:root{
    --paper:#FBF7EF;
    --paper-2:#F4EEE0;
    --ink:#251A47;
    --ink-soft:#5B527A;
    --violet:#6D28D9;
    --violet-deep:#3E1F82;
    --violet-pale:#EDE4FB;
    --amber:#F2A93B;
    --coral:#F0654B;
    --sage:#5FA073;
    --line: rgba(37,26,71,0.12);
    --shadow: 0 20px 45px -20px rgba(37,26,71,0.35);
    --radius: 22px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Manrope',sans-serif;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Baloo 2', sans-serif;
    font-weight:700;
    color:var(--ink);
    margin:0;
    letter-spacing:-0.01em;
  }
  p{color:var(--ink-soft); line-height:1.65; margin:0;}
  a{text-decoration:none; color:inherit;}
  img{max-width:100%; display:block;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 32px;}
  ::selection{background:var(--amber); color:var(--ink);}

  /* subtle paper texture */
  body::before{
    content:"";
    position:fixed; inset:0; z-index:0; pointer-events:none;
    background-image: radial-gradient(circle at 1px 1px, rgba(37,26,71,0.05) 1px, transparent 0);
    background-size: 22px 22px;
    opacity:.5;
  }

  /* ---------- NAV ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(251,247,239,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{
    max-width:1180px; margin:0 auto; padding:16px 32px;
    display:flex; align-items:center; justify-content:space-between;
  }
  .brand{display:flex; align-items:center; gap:10px;}
  .brand img{height:52px;}
  .nav-links{display:flex; gap:34px; font-weight:600; font-size:15px; color:var(--ink);}
  .nav-links a{position:relative; padding:4px 0;}
  .nav-links a::after{
    content:""; position:absolute; left:0; bottom:0; height:2px; width:0;
    background:var(--violet); transition:width .25s ease;
  }
  .nav-links a:hover::after{width:100%;}
  .nav-cta{
    background:var(--violet); color:#fff; padding:10px 20px; border-radius:100px;
    font-weight:700; font-size:14px; box-shadow:var(--shadow);
    transition:transform .2s ease, background .2s ease;
    white-space:nowrap;
  }
  .nav-cta:hover{transform:translateY(-2px); background:var(--violet-deep);}

  .burger{
    display:none; width:44px; height:44px; border-radius:12px; border:1px solid var(--line);
    background:#fff; align-items:center; justify-content:center; flex-direction:column; gap:5px;
    cursor:pointer; flex-shrink:0;
  }
  .burger span{width:20px; height:2px; background:var(--ink); border-radius:2px; transition:transform .25s ease, opacity .25s ease;}
  .burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger.open span:nth-child(2){opacity:0;}
  .burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  .mobile-panel{
    position:fixed; inset:0 0 0 auto; top:0; height:100dvh; width:min(320px, 84vw);
    background:var(--paper); z-index:100; box-shadow:-20px 0 50px rgba(37,26,71,.25);
    transform:translateX(100%); transition:transform .3s ease;
    padding:26px 26px 30px; display:flex; flex-direction:column; gap:6px;
  }
  .mobile-panel.open{transform:translateX(0);}
  .mobile-panel .mp-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:24px;}
  .mobile-panel .mp-top img{height:36px;}
  .mobile-panel a.mp-link{
    padding:16px 4px; font-family:'Baloo 2'; font-size:20px; font-weight:600; color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .mobile-panel a.nav-cta{margin-top:22px; text-align:center;}
  .scrim{
    position:fixed; inset:0; background:rgba(37,26,71,.35); z-index:99;
    opacity:0; pointer-events:none; transition:opacity .3s ease;
  }
  .scrim.open{opacity:1; pointer-events:auto;}

