/* Hexamorf — temel stil
   Renk, tipografi ve boşluk değerleri buradaki değişkenlerden yönetilir. */

:root{
  --bg:            #f7f6f2;   /* ana zemin - kirik beyaz */
  --bg-soft:       #fdfcfa;   /* kart / panel - zeminden bir tik acik */
  --bg-alt:        #edebe4;   /* alternatif bolum zemini */
  --bg-dark:       #171714;   /* koyu kutu */
  --ink:           #1b1b18;   /* ana metin - sicak grafit */
  --ink-soft:      #605e58;   /* ikincil metin */
  --line:          #ded9d0;
  --accent:        #1b1b18;
  --accent-dark:   #000000;
  --accent-soft:   #e4e1d9;

  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --wrap: 1140px;
  --radius: 4px;

  /* Hareket egrileri - hazir CSS egrileri fazla yumusak kaliyor.
     Cikan hareket icin ease-out: basta hizli, sonda yavas. */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --shadow: 0 1px 2px rgba(27,27,24,.05), 0 8px 24px rgba(27,27,24,.06);
}

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

html{ scroll-behavior:smooth; scroll-padding-top:104px; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; height:auto; display:block; }

h1,h2,h3{ font-family:var(--font-head); line-height:1.15; letter-spacing:-.02em; margin:0 0 .5em; }
h1{ font-size:clamp(2.3rem, 5.6vw, 3.9rem); font-weight:700; }
h2{ font-size:clamp(1.6rem, 3.2vw, 2.3rem); font-weight:600; }
h3{ font-size:1.12rem; font-weight:600; }
p{ margin:0 0 1em; }

a{ color:inherit; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px; }
.wrap-narrow{ max-width:760px; }

.muted{ color:var(--ink-soft); font-size:.94rem; }

.eyebrow{
  font-family:var(--font-head);
  font-size:.78rem; font-weight:600; letter-spacing:.14em;
  text-transform:uppercase; color:var(--accent);
  margin:0 0 .8em;
}

.skip-link{
  position:absolute; left:-9999px; top:0;
  background:var(--ink); color:#fff; padding:12px 18px; z-index:100;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

/* ---------- Butonlar ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px; padding:14px 24px;
  font-family:var(--font-head); font-size:.98rem; font-weight:600;
  border-radius:var(--radius); text-decoration:none;
  border:1px solid transparent; cursor:pointer;
  transition:background 160ms ease, border-color 160ms ease,
             color 160ms ease, transform 160ms var(--ease-out);
}
.btn:active{ transform:scale(.97); }
.btn-sm{ padding:9px 16px; font-size:.9rem; }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-dark); }
.btn-ghost{ border-color:var(--line); color:var(--ink); background:transparent; }
.btn-ghost:hover{ border-color:var(--ink); }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled{ border-bottom-color:var(--line); box-shadow:0 1px 12px rgba(27,27,24,.05); }

.header-inner{
  display:flex; align-items:center; justify-content:space-between; height:88px;
  transition:height 260ms var(--ease-out);
}
.site-header.is-scrolled .header-inner{ height:70px; }

.logo{ display:flex; align-items:center; gap:13px; text-decoration:none; color:var(--ink); }
.logo-mark{
  width:42px; height:45px; color:var(--ink); flex:none;
  transition:width 260ms var(--ease-out), height 260ms var(--ease-out);
}
.site-header.is-scrolled .logo-mark{ width:34px; height:37px; }
.logo-text{
  font-family:var(--font-head); font-weight:700;
  letter-spacing:.16em; font-size:1.28rem;
  transition:font-size 260ms var(--ease-out);
}
.site-header.is-scrolled .logo-text{ font-size:1.1rem; }

