/* ============================================
   KC RADIO -- Clean Radio Design
   Inspired by 538.nl / Qmusic
   ============================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
    --bg:#f5f5f7;
    --white:#ffffff;
    --dark:#111118;
    --dark2:#1a1a24;
    --text:#222233;
    --text2:#555566;
    --text3:#888899;
    --border:#e5e5ea;
    --teal:#0e8c7f;
    --teal-l:#14b8a6;
    --teal-bg:rgba(14,140,127,.06);
    --gold:#f5c518;
    --warm:#e07830;
    --warm-bg:#2a1810;
    --cool:#0e8c7f;
    --cool-bg:#0a1a1e;
    --f:'Plus Jakarta Sans',system-ui,sans-serif;
    --fd:'Bebas Neue',Impact,var(--f);
    --mw:1100px;
    --r:12px;
    --r-lg:16px;
    --player-h:80px;
}

html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
    font-family:var(--f);background:var(--bg);color:var(--text);
    line-height:1.6;-webkit-font-smoothing:antialiased;
    overflow-x:hidden;padding-bottom:var(--player-h);
}
::selection{background:var(--teal);color:#fff}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--mw);margin:0 auto;padding:0 24px}

/* ======== HEADER ======== */
.header{
    position:fixed;top:0;left:0;right:0;z-index:800;
    background:var(--white);border-bottom:1px solid var(--border);
    height:64px;
}
.header-inner{
    max-width:var(--mw);margin:0 auto;padding:0 24px;
    height:100%;display:flex;align-items:center;justify-content:space-between;
}
.h-logo img{height:38px;width:38px;border-radius:50%}
.h-nav{display:flex;gap:32px}
.h-nav a{font-size:.88rem;font-weight:600;color:var(--text2);transition:color .2s}
.h-nav a:hover{color:var(--teal)}
.h-burger{
    display:none;background:0;border:0;cursor:pointer;
    padding:8px;flex-direction:column;gap:5px;
}
.h-burger span{display:block;width:20px;height:2px;background:var(--text);border-radius:1px;transition:all .3s}

/* ======== HERO ======== */
.hero{
    position:relative;overflow:hidden;
    padding:140px 24px 100px;text-align:center;
    background:var(--dark);color:#fff;
    margin-top:64px;
}
.hero-bg{position:absolute;inset:0}
.hero-gradient{
    position:absolute;inset:0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 30%,rgba(14,140,127,.18) 0%,transparent 70%),
        radial-gradient(ellipse 50% 50% at 80% 70%,rgba(245,197,24,.08) 0%,transparent 60%),
        radial-gradient(ellipse 30% 40% at 20% 80%,rgba(224,120,48,.06) 0%,transparent 50%);
}
.hero-waves{position:absolute;bottom:0;left:0;right:0;height:120px}
.wave{position:absolute;bottom:0;left:0;width:100%;height:100%}
.w1{animation:waveMove 8s ease-in-out infinite}
.w2{animation:waveMove 12s ease-in-out infinite reverse}
@keyframes waveMove{0%,100%{transform:translateX(0)}50%{transform:translateX(-30px)}}

/* Floating music notes */
.hero-floats{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.float-icon{
    position:absolute;font-size:1.4rem;color:rgba(255,255,255,.06);
    animation:floatUp linear infinite;
}
.fi-1{left:10%;animation-duration:12s;animation-delay:0s;font-size:1.6rem}
.fi-2{left:25%;animation-duration:10s;animation-delay:2s}
.fi-3{left:50%;animation-duration:14s;animation-delay:4s;font-size:1.8rem}
.fi-4{left:70%;animation-duration:11s;animation-delay:1s}
.fi-5{left:88%;animation-duration:13s;animation-delay:3s;font-size:1.5rem}
@keyframes floatUp{
    0%{transform:translateY(100vh) rotate(0deg);opacity:0}
    10%{opacity:1}
    90%{opacity:1}
    100%{transform:translateY(-100px) rotate(360deg);opacity:0}
}

.hero-inner{position:relative;z-index:2;max-width:660px;margin:0 auto}
.hero-live{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.78rem;font-weight:600;text-transform:uppercase;
    letter-spacing:2px;color:rgba(255,255,255,.6);margin-bottom:28px;
}
.live-dot{width:8px;height:8px;border-radius:50%;background:#ff4040;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(255,64,64,.4)}50%{opacity:.7;box-shadow:0 0 0 8px rgba(255,64,64,0)}}

