/* ============ DEMİR KONUTLARI — iron & warm light ============ */
:root{
  --iron-900:#0B0C0F;
  --iron-850:#0F1115;
  --iron-800:#14161B;
  --iron-700:#1B1E25;
  --iron-600:#262A33;
  --iron-500:#363B46;
  --steel-400:#5B6470;
  --steel-300:#828c99;
  --brass:#D6A756;
  --brass-bright:#F2CB7C;
  --ember:#C9772F;
  --paper:#F4EFE6;
  --paper-dim:#BDB7AC;

  --grad-warm:linear-gradient(135deg,var(--brass-bright),var(--ember));
  --shadow-lg:0 30px 80px -30px rgba(0,0,0,.8);
  --radius:18px;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-display:"Fraunces",Georgia,serif;
  --font-body:"Manrope",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--iron-900);
  color:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
em{font-style:normal}

/* ===== WebGL canvas (fixed behind) ===== */
#scene{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;display:block}
.scene-grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay}
main,.footer,.nav{position:relative;z-index:2}

/* ===== Loader ===== */
.loader{position:fixed;inset:0;z-index:50;background:var(--iron-900);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .8s var(--ease),visibility .8s}
.loader.done{opacity:0;visibility:hidden}
.loader__mark{font-family:var(--font-display);font-weight:900;font-size:64px;
  background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.04em}
.loader__bar{width:180px;height:2px;background:var(--iron-600);overflow:hidden;border-radius:2px}
.loader__bar span{display:block;height:100%;width:0;background:var(--grad-warm);transition:width .3s linear}
.loader__txt{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--steel-400)}

/* ===== Shared bits ===== */
.eyebrow{font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--brass);
  display:flex;align-items:center;gap:10px;font-weight:600}
.eyebrow__dot{width:7px;height:7px;border-radius:50%;background:var(--brass);
  box-shadow:0 0 14px 2px var(--brass)}
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(80px,12vh,160px) 24px}
.section__head{max-width:680px;margin-bottom:56px}
.section__title{font-family:var(--font-display);font-weight:600;line-height:1.02;
  letter-spacing:-.02em;font-size:clamp(2.1rem,5.5vw,4.2rem);margin:18px 0}
.section__title em{background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic}
.section__desc{color:var(--paper-dim);font-size:clamp(1rem,1.4vw,1.18rem);max-width:60ch;text-shadow:0 2px 24px rgba(8,9,12,.85)}
.section__title,.hero__title,.about__text>p,.hero__lead,.contact__text>p{text-shadow:0 2px 30px rgba(8,9,12,.8)}

/* Logo — black wordmark inverted to white over dark scene */
.brand-logo{height:34px;width:auto;filter:invert(1) brightness(1.7);mix-blend-mode:screen}
.loader__logo{height:60px;width:auto;filter:invert(1) brightness(1.7);mix-blend-mode:screen}
.footer__logo{height:46px;width:auto;filter:invert(1) brightness(1.7);mix-blend-mode:screen}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.95rem;
  padding:13px 22px;border-radius:100px;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s,box-shadow .2s,color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn--solid{background:var(--grad-warm);color:#1a1205;box-shadow:0 12px 30px -10px rgba(214,167,86,.6)}
.btn--solid:hover{box-shadow:0 18px 40px -10px rgba(214,167,86,.75)}
.btn--ghost{border-color:var(--iron-500);color:var(--paper);background:rgba(255,255,255,.02)}
.btn--ghost:hover{border-color:var(--brass);color:var(--brass)}
.btn--wa{background:rgba(255,255,255,.04);border-color:var(--iron-500);color:var(--paper);font-size:.88rem;padding:10px 18px}
.btn--wa:hover{border-color:var(--brass);color:var(--brass)}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;
  justify-content:space-between;gap:18px;padding:18px clamp(20px,4vw,48px);
  transition:background .4s,backdrop-filter .4s,padding .4s}
.nav.scrolled{background:rgba(11,12,15,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--iron-700);padding-top:12px;padding-bottom:12px}
.nav__brand{display:flex;align-items:center;gap:12px}
.nav__brand-mark{font-family:var(--font-display);font-weight:900;font-size:18px;
  width:40px;height:40px;display:grid;place-items:center;border-radius:11px;
  border:1px solid var(--iron-500);background:var(--iron-800);color:var(--brass);letter-spacing:-.04em}
.nav__brand-name{font-family:var(--font-display);font-weight:600;font-size:1.25rem;letter-spacing:-.01em}
.nav__brand-name em{color:var(--brass)}
.nav__links{display:flex;gap:26px}
.nav__links a{font-size:.92rem;color:var(--paper-dim);font-weight:500;position:relative;padding:4px 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--brass);transition:width .25s var(--ease)}
.nav__links a:hover{color:var(--paper)}
.nav__links a:hover::after{width:100%}
.nav__burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;
  flex-direction:column;gap:6px;align-items:center;justify-content:center}
.nav__burger span{width:22px;height:2px;background:var(--paper);transition:.3s}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  max-width:var(--maxw);margin:0 auto;padding:120px 24px 80px;position:relative;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-120px -50vw -80px;z-index:-1;pointer-events:none;
  background:
    linear-gradient(105deg,rgba(11,12,15,.96) 0%,rgba(11,12,15,.78) 28%,rgba(11,12,15,.32) 52%,rgba(11,12,15,0) 74%),
    linear-gradient(to top,rgba(11,12,15,.85) 0%,rgba(11,12,15,0) 32%)}
.hero__inner{max-width:760px}
.hero__title{font-family:var(--font-display);font-weight:600;letter-spacing:-.03em;
  font-size:clamp(3rem,9vw,7rem);line-height:.98;margin:22px 0 0}
.hero__title .line{display:block}
.hero__title .line--accent{background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic;font-weight:500}
.hero__lead{margin-top:26px;font-size:clamp(1.05rem,1.7vw,1.32rem);color:var(--paper-dim);max-width:54ch}
.hero__cta{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero__trio{display:flex;gap:14px;margin-top:48px;list-style:none;flex-wrap:wrap}
.hero__trio li{flex:1;min-width:120px;padding:18px 20px;border:1px solid var(--iron-700);
  border-radius:14px;background:rgba(20,22,27,.5);backdrop-filter:blur(8px);
  font-size:.85rem;color:var(--paper-dim);letter-spacing:.02em}
.hero__trio strong{display:block;font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--brass);line-height:1;margin-bottom:6px}
.hero__scroll{position:absolute;bottom:30px;left:24px;font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--steel-400);display:flex;align-items:center;gap:12px}
.hero__scroll span{width:1px;height:46px;background:linear-gradient(var(--brass),transparent);position:relative;overflow:hidden}
.hero__scroll span::after{content:"";position:absolute;top:-50%;left:0;width:100%;height:50%;background:var(--brass);animation:drop 1.8s var(--ease) infinite}
@keyframes drop{0%{top:-50%}100%{top:100%}}

