/* ============================================================
   GK PRIME — Kurumsal Tasarım Sistemi
   Marka: lacivert-siyah zemin + şampanya altın + beyaz
   Tipografi: Oswald (atletik condensed başlık) + Manrope (gövde)
   ============================================================ */

:root{
  /* — Renk —————————————————————————— */
  --ink:        #090D16;   /* en koyu lacivert-siyah */
  --ink-1:      #0C1322;   /* hero zemin */
  --ink-2:      #111B2E;   /* koyu panel */
  --ink-3:      #18243B;   /* koyu kart */
  --ink-line:   rgba(255,255,255,.10);
  --ink-line-2: rgba(255,255,255,.06);

  --gold:       #C9A24B;
  --gold-soft:  #D8B86A;
  --gold-light: #ECD79C;
  --gold-deep:  #A67E33;
  --gold-grad:  linear-gradient(135deg,#F0DCA0 0%,#D8B86A 38%,#C9A24B 64%,#A67E33 100%);
  --gold-line:  rgba(201,162,75,.42);

  --paper:      #F6F4EE;   /* sıcak açık zemin */
  --paper-2:    #FFFFFF;
  --paper-3:    #EFEBE0;   /* açık panel */
  --paper-line: #E2DCCD;

  --tx-dark:    #161A20;   /* açık zeminde metin */
  --tx-dark-2:  #4F5763;   /* açık zeminde ikincil */
  --tx-dark-3:  #8A8F98;
  --tx-light:   #FFFFFF;   /* koyu zeminde metin */
  --tx-light-2: #A6B2C4;   /* koyu zeminde ikincil */
  --tx-light-3: #6B7689;

  --red:        #E2231A;   /* Young Cup aksanı (sadece turnuva) */
  --red-deep:   #B4140C;

  /* — Tipografi —————————————————————— */
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body:    "Manrope", system-ui, sans-serif;

  /* — Ölçü —————————————————————————— */
  --container: 1280px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --radius-lg: 10px;
  --header-h: 84px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ——— Reset ——————————————————————————— */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  color:var(--tx-dark);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:600;line-height:1.02;letter-spacing:-.01em}
p{margin:0}
::selection{background:var(--gold);color:var(--ink)}

/* ——— Yardımcılar ——————————————————————— */
.container{width:100%;max-width:var(--container);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,9vw,128px)}
.section--tight{padding-block:clamp(48px,6vw,84px)}

.dark{background:var(--ink-1);color:var(--tx-light)}
.darker{background:var(--ink);color:var(--tx-light)}
.light{background:var(--paper);color:var(--tx-dark)}
.white{background:var(--paper-2);color:var(--tx-dark)}

/* Eyebrow — PPTX'teki "GK PRIME KURUCUSU" etiket stili */
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-display);font-weight:600;
  font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);margin-bottom:22px;
}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--gold-grad)}
.eyebrow--center{justify-content:center}
.eyebrow--center::after{content:"";width:30px;height:2px;background:var(--gold-grad)}

/* Başlık ölçekleri */
.display-xl{font-size:clamp(44px,7.4vw,108px);line-height:.94;text-transform:uppercase;letter-spacing:-.015em}
.display-l {font-size:clamp(34px,5vw,68px); line-height:.98;text-transform:uppercase;letter-spacing:-.01em}
.display-m {font-size:clamp(27px,3.4vw,44px);line-height:1.04;text-transform:uppercase}
.display-s {font-size:clamp(21px,2.2vw,28px);line-height:1.1;text-transform:uppercase;letter-spacing:.005em}

.gold-text{color:transparent;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--tx-dark-2);max-width:60ch}
.dark .lead,.darker .lead{color:var(--tx-light-2)}
.muted{color:var(--tx-dark-2)}
.dark .muted,.darker .muted{color:var(--tx-light-2)}