  /* ---------- HERO ---------- */
  .hero{
    position:relative; z-index:1;
    padding:90px 0 60px;
    overflow:hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns:1.05fr 0.95fr; gap:40px; align-items:center;
  }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    background:var(--violet-pale); color:var(--violet-deep);
    padding:8px 16px; border-radius:100px; font-weight:700; font-size:13px;
    margin-bottom:22px; letter-spacing:.02em;
  }
  .eyebrow span.dot{width:7px; height:7px; border-radius:50%; background:var(--coral); display:inline-block;}
  .hero h1{
    font-size:clamp(38px, 4.6vw, 62px);
    line-height:1.06;
  }
  .hero h1 em{
    font-style:normal; color:var(--violet);
    position:relative;
  }
  .hero h1 em::after{
    content:""; position:absolute; left:-2px; right:-2px; bottom:6px; height:14px;
    background:var(--amber); opacity:.45; z-index:-1; border-radius:6px;
  }
  .hero p.lead{font-size:18px; margin-top:22px; max-width:520px;}
  .hero-cta{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
  .btn-primary{
    background:var(--ink); color:#fff; padding:15px 28px; border-radius:100px;
    font-weight:700; font-size:15px; box-shadow:var(--shadow);
    transition:transform .2s ease, background .2s ease;
    display:inline-flex; align-items:center; gap:8px;
  }
  .btn-primary:hover{transform:translateY(-2px); background:var(--violet-deep);}
  .btn-ghost{
    border:2px solid var(--line); padding:13px 26px; border-radius:100px;
    font-weight:700; font-size:15px; color:var(--ink);
    transition:border-color .2s ease, background .2s ease;
  }
  .btn-ghost:hover{border-color:var(--violet); background:var(--violet-pale);}

  .hero-stats{display:flex; gap:34px; margin-top:48px; flex-wrap:wrap;}
  .hero-stats .stat b{
    font-family:'Baloo 2'; font-size:28px; color:var(--ink); display:block;
  }
  .hero-stats .stat span{font-size:13px; color:var(--ink-soft); font-weight:600;}

  /* fan of book covers */
  .fan{
    position:relative; height:520px;
  }
  .fan img{
    position:absolute; width:150px; border-radius:14px;
    box-shadow:0 24px 40px -14px rgba(37,26,71,0.45);
    border:5px solid #fff;
    transition:transform .35s cubic-bezier(.2,.8,.2,1);
  }
  .fan img:hover{transform:translateY(-14px) scale(1.04) !important; z-index:10;}
  .fan .c1{top:10px; left:70px; transform:rotate(-9deg); z-index:2;}
  .fan .c2{top:70px; left:230px; transform:rotate(6deg); z-index:3;}
  .fan .c3{top:0px; left:390px; transform:rotate(-4deg); z-index:1;}
  .fan .c4{top:210px; left:20px; transform:rotate(8deg); width:130px; z-index:4;}
  .fan .c5{top:250px; left:270px; transform:rotate(-11deg); width:140px; z-index:5;}
  .fan .badge{
    position:absolute; bottom:20px; right:10px; background:#fff; border-radius:16px;
    padding:14px 18px; box-shadow:var(--shadow); display:flex; align-items:center; gap:10px;
    z-index:6; transform:rotate(-2deg);
  }
  .fan .badge .ring{
    width:40px; height:40px; border-radius:50%;
    background:conic-gradient(var(--violet) 85%, var(--violet-pale) 0);
    display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:800; color:var(--violet-deep);
  }
  .fan .badge .ring i{background:#fff; width:30px; height:30px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-style:normal;}
  .fan .badge b{display:block; font-family:'Baloo 2'; font-size:14px;}
  .fan .badge span{font-size:11px; color:var(--ink-soft); font-weight:600;}

  /* ---------- MARQUEE STRIP ---------- */
  .strip{
    background:var(--ink); color:#fff; padding:14px 0; overflow:hidden; position:relative; z-index:1;
  }
  .strip .track{
    display:flex; gap:60px; white-space:nowrap; width:max-content;
    animation:scroll 28s linear infinite;
    font-family:'Baloo 2'; font-size:15px; font-weight:600; letter-spacing:.02em;
  }
  .strip .track span{opacity:.85;}
  .strip .track span.dim{color:var(--amber);}
  @keyframes scroll{ from{transform:translateX(0);} to{transform:translateX(-50%);} }

