/* ==========================================================================
   base.css — tum sayfalarda ortak
   Token'lar, reset, nav, butonlar, bolum basliklari, scroll animasyonu, footer
   ========================================================================== */

:root {
  --plum: #5E2563;
  --plum-deep: #3A1240;
  --plum-dark: #2B0E30;
  --purple-mid: #7A3D9E;
  --purple-soft: #9B6BB5;
  --navy: #151929;
  --navy-mid: #1E2338;
  --slate: #3A3F5C;
  --white: #FFFFFF;
  --cream: #FAF9FC;
  --stone: #F0EEF3;
  --border: #E2DFE8;
  --text: #4A4560;
  --text-light: #8A849A;
  --accent-gradient: linear-gradient(135deg, var(--plum-deep), var(--purple-mid) 60%, #6A7FD4);
  --fd: 'Cormorant Garamond', Georgia, serif;
  --fb: 'Outfit', system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  /* Icerik kolonu genisligi: ekranla birlikte buyur, 1600px'i gecme */
  --max: min(1600px, 90vw);
  --nav-h: 56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);color:var(--navy);background:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased;font-variant-numeric:lining-nums;font-feature-settings:"lnum" 1}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}

/* === NAV === */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:.4rem 4%;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(94,37,99,.05);transition:all .4s var(--ease)}
nav.scrolled{padding:.3rem 4%;box-shadow:0 4px 40px rgba(58,18,64,.07)}
/* Nav'in kendisi kenardan kenara uzanir (arka plan/blur icin), icerigi ise
   bolum basliklariyla ayni cizgide baslasin diye --max ile sinirlanir. */
.nav-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center}
/* Gercek seffaf logo kilidi; Mert'in notu uzerine buyutuldu (100 -> 165px). */
.logo img{width:165px;height:auto;object-fit:contain;transition:width .3s var(--ease)}
nav.scrolled .logo img{width:140px}
.nav-menu{display:flex;list-style:none;gap:2rem;align-items:center}
.nav-menu a{font-size:.8rem;font-weight:500;letter-spacing:.04em;color:var(--slate);transition:color .3s}
.nav-menu a:hover{color:var(--plum)}
.nav-menu a.active{color:var(--plum);position:relative}
.nav-menu a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:1.5px;background:var(--accent-gradient);border-radius:2px}
.nav-cta{background:var(--accent-gradient)!important;color:#fff!important;padding:.45rem 1.2rem;border-radius:6px;font-weight:600!important;transition:transform .3s,box-shadow .3s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(94,37,99,.28)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:101}
.burger span{width:24px;height:2px;background:var(--navy);transition:all .3s}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
/* Nav yuksekligi — site.js olcup :root uzerinde gunceller.
   Sticky elemanlar (ornegin projects.html filtre bari) top:var(--nav-h) kullanir. */

/* === BUTTONS === */
/* DUM FLEX™ ticari marka isareti — her yazi boyutuna orantili kucuk kalir */
.tm{font-size:.5em;vertical-align:.55em;letter-spacing:0;font-weight:500;line-height:0}

.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:.5rem;font-family:var(--fb);font-weight:600;font-size:.9rem;padding:.9rem 2rem;border-radius:9px;border:none;cursor:pointer;transition:all .3s var(--ease)}
.btn:active{transform:translateY(0) scale(.97)}
.btn:focus-visible{outline:2px solid var(--purple-mid);outline-offset:3px}
.btn-fill{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px rgba(94,37,99,.18),inset 0 1px 0 rgba(255,255,255,.18)}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(94,37,99,.32),0 4px 12px rgba(106,127,212,.18),inset 0 1px 0 rgba(255,255,255,.22)}
/* Hover'da soldan saga gecen isik supurmesi */
.btn-fill::before{content:'';position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.38),transparent);transform:skewX(-20deg);transition:left .65s var(--ease);pointer-events:none}
.btn-fill:hover::before{left:130%}
.btn-line{border:1.5px solid var(--border);color:var(--navy);background:transparent}
/* Hover: kenarlik gradyana doner (cift arkaplan: ic beyaz, kenar gradyan) */
.btn-line:hover{border-color:transparent;color:var(--plum);background:linear-gradient(var(--white),var(--white)) padding-box,var(--accent-gradient) border-box;transform:translateY(-2px);box-shadow:0 10px 30px rgba(94,37,99,.13)}
.btn-line-dark{border:1.5px solid var(--border);color:var(--navy);background:transparent}
.btn-line-dark:hover{border-color:transparent;color:var(--plum);background:linear-gradient(var(--white),var(--white)) padding-box,var(--accent-gradient) border-box;transform:translateY(-2px);box-shadow:0 10px 30px rgba(94,37,99,.13)}

/* === SECTIONS === */
.sec{padding:6.5rem 4%}
.sec-cream{background:var(--cream)}
.sec-dark{background:var(--navy);color:#fff}
.sec-head{max-width:var(--max);margin:0 auto 3.5rem}
.sec-tag{display:inline-flex;align-items:center;gap:.7rem;font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--plum);margin-bottom:1rem}
.sec-dark .sec-tag{color:var(--purple-soft)}
.sec-tag::before{content:'';width:26px;height:1.5px;background:var(--accent-gradient)}
.sec-title{font-family:var(--fd);font-size:clamp(1.9rem,3.8vw,2.8rem);font-weight:700;line-height:1.15;max-width:600px}
.sec-dark .sec-title{color:#fff}
.sec-sub{font-size:1rem;color:var(--text);line-height:1.7;max-width:520px;margin-top:.8rem}
.sec-dark .sec-sub{color:rgba(255,255,255,.55)}

