/* ═══════════════════════════════════════════
   12-E Dijital Mezuniyet Yıllığı — Styles
   ═══════════════════════════════════════════ */

/* ── Reset ─────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',sans-serif;line-height:1.6;overflow-x:hidden;transition:background .5s,color .5s}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{border:none;background:none;cursor:pointer;font-family:inherit}
ul{list-style:none}

/* ── Theme Variables ───────────────────── */
:root{
  --bg:      #faf8f5;
  --bg2:     #f0ece4;
  --card:    #ffffff;
  --text:    #1a1a2e;
  --text2:   #5a5a72;
  --gold:    #b8941f;
  --purple:  #6c5ce7;
  --coral:   #e17055;
  --border:  rgba(0,0,0,.08);
  --shadow:  rgba(0,0,0,.08);
  --glass:   rgba(255,255,255,.65);
  --glass-b: rgba(255,255,255,.25);
  --hero-bg: linear-gradient(135deg,#1a1a2e 0%,#2d1b4e 40%,#1a1a2e 100%);
  --card-shadow: 0 4px 24px rgba(0,0,0,.06);
  --card-hover:  0 12px 40px rgba(0,0,0,.12);
}
[data-theme="dark"]{
  --bg:      #0a0a14;
  --bg2:     #10101e;
  --card:    #16162a;
  --text:    #eae6de;
  --text2:   #9090a8;
  --gold:    #d4af37;
  --purple:  #a29bfe;
  --coral:   #fab1a0;
  --border:  rgba(255,255,255,.07);
  --shadow:  rgba(0,0,0,.25);
  --glass:   rgba(22,22,42,.7);
  --glass-b: rgba(255,255,255,.08);
  --hero-bg: linear-gradient(135deg,#06060e 0%,#1a0f2e 40%,#06060e 100%);
  --card-shadow: 0 4px 24px rgba(0,0,0,.2);
  --card-hover:  0 12px 40px rgba(0,0,0,.35);
}
body{background:var(--bg);color:var(--text)}

/* ── Typography ────────────────────────── */
.playfair{font-family:'Playfair Display',serif}
h1,h2,h3{font-family:'Playfair Display',serif;font-weight:700;line-height:1.15}

/* ── Loader ────────────────────────────── */
.loader{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:#0a0a14;transition:opacity .6s,visibility .6s}
.loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-content{text-align:center}
.loader-cap{font-size:3rem;animation:loaderBounce 1s infinite}
.loader-text{font-family:'Playfair Display',serif;font-size:2rem;color:#d4af37;margin:.5rem 0}
.loader-bar{width:120px;height:3px;background:rgba(255,255,255,.1);border-radius:4px;overflow:hidden;margin:0 auto}
.loader-bar-fill{height:100%;width:0;background:linear-gradient(90deg,#d4af37,#a29bfe);border-radius:4px;animation:loaderFill 1.5s ease forwards}
@keyframes loaderBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes loaderFill{to{width:100%}}

/* ── Navbar ────────────────────────────── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:.85rem 2rem;transition:background .4s,box-shadow .4s,padding .4s}
.navbar.scrolled{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 16px var(--shadow);padding:.65rem 2rem}
.nav-logo{font-family:'Playfair Display',serif;font-size:1.35rem;font-weight:700;color:var(--gold)}
.nav-links{display:flex;gap:2rem}
.nav-link{font-size:.875rem;font-weight:500;color:var(--text2);position:relative;transition:color .3s}
.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gold);transition:width .3s}
.nav-link:hover,.nav-link.active{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:.75rem}

/* Theme Toggle */
.theme-toggle{position:relative;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--border);transition:background .3s,transform .3s}
.theme-toggle:hover{transform:scale(1.1)}
.theme-icon-sun,.theme-icon-moon{position:absolute;font-size:1.1rem;transition:opacity .3s,transform .4s}
[data-theme="dark"] .theme-icon-sun{opacity:1;transform:rotate(0)}
[data-theme="dark"] .theme-icon-moon{opacity:0;transform:rotate(90deg)}
[data-theme="light"] .theme-icon-sun{opacity:0;transform:rotate(-90deg)}
[data-theme="light"] .theme-icon-moon{opacity:1;transform:rotate(0)}

/* Mobile Menu */
.menu-toggle{display:none;flex-direction:column;gap:5px;width:28px}
.menu-toggle span{display:block;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

@media(max-width:768px){
  .menu-toggle{display:flex}
  .nav-links{position:fixed;top:0;right:-100%;width:260px;height:100vh;flex-direction:column;background:var(--card);padding:5rem 2rem 2rem;gap:1.5rem;transition:right .4s;box-shadow:-8px 0 32px var(--shadow)}
  .nav-links.open{right:0}
  .nav-link{font-size:1.1rem}
}

