/*
 * CILTIN — Ana Sayfa Stili ("Muz Kaya" kimliği)
 * Soğuk/editoryal palet + Oswald (başlık) + Source Serif 4 (gövde/italik)
 * Bilerek keskin köşeler, ince çizgiler, gölgesiz temel yapı korunuyor -
 * jenerik "yuvarlak köşeli SaaS kartı" görünümünden kaçınmak için.
 */

:root{
  --bg:#F0F2F0; --surface:#E7EAE6; --ink:#23292B; --ink-dim:#5c6866;
  --pine:#2F5B48; --copper:#B5764A; --copper-soft:rgba(181,118,74,.12);
  --line:rgba(35,41,43,.14);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Source Serif 4',serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Oswald',sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:.02em;margin:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 32px}

/* --- İmza deseni: tekrar eden elmas zinciri --- */
.diamond-row{display:flex;justify-content:center;gap:14px;padding:14px 0}
.diamond-row span{width:7px;height:7px;background:var(--copper);transform:rotate(45deg);opacity:.7}
.diamond-row span:nth-child(3n){background:var(--pine)}

/* --- Header (buzlu cam) --- */
header{
  position:relative;z-index:5;margin-top:18px;padding:12px 22px;
  display:flex;justify-content:space-between;align-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:14px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 8px 30px rgba(0,0,0,.15);
}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:36px;height:36px;flex-shrink:0;border-radius:4px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
}
.logo-mark img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.logo-text{font-family:'Oswald',sans-serif;font-weight:700;font-size:1.15rem;letter-spacing:.05em;color:#fff}
.logo-text small{display:block;font-family:'Source Serif 4',serif;font-style:italic;font-size:.62rem;letter-spacing:.02em;color:var(--copper);font-weight:400;margin-top:1px;text-transform:none}
nav{display:flex;gap:20px;align-items:center;font-family:'Oswald',sans-serif}
nav a{font-size:.78rem;color:rgba(255,255,255,.75);letter-spacing:.03em}
nav a.active{color:#fff;border-bottom:2px solid var(--copper);padding-bottom:3px}
.toggle{display:flex;gap:2px}
.toggle button{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.35);color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.06em;padding:4px 9px;cursor:pointer;font-family:'Oswald',sans-serif;border-radius:3px}
.toggle button.active{background:#fff;color:var(--ink)}

/* --- Hero --- */
.hero{
  position:relative;min-height:58vh;display:flex;align-items:flex-end;
  background:
    linear-gradient(to top, rgba(15,20,18,.92) 0%, rgba(15,20,18,.35) 45%, rgba(15,20,18,.15) 100%),
    url('/assets/images/hero-elbrus.jpg') center/cover no-repeat;
}
.hero-inner{padding-bottom:44px;position:relative;z-index:2}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.8rem);line-height:1;color:#fff;max-width:700px}
.hero .sub{font-family:'Source Serif 4',serif;font-style:italic;color:var(--copper);font-size:1.15rem;margin:18px 0 22px}
.hero p{font-family:'Source Serif 4',serif;color:rgba(255,255,255,.82);max-width:480px;margin-bottom:30px;font-size:1.05rem;line-height:1.6}
.buttons{display:flex;gap:14px;font-family:'Oswald',sans-serif}
.btn{padding:13px 26px;font-weight:600;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.btn-copper{background:var(--copper);color:#fff}
.btn-copper:hover{background:#a0673f}
.btn-outline{border:2px solid #fff;color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.08)}

/* --- Features --- */
.features{padding:64px 0 20px}
.eyebrow{text-align:center;font-family:'Oswald',sans-serif;font-size:.75rem;letter-spacing:.18em;color:var(--ink-dim);margin-bottom:8px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:24px;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.card{padding:32px 26px;border-right:1px solid var(--line);transition:box-shadow .25s,transform .25s;position:relative}
.card:last-child{border-right:none}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 30px rgba(35,41,43,.08)}

/* İkon çerçevesi - yumuşak dairesel bakır zemin (Gemini denemesinden alındı) */
.icon-wrapper{
  width:48px;height:48px;border-radius:50%;background:var(--copper-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--copper);
}
.icon-wrapper svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6}

.card .tag{color:var(--copper);font-family:'Oswald',sans-serif;font-size:.68rem;letter-spacing:.1em;font-weight:700}
.card h3{font-size:1.2rem;margin:12px 0 8px}
.card p{font-family:'Source Serif 4',serif;color:var(--ink-dim);font-size:.94rem;margin:0 0 14px}
.card .go{font-family:'Oswald',sans-serif;font-size:.78rem;font-weight:600;color:var(--pine);letter-spacing:.03em;transition:color .2s}
.card:hover .go{color:var(--copper)}

