/* Academia — Page Styles */

:root {
  --black:   #080808;
  --s1:      #111111;
  --s2:      #161616;
  --s3:      #1c1c1c;
  --b1:      #1f1f1f;
  --b2:      #2a2a2a;
  --b3:      #383838;
  --orange:  #FF6500;
  --od:      #cc5000;
  --og:      rgba(255,101,0,0.08);
  --amber:   #FFB800;
  --green:   #22c55e;
  --blue:    #3b82f6;
  --white:   #F5F5F0;
  --m1:      #888880;
  --m2:      #555550;
  --display: 'Bebas Neue', sans-serif;
  --body:    'DM Sans', sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--black);color:var(--white);font-family:var(--body);font-size:15px;line-height:1.6;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
body::before{content:'';position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");opacity:.02;pointer-events:none;z-index:9999;}

/* ─── Nav ─── */
nav{position:sticky;top:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 40px;height:56px;border-bottom:1px solid var(--b1);background:rgba(8,8,8,.97);backdrop-filter:blur(12px);}
.nav-logo{font-family:var(--display);font-size:24px;letter-spacing:.04em;}
.nav-logo span{color:var(--orange);}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;}
.nav-links a{font-size:12px;color:var(--m1);padding:6px 12px;border-radius:4px;letter-spacing:.04em;transition:background .2s,color .2s;}
.nav-links a:hover{background:var(--s2);color:var(--white);}
.nav-links a.active{background:var(--og);color:var(--orange);}
.btn-nav{padding:7px 16px;border-radius:4px;font-size:12px;font-family:var(--body);cursor:pointer;transition:all .2s;background:var(--orange);border:none;color:var(--white);}
.btn-nav:hover{background:var(--od);}

/* ─── Hero ─── */
.hero{position:relative;min-height:500px;display:flex;align-items:flex-end;padding:60px 40px 48px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#0f0800 0%,#1a0d00 40%,#080808 100%);}
.hero-glow{position:absolute;top:0;left:0;width:60%;height:100%;background:radial-gradient(ellipse at 30% 50%,rgba(255,101,0,.18) 0%,transparent 65%);}
.hero-filmstrip{position:absolute;top:0;right:0;bottom:0;width:40%;overflow:hidden;opacity:.06;}
.hero-filmstrip-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;height:100%;padding:3px;}
.filmhole{background:var(--white);border-radius:2px;}
.hero-content{position:relative;z-index:2;max-width:700px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,101,0,.3);border-radius:2px;padding:5px 14px;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:20px;}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--orange);animation:pulse 2s ease infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(.8);}}
.hero-title{font-family:var(--display);font-size:clamp(56px,7vw,96px);line-height:.92;letter-spacing:.01em;margin-bottom:20px;}
.hero-title .accent{background:linear-gradient(90deg,var(--orange),var(--amber));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-sub{font-size:17px;font-weight:300;color:var(--m1);max-width:520px;line-height:1.65;margin-bottom:32px;}
.hero-sub strong{color:var(--white);font-weight:400;}
.hero-stats{display:flex;gap:32px;margin-bottom:36px;}
.hero-stat-val{font-family:var(--display);font-size:32px;letter-spacing:.02em;color:var(--white);}
.hero-stat-val span{color:var(--orange);}
.hero-stat-label{font-size:11px;color:var(--m1);letter-spacing:.06em;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;}
.btn-primary{background:var(--orange);color:var(--white);padding:13px 28px;border-radius:4px;font-size:14px;font-weight:500;letter-spacing:.02em;cursor:pointer;border:none;transition:background .2s,transform .1s;font-family:var(--body);}
.btn-primary:hover{background:var(--od);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--white);padding:13px 28px;border-radius:4px;font-size:14px;letter-spacing:.02em;cursor:pointer;border:1px solid var(--b3);transition:border-color .2s,transform .1s;font-family:var(--body);}
.btn-outline:hover{border-color:var(--m1);transform:translateY(-1px);}

