/* atlas — ana sayfa */

/* ---------- Kaydırıcı: menü kutusu üstünde yüzer ---------- */
.at-kaydirici { position: relative; width: 100%; aspect-ratio: 1920 / 760; max-height: 900px; overflow: hidden; background: var(--at-koyu); outline: none; }
.at-kaydirici.is-yazili { aspect-ratio: auto; height: 100vh; min-height: 600px; }
.at-slayt { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.2s, visibility 1.2s; }
.at-slayt.is-aktif, .at-kaydirici.is-tek .at-slayt { opacity: 1; visibility: visible; }
.at-slayt > img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 7s linear; }
.at-slayt.is-aktif > img { transform: scale(1); }
.at-kaydirici.is-yazili .at-slayt::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 14, 20, .75) 0%, rgba(10, 14, 20, .2) 70%), linear-gradient(0deg, var(--at-ana) 0%, rgba(0, 0, 0, 0) 45%); opacity: .9; }
.at-slayt-link { position: absolute; inset: 0; z-index: 2; }
.at-slayt .at-kap { position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; padding-top: 80px; }
.at-slayt-yazi { max-width: 640px; opacity: 0; transform: translateY(30px); transition: opacity 1s .4s, transform 1s .4s var(--at-gecis); }
.at-slayt.is-aktif .at-slayt-yazi { opacity: 1; transform: none; }
.at-slayt-yazi h2 { margin-bottom: 20px; font-size: clamp(40px, 5.4vw, 84px); line-height: 1.05; color: var(--at-beyaz); }
.at-slayt-yazi p { max-width: 520px; margin-bottom: 26px; font-size: 17px; color: rgba(255, 255, 255, .9); }
.at-kay-ok { position: absolute; top: 50%; z-index: 3; display: grid; place-items: center; width: 54px; height: 54px; margin-top: -27px; padding: 0; border: 0; background: none; color: var(--at-beyaz); cursor: pointer; opacity: .75; transition: opacity .3s, transform .3s; }
.at-kay-ok:hover { opacity: 1; }
.at-kay-sol:hover { transform: translateX(-4px); }
.at-kay-sag:hover { transform: translateX(4px); }
.at-kay-ok svg { width: 34px; height: 34px; filter: drop-shadow(0 1px 4px rgba(0, 0, 0, .5)); }
.at-kay-sol { left: 18px; }
.at-kay-sag { right: 18px; }
.at-noktalar { position: absolute; left: 0; right: 0; bottom: 22px; z-index: 3; display: flex; justify-content: center; gap: 8px; }
.at-noktalar button { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 5px; background: rgba(255, 255, 255, .55); cursor: pointer; transition: width .4s var(--at-gecis), background-color .3s; }
.at-noktalar button.is-secili { width: 26px; background: var(--at-beyaz); }

/* ---------- Video vitrin + üstüne binen kutular ---------- */
.at-video-vitrin { position: relative; height: 100vh; min-height: 620px; max-height: 960px; overflow: hidden; background: var(--at-koyu); }
.at-video-vitrin video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.at-video-vitrin::after { content: ""; position: absolute; inset: 0; background: rgba(10, 14, 20, .28); }
.at-video-kutular { position: absolute; left: 0; right: 0; bottom: 34px; z-index: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.at-video-kutu { display: flex; flex-direction: column; gap: 6px; padding: 26px 24px; border-radius: var(--at-yuvarlak); background: var(--at-beyaz); text-align: center; transition: background-color .35s, color .35s; }
.at-video-kutu b { font-family: var(--at-baslik-font); font-size: 24px; font-weight: 700; color: var(--at-ana); transition: color .35s; }
.at-video-kutu span { font-size: 14px; line-height: 1.6; }
.at-video-kutu:hover { background: var(--at-ana); color: var(--at-beyaz); }
.at-video-kutu:hover b { color: var(--at-beyaz); }

