/* NotaKora — Education yüzeyi · vizzy dili (v2)
   Dünya: kâğıt + mürekkep + tek vurgu. Serif display (Newsreader), Inter gövde.
   Dil: dev akışkan tipografi (clamp), bölüm bazlı pastel alan, yüzen çipler,
   ince çizgi illüstrasyon. Kart yalnız anlam taşıdığında kullanılır. */

@font-face{
  font-family:"Newsreader";
  src:url("/assets/fonts/newsreader-latin-ext.woff2") format("woff2");
  font-weight:400 600; font-style:normal; font-display:swap;
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Newsreader";
  src:url("/assets/fonts/newsreader-latin.woff2") format("woff2");
  font-weight:400 600; 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+0304,U+0308,U+0329,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:"Inter";
  src:url("/assets/fonts/inter-latin-ext.woff2") format("woff2");
  font-weight:400 700; font-style:normal; font-display:swap;
  unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/inter-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+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --kagit:#faf8f4;
  --kagit-2:#f2eee7;
  --murekkep:#141a1f;
  --murekkep-2:#39424a;
  --soluk:#5c6670;
  --cizgi:rgba(20,26,31,.14);
  --cizgi-2:rgba(20,26,31,.07);
  --vurgu:#0f5d57;
  --vurgu-koyu:#0a443f;
  --vurgu-alan:rgba(15,93,87,.065);
  --vurgu-alan-2:rgba(15,93,87,.11);
  --ok:#1f6b4f;      --ok-zemin:#e3efe8;
  --eksik:#8f3123;   --eksik-zemin:#f7e5df;
  --uyari:#755100;   --uyari-zemin:#f4ead2;

  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  /* akışkan ölçek — kırılım noktası yok, hepsi clamp */
  --dev:clamp(3.1rem,11.4vw,8.6rem);       /* 50 → 138 px */
  --dev-2:clamp(2.15rem,6vw,4.15rem);      /* 34 → 66 px */
  --baslik:clamp(1.35rem,2.3vw,1.75rem);
  --giris:clamp(1.08rem,1.75vw,1.36rem);
  --govde:1.0625rem;
  --olcu:66ch;

  --bosluk:clamp(4rem,8.5vw,8.5rem);
  --ic:clamp(1.25rem,4.5vw,3rem);
  --yaricap:14px;
  --golge:0 1px 2px rgba(20,26,31,.06),0 22px 40px -28px rgba(20,26,31,.4);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;background:var(--kagit);color:var(--murekkep);
  font-family:var(--sans);font-size:var(--govde);line-height:1.65;
  font-synthesis-weight:none;-webkit-font-smoothing:antialiased;
  caret-color:var(--vurgu);overflow-x:hidden;
}
@keyframes satirGel{to{transform:translateY(0)}}
@keyframes yuz{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

::selection{background:var(--vurgu);color:#f7fbfa}
:focus-visible{outline:2px solid var(--vurgu);outline-offset:3px;border-radius:3px}
@supports (scrollbar-width:thin){html{scrollbar-width:thin;scrollbar-color:rgba(20,26,31,.28) transparent}}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-thumb{background:rgba(20,26,31,.26);border:3px solid var(--kagit);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:rgba(20,26,31,.42)}

img,svg{max-width:100%}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
a{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
abbr{text-decoration:none}

.sar{max-width:1240px;margin:0 auto;padding:0 var(--ic)}
.atla{position:absolute;left:-9999px;top:0;z-index:30;background:var(--murekkep);color:var(--kagit);padding:.7rem 1.1rem;border-radius:0 0 8px 0}
.atla:focus{left:0}

/* ortak parçalar */
.kas{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--soluk);margin:0 0 1.1rem;
}
.kas-acik{color:rgba(250,248,244,.62)}
.orta{font-family:var(--serif);font-weight:400;font-size:var(--dev-2);line-height:1.06;letter-spacing:-.025em;font-variation-settings:"opsz" 48;max-width:24ch;margin-bottom:clamp(2rem,4vw,3.25rem)}
.dev-2{font-family:var(--serif);font-weight:400;font-size:var(--dev-2);line-height:1.05;letter-spacing:-.026em;font-variation-settings:"opsz" 48;max-width:20ch;margin-bottom:clamp(2rem,4vw,3.25rem)}
.bolum{padding:var(--bosluk) 0}

