/* tekirdagmatematik.com — mobil öncelikli. Tema: matematik kitabı dizgisi + canlı renk bantları ve anlamlı animasyonlar */
@font-face{font-family:"STIX";src:url(/assets/fonts/stix-latin.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"STIX";src:url(/assets/fonts/stix-tr.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap;unicode-range:U+011E-011F,U+0130,U+015E-015F,U+20BA}
@font-face{font-family:"STIX";src:url(/assets/fonts/stix-latin-italic.woff2) format("woff2");font-weight:400 700;font-style:italic;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"STIX";src:url(/assets/fonts/stix-tr-italic.woff2) format("woff2");font-weight:400 700;font-style:italic;font-display:swap;unicode-range:U+011E-011F,U+0130,U+015E-015F,U+20BA}

@font-face{font-family:"Jakarta";src:url(/assets/fonts/jakarta-latin.woff2) format("woff2");font-weight:200 800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jakarta";src:url(/assets/fonts/jakarta-tr.woff2) format("woff2");font-weight:200 800;font-display:swap;unicode-range:U+011E-011F,U+0130,U+015E-015F,U+20BA}
:root{
  --paper:#f6f4ee; --paper-2:#ece8dd; --sheet:#fffefa;
  --ink:#14161b; --ink-2:#3a3e47; --muted:#686c76;
  --rule:#d6d0c2; --rule-2:#e6e1d5;
  --blue:#2340e8; --blue-d:#1a31bd; --blue-soft:#e4e9ff;
  --accent:#d13a2a; --accent-soft:#f8e2de;
  --wa:#1e9a55; --wa-d:#177a43;
  --math:"STIX","STIX Two Text",Georgia,"Times New Roman",serif;
  --serif:"Jakarta",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --sans:"Jakarta",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --mbar:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16.5px/1.65 var(--serif);font-variant-numeric:lining-nums;padding-bottom:calc(var(--mbar) + env(safe-area-inset-bottom));overflow-x:hidden;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
img,svg{display:block;max-width:100%}
a{color:var(--ink);text-decoration-color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--blue)}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.1;letter-spacing:-.012em;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;position:relative}
.i{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px}
.btn,.over,.sh-n,.crumb,.top,.mbar,.fab-wa,.tform,.foot-h,.place-k,.sub-k,.card-k,.closing-k,.ex-tabs,.ex-h span,.hero-meta,.lv-go,.more-link,.toc h3,.more-list span,.legal-date,.exn-k,.exn-t small,.exams-h,.exams-not{font-family:var(--sans)}

/* Butonlar */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:50px;padding:.7em 1.3em;border-radius:10px;font-weight:600;font-size:1rem;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s var(--ease),box-shadow .25s;white-space:nowrap;line-height:1.1;overflow:hidden}
.btn:hover{color:inherit}
.btn:active{transform:scale(.97)}
.btn-lg{min-height:56px;font-size:1.04rem;padding:.8em 1.5em}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 10px 24px -14px rgba(30,154,85,.9)}
.btn-wa:hover{background:var(--wa-d);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(30,154,85,.9)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn .i{width:1.25em;height:1.25em;transition:transform .3s var(--ease)}
.btn-wa:hover .i,.btn-ink:hover .i{animation:salla .5s ease}
@keyframes salla{25%{transform:rotate(-14deg)}60%{transform:rotate(10deg)}}
/* ışık süpürmesi */
.btn-wa::after,.btn-ink::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);transform:skewX(-18deg);pointer-events:none}
.btn-wa:hover::after,.btn-ink:hover::after{animation:supur .7s ease}
.hero .btn-wa::after{animation:supur 1s 2.4s ease}
@keyframes supur{to{left:130%}}
.cta-row{display:flex;flex-direction:column;gap:10px}
.cta-row .btn{width:100%}
.txt-link{display:inline-flex;align-items:center;gap:.45em;font-family:var(--sans);font-weight:600;font-size:.98rem;text-decoration:none}

/* Üst bar + okuma ilerlemesi */
.top{position:sticky;top:0;z-index:50;background:rgba(246,244,238,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.top.scrolled{border-bottom-color:var(--rule)}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--accent));transform-origin:0 50%;transform:scaleX(var(--p,0))}
.top-in{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);margin-right:auto;min-width:0}
.brand:hover{color:var(--ink)}
.logo-mark{width:36px;height:36px;flex:none;color:var(--ink);transition:transform .4s var(--ease)}
.brand:hover .logo-mark{transform:rotate(-8deg) scale(1.06)}
.brand-t{display:flex;flex-direction:column;line-height:1;min-width:0}
.brand-t b{font-family:var(--serif);font-size:1.22rem;font-weight:600;letter-spacing:-.01em}
.brand-t small{font-family:var(--sans);font-size:.72rem;color:var(--muted);margin-top:5px;white-space:nowrap;letter-spacing:.02em}
.nav,.top-cta,.top-call{display:none}
.menu-btn{width:44px;height:44px;border:1px solid var(--rule);border-radius:10px;background:var(--sheet);display:grid;place-content:center;gap:6px;cursor:pointer;padding:0}
.menu-btn span{display:block;width:20px;height:1.6px;background:var(--ink);transition:transform .3s var(--ease)}
.menu-btn[aria-expanded=true] span:first-child{transform:translateY(3.8px) rotate(45deg)}
.menu-btn[aria-expanded=true] span:last-child{transform:translateY(-3.8px) rotate(-45deg)}
.mnav{border-top:1px solid var(--rule);background:var(--paper);padding:6px 0 22px;max-height:calc(100dvh - 64px);overflow:auto}
.mnav nav{display:flex;flex-direction:column}
.mnav nav a{display:flex;align-items:center;min-height:54px;font-family:var(--serif);font-size:1.32rem;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule-2)}
.mnav nav a[aria-current]{color:var(--blue)}
.js .mnav:not([hidden]) nav a{animation:menuGel .45s var(--ease) both}
.mnav nav a:nth-child(2){animation-delay:.03s}.mnav nav a:nth-child(3){animation-delay:.06s}.mnav nav a:nth-child(4){animation-delay:.09s}.mnav nav a:nth-child(5){animation-delay:.12s}.mnav nav a:nth-child(6){animation-delay:.15s}.mnav nav a:nth-child(7){animation-delay:.18s}.mnav nav a:nth-child(8){animation-delay:.21s}.mnav nav a:nth-child(n+9){animation-delay:.24s}
@keyframes menuGel{from{opacity:0;transform:translateX(-14px)}}
.mnav-cta{display:grid;gap:10px;margin-top:20px}

