:root{
  --bg:#0f1215; --bg-soft:#12181d; --txt:#f8fafc; --sub:#cbd5e1;
  --accent:#10b981; --accent-soft:#34d399; --accent-deep:#059669;
  --glass: rgba(255,255,255,0.06); --border: rgba(255,255,255,0.12);
  --shadow: 0 10px 30px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --radius: 22px; --maxw: 1200px;
}

/* Base */
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:"Manrope",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--txt);
  background:
    radial-gradient(1200px 900px at 80% -10%, rgba(16,185,129,.14), transparent 60%),
    radial-gradient(1200px 900px at -10% 110%, rgba(52,211,153,.10), transparent 60%),
    var(--bg);
  line-height:1.6;
}
h1,h2,h3{font-family:"Space Grotesk","Manrope",system-ui,sans-serif; line-height:1.15}
h1{font-size:clamp(44px,7vw,128px); letter-spacing:-.02em; margin:0 0 .2rem}
h2{font-size:clamp(28px,3.2vw,42px); margin:0 0 .3rem}
h3{font-size:clamp(18px,2vw,24px); margin:0 0 .2rem}
a{color:var(--txt); text-decoration:none} a:hover{opacity:.9}

.section{padding:min(10vh,100px) 20px}
.section .section__head{max-width:var(--maxw); margin:0 auto 28px; padding:0 4px}
.section__title{display:flex; align-items:baseline; gap:12px}
.section__title::after{content:""; height:1px; flex:1; background:linear-gradient(90deg,var(--accent),transparent)}
.section__subtitle{color:var(--sub)}

.grid{display:grid; gap:22px; grid-template-columns:repeat(12,1fr); max-width:var(--maxw); margin:0 auto;}
@media (max-width:1024px){ .grid{grid-template-columns:repeat(8,1fr)} }
@media (max-width:640px){ .grid{grid-template-columns:repeat(4,1fr)} }

.glass{background:var(--glass); border:1px solid var(--border); box-shadow:var(--shadow); backdrop-filter:blur(14px); border-radius:var(--radius)}

/* Background canvas + video parçacıkları */
#bg-fabric{position:fixed; inset:0; z-index:-2; filter:contrast(110%) brightness(105%)}
#bg-videos{position:fixed; inset:0; z-index:-1; pointer-events:none; overflow:hidden}

/* Brand rail */
.vert-logo{
  position:fixed; left:0; top:0; bottom:0; width:86px;
  display:flex; align-items:center; justify-content:center; padding:14px 0;
  border-right:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 15%, transparent 85%, rgba(255,255,255,.02));
}
.vert-logo .brand{display:flex; flex-direction:column; align-items:center; gap:8px}
.brand img{width:44px; height:44px; filter:drop-shadow(0 6px 14px rgba(16,185,129,.25))}
.brand__word{writing-mode:vertical-rl; transform:rotate(180deg); font-weight:800; letter-spacing:.2em}
.brand__tag{writing-mode:vertical-rl; transform:rotate(180deg); font-size:10px; opacity:.8; letter-spacing:.18em; color:var(--accent-soft)}

/* Progress rail */
.progress-rail{
  position:fixed; right:18px; top:0; bottom:0; width:2px;
  background:linear-gradient(180deg, rgba(255,255,255,.08), transparent);
  pointer-events:none; z-index:5;
}
.progress-rail .progress-dot{
  position:absolute; top:0; left:50%; transform:translate(-50%,-50%);
  width:14px; height:14px; border-radius:50%;
  background:radial-gradient(circle at 30% 30%, var(--accent-soft), var(--accent-deep));
  box-shadow:0 0 0 6px rgba(16,185,129,.08), 0 8px 18px rgba(0,0,0,.45);
}