  /* ---------- SECTION SHARED ---------- */
  section{position:relative; z-index:1; padding:100px 0;}
  .kicker{
    color:var(--violet); font-weight:800; font-size:13px; letter-spacing:.12em;
    text-transform:uppercase; margin-bottom:14px; display:block;
  }
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head h2{font-size:clamp(28px,3.2vw,42px); line-height:1.15;}
  .section-head p{margin-top:16px; font-size:17px;}

  /* ---------- HOW IT WORKS ---------- */
  .steps{
    display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative;
  }
  .steps::before{
    content:""; position:absolute; top:34px; left:8%; right:8%; height:2px;
    background:repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 20px);
    z-index:0;
  }
  .step{position:relative; padding-right:20px;}
  .step .num{
    width:68px; height:68px; border-radius:50%; background:#fff; border:2px solid var(--ink);
    display:flex; align-items:center; justify-content:center; font-family:'Baloo 2'; font-size:22px;
    font-weight:800; margin-bottom:22px; position:relative; z-index:1;
  }
  .step:nth-child(1) .num{background:var(--violet); color:#fff; border-color:var(--violet);}
  .step:nth-child(2) .num{background:var(--amber); color:var(--ink); border-color:var(--amber);}
  .step:nth-child(3) .num{background:var(--coral); color:#fff; border-color:var(--coral);}
  .step:nth-child(4) .num{background:var(--sage); color:#fff; border-color:var(--sage);}
  .step h3{font-size:19px; margin-bottom:8px;}
  .step p{font-size:14.5px;}

  /* ---------- FEATURES ---------- */
  .feat-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:22px;
  }
  .feat-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius);
    padding:32px 28px; transition:transform .25s ease, box-shadow .25s ease;
  }
  .feat-card:hover{transform:translateY(-6px); box-shadow:var(--shadow);}
  .feat-card .ic{
    width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
    margin-bottom:20px;
  }
  .feat-card:nth-child(1) .ic{background:var(--violet-pale);}
  .feat-card:nth-child(2) .ic{background:#FDECD8;}
  .feat-card:nth-child(3) .ic{background:#FBE4E0;}
  .feat-card:nth-child(4) .ic{background:#E4F1E8;}
  .feat-card:nth-child(5) .ic{background:var(--violet-pale);}
  .feat-card h3{font-size:19px; margin-bottom:10px;}
  .feat-card p{font-size:14.5px;}
  .feat-card.big{
    grid-column:span 2; background:var(--ink); color:#fff; display:flex; flex-direction:column; justify-content:center;
  }
  .feat-card.big h3{color:#fff; font-size:24px; margin-bottom:12px;}
  .feat-card.big p{color:rgba(255,255,255,.75);}

  /* ---------- SHELF ---------- */
  .shelf-wrap{overflow:visible;}
  .shelf{
    display:flex; gap:26px; overflow-x:auto; padding:20px 4px 34px;
    scrollbar-width:thin;
  }
  .shelf::-webkit-scrollbar{height:8px;}
  .shelf::-webkit-scrollbar-thumb{background:var(--violet-pale); border-radius:10px;}
  .shelf-item{
    flex:0 0 auto; width:168px; text-align:center;
  }
  .shelf-item img{
    width:168px; height:auto; border-radius:12px; box-shadow:0 16px 30px -14px rgba(37,26,71,0.4);
    transition:transform .3s ease;
    border:4px solid #fff;
  }
  .shelf-item:nth-child(even) img{transform:rotate(2.5deg);}
  .shelf-item:nth-child(odd) img{transform:rotate(-2.5deg);}
  .shelf-item:hover img{transform:rotate(0) translateY(-8px) scale(1.03);}
  .shelf-item .cap{margin-top:12px; font-size:12.5px; font-weight:700; color:var(--ink-soft);}
  .shelf-board{
    height:16px; background:linear-gradient(180deg, var(--amber), #d98a1c);
    border-radius:0 0 8px 8px; margin-top:-4px;
    box-shadow:0 10px 18px -6px rgba(0,0,0,.25);
  }