/* ── Hero ──────────────────────────────── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--hero-bg)}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;animation:orbFloat 12s ease-in-out infinite}
.hero-orb-1{width:400px;height:400px;background:#6c5ce7;top:-10%;left:-5%;animation-duration:14s}
.hero-orb-2{width:300px;height:300px;background:#d4af37;bottom:-5%;right:-5%;animation-duration:10s;animation-delay:-3s}
.hero-orb-3{width:250px;height:250px;background:#e17055;top:40%;right:20%;animation-duration:16s;animation-delay:-6s}
.hero-orb-4{width:200px;height:200px;background:#a29bfe;bottom:20%;left:15%;animation-duration:12s;animation-delay:-4s}
.hero-orb-5{width:350px;height:350px;background:#2d1b4e;top:20%;left:40%;animation-duration:18s;animation-delay:-8s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}25%{transform:translate(30px,-40px) scale(1.05)}50%{transform:translate(-20px,30px) scale(.95)}75%{transform:translate(40px,20px) scale(1.02)}}
.hero-grain{position:absolute;inset:0;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero-content{position:relative;z-index:2;padding:2rem}
.hero-school{font-size:.9rem;letter-spacing:4px;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:1rem}
.hero-title{font-size:clamp(3.5rem,12vw,9rem);background:linear-gradient(135deg,#d4af37 0%,#f0d78c 50%,#d4af37 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:.25rem;filter:drop-shadow(0 4px 24px rgba(212,175,55,.25))}
.hero-subtitle{font-family:'Playfair Display',serif;font-size:clamp(1.2rem,3vw,2.2rem);color:rgba(255,255,255,.75);font-weight:300;letter-spacing:6px;text-transform:uppercase;margin-bottom:2rem}
.hero-quote{font-size:clamp(.95rem,1.5vw,1.15rem);color:rgba(255,255,255,.55);max-width:500px;margin:0 auto;font-style:italic;line-height:1.7}
.hero-scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;color:rgba(255,255,255,.35);font-size:.75rem;letter-spacing:2px;animation:scrollBounce 2s ease-in-out infinite}
.hero-scroll-mouse{width:22px;height:34px;border:2px solid rgba(255,255,255,.3);border-radius:12px;display:flex;justify-content:center;padding-top:6px}
.hero-scroll-wheel{width:3px;height:8px;background:rgba(255,255,255,.4);border-radius:3px;animation:scrollWheel 1.8s ease-in-out infinite}
@keyframes scrollBounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}
@keyframes scrollWheel{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(8px)}}

/* ── Sections ──────────────────────────── */
.section{padding:6rem 0}
.section-alt{background:var(--bg2)}
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.section-header{text-align:center;margin-bottom:3.5rem}
.section-tag{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:.75rem}
.section-title{font-size:clamp(2rem,4vw,3rem);margin-bottom:.75rem}
.section-desc{font-size:1rem;color:var(--text2);max-width:520px;margin:0 auto}

/* ── Student Grid ──────────────────────── */
.student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.5rem}
.student-card{perspective:900px;height:360px;cursor:pointer}
.student-card-inner{position:relative;width:100%;height:100%;transition:transform .7s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}
.student-card.flipped .student-card-inner{transform:rotateY(180deg)}
.card-front,.card-back{position:absolute;inset:0;border-radius:16px;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden;border:1px solid var(--border)}
.card-front{background:var(--card);display:flex;flex-direction:column;box-shadow:var(--card-shadow);transition:box-shadow .3s}
.student-card:hover .card-front{box-shadow:var(--card-hover)}
.card-avatar{flex:1;display:flex;align-items:center;justify-content:center;font-size:3.5rem;font-family:'Playfair Display',serif;font-weight:700;color:#fff;position:relative;overflow:hidden}
.card-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card-info{padding:1rem 1.25rem;text-align:center}
.card-name{font-weight:600;font-size:1rem;margin-bottom:.25rem}
.card-superlative{font-size:.78rem;color:var(--gold);font-weight:500}
.card-tap-hint{font-size:.65rem;color:var(--text2);margin-top:.35rem;opacity:.6}
.card-back{background:var(--card);transform:rotateY(180deg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1.5rem;text-align:center;box-shadow:var(--card-shadow)}
.card-back-nickname{font-size:.75rem;letter-spacing:3px;text-transform:uppercase;color:var(--gold);margin-bottom:.75rem;font-weight:600}
.card-back-quote{font-family:'Playfair Display',serif;font-size:1.05rem;font-style:italic;line-height:1.6;color:var(--text);margin-bottom:1.25rem}
.card-back-badge{display:inline-flex;align-items:center;gap:.4rem;background:linear-gradient(135deg,var(--gold),var(--coral));color:#fff;padding:.4rem 1rem;border-radius:20px;font-size:.78rem;font-weight:600}

