/* ytsejam · ana sayfa sahnesi. Yalnızca ana sayfada yüklenir. */

body.sahneli { background: var(--bg); overflow-x: hidden; }
body.sahneli::before, body.sahneli::after { display: none; }

#sahne { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; pointer-events: none; }

.sahneli .site-header { background: linear-gradient(to bottom, color-mix(in srgb, var(--bg) 80%, transparent), color-mix(in srgb, var(--bg) 20%, transparent)); backdrop-filter: blur(10px) saturate(1.2); border-bottom-color: transparent; }
.sahneli ::selection { background: color-mix(in srgb, var(--azure) 45%, transparent); color: var(--ink); }
.sahneli .site-footer { position: relative; z-index: 2; background: color-mix(in srgb, var(--bg) 70%, transparent); }

.perdeler { position: relative; z-index: 1; overflow-x: clip; }
.perde { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 96px 0; }
.perde-ic { position: relative; width: min(1180px, 100% - 48px); margin-inline: auto; }
.perde-ic.sol { max-width: 1180px; }
.perde-ic.sol > * { max-width: 580px; }
.perde-ic.orta { text-align: center; }
.perde-ic.orta > * { margin-inline: auto; }
.perde-ic.genis { max-width: 1100px; }

/* parçacıkların üstünde okunurluk: yazının arkasına yumuşak, sahne renginde bir sis */
.perde-ic::before { content: ''; position: absolute; z-index: -1; pointer-events: none; inset: -12% 0;
  background: radial-gradient(ellipse 62% 58% at 32% 50%, color-mix(in srgb, var(--bg) 78%, transparent), transparent 100%); }
.perde-ic.orta::before, .perde-ic.genis::before { background: radial-gradient(ellipse 52% 56% at 50% 50%, color-mix(in srgb, var(--bg) 72%, transparent), transparent 100%); }
.perde-acilis .perde-ic::before { background: radial-gradient(ellipse 58% 70% at 28% 50%, color-mix(in srgb, var(--bg) 82%, transparent), transparent 100%); }

.etiket { display: flex; align-items: center; gap: 14px; align-self: auto; font-family: var(--mono); font-size: .84rem; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--azure);
  border: 0; border-radius: 0; padding: 0; background: none; margin: 0 0 28px; }
.etiket::before { content: ''; width: 36px; height: 1px; background: currentColor; opacity: .7; flex: none; }
.orta .etiket { justify-content: center; }
.orta .etiket::after { content: ''; width: 36px; height: 1px; background: currentColor; opacity: .7; flex: none; }
.dev { font-family: var(--head); font-weight: 800; letter-spacing: -.035em; word-spacing: .1em; line-height: 1.02; font-size: clamp(2.5rem, 7.6vw, 6.4rem); color: var(--ink); margin: 0 0 30px; text-wrap: balance; text-shadow: 0 2px 40px color-mix(in srgb, var(--bg) 90%, transparent); }
.kucuk { color: var(--txt); font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 1.7; max-width: 50ch; margin: 0 0 24px; text-shadow: 0 1px 14px var(--bg), 0 0 3px color-mix(in srgb, var(--bg) 80%, transparent); }
.orta .kucuk { margin-inline: auto; }
kbd { font-family: var(--mono); font-size: .85em; padding: 1px 7px; border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 6px; color: var(--ink); background: color-mix(in srgb, var(--panel) 80%, transparent); }

/* açılış */
.perde-acilis { padding: 88px 0 72px; }
@media (max-height: 860px) { .kaydir { display: none; } }
.perde-acilis h1 { margin: 0 0 26px; font-family: var(--head); font-weight: 800; letter-spacing: -.04em; word-spacing: .12em; line-height: .96; font-size: clamp(2.7rem, min(10.4vw, 13.2svh), 8.6rem); }
.satir { display: block; overflow: hidden; padding: .1em 0 .1em; margin: -.1em 0 -.1em; }
.satir-ic { display: block; color: var(--ink); }
.satir:nth-child(2) .satir-ic { color: var(--azure); }
.satir:nth-child(3) .satir-ic { color: var(--emerald); }
.giris-metin { max-width: 46ch; color: var(--txt); font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.7; margin: 0 0 26px; text-shadow: 0 1px 14px var(--bg), 0 0 3px color-mix(in srgb, var(--bg) 80%, transparent); }
.etiketler { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; }
.etiketler span { font-family: var(--mono); font-size: .84rem; letter-spacing: .08em; padding: 8px 15px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--txt); background: color-mix(in srgb, var(--bg) 55%, transparent); backdrop-filter: blur(6px); }
.kaydir { position: absolute; left: 50%; bottom: 28px; width: 26px; height: 44px; margin-left: -13px; border: 1.5px solid var(--line-2); border-radius: 14px; }
.kaydir span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 3px; background: var(--azure); }