  /* ---------- EXPERIENCE (student / teacher) ---------- */
  .exp{
    display:grid; grid-template-columns:1fr 1fr; gap:28px;
  }
  .exp-card{
    background:#fff; border-radius:28px; border:1px solid var(--line); padding:36px; overflow:hidden; position:relative;
  }
  .exp-card .tag{
    display:inline-block; padding:6px 14px; border-radius:100px; font-size:12px; font-weight:800;
    text-transform:uppercase; letter-spacing:.05em; margin-bottom:18px;
  }
  .exp-card.student .tag{background:var(--violet-pale); color:var(--violet-deep);}
  .exp-card.teacher .tag{background:#FDECD8; color:#8a5b18;}
  .exp-card h3{font-size:24px; margin-bottom:10px;}
  .exp-card p.desc{font-size:14.5px; margin-bottom:26px;}
  .mock{
    background:var(--paper-2); border-radius:18px; padding:20px; border:1px solid var(--line);
  }
  .mock-row{display:flex; justify-content:space-between; align-items:center; margin-bottom:14px;}
  .mock-row:last-child{margin-bottom:0;}
  .mock-label{font-size:13px; font-weight:700; color:var(--ink);}
  .bar-track{flex:1; height:8px; background:#e7e0f5; border-radius:6px; margin:0 12px; overflow:hidden;}
  .bar-fill{height:100%; border-radius:6px; background:var(--violet);}
  .exp-card.teacher .bar-fill{background:var(--coral);}
  .mock-pct{font-size:13px; font-weight:800; color:var(--ink-soft); width:38px; text-align:right;}
  .badges{display:flex; gap:10px; margin-top:18px; flex-wrap:wrap;}
  .badges span{
    background:#fff; border:1px solid var(--line); border-radius:100px; padding:7px 13px;
    font-size:12px; font-weight:700; color:var(--ink-soft);
  }

  /* ---------- PACKAGES ---------- */
  .pack-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px;}
  .pack{
    border:2px solid var(--line); border-radius:20px; padding:28px 22px; background:#fff;
    transition:transform .25s ease, border-color .25s ease;
  }
  .pack:hover{transform:translateY(-6px);}
  .pack.rec{border-color:var(--violet); background:var(--violet); color:#fff; position:relative;}
  .pack.rec::before{
    content:"En çok tercih edilen"; position:absolute; top:-14px; left:50%; transform:translateX(-50%);
    background:var(--amber); color:var(--ink); font-size:11px; font-weight:800; padding:6px 14px; border-radius:100px;
    white-space:nowrap;
  }
  .pack .n{font-family:'Baloo 2'; font-size:38px; font-weight:800;}
  .pack .n span{font-size:15px; font-weight:700; margin-left:4px;}
  .pack ul{list-style:none; padding:0; margin:20px 0 0; font-size:13.5px;}
  .pack ul li{padding:7px 0; border-top:1px solid rgba(0,0,0,.06); display:flex; gap:8px;}
  .pack.rec ul li{border-top:1px solid rgba(255,255,255,.18); color:rgba(255,255,255,.9);}
  .pack:not(.rec) p{color:var(--ink-soft); font-size:13.5px; margin-top:4px;}
  .pack.rec p{color:rgba(255,255,255,.85); font-size:13.5px; margin-top:4px;}

  /* ---------- WHO FOR ---------- */
  .who-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
  .who-card{
    padding:30px; border-radius:20px; background:var(--violet-pale);
  }
  .who-card:nth-child(2){background:#FDECD8;}
  .who-card:nth-child(3){background:#E4F1E8;}
  .who-card h3{font-size:19px; margin-bottom:10px;}
  .who-card p{font-size:14px;}

  /* ---------- CTA ---------- */
  .cta-final{
    background:var(--ink); border-radius:32px; padding:70px 60px; text-align:center; position:relative; overflow:hidden;
  }
  .cta-final::before{
    content:""; position:absolute; width:400px; height:400px; background:var(--violet); opacity:.5; border-radius:50%;
    filter:blur(90px); top:-150px; left:-100px;
  }
  .cta-final::after{
    content:""; position:absolute; width:300px; height:300px; background:var(--coral); opacity:.35; border-radius:50%;
    filter:blur(90px); bottom:-120px; right:-80px;
  }
  .cta-final *{position:relative; z-index:1;}
  .cta-final h2{color:#fff; font-size:clamp(28px,4vw,44px); max-width:640px; margin:0 auto;}
  .cta-final p{color:rgba(255,255,255,.7); max-width:520px; margin:18px auto 34px; font-size:16px;}
  .cta-final .hero-cta{justify-content:center;}
  .cta-final .btn-primary{background:#fff; color:var(--ink);}
  .cta-final .btn-primary:hover{background:var(--amber);}
  .cta-final .btn-ghost{border-color:rgba(255,255,255,.3); color:#fff;}
  .cta-final .btn-ghost:hover{background:rgba(255,255,255,.1); border-color:#fff;}