/* ===== Cards (daireler) ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:rgba(13,15,19,.62);backdrop-filter:blur(16px) saturate(1.1);
  border:1px solid var(--iron-700);border-radius:var(--radius);overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s;
  transform-style:preserve-3d;will-change:transform}
.card:hover{border-color:var(--iron-500);box-shadow:var(--shadow-lg)}
.card--feature{border-color:rgba(214,167,86,.35)}
.card__media{position:relative;aspect-ratio:4/3;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.card:hover .card__media img{transform:scale(1.07)}
.card__floor{position:absolute;top:14px;left:14px;font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;background:rgba(11,12,15,.7);backdrop-filter:blur(6px);
  padding:6px 12px;border-radius:100px;color:var(--brass);border:1px solid var(--iron-600)}
.card__tag{position:absolute;top:14px;right:14px;font-size:11px;font-weight:600;
  background:var(--grad-warm);color:#1a1205;padding:6px 12px;border-radius:100px}
.card__body{padding:24px}
.card__body h3{font-family:var(--font-display);font-size:1.9rem;font-weight:600;letter-spacing:-.01em;display:flex;align-items:baseline;gap:10px}
.card__body h3 span{font-family:var(--font-body);font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--brass)}
.card__body>p{color:var(--paper-dim);margin:12px 0 16px;font-size:.96rem}
.card__feats{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.card__feats li{font-size:.78rem;color:var(--paper-dim);padding:6px 11px;border:1px solid var(--iron-700);border-radius:100px;background:var(--iron-800)}
.card__link{font-weight:600;color:var(--brass);font-size:.92rem;transition:gap .2s;display:inline-block}
.card__link:hover{color:var(--brass-bright)}

/* ===== Hakkımızda ===== */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about__text h2{margin:18px 0}
.about__text>p{color:var(--paper-dim);margin-bottom:18px;font-size:1.05rem}
.about__stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.about__stats .num{font-family:var(--font-display);font-size:2.6rem;font-weight:700;color:var(--brass);line-height:1;display:block}
.about__stats small{color:var(--steel-300);font-size:.82rem;letter-spacing:.04em}
.about__media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--iron-700)}
.about__media img{width:100%;height:520px;object-fit:cover}
.about__badge{position:absolute;bottom:20px;left:20px;background:rgba(11,12,15,.8);
  backdrop-filter:blur(10px);border:1px solid var(--iron-600);padding:16px 20px;border-radius:14px}
.about__badge strong{display:block;font-family:var(--font-display);font-size:1.3rem;color:var(--brass)}
.about__badge span{font-size:.8rem;color:var(--paper-dim)}

