/* ==========================================================
   Sivas Yapı tasarım sistemi
   Kırık beyaz zemin · antrasit yazı · terracotta vurgu
   ========================================================== */
:root {
  /* Renkler */
  --zemin: #FAF7F2;          /* kırık beyaz */
  --yuzey: #FFFFFF;
  --yuzey-2: #F3EDE4;        /* sıcak açık bej */
  --cizgi: #E6DDD1;
  --yazi: #23262B;           /* antrasit */
  --yazi-2: #545A62;
  --vurgu: #B5532C;          /* terracotta */
  --vurgu-koyu: #8F3F1F;
  --vurgu-acik: #F5E3D8;
  --wa: #1E7F47;             /* WhatsApp yeşili (kontrastlı) */
  --wa-koyu: #17663A;
  --koyu: #24272C;           /* koyu bölüm zemini */

  /* Yazı */
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --boy-govde: 1.0625rem;    /* 17px */
  --boy-h1: clamp(2.25rem, 6.4vw, 4rem);
  --boy-h2: clamp(1.75rem, 4.4vw, 2.6rem);
  --boy-h3: 1.25rem;

  /* Ölçü */
  --r-kucuk: 10px;
  --r: 16px;
  --r-buyuk: 24px;
  --golge: 0 1px 2px rgb(35 38 43 / .06), 0 8px 24px rgb(35 38 43 / .07);
  --kap: 1180px;
  --kenar: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--zemin); color: var(--yazi);
  font: 400 var(--boy-govde)/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
picture { display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: var(--boy-h1); font-weight: 800; }
h2 { font-size: var(--boy-h2); font-weight: 800; }
h3 { font-size: var(--boy-h3); font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
svg { width: 1.2em; height: 1.2em; fill: currentColor; flex: none; }

.kap { width: 100%; max-width: var(--kap); margin-inline: auto; padding-inline: var(--kenar); }
@media (min-width: 640px) { :root { --kenar: 28px; } }
.dar { max-width: 820px; }
.atla { position: absolute; left: -9999px; }
.atla:focus { left: 12px; top: 12px; z-index: 99; background: var(--yuzey); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--vurgu); outline-offset: 3px; }

.ust-etiket {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--vurgu); margin-bottom: 14px;
}
.ust-etiket::before { content: ""; width: 26px; height: 2px; background: currentColor; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 0 24px; border-radius: 12px;
  font-weight: 800; font-size: 1rem; letter-spacing: .02em; text-decoration: none;
  border: 2px solid transparent; transition: background-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-ana { background: var(--vurgu); color: #fff; }
.btn-ana:hover { background: var(--vurgu-koyu); }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-koyu); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }
.cta-row .btn { flex: 1 1 220px; }
@media (min-width: 640px) { .cta-row .btn { flex: 0 0 auto; } }
.cta-merkez { justify-content: center; }

/* ---------- Üst bar ---------- */
.ust {
  position: sticky; top: 0; z-index: 20;
  background: rgb(250 247 242 / .92); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--cizgi);
}
.ust-ic { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.marka { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.marka-isaret {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px;
  background: var(--vurgu); color: #fff; font-weight: 800; font-size: .95rem; letter-spacing: .02em;
}
.marka strong { display: block; font-size: 1.05rem; line-height: 1.1; }
.marka small { display: block; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--yazi-2); }
.menu { display: none; gap: 26px; margin-left: auto; font-weight: 600; font-size: .95rem; }
.menu a { text-decoration: none; color: var(--yazi-2); }
.menu a:hover { color: var(--vurgu); }
.ust-tel {
  margin-left: auto; display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; text-decoration: none; color: var(--vurgu);
  padding: 8px 12px; border: 1.5px solid var(--cizgi); border-radius: 10px; background: var(--yuzey);
}
@media (min-width: 960px) { .menu { display: flex; } .ust-tel { margin-left: 0; } }
@media (max-width: 380px) { .ust-tel span { display: none; } }