.hero h1{
    font-family:var(--fd);font-size:clamp(4rem,12vw,7rem);
    font-weight:400;letter-spacing:6px;line-height:1;margin-bottom:12px;
}

/* Mini EQ in hero */
.hero-eq{
    display:flex;align-items:flex-end;justify-content:center;
    gap:3px;height:24px;margin-bottom:24px;
}
.hero-eq span{
    width:3px;border-radius:2px;background:var(--teal);
    animation:heq 1s ease-in-out infinite;
}
.hero-eq span:nth-child(1){height:40%;animation-delay:0s}
.hero-eq span:nth-child(2){height:70%;animation-delay:.1s}
.hero-eq span:nth-child(3){height:100%;animation-delay:.2s}
.hero-eq span:nth-child(4){height:60%;animation-delay:.05s}
.hero-eq span:nth-child(5){height:90%;animation-delay:.15s}
.hero-eq span:nth-child(6){height:50%;animation-delay:.25s}
.hero-eq span:nth-child(7){height:80%;animation-delay:.08s}
.hero-eq span:nth-child(8){height:100%;animation-delay:.18s}
.hero-eq span:nth-child(9){height:45%;animation-delay:.12s}
@keyframes heq{0%,100%{transform:scaleY(.3)}50%{transform:scaleY(1)}}

.hero-sub{
    font-size:1.05rem;color:rgba(255,255,255,.55);line-height:1.7;
    max-width:480px;margin:0 auto 32px;
}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.hero-play{
    display:inline-flex;align-items:center;gap:10px;
    background:var(--teal);color:#fff;border:0;cursor:pointer;
    padding:16px 40px;border-radius:100px;
    font-family:var(--f);font-weight:700;font-size:1rem;
    transition:all .3s;
    box-shadow:0 4px 24px rgba(14,140,127,.3);
}
.hero-play:hover{background:var(--teal-l);transform:translateY(-2px);box-shadow:0 8px 32px rgba(14,140,127,.35)}
.hero-play-icon{display:flex;align-items:center}
.hero-play-icon svg{width:20px;height:20px}
.hero-explore{
    display:inline-flex;align-items:center;gap:8px;
    color:rgba(255,255,255,.6);padding:16px 28px;border-radius:100px;
    font-weight:600;font-size:.95rem;
    border:1px solid rgba(255,255,255,.12);transition:all .2s;
}
.hero-explore:hover{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.04)}

/* Hero badges */
.hero-badges{
    display:flex;gap:32px;justify-content:center;
}
.hb{
    display:flex;align-items:center;gap:8px;
    color:rgba(255,255,255,.4);font-size:.78rem;font-weight:500;
}
.hb svg{opacity:.5}

/* ======== CHANNELS ======== */
.channels{padding:80px 0}
.channels-header{text-align:center;margin-bottom:40px}
.channels-header h2{font-family:var(--fd);font-size:2.4rem;letter-spacing:4px;color:var(--dark);margin-top:4px}
.ch-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ch-card{
    background:var(--white);border-radius:var(--r-lg);
    overflow:hidden;border:1px solid var(--border);
    transition:transform .3s,box-shadow .3s;
}
.ch-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.08)}
.ch-card-img{
    position:relative;aspect-ratio:16/9;overflow:hidden;
}
.ch-warm .ch-card-img{background:linear-gradient(135deg,var(--warm-bg),#1a1018)}
.ch-cool .ch-card-img{background:linear-gradient(135deg,var(--cool-bg),#0a1218)}
.ch-card-overlay{
    position:absolute;inset:0;
    background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 60%);
}
.ch-card-badge{
    position:absolute;top:16px;left:16px;
    padding:4px 12px;border-radius:100px;
    background:rgba(255,255,255,.15);backdrop-filter:blur(8px);
    font-size:.7rem;font-weight:600;color:#fff;
    text-transform:uppercase;letter-spacing:1.5px;
}
.ch-card-info{
    position:absolute;bottom:20px;left:20px;right:20px;color:#fff;
}
/* Mini vinyl in card */
.ch-card-vinyl{position:absolute;right:20px;top:50%;transform:translateY(-50%);opacity:.2}
.mini-vinyl{
    width:100px;height:100px;border-radius:50%;
    background:conic-gradient(#222,#333,#222,#333,#222);
    display:flex;align-items:center;justify-content:center;
    animation:spin 10s linear infinite;
}
.mv-center{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--warm),#c04818)}
@keyframes spin{to{transform:translateY(-50%) rotate(360deg)}}