/* --- Latest release --- */
.release{padding:70px 0}
.release-grid{display:grid;grid-template-columns:1fr 1.5fr 1fr;gap:46px;align-items:center}
.release-info h4{font-family:'Oswald',sans-serif;font-size:.75rem;color:var(--ink-dim);letter-spacing:.14em;margin-bottom:14px}
.release-info h2{font-size:2.3rem;line-height:1.05;margin-bottom:8px}
.release-info .meta{font-family:'Oswald',sans-serif;font-size:.78rem;letter-spacing:.05em;color:var(--copper);margin-bottom:18px}
.release-info p{font-family:'Source Serif 4',serif;color:var(--ink-dim);margin-bottom:26px}

.album-art-container{position:relative}
.cover{
  aspect-ratio:1/1;position:relative;overflow:hidden;
  background:linear-gradient(rgba(20,30,25,.35),rgba(20,30,25,.75)),
  url('/assets/images/kafkas-yelleri-cover.jpg') center/cover;
  display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;
  box-shadow:0 25px 50px rgba(33,67,52,.15);
}
/* Plak detayı (Gemini denemesinden alınan imza dokunuşu) */
.album-art-container::after{
  content:'';position:absolute;right:-16px;top:6%;height:88%;width:38px;
  background:repeating-radial-gradient(circle at center, #111 0 2px, #222 2px 3px, #111 3px 4px);
  border-radius:50%;z-index:-1;box-shadow:4px 0 14px rgba(0,0,0,.2);
}
.cover h3{font-size:1.7rem;letter-spacing:.05em;line-height:1.2}
.cover span{font-family:'Source Serif 4',serif;font-style:italic;font-size:.85rem;color:var(--copper)}

.track{display:flex;justify-content:space-between;padding:12px 4px;border-bottom:1px solid var(--line);font-family:'Source Serif 4',serif;font-size:.92rem;cursor:pointer;transition:background .18s,padding-left .18s}
.track:hover{background:rgba(255,255,255,.5);padding-left:10px}
.track span:first-child{color:var(--ink-dim);width:26px;font-family:'Oswald',sans-serif}
.track strong{flex:1;font-weight:500}
.track.active{border-left:3px solid var(--copper);padding-left:10px}
.track.active strong{color:var(--pine);font-weight:600}
.progress{height:2px;background:var(--line);margin:22px 0 8px;position:relative;border-radius:1px}
.progress-filled{position:absolute;left:0;top:0;height:100%;width:36%;background:var(--copper);border-radius:1px}
.progress-filled::after{content:'';position:absolute;right:-3px;top:-3px;width:8px;height:8px;background:var(--pine);border-radius:50%}
.time{display:flex;justify-content:space-between;font-family:'Oswald',sans-serif;font-size:.7rem;color:var(--ink-dim)}

/* --- Günün kelimesi --- */
.word-wrap{padding:0 0 80px}
.word-card{background:var(--ink);color:#F0F2F0;padding:50px 56px;display:flex;justify-content:space-between;align-items:center;gap:40px}
.word-label{font-family:'Oswald',sans-serif;font-size:.72rem;letter-spacing:.18em;color:var(--copper);margin-bottom:14px}
.word-title{font-size:3rem;line-height:1;margin-bottom:8px}
.word-meaning{font-family:'Source Serif 4',serif;font-style:italic;font-size:1.3rem;color:rgba(240,242,240,.75)}
.word-quote{max-width:380px;border-left:2px solid var(--copper);padding-left:22px}
.word-quote p{font-family:'Source Serif 4',serif;font-style:italic;font-size:1.05rem;line-height:1.6;margin-bottom:10px}
.word-quote span{font-family:'Oswald',sans-serif;font-size:.7rem;letter-spacing:.06em;color:var(--copper)}

footer{border-top:2px solid var(--ink);padding:34px 0;font-family:'Oswald',sans-serif;font-size:.78rem;color:var(--ink-dim);letter-spacing:.04em}
.footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.social-row{display:flex;gap:14px}
.social-row a{width:34px;height:34px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-dim);transition:.2s}
.social-row a:hover{color:var(--copper);border-color:var(--copper)}
.social-row svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6}

@media(max-width:820px){
  .grid,.release-grid{grid-template-columns:1fr}
  .card{border-right:none;border-bottom:1px solid var(--line)}
  .word-card{flex-direction:column;align-items:flex-start}
  .album-art-container::after{display:none}
  nav{flex-wrap:wrap;justify-content:flex-end;row-gap:8px}
}
@media(max-width:480px){
  header{flex-direction:column;align-items:flex-start;gap:12px}
  nav{width:100%;justify-content:space-between}
  .footer-row{flex-direction:column;text-align:center}
}