/* Süzülen semboller */
.sym{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.sym span{position:absolute;left:var(--x);top:var(--y);font-family:var(--serif);font-style:italic;font-size:calc(var(--s) * .72);line-height:1;color:var(--ink);opacity:.06;transform:rotate(var(--r));animation:suz 14s var(--d) ease-in-out infinite alternate;will-change:transform}
.sym span:nth-child(n+6){display:none}
@keyframes suz{to{transform:translate3d(0,-26px,0) rotate(calc(var(--r) * -1))}}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--rule)}
.hero-in{position:relative;z-index:1;display:grid;gap:40px;padding-top:30px;padding-bottom:52px}
.over{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.hero h1{font-size:clamp(2.35rem,10vw,4.5rem);font-weight:500;line-height:1.04;letter-spacing:-.025em;margin-bottom:20px;text-wrap:balance}
.hero h1 em{position:relative;font-style:italic;color:var(--blue);white-space:nowrap}
.swash{position:absolute;left:-2%;bottom:-.16em;width:104%;height:.3em;overflow:visible}
.swash path{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:0}
.js .swash path{stroke-dashoffset:1;animation:ciz .9s 1s var(--ease) forwards}
.h1-yer{display:block;font-family:var(--sans);font-size:clamp(.82rem,3.4vw,.95rem);font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:14px}
/* kelime kelime belirme */
.w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .06em .14em 0;margin:0 -.06em -.14em 0}
.w>span{display:inline-block;transform:translateY(110%);animation:kelime .8s calc(var(--i) * 55ms + 80ms) var(--ease) forwards}
@keyframes kelime{to{transform:none}}
.lede{font-size:1.12rem;color:var(--ink-2);max-width:34em}
.motto{font-style:italic;font-size:1.28rem;color:var(--ink);margin:4px 0 26px;padding-left:16px;border-left:2px solid var(--accent)}
.hero-meta{font-size:.9rem;color:var(--muted);margin:18px 0 0}
.hero-meta a{font-weight:600;color:var(--ink);text-decoration:none;white-space:nowrap}
.js .hero-txt>:not(h1):not(.crumb){opacity:0;transform:translateY(12px);animation:yukari .8s var(--ease) forwards}
.js .hero-txt>.over{animation-delay:.05s}.js .hero-txt>.lede{animation-delay:.45s}.js .hero-txt>.motto{animation-delay:.6s}.js .hero-txt>.cta-row{animation-delay:.75s}.js .hero-txt>.hero-meta{animation-delay:.9s}
@keyframes yukari{to{opacity:1;transform:none}}

/* Koordinat düzlemi (giriş arka planı) */
.hero-txt{position:relative;z-index:1}
.hero-vis{position:relative;display:grid;justify-items:center}
.plane{position:relative;z-index:0;width:100%;max-width:460px;margin:0 0 -96px;pointer-events:none}
.pl-grid{fill:none;stroke:var(--rule);stroke-width:1}
.pl-axis,.pl-arrow{fill:none;stroke:var(--ink-2);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pl-target{fill:none;stroke:var(--accent);stroke-width:1.6;stroke-dasharray:6 7}
.pl-curve{fill:none;stroke:var(--blue);stroke-width:3.2;stroke-linecap:round}
.pl-dots circle{fill:var(--sheet);stroke:var(--blue);stroke-width:2}
.pl-dot{fill:var(--accent);stroke:var(--sheet);stroke-width:3}
.pl-lbl{font-family:var(--serif);font-style:italic;font-size:16px;fill:var(--ink-2)}
.pl-hedef{fill:var(--accent);font-size:17px}
.js .pl-grid{opacity:0;transition:opacity 1.2s}
.js .pl-axis{stroke-dasharray:1;stroke-dashoffset:1}
.js .pl-arrow,.js .pl-lbl,.js .pl-dot{opacity:0;transition:opacity .5s}
.js .pl-curve{stroke-dasharray:1;stroke-dashoffset:1}
.js .pl-target{opacity:0;transition:opacity .8s}
.plane.on .pl-grid{opacity:1}
.plane.on .pl-axis{animation:ciz .9s .2s var(--ease) forwards}
.plane.on .pl-arrow,.plane.on .pl-lbl{opacity:1;transition-delay:.9s}
.plane.on .pl-target{opacity:1;transition-delay:1s}
.plane.on .pl-curve{animation:ciz 1.8s 1.1s var(--ease) forwards}
.plane.on .pl-dot{opacity:1;transition-delay:2.6s}
.pl-dots circle{transform-box:fill-box;transform-origin:center;transform:scale(0);transition:transform .45s var(--ease)}
.pl-dots circle.on{transform:scale(1)}
@keyframes ciz{to{stroke-dashoffset:0}}

/* Örnek kutusu (kitap sayfası) */
.ex{position:relative;z-index:1;margin:0;width:100%;max-width:500px;justify-self:center}
.ex-tabs{position:relative;display:flex;gap:22px;border-bottom:1px solid var(--rule);margin-bottom:-1px;padding:10px 14px 0;background:rgba(255,254,250,.86);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.ex-tabs button{position:relative;border:0;background:none;padding:10px 0 12px;font-size:.82rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);cursor:pointer;min-height:44px}
.ex-tabs button::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--rule);transform:scaleX(0)}
.ex-tabs button[aria-selected=true]{color:var(--ink)}
.ex-tabs button[aria-selected=true]::after{background:var(--blue);transform:scaleX(1);transform-origin:0 50%}
.ex.auto .ex-tabs button[aria-selected=true]::after{animation:sure var(--sure,6s) linear}
@keyframes sure{from{transform:scaleX(0)}}
.ex-sheet{position:relative;background:var(--sheet);border:1px solid var(--rule);border-top:0;padding:24px 22px 26px;min-height:286px;box-shadow:0 30px 60px -38px rgba(20,22,27,.45)}
.ex-h{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin-bottom:8px}
.ex-h b{font-weight:700;font-size:1.08rem}
.ex-h span{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ex-q{font-size:1.24rem;line-height:1.45;margin-bottom:16px}
.ex-c{margin-bottom:6px}
.ex-c b{font-style:italic;font-weight:700}
.ex-s{font-size:1.14rem;margin:0 0 6px;padding-left:18px;position:relative;font-variant-numeric:lining-nums tabular-nums}
.ex-s::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:1px;background:var(--ink-2)}
.ex-a{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--rule-2);font-size:1.24rem}
.ex-a span{font-weight:600;color:var(--blue);background:linear-gradient(var(--accent),var(--accent)) left bottom/100% 2px no-repeat;padding-bottom:2px}
.qed{display:inline-block;width:.62em;height:.62em;background:var(--accent);flex:none}
.ex figcaption{font-size:.95rem;font-style:italic;color:var(--muted);margin:14px 2px 0}
.js .ex-set.on .ex-c,.js .ex-set.on .ex-s,.js .ex-set.on .ex-a{opacity:0;transform:translateY(6px);animation:satir .5s calc(var(--d)*.65s) var(--ease) forwards}
.js .ex-set.on .ex-a span{background-size:0 2px;animation:cizgi .6s calc(var(--d)*.65s + .35s) ease forwards}
.js .ex-set.on .qed{opacity:0;transform:scale(0) rotate(45deg);animation:qed .5s calc(var(--d)*.65s + .8s) var(--ease) forwards}
@keyframes satir{to{opacity:1;transform:none}}
@keyframes cizgi{to{background-size:100% 2px}}
@keyframes qed{to{opacity:1;transform:none}}

/* Kayan konu şeridi */
.ticker{background:var(--ink);color:#f3f0e8;padding:16px 0;overflow:hidden;display:grid;gap:6px}
.tk-row{overflow:hidden;white-space:nowrap;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.tk-track{display:inline-flex;align-items:baseline;gap:18px;padding-right:18px;animation:kay 46s linear infinite;will-change:transform}
.tk-rev .tk-track{animation-direction:reverse;animation-duration:52s}
.tk-track span{font-style:italic;font-size:1.25rem}
.tk-rev .tk-track span{color:rgba(243,240,232,.6);font-size:1.05rem}
.tk-track i{font-style:normal;color:var(--accent);font-size:1.15rem}
.tk-track i:nth-of-type(2n){color:#8fa2ff}
.ticker:hover .tk-track{animation-play-state:paused}
@keyframes kay{to{transform:translateX(-50%)}}