/* ---------- Hero ---------- */
.hero { padding: 28px 0 0; }
.hero-ic { display: grid; gap: 28px; align-items: center; }
.hero h1 em { font-style: normal; color: var(--vurgu); }
.hero-alt { font-size: 1.2rem; color: var(--yazi-2); max-width: 34ch; }
.hero-bolge { display: flex; align-items: flex-start; gap: 8px; font-weight: 700; margin: 0; }
.hero-bolge svg { color: var(--vurgu); margin-top: 3px; }
.hero-tel { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin: 20px 0 0; }
.hero-tel a { font-size: 1.9rem; font-weight: 800; text-decoration: none; letter-spacing: -.01em; }
.hero-tel span { color: var(--yazi-2); font-size: .95rem; }
.hero-gorsel { position: relative; margin: 0; border-radius: var(--r-buyuk); overflow: hidden; box-shadow: var(--golge); background: var(--yuzey-2); }
.hero-gorsel img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.hero-gorsel figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 20px 16px; color: #fff; font-size: .9rem;
  background: linear-gradient(transparent, rgb(20 22 26 / .72));
}
.hero-gorsel figcaption strong { display: block; font-size: 1.15rem; }
@media (min-width: 960px) {
  .hero { padding-top: 56px; }
  .hero-ic { grid-template-columns: 1.05fr 1fr; gap: 56px; }
  .hero-gorsel img { aspect-ratio: 4 / 4.3; }
}
.seritler {
  list-style: none; margin-top: 36px; margin-bottom: 0; padding-top: 22px; padding-bottom: 22px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px;
  border-top: 1px solid var(--cizgi); font-weight: 700; font-size: .95rem;
}
.seritler li { display: flex; align-items: center; gap: 8px; }
.seritler svg { color: var(--vurgu); }
@media (min-width: 960px) { .seritler { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Bölüm ---------- */
.bolum { padding: 64px 0; }
@media (min-width: 960px) { .bolum { padding: 96px 0; } }
.bolum-acik { background: var(--yuzey-2); }
.bolum-bas { max-width: 680px; margin-bottom: 36px; }
.bolum-bas p:last-child:not(.ust-etiket) { color: var(--yazi-2); font-size: 1.1rem; }

/* ---------- Hizmet kartları ---------- */
.kartlar { display: grid; gap: 18px; }
@media (min-width: 640px) { .kartlar { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .kartlar { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.kart { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; }
.kart img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.kart-ic { padding: 20px 22px 24px; }
.kart p { color: var(--yazi-2); margin: 0; }
.kart-cta { background: var(--vurgu-acik); border-color: transparent; justify-content: center; }
.kart-cta p { margin-bottom: 14px; }
.link-ok { font-weight: 800; color: var(--vurgu-koyu); text-decoration: none; }
.link-ok:hover { text-decoration: underline; }

/* ---------- Hakkında ---------- */
.bolum-koyu { background: var(--koyu); color: #F1ECE5; }
.bolum-koyu .ust-etiket { color: #E59A76; }
.hakkinda { display: grid; gap: 32px; align-items: center; }
.hakkinda-gorsel { margin: 0; border-radius: var(--r-buyuk); overflow: hidden; }
.hakkinda-gorsel img { aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.hakkinda-metin p { color: #D3CCC3; font-size: 1.1rem; }
@media (min-width: 960px) { .hakkinda { grid-template-columns: .85fr 1fr; gap: 72px; } }
.cta-acik .btn-ana { background: var(--vurgu); }