.site-nav{ display:flex; align-items:center; gap:28px; }
.site-nav a{
  position:relative;
  text-decoration:none; color:var(--ink-soft);
  font-size:.96rem; font-weight:500;
  transition:color 160ms ease;
}
.site-nav a:not(.nav-cta)::after{
  content:""; position:absolute; left:0; right:0; bottom:-5px; height:1px;
  background:currentColor; transform:scaleX(0); transform-origin:left;
  transition:transform 240ms var(--ease-out);
}
@media (hover:hover) and (pointer:fine){
  .site-nav a:hover{ color:var(--ink); }
  .site-nav a:not(.nav-cta):hover::after{ transform:scaleX(1); }
}
.site-nav .nav-cta{ color:#fff; }
.site-nav .nav-cta:hover{ color:#fff; }

.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:0; padding:10px; cursor:pointer;
}
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); transition:transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{ padding:clamp(44px, 6vw, 76px) 0 clamp(40px, 5vw, 68px); }
.hero-inner{ display:block; }
.hero-copy{ max-width:760px; }

/* ---------- Bölümler ---------- */
.section{ padding:clamp(48px, 5.5vw, 72px) 0; }
.section-alt{ background:var(--bg-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width:640px; margin-bottom:34px; }
.section-head h2{ margin-bottom:.35em; }
.section-lede{ color:var(--ink-soft); margin:0; }

.grid{ display:grid; gap:20px; }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }

.card{
  background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 22px 22px;
  transition:border-color 200ms ease, transform 280ms var(--ease-out),
             box-shadow 280ms var(--ease-out);
}
@media (hover:hover) and (pointer:fine){
  .card:hover{
    border-color:#c2beb3; transform:translateY(-3px);
    box-shadow:0 2px 4px rgba(27,27,24,.04), 0 14px 32px rgba(27,27,24,.08);
  }
}
.card p{ margin:0; color:var(--ink-soft); font-size:.96rem; }
.card-icon{
  width:44px; height:44px; margin-bottom:18px;
  display:grid; place-items:center;
  background:var(--accent-soft); color:var(--accent); border-radius:var(--radius);
}
.card-icon svg{ width:23px; height:23px; }

.plain h3{ margin-bottom:.4em; }
.plain p{ color:var(--ink-soft); margin:0; font-size:.97rem; }

/* ---------- Süreç: zaman çizelgesi ---------- */
.steps{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  position:relative;
}
/* adimlari birbirine baglayan cizgi */
.steps::before{
  content:""; position:absolute; left:0; right:0; top:21px;
  height:1px; background:var(--line);
}
.step{
  position:relative; padding:0 20px 0 0;
  background:none; border:0; border-radius:0;
}
.step:last-child{ padding-right:0; }

/* numara: cizginin uzerinde duran daire */
.step-no{
  position:relative; z-index:1;
  display:grid; place-items:center;
  width:42px; height:42px; margin:0 0 18px;
  border:1px solid var(--line); border-radius:50%;
  background:var(--bg-alt);
  font-family:var(--font-head); font-size:.82rem; font-weight:700;
  letter-spacing:.06em; color:var(--ink-soft);
  transition:background 260ms var(--ease-out), color 260ms var(--ease-out),
             border-color 260ms var(--ease-out), transform 260ms var(--ease-out);
}
.step h3{ transition:color 200ms ease; }
.step p{ margin:0; color:var(--ink-soft); font-size:.95rem; padding-right:8px; }

/* uzerine gelince o adim one cikar */
@media (hover:hover) and (pointer:fine){
  .step:hover .step-no{
    background:var(--ink); color:var(--bg);
    border-color:var(--ink); transform:scale(1.08);
  }
}
/* dokunmatikte de gorunur olsun diye ilk adim isaretli */
.steps:not(:hover) .step:first-child .step-no{
  border-color:var(--ink); color:var(--ink);
}

/* ---------- Süreç: giriş noktaları ---------- */
.entry-points{
  margin-top:32px; padding:28px;
  background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius);
}
.entry-head{ margin-bottom:22px; }
.entry-head h3{ margin-bottom:.3em; }
.entry-head p{ margin:0; color:var(--ink-soft); font-size:.97rem; }
.entry-list{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.entry-list li{ padding-top:16px; border-top:2px solid var(--ink); }
.entry-tag{
  display:block; margin-bottom:6px;
  font-family:var(--font-head); font-size:.94rem; font-weight:600;
}
.entry-list p{ margin:0; color:var(--ink-soft); font-size:.93rem; }