/* Bölüm başlıkları (§) */
.sec{padding:64px 0;border-bottom:1px solid var(--rule)}
.sh{position:relative;max-width:760px;margin-bottom:32px}
.sh-n{display:flex;align-items:baseline;gap:10px;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.sh-n span{font-family:var(--serif);font-size:1.05rem;letter-spacing:0;text-transform:none;color:var(--accent);font-weight:600}
.sh h2{font-size:clamp(1.9rem,7vw,3rem);text-wrap:balance}
.sh-p{margin:14px 0 0;color:var(--ink-2);font-size:1.06rem}
.sh-p b{font-weight:600;color:var(--blue)}
.js .sh.rv .sh-n span{display:inline-block;transform:translateY(8px);opacity:0;transition:transform .6s .1s var(--ease),opacity .6s .1s}
.js .sh.rv.in .sh-n span{transform:none;opacity:1}

/* Kademeler */
.lv-list{border-top:1px solid var(--ink)}
.lv{position:relative;display:grid;grid-template-columns:auto 1fr;gap:6px 20px;padding:24px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--ink);isolation:isolate}
.lv::before{content:"";position:absolute;inset:0 -20px;background:var(--blue);transform:scaleY(0);transform-origin:50% 100%;transition:transform .45s var(--ease);z-index:-1}
.lv:hover,.lv:focus-visible{color:#fff}
.lv:hover::before,.lv:focus-visible::before{transform:scaleY(1)}
.lv-n{grid-row:1/3;font-family:var(--serif);font-size:2.5rem;font-weight:500;line-height:1;letter-spacing:-.02em;min-width:2.3em;transition:transform .45s var(--ease)}
.lv:hover .lv-n{transform:translateX(6px)}
.lv-t b{display:block;font-size:1.45rem;font-weight:600;line-height:1.2;margin-bottom:6px}
.lv-t span{display:block;color:var(--ink-2);font-size:1.02rem;transition:color .3s}
.lv:hover .lv-t span{color:rgba(255,255,255,.85)}
.lv-go{grid-column:2;display:inline-flex;align-items:center;gap:.45em;font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-top:8px;transition:color .3s}
.lv:hover .lv-go{color:#fff}
.lv-go .i{transition:transform .3s var(--ease)}
.lv:hover .lv-go .i{transform:translateX(5px)}
.js .lv-list li.rv .lv-n{clip-path:inset(0 0 100% 0);transition:clip-path .9s .15s var(--ease),transform .45s var(--ease)}
.js .lv-list li.rv.in .lv-n{clip-path:inset(-10% -10% -10% -10%)}

/* Sınav sayıları bandı */
.exams{background:var(--paper-2);padding:56px 0;border-bottom:1px solid var(--rule)}
.exams-h{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.exams-grid{display:grid;gap:12px}
.exn{position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:18px;align-items:end;padding:20px 22px;background:var(--sheet);border:1px solid var(--rule);text-decoration:none;color:var(--ink);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.exn::after{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:0 50%;transition:transform .6s var(--ease)}
.exn.in::after{transform:scaleX(1);transition-delay:.4s}
.exn:hover{transform:translateY(-4px);box-shadow:0 22px 40px -28px rgba(20,22,27,.5);color:var(--ink);border-color:transparent}
.exn-k{grid-column:1/3;font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:4px}
.exn-n{font-family:var(--serif);font-size:4.2rem;line-height:.9;font-weight:500;letter-spacing:-.03em;color:var(--blue);font-variant-numeric:tabular-nums lining-nums;min-width:1.25em}
.exn-t{font-size:1.15rem;line-height:1.25;padding-bottom:6px}
.exn-t small{display:block;font-size:.8rem;color:var(--muted);margin-top:6px;line-height:1.35}
.exams-not{font-size:.78rem;color:var(--muted);margin:16px 0 0}

/* Önerme / denklem bandı */
.statement{position:relative;background:var(--ink);color:#f3f0e8;padding:68px 0;overflow:hidden}
.statement::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 calc(100% - 1px),rgba(255,255,255,.05) 0) 0 0/40px 40px,linear-gradient(0deg,transparent 0 calc(100% - 1px),rgba(255,255,255,.05) 0) 0 0/40px 40px;-webkit-mask-image:radial-gradient(ellipse at 70% 50%,#000,transparent 75%);mask-image:radial-gradient(ellipse at 70% 50%,#000,transparent 75%)}
.st-in{position:relative}
.st-eq{position:relative;font-size:clamp(1.7rem,6.6vw,3.3rem);line-height:1.3;letter-spacing:-.01em;margin:0 0 22px;padding-right:2.6em}
.st-eq .t{font-style:italic}
.st-eq .op{color:#8fa2ff;font-style:normal}
.st-eq b{font-weight:600;color:#fff;font-style:normal;background:linear-gradient(var(--accent),var(--accent)) left 94%/100% .09em no-repeat}
.st-no{position:absolute;right:0;bottom:.15em;font-size:.55em;color:rgba(243,240,232,.5)}
.st-sub{max-width:38em;color:rgba(243,240,232,.72);font-size:1.06rem;margin:0}
.js .st-in.rv{opacity:1;transform:none}
.js .st-in .t,.js .st-in .op{display:inline-block;opacity:0;transform:translateY(.5em);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .st-in .op{transform:scale(.3)}
.js .st-in.in .t,.js .st-in.in .op{opacity:1;transform:none}
.st-in .t:nth-of-type(1){transition-delay:.05s}.st-in .op:nth-of-type(1){transition-delay:.3s}.st-in .t:nth-of-type(2){transition-delay:.45s}.st-in .op:nth-of-type(2){transition-delay:.7s}.st-in .t:nth-of-type(3){transition-delay:.85s}.st-in .op:nth-of-type(3){transition-delay:1.1s}
.js .st-in b.t{background-size:0 .09em;transition:opacity .6s 1.3s,transform .6s 1.3s var(--ease),background-size .7s 1.8s var(--ease)}
.js .st-in.in b.t{background-size:100% .09em}

/* Adımlar */
.step-list{position:relative;display:grid;gap:0;border-top:1px solid var(--ink)}
.step{position:relative;display:grid;grid-template-columns:52px 1fr;column-gap:14px;padding:22px 0;border-bottom:1px solid var(--rule)}
.step-n{grid-row:1/3;position:relative;z-index:1;width:40px;height:40px;border-radius:50%;border:1.5px solid var(--rule);background:var(--paper);display:grid;place-items:center;font-size:1.05rem;font-weight:600;color:var(--accent);font-style:italic;line-height:1;transition:background .4s,border-color .4s,color .4s}
.step.on .step-n{background:var(--blue);border-color:var(--blue);color:#fff}
.step-list::before{content:"";position:absolute;left:19.5px;top:42px;bottom:42px;width:1.5px;background:var(--rule)}
.step-list::after{content:"";position:absolute;left:19.5px;top:42px;width:1.5px;height:calc((100% - 84px) * var(--p,0));background:var(--blue)}
.step h3{font-size:1.32rem;font-weight:600;margin:6px 0 6px}
.step p{color:var(--ink-2);margin:0}

