/* ============================================================
   DEMİR KONUTLARI — YENİ TASARIM
   Koyu charcoal + elektrik mavisi + mercan vurgu
   Space Grotesk (başlık) + Manrope (gövde)
   ============================================================ */

:root{
  --bg:        #0E1116;
  --bg-2:      #151A22;
  --bg-3:      #1C232E;
  --surface:   #1A212B;
  --line:      #2A3340;
  --txt:       #EAF0F7;
  --txt-soft:  #9CA9B8;
  --txt-dim:   #6B7888;
  --blue:      #3B82F6;
  --blue-lt:   #60A5FA;
  --coral:     #FF6B5C;
  --coral-lt:  #FF8A7D;
  --grad:      linear-gradient(120deg,#3B82F6 0%,#60A5FA 45%,#FF6B5C 100%);
  --grad-soft: linear-gradient(120deg,rgba(59,130,246,.14),rgba(255,107,92,.10));
  --radius:    18px;
  --radius-lg: 28px;
  --shadow:    0 24px 60px -20px rgba(0,0,0,.6);
  --maxw:      1240px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Manrope',system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:600;line-height:1.1;letter-spacing:-.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--coral)}
.grad-txt{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(14,17,22,.72);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:.3s;
}
.nav.scrolled{border-bottom-color:var(--line);background:rgba(14,17,22,.92)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk';font-weight:600;font-size:1.05rem}
.brand img{width:42px;height:42px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 16px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--txt-soft);transition:.2s}
.nav-links a:hover{color:var(--txt);background:var(--bg-3)}
.nav-links a.active{color:var(--txt);background:var(--bg-3)}
.nav-cta{background:var(--blue)!important;color:#fff!important}
.nav-cta:hover{background:var(--blue-lt)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO (split-screen asimetrik) ---------- */
.hero{position:relative;padding:140px 0 80px;overflow:hidden}
.hero::before{
  content:'';position:absolute;top:-20%;right:-10%;width:600px;height:600px;
  background:radial-gradient(circle,rgba(59,130,246,.22),transparent 60%);
  filter:blur(40px);z-index:0;
}
.hero::after{
  content:'';position:absolute;bottom:-10%;left:-5%;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,107,92,.16),transparent 60%);
  filter:blur(40px);z-index:0;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-lt);background:var(--grad-soft);border:1px solid var(--line);padding:8px 16px;border-radius:999px;margin-bottom:24px}
.hero-tag::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 12px var(--coral)}
.hero h1{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:700;margin-bottom:20px}
.hero p{font-size:1.12rem;color:var(--txt-soft);max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:999px;font-weight:700;font-size:.98rem;transition:.25s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-lt);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--blue);background:var(--bg-3)}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:var(--coral-lt);transform:translateY(-2px)}

/* Hero görsel kolonu - video stacked card */
.hero-visual{position:relative}
.hero-video-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/5}
.hero-video-card video{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;bottom:-22px;left:-22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:14px;
}
.hero-float .dot{width:42px;height:42px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk';font-weight:700;color:#fff}
.hero-float small{display:block;color:var(--txt-dim);font-size:.78rem}
.hero-float strong{font-family:'Space Grotesk';font-size:1.05rem}

/* ---------- ROZET ŞERİDİ ---------- */
.badges{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.badges-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.badge-item{padding:34px 24px;text-align:center;border-right:1px solid var(--line)}
.badge-item:last-child{border-right:0}
.badge-item .num{font-family:'Space Grotesk';font-size:2rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.badge-item .lbl{color:var(--txt-soft);font-size:.9rem;font-weight:600;margin-top:4px}

/* ---------- BÖLÜM BAŞLIK ---------- */
.sec{padding:90px 0}
.sec-head{margin-bottom:48px;max-width:640px}
.sec-kicker{font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--coral);margin-bottom:12px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.sec-head p{color:var(--txt-soft);margin-top:14px;font-size:1.05rem}

/* ---------- ÖZELLİK KARTLARI ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;transition:.3s;position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;width:0;height:3px;background:var(--grad);transition:.4s}
.feat-card:hover{transform:translateY(-6px);border-color:var(--blue)}
.feat-card:hover::before{width:100%}
.feat-ico{width:48px;height:48px;border-radius:14px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--blue-lt)}
.feat-card h3{font-size:1.2rem;margin-bottom:8px}
.feat-card p{color:var(--txt-soft);font-size:.96rem}

