/* ---------- tokens ---------- */
:root{
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --text:#0E1729;
  --muted:#647089;
  --line:#E6EAF3;
  --line-2:#F0F2F8;
  --accent:#0EA5A4;
  --accent-2:#35C77F;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(14,23,41,.04), 0 8px 24px -16px rgba(14,23,41,.22);
  --sh-2:0 2px 6px rgba(14,23,41,.05), 0 22px 48px -24px rgba(14,23,41,.30);
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:84px;
}

body{
  margin:0;
  padding-bottom:86px;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.6;
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}

.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 18px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

.ic{width:18px;height:18px;flex:none}

/* ---------- background decor ---------- */
.decor{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.decor::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(14,165,164,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,165,164,.07) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(120% 60% at 50% 0%,#000 25%,transparent 72%);
  mask-image:radial-gradient(120% 60% at 50% 0%,#000 25%,transparent 72%);
}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.32}
.blob-a{width:320px;height:320px;top:-150px;left:-110px;background:#7FE3C5}
.blob-b{width:360px;height:360px;top:-180px;right:-130px;background:#9DD2FF}
.blob-c{width:300px;height:300px;top:46%;left:52%;background:#FFD79B;opacity:.22}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:50;
  background:rgba(246,247,251,.72);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.hdr.is-stuck{
  background:rgba(255,255,255,.82);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(14,23,41,.7);
}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:12px;height:62px}

.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  display:grid;place-items:center;width:32px;height:32px;border-radius:10px;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 6px 16px -8px rgba(91,99,245,.9);
}
.brand-mark svg{width:17px;height:17px}
.brand-mark.sm{width:28px;height:28px;border-radius:9px}
.brand-mark.sm svg{width:15px;height:15px}
.brand-text{font-weight:800;font-size:1.02rem;letter-spacing:-.03em}
.brand-text span{color:var(--muted);font-weight:600}

.hdr-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:38px;width:38px;padding:0;flex:none;
  border-radius:999px;font-size:.88rem;font-weight:650;color:#fff;
  background:linear-gradient(180deg,#31ADEA,#1D8FC4);
  box-shadow:0 8px 20px -12px rgba(29,143,196,.95);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s ease;
}
.hdr-cta:hover{transform:translateY(-1px);filter:saturate(115%);box-shadow:0 12px 24px -12px rgba(29,143,196,1)}
.hdr-cta:active{transform:translateY(0)}
.hdr-cta span{display:none}

/* ---------- sections ---------- */
.first{padding-top:22px}

.sec-head{margin:34px 0 16px;text-align:center}
.sec-head h2{font-size:clamp(1.28rem,5vw,1.75rem);font-weight:800;letter-spacing:-.032em}
.sec-head p{margin-top:6px;color:var(--muted);font-size:.9rem}

/* ---------- shared button ---------- */
.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;min-height:50px;padding:0 18px;border-radius:14px;
  font-size:1rem;font-weight:700;letter-spacing:-.01em;
  color:var(--on-brand,#fff);
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 22px -14px rgba(var(--brand-rgb),.95), inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),filter .2s ease;
}
.btn .ic{transition:transform .25s var(--ease)}

/* ---------- giris ---------- */
.intro h1{
  max-width:22ch;margin:0 auto;text-align:center;
  font-size:clamp(1.5rem,5.8vw,2.15rem);
  font-weight:800;letter-spacing:-.035em;line-height:1.22;
}
.intro-p{
  max-width:64ch;margin:11px auto 0;text-align:center;
  color:var(--muted);font-size:.94rem;line-height:1.65;
}
.intro-p a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.intro .grid{margin-top:22px}

/* ---------- grid + cards ---------- */
.grid{display:grid;gap:14px}

.card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:18px 16px 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s ease;
}
.card-top{
  position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  opacity:.9;
}
.card::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;
  background:radial-gradient(110% 90% at 50% 0%,rgba(var(--brand-rgb),.14),transparent 60%);
  transition:opacity .3s ease;
}
.card-head,.card .amount,.card .btn{position:relative;z-index:1}