/* Ders yerleri */
.places{background:var(--paper-2)}
.place-grid{display:grid;gap:12px}
.place{position:relative;padding:24px 22px;background:var(--sheet);border:1px solid var(--rule);transition:transform .35s var(--ease),box-shadow .35s}
.place:hover{transform:translateY(-4px);box-shadow:0 24px 44px -30px rgba(20,22,27,.45)}
.place-ic{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--blue-soft);color:var(--blue);margin-bottom:14px}
.place-ic .i{width:26px;height:26px;stroke-width:1.6}
.js .rv .i-draw{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.4s .3s var(--ease)}
.js .rv.in .i-draw{stroke-dashoffset:0}
.place:hover .place-ic{animation:zipla .6s var(--ease)}
@keyframes zipla{40%{transform:translateY(-6px) rotate(-6deg)}}
.place-k{font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.place h3{font-size:1.5rem;font-weight:600;margin-bottom:8px}
.place p{color:var(--ink-2);margin-bottom:10px}
.more-link{display:inline-flex;align-items:center;gap:.45em;font-size:.84rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--ink)}
.more-link .i{color:var(--accent);transition:transform .3s var(--ease)}
.more-link:hover .i{transform:translateX(4px)}

/* Öğretmen */
.about-in{display:grid;gap:36px}
.about-in .card{order:2}
.card{position:relative;background:var(--sheet);border:1px solid var(--rule);padding:28px 26px 26px;max-width:420px;box-shadow:0 30px 60px -42px rgba(20,22,27,.5);transition:transform .2s ease-out}
.card::after{content:"";position:absolute;right:22px;top:22px;width:14px;height:14px;background:var(--accent);animation:don 9s linear infinite}
@keyframes don{to{transform:rotate(360deg)}}
.card-k{font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:22px}
.card-n{font-size:2.3rem;line-height:1.05;letter-spacing:-.02em;margin-bottom:10px}
.card-r{color:var(--ink-2);font-style:italic;margin-bottom:24px}
.card-t{font-family:var(--sans);font-weight:600;font-size:1.05rem;text-decoration:none;border-top:1px solid var(--rule);display:block;padding-top:14px;letter-spacing:.02em}
.about-txt .sh{margin-bottom:20px}
.about-txt p{color:var(--ink-2)}
.about-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:24px}

/* SSS */
.faq-list{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding:16px 0;font-size:1.18rem;font-weight:500;cursor:pointer;transition:color .2s}
.faq summary:hover{color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{position:relative;width:28px;height:28px;flex:none;border-radius:50%;border:1px solid var(--rule);transition:background .3s,border-color .3s,transform .4s var(--ease)}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:8px;top:12.5px;width:11px;height:1.5px;background:var(--accent);transition:transform .35s var(--ease),background .3s}
.faq summary i::after{transform:rotate(90deg)}
.faq details[open] summary i{background:var(--blue);border-color:var(--blue);transform:rotate(180deg)}
.faq details[open] summary i::before,.faq details[open] summary i::after{background:#fff}
.faq details[open] summary i::after{transform:rotate(0)}
.faq .ans{overflow:hidden}
.faq .ans p{color:var(--ink-2);margin:0 0 20px;max-width:44em}

/* Form */
.form-sec{background:var(--paper-2)}
.form-in{display:grid;gap:30px}
.form-side .sh{margin-bottom:16px}
.form-fast{color:var(--ink-2);font-size:1rem}
.form-fast a{font-weight:600}
.form-card{background:var(--sheet);border:1px solid var(--rule);padding:22px 18px 24px;box-shadow:0 30px 60px -44px rgba(20,22,27,.4)}
.tform{font-size:1rem}
.tform-grid{display:grid;gap:16px}
.fld{display:flex;flex-direction:column;gap:6px;min-width:0;border:0;margin:0;padding:0}
.fld label,.fld legend{font-weight:600;font-size:.9rem;padding:0;color:var(--ink);transition:color .2s}
.fld:focus-within>label{color:var(--blue)}
.fld label small{font-weight:400;color:var(--muted)}
.fld input,.fld select,.fld textarea{width:100%;min-height:52px;border:1px solid #c9c3b5;border-radius:8px;background:#fff;padding:12px 14px;font-size:16px;transition:border-color .2s,box-shadow .25s;-webkit-appearance:none;appearance:none}
.fld input[type=date]{display:block;min-width:0;line-height:1.5}
.fld input::-webkit-date-and-time-value{text-align:left}
.fld textarea{min-height:96px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}
.fld .bad,.fld .bad:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);animation:titre .35s}
@keyframes titre{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.sel{position:relative}
.sel select{padding-right:44px}
.sel .i{position:absolute;right:14px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--muted)}
.chips{flex-direction:row;flex-wrap:wrap;gap:8px}
.chips legend{width:100%;margin-bottom:6px}
.chips label{position:relative;cursor:pointer}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:8px;border:1px solid #c9c3b5;background:#fff;font-weight:500;font-size:.94rem;transition:background .2s,color .2s,border-color .2s,transform .2s var(--ease)}
.chips input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff;transform:scale(1.03)}
.chips input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.kvkk{display:flex;gap:12px;align-items:flex-start;font-size:.86rem;color:var(--ink-2);line-height:1.5;cursor:pointer}
.kvkk input{flex:none;width:22px;height:22px;margin:1px 0 0;accent-color:var(--blue)}
.kvkk.bad span{color:var(--accent)}
.tform-err{color:var(--accent);font-weight:600;margin:14px 0 0}
.tform-btn{width:100%;margin-top:18px}
.tform-btn[disabled]{opacity:.6;cursor:wait}
.tform-alt{text-align:center;font-size:.9rem;color:var(--muted);margin:14px 0 0}
.tform-alt a{font-weight:600}
.tform-ok{text-align:center;padding:12px 4px}
.tform-ok:focus{outline:0}
.ok-mark{display:block;width:64px;margin:0 auto 14px}
.ok-mark svg{fill:none;stroke:var(--wa);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.ok-mark circle{stroke-dasharray:150;stroke-dashoffset:150;animation:okciz .6s forwards}
.ok-mark path{stroke-dasharray:40;stroke-dashoffset:40;animation:okciz .4s .5s forwards}
@keyframes okciz{to{stroke-dashoffset:0}}
.tform-ok h3{font-size:1.7rem;margin-bottom:10px}
.tform-ok p{color:var(--ink-2)}
.ok-wa{width:100%}

/* Kapanış */
.closing{position:relative;background:var(--blue);color:#fff;text-align:center;padding:72px 0;overflow:hidden}
.closing .sym span{color:#fff;opacity:.1}
.closing-in{position:relative;z-index:1;max-width:760px}
.closing-k{font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#cdd6ff;margin-bottom:14px}
.closing h2{font-size:clamp(2rem,7.4vw,3.2rem);text-wrap:balance}
.closing p:not(.closing-k){font-size:1.08rem;color:rgba(255,255,255,.82);margin:16px auto 26px;max-width:32em}
.cta-center{align-items:center}
.closing .btn-ink{background:#fff;color:var(--ink)}
.closing .btn-ink:hover{background:var(--ink);color:#fff}
.closing .btn-ink::after{background:linear-gradient(100deg,transparent,rgba(35,64,232,.18),transparent)}
.closing-form{display:inline-flex;align-items:center;gap:.4em;margin-top:18px;font-family:var(--sans);font-size:.95rem;font-weight:600;color:#fff;text-decoration-color:#fff}
.closing-form:hover{color:#fff}
.closing-form .i{transition:transform .3s var(--ease)}
.closing-form:hover .i{transform:translateX(4px)}

