/* ==========================================================================
   ERZURUM BEYAZ EŞYA TEKNİK SERVİSİ — Tasarım Sistemi
   Konsept: "Palandöken Hattı" — Erzurum'un soğuk, keskin dağ silüetinden ve
   çelik/beyaz eşya yüzeyinden ilham alan; güven veren çelik-mavisi zemin,
   buz mavisi vurgular ve "arıza lambası" turuncusu ile acil/aksiyon çağrısı.
   ========================================================================== */

:root{
  /* Renk */
  --c-steel-900:#0f2733;   /* en koyu - header/footer zemini */
  --c-steel-700:#173a4b;   /* birincil marka rengi */
  --c-ice-400:#5fb3d9;     /* buz mavisi - vurgu, linkler */
  --c-ice-100:#eaf6fb;     /* çok açık buz - kart zeminleri */
  --c-frost-50:#f6f8f9;    /* sayfa zemini */
  --c-signal-500:#e8871e;  /* arıza lambası turuncusu - CTA */
  --c-signal-600:#c96e10;
  --c-ink-900:#101a1f;     /* ana metin */
  --c-ink-500:#4d5c63;     /* ikincil metin */
  --c-line:#dbe6ea;

  /* Tipografi */
  --f-display:'Space Grotesk', 'Archivo', system-ui, sans-serif;
  --f-body:'Inter', system-ui, -apple-system, sans-serif;

  /* Ölçek */
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:22px;
  --shadow-1:0 2px 10px rgba(15,39,51,.08);
  --shadow-2:0 12px 32px rgba(15,39,51,.16);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-body);
  background:var(--c-frost-50);
  color:var(--c-ink-900);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;}
p{margin:0 0 1em;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
:focus-visible{outline:3px solid var(--c-signal-500);outline-offset:2px;}

/* ---------- Buz-dağ ayırıcı (signature element) ----------
   Sayfalar arasında tekrar eden, Palandöken silüetini andıran
   zigzag SVG divider. Dekor değil: bölüm geçişini ve "Erzurum'a
   özel hizmet" vurgusunu kodluyor. */
.peak-divider{
  width:100%;height:28px;
  background:var(--c-steel-700);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 40 L0 22 L60 6 L140 30 L220 4 L300 26 L380 10 L460 32 L560 2 L660 28 L760 8 L860 34 L960 6 L1060 24 L1140 2 L1200 20 L1200 40 Z'/%3E%3C/svg%3E") center/cover;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 40' preserveAspectRatio='none'%3E%3Cpath d='M0 40 L0 22 L60 6 L140 30 L220 4 L300 26 L380 10 L460 32 L560 2 L660 28 L760 8 L860 34 L960 6 L1060 24 L1140 2 L1200 20 L1200 40 Z'/%3E%3C/svg%3E") center/cover;
}

/* ---------- Header ---------- */
.site-header{background:var(--c-steel-900);color:#fff;position:sticky;top:0;z-index:50;}
.header-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px;flex-wrap:nowrap;}

.brand{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:1.05rem;color:#fff;flex-shrink:0;white-space:nowrap;}
.brand .mark{width:38px;height:38px;border-radius:9px;background:linear-gradient(155deg,var(--c-ice-400),var(--c-steel-700));display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:700;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:1.05rem;color:#fff;}
.brand-text small{font-size:.66rem;font-weight:500;color:var(--c-ice-400);letter-spacing:.01em;white-space:nowrap;}

/* Nav: tek satır, sarkma yok — taşarsa gizlenip hamburger devreye girer */
.nav{display:flex;gap:22px;font-weight:500;font-size:.88rem;flex-wrap:nowrap;white-space:nowrap;}
.nav a{opacity:.85;transition:opacity .15s;white-space:nowrap;}
.nav a:hover{opacity:1;color:var(--c-ice-400);}

.header-cta{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.phone-pill{display:flex;flex-direction:column;line-height:1.2;text-align:right;white-space:nowrap;}
.phone-pill small{opacity:.7;font-size:.7rem;}
.phone-pill strong{font-family:var(--f-display);font-size:1rem;color:var(--c-ice-400);}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--radius-s);font-weight:600;font-size:.92rem;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s;white-space:nowrap;}
.btn-signal{background:var(--c-signal-500);color:#fff;box-shadow:var(--shadow-1);}
.btn-signal:hover{background:var(--c-signal-600);transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{border-color:var(--c-ice-400);color:var(--c-ice-400);}