.cip{
  display:inline-flex;align-items:center;gap:.55rem;
  font-size:.82rem;font-weight:500;letter-spacing:-.005em;
  background:var(--vurgu-alan);color:var(--vurgu-koyu);
  border:1px solid rgba(15,93,87,.16);border-radius:999px;padding:.42rem .9rem;
}
.cip > span{width:7px;height:7px;border-radius:50%;background:var(--vurgu);flex:none}
.cip-uyari{background:var(--uyari-zemin);color:var(--uyari);border-color:rgba(117,81,0,.2)}
.cip-uyari > span{background:var(--uyari)}

.eylem{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem;margin-top:2.1rem}
.dugme{
  display:inline-flex;align-items:center;min-height:48px;
  text-decoration:none;background:var(--murekkep);color:var(--kagit);
  font-weight:500;font-size:1rem;padding:0 1.5rem;border-radius:999px;
  box-shadow:0 1px 2px rgba(20,26,31,.18),0 18px 34px -18px rgba(20,26,31,.55);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.dugme:hover{background:var(--vurgu-koyu);transform:translateY(-2px);box-shadow:0 2px 4px rgba(20,26,31,.2),0 24px 40px -20px rgba(20,26,31,.6)}
.dugme:active{transform:translateY(0)}
.dugme-acik{background:var(--kagit);color:var(--murekkep)}
.dugme-acik:hover{background:#fff;color:var(--vurgu-koyu)}
.bag{
  display:inline-flex;align-items:center;min-height:44px;
  text-decoration:none;color:var(--murekkep);font-weight:500;
  border-bottom:1px solid var(--cizgi);padding-bottom:.15rem;
  transition:border-color .2s ease,color .2s ease;
}
.bag:hover{color:var(--vurgu);border-color:var(--vurgu)}
.not-satir{margin-top:1.1rem;font-size:.9rem;color:var(--soluk)}

/* ---------- üst ---------- */
.ust{position:sticky;top:0;z-index:10;background:rgba(250,248,244,.84);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--cizgi-2)}
@supports not (backdrop-filter:blur(2px)){.ust{background:var(--kagit)}}
.ust-ic{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:72px}
.marka{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;min-height:44px}
.marka .isaret{display:block;flex:none}
.sozcuk{font-family:var(--serif);font-size:1.32rem;font-weight:500;letter-spacing:-.015em;font-variation-settings:"opsz" 24}
.menu{display:flex;align-items:center;gap:clamp(.9rem,2.2vw,1.85rem)}
.menu a{
  display:inline-flex;align-items:center;min-height:44px;
  text-decoration:none;color:var(--murekkep-2);font-size:.94rem;font-weight:500;
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.menu a:hover{color:var(--vurgu);border-color:var(--vurgu)}
.menu-cta{color:var(--kagit) !important;background:var(--murekkep);padding:0 1.05rem !important;border-radius:999px}
.menu-cta:hover{background:var(--vurgu-koyu)}
@media (max-width:760px){.menu a:not(.menu-cta){display:none}}

/* ---------- giriş ---------- */
.giris{position:relative;padding:clamp(3.25rem,7vw,6.5rem) 0 clamp(3rem,6vw,6rem);overflow:hidden}
.giris-isik{
  position:absolute;inset:-22% -12% auto auto;width:min(960px,72vw);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--vurgu-alan-2),rgba(15,93,87,0) 66%);
  pointer-events:none;
}
.giris-izgara{position:relative;display:grid;grid-template-columns:minmax(0,1.22fr) minmax(0,.78fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media (max-width:960px){.giris-izgara{grid-template-columns:1fr;gap:3.25rem}}

.giris h1.dev{
  font-family:var(--serif);font-weight:400;
  font-size:var(--dev);line-height:.92;letter-spacing:-.038em;
  font-variation-settings:"opsz" 72;margin:.6rem 0 1.5rem;
}
.giris h1 span{display:block;overflow:hidden;padding-bottom:.04em}
.giris h1 i{display:block;font-style:normal;transform:translateY(106%);animation:satirGel 1s cubic-bezier(.16,.84,.3,1) forwards}
.giris h1 span:nth-child(2) i{animation-delay:.12s}
.giris-alt{font-size:var(--giris);line-height:1.58;color:var(--murekkep-2);max-width:44ch}

/* örnek kayıt + yüzen çipler */
.giris-sag{position:relative;display:flex;justify-content:center;padding:2.5rem .5rem}
.cip-yuz{position:absolute;background:var(--kagit);border-color:var(--cizgi);color:var(--murekkep-2);box-shadow:var(--golge);animation:yuz 7s ease-in-out infinite}
.cip-yuz::before{content:"";position:absolute;inset:0;border-radius:999px;background:var(--vurgu-alan);z-index:-1}
.cip-a{top:.6rem;left:0;animation-delay:-.4s}
.cip-b{top:38%;right:-.4rem;animation-delay:-2.6s}
.cip-c{bottom:1.2rem;left:1.5rem;animation-delay:-4.4s}
@media (max-width:480px){.cip-b{right:0}.cip-c{left:.25rem}}
@media (prefers-reduced-motion:reduce){.cip-yuz{animation:none}}

