/* Cezeri Yazılım — alt sayfalar için ortak tasarım sistemi (ana sayfadaki kreatif yönle aynı) */
@property --sa{syntax:'<number>';inherits:false;initial-value:0}

*{box-sizing:border-box}
:root{
  --ink:#121218; --ink-2:#18181F; --ink-3:#22222C;
  --paper:#FDFBF6; --paper-2:#F5F0EA;
  --tx:#16161D; --tx-mut:#5E5D6A;
  --tx-d:#F5F3EE; --tx-d-mut:#A3A2AE;
  --brass:#FF6A26; --brass-lt:#FF7A1A; --brass-dp:#C2410C; --gold:#FFB38A;
  --patina:#1B5F5B; --patina-lt:#55BDB6;
  --rose:#E0658A; --violet:#8B7BF0; --orange:#F08A4B; --leaf:#4FB36E;
  --line:rgba(22,22,29,.10); --line-d:rgba(245,243,238,.14);
  --r-lg:20px; --r-md:12px; --r-sm:8px; --r-pill:999px;
  --ease:cubic-bezier(.22,1,.36,1);
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--tx);
  font-family:'IBM Plex Sans',system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Sora',system-ui,sans-serif;margin:0;letter-spacing:-.026em;line-height:1.14;font-weight:700}
p{margin:0} ul{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
svg{display:block}
img{max-width:100%}
::selection{background:var(--brass-lt);color:#17120A}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
[id]{scroll-margin-top:96px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--tx-d);
  padding:12px 20px;border-radius:var(--r-sm);font-weight:600}
.skip:focus{left:14px;top:14px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brass-lt);outline-offset:3px;border-radius:6px}
.grain::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:var(--grain);
  opacity:.09;mix-blend-mode:overlay;z-index:1}
.logo-white{filter:brightness(0) invert(1)}
.nw{white-space:nowrap}

/* ---- hareket ---- */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes spinBack{to{transform:rotate(-360deg)}}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes rvIn{from{opacity:0;translate:0 40px}to{opacity:1;translate:0 0}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes shimmer{to{background-position:200% 0}}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}100%{transform:scale(2.8);opacity:0}}
@keyframes drift1{to{transform:translate(-12%,14%) scale(1.12)}}
@keyframes drift2{to{transform:translate(14%,-12%) scale(1.2)}}
@keyframes drift3{to{transform:translate(18%,16%) scale(.86)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes airflow{to{stroke-dashoffset:-28}}

.rise{opacity:0;animation:rise .8s var(--ease) forwards}
.d1{animation-delay:.05s} .d2{animation-delay:.14s} .d3{animation-delay:.23s} .d4{animation-delay:.32s}
.js .rv{opacity:0}
.js .rv.in{animation:rvIn .95s var(--ease) both;animation-delay:calc(var(--d,0) * 110ms)}

/* ---- ortak ---- */
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;display:flex;align-items:center;gap:12px;
  color:var(--brass-dp)}
.eyebrow.on-dark{color:var(--brass-lt)}
.ey-num{font-variant-numeric:tabular-nums}
.ey-rule{width:34px;height:1px;background:currentColor;opacity:.4}
.ey-pulse{position:relative;width:8px;height:8px;border-radius:50%;background:var(--a1,var(--brass-lt));flex-shrink:0}
.ey-pulse::after{content:"";position:absolute;inset:0;border-radius:50%;background:inherit;
  animation:pulse 1.8s ease-out infinite}

.card{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,50%),rgba(255,106,38,var(--sa)),transparent 42%),#fff;
  transition:transform .4s var(--ease),box-shadow .4s,border-color .4s,--sa .4s}
.card:hover{--sa:.16;transform:translateY(-6px);box-shadow:0 30px 60px -32px rgba(18,18,24,.42);
  border-color:rgba(255,106,38,.45)}

.btn{position:relative;display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;
  padding:15px 28px;border-radius:var(--r-pill);overflow:hidden;isolation:isolate;border:0;cursor:pointer;
  font-family:inherit;
  transition:transform .2s var(--ease),box-shadow .2s,background .2s,border-color .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:17px;height:17px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-p{background:var(--brass-lt);color:#17120A;box-shadow:0 16px 32px -14px rgba(255,106,38,.55)}
.btn-p::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.6) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .8s var(--ease)}
.btn-p:hover::after{transform:translateX(120%)}
.btn-g{border:1px solid var(--line-d);color:var(--tx-d);background:rgba(255,255,255,.03)}
.btn-g:hover{border-color:var(--brass-lt);color:#fff;background:rgba(255,255,255,.07)}
.btn-o{border:1px solid rgba(22,22,29,.2);color:var(--tx);background:transparent}
.btn-o:hover{border-color:var(--tx);background:var(--tx);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}

