/* ==========================================================
   Bolu Garanti Beton Kesim — site stilleri (v3)
   Dil: beton grisi ve grafit zemin, turuncu yalnızca vurgu.
   Başlık: Manrope · Metin: Inter · Ölçü etiketleri: IBM Plex Mono
   ========================================================== */

:root {
  --grafit: #15181B;
  --grafit-2: #1F2428;
  --grafit-3: #2B3137;
  --kagit: #F6F6F3;
  --beton: #ECEBE7;
  --beyaz: #FFFFFF;
  --metin: #1A1D20;
  --duman: #5D646A;
  --duman-acik: #A3A9AE;
  --cizgi: #E2E1DC;
  --cizgi-koyu: rgba(255, 255, 255, .1);
  --turuncu: #F4821F;
  --turuncu-600: #DD7116;
  --turuncu-yazi: #B35400;
  --turuncu-acik: #FDF1E6;
  --wa: #25D366;

  --font-baslik: 'Manrope', 'Segoe UI', Arial, sans-serif;
  --font-metin: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;

  --r: 14px;
  --r-k: 10px;
  --kap: 1360px;
  --kenar: clamp(20px, 3.2vw, 56px);
  --golge: 0 18px 40px -22px rgba(21, 24, 27, .35);
  --baslik-yuk: 78px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-metin);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--metin);
  background: var(--kagit);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: var(--turuncu-yazi); }
h1, h2, h3, h4 {
  font-family: var(--font-baslik);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.015em; line-height: 1.25; }
p { margin: 0 0 1em; }

.kap { width: 100%; max-width: var(--kap); margin: 0 auto; padding: 0 var(--kenar); }
/* Menü, açılış, şerit ve sayfa başlıkları ekranın iki kenarına yaslanır */
.baslik .kap, .hero .kap, .serit .kap, .sayfa-bas .kap { max-width: none; }

.atla { position: absolute; left: -999px; top: 8px; background: var(--turuncu); color: var(--grafit); padding: 8px 14px; z-index: 999; border-radius: var(--r-k); }
.atla:focus { left: 8px; }

/* Bölüm etiketi: ölçü aleti yazısı gibi */
.etiket {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-weight: 500; font-size: .78rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--turuncu-yazi);
  margin-bottom: 18px;
}
.etiket::before { content: ""; width: 8px; height: 8px; background: var(--turuncu); }
.etiket--acik, .bolum-koyu .etiket { color: var(--turuncu); }

/* Butonlar */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .95em 1.5em;
  border-radius: var(--r-k);
  border: 1.5px solid transparent;
  font-family: var(--font-baslik); font-weight: 700; font-size: .98rem; letter-spacing: -0.005em;
  text-decoration: none; cursor: pointer; line-height: 1.2;
  transition: background-color .18s, color .18s, border-color .18s, transform .18s;
}
.btn svg { width: 1.25em; height: 1.25em; flex: none; }
.btn:active { transform: translateY(1px); }
.btn-ana { background: var(--turuncu); color: var(--grafit); }
.btn-ana:hover { background: var(--turuncu-600); }
.btn-ikincil { background: var(--grafit); color: var(--beyaz); }
.btn-ikincil:hover { background: var(--grafit-3); }
.btn-cerceve { background: transparent; color: var(--metin); border-color: var(--cizgi); }
.btn-cerceve:hover { border-color: var(--metin); }
.btn-cerceve-acik { background: rgba(255,255,255,.06); color: var(--beyaz); border-color: rgba(255,255,255,.35); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.btn-cerceve-acik:hover { background: var(--beyaz); color: var(--grafit); border-color: var(--beyaz); }
.btn-wa { background: var(--wa); color: #072814; }
.btn-wa:hover { background: #1fb956; }
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(244,130,31,.55); outline-offset: 3px; }

/* ---------------------------------------------------------- Menü */
.baslik {
  position: sticky; top: 0; z-index: 50;
  background: var(--grafit);
  border-bottom: 1px solid var(--cizgi-koyu);
  transition: background-color .25s, border-color .25s;
}
.sayfa-ana .baslik { position: fixed; left: 0; right: 0; background: transparent; border-bottom-color: rgba(255,255,255,.14); }
.sayfa-ana .baslik.kaydi, .baslik.kaydi { background: rgba(21, 24, 27, .9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--cizgi-koyu); }
.baslik__ic { display: flex; align-items: center; justify-content: space-between; height: var(--baslik-yuk); gap: 24px; }
.baslik__logo { text-decoration: none; }
.logo-acik { display: none !important; }
.menu { display: flex; align-items: center; gap: 2px; }
.menu a:not(.btn) {
  color: rgba(255,255,255,.82); text-decoration: none; font-weight: 500; font-size: .97rem;
  padding: 10px 14px; position: relative; transition: color .15s;
}
.menu a:not(.btn):hover, .menu a.aktif { color: var(--beyaz); }
.menu a:not(.btn)::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px; background: var(--turuncu); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.menu a:not(.btn):hover::after, .menu a.aktif::after { transform: scaleX(1); }
.menu__btn { margin-left: 14px; padding: .72em 1.25em; font-size: .93rem; }
.menu-ac { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.menu-ac span { display: block; height: 2px; background: var(--beyaz); margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-ac[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-ac[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-ac[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 1000px) {
  .menu-ac { display: block; }
  .menu {
    position: fixed; inset: var(--baslik-yuk) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--grafit); padding: 8px var(--kenar) 24px;
    border-bottom: 1px solid var(--cizgi-koyu);
    transform: translateY(-10px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
    max-height: calc(100vh - var(--baslik-yuk)); overflow-y: auto;
  }
  .menu.acik { opacity: 1; transform: none; visibility: visible; }
  .menu a:not(.btn) { padding: 15px 2px; border-bottom: 1px solid var(--cizgi-koyu); font-size: 1.08rem; }
  .menu a:not(.btn)::after { display: none; }
  .menu a.aktif { color: var(--turuncu); }
  .menu__btn { margin: 18px 0 0; }
}
@media (max-width: 640px) { :root { --baslik-yuk: 68px; } }