/* ─── Featured course card (hero right) ─── */
.hero-featured{position:absolute;right:40px;top:50%;transform:translateY(-50%);width:300px;background:var(--s1);border:1px solid var(--b2);border-radius:12px;overflow:hidden;z-index:3;animation:slideLeft .8s .3s ease both;}
@keyframes slideLeft{from{opacity:0;transform:translate(24px,-50%);}to{opacity:1;transform:translate(0,-50%);}}
.featured-thumb{height:160px;display:flex;align-items:center;justify-content:center;font-size:56px;position:relative;}
.featured-thumb-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(17,17,17,.9) 0%,transparent 60%);}
.featured-badge{position:absolute;top:12px;left:12px;font-size:9px;letter-spacing:.12em;padding:3px 10px;border-radius:2px;font-weight:600;}
.badge-free{background:rgba(34,197,94,.2);color:var(--green);border:1px solid rgba(34,197,94,.3);}
.badge-pro{background:rgba(255,184,0,.15);color:var(--amber);border:1px solid rgba(255,184,0,.3);}
.badge-new{background:rgba(255,101,0,.15);color:var(--orange);border:1px solid rgba(255,101,0,.3);}
.featured-body{padding:16px;}
.featured-title{font-size:14px;font-weight:500;margin-bottom:6px;line-height:1.35;}
.featured-meta{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--m1);margin-bottom:12px;}
.featured-instructor{display:flex;align-items:center;gap:8px;}
.instructor-avatar-sm{width:24px;height:24px;border-radius:50%;background:var(--og);border:1px solid rgba(255,101,0,.3);display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0;}
.featured-play{width:100%;padding:10px;background:var(--orange);color:var(--white);border:none;border-radius:6px;font-family:var(--body);font-size:12px;font-weight:500;cursor:pointer;transition:background .2s;}
.featured-play:hover{background:var(--od);}

/* ─── Category tabs ─── */
.category-bar{padding:0 40px;border-bottom:1px solid var(--b1);background:rgba(8,8,8,.95);position:sticky;top:56px;z-index:100;backdrop-filter:blur(8px);}
.category-scroll{display:flex;gap:0;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;}
.category-scroll::-webkit-scrollbar{display:none;}
.cat-tab{padding:16px 20px;font-size:13px;color:var(--m1);cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;letter-spacing:.02em;display:flex;align-items:center;gap:8px;flex-shrink:0;}
.cat-tab:hover{color:var(--white);}
.cat-tab.active{color:var(--orange);border-bottom-color:var(--orange);}
.cat-count{font-size:10px;background:var(--s2);border-radius:10px;padding:1px 7px;color:var(--m1);}
.cat-tab.active .cat-count{background:var(--og);color:var(--orange);}

/* ─── Main ─── */
main{padding:40px 40px 80px;}

/* Section row */
.section-row{margin-bottom:48px;}
.section-row-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px;}
.section-row-title{font-family:var(--display);font-size:28px;letter-spacing:.03em;}
.section-row-link{font-size:12px;color:var(--m1);letter-spacing:.06em;cursor:pointer;transition:color .2s;}
.section-row-link:hover{color:var(--orange);}
.courses-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.courses-row.wide{grid-template-columns:repeat(3,1fr);}