.ticks{display:flex;flex-direction:column;gap:11px}
.ticks li{position:relative;padding-left:30px;font-size:15px;line-height:1.55;color:#42414D}
.ticks li::before{content:"";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;
  background:color-mix(in srgb,var(--acc,#1B5F5B) 16%,transparent)}
.ticks li::after{content:"";position:absolute;left:7px;top:6px;width:5px;height:9px;
  border:solid var(--acc-dp,#1B5F5B);border-width:0 2px 2px 0;transform:rotate(45deg)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:12.5px;padding:7px 14px;border:1px solid var(--line);border-radius:var(--r-pill);
  color:#42414D;background:#fff}

/* ---- ilerleme çubuğu ---- */
.progress{position:fixed;left:0;top:0;width:100%;height:3px;z-index:90;pointer-events:none;
  transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--brass),var(--gold),var(--patina-lt))}

/* ---- üst menü ---- */
header{position:sticky;top:0;z-index:60;background:rgba(253,251,246,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:20px 0}
.logo{display:flex;align-items:flex-end;gap:10px;flex-shrink:0}
.logo-img{display:block;height:46px;width:auto}
.logo-sub{display:none} /* "YAZILIM" artık logo dosyasının içinde */
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:14.5px;font-weight:500;color:#42414D;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;
  background:var(--brass);transition:width .28s var(--ease)}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--tx)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-tel{font-family:'IBM Plex Mono',monospace;font-size:13px;color:#42414D;
  display:flex;align-items:center;gap:7px}
.nav-tel svg{width:14px;height:14px;color:var(--brass-dp)}
.nav-btn{background:var(--ink);color:var(--tx-d);font-weight:600;font-size:13.5px;
  padding:12px 22px;border-radius:var(--r-pill);white-space:nowrap;transition:background .2s,transform .2s}
.nav-btn:hover{background:var(--ink-3);transform:translateY(-1px)}
.mnav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;padding:8px 20px 18px;
  background:var(--paper);border-top:1px solid var(--line);box-shadow:0 24px 40px -24px rgba(18,18,24,.45)}
.mnav a{font-size:16px;font-weight:500;color:#42414D;padding:13px 4px;border-bottom:1px solid var(--line)}
.mnav a:last-child{border-bottom:0}
.mnav a[aria-current="page"]{color:var(--brass-dp);font-weight:600}
.mtoggle{display:none;position:relative;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:none;cursor:pointer;flex-shrink:0}
.mtoggle span{position:absolute;left:13px;width:18px;height:1.8px;border-radius:2px;background:var(--tx);
  transition:transform .3s var(--ease),opacity .2s}
.mtoggle span:nth-child(1){top:15px} .mtoggle span:nth-child(2){top:21px} .mtoggle span:nth-child(3){top:27px}
header.menu-open .mtoggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
header.menu-open .mtoggle span:nth-child(2){opacity:0}
header.menu-open .mtoggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---- sayfa başlığı ---- */
.phero{--a1:#FF7A1A;--a2:#FF2E7E;--a3:#1B5F5B;
  position:relative;overflow:hidden;background:var(--ink);color:var(--tx-d);padding:88px 0 96px}
.aurora{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.aurora i{position:absolute;border-radius:50%;will-change:transform}
.aurora .b1{width:900px;height:900px;right:-300px;top:-460px;opacity:.34;
  background:radial-gradient(circle,var(--a1) 0%,transparent 64%);animation:drift1 24s ease-in-out infinite alternate}
.aurora .b2{width:760px;height:760px;right:14%;bottom:-560px;opacity:.26;
  background:radial-gradient(circle,var(--a2) 0%,transparent 62%);animation:drift2 28s ease-in-out infinite alternate}
.aurora .b3{width:640px;height:640px;left:-300px;top:-280px;opacity:.32;
  background:radial-gradient(circle,var(--a3) 0%,transparent 64%);animation:drift3 32s ease-in-out infinite alternate}
.hero-grid{position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(245,243,238,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(245,243,238,.05) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 55% 80% at 78% 40%,#000 15%,transparent 72%);
  mask-image:radial-gradient(ellipse 55% 80% at 78% 40%,#000 15%,transparent 72%)}
.ph-gear{position:absolute;pointer-events:none;z-index:1}
.ph-gear.g1{width:420px;height:420px;right:-90px;top:50%;margin-top:-250px;color:var(--a1);opacity:.4;
  animation:spin 80s linear infinite}
.ph-gear.g2{width:190px;height:190px;right:270px;bottom:-70px;color:var(--a2);opacity:.38;
  animation:spinBack 46s linear infinite}
.ph-word{position:absolute;right:28px;bottom:-.2em;z-index:1;font-family:'Sora',sans-serif;font-weight:800;
  font-size:clamp(4.5rem,13vw,11rem);line-height:1;letter-spacing:-.06em;color:transparent;
  -webkit-text-stroke:1.2px rgba(245,243,238,.1);pointer-events:none;white-space:nowrap}
.ph-in{position:relative;z-index:2}
.ph-in>*{max-width:780px}
.crumb{display:flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:12px;
  letter-spacing:.06em;color:var(--tx-d-mut)}
.crumb a:hover{color:#fff}
.crumb span[aria-hidden]{opacity:.5}
.phero .eyebrow{margin-top:34px}
.phero h1{font-size:clamp(2.3rem,5vw,4rem);margin-top:20px;color:#fff;letter-spacing:-.04em;line-height:1.06}
.phero h1 em,.grad{font-style:normal;color:var(--brass-lt);
  background:linear-gradient(90deg,var(--brass-lt) 0%,#FF5C93 25%,var(--brass-lt) 50%,#FF5C93 75%,var(--brass-lt) 100%);
  background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:shimmer 6s linear infinite}
.ph-lead{margin-top:24px;font-size:18px;line-height:1.75;color:var(--tx-d-mut);max-width:620px}
.ph-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.ph-chips a{display:inline-flex;align-items:center;gap:9px;padding:10px 16px 10px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-d);background:rgba(255,255,255,.04);font-size:14px;font-weight:500;color:var(--tx-d);
  transition:border-color .25s,background .25s,transform .25s var(--ease)}
.ph-chips a:hover{border-color:var(--c,var(--brass-lt));background:rgba(255,255,255,.08);transform:translateY(-2px)}
.ph-chips i{width:9px;height:9px;border-radius:50%;background:var(--c,var(--brass-lt));
  box-shadow:0 0 0 4px color-mix(in srgb,var(--c,#FF7A1A) 22%,transparent)}