/* Marka (logo): ikon görsel, yazı net metin */
.marka { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--beyaz); line-height: 1; }
.marka__ikon { width: 50px; height: auto; flex: none; }
.marka__yazi { display: flex; flex-direction: column; align-items: center; font-family: var(--font-baslik); }
.marka__ust { font-weight: 700; font-size: .62rem; letter-spacing: .62em; margin-right: -.62em; margin-bottom: 4px; opacity: .9; }
.marka__ana { font-weight: 800; font-size: 1.58rem; letter-spacing: .01em; line-height: .95; }
.marka__alt { display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: .5rem; letter-spacing: .16em; margin-top: 6px; white-space: nowrap; }
.marka__alt::before, .marka__alt::after { content: ""; width: 14px; height: 2px; background: var(--turuncu); }
.marka--koyu { margin-bottom: 20px; }
.marka--koyu .marka__ikon { width: 54px; }
@media (max-width: 640px) { .marka__ikon { width: 42px; } .marka__ana { font-size: 1.36rem; } }

/* ---------------------------------------------------------- Açılış (video) */
.hero { position: relative; min-height: min(100vh, 1000px); min-height: min(100svh, 1000px); display: flex; align-items: flex-end; color: var(--beyaz); overflow: hidden; background: var(--grafit); }
.slayt { position: absolute; inset: 0; }
.slayt__oge { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.slayt__oge.aktif { opacity: 1; z-index: 1; }
.slayt__oge video { width: 100%; height: 100%; object-fit: cover; }
/* Firmanın dikey saha videoları: geniş ekranda sağda çerçeveli ve net, arkada aynı görüntünün flu hali */
.slayt__zemin { display: none; }
@media (min-width: 1000px) {
  .slayt__oge--dikey .slayt__zemin { display: block; position: absolute; inset: -60px; width: calc(100% + 120px); height: calc(100% + 120px); max-width: none; object-fit: cover; filter: blur(32px) saturate(.85) brightness(.5); }
  .slayt__oge--dikey video {
    position: absolute; right: var(--kenar); top: calc(var(--baslik-yuk) + 28px);
    width: auto; height: calc(100% - var(--baslik-yuk) - 128px); aspect-ratio: 1080 / 1944;
    border-radius: 18px; border: 1px solid rgba(255,255,255,.14);
    box-shadow: 0 34px 70px -24px rgba(0,0,0,.75);
  }
  .hero:has(.slayt__oge--dikey.aktif) .hero__perde { background: linear-gradient(90deg, rgba(21,24,27,.88) 0%, rgba(21,24,27,.45) 50%, rgba(21,24,27,0) 68%), linear-gradient(0deg, rgba(21,24,27,.7) 0%, rgba(21,24,27,0) 18%); }
}
.hero__perde {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(90deg, rgba(21,24,27,.88) 0%, rgba(21,24,27,.55) 42%, rgba(21,24,27,.1) 75%),
    linear-gradient(0deg, rgba(21,24,27,.85) 0%, rgba(21,24,27,0) 45%),
    linear-gradient(180deg, rgba(21,24,27,.55) 0%, rgba(21,24,27,0) 22%);
}
.hero__ic { position: relative; z-index: 3; padding-top: calc(var(--baslik-yuk) + 60px); padding-bottom: 150px; }
.hero h1 { font-size: clamp(2.6rem, 5.8vw, 5.6rem); line-height: 1.02; letter-spacing: -0.04em; margin-bottom: .32em; }
.vurgu { color: var(--turuncu); }
.hero__metin { max-width: 540px; font-size: 1.15rem; line-height: 1.6; color: rgba(255,255,255,.8); margin-bottom: 2.1rem; }
.hero__butonlar { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__butonlar .btn { padding: 1.05em 1.6em; }