/* Alt sayfalar */
.hero-sub .hero-in{padding-bottom:48px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:.84rem;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--blue)}
.hero-sub h1{font-size:clamp(2.2rem,9.4vw,4rem)}
.sub-card{position:relative;background:var(--sheet);border:1px solid var(--rule);padding:24px 24px 22px;align-self:start;overflow:hidden}
.sub-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--blue);transform-origin:0 50%;animation:serit 1s .5s var(--ease) both}
@keyframes serit{from{transform:scaleX(0)}}
.sub-k{font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.sub-big{font-size:clamp(2.2rem,10vw,3rem);line-height:1.05;letter-spacing:-.02em;margin-bottom:16px;color:var(--blue)}
.sub-card ul{border-top:1px solid var(--rule)}
.sub-card li{padding:10px 0 10px 22px;border-bottom:1px solid var(--rule-2);position:relative;color:var(--ink-2)}
.sub-card li::before{content:"";position:absolute;left:2px;top:1.05em;width:8px;height:8px;background:var(--accent)}
.toc{margin-top:8px}
.toc+.toc{margin-top:34px}
.toc h3{font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.toc-list{border-top:1px solid var(--ink)}
.toc-list li{display:flex;gap:14px;align-items:baseline;padding:11px 0;border-bottom:1px solid var(--rule-2);font-size:1.08rem;break-inside:avoid;transition:padding .3s var(--ease),color .3s}
.toc-list li:hover{padding-left:8px;color:var(--blue)}
.toc-n{min-width:2.4em;color:var(--muted);font-size:.95rem;font-variant-numeric:tabular-nums}
.deep{background:var(--sheet)}
.deep-in{display:grid;gap:8px}
.deep-txt p{color:var(--ink-2);font-size:1.12rem;max-width:36em}
.deep-txt p:first-child::first-letter{float:left;font-size:3.3em;line-height:.82;margin:.06em .1em 0 0;color:var(--blue);font-weight:500}
.signs-in{max-width:900px}
.sign-list{border-top:1px solid var(--ink)}
.sign-list li{padding:16px 0 16px 30px;border-bottom:1px solid var(--rule);position:relative;font-size:1.12rem}
.sign-list li::before{content:"—";position:absolute;left:0;color:var(--accent)}
.js .sign-list li.rv::before{transform:translateX(-12px);opacity:0;transition:transform .6s .25s var(--ease),opacity .6s .25s}
.js .sign-list li.rv.in::before{transform:none;opacity:1}
.signs-cta{margin:24px 0 0;font-style:italic;font-size:1.22rem;color:var(--ink);padding-left:16px;border-left:2px solid var(--accent)}
.more{border-bottom:0}
.more-h{font-size:1.5rem;font-weight:600;margin-bottom:16px}
.more-list{border-top:1px solid var(--ink)}
.more-list a{display:grid;grid-template-columns:1fr auto;align-items:center;column-gap:16px;padding:16px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--ink);transition:padding .3s var(--ease),color .3s}
.more-list a:hover{color:var(--blue);padding-left:8px}
.more-list b{font-size:1.2rem;font-weight:500}
.more-list span{grid-column:1;color:var(--muted);font-size:.84rem}
.more-list .i{grid-column:2;grid-row:1/3;color:var(--accent);transition:transform .3s var(--ease)}
.more-list a:hover .i{transform:translateX(5px)}

.talep{padding-top:30px}
.form-in-page h1{font-size:clamp(2.2rem,9vw,3.4rem);margin-bottom:8px}
.after{counter-reset:a;border-top:1px solid var(--ink);margin:26px 0}
.after li{counter-increment:a;position:relative;padding:14px 0 14px 40px;border-bottom:1px solid var(--rule-2);color:var(--ink-2)}
.after li::before{content:counter(a) ".";position:absolute;left:0;top:14px;font-style:italic;font-weight:600;color:var(--accent)}
.after b{color:var(--ink);font-weight:600}
.talep-fast{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.talep-fast p{width:100%;margin:0;font-family:var(--sans);font-size:.9rem;font-weight:600}

.legal-in{max-width:760px}
.legal h1{font-size:clamp(1.9rem,7vw,2.8rem);margin-bottom:8px}
.legal h2{font-size:1.35rem;font-weight:600;margin:34px 0 10px}
.legal-date{color:var(--muted);font-size:.86rem}
.legal ul{list-style:disc;padding-left:1.3em;margin-bottom:1em}
.legal li{margin-bottom:.4em}
.legal p,.legal li{color:var(--ink-2)}

.nf-in{text-align:center;max-width:640px;padding-top:24px}
.nf-eq{font-style:italic;font-size:3.6rem;color:var(--blue);margin:0 0 6px}
.nf h1{font-size:2.4rem;margin-bottom:12px}
.nf .cta-row{margin-top:18px}

/* Alt bilgi */
.foot{background:var(--ink);color:rgba(243,240,232,.72);padding:52px 0 26px;font-size:1rem}
.foot a{color:#f3f0e8;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;gap:32px}
.brand-light{color:#f3f0e8;margin-bottom:16px}
.brand-light:hover{color:#fff}
.brand-light .logo-mark{color:#f3f0e8}
.brand-light .brand-t small{color:rgba(243,240,232,.55)}
.foot-h{font-size:.74rem;text-transform:uppercase;letter-spacing:.14em;color:rgba(243,240,232,.5);margin-bottom:12px;font-weight:600}
.foot-l{display:grid;gap:8px}
.foot-area{margin-top:34px;padding-top:22px;border-top:1px solid rgba(243,240,232,.14);font-size:.92rem}
.foot-bot{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-family:var(--sans);font-size:.8rem;color:rgba(243,240,232,.5);margin-top:6px}

/* Mobil hızlı iletişim çubuğu */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(246,244,238,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--rule);transition:transform .3s var(--ease)}
.mbar a{position:relative;display:flex;align-items:center;justify-content:center;gap:.5em;min-height:52px;border-radius:10px;font-weight:600;font-size:1.02rem;text-decoration:none;color:#fff}
.mbar a:active{transform:scale(.97)}
.mbar .i{width:1.3em;height:1.3em}
.mbar-wa{background:var(--wa)}
.mbar-wa::after,.fab-wa::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(30,154,85,.55);animation:nabiz 3.2s 2s infinite;pointer-events:none}
@keyframes nabiz{0%{box-shadow:0 0 0 0 rgba(30,154,85,.55)}55%,100%{box-shadow:0 0 0 12px rgba(30,154,85,0)}}
.mbar-call{background:var(--ink)}
.mbar-wa .i{animation:salla .6s 2.6s ease 2}
.kb-open .mbar{transform:translateY(110%)}
.fab-wa{display:none}