/* ---------- DAİRE LİSTESİ (alternating, kart yerine satır) ---------- */
.flat-list{display:flex;flex-direction:column;gap:32px}
.flat-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.flat-row:nth-child(even) .flat-img{order:2}
.flat-img{position:relative;height:100%;min-height:340px;overflow:hidden}
.flat-img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.flat-row:hover .flat-img img{transform:scale(1.05)}
.flat-badge{position:absolute;top:18px;left:18px;background:var(--coral);color:#fff;font-family:'Space Grotesk';font-weight:700;padding:8px 18px;border-radius:999px;font-size:1.1rem}
.flat-body{padding:40px 44px}
.flat-body h3{font-size:1.7rem;margin-bottom:12px}
.flat-body>p{color:var(--txt-soft);margin-bottom:20px}
.flat-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.flat-tags span{font-size:.85rem;font-weight:600;color:var(--blue-lt);background:var(--bg-3);border:1px solid var(--line);padding:7px 14px;border-radius:999px}
.flat-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- HAKKIMIZDA (split) ---------- */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-txt p{color:var(--txt-soft);font-size:1.08rem;line-height:1.8}
.about-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.about-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- ETKİNLİK GALERİ (asimetrik masonry) ---------- */
.events-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px}
.events-grid a{border-radius:var(--radius);overflow:hidden;position:relative;border:1px solid var(--line)}
.events-grid a img{width:100%;height:100%;object-fit:cover;transition:.5s}
.events-grid a:hover img{transform:scale(1.08)}
.events-grid a:nth-child(1){grid-column:span 2;grid-row:span 2}
.events-grid a:nth-child(4){grid-column:span 2}

/* ---------- NEDEN BİZ (numaralı liste) ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 40px}
.why-item{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.why-num{flex-shrink:0;font-family:'Space Grotesk';font-weight:700;font-size:1.05rem;width:38px;height:38px;border-radius:11px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--blue-lt)}
.why-item p{color:var(--txt);font-size:.98rem;align-self:center}

/* ---------- CTA ŞERİT ---------- */
.cta-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:64px 48px;background:var(--bg-2);border:1px solid var(--line);text-align:center}
.cta-band::before{content:'';position:absolute;inset:0;background:var(--grad-soft);z-index:0}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px}
.cta-band p{color:var(--txt-soft);max-width:540px;margin:0 auto 28px}
.cta-band .hero-btns{justify-content:center}

/* ---------- İLETİŞİM ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.contact-card{display:flex;align-items:center;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;transition:.25s}
.contact-card:hover{border-color:var(--blue);transform:translateX(4px)}
.contact-card .ico{width:50px;height:50px;border-radius:14px;background:var(--grad-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--blue-lt);flex-shrink:0}
.contact-card small{display:block;color:var(--txt-dim);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.contact-card strong{font-family:'Space Grotesk';font-size:1.15rem;font-weight:600}
.map-box{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);min-height:420px}
.map-box iframe{width:100%;height:100%;min-height:420px;border:0;filter:grayscale(.3) contrast(1.05)}

/* ---------- FOOTER ---------- */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 24px 24px;margin-top:40px}
.footer-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand img{width:64px;border-radius:14px;border:1px solid var(--line);margin-bottom:16px}
.footer-brand p{color:var(--txt-soft);font-size:.92rem;max-width:320px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:var(--txt)}
.footer-col a,.footer-col p{display:block;color:var(--txt-soft);font-size:.92rem;margin-bottom:10px;transition:.2s}
.footer-col a:hover{color:var(--blue-lt)}
.footer-map{color:var(--coral)!important;font-weight:600}
.footer-bottom{max-width:var(--maxw);margin:40px auto 0;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--txt-dim);font-size:.85rem}

/* ---------- SABİT WHATSAPP ---------- */
.fab-wa{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -6px rgba(37,211,102,.5);z-index:90;transition:.25s}
.fab-wa:hover{transform:scale(1.08) translateY(-2px)}

/* ---------- ANİMASYON ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:440px;margin:0 auto}
  .about-split,.contact-grid{grid-template-columns:1fr;gap:32px}
  .feat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78%,320px);
    background:var(--bg-2);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:88px 24px 24px;gap:8px;transform:translateX(100%);transition:.3s;
  }
  .nav-links.open{transform:none;box-shadow:var(--shadow)}
  .nav-links a{padding:14px 18px;border-radius:12px}
  .nav-toggle{display:flex;z-index:101}
  .badges-grid{grid-template-columns:1fr 1fr}
  .badge-item:nth-child(2){border-right:0}
  .badge-item:nth-child(1),.badge-item:nth-child(2){border-bottom:1px solid var(--line)}
  .flat-row{grid-template-columns:1fr}
  .flat-row:nth-child(even) .flat-img{order:0}
  .flat-img{min-height:260px}
  .flat-body{padding:28px 26px}
  .events-grid{grid-template-columns:1fr 1fr;grid-auto-rows:160px}
  .events-grid a:nth-child(1){grid-column:span 2;grid-row:span 1}
  .events-grid a:nth-child(4){grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .sec{padding:64px 0}
  .cta-band{padding:44px 24px}
}
@media(max-width:420px){
  .badges-grid{grid-template-columns:1fr 1fr}
  .hero-float{left:0;bottom:-18px}
}