.card-head{display:flex;align-items:center;gap:13px}
.logo{
  width:58px;height:58px;border-radius:16px;overflow:hidden;flex:none;
  border:1px solid var(--line);
  box-shadow:0 10px 20px -14px rgba(var(--brand-rgb),1);
}
.logo img{width:100%;height:100%;object-fit:cover}

.card-title{display:flex;flex-direction:column;min-width:0}
.name{font-size:1.18rem;font-weight:800;letter-spacing:-.032em;line-height:1.25}
.tag{font-size:.79rem;color:var(--muted);font-weight:500}

.amount{
  display:flex;align-items:baseline;gap:5px;
  padding:10px 14px;border-radius:14px;
  background:rgba(var(--brand-rgb),.1);
  border:1px solid rgba(var(--brand-rgb),.2);
}
.amount b{font-size:1.45rem;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--brand-2)}
.amount i{font-style:normal;font-size:.86rem;font-weight:700;color:var(--brand-2);opacity:.85}
.amount::after{
  content:"Üyeliğe özel";margin-left:auto;align-self:center;
  font-size:.72rem;font-weight:600;color:var(--muted);letter-spacing:0;
}

.card .btn{margin-top:auto}

/* ---------- telegram ---------- */
.tg{
  position:relative;display:grid;gap:16px;
  margin-top:44px;padding:26px 20px;
  border-radius:26px;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#2FB2F0 0%,#2196DA 48%,#1B7FB8 100%);
  box-shadow:0 26px 50px -28px rgba(27,127,184,.95);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.tg-glow{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 90% at 88% 8%,rgba(255,255,255,.3),transparent 62%),
    radial-gradient(50% 80% at 4% 96%,rgba(10,60,95,.34),transparent 60%);
}
.tg-icon,.tg-body,.tg-btn{position:relative;z-index:1}

.tg-icon{
  display:grid;place-items:center;width:56px;height:56px;border-radius:18px;flex:none;
  background:rgba(255,255,255,.17);
  border:1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.tg-icon svg{width:28px;height:28px}

.tg-kicker{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;opacity:.86;
}
.tg-name{display:block;margin-top:2px;font-size:1.55rem;font-weight:800;letter-spacing:-.035em;line-height:1.2}
.tg-desc{display:block;margin-top:7px;font-size:.92rem;line-height:1.55;opacity:.92;max-width:52ch}

.tg-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 22px;border-radius:14px;
  font-size:1rem;font-weight:750;color:#12719F;background:#fff;
  box-shadow:0 12px 24px -14px rgba(4,42,66,.9);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tg-btn .ic{transition:transform .25s var(--ease)}

/* ---------- footer ---------- */
.ftr{margin-top:48px;border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.ftr-in{padding:26px 18px 30px;text-align:center;display:grid;gap:12px;justify-items:center}
.ftr-brand{display:inline-flex;align-items:center;gap:9px}
.ftr-note{max-width:62ch;color:var(--muted);font-size:.82rem;line-height:1.6}
.ftr-meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:8px 12px;color:var(--muted);font-size:.8rem;font-weight:500;
}
.age{
  display:grid;place-items:center;min-width:34px;height:22px;padding:0 7px;border-radius:999px;
  background:#FDE8E6;color:#C42A18;font-size:.7rem;font-weight:800;border:1px solid #F8C9C3;
}

/* ---------- mobile sticky bar ---------- */
.mbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:flex;align-items:center;gap:12px;
  padding:9px 14px calc(9px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-top:1px solid var(--line);
  box-shadow:0 -10px 30px -24px rgba(14,23,41,.9);
}
.mbar-txt{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.mbar-txt b{font-size:.9rem;font-weight:750;letter-spacing:-.02em}
.mbar-txt i{font-style:normal;font-size:.76rem;color:var(--muted)}
.mbar-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  margin-left:auto;min-height:44px;padding:0 20px;border-radius:13px;
  font-size:.95rem;font-weight:700;color:#fff;flex:none;
  background:linear-gradient(180deg,#31ADEA,#1D8FC4);
  box-shadow:0 10px 22px -13px rgba(29,143,196,1);
}
.mbar-btn:active{transform:scale(.97)}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(16px)}
.js .reveal.in{
  opacity:1;transform:none;
  transition:opacity .55s ease,transform .6s var(--ease);
}

