important;visibility:visible}
    .header-actions{gap:.375rem}
    .search-toggle{width:40px;height:40px;min-width:40px}
    .header-inner{height:68px;gap:.5rem}
    .site-header .container{padding-left:12px;padding-right:12px}
    .logo--header .logo-img{height:40px}
    .logo--mobile .logo-img{height:36px}
    .logo-icon{width:32px;height:32px;font-size:1rem}
    .hero{min-height:auto;padding:2rem 0 1.5rem}
    .hero-content{padding:0}
    .hero-badge{margin-bottom:1rem;font-size:.75rem}
    .hero h1{margin-bottom:.625rem}
    .hero p{font-size:1rem;margin-bottom:1.25rem;line-height:1.6}
    .hero-search{padding:.75rem;gap:.5rem;margin-bottom:0}
    .hero-stats{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        gap:.5rem;
        margin-top:1.25rem;
        padding-top:1rem;
        width:100%;
    }
    .hero-stat{text-align:center;min-width:0}
    .hero-stat strong{font-size:clamp(.9375rem,3.2vw,1.125rem);line-height:1.2}
    .hero-stat span{font-size:.625rem;line-height:1.25;opacity:.75;display:block;margin-top:.125rem}
    section.stats-section{padding:2rem 0}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem 1.25rem}
    .stat-item strong{font-size:clamp(1.375rem,5vw,1.75rem)}
    .stat-item span{font-size:.75rem}
    .course-card--list{flex-direction:column}
    .course-card--list .course-card__image{width:100%}
    .footer-grid{grid-template-columns:1fr}
    .user-name{display:none}
    .booking-steps{flex-wrap:wrap;justify-content:center}
    .booking-step-line{display:none}

    /* Home: Popular Categories — 3 per row on mobile */
    #categories .category-grid{
        grid-template-columns:repeat(3,1fr);
        gap:.625rem;
        justify-content:stretch;
    }
    #categories .category-card{
        flex-direction:column;
        align-items:center;
        text-align:center;
        padding:.875rem .375rem;
        gap:.5rem;
    }
    #categories .category-card__icon{
        width:40px;
        height:40px;
    }
    #categories .category-card__icon svg{
        width:20px;
        height:20px;
    }
    #categories .category-card__name{
        font-size:.6875rem;
        line-height:1.3;
        word-break:break-word;
    }
    #categories .category-card__count{
        font-size:.625rem;
    }

    /* Home: Why Choose — 3 per row on mobile */
    #benefits .benefits-grid{
        grid-template-columns:repeat(3,1fr);
        gap:.625rem;
    }
    #benefits .benefit-card{
        padding:.875rem .375rem;
    }
    #benefits .benefit-card__icon{
        width:40px;
        height:40px;
        margin:0 auto .5rem;
    }
    #benefits .benefit-card__icon svg{
        width:20px;
        height:20px;
    }
    #benefits .benefit-card h3{
        font-size:.6875rem;
        line-height:1.3;
        margin-bottom:.25rem;
        word-break:break-word;
    }
    #benefits .benefit-card p{
        font-size:.5625rem;
        line-height:1.35;
        display:-webkit-box;
        -webkit-line-clamp:3;
        -webkit-box-orient:vertical;
        overflow:hidden;
    }
    #benefits .benefit-card:last-child:nth-child(3n+1):not(:only-child){
        grid-column:2;
    }

    /* Home: How It Works — horizontal scroll on mobile */
    #how-it-works .timeline{
        display:flex;
        flex-wrap:nowrap;
        justify-content:flex-start;
        align-items:stretch;
        gap:.75rem;
        overflow-x:auto;
        overflow-y:hidden;
        scroll-snap-type:x mandatory;
        scroll-padding-inline:0;
        -webkit-overflow-scrolling:touch;
        scrollbar-width:none;
        padding-bottom:.5rem;
        width:100%;
        max-width:100%;
    }
    #how-it-works .timeline::-webkit-scrollbar{
        display:none;
    }
    #how-it-works .timeline-item{
        flex:0 0 min(78vw,260px);
        scroll-snap-align:start;
        scroll-snap-stop:always;
        padding:1.25rem 1rem;
        background:var(--surface);
        border:1px solid var(--border-light);
        border-radius:var(--radius);
        box-shadow:var(--shadow-sm);
    }
    #how-it-works .timeline-item.animate-on-scroll{
        transform:none;
    }
    #how-it-works .timeline-item.animate-on-scroll.visible{
        transform:none;
    }
    #how-it-works .timeline-num{
        width:40px;
        height:40px;
        font-size:1rem;
        margin-bottom:.75rem;
    }
    #how-it-works .timeline-item h3{
        font-size:.9375rem;
        margin-bottom:.375rem;
    }
    #how-it-works .timeline-item p{
        font-size:.8125rem;
        line-height:1.45;
    }