.kayit{
  margin:0;width:100%;max-width:420px;position:relative;
  border:1px solid var(--cizgi);border-radius:var(--yaricap);
  background:var(--kagit);padding:1.5rem 1.6rem 1.35rem;box-shadow:var(--golge);
}
.kayit::after{
  content:"";position:absolute;inset:12px -12px -12px 12px;border-radius:var(--yaricap);
  background:var(--vurgu-alan);z-index:-1;
}
.kayit figcaption{font-family:var(--mono);font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:var(--soluk);margin-bottom:1.1rem}
.kayit dl{margin:0;display:grid;gap:.7rem}
.kayit dl > div{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--cizgi-2)}
.kayit dl > div:last-child{border-bottom:0;padding-bottom:0}
.kayit dt{font-size:.85rem;color:var(--soluk)}
.kayit dd{margin:0;font-family:var(--mono);font-size:.9rem;font-variant-numeric:tabular-nums;color:var(--murekkep);text-align:right;word-break:break-word}
.kayit dd.ok{color:var(--ok)}
.kayit-not{margin-top:1.1rem;font-size:.84rem;color:var(--soluk)}

/* ---------- şerit ---------- */
.serit{border-top:1px solid var(--cizgi-2);border-bottom:1px solid var(--cizgi-2);background:var(--kagit-2);padding:1.4rem 0}
.serit-ic{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem 2.4rem;justify-content:space-between}
.serit-ic span{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.05em;color:var(--murekkep-2);
  display:inline-flex;align-items:center;gap:.6rem;
}
.serit-ic span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--vurgu);flex:none}
@media (max-width:700px){.serit-ic{justify-content:flex-start;gap:.55rem 1.6rem}}

/* ---------- sorun → çözüm ---------- */
.ikili{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1rem,2.5vw,1.75rem)}
@media (max-width:840px){.ikili{grid-template-columns:1fr}}
.kutu{border-radius:var(--yaricap);padding:clamp(1.5rem,3vw,2.25rem);border:1px solid var(--cizgi-2)}
.kutu-eksik{background:var(--eksik-zemin)}
.kutu-ok{background:var(--ok-zemin)}
.kutu-etiket{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;
  margin-bottom:.9rem;
}
.kutu-eksik .kutu-etiket{color:var(--eksik)}
.kutu-ok .kutu-etiket{color:var(--ok)}
.kutu-metin{font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.55;color:var(--murekkep);max-width:46ch}

/* ---------- akış ---------- */
.akis{background:var(--kagit)}
.adimlar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(1.25rem,2.6vw,2.1rem);position:relative}
.adimlar::before{content:"";position:absolute;left:0;right:0;top:48px;height:1px;background:var(--cizgi)}
.adim{position:relative;padding-top:0}
.adim-no{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;margin-bottom:1.5rem;
  font-family:var(--mono);font-size:.86rem;font-weight:500;
  background:var(--kagit);border:1px solid var(--vurgu);color:var(--vurgu-koyu);
  box-shadow:0 0 0 8px var(--kagit);
}
.adim h3{font-family:var(--serif);font-weight:500;font-size:var(--baslik);line-height:1.2;letter-spacing:-.02em;font-variation-settings:"opsz" 32;margin-bottom:.7rem}
.adim p{color:var(--murekkep-2);max-width:40ch;font-size:1rem}
@media (max-width:1000px){
  .adimlar{grid-template-columns:1fr;gap:2.1rem}
  .adimlar::before{left:21px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .adim{padding-left:3.75rem}
  .adim-no{position:absolute;left:0;top:0;margin:0;box-shadow:0 0 0 6px var(--kagit)}
}
@media (max-width:1000px) and (min-width:641px){
  .adimlar{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- denetim ---------- */
.denetim{background:var(--vurgu-alan)}
.dortlu{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1rem,2.4vw,1.6rem)}
@media (max-width:760px){.dortlu{grid-template-columns:1fr}}
.ozellik{background:var(--kagit);border:1px solid var(--cizgi-2);border-radius:var(--yaricap);padding:clamp(1.4rem,2.6vw,2rem)}
.ikon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:12px;background:var(--vurgu-alan);color:var(--vurgu-koyu);margin-bottom:1.15rem}
.ikon svg{width:30px;height:30px;display:block}
.ozellik h3{font-family:var(--serif);font-weight:500;font-size:var(--baslik);letter-spacing:-.02em;font-variation-settings:"opsz" 32;margin-bottom:.55rem}
.ozellik p{color:var(--murekkep-2);max-width:42ch}