/* ---------- Çalışmalar: kaydırmalı şerit ---------- */
.works-viewport{ position:relative; }

.works-track{
  display:flex; gap:16px;
  overflow-x:auto; overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;
  scrollbar-width:none; -ms-overflow-style:none;
  padding-bottom:2px;
}
.works-track::-webkit-scrollbar{ display:none; }
.works-track:focus-visible{ outline:2px solid var(--ink); outline-offset:4px; }

.work{
  position:relative; margin:0; flex:0 0 calc((100% - 32px) / 3);
  scroll-snap-align:start; overflow:hidden;
  border:1px solid var(--line); border-radius:var(--radius);
  background:var(--bg-alt);
}
.work img{
  width:100%; aspect-ratio:4/3; object-fit:cover;
  transition:transform .35s ease;
}
.work:hover img{ transform:scale(1.04); }
.work-caption{
  position:absolute; left:0; right:0; bottom:0;
  padding:26px 16px 12px;
  background:linear-gradient(to top, rgba(23,23,20,.85), transparent);
  color:#fff; font-size:.9rem; font-weight:500;
}
.work-caption small{ display:block; font-weight:400; opacity:.78; font-size:.82rem; }

.works-nav{
  position:absolute; top:50%; transform:translateY(-50%); z-index:2;
  width:42px; height:42px; display:grid; place-items:center;
  background:var(--bg-soft); color:var(--ink);
  border:1px solid var(--line); border-radius:var(--radius);
  cursor:pointer; box-shadow:var(--shadow);
  transition:opacity .15s ease, border-color .15s ease;
}
.works-nav svg{ width:20px; height:20px; }
.works-nav:hover{ border-color:var(--ink); }
.works-nav:disabled{ opacity:0; pointer-events:none; }
.works-prev{ left:-21px; }
.works-next{ right:-21px; }

.works-empty{ padding:24px 0; }

/* ---------- SSS ---------- */
.faq details{
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.faq summary{
  cursor:pointer; list-style:none;
  font-family:var(--font-head); font-weight:600; font-size:1.02rem;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+"; font-size:1.4rem; font-weight:400; color:var(--accent);
  line-height:1; flex:none; transition:transform .2s ease;
}
.faq details[open] summary::after{ transform:rotate(45deg); }
.faq p{ margin:14px 0 0; color:var(--ink-soft); font-size:.97rem; }

/* Destekleyen tarayicilarda cevap yumusakca acilir;
   desteklemeyende eskisi gibi aninda acilir - islev bozulmaz. */
@supports selector(details::details-content){
  :root{ interpolate-size:allow-keywords; }
  .faq details::details-content{
    height:0; opacity:0; overflow:hidden;
    transition:height 280ms var(--ease-out), opacity 200ms ease,
               content-visibility 280ms allow-discrete;
  }
  .faq details[open]::details-content{ height:auto; opacity:1; }
}

/* ---------- İletişim ---------- */
.section-contact{ padding-top:0; }
.contact-box{
  background:var(--bg-dark); color:#fff;
  border-radius:var(--radius);
  padding:clamp(32px, 5vw, 56px);
  display:grid; grid-template-columns:1.1fr .9fr; gap:44px; align-items:center;
}
.contact-box h2{ margin-bottom:.35em; }
.contact-box .eyebrow{ color:rgba(255,255,255,.62); }
.contact-box .section-lede{ color:rgba(255,255,255,.72); }

.contact-actions{ display:grid; gap:10px; }
.contact-link{
  display:flex; flex-direction:column; gap:2px;
  padding:14px 18px; text-decoration:none;
  border:1px solid rgba(255,255,255,.16); border-radius:var(--radius);
  transition:background .15s ease, border-color .15s ease;
}
.contact-link:hover{ background:rgba(255,255,255,.07); border-color:rgba(255,255,255,.34); }