/* giriş animasyonu (JS yoksa her şey görünür kalır) */
.js .gir { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1); }
.js .gir.gorundu { opacity: 1; transform: none; }
.js .satir-ic { transform: translateY(150%); transition: transform 1.1s cubic-bezier(.2, .8, .2, 1); transition-delay: calc(var(--i) * .14s + .15s); }
.js .perde-acilis.hazir .satir-ic { transform: none; }
.js .kaydir span { animation: kaydir 1.8s ease-in-out infinite; }
@keyframes kaydir { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* perde numarası: büyük, çizgi halinde, çok silik (backend: .perde[data-no]) */
.perde[data-no]::after { content: attr(data-no); position: absolute; z-index: -1; pointer-events: none; right: 3vw; top: 12vh; font-family: var(--head); font-weight: 800; font-size: clamp(7rem, 17vw, 16rem); line-height: .8; letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1px color-mix(in srgb, var(--ink) 12%, transparent); }
.perde-acilis[data-no]::after { display: none; }

/* davul */
.perde-ritim { padding: 80px 0; }
.perde-ritim .dev { margin-bottom: 20px; }
.davul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; width: min(430px, 100%); margin: 26px auto 22px; }
.pad { position: relative; aspect-ratio: 1; border-radius: 50%; border: 1.5px solid var(--line-2);
  background: radial-gradient(circle at 50% 38%, color-mix(in srgb, var(--panel) 92%, transparent), color-mix(in srgb, var(--bg) 88%, transparent) 78%); backdrop-filter: blur(8px);
  box-shadow: inset 0 0 0 7px color-mix(in srgb, var(--bg) 60%, transparent), inset 0 0 0 8px var(--line);
  color: var(--ink); font-family: var(--mono); font-size: .84rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; display: grid; place-items: center; align-content: center; gap: 4px;
  transition: transform .08s, border-color .2s, box-shadow .2s, background .2s; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.pad::after { content: ''; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--azure); pointer-events: none; opacity: calc(var(--nabiz, 0) * .55); transform: scale(calc(1 + var(--nabiz, 0) * .04)); }
.pad b { font-weight: 600; }
.pad i { font-style: normal; color: var(--muted); font-size: .84rem; letter-spacing: 0; }
.pad:hover { border-color: var(--line-hi); box-shadow: inset 0 0 0 7px color-mix(in srgb, var(--bg) 60%, transparent), inset 0 0 0 8px var(--line-hi), 0 0 28px -8px var(--azure); }
.pad:focus-visible { outline: 2px solid var(--azure); outline-offset: 3px; }
.pad.vurus { transform: scale(.93); border-color: var(--azure); background: color-mix(in srgb, var(--azure) 22%, transparent); box-shadow: 0 0 40px -4px var(--azure), inset 0 0 24px -6px var(--azure); }
.pad-crash.vurus, .pad-snare.vurus { border-color: var(--ember); background: color-mix(in srgb, var(--ember) 24%, transparent); box-shadow: 0 0 40px -4px var(--ember), inset 0 0 24px -6px var(--ember); }
.pad-kick.vurus { border-color: var(--emerald); background: color-mix(in srgb, var(--emerald) 24%, transparent); box-shadow: 0 0 40px -4px var(--emerald), inset 0 0 24px -6px var(--emerald); }
.davul-kontrol { display: flex; gap: 16px; align-items: center; justify-content: center; margin: 0; }
.bpm-etiket { font-family: var(--mono); font-size: .86rem; letter-spacing: .12em; color: var(--muted); }
.perde-ritim .btn[aria-pressed="true"] { background: var(--emerald); border-color: var(--emerald); color: var(--btn-ink, #00131f); }

/* sahneden */
.perde-video .videolar { margin-top: 32px; gap: 22px; }
.perde-video .video-karti { background: color-mix(in srgb, var(--panel) 80%, transparent); backdrop-filter: blur(8px); border-color: var(--line-2); border-radius: 16px; overflow: hidden; transition: transform .45s cubic-bezier(.2, .7, .2, 1), border-color .3s, box-shadow .45s; }
.perde-video .video-karti:hover, .perde-video .video-karti:focus-within { transform: translateY(-6px); border-color: var(--line-hi); box-shadow: 0 24px 50px -24px var(--azure); }
.perde-video .video-not { color: var(--muted); font-size: .8rem; margin-top: 20px; }

