/* =====================================================================
   ADERANS — Tanıtım Sitesi stil (premium krem/altın)  — Faz 0 iskeleti
   Bölümler API verisiyle (GET /api/public/site) dolacak; ileride
   bölüm ekleme/sıra/görünürlük veri-driven olur (Anayasa A6/D1).
   ===================================================================== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--cream);color:var(--ink);line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased}
h1,h2,h3,.display{font-family:'Archivo','Inter',sans-serif;font-weight:800;line-height:1.08;letter-spacing:-.02em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Archivo',sans-serif;font-weight:700;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:999px;font-weight:600;
  font-size:15px;transition:.2s var(--ease)}
.btn-gold{background:var(--brand);color:#fff} .btn-gold:hover{background:var(--brand-hover);transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)} .btn-ghost:hover{background:var(--paper)}

/* ===== HEADER ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s var(--ease)}
.nav.scrolled{background:color-mix(in srgb,var(--cream) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:74px}
.nav .logo{font-family:'Archivo';font-weight:800;font-size:20px;letter-spacing:-.01em}
.nav .logo span{color:var(--brand)}
.nav .links{margin-left:auto;display:flex;gap:28px}
.nav .links a{font-weight:500;font-size:14.5px;color:var(--ink-2)}
.nav .links a:hover{color:var(--brand)}
@media(max-width:820px){.nav .links{display:none}}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(180deg,var(--cream),var(--cream-2))}
.hero .glow{position:absolute;inset:0;background:
  radial-gradient(600px 400px at 78% 20%, color-mix(in srgb,var(--brand) 22%,transparent), transparent 70%);pointer-events:none;z-index:1}
.hero .wrap{position:relative;z-index:2;padding-top:120px;padding-bottom:80px}

/* hero slider (varsa) */
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;transition:opacity 1.2s var(--ease)}
.hero-slide.on{opacity:1}
.hero.has-slides .glow{background:linear-gradient(180deg,rgba(34,32,27,.5),rgba(34,32,27,.78))}
.hero.has-slides h1,.hero.has-slides p{color:#fff}
.hero.has-slides h1 em{color:var(--brand)}
.hero h1{font-size:clamp(40px,7vw,82px);margin:20px 0 22px;max-width:16ch}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero p{font-size:clamp(16px,2vw,20px);color:var(--ink-2);max-width:52ch;margin-bottom:34px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}

/* ===== İSTATİSTİK ŞERİDİ ===== */
.stats{background:var(--brand-2);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 24px}
.stats .s .n{font-family:'Archivo';font-weight:800;font-size:clamp(30px,4vw,46px);color:var(--brand)}
.stats .s .l{font-size:13.5px;color:color-mix(in srgb,#fff 72%,transparent);margin-top:4px}
@media(max-width:760px){.stats .wrap{grid-template-columns:1fr 1fr;gap:28px}}

/* ===== BÖLÜM ORTAK ===== */
.section{padding:100px 0}
.section .head{max-width:640px;margin-bottom:52px}
.section .head h2{font-size:clamp(30px,4.5vw,46px);margin:16px 0 14px}
.section .head p{color:var(--ink-2);font-size:17px}
.section.alt{background:var(--paper)}

/* kartlar */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  box-shadow:var(--shadow-sm);transition:.25s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-hover));margin-bottom:18px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15px}

/* proje grid */
.grid-proj{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.grid-proj{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid-proj{grid-template-columns:1fr}}
.proj{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--cream-2);
  box-shadow:var(--shadow-sm)}
.proj .ph{width:100%;height:100%;display:grid;place-items:center;color:var(--ink-2);
  background:linear-gradient(135deg,var(--cream-2),var(--paper))}
.proj .meta{position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff;
  background:linear-gradient(transparent,rgba(34,32,27,.82))}
.proj .meta h4{font-family:'Archivo';font-size:18px}
.proj .meta span{font-size:13px;opacity:.85}
.empty-note{color:var(--ink-2);font-size:15px;padding:30px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center}

/* iletişim */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:44px}
@media(max-width:820px){.contact{grid-template-columns:1fr}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;
  background:var(--paper);color:var(--ink);font-family:inherit;font-size:15px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
.hp{position:absolute;left:-9999px}/* honeypot */
.form-msg{font-size:14px;margin-top:10px;display:none}
.form-msg.show{display:block}

/* footer */
.footer{background:var(--brand-2);color:color-mix(in srgb,#fff 76%,transparent);padding:56px 0 30px}
.footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
@media(max-width:760px){.footer .wrap{grid-template-columns:1fr}}
.footer .logo{font-family:'Archivo';font-weight:800;font-size:22px;color:#fff}
.footer .logo span{color:var(--brand)}
.footer a:hover{color:var(--brand)}
.footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;font-size:13px;text-align:center}

/* proje detay modalı */
.pmodal{display:none;position:fixed;inset:0;z-index:100;background:rgba(34,32,27,.6);padding:24px;overflow-y:auto}
.pmodal.open{display:flex;align-items:flex-start;justify-content:center}
.pmodal-in{background:var(--paper);border-radius:var(--radius);max-width:820px;width:100%;margin:auto;overflow:hidden;position:relative;box-shadow:var(--shadow)}
.pmodal-x{position:absolute;top:14px;right:16px;z-index:2;width:38px;height:38px;border-radius:50%;background:rgba(0,0,0,.5);color:#fff;font-size:22px;line-height:1}
.pmodal-gal{display:flex;gap:8px;overflow-x:auto;background:var(--cream-2)}
.pmodal-gal img{height:300px;width:auto;object-fit:cover;flex:0 0 auto}
.pmodal-body{padding:26px 30px 30px}
.pmodal-body h3{font-family:'Archivo';font-size:26px}
.pmodal-meta{color:var(--brand);font-weight:600;font-size:14px;margin:8px 0 14px}
.pmodal-body p{color:var(--ink-2);white-space:pre-wrap}

/* scroll animasyon */
.reveal{opacity:0;transform:translateY(30px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}