/* Görünürken beliren öğeler */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* Tablet */
@media (min-width:640px){
  .wrap{padding:0 32px}
  .cta-row{flex-direction:row;flex-wrap:wrap}
  .cta-row .btn{width:auto}
  .cta-center{justify-content:center}
  .sym span{font-size:var(--s)}
  .sym span:nth-child(n+6){display:block}
  .lv{grid-template-columns:7rem 1fr auto;align-items:center;padding:28px 0}
  .lv-n{grid-row:auto;font-size:3rem}
  .lv-go{grid-column:3;margin:0}
  .exams-grid{grid-template-columns:repeat(3,1fr)}
  .exn{grid-template-columns:1fr;row-gap:8px}
  .exn-k{grid-column:1}
  .place-grid{grid-template-columns:1fr 1fr}
  .tform-grid{grid-template-columns:1fr 1fr;column-gap:14px}
  .fld-wide{grid-column:1/-1}
  .form-card{padding:30px}
  .toc-list{columns:2;column-gap:40px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
  .ok-wa{width:auto}
  .ex-sheet{padding:28px 30px 30px}
}
/* Masaüstü */
@media (min-width:1024px){
  body{padding-bottom:0;font-size:18px}
  .mbar{display:none}
  .fab-wa{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;align-items:center;gap:.5em;background:var(--wa);color:#fff;text-decoration:none;font-family:var(--sans);font-weight:600;padding:13px 18px 13px 15px;border-radius:12px;box-shadow:0 14px 30px -14px rgba(20,22,27,.5);transition:background .2s,transform .3s var(--ease)}
  .fab-wa:hover{background:var(--wa-d);color:#fff;transform:translateY(-3px)}
  .fab-wa .i{width:1.4em;height:1.4em}
  .top-in{height:76px;gap:20px}
  .nav{display:flex;align-items:center;gap:2px}
  .nav a{position:relative;color:var(--ink);text-decoration:none;font-family:var(--sans);font-weight:500;font-size:.92rem;padding:.5em .7em;white-space:nowrap}
  .nav a::after{content:"";position:absolute;left:.7em;right:.7em;bottom:.15em;height:1.5px;background:var(--blue);transform:scaleX(0);transform-origin:0 50%;transition:transform .3s var(--ease)}
  .nav a:hover{color:var(--blue)}
  .nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
  .nav a[aria-current]{color:var(--blue)}
  .top-cta{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;border:1px solid var(--ink);border-radius:10px;font-weight:600;font-size:.9rem;text-decoration:none;white-space:nowrap;transition:background .2s,color .2s}
  .top-cta:hover{background:var(--ink);color:#fff}
  .top-call{display:inline-flex;align-items:center;gap:.5em;min-height:42px;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:.92rem;padding:0 16px;border-radius:10px;white-space:nowrap;transition:background .2s}
  .top-call:hover{background:var(--blue);color:#fff}
  .menu-btn,.mnav{display:none!important}
  .hero-in{grid-template-columns:1.12fr .88fr;align-items:center;gap:64px;padding-top:64px;padding-bottom:88px}
  .hero-vis{position:static;display:block}
  .plane{position:absolute;right:0;top:0;width:47%;max-width:none;margin:0;opacity:.9}
  .sec{padding:96px 0}
  .statement{padding:100px 0}
  .exams{padding:72px 0}
  .sh{display:grid;grid-template-columns:150px 1fr;column-gap:24px;max-width:none;margin-bottom:40px}
  .sh-n{grid-row:1/3;flex-direction:column;gap:6px;margin:10px 0 0}
  .sh h2,.sh-p{max-width:760px}
  .lv-list,.step-list,.place-grid,.faq-list,.toc,.sign-list,.signs-cta,.more-list,.deep-txt{margin-left:174px}
  .lv::before{inset:0 -24px}
  .step-list{grid-template-columns:repeat(4,1fr);border-top:0;gap:0}
  .step-list::before,.step-list::after{left:20px;top:20px;bottom:auto;height:1.5px}
  .step-list::before{width:calc(100% - 40px)}
  .step-list::after{width:calc((100% - 40px) * var(--p,0))}
  .step{display:block;padding:0 26px 0 0;border-bottom:0}
  .step-n{margin-bottom:22px}
  .place-grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .place{padding:30px 28px}
  .about-in{grid-template-columns:400px 1fr;gap:80px;align-items:center}
  .about-in .card{order:0}
  .about-txt .sh{display:block}
  .about-txt .sh-n{flex-direction:row;margin-bottom:12px}
  .faq-in .sh{margin-bottom:28px}
  .form-in{grid-template-columns:.85fr 1.15fr;gap:72px;align-items:start}
  .form-side{position:sticky;top:110px}
  .form-side .sh{display:block}
  .form-side .sh-n{flex-direction:row}
  .form-card{padding:38px}
  .hero-in-sub{grid-template-columns:1.35fr .65fr;align-items:end}
  .deep-in{display:block}
  .toc-list{columns:3}
  .closing{padding:104px 0}
  .talep{padding-top:52px}
}
@media (max-width:370px){
  .brand-t small{display:none}
  .hero h1{font-size:2.2rem}
  .ex-sheet{padding:20px 16px 22px}
  .ex-tabs{gap:16px}
  .exn-n{font-size:3.6rem}
}
/* Dokunmatik ekranlar: üzerine gelme efekti yerine dokunma geri bildirimi */
@media (hover:none){
  .lv::before{display:none}
  .lv:hover{color:var(--ink)}
  .lv:hover .lv-n{transform:none}
  .lv:hover .lv-t span{color:var(--ink-2)}
  .lv:hover .lv-go{color:var(--accent)}
  .lv:active{background:var(--blue-soft)}
  .place:hover,.exn:hover{transform:none;box-shadow:none}
  .place:active,.exn:active{transform:scale(.99)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important;scroll-behavior:auto!important}
  .js .rv,.js .hero-txt>*{opacity:1;transform:none}
  .w>span{transform:none}
  .tk-track{animation:none}
}

/* ===== Renkli tema (2026-10-20): her kademenin kendi rengi, renkli bantlar ===== */
:root{
  --c1:#f05a28; --c1s:#ffe8dd;   /* ilkokul · turuncu */
  --c2:#2340e8; --c2s:#e4e9ff;   /* ortaokul/LGS · mavi */
  --c3:#7a35e6; --c3s:#efe6ff;   /* lise/YKS · mor */
  --c4:#0a9a86; --c4s:#d9f3ee;   /* evde ders · turkuaz */
  --sun:#ffc23d; --suns:#fff3cf;
  --accent:#e2402c;
  --k:var(--c2); --ks:var(--c2s);
}
.progress span{background:linear-gradient(90deg,var(--c1),var(--c2) 50%,var(--c3))}
.over{color:var(--c1)}
.hero{background:radial-gradient(55% 50% at 92% 6%,rgba(255,194,61,.5),transparent 70%),radial-gradient(50% 45% at 0% 98%,rgba(122,53,230,.22),transparent 70%),radial-gradient(45% 40% at 60% 74%,rgba(35,64,232,.16),transparent 70%),radial-gradient(40% 35% at 24% 6%,rgba(240,90,40,.14),transparent 70%),var(--paper)}
.hero-sub{background:radial-gradient(60% 55% at 92% 6%,var(--ks),transparent 72%),radial-gradient(45% 45% at 0% 100%,rgba(255,194,61,.24),transparent 70%),var(--paper)}
.hero h1 em{color:var(--c2)}
.hero-sub h1 em{color:var(--k)}
.swash path{stroke:var(--c1);stroke-width:5}
.sym span{opacity:.2}
.sym span:nth-child(5n+1){color:var(--c1)}.sym span:nth-child(5n+2){color:var(--c2)}.sym span:nth-child(5n+3){color:var(--c3)}.sym span:nth-child(5n+4){color:var(--c4)}.sym span:nth-child(5n){color:#e3a400}
.motto{border-left-color:var(--c1)}
.btn-ink:hover{background:var(--c3)}
.top-call:hover{background:var(--c2)}
.nav a::after{background:linear-gradient(90deg,var(--c1),var(--c2))}