/* Cetvel: videolar arasında gezinme ve süre göstergesi */
.cetvel { position: absolute; left: 0; right: 0; bottom: 0; z-index: 6; padding-bottom: 30px; }
.slayt__noktalar { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 18px; margin-right: 230px; } /* sağdaki WhatsApp butonuna yer */
@media (max-width: 900px) { .slayt__noktalar { margin-right: 74px; } }
.slayt__noktalar button {
  background: none; border: 0; padding: 16px 0; cursor: pointer; text-align: left;
  color: rgba(255,255,255,.55); font-family: var(--font-mono); font-weight: 500; font-size: .76rem;
  letter-spacing: .07em; text-transform: uppercase; transition: color .2s;
}
.slayt__noktalar button:hover, .slayt__noktalar button.aktif { color: var(--beyaz); }
.cetvel__ad { display: none; } /* video adları gösterilmiyor; ekran okuyucu için aria-label kalır */
.cetvel__cizgi { display: block; position: relative; height: 2px; margin-top: 0; background: rgba(255,255,255,.22); }
.cetvel__cizgi::before { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 7px; background: repeating-linear-gradient(90deg, rgba(255,255,255,.3) 0 1px, transparent 1px 12px); pointer-events: none; }
.cetvel__dolu { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--turuncu); }
.slayt__noktalar button.gecti .cetvel__dolu { width: 100%; background: rgba(255,255,255,.6); }
.slayt__noktalar button.aktif .cetvel__dolu { animation: dolum var(--sure, 8000ms) linear forwards; }
@keyframes dolum { from { width: 0; } to { width: 100%; } }

@media (max-width: 760px) {
  .slayt__noktalar { gap: 8px; }
  .cetvel__ad { display: none; }
  .cetvel__cizgi { margin-top: 0; height: 3px; }
  .cetvel__cizgi::before { display: none; }
  .slayt__noktalar button { padding: 14px 0; }
  .cetvel { padding-bottom: 14px; }
}
@media (max-width: 640px) {
  .hero { min-height: min(88svh, 760px); }
  .hero__ic { padding-top: calc(var(--baslik-yuk) + 40px); padding-bottom: 76px; }
  .hero__perde { background: linear-gradient(0deg, rgba(21,24,27,.95) 12%, rgba(21,24,27,.45) 70%, rgba(21,24,27,.6) 100%); }
  .hero__butonlar .btn { width: 100%; }
}

/* ---------------------------------------------------------- Güven şeridi */
.serit { background: var(--kagit); padding: 32px var(--kenar) 0; }
.serit .serit__ic { max-width: calc(var(--kap) - 2 * var(--kenar)); margin: 0 auto; padding: 0; }
.serit__ic { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--beyaz); border: 1px solid var(--cizgi); border-radius: var(--r); overflow: hidden; }
.serit__oge { display: flex; gap: 16px; align-items: center; justify-content: center; padding: 30px 28px; border-right: 1px solid var(--cizgi); }
.serit__oge:last-child { border-right: 0; }
.serit svg { width: 30px; height: 30px; flex: none; fill: none; stroke: var(--turuncu); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.serit strong { display: block; font-family: var(--font-baslik); font-weight: 700; font-size: 1.02rem; letter-spacing: -0.01em; }
.serit span { display: block; font-size: .92rem; color: var(--duman); line-height: 1.45; margin-top: 2px; }
@media (max-width: 1000px) {
  .serit__ic { grid-template-columns: repeat(2, 1fr); }
  .serit__oge { padding: 22px 20px; }
  .serit__oge:nth-child(2) { border-right: 0; }
  .serit__oge:nth-child(-n+2) { border-bottom: 1px solid var(--cizgi); }
}

/* ---------------------------------------------------------- Bölümler */
.bolum { padding: 112px 0; }
.bolum-beyaz { background: var(--beyaz); }
.bolum-koyu { background: var(--grafit); color: var(--beyaz); }
.bolum-koyu .ikincil { color: var(--duman-acik); }
.bolum-koyu a:not(.btn) { color: var(--turuncu); }
.bolum__bas { max-width: 760px; margin-bottom: 56px; }
.bolum__bas h2 { margin-bottom: .35em; }
.bolum__bas--yan { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.bolum__bas--yan h2 { margin-bottom: 0; }
.bolum__alt { color: var(--duman); font-size: 1.12rem; margin: 0; max-width: 620px; }
.bolum__alt-btn { margin-top: 44px; }
@media (max-width: 640px) { .bolum { padding: 72px 0; } .bolum__bas { margin-bottom: 32px; } }