/* Mini EQ in card */
.ch-card-eq{
    position:absolute;right:24px;top:50%;transform:translateY(-50%);
    display:flex;align-items:flex-end;gap:3px;height:50px;opacity:.25;
}
.ch-card-eq span{
    width:4px;border-radius:2px;background:var(--teal-l);
    animation:ceq 1.2s ease-in-out infinite;
}
.ch-card-eq span:nth-child(1){height:30%;animation-delay:0s}
.ch-card-eq span:nth-child(2){height:55%;animation-delay:.08s}
.ch-card-eq span:nth-child(3){height:80%;animation-delay:.16s}
.ch-card-eq span:nth-child(4){height:45%;animation-delay:.04s}
.ch-card-eq span:nth-child(5){height:100%;animation-delay:.12s}
.ch-card-eq span:nth-child(6){height:60%;animation-delay:.2s}
.ch-card-eq span:nth-child(7){height:75%;animation-delay:.06s}
.ch-card-eq span:nth-child(8){height:90%;animation-delay:.14s}
.ch-card-eq span:nth-child(9){height:40%;animation-delay:.1s}
@keyframes ceq{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}

.ch-card-info h3{
    font-family:var(--fd);font-size:1.8rem;font-weight:400;
    letter-spacing:3px;margin-bottom:4px;
}
.ch-card-info p{font-size:.85rem;color:rgba(255,255,255,.7)}
.ch-card-body{padding:20px 24px 24px}
.ch-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.ch-tags span{
    padding:4px 10px;border-radius:100px;font-size:.7rem;font-weight:600;
    background:var(--teal-bg);color:var(--teal);
}
.ch-card-body p{color:var(--text2);font-size:.9rem;line-height:1.7;margin-bottom:18px}
.ch-play-btn{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--teal);color:#fff;border:0;cursor:pointer;
    padding:10px 24px;border-radius:100px;
    font-family:var(--f);font-weight:600;font-size:.85rem;
    transition:all .3s;
}
.ch-play-btn svg{width:14px;height:14px}
.ch-play-warm{background:linear-gradient(135deg,var(--warm),#c04818)}
.ch-play-warm:hover{box-shadow:0 4px 16px rgba(224,120,48,.25);transform:translateY(-1px)}
.ch-play-cool{background:linear-gradient(135deg,var(--teal),#0ba4c4)}
.ch-play-cool:hover{box-shadow:0 4px 16px rgba(14,140,127,.25);transform:translateY(-1px)}
.ch-tags span{display:inline-flex;align-items:center;gap:4px}
.ch-tags svg{opacity:.5}

/* ======== STORY ======== */
.story{padding:100px 0;background:var(--white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.story-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:72px;align-items:start}
.section-label{
    font-size:.7rem;font-weight:700;text-transform:uppercase;
    letter-spacing:3px;color:var(--teal);display:block;margin-bottom:12px;
}
.story h2,.quiz h2,.faq-left h2{
    font-family:var(--fd);font-size:clamp(1.8rem,4vw,2.8rem);
    font-weight:400;letter-spacing:3px;line-height:1.15;color:var(--dark);
    text-transform:uppercase;
}
.story-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--border)}
.story-item:last-child{border-bottom:0}
.si-num{
    font-family:var(--fd);font-size:.8rem;font-weight:800;
    color:var(--teal);flex-shrink:0;padding-top:2px;
}
.story-item h4{font-weight:700;font-size:.95rem;margin-bottom:6px;color:var(--dark)}
.story-item p{color:var(--text2);font-size:.9rem;line-height:1.7}