/* ── Masonry Gallery ───────────────────── */
.masonry-gallery{columns:3;column-gap:1.25rem}
@media(max-width:900px){.masonry-gallery{columns:2}}
@media(max-width:520px){.masonry-gallery{columns:1}}
.memory-item{break-inside:avoid;margin-bottom:1.25rem;border-radius:14px;overflow:hidden;position:relative;cursor:pointer;background:var(--card);border:1px solid var(--border);box-shadow:var(--card-shadow);transition:transform .4s,box-shadow .4s}
.memory-item:hover{transform:translateY(-4px);box-shadow:var(--card-hover)}
.memory-img{width:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;color:#fff;position:relative;overflow:hidden}
.memory-img img{width:100%;height:100%;object-fit:cover}
.memory-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.6) 0%,transparent 50%);opacity:0;transition:opacity .3s;display:flex;align-items:flex-end;padding:1rem}
.memory-item:hover .memory-overlay{opacity:1}
.memory-overlay-text{color:#fff;font-size:.85rem;line-height:1.4}
.memory-caption{padding:.85rem 1rem;font-size:.85rem;color:var(--text2);line-height:1.5}
.memory-date{display:block;font-size:.72rem;color:var(--gold);margin-top:.35rem;font-weight:500}

/* ── Lightbox ──────────────────────────── */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s;backdrop-filter:blur(8px)}
.lightbox.active{opacity:1;visibility:visible}
.lightbox-content{max-width:800px;width:90%;text-align:center;transform:scale(.9);transition:transform .4s cubic-bezier(.4,.2,.2,1)}
.lightbox.active .lightbox-content{transform:scale(1)}
.lightbox-img-wrap{border-radius:12px;overflow:hidden;margin-bottom:1.25rem;background:#1a1a2e;min-height:200px;display:flex;align-items:center;justify-content:center;font-size:4rem}
.lightbox-img-wrap img{width:100%;height:auto}
.lightbox-caption{color:rgba(255,255,255,.85);font-size:1.05rem;line-height:1.6;font-style:italic}
.lightbox-date{color:var(--gold);font-size:.8rem;margin-top:.5rem;display:inline-block}
.lightbox-close{position:absolute;top:1.5rem;right:1.5rem;color:#fff;font-size:2rem;opacity:.6;transition:opacity .3s,transform .3s;z-index:10}
.lightbox-close:hover{opacity:1;transform:scale(1.2)}
.lightbox-prev,.lightbox-next{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:2rem;opacity:.5;transition:opacity .3s;z-index:10;padding:1rem}
.lightbox-prev{left:1rem}
.lightbox-next{right:1rem}
.lightbox-prev:hover,.lightbox-next:hover{opacity:1}

/* ── Time Capsule ──────────────────────── */
.capsule-carousel{overflow-x:scroll;overflow-y:visible;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding:1rem 0 2rem;scrollbar-width:none;margin:0 -1.5rem;width:calc(100% + 3rem)}
.capsule-carousel::-webkit-scrollbar{display:none}
.capsule-track{display:flex;gap:1.25rem;padding:0 1.5rem;width:max-content}
.capsule-card{flex:0 0 300px;scroll-snap-align:start;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2rem 1.5rem;position:relative;overflow:hidden;box-shadow:var(--card-shadow);transition:transform .4s,box-shadow .4s}
.capsule-card:hover{transform:translateY(-4px);box-shadow:var(--card-hover)}
.capsule-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--gold),var(--purple),var(--coral))}
.capsule-emoji{font-size:2.5rem;margin-bottom:.75rem}
.capsule-name{font-family:'Playfair Display',serif;font-size:1.1rem;font-weight:600;margin-bottom:.5rem}
.capsule-prediction{font-size:.9rem;color:var(--text2);line-height:1.6;font-style:italic}
.capsule-year{position:absolute;top:1rem;right:1rem;font-size:.7rem;font-weight:600;color:var(--gold);letter-spacing:1px;opacity:.6}

/* ── Footer ────────────────────────────── */
.footer{text-align:center;padding:4rem 1.5rem;background:var(--bg2);border-top:1px solid var(--border)}
.footer-logo{font-family:'Playfair Display',serif;font-size:2rem;color:var(--gold);margin-bottom:.75rem}
.footer-text{color:var(--text2);font-size:.9rem;margin-bottom:.5rem;max-width:400px;margin-left:auto;margin-right:auto}
.footer-copy{color:var(--text2);font-size:.78rem;opacity:.6}
.footer-privacy{color:var(--text2);font-size:.72rem;opacity:.45;margin-top:1rem;max-width:480px;margin-left:auto;margin-right:auto;line-height:1.5}
.footer-privacy a{color:var(--gold);text-decoration:underline;text-underline-offset:2px;transition:opacity .3s}
.footer-privacy a:hover{opacity:.8}