/* Hamburger toggle — sadece dar ekranlarda görünür, saf CSS (JS gerektirmez) */
.nav-toggle-check{display:none;}
.nav-toggle-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;flex-shrink:0;}
.nav-toggle-btn span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:transform .2s,opacity .2s;}

/* Sabit "Şimdi Ara" butonu — mobilde her zaman parmak ucunda */
.floating-call-btn{
  display:none;position:fixed;right:18px;bottom:18px;z-index:80;
  background:var(--c-signal-500);color:#fff;font-weight:700;font-size:.85rem;
  padding:14px 20px;border-radius:999px;box-shadow:0 8px 24px rgba(232,135,30,.45);
  align-items:center;gap:8px;
}
.floating-call-btn .pulse-ring{position:absolute;inset:0;border-radius:999px;border:2px solid var(--c-signal-500);animation:pulse-ring 1.8s ease-out infinite;}
@keyframes pulse-ring{0%{transform:scale(1);opacity:.7;}100%{transform:scale(1.4);opacity:0;}}

/* ---------- Hero ---------- */
.hero{background:radial-gradient(1100px 500px at 80% -10%,rgba(95,179,217,.25),transparent),var(--c-steel-700);color:#fff;padding:76px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:600;letter-spacing:.03em;color:var(--c-ice-400);margin-bottom:18px;}
.hero h1{font-size:clamp(2rem,3.6vw,3.1rem);color:#fff;}
.hero h1 em{font-style:normal;color:var(--c-ice-400);}
.hero p.lead{font-size:1.08rem;color:rgba(255,255,255,.82);max-width:52ch;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;}
.stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-m);padding:16px;}
.stat strong{display:block;font-family:var(--f-display);font-size:1.5rem;color:var(--c-ice-400);}
.stat span{font-size:.78rem;color:rgba(255,255,255,.7);}
.hero-panel{background:#fff;color:var(--c-ink-900);border-radius:var(--radius-l);padding:26px;box-shadow:var(--shadow-2);}
.hero-panel h3{font-size:1.1rem;}
.hero-panel .field{margin-bottom:12px;}
.hero-panel label{display:block;font-size:.8rem;color:var(--c-ink-500);margin-bottom:5px;font-weight:600;}
.hero-panel input,.hero-panel select,.hero-panel textarea{width:100%;padding:11px 13px;border:1.5px solid var(--c-line);border-radius:var(--radius-s);font-family:var(--f-body);font-size:.94rem;}
.hero-panel .btn{width:100%;justify-content:center;margin-top:6px;}

/* ---------- Section ---------- */
section{padding:64px 0;}
.section-head{max-width:640px;margin:0 auto 40px;text-align:center;}
.section-head .eyebrow{color:var(--c-steel-700);background:var(--c-ice-100);border-color:var(--c-ice-100);}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.2rem);color:var(--c-steel-900);}
.section-head p{color:var(--c-ink-500);}

/* Hizmet kartları */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:26px;box-shadow:var(--shadow-1);transition:transform .15s,box-shadow .15s;}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card .ic{width:46px;height:46px;border-radius:10px;background:var(--c-ice-100);color:var(--c-steel-700);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:14px;}
.card h3{font-size:1.08rem;color:var(--c-steel-900);}
.card p{color:var(--c-ink-500);font-size:.93rem;margin-bottom:0;}

/* Bölgeler / GEO listesi */
.districts{background:var(--c-ice-100);border-radius:var(--radius-l);padding:36px;}
.chip-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{background:#fff;border:1px solid var(--c-line);padding:8px 14px;border-radius:999px;font-size:.86rem;font-weight:600;color:var(--c-steel-700);}

/* Süreç */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{position:relative;padding-top:8px;}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--f-display);font-size:2.1rem;color:var(--c-ice-400);display:block;margin-bottom:8px;}
.step h4{font-size:1rem;color:var(--c-steel-900);}
.step p{color:var(--c-ink-500);font-size:.9rem;}

/* Yorumlar */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);padding:22px;}
.stars{color:var(--c-signal-500);font-size:.9rem;margin-bottom:10px;}
.review p{font-size:.92rem;color:var(--c-ink-900);}
.review .who{font-size:.82rem;color:var(--c-ink-500);font-weight:600;margin-top:10px;}