/* ---------------------------------------------------------- Hizmetler */
.hizmetler { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.hizmet { display: flex; flex-direction: column; background: var(--beyaz); border-radius: var(--r); overflow: hidden; box-shadow: 0 0 0 1px var(--cizgi); transition: box-shadow .3s, transform .3s; }
.hizmet:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px var(--cizgi), var(--golge); }
.hizmet__gorsel { aspect-ratio: 4 / 3; overflow: hidden; }
@media (max-width: 640px) { .hizmet__gorsel { aspect-ratio: 1; } } /* telefonda kare: dikey saha videosunda testere kadrajda kalır, kartlar eşit boyda */
.hizmet__gorsel img, .hizmet__gorsel video { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.hizmet:hover .hizmet__gorsel img, .hizmet:hover .hizmet__gorsel video { transform: scale(1.05); }
.hizmet__icerik { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.hizmet h3 { margin-bottom: .45em; }
.hizmet p { color: var(--duman); margin: 0 0 18px; font-size: 1rem; flex: 1; }
.hizmet__link { align-self: flex-start; font-family: var(--font-baslik); font-weight: 700; font-size: .95rem; text-decoration: none; color: var(--turuncu-yazi); border-bottom: 1.5px solid transparent; transition: border-color .15s; }
.hizmet__link:hover { border-bottom-color: currentColor; }
@media (max-width: 1000px) { .hizmetler { grid-template-columns: repeat(2, 1fr); gap: 20px; } }

/* ---------------------------------------------------------- Neden biz */
.neden__ic { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.neden__gorsel { position: relative; }
.neden__gorsel > img { border-radius: var(--r); aspect-ratio: 4 / 4.3; object-fit: cover; width: 100%; }
.neden__rozet { position: absolute; left: 24px; bottom: 24px; background: rgba(21,24,27,.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--cizgi-koyu); padding: 14px 20px 14px 14px; border-radius: var(--r-k); display: flex; align-items: center; gap: 14px; font-family: var(--font-baslik); font-weight: 700; font-size: .95rem; line-height: 1.3; }
.neden__rozet img { width: 46px; height: auto; }
.neden__liste { list-style: none; padding: 0; margin: 32px 0 40px; display: grid; gap: 0; }
.neden__liste li { padding: 18px 0 18px 46px; position: relative; border-top: 1px solid var(--cizgi-koyu); }
.neden__liste li:last-child { border-bottom: 1px solid var(--cizgi-koyu); }
.neden__liste li::before { content: ""; position: absolute; left: 0; top: 19px; width: 28px; height: 28px; border-radius: 8px; background: rgba(244,130,31,.14); }
.neden__liste li::after { content: ""; position: absolute; left: 10px; top: 26px; width: 7px; height: 12px; border-right: 2px solid var(--turuncu); border-bottom: 2px solid var(--turuncu); transform: rotate(40deg); }
.neden__liste strong { display: block; font-family: var(--font-baslik); font-size: 1.08rem; }
.neden__liste span { color: var(--duman-acik); font-size: .98rem; }
@media (max-width: 1000px) { .neden__ic { grid-template-columns: 1fr; gap: 48px; } }

/* ---------------------------------------------------------- Akan fotoğraf şeridi */
.akis { background: var(--grafit); padding: 0 0 12px; overflow: hidden; }
.akis__ray { display: flex; width: max-content; animation: akis 70s linear infinite; }
.akis:hover .akis__ray { animation-play-state: paused; }
.akis__grup { display: flex; gap: 12px; padding-right: 12px; }
.akis__oge { margin: 0; position: relative; width: 320px; height: 240px; overflow: hidden; border-radius: var(--r-k); }
.akis__oge img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.akis__oge:hover img { transform: scale(1.05); }
.akis__oge figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 36px 16px 12px; background: linear-gradient(0deg, rgba(21,24,27,.85), transparent); color: #fff; font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
@keyframes akis { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (max-width: 640px) { .akis__oge { width: 224px; height: 168px; } .akis__ray { animation-duration: 50s; } }

/* ---------------------------------------------------------- Süreç */
.adimlar { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.adimlar li { padding: 0 32px 0 0; position: relative; }
.adimlar li::after { content: ""; position: absolute; top: 26px; left: 68px; right: 20px; height: 1px; background: var(--cizgi); }
.adimlar li:last-child::after { display: none; }
.adim__no { width: 52px; height: 52px; display: grid; place-items: center; background: var(--turuncu-acik); border-radius: 12px; margin-bottom: 22px; }
.adim__no svg { width: 24px; height: 24px; fill: none; stroke: var(--turuncu-yazi); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.bolum-koyu .adim__no { background: rgba(244,130,31,.14); }
.bolum-koyu .adim__no svg { stroke: var(--turuncu); }
.adimlar h3 { font-size: 1.12rem; }
.adimlar p { color: var(--duman); font-size: .98rem; }
@media (max-width: 1000px) { .adimlar { grid-template-columns: repeat(2, 1fr); gap: 40px 0; } .adimlar li:nth-child(2)::after { display: none; } }