    /* Home: Featured Courses — 2 cards per slide, horizontal scroll */
    #featured .featured-carousel{
        margin:0;
    }
    #featured .featured-scroll{
        display:flex;
        gap:.75rem;
        overflow-x:auto;
        overflow-y:hidden;
        scroll-snap-type:x mandatory;
        -webkit-overflow-scrolling:touch;
        scrollbar-width:none;
        padding:0 0 .5rem;
    }
    #featured .featured-scroll::-webkit-scrollbar{
        display:none;
    }
    #featured .featured-slide{
        flex:0 0 82%;
        max-width:300px;
        scroll-snap-align:center;
        display:flex;
        flex-direction:column;
        gap:.75rem;
    }
    #featured .featured-slide .course-card{
        width:100%;
        max-width:none;
        box-shadow:var(--shadow-sm);
    }
    #featured .featured-slide .course-card:hover{
        transform:none;
    }
    #featured .featured-slide .course-card__image{
        aspect-ratio:16/9;
    }
    #featured .featured-slide .course-card__body{
        padding:.75rem;
    }
    #featured .featured-slide .course-card__category{
        font-size:.625rem;
        margin-bottom:.25rem;
    }
    #featured .featured-slide .course-card__title{
        font-size:.875rem;
        line-height:1.3;
        margin-bottom:.25rem;
        display:-webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient:vertical;
        overflow:hidden;
    }
    #featured .featured-slide .course-card__desc,
    #featured .featured-slide .course-card__instructor,
    #featured .featured-slide .course-card__details,
    #featured .featured-slide .course-card__students{
        display:none;
    }
    #featured .featured-slide .course-card__meta{
        margin-bottom:.375rem;
    }
    #featured .featured-slide .course-card__meta .stars{
        transform:scale(.9);
        transform-origin:left center;
    }
    #featured .featured-slide .course-card__footer{
        padding-top:.5rem;
        gap:.5rem;
    }
    #featured .featured-slide .course-card__price .price-current{
        font-size:1rem;
    }
    #featured .featured-slide .course-card__footer .btn{
        padding:.4375rem .75rem;
        font-size:.75rem;
    }

    /* Controls below carousel — no overlap */
    #featured .featured-controls{
        display:flex;
        align-items:center;
        justify-content:center;
        gap:1rem;
        margin-top:1rem;
    }
    #featured .featured-controls__btn{
        display:flex;
        align-items:center;
        justify-content:center;
        width:40px;
        height:40px;
        border:1.5px solid var(--border);
        border-radius:50%;
        background:var(--surface);
        color:var(--primary);
        cursor:pointer;
        flex-shrink:0;
        transition:all var(--transition);
    }
    #featured .featured-controls__btn svg{
        width:18px;
        height:18px;
        stroke:currentColor;
        fill:none;
        stroke-width:2.5;
    }
    #featured .featured-controls__btn:disabled{
        opacity:.3;
        cursor:not-allowed;
    }
    #featured .featured-controls__btn:not(:disabled):hover{
        background:var(--primary);
        color:#fff;
        border-color:var(--primary);
    }
    #featured .featured-controls__dots{
        display:flex;
        align-items:center;
        gap:.375rem;
    }
    #featured .featured-controls__dot{
        width:8px;
        height:8px;
        border-radius:50%;
        border:none;
        padding:0;
        background:var(--border);
        cursor:pointer;
        transition:all var(--transition);
    }
    #featured .featured-controls__dot.active{
        width:22px;
        border-radius:999px;
        background:var(--primary);
    }
    #featured .featured-carousel:not(.is-scrollable) .featured-controls{
        display:none;
    }
}
@media(max-width:480px){
    .container{padding:0 16px}
    .hero-search{flex-direction:column}
    .hero{padding:1.5rem 0 1.25rem}
    .hero-stats{margin-top:1rem;padding-top:.875rem;gap:.375rem}
    section{padding:2.5rem 0}
    section.stats-section{padding:1.75rem 0}
    .stats-grid{gap:.875rem 1rem}
}