@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-sans-greek-400-normal.woff2') format('woff2');unicode-range:U+0370-03FF,U+1F00-1FFF;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+2000-206F;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-sans-greek-500-normal.woff2') format('woff2');unicode-range:U+0370-03FF,U+1F00-1FFF;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+2000-206F;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/ibm-plex-sans-greek-600-normal.woff2') format('woff2');unicode-range:U+0370-03FF,U+1F00-1FFF;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+2000-206F;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/ibm-plex-sans-greek-700-normal.woff2') format('woff2');unicode-range:U+0370-03FF,U+1F00-1FFF;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-700-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+2000-206F;}

:root{
  --navy:#0b3647; --navy-dp:#082530; --teal:#27bdbe; --teal-dp:#1e9a9b;
  --coral:#f5845c; --pink:#f37b76; --paper:#faf6f0; --ink-soft:#4c6b74;
  --line:rgba(11,54,71,.12);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'IBM Plex Sans',sans-serif;background:var(--paper);color:var(--navy);line-height:1.5;}
.wrap{max-width:640px;margin:0 auto;padding:0 22px;}
a{color:inherit;}

/* Header */
header{padding:20px 0;border-bottom:1px solid var(--line);}
header .wrap{display:flex;align-items:center;justify-content:space-between;max-width:760px;}
header img{height:30px;display:block;}
.back-link{font-size:14px;font-weight:600;color:var(--navy);text-decoration:none;display:flex;align-items:center;gap:6px;}
.back-link:hover{color:var(--teal-dp);}

main{padding:44px 0 70px;}

/* Intro — dark hero card, echoes the radiating sound-wave mark used on app/test.hearingplus.gr */
.quiz-intro{position:relative;overflow:hidden;text-align:center;padding:52px 26px 44px;border-radius:28px;background:linear-gradient(165deg,var(--navy) 0%,var(--navy-dp) 100%);}
.intro-waves{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;transform-origin:0% 100%;animation:waveIn 1s cubic-bezier(.16,.8,.3,1) both,waveBreathe 4.5s ease-in-out 1s infinite;}
@keyframes waveIn{from{opacity:0;transform:scale(.94);}to{opacity:1;transform:scale(1);}}
@keyframes waveBreathe{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.035);opacity:.9;}}
.quiz-intro-content{position:relative;z-index:1;}
.quiz-intro .k{font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--teal);margin-bottom:12px;}
.quiz-intro h1{font-size:clamp(26px,5vw,34px);font-weight:800;line-height:1.15;margin:0 0 14px;color:#fff;}
.quiz-intro p{font-size:16px;color:rgba(255,255,255,.72);line-height:1.6;margin:0 0 30px;max-width:480px;margin-left:auto;margin-right:auto;}
.btn-start{display:inline-flex;align-items:center;gap:8px;background:var(--teal);color:#fff;font-weight:700;font-size:16px;border:none;border-radius:100px;padding:16px 30px;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease;min-height:52px;}
.btn-start:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(39,189,190,.5);}
.btn-start:focus-visible{outline:3px solid var(--teal-dp);outline-offset:3px;}

/* Progress */
.quiz-progress{margin-bottom:28px;}
.quiz-progress-label{display:flex;justify-content:space-between;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:8px;}
.quiz-progress-track{height:6px;background:var(--line);border-radius:100px;overflow:hidden;}
.quiz-progress-fill{height:100%;background:var(--teal);border-radius:100px;transition:width .4s cubic-bezier(.16,.8,.3,1);}

/* Question card */
.q-card{display:none;}
.q-card.active{display:block;animation:qfade .32s ease both;}
@keyframes qfade{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.q-card h2{font-size:clamp(21px,4.4vw,26px);font-weight:700;line-height:1.3;margin:0 0 26px;}
.q-answers{display:flex;flex-direction:column;gap:12px;}
.q-answer{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:#fff;border:2px solid var(--line);border-radius:16px;padding:18px 20px;font-family:inherit;font-size:16px;font-weight:600;color:var(--navy);cursor:pointer;min-height:44px;transition:border-color .2s ease,background .2s ease,transform .2s ease;}
.q-answer:hover{border-color:rgba(39,189,190,.5);transform:translateY(-1px);}
.q-answer:focus-visible{outline:3px solid var(--teal-dp);outline-offset:2px;}
.q-answer .dot{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);position:relative;transition:border-color .2s ease,background .2s ease;}
.q-answer.selected{border-color:var(--teal);background:rgba(39,189,190,.06);}
.q-answer.selected .dot{border-color:var(--teal);background:var(--teal);}
.q-answer.selected .dot::after{content:"";position:absolute;inset:0;margin:auto;width:8px;height:8px;border-radius:50%;background:#fff;animation:dotpop .25s ease;}
@keyframes dotpop{from{transform:scale(0);}to{transform:scale(1);}}

.q-nav{display:flex;justify-content:space-between;align-items:center;margin-top:30px;}
.q-back{background:none;border:none;font-family:inherit;font-size:14.5px;font-weight:600;color:var(--ink-soft);cursor:pointer;padding:10px 4px;min-height:44px;}
.q-back:disabled{opacity:0;pointer-events:none;}
.q-back:focus-visible{outline:3px solid var(--teal-dp);outline-offset:2px;border-radius:8px;}

/* Result */
.result-card{display:none;}
.result-card.active{display:block;animation:qfade .45s ease both;}
.result-tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--teal-dp);background:rgba(39,189,190,.1);padding:6px 16px;border-radius:100px;margin-bottom:18px;}
.result-card h2{font-size:clamp(24px,5vw,30px);font-weight:800;line-height:1.25;margin:0 0 18px;}
.result-card p{font-size:16px;line-height:1.7;color:var(--ink-soft);margin:0 0 28px;}
.result-ctas{display:flex;flex-direction:column;gap:12px;}
.btn-primary{display:block;text-align:center;background:var(--teal);color:#fff;font-weight:700;font-size:16px;text-decoration:none;border-radius:100px;padding:16px 24px;min-height:48px;transition:transform .25s ease,box-shadow .25s ease;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(39,189,190,.5);}
.btn-secondary{display:block;text-align:center;background:#fff;color:var(--navy);font-weight:700;font-size:16px;text-decoration:none;border:2px solid var(--line);border-radius:100px;padding:14px 24px;min-height:48px;transition:border-color .2s ease,transform .2s ease;}
.btn-secondary:hover{border-color:var(--teal);transform:translateY(-2px);}
.restart-link{display:block;text-align:center;margin-top:20px;font-size:14.5px;font-weight:600;color:var(--ink-soft);text-decoration:underline;background:none;border:none;cursor:pointer;font-family:inherit;padding:10px;min-height:44px;width:100%;}

.disclaimer{margin-top:34px;font-size:13px;line-height:1.6;color:var(--ink-soft);background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;}

footer{border-top:1px solid var(--line);padding:26px 0;text-align:center;font-size:13px;color:var(--ink-soft);}

/* Accessibility & motion */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.001s!important;}
  .intro-waves{animation:none!important;}
}
@media(max-width:480px){
  main{padding:30px 0 50px;}
  .q-answer{padding:16px 16px;font-size:15px;}
}