/* ---------------------------------------------------------- Galeri */
.filtre { display: flex; flex-wrap: wrap; gap: 8px; }
.filtre__btn { font: 500 .93rem var(--font-metin); padding: 9px 16px; border-radius: 999px; border: 1px solid var(--cizgi); background: var(--beyaz); cursor: pointer; color: var(--metin); transition: all .15s; }
.filtre__btn:hover { border-color: var(--metin); }
.filtre__btn.aktif { background: var(--grafit); border-color: var(--grafit); color: var(--beyaz); }
.galeri { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 240px; grid-auto-flow: dense; gap: 14px; }
.galeri__oge { position: relative; overflow: hidden; border-radius: var(--r-k); background: var(--grafit-2); color: var(--beyaz); text-decoration: none; }
.galeri__oge.buyuk { grid-column: span 2; grid-row: span 2; }
.galeri__oge.genis { grid-column: span 2; }
.galeri__oge.uzun { grid-row: span 2; }
.galeri__oge img, .galeri__oge video { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.galeri__oge:hover img, .galeri__oge:hover video { transform: scale(1.05); }
.galeri__oge::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(21,24,27,.72), transparent 48%); }
.galeri__oge > span { position: absolute; left: 16px; bottom: 14px; z-index: 1; display: inline-flex; align-items: center; font-family: var(--font-mono); font-weight: 500; font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; }
.galeri__oge.video > span::before { content: ""; width: 26px; height: 26px; margin-right: 10px; border-radius: 50%; background: var(--turuncu) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 7l8 5-8 5z' fill='%2315181B'/%3E%3C/svg%3E") center / 16px no-repeat; }
.galeri__oge.gizli { display: none; }
@media (max-width: 1000px) { .galeri { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; } }
@media (max-width: 520px) { .galeri { grid-auto-rows: 160px; gap: 10px; } }

/* Işık kutusu */
.isik { position: fixed; inset: 0; z-index: 200; background: rgba(12,14,16,.95); display: grid; place-items: center; padding: 24px; }
.isik[hidden] { display: none; }
.isik__icerik { margin: 0; max-width: min(1200px, 92vw); }
.isik__icerik img, .isik__icerik video { max-height: 80vh; width: auto; margin: 0 auto; border-radius: var(--r-k); }
.isik figcaption { color: var(--duman-acik); text-align: center; margin-top: 14px; font-family: var(--font-mono); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }
.isik button { position: absolute; background: rgba(255,255,255,.08); color: #fff; border: 0; cursor: pointer; font-size: 2rem; width: 52px; height: 52px; border-radius: 50%; line-height: 1; transition: background-color .15s, color .15s; }
.isik button:hover { background: var(--turuncu); color: var(--grafit); }
.isik__kapat { top: 20px; right: 20px; }
.isik__ok--sol { left: 20px; top: 50%; transform: translateY(-50%); }
.isik__ok--sag { right: 20px; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) { .isik__ok { top: auto !important; bottom: 20px; transform: none !important; } }

/* ---------------------------------------------------------- Referanslar */
.referanslar { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(196px, 1fr)); gap: 14px; }
.ref { background: var(--beyaz); border: 1px solid var(--cizgi); border-radius: var(--r-k); height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 18px 18px 40px; position: relative; transition: border-color .2s, box-shadow .2s; }
.ref:hover { border-color: #CFCDC6; box-shadow: var(--golge); }
.ref img { max-width: 100%; max-height: 76px; width: auto; height: auto; object-fit: contain; }
.ref--koyu { background: var(--grafit); border-color: var(--grafit); }
.ref--koyu .ref__ad { color: var(--duman-acik); }
.ref--foto { background: #2C3440; border-color: #2C3440; }
.ref--foto img { border-radius: 4px; max-height: 84px; }
.ref__ad { position: absolute; bottom: 12px; left: 10px; right: 10px; text-align: center; font-size: .78rem; font-weight: 500; color: var(--duman); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ref__marka { font-family: var(--font-baslik); font-weight: 800; font-size: 1.12rem; color: var(--grafit-3); text-align: center; line-height: 1.05; display: flex; flex-direction: column; align-items: center; gap: 6px; letter-spacing: -0.01em; }
.ref__marka small { font-family: var(--font-mono); font-weight: 500; font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--duman); padding-top: 6px; border-top: 2px solid var(--turuncu); }
@media (max-width: 520px) { .referanslar { grid-template-columns: repeat(2, 1fr); gap: 10px; } .ref { height: 124px; padding: 14px 12px 34px; } .ref img { max-height: 58px; } .ref__marka { font-size: .95rem; } }

/* ---------------------------------------------------------- Hakkımızda */
.hakkimizda { display: grid; grid-template-columns: 1fr 1.05fr; gap: 80px; align-items: center; }
.hakkimizda__metin p { color: #3E4449; }
.hakkimizda__alanlar { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 34px; }
.hakkimizda__alanlar span { background: var(--kagit); border: 1px solid var(--cizgi); font-weight: 500; font-size: .9rem; padding: 7px 14px; border-radius: 999px; }
.hakkimizda__btn { display: flex; flex-wrap: wrap; gap: 12px; }
.hakkimizda__gorseller { position: relative; padding: 0 0 56px 56px; }
.hakkimizda__gorseller img, .hakkimizda__gorseller video { border-radius: var(--r); object-fit: cover; display: block; }
.hg-1 { width: 100%; aspect-ratio: 4 / 3; }
.hg-2 { position: absolute; left: 0; bottom: 0; width: 44%; aspect-ratio: 1; border: 6px solid var(--beyaz); }
@media (max-width: 1000px) { .hakkimizda { grid-template-columns: 1fr; gap: 48px; } .hakkimizda__gorseller { padding: 0 0 36px 28px; } }