/* Grafik */
.pl-curve{stroke:url(#egriRenk);stroke-width:3.6}
.pl-dots circle:nth-child(1){stroke:var(--c1)}.pl-dots circle:nth-child(2){stroke:#c24ea0}.pl-dots circle:nth-child(3){stroke:var(--c2)}.pl-dots circle:nth-child(4){stroke:var(--c3)}
.pl-dot{fill:var(--sun);stroke:var(--c3)}
.pl-grid{stroke:#d9d6f0}

/* Örnek kutusu */
.ex-tabs button[aria-selected=true]::after{background:linear-gradient(90deg,var(--c1),var(--c2))}
.ex-sheet{border-top:0;box-shadow:0 30px 60px -36px rgba(35,64,232,.35)}
.ex-a span{color:var(--c2)}

/* Konu şeridi: mavi */
.ticker{background:linear-gradient(90deg,var(--c2),#3a2fd9 50%,var(--c3))}
.tk-track i{color:var(--sun)}
.tk-track i:nth-of-type(2n){color:#9ff0e2}
.tk-rev .tk-track span{color:rgba(255,255,255,.72)}

/* Kademeler: her satır kendi renginde */
.lv-n{color:var(--k)}
.lv::before{background:var(--k)}
.lv-go{color:var(--k)}
.lv:hover .lv-n,.lv:focus-visible .lv-n{color:#fff}
.lv-list li{position:relative}
.lv-t b::after{content:"";display:inline-block;width:.42em;height:.42em;margin-left:.4em;border-radius:50%;background:var(--k);vertical-align:.12em}
.lv:hover .lv-t b::after{background:#fff}

/* Sınav sayıları: sarı zemin, renkli kartlar */
.exams{background:var(--suns)}
.exn{border-color:transparent;box-shadow:0 1px 0 rgba(20,22,27,.05)}
.exn::after{background:var(--k);height:4px}
.exn-k,.exn-n{color:var(--k)}
.exn::before{content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;border-radius:50%;background:var(--ks);z-index:0}
.exn>*{position:relative;z-index:1}

/* Denklem bandı: mor-mavi geçiş */
.statement{background:linear-gradient(125deg,#141a5c 0%,var(--c2) 55%,var(--c3) 100%)}
.st-eq .op{color:var(--sun)}
.st-eq b{background-image:linear-gradient(var(--sun),var(--sun))}
.st-sub{color:rgba(255,255,255,.8)}

/* Adımlar */
.step-n{color:var(--k);border-color:var(--k);border-width:2px}
.step.on .step-n{background:var(--k);border-color:var(--k);color:#fff;box-shadow:0 0 0 6px var(--paper),0 8px 18px -6px var(--k)}
.step-list::after{background:linear-gradient(180deg,var(--c1),var(--c2),var(--c3),var(--c4))}
@media (min-width:1024px){.step-list::after{background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3),var(--c4))}}

/* Ders yerleri: mavi zemin, renkli kartlar */
.places{background:var(--c2s)}
.place{border:0;border-top:4px solid var(--k);box-shadow:0 1px 0 rgba(20,22,27,.05)}
.place-ic{background:var(--ks);color:var(--k)}
.place-k{color:var(--k)}
.more-link .i{color:var(--k)}

/* Kartvizit: renkli */
.card{background:linear-gradient(150deg,var(--c2) 0%,var(--c3) 100%);color:#fff;border:0;box-shadow:0 34px 60px -34px rgba(122,53,230,.6)}
.card::after{background:var(--sun)}
.card-k{color:rgba(255,255,255,.7)}
.card-r{color:rgba(255,255,255,.85)}
.card-t{color:#fff;border-top-color:rgba(255,255,255,.3)}
.card-t:hover{color:var(--sun)}

/* SSS */
.faq details[open] summary i{background:var(--c2);border-color:var(--c2)}
.faq details:nth-child(3n+2)[open] summary i{background:var(--c3);border-color:var(--c3)}
.faq details:nth-child(3n)[open] summary i{background:var(--c1);border-color:var(--c1)}

/* Form: turkuaz zemin */
.form-sec{background:var(--c4s)}
.form-card{border:0;box-shadow:0 30px 60px -40px rgba(10,154,134,.45)}
.chips input:checked+span{background:var(--c4);border-color:var(--c4)}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--c2)}

/* Kapanış: geçişli bant */
.closing{background:linear-gradient(135deg,var(--c2) 0%,var(--c3) 60%,#b23ab0 100%)}
.closing .sym span{color:#fff;opacity:.14}
.closing-k{color:var(--sun)}

/* Alt sayfalar: sayfanın kendi rengi */
.sub-card::before{background:var(--k);height:4px}
.sub-big{color:var(--k)}
.sub-card li::before{background:var(--k);border-radius:50%}
.toc h3{color:var(--k)}
.toc-list li:hover{color:var(--k)}
.deep{background:var(--ks)}
.deep-txt p:first-child::first-letter{color:var(--k)}
.sign-list li::before{color:var(--k)}
.signs-cta{border-left-color:var(--k)}
.more-list .i{color:var(--k)}
.more-list a:hover{color:var(--k)}
.crumb a:hover{color:var(--k)}

/* Alt bilgi */
.foot{background:#11143a}
.foot-area,.foot-bot{border-color:rgba(255,255,255,.12)}
.brand-light .logo-mark circle{fill:var(--sun)}
/* küçük renkli yazılar: aynı rengin koyu tonu (okunabilirlik) */
.lv-go,.exn-k,.place-k,.toc h3,.over{color:var(--k);color:color-mix(in srgb,var(--k) 72%,#000)}
.over{--k:var(--c1)}
.lv:hover .lv-go{color:#fff}

/* ===== Modern yazı tipi (Plus Jakarta Sans) + matematik/vurgu için STIX italik ===== */
h1,h2,h3{font-weight:750;letter-spacing:-.032em;line-height:1.08}
.hero h1{font-weight:800;letter-spacing:-.045em;line-height:1.02}
.brand-t b{font-weight:800;letter-spacing:-.03em}
.lv-n,.exn-n{font-weight:800;letter-spacing:-.05em}
.card-n{font-weight:800;letter-spacing:-.035em}
.lv-t b,.place h3,.step h3,.more-list b,.faq summary{font-weight:700;letter-spacing:-.02em}
.faq summary{font-size:1.08rem}
.mnav nav a{font-weight:700;letter-spacing:-.02em}
.sub-big{font-weight:800;letter-spacing:-.04em}
.hero h1 em,.motto,.ex,.st-eq,.tk-track span,.sym span,.pl-lbl,.signs-cta,.card-r,.nf-eq,.sh-n span,.deep-txt p:first-child::first-letter{font-family:var(--math)}
.hero h1 em{font-weight:500;letter-spacing:-.02em;font-size:1.08em}
.st-eq b{font-family:var(--serif);font-weight:800;letter-spacing:-.03em}
.step-n{font-family:var(--math)}
.lede,.sh-p,.deep-txt p{font-size:1.08rem}