/* ======== QUIZ ======== */
.quiz{padding:100px 0}
.quiz-intro{text-align:center;margin-bottom:36px}
.quiz-intro p{color:var(--text2);margin-top:10px;font-size:.95rem}
.quiz-card{
    max-width:620px;margin:0 auto;
    background:var(--white);border:1px solid var(--border);
    border-radius:var(--r-lg);padding:48px 40px;
}
#quiz-area{min-height:100px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--teal);color:#fff;padding:14px 32px;
    border-radius:100px;font-family:var(--f);font-weight:700;
    font-size:.92rem;border:0;cursor:pointer;transition:all .3s;
}
.btn-primary:hover{background:var(--teal-l);transform:translateY(-1px)}
.quiz-progress{font-size:.68rem;color:var(--text3);text-transform:uppercase;letter-spacing:2px;margin-bottom:4px}
.quiz-score{font-size:.85rem;color:var(--text2);margin-bottom:22px}
.quiz-question{font-family:var(--fd);font-size:1.15rem;font-weight:700;line-height:1.4;margin-bottom:22px;text-align:center;color:var(--dark)}
.quiz-answers{display:flex;flex-direction:column;gap:8px;width:100%}
.quiz-answer{
    background:var(--bg);border:1px solid var(--border);border-radius:var(--r);
    padding:14px 18px;text-align:left;color:var(--text);font-size:.9rem;
    font-family:var(--f);cursor:pointer;transition:all .2s;
}
.quiz-answer:hover{border-color:var(--teal);background:var(--teal-bg)}
.quiz-answer.correct{border-color:var(--teal);background:rgba(14,140,127,.1);color:var(--teal)}
.quiz-answer.wrong{border-color:#e74c3c;background:rgba(231,76,60,.06);color:#e74c3c}
.quiz-fact{
    background:var(--bg);border-left:3px solid var(--gold);
    padding:12px 16px;margin-top:16px;font-size:.85rem;
    color:var(--text2);line-height:1.6;border-radius:0 var(--r) var(--r) 0;text-align:left;
}
.quiz-result{text-align:center}
.quiz-result h3{font-family:var(--fd);font-size:1.3rem;color:var(--dark)}
.quiz-result .score-big{
    font-family:var(--fd);font-size:3rem;font-weight:800;
    color:var(--teal);margin:8px 0;
}
.quiz-result p{color:var(--text2);margin-bottom:20px}

/* ======== FAQ ======== */
.faq{padding:100px 0;background:var(--white);border-top:1px solid var(--border)}
.faq-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:72px;align-items:start}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item summary{
    display:flex;justify-content:space-between;align-items:center;
    padding:18px 0;cursor:pointer;list-style:none;
    font-weight:600;font-size:.92rem;color:var(--dark);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--teal)}
.faq-icon{width:20px;height:20px;position:relative;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
    content:'';position:absolute;top:50%;left:50%;
    background:var(--text3);border-radius:1px;transition:all .25s;
}
.faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%)}
details[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-item p{padding:0 0 18px;color:var(--text2);line-height:1.7;font-size:.9rem}
.faq-item a{color:var(--teal);font-weight:600}
.faq-item a:hover{text-decoration:underline}
.faq-streams{padding:0 0 18px}
.faq-streams>p{padding-bottom:12px}
.stream-row{
    display:flex;align-items:center;gap:12px;
    background:var(--bg);border:1px solid var(--border);
    border-radius:var(--r);padding:10px 14px;margin-bottom:8px;
    flex-wrap:wrap;
}
.stream-name{font-size:.75rem;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:1px;min-width:120px}
.stream-row code{flex:1;font-size:.8rem;color:var(--teal);word-break:break-all}
.copy-btn{
    background:var(--teal);color:#fff;border:0;border-radius:8px;
    padding:6px 14px;font-size:.75rem;font-weight:600;
    cursor:pointer;transition:background .2s;font-family:var(--f);
}
.copy-btn:hover{background:var(--teal-l)}
.copy-btn.copied{background:#22c55e}

/* ======== FOOTER ======== */
.footer{padding:48px 0 32px;border-top:1px solid var(--border)}
.footer-grid{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.footer-brand{display:flex;align-items:center;gap:14px}
.footer-brand img{width:36px;height:36px;border-radius:50%}
.footer-brand p{color:var(--text3);font-size:.85rem}
.footer-links{display:flex;gap:24px}
.footer-links a{font-size:.85rem;color:var(--text3);font-weight:500;transition:color .2s}
.footer-links a:hover{color:var(--text)}
.footer-legal{color:var(--text3);font-size:.72rem;line-height:1.7;max-width:700px}