/* ---------------------------------------------------------- İletişim */
.iletisim { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: start; }
.kanal { display: flex; align-items: center; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--cizgi-koyu); text-decoration: none; color: var(--beyaz) !important; }
.kanal small { display: block; color: var(--duman-acik); font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 2px; }
.kanal strong { font-family: var(--font-baslik); font-size: 1.22rem; font-weight: 700; letter-spacing: -0.01em; }
.kanal em { display: block; font-style: normal; color: var(--duman-acik); font-size: .9rem; margin-top: 2px; }
a.kanal:hover strong { color: var(--turuncu); }
.kanal__ikon { width: 52px; height: 52px; flex: none; border-radius: 12px; display: grid; place-items: center; background: var(--grafit-3); }
.kanal__ikon svg { width: 24px; height: 24px; fill: none; stroke: var(--turuncu); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.kanal__ikon--wa { background: var(--wa); }
.kanal__ikon--wa svg { fill: #fff; stroke: none; color: #fff; }
.form { background: var(--beyaz); color: var(--metin); padding: 40px; border-radius: var(--r); }
.form h3 { font-size: 1.45rem; margin-bottom: .3em; }
.form__not { color: var(--duman); font-size: .95rem; }
.form label { display: block; font-weight: 500; font-size: .93rem; margin-bottom: 14px; }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 6px; font: 400 1rem var(--font-metin); padding: 13px 14px; border: 1px solid var(--cizgi); border-radius: var(--r-k); background: var(--kagit); color: var(--metin); transition: border-color .15s, background-color .15s, box-shadow .15s; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--turuncu); background: var(--beyaz); box-shadow: 0 0 0 3px rgba(244,130,31,.18); }
.form textarea { resize: vertical; }
.form__satir { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form__hata { color: #B3261E; font-weight: 600; font-size: .95rem; min-height: 1.2em; margin: 0 0 8px; }
.form__gonder { width: 100%; padding: 1.05em; }
@media (max-width: 1000px) { .iletisim { grid-template-columns: 1fr; gap: 48px; } }
@media (max-width: 520px) { .form { padding: 26px 20px; } .form__satir { grid-template-columns: 1fr; gap: 0; } }

/* Harita */
.harita { position: relative; height: 460px; background: var(--grafit-2); }
.harita iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.3); }
.harita__kart-kap { position: relative; height: 100%; display: flex; align-items: flex-end; justify-content: flex-end; padding-bottom: 32px; pointer-events: none; }
.harita__kart { pointer-events: auto; background: var(--beyaz); border-radius: var(--r); padding: 24px 26px; max-width: 340px; box-shadow: var(--golge); display: grid; gap: 8px; }
.harita__kart strong { font-family: var(--font-baslik); font-size: 1.08rem; }
.harita__kart span { color: var(--duman); font-size: .97rem; }
.harita__kart .btn { margin-top: 8px; justify-self: start; }
@media (max-width: 640px) { .harita { height: auto; } .harita iframe { position: static; height: 320px; display: block; } .harita__kart-kap { height: auto; padding-top: 16px; padding-bottom: 16px; } .harita__kart { max-width: none; width: 100%; box-shadow: none; } }

/* ---------------------------------------------------------- SSS */
.sss { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.sss__liste details { border-bottom: 1px solid var(--cizgi); }
.sss__liste details:first-child { border-top: 1px solid var(--cizgi); }
.sss__liste summary { list-style: none; cursor: pointer; padding: 22px 52px 22px 0; position: relative; font-family: var(--font-baslik); font-weight: 700; font-size: 1.08rem; line-height: 1.4; letter-spacing: -0.01em; }
.sss__liste summary::-webkit-details-marker { display: none; }
.sss__liste summary::after { content: "+"; position: absolute; right: 2px; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--kagit); border: 1px solid var(--cizgi); color: var(--metin); font-size: 1.25rem; font-weight: 500; }
.sss__liste details[open] summary::after { content: "–"; background: var(--turuncu); border-color: var(--turuncu); color: var(--grafit); }
.sss__liste details > div { padding: 0 0 22px; color: #3E4449; }
.sss__liste details > div p:last-child { margin: 0; }
@media (max-width: 1000px) { .sss { grid-template-columns: 1fr; gap: 24px; } }

/* ---------------------------------------------------------- Blog kartları */
.bloglar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-kart { background: var(--beyaz); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; text-decoration: none; color: inherit; box-shadow: 0 0 0 1px var(--cizgi); transition: transform .3s, box-shadow .3s; }
.blog-kart:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px var(--cizgi), var(--golge); }
.blog-kart img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.blog-kart__ic { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.blog-kart__kat { font-family: var(--font-mono); font-size: .72rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--turuncu-yazi); margin-bottom: 10px; }
.blog-kart h3 { font-size: 1.14rem; line-height: 1.32; margin-bottom: .5em; }
.blog-kart p { color: var(--duman); font-size: .98rem; flex: 1; }
.blog-kart__devam { font-family: var(--font-baslik); font-weight: 700; color: var(--turuncu-yazi); font-size: .93rem; }
@media (max-width: 1000px) { .bloglar { grid-template-columns: repeat(2, 1fr); gap: 20px; } }