/* ===== 3D cisimler ===== */
.solid{display:block;pointer-events:none}
.st-in{display:grid;gap:8px}
.st-solid{width:200px;height:200px;justify-self:center;margin:-20px 0 4px;filter:drop-shadow(0 24px 30px rgba(10,10,60,.45))}
.js .st-solid{opacity:0;transform:scale(.6) rotate(-20deg);transition:opacity 1s .2s,transform 1.2s .2s var(--ease)}
.js .st-in.in .st-solid{opacity:1;transform:none}
.cl-solid{position:absolute;z-index:0;width:150px;height:150px;right:-44px;top:-34px;opacity:.45}
@media (min-width:640px){.st-solid{width:240px;height:240px}.cl-solid{width:260px;height:260px;right:-20px;top:50%;margin-top:-130px;opacity:.7}}
@media (min-width:1024px){
  .st-in{grid-template-columns:1fr 340px;align-items:center;gap:40px}
  .st-solid{order:2;width:340px;height:340px;margin:0}
  .cl-solid{width:340px;height:340px;right:4%;margin-top:-170px;opacity:.85}
}

/* ===== Rehber yazıları ===== */
.hero-art .hero-in{grid-template-columns:1fr!important;padding-bottom:44px}
.hero-art h1{max-width:16em;font-size:clamp(2rem,8.4vw,3.6rem)}
.art-meta{font-size:.85rem;color:var(--muted);margin:16px 0 0}
.art-in{display:grid;gap:28px}
.art-toc{background:var(--sheet);border-left:4px solid var(--k);padding:18px 20px;border-radius:0 12px 12px 0}
.art-toc-h{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.art-toc ol{counter-reset:t;display:grid;gap:6px}
.art-toc li{counter-increment:t;display:flex;gap:10px;font-size:.95rem}
.art-toc li::before{content:counter(t);font-weight:800;color:var(--k);min-width:1em}
.art-toc a{text-decoration:none}
.art-toc a:hover{color:var(--k)}
.prose{max-width:720px;font-size:1.06rem}
.pr-sec{scroll-margin-top:90px}
.pr-sec+.pr-sec{margin-top:40px}
.prose h2{font-size:clamp(1.5rem,5.4vw,2rem);margin-bottom:14px}
.prose p{color:var(--ink-2)}
.prose b{color:var(--ink)}
.pr-sec a,.art-cta p a{color:var(--k);color:color-mix(in srgb,var(--k) 80%,#000);font-weight:600}
.pr-list{display:grid;gap:8px;margin:0 0 1.1em;padding:0}
.pr-list li{position:relative;padding-left:26px;color:var(--ink-2)}
.pr-list li::before{content:"";position:absolute;left:4px;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--k)}
ol.pr-list{counter-reset:p}
ol.pr-list li{counter-increment:p;padding-left:34px}
ol.pr-list li::before{content:counter(p);width:24px;height:24px;top:.1em;left:0;display:grid;place-items:center;font-size:.75rem;font-weight:800;color:#fff;background:var(--k)}
.art-cta{margin-top:48px;padding:26px 22px;border-radius:16px;background:linear-gradient(140deg,var(--ks),#fff);border:1px solid var(--rule-2)}
.art-cta-k{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--k);color:color-mix(in srgb,var(--k) 72%,#000);margin-bottom:6px}
.art-cta-h{font-size:1.5rem;font-weight:800;letter-spacing:-.03em;color:var(--ink);margin-bottom:8px}
.guide-grid{display:grid;gap:14px}
.guide{position:relative;display:grid;gap:8px;height:100%;padding:24px 22px;background:var(--sheet);border-top:4px solid var(--k);text-decoration:none;color:var(--ink);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s}
.guide::before{content:"";position:absolute;right:-40px;bottom:-40px;width:140px;height:140px;border-radius:50%;background:var(--ks);transition:transform .5s var(--ease)}
.guide:hover{transform:translateY(-4px);box-shadow:0 24px 44px -30px rgba(20,22,27,.45);color:var(--ink)}
.guide:hover::before{transform:scale(1.25)}
.guide>*{position:relative}
.guide-k{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:color-mix(in srgb,var(--k) 72%,#000)}
.guide b{font-size:1.3rem;font-weight:800;letter-spacing:-.03em;line-height:1.2}
.guide span:not(.guide-k):not(.guide-go){color:var(--ink-2)}
.guide-go{display:inline-flex;align-items:center;gap:.4em;font-weight:700;color:color-mix(in srgb,var(--k) 72%,#000);margin-top:6px}
.more-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.more-chips a{display:inline-flex;align-items:center;gap:.4em;min-height:42px;padding:0 14px;border-radius:999px;background:var(--sheet);border:1px solid var(--rule);font-size:.92rem;font-weight:600;text-decoration:none;transition:background .2s,color .2s,border-color .2s}
.more-chips a:hover{background:var(--c2);border-color:var(--c2);color:#fff}
.home-guides{background:var(--paper)}
@media (min-width:640px){.guide-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){
  .art-in{grid-template-columns:240px 1fr;gap:56px;align-items:start}
  .art-toc{position:sticky;top:110px}
  .guide-grid{grid-template-columns:repeat(4,1fr)}
  .home-guides .guide-grid,.more-chips{margin-left:174px}
  .home-guides .guide-grid{grid-template-columns:1fr 1fr}
}
.brand-t b{white-space:nowrap}
@media (min-width:1024px) and (max-width:1219px){.top-cta{display:none}.nav a{padding:.5em .55em;font-size:.9rem}.top-in{gap:14px}}

/* ===== Son denetim düzeltmeleri (2026-10-20): okunurluk (WCAG AA) + dokunma alanları ===== */
:root{--wa:#12803f;--wa-d:#0e6833;--accent:#c8331f;--muted:#5b5f69}
.btn-wa{box-shadow:0 10px 24px -14px rgba(18,128,63,.9)}
.closing-k{color:#fff;opacity:.92}
.chips input:checked+span{background:#0b7d6d;border-color:#0b7d6d}
.step-n{color:color-mix(in srgb,var(--k) 72%,#000)}
.step.on .step-n{color:#fff}
.sh-n span{color:var(--accent)}
/* dokunma alanları */
.foot-l{gap:0}
.foot-l a,.foot-l li{display:flex;align-items:center;min-height:44px}
.foot-bot a{display:inline-flex;align-items:center;min-height:44px}
.crumb a{display:inline-flex;align-items:center;min-height:40px}
.crumb{align-items:center;margin-bottom:8px}
.more-link,.txt-link,.closing-form{min-height:44px}
.art-toc li{align-items:center}
.art-toc a{display:block;padding:7px 0}
.art-toc ol{gap:0}
:root{--accent:#b42b18}
.step.on .step-n{background:color-mix(in srgb,var(--k) 78%,#000);border-color:color-mix(in srgb,var(--k) 78%,#000)}
.pr-sec a,.art-cta p a{color:color-mix(in srgb,var(--k) 62%,#000)}
.mnav{padding-bottom:calc(var(--mbar) + 28px + env(safe-area-inset-bottom))}
.hero h1 em{margin-right:.06em}
@media (max-width:370px){.over{letter-spacing:.07em;font-size:.72rem}}