/* Radial nav */
.radial{ position:fixed; bottom:calc(24px + env(safe-area-inset-bottom)); right:calc(24px + env(safe-area-inset-right)); z-index:1000; }
.radial__toggle{
  width:56px; height:56px; border-radius:50%; border:1px solid var(--border);
  display:grid; place-items:center; color:var(--txt);
  background:radial-gradient(circle at 30% 30%, var(--accent-soft), var(--accent));
  box-shadow:var(--shadow); cursor:pointer; position:relative; z-index:1001;
}
.radial__items{margin:0; padding:0; list-style:none; position:relative; width:0; height:0}
.radial__items li{
  position:absolute; left:50%; top:50%;
  transform:translate(-50%,-50%);
  transition:transform .55s cubic-bezier(.2,.65,.2,1), opacity .35s;
  opacity:0;
}
.radial.open .radial__items li{
  --r: clamp(72px, 20vw, 120px);
  --angle: calc(-20deg - var(--i) * 25deg);
  transform: translate(-50%,-50%) rotate(var(--angle)) translate(var(--r)) rotate(calc(-1 * var(--angle)));
  opacity:1;
}
.radial__items a{
  display:grid; place-items:center; width:46px; height:46px; border-radius:50%;
  background:var(--bg-soft); border:1px solid var(--border); box-shadow:var(--shadow);
  font-size:12px; color:var(--txt); position:relative; z-index:1001;
}
.radial__items a::after{ content:attr(data-label); position:absolute; transform:translateY(-42px); font-size:12px; color:var(--sub); white-space:nowrap; opacity:.8; }
.radial__items a.active{outline:2px solid var(--accent-soft); box-shadow:0 0 0 6px rgba(16,185,129,.12), var(--shadow)}
@media (max-width:560px){ .radial.open .radial__items li{ --r: clamp(58px, 24vw, 88px); } }

/* Hero */
.hero{padding:min(14vh,140px) 20px min(10vh,100px)}
.hero__inner{max-width:var(--maxw); margin:0 auto; padding-left:100px}
.hero__tag{display:inline-block; padding:8px 12px; border-radius:999px; color:var(--txt); background:rgba(255,255,255,.06); border:1px solid var(--border); font-size:12px; letter-spacing:.02em}
.hero__title{margin-top:14px; background:linear-gradient(90deg,var(--txt),var(--accent)); -webkit-background-clip:text; background-clip:text; color:transparent; text-shadow:0 10px 30px rgba(16,185,129,.15)}
.hero__kicker{color:var(--sub); font-weight:600; margin:.2rem 0 .8rem}
.hero__desc{color:var(--sub); max-width:720px}
.hero__cta{display:flex; gap:12px; margin:22px 0 18px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; height:44px; padding:0 18px; border-radius:14px; border:1px solid var(--border); background:var(--bg-soft); color:var(--txt); text-decoration:none; font-weight:700; box-shadow:var(--shadow)}
.btn--primary{background:linear-gradient(90deg,var(--accent-deep),var(--accent-soft))}
.btn--ghost{background:transparent}
.hero__badges{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.badge{border:1px solid var(--border); border-radius:999px; padding:6px 10px; font-size:12px; color:var(--sub); background:rgba(255,255,255,.04)}

/* Services — büyütülmüş görünürlük */
.services--big .card{ grid-column: span 6; padding:28px; min-height:220px }
.services--big h3{ font-size:clamp(18px,2.6vw,28px); letter-spacing:.02em }
.services--big .card__icon{ width:64px; height:64px; font-size:22px }
.services-note{ max-width:var(--maxw); margin:10px auto 0; padding:0 4px; color:var(--sub) }
@media (max-width:1024px){ .services--big .card{ grid-column: span 8 } }
@media (max-width:640px){ .services--big .card{ grid-column: span 4 } }

/* Cards */
.card{padding:18px; display:flex; flex-direction:column; gap:10px; border-radius:var(--radius); border:1px solid var(--border); background:var(--glass); box-shadow:var(--shadow)}
.card__icon{width:52px; height:52px; border-radius:14px; display:grid; place-items:center; background:radial-gradient(circle at 20% 20%, var(--accent-soft), var(--accent-deep)); font-weight:800; font-family:'Space Grotesk',sans-serif; box-shadow:var(--shadow)}
.card p{color:var(--sub)}

