/* ===== DESIGN SYSTEM — IQ EXAM ===== */

/* ---------- Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#0D9488;
  --primary-light:#2DD4BF;
  --primary-dark:#115E59;
  --accent:#0284C7;
  --accent-light:#38BDF8;
  --bg:#F8FAFC;
  --bg-card:#FFFFFF;
  --bg-card-hover:#F0FDFA;
  --surface:#E2E8F0;
  --text:#0F172A;
  --text-muted:#64748B;
  --gradient:linear-gradient(135deg,#0D9488 0%,#0284C7 50%,#06B6D4 100%);
  --gradient-btn:linear-gradient(135deg,#0D9488,#0284C7);
  --gradient-hero:linear-gradient(160deg,#F8FAFC 0%,#CCFBF1 40%,#99F6E4 70%,#F8FAFC 100%);
  --shadow:0 4px 24px rgba(13,148,136,.1);
  --radius:12px;
  --radius-sm:8px;
  --font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --transition:0.3s cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

/* ---------- Utility ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-label{font-size:.8rem;letter-spacing:3px;text-transform:uppercase;color:var(--primary-light);margin-bottom:12px;font-weight:600}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.2;margin-bottom:20px}
.section-subtitle{color:var(--text-muted);font-size:1.1rem;max-width:600px;line-height:1.7}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flex-center{display:flex;align-items:center;justify-content:center}
.gap-16{gap:16px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:var(--transition);font-family:var(--font)}
.btn-primary{background:var(--gradient-btn);color:#fff;box-shadow:0 4px 20px rgba(13,148,136,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(13,148,136,.45)}
.btn-secondary{background:transparent;color:var(--text);border:2px solid rgba(13,148,136,.15)}
.btn-secondary:hover{border-color:var(--primary-light);background:rgba(13,148,136,.08)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 20px rgba(6,182,212,.3)}
.btn-accent:hover{background:var(--accent-light);transform:translateY(-2px)}
.btn-sm{padding:10px 22px;font-size:.9rem}
.btn-lg{padding:18px 42px;font-size:1.1rem}

/* ---------- Navigation ---------- */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(248,250,252,.92);backdrop-filter:blur(20px);padding:12px 0;box-shadow:0 2px 20px rgba(13,148,136,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:1.5rem;font-weight:800;display:flex;align-items:center;gap:8px}
.nav-logo .logo-icon{width:36px;height:36px;border-radius:10px;display:block;object-fit:cover}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--text-muted);transition:var(--transition);position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--gradient-btn);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:16px}
.nav-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}


/* ---------- Hero ---------- */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--gradient-hero);padding-top:80px;padding-bottom:40px}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(13,148,136,.1) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(2,132,199,.08) 0%,transparent 70%);border-radius:50%}
.hero-content{position:relative;z-index:2;max-width:640px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(13,148,136,.15);border:1px solid rgba(13,148,136,.3);border-radius:50px;font-size:.85rem;color:var(--primary-light);margin-bottom:24px;font-weight:500}
.hero-badge .pulse{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(2.4rem,5.5vw,3.8rem);font-weight:800;line-height:1.1;margin-bottom:20px}
.hero p{color:var(--text-muted);font-size:1.15rem;line-height:1.7;margin-bottom:36px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:48px;margin-top:56px}
.hero-stat{text-align:left}
.hero-stat .number{font-size:2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stat .label{font-size:.85rem;color:var(--text-muted);margin-top:4px}
.hero-visual{position:relative;z-index:2}
.hero-visual .brain-graphic{width:100%;max-width:480px;aspect-ratio:1;background:radial-gradient(ellipse at center,rgba(13,148,136,.08) 0%,transparent 70%);border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative}
.hero-visual .brain-graphic::before{content:'🧠';font-size:8rem;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.brain-ring{position:absolute;border:1px solid rgba(13,148,136,.12);border-radius:50%;animation:spin 20s linear infinite}
.brain-ring:nth-child(2){width:80%;height:80%;animation-duration:25s;animation-direction:reverse}
.brain-ring:nth-child(3){width:60%;height:60%;animation-duration:18s}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}