/* Hizmet bölgesi */
.bolge { display: flex; flex-wrap: wrap; gap: 10px; }
.bolge span { background: var(--beyaz); border: 1px solid var(--cizgi); padding: 8px 16px; border-radius: 999px; font-weight: 500; font-size: .95rem; }
.bolge span.ana { background: var(--grafit); color: var(--beyaz); border-color: var(--grafit); }

/* ---------------------------------------------------------- Alt bilgi */
.altbilgi { background: var(--grafit); color: var(--duman-acik); padding-top: 80px; }
.altbilgi__ic { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 48px; padding-bottom: 56px; }
.altbilgi__marka p { max-width: 280px; }
.altbilgi h4 { color: var(--beyaz); font-family: var(--font-mono); font-weight: 500; font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.4em; }
.altbilgi ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: .97rem; }
.altbilgi a { color: var(--duman-acik); text-decoration: none; transition: color .15s; }
.altbilgi a:hover { color: var(--beyaz); }
.altbilgi__alt { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; padding-bottom: 24px; border-top: 1px solid var(--cizgi-koyu); font-size: .88rem; }
@media (max-width: 1000px) { .altbilgi__ic { grid-template-columns: 1fr 1fr; } .altbilgi__marka { grid-column: 1 / -1; } }

/* ---------------------------------------------------------- Sabit WhatsApp butonu */
.wa-sabit {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: flex; align-items: center; gap: 10px;
  background: var(--wa); color: #fff; text-decoration: none;
  height: 58px; padding: 0 22px 0 16px; border-radius: 999px;
  box-shadow: 0 12px 28px -10px rgba(37, 211, 102, .7);
  font-weight: 600; font-size: .98rem;
  transition: transform .2s, box-shadow .2s;
}
.wa-sabit svg { width: 28px; height: 28px; color: #fff; flex: none; }
.wa-sabit:hover { transform: translateY(-3px); }
@media (max-width: 900px) { .wa-sabit__yazi { display: none; } .wa-sabit { padding: 0; width: 58px; justify-content: center; } }
@media (max-width: 640px) { .wa-sabit { right: 16px; bottom: 16px; width: 54px; height: 54px; } .wa-sabit svg { width: 27px; height: 27px; } }

/* ---------------------------------------------------------- Alt sayfa başlığı */
.sayfa-bas { background: var(--grafit); color: var(--beyaz); padding: 96px 0 80px; position: relative; overflow: hidden; }
.sayfa-bas__arka { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .22; }
.sayfa-bas::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(21,24,27,.9), rgba(21,24,27,.2)); }
.sayfa-bas .kap { position: relative; z-index: 1; }
.sayfa-bas h1 { font-size: clamp(2.2rem, 4.6vw, 3.9rem); max-width: 22ch; letter-spacing: -0.035em; }
.sayfa-bas p { color: rgba(255,255,255,.78); max-width: 640px; font-size: 1.13rem; margin: 0; }
.kirinti { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 24px; color: var(--duman-acik); }
.kirinti a { color: var(--duman-acik); text-decoration: none; }
.kirinti a:hover { color: var(--beyaz); }
.kirinti span { margin: 0 10px; }
.yazi-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 22px; font-size: .92rem; color: var(--duman-acik); }