/* ===== Neden Biz ===== */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{padding:30px 26px;border:1px solid var(--iron-700);border-radius:var(--radius);
  background:rgba(13,15,19,.5);backdrop-filter:blur(14px);
  transition:transform .3s var(--ease),border-color .3s}
.feat:hover{transform:translateY(-4px);border-color:rgba(214,167,86,.4)}
.feat svg{width:30px;height:30px;fill:none;stroke:var(--brass);stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px}
.feat h3{font-family:var(--font-display);font-size:1.3rem;font-weight:600;margin-bottom:8px}
.feat p{color:var(--paper-dim);font-size:.94rem}

/* ===== Gallery ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery__item{border-radius:14px;overflow:hidden;border:1px solid var(--iron-700);aspect-ratio:3/4}
.gallery__item:nth-child(1),.gallery__item:nth-child(4){aspect-ratio:3/4;margin-top:0}
.gallery__item:nth-child(2),.gallery__item:nth-child(3){margin-top:34px}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),filter .6s}
.gallery__item img{filter:grayscale(.3) brightness(.92)}
.gallery__item:hover img{transform:scale(1.06);filter:grayscale(0) brightness(1)}

/* ===== İletişim ===== */
.contact{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;
  background:rgba(13,15,19,.62);backdrop-filter:blur(18px) saturate(1.1);
  border:1px solid var(--iron-700);border-radius:28px;padding:clamp(36px,5vw,64px)}
.contact__text h2{margin:18px 0}
.contact__text>p{color:var(--paper-dim);max-width:46ch;margin-bottom:28px}
.contact__rows{display:flex;flex-direction:column;gap:12px}
.contact__row{display:flex;align-items:center;gap:16px;padding:14px 18px;border:1px solid var(--iron-700);
  border-radius:14px;transition:border-color .25s,transform .25s,background .25s;background:var(--iron-800)}
.contact__row:hover{border-color:var(--brass);transform:translateX(4px)}
.contact__ico{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;
  background:var(--iron-700);color:var(--brass);font-weight:700;font-size:.8rem;letter-spacing:.05em;flex-shrink:0}
.contact__row strong{display:block;font-size:1.05rem}
.contact__row small{color:var(--steel-300);font-size:.82rem}
.contact__cta{aspect-ratio:1;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;
  padding:32px;border-radius:24px;background:var(--grad-warm);color:#1a1205;
  font-family:var(--font-display);font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.05;
  transition:transform .3s var(--ease),box-shadow .3s}
.contact__cta:hover{transform:scale(1.02);box-shadow:0 24px 60px -20px rgba(214,167,86,.7)}
.contact__cta svg{align-self:flex-end}

/* ===== Footer ===== */
.footer{border-top:1px solid var(--iron-700);padding:48px 24px 32px;max-width:var(--maxw);margin:0 auto;
  display:flex;flex-direction:column;gap:18px;background:var(--iron-900)}
.footer__row{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.footer__brand{font-family:var(--font-display);font-size:1.4rem;font-weight:600}
.footer__brand em{color:var(--brass)}
.footer__row p{color:var(--steel-300);font-size:.9rem}
.footer__fine{color:var(--steel-400);font-size:.82rem}

/* ===== WhatsApp float ===== */
.wa-float{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:max(22px,env(safe-area-inset-bottom));
  z-index:30;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;background:#25D366;color:#fff;box-shadow:0 14px 34px -8px rgba(37,211,102,.6);
  transition:transform .3s var(--ease)}
.wa-float svg{width:30px;height:30px}
.wa-float:hover{transform:scale(1.08) translateY(-2px)}

/* ===== Reveal animation ===== */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:980px){
  .nav__links,.nav .btn--wa{display:none}
  .nav__burger{display:flex}
  .nav.open .nav__links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:rgba(11,12,15,.96);backdrop-filter:blur(16px);padding:20px 24px;gap:16px;border-bottom:1px solid var(--iron-700)}
  .cards,.feats{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery__item:nth-child(n){margin-top:0;aspect-ratio:4/3}
  .about,.contact{grid-template-columns:1fr;gap:32px}
  .about__media img{height:380px}
  .contact__cta{aspect-ratio:auto;flex-direction:row;align-items:center}
}
@media(max-width:640px){
  .cards,.feats,.gallery{grid-template-columns:1fr}
  .gallery__item:nth-child(n){margin-top:0;aspect-ratio:16/10}
  .hero__trio{gap:10px}
  .hero__trio li{min-width:90px;padding:14px}
  .hero__cta{gap:10px;flex-direction:column;align-items:flex-start}
  .hero__cta .btn{width:auto}
  .about__stats{gap:22px}
  .wa-float{width:52px;height:52px;right:16px;bottom:16px}
  .wa-float svg{width:26px;height:26px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  [data-reveal]{opacity:1;transform:none}
}