/* tek şerit */
.strip{position:relative;height:92px;overflow:hidden;background:var(--paper-2)}
.strip .band{position:absolute;left:-6%;width:112%;top:50%;padding:14px 0;white-space:nowrap;overflow:hidden;
  background:var(--brass-lt);color:#17120A;transform:translateY(-50%) rotate(-1.8deg);
  box-shadow:0 14px 30px -16px rgba(18,18,24,.55)}
.band-track{display:inline-flex;width:max-content;animation:marquee 40s linear infinite}
.band-track span{display:inline-flex;align-items:center;gap:22px;padding-right:22px;
  font-family:'Sora',sans-serif;font-weight:700;font-size:18px;letter-spacing:-.01em}
.band-track svg{width:18px;height:18px;flex-shrink:0}

/* ---- bölümler ---- */
section{padding:120px 0}
.sec-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(2rem,3.6vw,2.9rem);margin-top:20px;max-width:680px;letter-spacing:-.032em}
.sec-head p{color:var(--tx-mut);font-size:16px;max-width:390px;line-height:1.75}
.sec-head h2 em{font-style:normal;color:var(--brass)}

/* süreç: dişli dizisi */
.proc{position:relative;background:var(--ink-2);color:var(--tx-d);overflow:hidden}
.proc::before{content:"";position:absolute;width:760px;height:760px;right:-260px;top:-300px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,95,91,.55),transparent 65%);pointer-events:none}
.proc .wrap{position:relative;z-index:2}
.proc h2{color:#fff}
.proc .sec-head p{color:var(--tx-d-mut)}
.train{position:relative;margin-top:68px}
.train-line{position:absolute;left:46px;right:46px;top:45px;height:2px;background:var(--line-d)}
.train-line i{position:absolute;inset:0;background:linear-gradient(90deg,var(--brass-lt),var(--patina-lt));
  transform:scaleX(var(--p,0));transform-origin:0 50%}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px}
.step-gear{position:relative;width:92px;height:92px;display:grid;place-items:center;border-radius:50%;background:var(--ink-2)}
.step-gear svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(calc(var(--rot,0) * 1deg))}
.step:nth-child(even) .step-gear svg{transform:rotate(calc(var(--rot,0) * -1.33deg))}
.step-gear span{position:relative;font-family:'IBM Plex Mono',monospace;font-size:14px;font-weight:500;color:#fff}
.step h3{font-size:20px;margin-top:26px;color:#fff}
.step p{margin-top:11px;font-size:14.5px;line-height:1.7;color:var(--tx-d-mut)}