/* ---------- Özellik kutuları ---------- */
.at-ozellik-bolum { padding: 70px 0 0; }
.at-ozellikler { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.at-ozellik { display: flex; flex-direction: column; gap: 10px; padding: 34px 30px; border-radius: var(--at-yuvarlak); background: var(--at-ana-acik); transition: background-color .35s, color .35s; }
.at-ozellik b { font-family: var(--at-baslik-font); font-size: 22px; font-weight: 700; color: var(--at-koyu); transition: color .35s; }
.at-ozellik p { margin: 0; font-size: 15px; }
.at-ozellik-ikon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 6px; border-radius: 50%; background: var(--at-ana); color: var(--at-beyaz); transform: rotate(-45deg); transition: transform .4s var(--at-gecis), background-color .35s; }
.at-ozellik-ikon svg { width: 20px; height: 20px; }
.at-ozellik:hover { background: var(--at-ana); color: rgba(255, 255, 255, .9); }
.at-ozellik:hover b { color: var(--at-beyaz); }
.at-ozellik:hover .at-ozellik-ikon { transform: none; background: var(--at-beyaz); color: var(--at-ana); }

/* ---------- Proje bildirimi + belgeler ---------- */
.at-ab-ic { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: center; }
.at-ab-yazi img { max-width: 360px; margin-bottom: 18px; }
.at-ab-yazi p { margin: 0; color: var(--at-soluk); }
.at-belgeler li { border-bottom: 1px solid var(--at-cizgi); }
.at-belgeler a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 4px; font-weight: 600; color: var(--at-koyu); transition: color .3s, padding-left .3s var(--at-gecis); }
.at-belgeler a svg { width: 22px; height: 22px; flex: 0 0 auto; color: var(--at-ana); transition: transform .3s; }
.at-belgeler a:hover { padding-left: 12px; color: var(--at-ana); }
.at-belgeler a:hover svg { transform: translateY(-2px) rotate(-6deg); }

/* ---------- Sanal tur / tanıtım videosu kartları ---------- */
.at-tur-bolum { padding: 90px 0; background: var(--at-koyu); }
.at-tur-ic { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.at-tur-kart { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 44px 24px; border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--at-yuvarlak); color: var(--at-beyaz); text-align: center; transition: background-color .35s, border-color .35s; }
.at-tur-kart:hover { background: var(--at-ana); border-color: var(--at-ana); }
.at-tur-ikon { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: var(--at-beyaz); color: var(--at-ana); transition: transform .5s var(--at-gecis); }
.at-tur-ikon svg { width: 34px; height: 34px; }
.at-tur-kart:hover .at-tur-ikon { transform: scale(1.08) rotate(-8deg); }
.at-tur-kart b { font-family: var(--at-baslik-font); font-size: 22px; font-weight: 700; }

/* ---------- Tanıtım ---------- */
.at-tanitim { background: linear-gradient(180deg, var(--at-beyaz) 55%, var(--at-ana-acik) 100%); }
.at-tanitim-ic { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: center; }
.at-tanitim-metin .at-metin { margin-bottom: 20px; }

/* İki görselli kompozisyon: büyük görsel + sağ alta binen küçük görsel */
.at-kompozisyon { position: relative; }
.at-kompozisyon img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--at-yuvarlak); }
.at-kompozisyon.is-cift { padding: 0 0 70px 0; }
.at-kompozisyon.is-cift img:first-child { width: 90%; }
.at-kompozisyon.is-cift img:last-child { position: absolute; right: 0; bottom: 0; width: 52%; box-shadow: 0 20px 50px rgba(15, 30, 50, .25); }