/* ======== STICKY PLAYER BAR ======== */
.player-bar{
    position:fixed;bottom:0;left:0;right:0;z-index:900;
    height:var(--player-h);
    background:linear-gradient(135deg,var(--dark),var(--dark2));
    border-top:1px solid rgba(255,255,255,.06);
    box-shadow:0 -4px 24px rgba(0,0,0,.15);
}
.pb-inner{
    max-width:var(--mw);margin:0 auto;padding:0 24px;
    height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.pb-info{display:flex;align-items:center;gap:14px;flex:1;min-width:0}
.pb-art{width:48px;height:48px;border-radius:10px;flex-shrink:0}
.pb-text{min-width:0}
.pb-title{display:block;font-weight:700;font-size:.9rem;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pb-channel{display:block;font-size:.75rem;color:rgba(255,255,255,.5)}
.pb-controls{display:flex;align-items:center;gap:8px}
.pb-ch-btn{
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.7);padding:8px 16px;border-radius:100px;
    font-family:var(--f);font-size:.78rem;font-weight:600;cursor:pointer;
    transition:all .2s;
}
.pb-ch-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.pb-ch-btn.active{background:var(--teal);border-color:var(--teal);color:#fff}
.pb-ch-label{white-space:nowrap}
.pb-play{
    width:52px;height:52px;border-radius:50%;
    background:var(--teal);border:0;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:all .2s;color:#fff;flex-shrink:0;
}
.pb-play:hover{background:var(--teal-l);transform:scale(1.05)}
.pb-play svg{width:20px;height:20px}
.pb-volume{display:flex;align-items:center;gap:8px;flex-shrink:0}
.pb-vol-icon{width:18px;height:18px;color:rgba(255,255,255,.5);flex-shrink:0}
.pb-vol-slider{
    width:80px;-webkit-appearance:none;appearance:none;
    height:3px;background:rgba(255,255,255,.12);border-radius:2px;outline:0;
}
.pb-vol-slider::-webkit-slider-thumb{
    -webkit-appearance:none;width:12px;height:12px;border-radius:50%;
    background:var(--teal-l);cursor:pointer;
}

/* ======== INSTALL BANNER ======== */
.install-banner{
    display:none;
    position:fixed;bottom:calc(var(--player-h) + 12px);left:50%;
    transform:translateX(-50%);z-index:850;
    width:calc(100% - 32px);max-width:480px;
    background:var(--white);border:1px solid var(--border);
    border-radius:var(--r-lg);padding:14px 16px;
    box-shadow:0 8px 32px rgba(0,0,0,.12);
    animation:slideUp .4s ease;
}
.install-banner.show{display:block}
@keyframes slideUp{from{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.install-inner{display:flex;align-items:center;gap:12px}
.install-icon{width:40px;height:40px;border-radius:10px;flex-shrink:0}
.install-text{flex:1;min-width:0}
.install-text strong{display:block;font-size:.9rem;color:var(--dark)}
.install-text span{font-size:.78rem;color:var(--text2)}
.install-btn{
    background:var(--teal);color:#fff;border:0;border-radius:100px;
    padding:8px 20px;font-family:var(--f);font-weight:700;font-size:.82rem;
    cursor:pointer;transition:background .2s;flex-shrink:0;
}
.install-btn:hover{background:var(--teal-l)}
.install-close{
    background:0;border:0;font-size:1.3rem;color:var(--text3);
    cursor:pointer;padding:4px 8px;flex-shrink:0;line-height:1;
}
.install-close:hover{color:var(--text)}

/* ======== REVEAL ======== */
.rv{opacity:0;transform:translateY(24px);transition:all .6s cubic-bezier(.2,1,.3,1)}
.rv.v{opacity:1;transform:translateY(0)}

/* ======== RESPONSIVE ======== */
@media(max-width:768px){
    .h-nav{display:none}
    .h-burger{display:flex}
    .h-nav.open{
        display:flex;position:fixed;inset:0;z-index:5;
        background:var(--white);
        flex-direction:column;justify-content:center;align-items:center;gap:24px;
    }
    .h-nav.open a{font-size:1.2rem;color:var(--dark)}
    .hero{padding:100px 20px 60px}
    .ch-cards{grid-template-columns:1fr}
    .story-grid,.faq-grid{grid-template-columns:1fr;gap:36px}
    .quiz-card{padding:32px 20px}
    .pb-volume{display:none}
    .pb-ch-btn .pb-ch-label{display:none}
    .pb-ch-btn::after{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
    .footer-grid{flex-direction:column;gap:20px;align-items:flex-start}
}