/* ---------- rehber: liste ---------- */
.guides{margin-top:44px}
.guide-grid{display:grid;gap:12px;margin-top:16px}
.guide{
  display:flex;align-items:flex-start;gap:13px;
  padding:16px 16px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s ease;
}
.guide-ic{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;flex:none;
  color:var(--accent);background:rgba(14,165,164,.1);border:1px solid rgba(14,165,164,.2);
}
.guide-ic svg{width:19px;height:19px}
.guide-txt{display:flex;flex-direction:column;min-width:0}
.guide-txt b{font-size:1rem;font-weight:700;letter-spacing:-.02em;line-height:1.35}
.guide-txt span{margin-top:2px;font-size:.85rem;color:var(--muted);line-height:1.5}

/* ---------- rehber: makale ---------- */
.crumb{
  display:flex;align-items:center;gap:7px;flex-wrap:wrap;
  padding-top:20px;font-size:.82rem;color:var(--muted);font-weight:500;
}
.crumb a{color:var(--accent);font-weight:600}
.crumb a:hover{text-decoration:underline}
.crumb svg{width:13px;height:13px;opacity:.5;flex:none}

.art{max-width:760px;margin:0 auto}
.art-head{padding:14px 0 4px}
.art-head h1{font-size:clamp(1.6rem,6.2vw,2.4rem);font-weight:800;letter-spacing:-.035em;line-height:1.18}
.art-head .sub{margin-top:10px;color:var(--muted);font-size:1rem;line-height:1.6}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  margin-top:14px;padding-bottom:18px;border-bottom:1px solid var(--line);
  font-size:.8rem;color:var(--muted);font-weight:500;
}
.art-meta span{display:inline-flex;align-items:center;gap:6px}
.art-meta svg{width:14px;height:14px;opacity:.7}

.art-body{padding:4px 0 8px}
.art-body h2{
  margin:32px 0 10px;font-size:clamp(1.18rem,4.6vw,1.5rem);
  font-weight:800;letter-spacing:-.03em;line-height:1.3;
}
.art-body h3{margin:24px 0 8px;font-size:1.06rem;font-weight:750;letter-spacing:-.02em}
.art-body p{margin:12px 0;line-height:1.75}
.art-body strong{font-weight:700}
.art-body a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:2px}

.art-body ul,.art-body ol{margin:12px 0;padding-left:0;list-style:none}
.art-body ol{counter-reset:step}
.art-body ul li,.art-body ol li{position:relative;padding-left:26px;margin:9px 0;line-height:1.7}
.art-body ul li::before{
  content:"";position:absolute;left:6px;top:.68em;
  width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.55;
}
.art-body ol li{counter-increment:step;padding-left:32px}
.art-body ol li::before{
  content:counter(step);position:absolute;left:0;top:.12em;
  display:grid;place-items:center;width:22px;height:22px;border-radius:7px;
  background:rgba(14,165,164,.12);color:var(--accent);
  font-size:.76rem;font-weight:800;
}

.box{
  margin:20px 0;padding:16px 18px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.box b{display:block;margin-bottom:6px;font-size:.95rem;font-weight:750}
.box p{margin:6px 0}
.box.calc{background:rgba(14,165,164,.06);border-color:rgba(14,165,164,.22);box-shadow:none}
.box.warn{background:#FFF6ED;border-color:#FBD9B4;box-shadow:none}
.box.warn b{color:#9A5008}