/* notlar */
.not-listesi { list-style: none; margin: 0 0 40px; padding: 0; border-top: 1px solid var(--line-2); }
.not-listesi li { border-bottom: 1px solid var(--line-2); }
.not-listesi a { position: relative; display: grid; grid-template-columns: 64px 1fr auto; align-items: baseline; gap: 4px 18px; padding: 28px 8px; color: var(--ink); transition: padding .35s cubic-bezier(.2, .7, .2, 1), background .3s; }
.not-listesi .no { font-family: var(--mono); font-size: .82rem; letter-spacing: .1em; color: var(--muted); transition: color .3s; }
.not-listesi .baslik { font-family: var(--head); font-weight: 700; font-size: clamp(1.3rem, 3.4vw, 2.4rem); letter-spacing: -.025em; word-spacing: .08em; line-height: 1.12; text-shadow: 0 1px 18px var(--bg); }
.not-listesi .yan { font-family: var(--mono); font-size: .84rem; letter-spacing: .05em; color: var(--muted); white-space: nowrap; }
.not-listesi .ozet { grid-column: 2 / 4; color: var(--muted); font-size: .95rem; line-height: 1.55; max-height: 0; overflow: hidden; opacity: 0; transition: max-height .45s cubic-bezier(.2, .7, .2, 1), opacity .3s; max-width: 70ch; }
.not-listesi a:hover, .not-listesi a:focus-visible { padding-left: 22px; background: linear-gradient(90deg, color-mix(in srgb, var(--azure) 10%, transparent), transparent 70%); }
.not-listesi a:hover .no, .not-listesi a:focus-visible .no { color: var(--azure); }
.not-listesi a:hover .ozet, .not-listesi a:focus-visible .ozet { max-height: 6em; opacity: 1; margin-top: 8px; }

/* hakkımda */
.alanlar { list-style: none; margin: 0 0 34px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line-2); }
.alanlar li { display: flex; align-items: center; gap: 18px; padding: 30px 4px; border-bottom: 1px solid var(--line-2); font-family: var(--head); font-weight: 700; font-size: clamp(1.2rem, 2.8vw, 2rem); letter-spacing: -.025em; word-spacing: .08em; color: var(--ink); text-shadow: 0 1px 18px var(--bg); }
.alanlar li:nth-child(odd) { padding-right: 24px; }
.alanlar svg { width: 34px; height: 34px; flex: none; color: var(--azure); }
.devami { max-width: 760px; border: 1px solid var(--line-2); border-radius: 14px; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(10px); }
.devami summary:hover { color: var(--ink); }
.devami summary { cursor: pointer; padding: 18px 22px; font-family: var(--mono); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--azure); list-style: none; }
.devami summary::-webkit-details-marker { display: none; }
.devami summary::before { content: '+ '; }
.devami[open] summary::before { content: '– '; }
.devami > div { padding: 0 22px 22px; }
.devami p { color: var(--txt); line-height: 1.7; margin: 0 0 14px; }
.alan-detay { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 22px; }
.alan-detay article { border-top: 1px solid var(--line); padding-top: 14px; }
.alan-detay h3 { margin: 0 0 6px; font-size: 1rem; color: var(--ink); }
.alan-detay p { font-size: .92rem; margin: 0; color: var(--muted); }

/* kapanış */
.perde-son .avatar-sirasi { justify-content: center; margin: 26px auto 0; flex-wrap: wrap; gap: 8px; }
.perde-son .dev { font-size: clamp(2.6rem, 8.4vw, 7rem); }
.perde-son .kucuk.sonuc { color: var(--txt); font-size: .92rem; margin-top: 34px; max-width: 46ch; }
.perde-son .btn { margin: 4px 4px 0; }
.palet-sec { display: flex; justify-content: center; gap: 10px; margin-top: 44px; flex-wrap: wrap; }
.palet-dugme { font-family: var(--mono); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--txt); background: color-mix(in srgb, var(--bg) 60%, transparent); border: 1px solid var(--line-2); border-radius: 999px; min-height: 44px; padding: 0 18px 0 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 9px; transition: color .2s, border-color .2s; }
.palet-dugme i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.palet-dugme:hover, .palet-dugme.aktif { color: var(--ink); border-color: var(--line-hi); }
.palet-dugme.aktif i { box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 30%, transparent), 0 0 12px currentColor; }
.palet-dugme:focus-visible { outline: 2px solid var(--azure); outline-offset: 3px; }
@media (hover: none) { .not-listesi .ozet { max-height: none; opacity: 1; margin-top: 8px; } }