/* ---------- durum ---------- */
.durum{background:var(--kagit)}
.durum-izgara{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(1.5rem,5vw,4.5rem);align-items:start}
@media (max-width:900px){.durum-izgara{grid-template-columns:1fr}}
.durum-izgara h2{margin-bottom:0}
.durum-metin{color:var(--murekkep-2);max-width:var(--olcu);margin-top:1.35rem}
.durum-izgara .cip{margin-bottom:1.15rem}

/* ---------- sss ---------- */
.sss{background:var(--kagit-2)}
.sss-liste{max-width:820px}
.sss details{border-top:1px solid var(--cizgi);padding:.35rem 0}
.sss details:last-child{border-bottom:1px solid var(--cizgi)}
.sss summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:1.25rem;
  min-height:64px;font-family:var(--serif);font-weight:500;font-size:clamp(1.08rem,1.9vw,1.32rem);
  letter-spacing:-.015em;font-variation-settings:"opsz" 28;padding:.6rem 0;
}
.sss summary::-webkit-details-marker{display:none}
.sss summary::after{
  content:"";flex:none;width:13px;height:13px;margin-right:.35rem;
  border-right:1.6px solid var(--vurgu);border-bottom:1.6px solid var(--vurgu);
  transform:rotate(45deg) translate(-2px,-2px);transition:transform .22s ease;
}
.sss details[open] summary::after{transform:rotate(-135deg) translate(-2px,-2px)}
.sss summary:hover{color:var(--vurgu-koyu)}
.sss p{padding:.15rem 0 1.5rem;color:var(--murekkep-2);max-width:62ch}
.sss a{color:var(--vurgu);text-decoration:underline;text-underline-offset:3px}

/* ---------- beta ---------- */
.beta{background:var(--murekkep);color:var(--kagit);padding:clamp(4rem,9vw,7.5rem) 0;position:relative;overflow:hidden}
.beta::after{
  content:"";position:absolute;right:-14%;bottom:-46%;width:min(720px,66vw);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(15,93,87,.55),rgba(15,93,87,0) 66%);pointer-events:none;
}
.beta .sar{position:relative}
.beta-baslik{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,5.2vw,3.7rem);line-height:1.06;letter-spacing:-.028em;font-variation-settings:"opsz" 56;max-width:26ch;color:#fff}
.beta-metin{margin-top:1.35rem;max-width:52ch;color:rgba(250,248,244,.78);font-size:var(--giris)}
.beta .eylem{margin-top:2.25rem}

/* ---------- alt ---------- */
.alt{border-top:1px solid var(--cizgi);padding:2.5rem 0 3rem;background:var(--kagit)}
.alt-ic{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem 2rem}
.alt-marka{display:inline-flex;align-items:center;gap:.55rem}
.alt-marka .sozcuk{font-size:1.15rem}
.alt-menu{display:flex;flex-wrap:wrap;gap:1.4rem;margin-left:auto}
.alt-menu a{text-decoration:none;color:var(--murekkep-2);font-size:.9rem;border-bottom:1px solid transparent;min-height:44px;display:inline-flex;align-items:center}
.alt-menu a:hover{color:var(--vurgu);border-color:var(--vurgu)}
.telif{margin:0;font-size:.86rem;color:var(--soluk);flex-basis:100%}
.telif .imza{opacity:.65}
.telif .imza a{color:inherit;text-decoration:none;border-bottom:1px solid currentColor}
.telif .imza a:hover{color:var(--vurgu);border-color:var(--vurgu)}
@media (min-width:760px){.telif{flex-basis:auto;order:3;width:100%;margin-top:.5rem}}

/* giriş animasyonu — gizleme yalnız JS varken */
.js .gel{opacity:0;transform:translateY(18px)}
.js .gel.acik{opacity:1;transform:none;transition:opacity .75s cubic-bezier(.16,.84,.3,1),transform .75s cubic-bezier(.16,.84,.3,1)}
@media (prefers-reduced-motion:reduce){
  .js .gel{opacity:1;transform:none}
  .js .gel.acik{transition:none}
  .giris h1 i{transform:none;animation:none}
}