/* ---------- Galeri ---------- */
.galeri { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (min-width: 640px) { .galeri { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .galeri { grid-template-columns: repeat(5, 1fr); gap: 16px; } }
.galeri-oge {
  all: unset; box-sizing: border-box; cursor: zoom-in; display: block; width: 100%;
  border-radius: var(--r-kucuk); overflow: hidden; background: var(--yuzey); border: 1px solid var(--cizgi);
}
.galeri-oge:focus-visible { outline: 3px solid var(--vurgu); outline-offset: 2px; }
.galeri-oge img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; transition: transform .3s; }
.galeri-oge:hover img { transform: scale(1.03); }
.galeri-oge span { display: block; padding: 10px 12px; font-weight: 700; font-size: .9rem; line-height: 1.3; }
.not { margin-top: 18px; font-size: .85rem; color: var(--yazi-2); }

.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1100px, 94vw); width: 100%; }
.lightbox::backdrop { background: rgb(15 16 18 / .86); }
.lightbox img { width: 100%; border-radius: var(--r); }
.lightbox p { color: #fff; text-align: center; font-weight: 700; margin: 12px 0 0; }
.lightbox-kapat {
  position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: rgb(255 255 255 / .92); font-size: 1.6rem; line-height: 1; cursor: pointer;
}

/* ---------- Neden ---------- */
.neden { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
@media (min-width: 640px) { .neden { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .neden { grid-template-columns: repeat(4, 1fr); } }
.neden li { background: var(--yuzey); border-radius: var(--r); padding: 24px; border: 1px solid var(--cizgi); }
.neden p { color: var(--yazi-2); margin: 0; }
.neden-ikon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--vurgu-acik); color: var(--vurgu); margin-bottom: 16px; }

/* ---------- Bölgeler ---------- */
.bolgeler-ic { display: grid; gap: 28px; }
.bolgeler-ic > div p:not(.ust-etiket) { color: var(--yazi-2); font-size: 1.1rem; }
@media (min-width: 960px) { .bolgeler-ic { grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; } }
.bolge-liste { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (min-width: 640px) { .bolge-liste { grid-template-columns: repeat(3, 1fr); } }
.bolge-liste li {
  display: flex; align-items: center; gap: 8px; padding: 14px 14px;
  background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r-kucuk); font-weight: 700;
}
.bolge-liste svg { color: var(--vurgu); }

/* ---------- SSS ---------- */
.sss details { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--r-kucuk); margin-bottom: 10px; }
.sss summary { cursor: pointer; padding: 18px 20px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.sss summary::-webkit-details-marker { display: none; }
.sss summary::after { content: "+"; color: var(--vurgu); font-size: 1.4rem; line-height: 1; }
.sss details[open] summary::after { content: "–"; }
.sss details p { padding: 0 20px 18px; margin: 0; color: var(--yazi-2); }

/* ---------- İletişim ---------- */
.iletisim { background: var(--vurgu); color: #fff; padding: 64px 0; text-align: center; }
.iletisim-ic { max-width: 760px; }
.iletisim p { color: #FBE9DF; font-size: 1.1rem; }
.iletisim-tel { display: inline-block; font-size: clamp(2rem, 8vw, 3.2rem); font-weight: 800; text-decoration: none; letter-spacing: -.01em; margin: 6px 0 0; }
.iletisim .btn-ana { background: #fff; color: var(--vurgu-koyu); }
.iletisim .btn-ana:hover { background: #FBE9DF; }
.iletisim-bolge { display: flex; justify-content: center; align-items: center; gap: 8px; margin: 26px 0 0; font-size: .95rem !important; }

/* ---------- Alt ---------- */
.alt { background: var(--koyu); color: #CFC8BF; padding: 28px 0 100px; font-size: .95rem; }
.alt p { margin: 0 0 4px; }
.alt a { color: #fff; font-weight: 700; text-decoration: none; }
@media (min-width: 960px) { .alt { padding-bottom: 28px; } }

/* ---------- Mobil yapışkan bar ---------- */
.yapiskan {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
  background: rgb(255 255 255 / .96); border-top: 1px solid var(--cizgi);
  box-shadow: 0 -6px 20px rgb(35 38 43 / .08);
}
.yapiskan .btn { min-height: 50px; padding: 0 12px; }
@media (min-width: 960px) { .yapiskan { display: none; } }