/* Anchor başlıklar (Referanslar) */
.anchor-head{ max-width:var(--maxw); margin:24px auto 8px; padding-left:100px; color:var(--sub) }
@media (max-width:560px){ .anchor-head{ padding-left:0 } }

/* Portfolio */
.portfolio-filters{ max-width:var(--maxw); margin:0 auto 12px; padding-left:100px; display:flex; gap:10px; flex-wrap:wrap }
.portfolio{ grid-template-columns:repeat(12,1fr) }
.p-card{ grid-column:span 6; padding:12px }
@media (max-width:1024px){ .p-card{ grid-column: span 8 } }
@media (max-width:640px){ .p-card{ grid-column: span 4 } }
.p-thumb{ height:180px; border-radius:16px; background:linear-gradient(135deg, rgba(16,185,129,.25), rgba(5,150,105,.35)); border:1px solid var(--border); box-shadow:var(--shadow) }
/* YouTube thumb placeholder; gerçek görsel koyana kadar ikon görür */
.p-thumb--yt{ position:relative; display:block }
.p-thumb--yt::before{
  content:""; position:absolute; inset:0; border-radius:16px;
  background:linear-gradient(135deg, rgba(16,185,129,.25), rgba(5,150,105,.35));
  border:1px solid var(--border); box-shadow:var(--shadow);
}
.p-thumb--yt::after{
  content:"▶"; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  font-family:"Space Grotesk",sans-serif; font-weight:700; font-size:36px; color:#fff; text-shadow:0 6px 12px rgba(0,0,0,.35);
}
.p-card h3{ margin:10px 0 4px } .p-card p{ margin:0; color:var(--sub) }

/* Contact */
.contact{ grid-template-columns:repeat(12,1fr); align-items:start }
.form{ grid-column: span 7; padding:18px }
.contact__info{ grid-column: span 5; padding:18px }
@media (max-width:1024px){ .form{ grid-column: span 8 } .contact__info{ grid-column: span 8 } }
@media (max-width:640px){ .form, .contact__info{ grid-column: span 4 } }
.form__row{ display:flex; flex-direction:column; gap:6px; margin-bottom:12px }
label{ font-size:12px; color:var(--sub) }
input,textarea{ width:100%; padding:12px 14px; border-radius:12px; border:1px solid var(--border); background:rgba(255,255,255,.03); color:var(--txt); outline:none }
input:focus,textarea:focus{ border-color:var(--accent-soft); box-shadow:0 0 0 4px rgba(16,185,129,.14) }
.form__status{ margin-top:8px; color:var(--accent-soft) }
.info__item{ margin-bottom:10px } .social a{ color:var(--accent-soft) }

/* Footer */
.footer{ padding:26px 20px 60px; color:var(--sub) }
.footer__inner{ max-width:var(--maxw); margin:0 auto; display:flex; gap:14px; flex-wrap:wrap; padding-left:100px }
.footer__inner a{ color:var(--accent-soft) } .footer .dot{ opacity:.3 }

/* Reveal */
.reveal{ opacity:0; transform:translateY(16px); transition:all .6s ease }
.reveal.in{ opacity:1; transform:none }

/* Responsive */
@media (max-width:920px){
  .vert-logo{ width:70px }
  .hero__inner, .portfolio-filters, .footer__inner{ padding-left:80px }
}
@media (max-width:560px){
  .vert-logo{ display:none }
  .hero__inner, .portfolio-filters, .footer__inner{ padding-left:0 }
  .hero__cta{ flex-direction:column; align-items:flex-start }
}
/* ===== KAYMA DÜZELTMELERİ ===== */

/* 0) Genel: yatay scrollbar ve dikey scrollbar kaynaklı zıplamayı engelle */
html{ overflow-y: scroll; }     /* her sayfada dikey kaydırma alanı kalsın */
body{ overflow-x: hidden; }     /* taşmaları gizle */