/* ---------- Features / Cards ---------- */
.feature-card{background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:var(--radius);padding:clamp(24px,4vw,36px);transition:var(--transition);position:relative;overflow:hidden;box-shadow:0 2px 12px rgba(13,148,136,.04)}
.feature-card:hover{background:var(--bg-card-hover);border-color:rgba(13,148,136,.2);transform:translateY(-4px);box-shadow:0 8px 30px rgba(13,148,136,.08)}
.feature-card .icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}
.feature-card .icon.purple{background:rgba(13,148,136,.12)}
.feature-card .icon.blue{background:rgba(2,132,199,.12)}
.feature-card .icon.green{background:rgba(6,182,212,.12)}
.feature-card .icon.orange{background:rgba(234,88,12,.12)}
.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--text-muted);font-size:.95rem;line-height:1.6}

/* ---------- How-it-works / Steps ---------- */
.steps{display:flex;gap:24px;counter-reset:step}
.step{flex:1;position:relative;padding:36px 28px;background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:var(--radius);text-align:center}
.step::before{counter-increment:step;content:counter(step);width:44px;height:44px;background:var(--gradient-btn);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin:0 auto 20px}
.step h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.step p{color:var(--text-muted);font-size:.9rem;line-height:1.6}

/* ---------- Testimonials ---------- */
.testimonial-card{background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:var(--radius);padding:32px;transition:var(--transition)}
.testimonial-card:hover{border-color:rgba(13,148,136,.2)}
.testimonial-stars{color:#0369A1;font-size:.9rem;margin-bottom:16px}
.testimonial-text{color:var(--text-muted);font-size:.95rem;line-height:1.7;margin-bottom:20px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:var(--gradient-btn);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.testimonial-name{font-weight:600;font-size:.95rem}
.testimonial-role{color:var(--text-muted);font-size:.8rem}

/* ---------- CTA Banner ---------- */
.cta-banner{background:var(--bg-card);border:1px solid rgba(13,148,136,.1);border-radius:24px;padding:clamp(32px,5vw,72px) clamp(20px,4vw,48px);text-align:center;position:relative;overflow:hidden;box-shadow:0 4px 40px rgba(13,148,136,.06)}
.cta-banner::before{content:'';position:absolute;top:-60%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(2,132,199,.06) 0%,transparent 70%);border-radius:50%}
.cta-banner::after{content:'';position:absolute;bottom:-40%;right:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(6,182,212,.06) 0%,transparent 70%);border-radius:50%}
.cta-banner h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;margin-bottom:16px;color:var(--text);position:relative}
.cta-banner p{color:var(--text-muted);font-size:1.05rem;margin-bottom:32px;max-width:520px;margin-left:auto;margin-right:auto;line-height:1.7;position:relative}
.cta-banner .btn{background:var(--gradient-btn);color:#fff;font-weight:700;box-shadow:0 4px 20px rgba(13,148,136,.3);position:relative}
.cta-banner .btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(13,148,136,.35)}

/* ---------- Footer ---------- */
.footer{padding:64px 0 32px;border-top:1px solid rgba(13,148,136,.08)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand p{color:var(--text-muted);font-size:.9rem;line-height:1.7;margin-top:16px;max-width:280px}
.footer-col h4{font-size:.85rem;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);margin-bottom:20px;font-weight:600}
.footer-col a{display:block;color:var(--text-muted);font-size:.9rem;padding:6px 0;transition:var(--transition)}
.footer-col a:hover{color:var(--text);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(13,148,136,.08);padding-top:24px;display:flex;align-items:center;justify-content:space-between;color:var(--text-muted);font-size:.85rem}
.footer-socials{display:flex;gap:16px}
.footer-socials a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(13,148,136,.1);display:flex;align-items:center;justify-content:center;transition:var(--transition);font-size:.85rem}
.footer-socials a:hover{border-color:var(--primary-light);background:rgba(13,148,136,.1)}