/* Görsel yoksa: renkli kategori paneli */
.at-tanitim-panel { display: grid; gap: 30px; padding: 42px 44px; border-radius: var(--at-yuvarlak); background: var(--at-ana); color: var(--at-beyaz); }
.at-panel-grup h2 { margin-bottom: 10px; font-size: 26px; color: var(--at-beyaz); }
.at-panel-grup ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.at-panel-grup li a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, .18); font-weight: 600; color: rgba(255, 255, 255, .92); transition: color .3s, padding-left .3s var(--at-gecis); }
.at-panel-grup li a svg { width: 16px; height: 16px; flex: 0 0 auto; opacity: .6; transition: transform .3s, opacity .3s; }
.at-panel-grup li a:hover { padding-left: 6px; color: var(--at-beyaz); }
.at-panel-grup li a:hover svg { opacity: 1; transform: translateX(3px); }

.at-tumu { margin: 44px 0 0; text-align: center; }

/* ---------- Paralaks bant ---------- */
.at-paralaks { position: relative; padding: 110px 0; background-size: cover; background-position: center; background-attachment: fixed; text-align: center; }
.at-paralaks::before { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, var(--at-ana) 0%, rgba(10, 14, 20, .55) 70%); opacity: .9; }
.at-paralaks .at-kap { position: relative; max-width: 760px; }
.at-paralaks h2 { margin-bottom: 14px; font-size: clamp(26px, 2.8vw, 36px); color: var(--at-beyaz); }
.at-paralaks p { margin: 0; color: rgba(255, 255, 255, .9); }
.at-paralaks.is-duz { background: var(--at-ana); }
.at-paralaks.is-duz::before { display: none; }
.at-paralaks .at-dugme { margin-top: 26px; }

/* ---------- Sayaçlar ---------- */
.at-sayac-bolum { background: var(--at-ana-acik); }
.at-sayaclar { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.at-sayac { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 36px 20px; border-radius: var(--at-yuvarlak); background: var(--at-beyaz); text-align: center; transition: box-shadow .4s; }
.at-sayac:hover { box-shadow: 0 18px 40px rgba(15, 30, 50, .1); }
.at-sayac b { font-family: var(--at-baslik-font, inherit); font-size: clamp(40px, 4.4vw, 56px); font-weight: 700; line-height: 1; color: var(--at-ana); }
.at-sayac > span { font-weight: 600; color: var(--at-koyu); }

/* ---------- Referans şeridi ---------- */
.at-referans { padding-top: 80px; }
.at-serit-iz { display: flex; gap: 50px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.at-serit-iz::-webkit-scrollbar { display: none; }
.at-serit-iz span { flex: 0 0 auto; display: grid; place-items: center; width: 150px; height: 110px; scroll-snap-align: start; }
.at-serit-iz img { max-width: 100%; max-height: 100%; width: auto; object-fit: contain; transition: transform .4s var(--at-gecis); }
.at-serit-iz span:hover img { transform: scale(1.08); }

/* ---------- SSS ---------- */
.at-sss-ic { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: start; }

@media (max-width: 991px) {
	.at-video-kutular { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.at-ab-ic { grid-template-columns: minmax(0, 1fr); gap: 30px; }
	.at-kaydirici:not(.is-yazili) { margin-top: 92px; }
	.at-tanitim-ic, .at-sss-ic { grid-template-columns: minmax(0, 1fr); gap: 40px; }
	.at-paralaks { background-attachment: scroll; }
}
@media (max-width: 640px) {
	.at-video-vitrin { height: 78vh; min-height: 520px; }
	.at-video-kutular { gap: 10px; bottom: 16px; }
	.at-video-kutu { padding: 14px 10px; }
	.at-video-kutu b { font-size: 17px; }
	.at-video-kutu span { display: none; }
	.at-tur-bolum { padding: 60px 0; }
	.at-kaydirici.is-yazili { height: auto; min-height: 560px; }
	.at-kay-ok { display: none; }
	.at-noktalar { bottom: 10px; }
	.at-tanitim-panel { padding: 28px 22px; }
	.at-panel-grup ul { grid-template-columns: minmax(0, 1fr); }
	.at-kompozisyon.is-cift { padding-bottom: 40px; }
	.at-serit-iz { gap: 24px; }
	.at-serit-iz span { width: 110px; height: 84px; }
	.at-paralaks { padding: 70px 0; }
}