/* ——— Butonlar ——————————————————————— */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:600;
  font-size:14px;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 30px;border:0;border-radius:var(--radius);cursor:pointer;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s,color .35s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-gold{background:var(--gold-grad);color:var(--ink);box-shadow:0 10px 30px -10px rgba(201,162,75,.6)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(201,162,75,.75)}
.btn-outline{background:transparent;border:1.5px solid var(--gold-line);color:var(--gold)}
.btn-outline:hover{background:rgba(201,162,75,.1);border-color:var(--gold)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.btn-ghost{background:transparent;color:inherit;padding-inline:0;letter-spacing:.14em}
.btn-ghost::after{content:"";flex:0 0 24px;height:1.5px;background:currentColor;transition:flex-basis .35s var(--ease)}
.btn-ghost:hover::after{flex-basis:40px}

/* ——— Header ——————————————————————— */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1000;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .4s var(--ease),height .4s var(--ease),border-color .4s,backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header.scrolled{
  height:68px;background:rgba(9,13,22,.86);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom-color:var(--ink-line);
}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.brand img{height:60px;width:auto;transition:height .4s var(--ease)}
.scrolled .brand img{height:40px}

.nav{display:flex;align-items:center;gap:6px}
.nav a{
  font-family:var(--font-display);font-weight:500;font-size:14px;
  letter-spacing:.06em;text-transform:uppercase;color:var(--tx-light);
  padding:10px 14px;border-radius:var(--radius);position:relative;opacity:.86;
  transition:opacity .25s,color .25s;
}
.nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--gold-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:hover{opacity:1;color:#fff}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a.active{color:var(--gold);opacity:1}

.header-cta{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.header-cta .btn{padding:11px 22px;font-size:13px}

.nav-toggle{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:flex-end}
.nav-toggle span{display:block;height:2px;background:#fff;transition:.3s var(--ease)}
.nav-toggle span:nth-child(1){width:26px}
.nav-toggle span:nth-child(2){width:20px}
.nav-toggle span:nth-child(3){width:26px}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);width:26px}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);width:26px}

/* Mobil menü */
.mobile-nav{
  position:fixed;inset:0;z-index:999;background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:0 var(--gutter);
  opacity:0;visibility:hidden;transform:translateY(-12px);transition:.4s var(--ease);
}
body.nav-open .mobile-nav{opacity:1;visibility:visible;transform:none}
.mobile-nav a{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;
  font-size:clamp(28px,8vw,46px);color:var(--tx-light);padding:8px 0;
  border-bottom:1px solid var(--ink-line-2);letter-spacing:-.01em;
  display:flex;justify-content:space-between;align-items:center;
}
.mobile-nav a .idx{font-family:var(--font-body);font-size:14px;color:var(--gold);letter-spacing:.1em}
.mobile-nav a:hover{color:var(--gold)}

/* ——— Footer ——————————————————————— */
.site-footer{background:var(--ink);color:var(--tx-light-2);padding-top:84px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;border-bottom:1px solid var(--ink-line-2)}
.footer-brand img{height:60px;margin-bottom:22px}
.footer-brand p{max-width:34ch;font-size:15px;line-height:1.7}
.footer-col h4{font-family:var(--font-display);font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:20px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:15px;color:var(--tx-light-2);transition:color .25s}
.footer-col a:hover{color:#fff}
.footer-contact li{font-size:15px;line-height:1.6;margin-bottom:14px;color:var(--tx-light-2)}
.footer-contact .lbl{display:block;font-family:var(--font-display);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--tx-light-3);margin-bottom:2px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:28px;flex-wrap:wrap}
.footer-bottom small{font-size:13px;color:var(--tx-light-3);letter-spacing:.02em}
.footer-social{display:flex;gap:10px}
.footer-social a{width:40px;height:40px;border:1px solid var(--ink-line);border-radius:var(--radius);display:grid;place-items:center;transition:.25s var(--ease)}
.footer-social a:hover{border-color:var(--gold);background:rgba(201,162,75,.1);transform:translateY(-2px)}
.footer-social svg{width:17px;height:17px;fill:var(--tx-light-2)}
.footer-social a:hover svg{fill:var(--gold)}
.fifa-badge{font-family:var(--font-display);font-weight:700;letter-spacing:.04em;color:var(--tx-light-2);display:inline-flex;align-items:center;gap:8px;font-size:15px}
.fifa-badge b{color:#fff;font-size:19px}