/* WhatsApp kendi rengiyle - tiklanabilir oldugu hemen anlasilsin */
.contact-whatsapp{
  background:#25D366; border-color:#25D366;
}
.contact-whatsapp .contact-label{
  color:rgba(0,0,0,.62); display:flex; align-items:center; gap:7px;
}
.contact-whatsapp .contact-value{ color:#08240f; font-weight:600; }
.contact-whatsapp:hover{ background:#1eb955; border-color:#1eb955; }
.wa-ikon{ width:15px; height:15px; flex:none; }
.contact-label{
  font-family:var(--font-head); font-size:.74rem; font-weight:600;
  letter-spacing:.12em; text-transform:uppercase; color:rgba(255,255,255,.55);
}
.contact-value{ font-size:1.02rem; font-weight:500; color:#fff; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding:44px 0; }
.footer-inner{ display:grid; grid-template-columns:1.4fr 1fr; gap:28px 44px; align-items:start; }
.footer-brand .logo-text{ display:block; margin-bottom:10px; }
.footer-brand p{ margin:0; max-width:44ch; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:18px; justify-content:flex-end; }
.footer-nav a{ text-decoration:none; color:var(--ink-soft); font-size:.94rem; }
.footer-nav a:hover{ color:var(--ink); }
.copyright{ grid-column:1/-1; margin:0; padding-top:20px; border-top:1px solid var(--line); font-size:.87rem; }

/* ---------- Duyarlı ---------- */
@media (max-width:960px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(2,1fr); gap:28px 0; }
  .steps::before{ display:none; }
  .entry-list{ grid-template-columns:repeat(2,1fr); }
  .work{ flex:0 0 calc((100% - 16px) / 2); }
  .works-prev{ left:8px; }
  .works-next{ right:8px; }
  .hero-inner{ grid-template-columns:1fr; gap:36px; }
  .contact-box{ grid-template-columns:1fr; gap:28px; }
}

@media (max-width:760px){
  body{ font-size:16px; }
  .nav-toggle{ display:flex; }
  .site-nav{
    position:absolute; left:0; right:0; top:100%;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--bg); border-bottom:1px solid var(--line);
    padding:8px 24px 20px; box-shadow:0 12px 24px rgba(27,27,24,.06);
    display:none;
  }
  /* Acilirken kayarak gelir; kapanma anlik - kullanici zaten
     baska bir yere gitmek istiyor, bekletmenin anlami yok. */
  .site-nav.is-open{
    display:flex;
    animation:menuAcil 240ms var(--ease-out) both;
  }
  @keyframes menuAcil{
    from{ opacity:0; transform:translateY(-10px); }
    to  { opacity:1; transform:none; }
  }
  .site-nav a{ padding:13px 0; border-bottom:1px solid var(--line); }
  .site-nav .nav-cta{ margin-top:14px; border-bottom:0; justify-content:center; }
  .grid-3{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr; }
  .footer-nav{ justify-content:flex-start; gap:4px 18px; }
  /* telefonda parmakla rahat basilabilsin */
  .footer-nav a{ padding:10px 0; }
}

@media (max-width:520px){
  .grid-4{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; gap:24px; }
  .entry-list{ grid-template-columns:1fr; }
  .entry-points{ padding:22px 18px; }
  .work{ flex:0 0 88%; }
  .hero-actions .btn{ width:100%; }
}

/* Cihazinda "hareketi azalt" acik olan ziyaretcilerde yer degistiren
   hareketler kapanir; renk ve opaklik gecisleri kalir. */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .hero-copy > *{ opacity:1; animation:none; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .card:hover, .btn:active, .work:hover img{ transform:none !important; }
  .site-nav.is-open{ animation:none; }
  .header-inner, .logo-mark{ transition:none; }
  .site-nav a:not(.nav-cta)::after{ transition:none; }
}