/* ─── Course Card ─── */
.course-card{background:var(--s1);border:1px solid var(--b1);border-radius:10px;overflow:hidden;cursor:pointer;transition:border-color .25s,transform .2s;animation:cardIn .4s ease both;}
.course-card:hover{border-color:var(--b3);transform:translateY(-2px);}
.course-card:hover .course-play{opacity:1;}
@keyframes cardIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
.course-thumb{position:relative;height:150px;display:flex;align-items:center;justify-content:center;font-size:44px;overflow:hidden;}
.thumb-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(17,17,17,.85) 0%,transparent 55%);}
.course-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(255,101,0,.15);opacity:0;transition:opacity .2s;}
.play-circle{width:44px;height:44px;border-radius:50%;background:var(--orange);display:flex;align-items:center;justify-content:center;font-size:16px;}
.course-badge-wrap{position:absolute;top:10px;left:10px;display:flex;gap:5px;}
.course-level{position:absolute;bottom:10px;right:10px;font-size:9px;letter-spacing:.1em;color:var(--m1);}
.course-body{padding:14px;}
.course-category-label{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--orange);margin-bottom:5px;}
.course-title{font-size:14px;font-weight:500;line-height:1.35;margin-bottom:8px;color:var(--white);}
.course-instructor-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.course-instructor-name{font-size:12px;color:var(--m1);}
.course-meta-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.course-meta-item{font-size:11px;color:var(--m2);display:flex;align-items:center;gap:3px;}
.course-rating{font-size:12px;color:var(--amber);}
.course-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--b1);}
.course-price{font-family:var(--display);font-size:20px;letter-spacing:.02em;}
.course-price.free{color:var(--green);}
.course-price-orig{font-size:11px;color:var(--m2);text-decoration:line-through;margin-left:4px;}
.course-students{font-size:11px;color:var(--m2);}

/* ─── Instructors strip ─── */
.instructors-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:0;}
.instructor-card{background:var(--s1);border:1px solid var(--b1);border-radius:10px;padding:20px;text-align:center;cursor:pointer;transition:border-color .2s,transform .2s;}
.instructor-card:hover{border-color:var(--b3);transform:translateY(-2px);}
.instructor-avatar{width:64px;height:64px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:28px;border:2px solid var(--b2);}
.instructor-name{font-size:15px;font-weight:500;margin-bottom:3px;}
.instructor-role{font-size:12px;color:var(--m1);margin-bottom:10px;}
.instructor-stats{display:flex;justify-content:center;gap:16px;}
.ins-stat{text-align:center;}
.ins-stat-val{font-family:var(--display);font-size:18px;letter-spacing:.02em;color:var(--orange);}
.ins-stat-label{font-size:10px;color:var(--m2);}

/* ─── Course Modal ─── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.88);backdrop-filter:blur(10px);z-index:9000;display:flex;align-items:flex-start;justify-content:center;padding:32px 16px;overflow-y:auto;opacity:0;pointer-events:none;transition:opacity .25s;}
.modal-overlay.open{opacity:1;pointer-events:all;}
.modal{background:var(--s1);border:1px solid var(--b2);border-radius:16px;width:100%;max-width:900px;overflow:hidden;transform:translateY(20px);transition:transform .3s;margin:auto;}
.modal-overlay.open .modal{transform:translateY(0);}
.modal-close{position:absolute;top:16px;right:16px;background:rgba(8,8,8,.8);border:1px solid var(--b2);color:var(--m1);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:all .2s;z-index:10;}
.modal-close:hover{background:var(--s2);color:var(--white);}
.modal-hero-course{position:relative;height:280px;display:flex;align-items:flex-end;padding:28px;overflow:hidden;}
.modal-hero-emoji{position:absolute;top:50%;left:50%;transform:translate(-50%,-60%);font-size:120px;opacity:.2;}
.modal-hero-overlay-course{position:absolute;inset:0;background:linear-gradient(to top,rgba(17,17,17,1) 0%,rgba(17,17,17,.2) 100%);}
.modal-hero-content{position:relative;z-index:2;width:100%;}
.modal-course-cat{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:8px;}
.modal-course-title{font-family:var(--display);font-size:40px;letter-spacing:.02em;line-height:1;margin-bottom:10px;}
.modal-course-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.modal-meta-item{font-size:12px;color:var(--m1);}
.modal-meta-item .star{color:var(--amber);}
.modal-body{display:grid;grid-template-columns:1fr 300px;gap:0;}
.modal-main{padding:28px;border-right:1px solid var(--b1);}
.modal-sidebar{padding:24px;background:var(--s2);}
.modal-section{margin-bottom:28px;}
.modal-section-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--m2);margin-bottom:14px;}
.modal-description{font-size:14px;color:var(--m1);line-height:1.7;}
.learn-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.learn-item{font-size:13px;color:var(--m1);display:flex;align-items:flex-start;gap:8px;line-height:1.4;}
.learn-item::before{content:'✓';color:var(--green);font-size:12px;flex-shrink:0;margin-top:2px;}