/* 1) Ekip ızgarası hizalama + sabit yükseklik */
.team{ align-items: stretch; }  /* tüm kartlar eşit yükseklikle hizalansın */
.person{
  grid-column: span 6;
  display: flex; gap: 14px; align-items: center;
  padding: 14px; min-height: 120px; /* sabit minimum yükseklik */
}
.person .avatar{ flex: 0 0 56px; }
.person .person__meta{ min-width: 0; } /* uzun isimlerde taşma olmasın */
.person__meta h3{ white-space: nowrap; } /* başlık tek satırda kalsın */

@media (max-width:1024px){ .person{ grid-column: span 8; } } /* tablet: tek sütuna düşmesin */
@media (max-width:640px){  .person{ grid-column: span 4; } } /* mobil: tam genişlik */

/* 2) Section sonundaki CTA (örn. 'Hizmetlerin tamamına git') hizalama */
.section .hero__cta{
  max-width: var(--maxw);
  margin-left: auto; margin-right: auto;     /* grid ile ortala */
  padding-left: 100px;                       /* sol dikey ray ile aynı hizada */
  flex-wrap: wrap;                           /* küçük ekranlarda taşma olmasın */
  gap: 12px;
}
@media (max-width:920px){  .section .hero__cta{ padding-left: 80px; } }
@media (max-width:560px){  .section .hero__cta{ padding-left: 0;    } }

/* 3) Reveal animasyonu jank yapmasın */
.reveal{ will-change: transform, opacity; }

/* 4) Butonların satır kırıp yüksekliği zıplatmasını engelle */
.btn{ white-space: nowrap; }
/* Referans kartı video thumb */
.p-thumb--yt{
  position:relative;
  display:block;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow: var(--shadow);
}
.p-thumb--yt img{
  width:100%; height:auto;
  display:block;
  transition: transform .4s ease;
}
.p-thumb--yt:hover img{
  transform: scale(1.05);
}
.yt-play{
  position:absolute;
  top:50%; left:50%;
  transform:translate(-50%,-50%);
  font-size:48px;
  color:#fff;
  text-shadow:0 4px 12px rgba(0,0,0,.6);
  opacity:.9;
  pointer-events:none;
  transition: opacity .3s;
}
.p-thumb--yt:hover .yt-play{ opacity:1; }
/* Video kutusu responsive */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 oran */
  height: 0;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.video-wrapper iframe {
  position: absolute;
  top:0; left:0;
  width:100%; height:100%;
  border:0;
  border-radius:16px;
}


/* === MOBILE FIX (2025-09-09): Stack Referanslar & İletişim === */
@media (max-width: 768px){
  .portfolio .p-card{ grid-column: span 12 !important; padding:16px; }
  .portfolio .p-card h3{ font-size:18px; }
  .portfolio .p-card p{ font-size:14px; }
  .contact.grid{ grid-template-columns:1fr !important; }
  .contact.grid > *{ grid-column: span 12 !important; }
}


/* === Mobile Fix: Force single-column in Referanslar & roomier Contact (2025-09-09) === */
@media (max-width: 768px){
  /* Force the grid itself to the 4-col mobile layout (safety) */
  .portfolio.grid{ grid-template-columns: repeat(4, 1fr) !important; row-gap: 18px }
  /* Make every card span the full width (1 / -1) */
  .portfolio.grid .p-card{ grid-column: 1 / -1 !important; padding:16px }
  .portfolio.grid .p-card h3{ font-size: 20px; line-height:1.2 }
  .portfolio.grid .p-card p{ font-size: 14px }

  /* Contact: stack fully and add breathing room */
  .contact.grid{ grid-template-columns: repeat(4, 1fr) !important; row-gap: 18px }
  .contact.grid > *{ grid-column: 1 / -1 !important }
  .form, .contact__info{ padding:16px }
}

/* Guard: prevent any fixed widths from iframes/images causing side scroll */
.portfolio iframe[width], .contact iframe[width], .portfolio img[width]{ width:100% !important }