/* ---- Tur 3: okunurluk, dokunma hedefleri, ek parcalar ---- */
.sahneli .nav a { font-size: .9rem; letter-spacing: .02em; color: var(--txt); }
.sahneli .nav .nav-cta { color: #00131f; }
.sahneli .btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; font-size: .86rem; padding: 0 24px; }
.sahneli .btn-outline { background: color-mix(in srgb, var(--bg) 55%, transparent); border-color: var(--line-2); backdrop-filter: blur(6px); }
.sahneli .btn-outline:hover { border-color: var(--line-hi); }
.sahneli .btn:focus-visible { outline: 2px solid var(--azure); outline-offset: 3px; }
.sahneli .site-footer { font-size: .86rem; padding-bottom: 76px; }
.sahneli .site-footer a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 6px; }
.sahneli .nav-toggle { width: 48px; height: 44px; }

/* hero dugmeleri (etiketlerden sonra) */
.perde-acilis .hero-dugmeler, .perde-acilis .hero-eylem, .perde-acilis .perde-ic > p:has(> .btn) { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 0; max-width: none; }
.perde-acilis .perde-ic > p:has(> .btn) .btn, .perde-acilis .hero-dugmeler .btn, .perde-acilis .hero-eylem .btn { flex: 0 0 auto; }

/* hareket dugmesi (backend: .hareket-dugme, aria-pressed=true => durdu) */
.hareket-dugme { position: fixed; right: 16px; bottom: 16px; z-index: 90; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 18px 0 14px; border-radius: 999px;
  font-family: var(--mono); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--txt); cursor: pointer;
  background: color-mix(in srgb, var(--bg) 72%, transparent); border: 1px solid var(--line-2); backdrop-filter: blur(10px); -webkit-tap-highlight-color: transparent;
  transition: color .2s, border-color .2s, background .2s; }
.hareket-dugme::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--emerald); box-shadow: 0 0 10px var(--emerald); flex: none; transition: border-radius .2s, background .2s, box-shadow .2s; }
.hareket-dugme:hover { color: var(--ink); border-color: var(--line-hi); }
.hareket-dugme:focus-visible { outline: 3px solid var(--azure); outline-offset: 3px; }
.hareket-dugme[aria-pressed="true"] { color: var(--muted); border-style: dashed; }
.hareket-dugme[aria-pressed="true"]::before { border-radius: 2px; background: var(--dim); box-shadow: none; }

/* video perdesi: masaustunde tek ekrana sigan uclu serit */
.perde-video { padding: 72px 0; }
.perde-video .videolar { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; max-width: none; margin: 28px 0 0; }
.perde-video .video-karti { display: flex; flex-direction: column; min-width: 0; }
.perde-video .video-oynat { border-bottom: 1px solid var(--line-2);
  background: radial-gradient(ellipse 70% 80% at 50% 38%, color-mix(in srgb, var(--azure) 20%, var(--bg)) 0%, color-mix(in srgb, var(--bg) 92%, #000) 78%),
    linear-gradient(90deg, color-mix(in srgb, var(--ink) 4%, transparent) 1px, transparent 1px) 0 0 / 22px 100%; }
.perde-video .oynat-ikon { width: 64px; height: 64px; margin: -32px 0 0 -32px; top: 46%; transition: transform .35s cubic-bezier(.2, .7, .2, 1), background .2s, box-shadow .35s; }
.perde-video .oynat-ikon::after { left: 25px; top: 18px; }
.perde-video .video-oynat:hover .oynat-ikon, .perde-video .video-oynat:focus-visible .oynat-ikon { transform: scale(1.12); box-shadow: 0 0 36px -2px var(--azure), inset 0 0 16px color-mix(in srgb, var(--azure) 30%, transparent); }
.perde-video .video-oynat:focus-visible { outline: 2px solid var(--azure); outline-offset: -4px; }
.perde-video .video-oynat .video-isim { font-size: .84rem; color: var(--txt); letter-spacing: .06em; text-transform: uppercase; }
.perde-video .video-karti figcaption { padding: 14px 18px 16px; gap: 2px; }
.perde-video .video-karti figcaption strong { font-size: 1.1rem; letter-spacing: -.015em; }
.perde-video .video-karti figcaption span { font-size: .9rem; color: var(--muted); }
.perde-video .video-karti figcaption a { display: inline-flex; align-items: center; min-height: 44px; margin-top: 2px; font-size: .84rem; letter-spacing: .04em; align-self: flex-start; }
.perde-video .video-not { font-size: .84rem; color: var(--muted); margin-top: 16px; }
@media (max-width: 899px) {
  .perde-video .videolar { display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; margin-inline: -24px; padding: 6px 24px 14px; scrollbar-width: none; -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; }
  .perde-video .videolar::-webkit-scrollbar { display: none; }
  .perde-video .video-karti { flex: 0 0 min(78vw, 340px); scroll-snap-align: start; }
}