/* === SCROLL ANIMATIONS === */
.anim-fade{opacity:0;transform:translateY(30px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.anim-fade.visible{opacity:1;transform:translateY(0)}
.anim-fade.visible:hover{transform:translateY(-6px)}

/* === FOOTER === */
footer{background:var(--navy);color:rgba(255,255,255,.6);padding:4.5rem 4% 2rem}
.ft-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.06)}
.ft-brand p{font-size:.87rem;line-height:1.7;margin-top:1rem;max-width:280px}
.ft-col h4{color:#fff;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;margin-bottom:1rem}
.ft-col a{display:block;color:rgba(255,255,255,.4);font-size:.87rem;margin-bottom:.6rem;transition:color .3s}
.ft-col a:hover{color:var(--purple-soft)}
.ft-bottom{max-width:var(--max);margin:0 auto;padding-top:1.8rem;display:flex;justify-content:space-between;align-items:center;font-size:.78rem;color:rgba(255,255,255,.25)}
.ft-social{display:flex;gap:.8rem}
.ft-social a{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);font-size:.8rem;transition:all .3s}
.ft-social a:hover{background:var(--accent-gradient);border-color:transparent;color:#fff}

/* === SSS AKORDIYON ===
   Birden fazla sayfada kullaniliyor (index, bespoke, dum-flex).
   Koyu bolum (.sec-dark) icinde durmak uzere tasarlandi. */
.faq-box{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:.8rem}
.faq-i{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:14px;overflow:hidden;transition:all .4s var(--ease)}
.faq-i:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1)}
.faq-i.on{background:rgba(255,255,255,.07);border-color:rgba(168,85,199,.2);box-shadow:0 8px 32px rgba(94,37,99,.15)}
.faq-q{width:100%;background:none;border:none;cursor:pointer;padding:1.4rem 1.8rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;text-align:left;font-family:var(--fb);font-size:1rem;font-weight:600;color:rgba(255,255,255,.9);transition:color .3s}
.faq-q:hover{color:#fff}
.faq-icon{width:34px;height:34px;min-width:34px;border-radius:10px;border:1.5px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;transition:all .4s var(--ease);font-size:1.1rem;color:var(--purple-soft);background:rgba(255,255,255,.03)}
.faq-i.on .faq-icon{background:var(--accent-gradient);border-color:transparent;color:#fff;transform:rotate(45deg);box-shadow:0 4px 16px rgba(94,37,99,.3)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease),padding .5s var(--ease)}
.faq-i.on .faq-a{max-height:280px;padding:0 1.8rem 1.4rem}
.faq-a p{font-size:.9rem;color:rgba(255,255,255,.5);line-height:1.85;padding-right:3rem}

/* === RESPONSIVE (ortak) === */
@media(max-width:1024px){
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-menu{display:flex;flex-direction:column;position:fixed;inset:0;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);justify-content:center;align-items:center;gap:2rem;z-index:99;opacity:0;pointer-events:none;transition:all .4s var(--ease)}
  .nav-menu.open{opacity:1;pointer-events:all}
  .nav-menu a{font-size:1.15rem}
  .burger{display:flex}
  .ft-grid{grid-template-columns:1fr}
  .ft-bottom{flex-direction:column;gap:1rem;text-align:center}
}

/* === FORM ONAY KUTULARI (consent) ===
   Dort formda ortak: zorunlu T&C onayi + istege bagli pazarlama izni.
   Acik zemin varsayilan; koyu panel varyantlari sayfa CSS'lerinde. */
.consent{display:flex;flex-direction:column;gap:.55rem;margin:.2rem 0}
.consent-row{display:flex;align-items:flex-start;gap:.6rem;cursor:pointer}
.consent-row input[type=checkbox]{width:17px;height:17px;min-width:17px;margin-top:.14em;accent-color:var(--plum);cursor:pointer}
.consent-row span{font-size:.8rem;color:var(--text);line-height:1.55;text-transform:none;letter-spacing:0;font-weight:400}
.consent-row a{color:var(--plum);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.consent-row.invalid span{color:#C2416B}
.consent-row.invalid input[type=checkbox]{outline:2px solid #C2416B;outline-offset:2px;border-radius:3px}

/* Kunye: telif + kayitli ofis iki kucuk satir halinde */
.ft-bottom>span:first-child,.ft-reg{display:block}
.ft-reg{font-size:.7rem;color:rgba(255,255,255,.18);margin-top:.3rem}

/* === VIDEO POPUP (site.js [data-video]) === */
.vlb{position:fixed;inset:0;z-index:400;background:rgba(10,8,18,.94);display:flex;align-items:center;justify-content:center;padding:4vh 4%}
.vlb-box{position:relative;width:min(1100px,100%)}
.vlb-frame{aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;box-shadow:0 40px 120px rgba(0,0,0,.6)}
.vlb-frame iframe{width:100%;height:100%;border:0;display:block}
.vlb-close{position:absolute;top:-52px;right:0;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .3s}
.vlb-close:hover{background:rgba(255,255,255,.18)}
[data-video]{cursor:pointer}