.calc-row{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;
  padding:9px 0;border-top:1px dashed rgba(14,23,41,.13);
  font-size:.95rem;
}
.calc-row:first-of-type{border-top:0}
.calc-row i{font-style:normal;color:var(--muted);flex:1;min-width:150px}
.calc-row b{margin:0;font-size:1rem;font-weight:800;letter-spacing:-.02em}
.calc-total b{color:var(--accent)}

.tbl-wrap{margin:20px 0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl{
  width:100%;min-width:460px;border-collapse:collapse;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  font-size:.9rem;
}
.tbl th,.tbl td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line-2)}
.tbl th{background:#F4F7FA;font-weight:750;font-size:.83rem;letter-spacing:-.01em}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:650}

.qa{margin:14px 0;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1)}
.qa h3{margin:0 0 6px;font-size:1.02rem;font-weight:750;letter-spacing:-.02em}
.qa p{margin:0;color:var(--muted);line-height:1.7}

.art-cta{
  display:grid;gap:14px;margin:34px 0 8px;padding:22px 20px;
  border-radius:var(--r-lg);text-align:center;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2);
}
.art-cta b{font-size:1.12rem;font-weight:800;letter-spacing:-.028em}
.art-cta p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.6}
.art-cta a{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:13px;justify-self:center;
  font-weight:700;color:#fff;
  background:linear-gradient(180deg,var(--accent-2),var(--accent));
  box-shadow:0 12px 24px -14px rgba(14,165,164,.95);
}
.art-cta a .ic{transition:transform .25s var(--ease)}

.hub-grid{margin:20px 0 0}
.art-next{margin:30px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.art-next b{display:block;margin-bottom:12px;font-size:.95rem;font-weight:750}

/* ---------- responsive ---------- */
@media (min-width:480px){
  .hdr-cta{width:auto;padding:0 15px}
  .hdr-cta span{display:inline}
}

@media (min-width:640px){
  .wrap{padding:0 26px}
  .first{padding-top:30px}
  .grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .art-head{padding:18px 0 6px}
  .box{padding:18px 22px}
  .art-cta{padding:28px 26px}
  .card{padding:20px 18px 18px}

  .intro .grid{margin-top:26px}

  .tg{grid-template-columns:auto 1fr;align-items:center;gap:20px;padding:32px 30px}
  .tg-btn{grid-column:1 / -1}

  .ftr-in{padding:32px 26px 36px}
}

@media (min-width:900px){
  .first{padding-top:38px}
  .grid{grid-template-columns:repeat(3,1fr)}
  .sec-head{margin:44px 0 20px}

  .tg{grid-template-columns:auto 1fr auto;padding:34px 36px;margin-top:56px}
  .tg-btn{grid-column:auto;min-width:200px}
  .tg-name{font-size:1.75rem}
}

@media (min-width:860px){
  body{padding-bottom:0}
  .mbar{display:none}
}

/* ---------- hover (pointer devices only) ---------- */
@media (hover:hover) and (pointer:fine){
  .card:hover{
    transform:translateY(-5px);
    border-color:rgba(var(--brand-rgb),.42);
    box-shadow:0 26px 46px -26px rgba(var(--brand-rgb),.85), var(--sh-1);
  }
  .card:hover::before{opacity:1}
  .guide:hover{
    transform:translateY(-3px);border-color:rgba(14,165,164,.4);
    box-shadow:0 20px 36px -24px rgba(14,165,164,.8), var(--sh-1);
  }
  .art-cta a:hover .ic{transform:translateX(4px)}
  .card:hover .btn{filter:saturate(112%) brightness(1.03)}
  .card:hover .btn .ic,
  .tg:hover .tg-btn .ic{transform:translateX(4px)}
  .tg:hover{transform:translateY(-4px);box-shadow:0 34px 58px -28px rgba(27,127,184,1)}
  .tg:hover .tg-btn{transform:translateY(-1px)}
}

.card:active,.tg:active{transform:scale(.99)}

:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:8px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .js .reveal{opacity:1;transform:none}
}