/* vuruş nabzı: --nabiz (0..1) kök elemanda; yalnızca hareket serbestse */
@media (prefers-reduced-motion: no-preference) {
  .perde-ritim .dev { letter-spacing: calc(-.035em + var(--nabiz, 0) * .008em);
    text-shadow: 0 0 calc(var(--nabiz, 0) * 44px) color-mix(in srgb, var(--emerald) calc(var(--nabiz, 0) * 70%), transparent), 0 2px 40px color-mix(in srgb, var(--bg) 90%, transparent); }
  .perde-acilis h1 { filter: drop-shadow(0 0 calc(var(--nabiz, 0) * 20px) color-mix(in srgb, var(--azure) calc(var(--nabiz, 0) * 60%), transparent)); }
  .perde-ritim .btn[aria-pressed="true"] { box-shadow: 0 0 calc(var(--nabiz, 0) * 34px) color-mix(in srgb, var(--emerald) calc(var(--nabiz, 0) * 80%), transparent); }
}
@media (prefers-reduced-motion: reduce) { .pad::after { display: none; } }

/* telefon */
@media (max-width: 860px) {
  .sahneli .nav { background: color-mix(in srgb, var(--bg) 96%, transparent); backdrop-filter: blur(14px); border: 1px solid var(--line-2); border-top: 0; border-radius: 0 0 16px 16px; box-shadow: 0 30px 60px -10px #000; z-index: 120; max-height: calc(100svh - 72px); overflow-y: auto; }
  .sahneli .nav a { font-size: 1rem; min-height: 44px; display: flex; align-items: center; }
}
@media (max-width: 760px) {
  .perde { padding: 84px 0; }
  .perde-ritim { padding: 76px 0; }
  .perde-acilis .perde-ic > p:has(> .btn) .btn, .perde-acilis .hero-dugmeler .btn, .perde-acilis .hero-eylem .btn { flex: 1 1 150px; }
  .hareket-dugme { right: 12px; bottom: 12px; }
  .perde[data-no]::after { top: 9vh; right: 14px; font-size: 6.5rem; }
  .perde-ic { width: calc(100% - 40px); }
  .perde-ic::before { inset: -6% 0; }
  .perde-video .videolar { margin-inline: -20px; padding-inline: 20px; }
  .etiket { letter-spacing: .2em; margin-bottom: 22px; }
  .etiket::before, .orta .etiket::after { width: 22px; }
  .dev { letter-spacing: -.03em; line-height: 1.04; }
  .davul { gap: 10px; }
  .pad { font-size: .8rem; letter-spacing: .06em; box-shadow: inset 0 0 0 5px color-mix(in srgb, var(--bg) 60%, transparent), inset 0 0 0 6px var(--line); }
  .not-listesi a { grid-template-columns: 38px 1fr; padding: 22px 4px; }
  .not-listesi .yan { grid-column: 2; }
  .not-listesi .ozet { grid-column: 2; max-height: none; opacity: 1; margin-top: 6px; }
  .alanlar, .alan-detay { grid-template-columns: 1fr; }
  .alanlar li:nth-child(odd) { padding-right: 4px; }
  .perde-ic.sol > * { max-width: none; }
}

/* hareketi azalt */
@media (prefers-reduced-motion: reduce) {
  .js .gir, .js .satir-ic { opacity: 1; transform: none; transition: none; }
  .js .kaydir span { animation: none; }
  .pad, .not-listesi a, .not-listesi .ozet, .perde-video .video-karti { transition: none; }
}

/* az yazı: yalnızca etkileşim ipuçları */
.kucuk.ipucu { font-family: var(--mono); font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0 0 22px; }
.perde-ritim .kucuk.ipucu { margin-bottom: 6px; }