  footer{padding:40px 0 60px; text-align:center;}
  footer .brand{justify-content:center; margin-bottom:14px;}
  footer p{font-size:13px;}
  footer a.site{color:var(--violet); font-weight:700;}

  /* ---------- reveal ---------- */
  .reveal{opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}

  @media (prefers-reduced-motion: reduce){
    .strip .track{animation:none;}
    .reveal{opacity:1; transform:none;}
  }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:960px){
    .nav-links{display:none;}
    .nav > .nav-cta{display:none;}
    .burger{display:flex;}
    nav{padding:14px 20px;}
    .wrap{padding:0 20px;}
    section{padding:70px 0;}
    .hero{padding:44px 0 40px;}
    .hero-grid{grid-template-columns:1fr; gap:44px;}
    .hero h1{font-size:clamp(32px,8vw,44px);}
    .hero p.lead{font-size:16px;}
    .fan{height:auto; display:flex; gap:14px; overflow-x:auto; padding:6px 2px 26px; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch;}
    .fan img{position:static !important; transform:none !important; width:150px !important; flex:0 0 auto; scroll-snap-align:start;}
    .fan img:hover{transform:none !important;}
    .fan .badge{position:static; transform:none; flex:0 0 auto; width:150px; height:150px; flex-direction:column; justify-content:center; text-align:center; scroll-snap-align:start;}
    .hero-stats{gap:20px 28px;}
    .hero-stats .stat b{font-size:24px;}
    .hero-cta{width:100%;}
    .hero-cta a{flex:1; justify-content:center; text-align:center;}
    .section-head{margin-bottom:38px;}
    .steps{grid-template-columns:1fr 1fr; row-gap:36px; column-gap:20px;}
    .steps::before{display:none;}
    .step{padding-right:0;}
    .feat-grid{grid-template-columns:1fr 1fr; gap:16px;}
    .feat-card{padding:24px 20px;}
    .feat-card.big{grid-column:span 2;}
    .exp{grid-template-columns:1fr; gap:20px;}
    .exp-card{padding:26px;}
    .pack-grid{grid-template-columns:1fr 1fr; gap:14px;}
    .pack{padding:22px 18px;}
    .pack.rec::before{font-size:10px; padding:5px 10px;}
    .who-grid{grid-template-columns:1fr; gap:16px;}
    .cta-final{padding:50px 26px; border-radius:24px;}
    .shelf-item{width:140px;}
    .shelf-item img{width:140px;}
  }
  @media (max-width:600px){
    .wrap{padding:0 18px;}
    nav{padding:12px 18px;}
    .brand img{height:40px;}
    section{padding:56px 0;}
    .hero h1{font-size:32px;}
    .eyebrow{font-size:12px; padding:7px 14px;}
    .hero-cta{flex-direction:column;}
    .hero-stats{gap:16px 26px;}
    .strip .track{font-size:13px; gap:36px;}
    .steps{grid-template-columns:1fr; row-gap:28px;}
    .feat-grid{grid-template-columns:1fr;}
    .feat-card.big{grid-column:span 1;}
    .pack-grid{grid-template-columns:1fr 1fr;}
    .pack .n{font-size:30px;}
    .pack ul{font-size:12.5px;}
    .mock-label{font-size:12px;}
    .cta-final h2{font-size:26px;}
    .cta-final{padding:40px 20px;}
    .shelf-item{width:120px;}
    .shelf-item img{width:120px;}
  }
  @media (max-width:380px){
    .pack-grid{grid-template-columns:1fr;}
  }