/* ---------------------------------------------------------- Blog yazısı */
.yazi-duzen { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; padding: 64px var(--kenar) 104px; align-items: start; }
.yazi { background: var(--beyaz); border-radius: var(--r); padding: 52px 56px; box-shadow: 0 0 0 1px var(--cizgi); }
.yazi > img:first-child { border-radius: var(--r-k); margin-bottom: 34px; width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.yazi h2 { font-size: 1.6rem; margin-top: 1.7em; }
.yazi h3 { font-size: 1.2rem; margin-top: 1.4em; }
.yazi p, .yazi li { color: #2E3236; }
.yazi ul, .yazi ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.yazi li { margin-bottom: .45em; }
.yazi li::marker { color: var(--turuncu-yazi); font-weight: 700; }
.yazi table { width: 100%; border-collapse: collapse; margin: 0 0 1.4em; font-size: .97rem; display: block; overflow-x: auto; }
.yazi th, .yazi td { border-bottom: 1px solid var(--cizgi); padding: 11px 14px; text-align: left; vertical-align: top; }
.yazi th { background: var(--kagit); font-weight: 600; }
.ozet-kutu { background: var(--turuncu-acik); border-left: 4px solid var(--turuncu); padding: 22px 26px; border-radius: 0 var(--r-k) var(--r-k) 0; margin: 0 0 28px; }
.ozet-kutu strong:first-child { display: block; font-family: var(--font-mono); font-weight: 500; text-transform: uppercase; font-size: .74rem; letter-spacing: .1em; color: var(--turuncu-yazi); margin-bottom: 6px; }
.ozet-kutu p:last-child { margin: 0; }
.uyari-kutu { background: var(--kagit); border: 1px solid var(--cizgi); padding: 20px 24px; border-radius: var(--r-k); margin: 0 0 1.4em; }
.yazi-cta { margin-top: 44px; background: var(--grafit); color: var(--beyaz); border-radius: var(--r); padding: 32px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.yazi-cta h3 { margin: 0 0 .3em; color: var(--beyaz); }
.yazi-cta p { margin: 0; color: var(--duman-acik) !important; }
.yazi-cta .btnler { display: flex; gap: 10px; flex-wrap: wrap; }
.yan { position: sticky; top: 100px; display: grid; gap: 20px; }
.yan-kutu { background: var(--beyaz); border-radius: var(--r); padding: 26px; box-shadow: 0 0 0 1px var(--cizgi); }
.yan-kutu h4 { font-family: var(--font-mono); font-weight: 500; font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; }
.yan-kutu ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.yan-kutu li a { display: block; padding: 10px 0; text-decoration: none; color: var(--metin); font-weight: 500; border-bottom: 1px solid var(--cizgi); line-height: 1.35; font-size: .97rem; }
.yan-kutu li:last-child a { border-bottom: 0; }
.yan-kutu li a:hover { color: var(--turuncu-yazi); }
.yan-kutu--koyu { background: var(--grafit); color: var(--beyaz); box-shadow: none; }
.yan-kutu--koyu h4 { color: var(--turuncu); }
.yan-kutu--koyu p { color: var(--duman-acik); font-size: .98rem; }
.yan-kutu--koyu .btn { width: 100%; margin-top: 8px; }
@media (max-width: 1080px) { .yazi-duzen { grid-template-columns: 1fr; } .yan { position: static; } }
@media (max-width: 640px) { .yazi { padding: 26px 18px; } .yazi-duzen { padding: 28px 16px 64px; } .yazi h2 { font-size: 1.35rem; } }

/* ---------------------------------------------------------- Mobil: sade görünüm */
@media (max-width: 640px) {
  .hero__metin, .bolum__alt, .sayfa-bas p,
  .serit span, .hizmet p, .neden__metin .ikincil, .neden__liste span,
  .adimlar p, .hakkimizda__metin p + p, .hakkimizda__alanlar, .blog-kart p,
  .altbilgi__marka p, .form__not, .iletisim__bilgi .ikincil { display: none; }

  .hero h1 { font-size: 2.45rem; margin-bottom: .55em; }

  .serit { padding-top: 24px; }
  .serit__oge:nth-child(odd) { border-right: 1px solid var(--cizgi); }
  .serit__ic { grid-auto-rows: 1fr; }
  .serit__oge { flex-direction: column; justify-content: center; text-align: center; padding: 18px 8px; gap: 8px; }
  .serit strong { white-space: nowrap; }
  .serit__oge:nth-last-child(-n+2) { border-bottom: 0; }
  .serit svg { width: 24px; height: 24px; }
  .serit strong { font-size: .84rem; }

  .hizmetler { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hizmet__icerik { padding: 14px 14px 16px; }
  .hizmet h3 { font-size: .95rem; margin-bottom: .5em; }
  .hizmet__link { font-size: .85rem; }

  .neden__ic { gap: 32px; }
  .neden__liste { margin: 18px 0 26px; }
  .neden__liste li { padding: 14px 0 14px 42px; }
  .neden__liste li::before { top: 12px; }
  .neden__liste li::after { top: 19px; }

  .adimlar { grid-template-columns: 1fr 1fr; gap: 28px 14px; }
  .adimlar li { padding: 0; }
  .adimlar li::after { display: none; }
  .adim__no { width: 44px; height: 44px; margin-bottom: 12px; }
  .adimlar h3 { font-size: .95rem; }

  .bloglar { grid-template-columns: 1fr 1fr; gap: 12px; }
  .blog-kart__ic { padding: 12px 14px 14px; }
  .blog-kart h3 { font-size: .9rem; }
  .blog-kart__kat { font-size: .62rem; }
  .blog-kart__devam { display: none; }
  #blog .blog-kart:nth-child(n+3), .referanslar--ozet .ref:nth-child(n+7) { display: none; }

  .sayfa-bas { padding: 52px 0 44px; }
  .altbilgi { padding-top: 56px; }
  .altbilgi__ic { gap: 28px; padding-bottom: 32px; }
}

/* ---------------------------------------------------------- Görünürlük animasyonu */
.gor { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.gor.gorundu { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .gor { opacity: 1; transform: none; transition: none; }
  .akis__ray { animation: none; }
  .akis { overflow-x: auto; }
  .slayt__noktalar button.aktif .cetvel__dolu { animation: none; width: 100%; }
}