/* kapanış */
.cta{position:relative;overflow:hidden;color:var(--tx-d);padding:120px 0;
  background:radial-gradient(60% 90% at 88% 40%,rgba(255,106,38,.42),transparent 62%),
    radial-gradient(55% 80% at 8% 110%,rgba(27,95,91,.6),transparent 60%),var(--ink)}
.cta-gear{position:absolute;right:-150px;top:50%;width:560px;height:560px;margin-top:-280px;color:var(--brass-lt);
  opacity:.22;animation:spin 70s linear infinite;pointer-events:none}
.cta-gear.small{right:330px;top:auto;bottom:-120px;width:240px;height:240px;margin:0;color:var(--patina-lt);
  opacity:.25;animation:spinBack 40s linear infinite}
.cta-in{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cta h2{font-size:clamp(2rem,3.8vw,3.1rem);color:#fff;max-width:640px;letter-spacing:-.035em}
.cta h2 em{font-style:normal;color:var(--gold)}
.cta p{margin-top:20px;color:var(--tx-d-mut);font-size:17px;line-height:1.75;max-width:540px}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
footer{background:var(--ink-2);color:var(--tx-d);padding:76px 0 34px;border-top:1px solid var(--line-d)}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}
.fgrid h3{font-family:'IBM Plex Mono',monospace;font-size:11.5px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--brass-lt);margin-bottom:20px}
.fcol a,.fcol span{display:block;font-size:14px;color:var(--tx-d-mut);margin-bottom:12px;transition:color .2s}
.fcol a:hover{color:var(--tx-d)}
.fabout .logo-sub{color:var(--tx-d-mut)}
.fabout p{font-size:14px;line-height:1.75;color:var(--tx-d-mut);margin-top:20px;max-width:290px}
.fpartner{display:inline-flex;flex-direction:column;gap:10px;margin-top:26px;padding:14px 18px;
  border:1px solid var(--line-d);border-radius:14px}
.fpartner span{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--tx-d-mut)}
.fpartner img{display:block;height:24px;width:auto;max-width:160px;object-fit:contain;object-position:left center}
.fp-note{font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:500;letter-spacing:.04em;color:var(--gold)}
.fbot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:60px;padding-top:26px;border-top:1px solid var(--line-d);font-size:12.5px;color:#7F7E8B}

/* ---- duyarlı ---- */
@media(max-width:980px){
  .nav-links,.nav-tel{display:none}
  .mtoggle{display:block}
  header.menu-open .mnav{display:flex}
  .phero{padding:64px 0 72px}
  .ph-gear.g1{width:300px;height:300px;right:-120px;margin-top:-200px}
  .ph-gear.g2{right:120px}
  .fgrid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:900px){
  .train-line{left:45px;right:auto;top:46px;bottom:46px;width:2px;height:auto}
  .train-line i{transform:scaleY(var(--p,0));transform-origin:50% 0}
  .steps{grid-template-columns:1fr;gap:36px}
  .step{display:grid;grid-template-columns:92px minmax(0,1fr);column-gap:24px;align-items:start}
  .step-gear{grid-row:span 2}
  .step h3{margin-top:14px}
}
@media(max-width:720px){
  .wrap{padding:0 20px}
  section{padding:80px 0}
  .phero{padding:40px 0 52px}
  .phero .eyebrow{margin-top:24px}
  .phero h1{font-size:clamp(1.9rem,8.6vw,2.5rem);margin-top:14px}
  .ph-lead{margin-top:16px;font-size:15.5px;line-height:1.65}
  .ph-chips{margin-top:24px;gap:8px}
  .ph-chips a{padding:8px 13px 8px 10px;font-size:13px}
  .ph-gear.g1{width:220px;height:220px;right:-90px;top:26px;margin-top:0;opacity:.3}
  .ph-gear.g2{display:none}
  .ph-word{right:12px}
  .strip{height:72px}
  .band-track span{font-size:15px;gap:16px;padding-right:16px}
  .sec-head h2{font-size:clamp(1.7rem,7.4vw,2.2rem)}
  .fgrid{grid-template-columns:1fr}
  .cta{padding:88px 0}
  .cta-gear{width:380px;height:380px;right:-190px;margin-top:-190px}
  .cta-gear.small{display:none}
}
@media(max-width:600px){
  .logo-sub{display:none}
  .logo-img{height:40px}
  .logo{gap:9px}
  .nav{gap:12px;padding:13px 0}
  .nav-btn{padding:10px 15px;font-size:12.5px}
}
@media(max-width:400px){
  .nav-btn{padding:10px 13px;font-size:12px}
  .logo-img{height:36px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rise,.js .rv{opacity:1}
}