/* Blog kartları */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .15s;}
.post-card:hover{transform:translateY(-3px);}
.post-thumb{height:150px;background:linear-gradient(135deg,var(--c-steel-700),var(--c-ice-400));display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--f-display);font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;}
.post-body{padding:20px;}
.post-tag{font-size:.72rem;font-weight:700;color:var(--c-signal-600);text-transform:uppercase;letter-spacing:.04em;}
.post-body h3{font-size:1.02rem;margin-top:6px;color:var(--c-steel-900);}
.post-body p{font-size:.88rem;color:var(--c-ink-500);}
.post-meta{font-size:.78rem;color:var(--c-ink-500);border-top:1px solid var(--c-line);margin-top:14px;padding-top:12px;display:flex;justify-content:space-between;}

/* CTA şerit */
.cta-band{background:var(--c-steel-900);color:#fff;border-radius:var(--radius-l);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:1.6rem;margin-bottom:6px;}
.cta-band p{color:rgba(255,255,255,.75);margin:0;}

/* Footer */
.site-footer{background:var(--c-steel-900);color:rgba(255,255,255,.75);padding:52px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;}
.footer-grid h4{color:#fff;font-size:.9rem;margin-bottom:14px;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;font-size:.88rem;}
.footer-grid a:hover{color:var(--c-ice-400);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;font-size:.8rem;flex-wrap:wrap;gap:10px;}

/* Makale sayfası */
.article-header{background:var(--c-steel-700);color:#fff;padding:52px 0 40px;}
.article-header .post-tag{color:var(--c-ice-400);}
.article-header h1{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);max-width:38ch;}
.article-meta{color:rgba(255,255,255,.75);font-size:.88rem;display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;}
.article-body{max-width:760px;margin:0 auto;padding:48px 24px;}
.article-body h2{font-size:1.4rem;color:var(--c-steel-900);margin-top:1.6em;}
.article-body h3{font-size:1.15rem;color:var(--c-steel-900);margin-top:1.4em;}
.article-body p{color:var(--c-ink-900);font-size:1.02rem;}
.article-body ul,.article-body ol{color:var(--c-ink-900);padding-left:1.3em;}
.article-body li{margin-bottom:.4em;}
.callout{background:var(--c-ice-100);border-left:4px solid var(--c-ice-400);padding:16px 20px;border-radius:var(--radius-s);font-size:.94rem;}
.faq-item{border-bottom:1px solid var(--c-line);padding:16px 0;}
.faq-item h3{margin:0 0 6px;font-size:1.02rem;}
.faq-item p{margin:0;color:var(--c-ink-500);}

/* Responsive */
@media (max-width:1080px){
  /* Bu genişlikte menü metinleri sarkmasın diye telefon pilini gizleyip
     sadece "Şimdi Ara" düğmesini bırakıyoruz; nav henüz açık kalabiliyor. */
  .phone-pill{display:none;}
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-3,.steps,.reviews,.blog-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}

  /* --- Hamburger menü devreye giriyor --- */
  .nav-toggle-btn{display:flex;}
  .nav{
    display:flex;flex-direction:column;gap:2px;
    position:absolute;top:100%;left:0;right:0;
    background:var(--c-steel-900);
    max-height:0;overflow:hidden;
    transition:max-height .25s ease;
    padding:0 24px;white-space:normal;
  }
  .nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);opacity:1;}
  .nav-toggle-check:checked ~ .nav{max-height:400px;padding:8px 24px 16px;}
  .nav-toggle-check:checked ~ .nav-toggle-btn span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
  .nav-toggle-check:checked ~ .nav-toggle-btn span:nth-child(2){opacity:0;}
  .nav-toggle-check:checked ~ .nav-toggle-btn span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}
  .site-header{position:sticky;}
  .header-bar{position:relative;flex-wrap:wrap;}

  .floating-call-btn{display:inline-flex;}
  .header-cta .btn-signal{display:none;} /* mobilde tekrar etmesin, floating buton yeterli */
}
@media (max-width:600px){
  .grid-3,.steps,.reviews,.blog-grid,.hero-stats{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;text-align:center;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-text small{display:none;}
}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;transition:none !important;}
  .pulse-ring{animation:none;}
}