/* ——— Kart köşe ayracı (PPTX motifi) ——————————— */
.brackets{position:relative}
.brackets::before,.brackets::after{
  content:"";position:absolute;width:18px;height:18px;pointer-events:none;
  border:2px solid var(--gold-line);
}
.brackets::before{top:0;left:0;border-right:0;border-bottom:0}
.brackets::after{bottom:0;right:0;border-left:0;border-top:0}

/* ——— Bölüm başlığı bloğu ——————————————— */
.section-head{max-width:760px;margin-bottom:clamp(40px,5vw,68px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head .lead{margin-top:20px}
.section-head.center .lead{margin-inline:auto}

/* ——— Reveal animasyonları ————————————— */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-reveal="left"]{transform:translateX(-30px)}
[data-reveal][data-reveal="right"]{transform:translateX(30px)}
[data-reveal].in{transform:none}
[data-delay="1"]{transition-delay:.08s}
[data-delay="2"]{transition-delay:.16s}
[data-delay="3"]{transition-delay:.24s}
[data-delay="4"]{transition-delay:.32s}
[data-delay="5"]{transition-delay:.40s}
html[data-motion="off"] [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1!important;transform:none!important;transition:none}
  html{scroll-behavior:auto}
}

/* ——— Tweaks paneli ——————————————— */
.twkx{position:fixed;right:18px;bottom:18px;z-index:2147483646;width:264px;
  background:rgba(12,18,30,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border:1px solid var(--ink-line);border-radius:14px;color:#fff;
  box-shadow:0 20px 60px -16px rgba(0,0,0,.7);overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(10px) scale(.98);transform-origin:bottom right;
  transition:.28s var(--ease);font-family:var(--font-body)}
.twkx.open{opacity:1;visibility:visible;transform:none}
.twkx__hd{display:flex;align-items:center;justify-content:space-between;padding:13px 12px 13px 16px;border-bottom:1px solid var(--ink-line-2)}
.twkx__hd b{font-family:var(--font-display);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:13px;color:var(--gold)}
.twkx__x{appearance:none;border:0;background:transparent;color:var(--tx-light-3);width:24px;height:24px;border-radius:6px;cursor:pointer;font-size:12px}
.twkx__x:hover{background:rgba(255,255,255,.08);color:#fff}
.twkx__body{padding:6px 16px 16px;display:flex;flex-direction:column;gap:13px}
.twkx__sect{font-family:var(--font-display);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--tx-light-3);padding-top:8px}
.twkx__sect:first-child{padding-top:2px}
.twkx__row{display:flex;flex-direction:column;gap:8px}
.twkx__lbl{font-size:13px;font-weight:600;color:var(--tx-light-2)}
.twkx__seg{display:flex;gap:3px;padding:3px;border-radius:9px;background:rgba(255,255,255,.06)}
.twkx__seg button{flex:1;appearance:none;border:0;background:transparent;color:var(--tx-light-2);
  font-family:var(--font-body);font-size:12px;font-weight:600;padding:7px 4px;border-radius:6px;cursor:pointer;transition:.2s;line-height:1.15}
.twkx__seg button:hover{color:#fff}
.twkx__seg button.on{background:var(--gold-grad);color:var(--ink)}

/* ——— Responsive ——————————————————— */
@media (max-width:1080px){
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:880px){
  .nav,.header-cta .btn{display:none}
  .nav-toggle{display:flex}
  .footer-top{grid-template-columns:1fr;gap:36px}
}