/* Curriculum */
.curriculum{display:flex;flex-direction:column;gap:4px;}
.module{border:1px solid var(--b1);border-radius:8px;overflow:hidden;}
.module-header{padding:12px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:background .2s;background:var(--s2);}
.module-header:hover{background:var(--s3);}
.module-title{font-size:13px;font-weight:500;}
.module-meta{font-size:11px;color:var(--m1);}
.module-arrow{color:var(--m2);transition:transform .25s;font-size:12px;}
.module.open .module-arrow{transform:rotate(180deg);}
.module-lessons{display:none;flex-direction:column;gap:0;}
.module.open .module-lessons{display:flex;}
.lesson{display:flex;align-items:center;gap:12px;padding:10px 16px;border-top:1px solid var(--b1);transition:background .2s;cursor:pointer;}
.lesson:hover{background:var(--s3);}
.lesson-icon{font-size:13px;width:20px;text-align:center;flex-shrink:0;}
.lesson-title{font-size:13px;color:var(--m1);flex:1;}
.lesson-dur{font-size:11px;color:var(--m2);}
.lesson-free{font-size:9px;letter-spacing:.1em;color:var(--green);border:1px solid rgba(34,197,94,.3);border-radius:2px;padding:2px 6px;}

/* Sidebar price */
.sidebar-price-block{margin-bottom:20px;}
.sidebar-price{font-family:var(--display);font-size:40px;letter-spacing:.02em;line-height:1;}
.sidebar-price.free-price{color:var(--green);}
.sidebar-price-orig{font-size:14px;color:var(--m2);text-decoration:line-through;margin-left:6px;}
.sidebar-price-desc{font-size:12px;color:var(--m1);margin-top:4px;}
.btn-enroll{width:100%;padding:14px;background:var(--orange);color:var(--white);border:none;border-radius:8px;font-family:var(--body);font-size:14px;font-weight:500;cursor:pointer;margin-bottom:10px;transition:background .2s;}
.btn-enroll:hover{background:var(--od);}
.btn-preview{width:100%;padding:12px;background:transparent;color:var(--white);border:1px solid var(--b3);border-radius:8px;font-family:var(--body);font-size:13px;cursor:pointer;transition:all .2s;}
.btn-preview:hover{border-color:var(--m1);}
.sidebar-includes{display:flex;flex-direction:column;gap:8px;margin-top:20px;}
.includes-item{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--m1);}
.includes-icon{font-size:14px;width:20px;text-align:center;}
.sidebar-guarantee{margin-top:20px;padding:14px;background:rgba(34,197,94,.06);border:1px solid rgba(34,197,94,.15);border-radius:8px;text-align:center;}
.guarantee-icon{font-size:22px;margin-bottom:4px;}
.guarantee-text{font-size:11px;color:var(--m1);line-height:1.5;}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;background:var(--s2);border:1px solid var(--b2);border-radius:8px;padding:12px 20px;font-size:13px;z-index:9999;transform:translateY(8px);opacity:0;transition:all .3s;pointer-events:none;}
.toast.show{transform:translateY(0);opacity:1;}
.toast.success{border-color:rgba(34,197,94,.3);color:var(--green);}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s,transform .5s;}
.reveal.visible{opacity:1;transform:none;}