/* ── Back to Top ───────────────────────── */
.back-to-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border-radius:50%;background:var(--gold);color:#fff;font-size:1.2rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .4s;z-index:90;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.2)}

/* ── Reveal Animations ─────────────────── */
.reveal-up{opacity:0;transform:translateY(40px);transition:opacity .7s cubic-bezier(.4,.2,.2,1),transform .7s cubic-bezier(.4,.2,.2,1)}
.reveal-up.visible{opacity:1;transform:translateY(0)}
.reveal-card{opacity:0;transform:translateY(30px) scale(.96);transition:opacity .6s cubic-bezier(.4,.2,.2,1),transform .6s cubic-bezier(.4,.2,.2,1)}
.reveal-card.visible{opacity:1;transform:translateY(0) scale(1)}

/* ── Memory Form CTA ─────────────────── */
.memory-form-cta{text-align:center;margin-bottom:2.5rem}
.memory-form-btn{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--gold),#e2c16a);color:#1a1a2e;padding:.75rem 1.75rem;border-radius:14px;font-size:.95rem;font-weight:600;transition:all .3s;box-shadow:0 4px 20px rgba(212,175,55,.25)}
.memory-form-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(212,175,55,.35)}
.memory-form-btn span{font-size:1.15rem}
.memory-form-hint{font-size:.78rem;color:var(--text2);margin-top:.6rem;opacity:.65}

/* ── Responsive ────────────────────────── */
@media(max-width:600px){
  .section{padding:4rem 0}
  .student-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}
  .student-card{height:300px}
  .card-avatar{font-size:2.5rem}
  .card-back{padding:1.5rem 1rem}
  .card-back-quote{font-size:.9rem}
  .capsule-card{flex:0 0 260px;padding:1.5rem 1.25rem}
  .hero-title{filter:drop-shadow(0 2px 12px rgba(212,175,55,.2))}
}

/* ── Music Popup ───────────────────────── */
.music-popup{position:fixed;inset:0;z-index:9998;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:0;visibility:hidden;transition:opacity .5s,visibility .5s}
.music-popup.active{opacity:1;visibility:visible}
.music-popup-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:2.5rem 2rem;text-align:center;max-width:360px;width:90%;box-shadow:0 24px 64px rgba(0,0,0,.25);transform:scale(.85) translateY(20px);transition:transform .5s cubic-bezier(.4,.2,.2,1)}
.music-popup.active .music-popup-card{transform:scale(1) translateY(0)}
.music-popup-icon{font-size:3rem;margin-bottom:.75rem;animation:popupPulse 2s ease-in-out infinite}
@keyframes popupPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}
.music-popup-title{font-family:'Playfair Display',serif;font-size:1.4rem;margin-bottom:.5rem}
.music-popup-desc{font-size:.9rem;color:var(--text2);margin-bottom:1.75rem;line-height:1.5}
.music-popup-actions{display:flex;gap:.75rem;justify-content:center}
.music-btn{padding:.7rem 1.5rem;border-radius:12px;font-size:.9rem;font-weight:600;transition:all .3s;cursor:pointer}
.music-btn-yes{background:linear-gradient(135deg,var(--gold),#e2c16a);color:#1a1a2e;position:relative;display:flex;align-items:center;gap:.5rem;box-shadow:0 4px 16px rgba(212,175,55,.3)}
.music-btn-yes:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(212,175,55,.4)}
.music-btn-badge{font-size:.6rem;background:rgba(0,0,0,.2);padding:2px 6px;border-radius:6px;font-weight:500;letter-spacing:.5px;text-transform:uppercase}
.music-btn-no{background:var(--border);color:var(--text2)}
.music-btn-no:hover{background:var(--text2);color:var(--bg)}

/* ── Music Toggle (floating) ───────────── */
.music-toggle{position:fixed;bottom:2rem;left:2rem;width:44px;height:44px;border-radius:50%;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-b);display:flex;align-items:center;justify-content:center;font-size:1.1rem;z-index:90;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .4s;box-shadow:0 4px 16px var(--shadow);cursor:pointer}
.music-toggle.visible{opacity:1;visibility:visible;transform:translateY(0)}
.music-toggle:hover{transform:translateY(-2px);box-shadow:0 6px 24px var(--shadow)}
.music-toggle.playing{animation:musicPulse 1.5s ease-in-out infinite}
@keyframes musicPulse{0%,100%{box-shadow:0 4px 16px var(--shadow)}50%{box-shadow:0 4px 24px rgba(212,175,55,.35)}}

/* ── Custom Scrollbar ──────────────────── */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text2)}