/* ---------- Quiz Page ---------- */
.quiz-container{max-width:760px;margin:0 auto;padding-top:120px;min-height:100vh}
.quiz-header{text-align:center;margin-bottom:40px}
.progress-bar-track{width:100%;height:8px;background:var(--surface);border-radius:50px;overflow:hidden;margin-bottom:8px}
.progress-bar-fill{height:100%;background:var(--gradient-btn);border-radius:50px;transition:width .5s ease}
.progress-info{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-muted)}
.quiz-card{background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:20px;padding:48px;margin-bottom:24px;animation:fadeUp .4s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.quiz-card .question-number{font-size:.85rem;color:var(--primary-light);font-weight:600;margin-bottom:12px}
.quiz-card .question-text{font-size:1.25rem;font-weight:700;margin-bottom:28px;line-height:1.4}
.quiz-card .question-image{margin-bottom:24px;text-align:center}
.quiz-card .question-image svg{max-width:320px;margin:0 auto}
.options-list{display:flex;flex-direction:column;gap:10px}
.option-btn{display:flex;align-items:center;gap:14px;width:100%;padding:14px;background:var(--surface);border:2px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);text-align:left;font-family:var(--font);font-size:.95rem;color:var(--text)}
.option-btn:hover{border-color:rgba(13,148,136,.3);background:rgba(13,148,136,.06)}
.option-btn.selected{border-color:var(--primary);background:rgba(13,148,136,.1)}
.option-btn.correct{border-color:var(--accent);background:rgba(6,182,212,.1)}
.option-btn.incorrect{border-color:#EF4444;background:rgba(239,68,68,.1)}
.option-letter{width:36px;height:36px;border-radius:50%;background:rgba(13,148,136,.08);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0;transition:var(--transition)}
.option-btn.selected .option-letter{background:var(--primary);color:#fff}
.quiz-nav{display:flex;justify-content:space-between;gap:16px;margin-top:8px}
.timer-display{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:50px;font-size:.9rem;font-weight:600;color:var(--text)}

/* ---------- Results Page ---------- */
.results-container{max-width:800px;margin:0 auto;padding-top:120px;min-height:100vh}
.score-ring{width:200px;height:200px;margin:0 auto 32px;position:relative}
.score-ring svg{transform:rotate(-90deg)}
.score-ring .score-value{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score-ring .score-number{font-size:3rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.score-ring .score-label{font-size:.85rem;color:var(--text-muted)}
.results-card{background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:var(--radius);padding:36px;margin-bottom:24px}
.results-card h3{font-size:1.15rem;font-weight:700;margin-bottom:16px}
.skill-bar{margin-bottom:16px}
.skill-bar .skill-info{display:flex;justify-content:space-between;margin-bottom:6px;font-size:.9rem}
.skill-bar .skill-name{font-weight:500}
.skill-bar .skill-pct{color:var(--primary-light);font-weight:600}
.skill-bar .bar-track{height:8px;background:var(--surface);border-radius:50px;overflow:hidden}
.skill-bar .bar-fill{height:100%;border-radius:50px;transition:width 1s ease}
.percentile-chart{display:flex;align-items:flex-end;gap:4px;height:120px;margin-top:16px}
.percentile-bar{flex:1;background:var(--surface);border-radius:4px 4px 0 0;transition:height 1s ease;min-width:6px}
.percentile-bar.active{background:var(--gradient-btn)}

/* ---------- About Page ---------- */
.about-hero{padding-top:140px;padding-bottom:80px;background:var(--gradient-hero);position:relative}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.team-card{background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:var(--radius);padding:28px;text-align:center;transition:var(--transition)}
.team-card:hover{transform:translateY(-4px);border-color:rgba(13,148,136,.2)}
.team-avatar{width:80px;height:80px;border-radius:50%;background:var(--gradient-btn);display:flex;align-items:center;justify-content:center;font-size:2rem;margin:0 auto 16px}
.team-card h4{font-size:1.05rem;font-weight:700;margin-bottom:4px}
.team-card .role{color:var(--text-muted);font-size:.85rem}

.stat-card{background:var(--bg-card);border:1px solid rgba(13,148,136,.08);border-radius:var(--radius);padding:32px;text-align:center}
.stat-card .stat-number{font-size:2.4rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}
.stat-card .stat-label{color:var(--text-muted);font-size:.9rem}

/* ---------- Responsive ---------- */

/* ---- Tablet (1024px) ---- */
@media(max-width:1024px){
  .hero .grid-2{grid-template-columns:1fr;text-align:center}
  .hero-content{max-width:100%;order:2}
  .hero-visual{max-width:280px;margin:0 auto;order:1}
  .hero-actions{justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
}

/* ---- Viewport-height safety: keep quiz content in view ---- */
@media(max-width:768px) and (max-height:900px){
  .quiz-card.active{overflow-y:auto;-webkit-overflow-scrolling:touch}
  .options-list{gap:6px!important}
  .option-btn{padding:10px!important;font-size:.85rem!important;gap:10px!important}
  .option-letter{width:26px!important;height:26px!important;font-size:.72rem!important}
  .option-visual-btn .opt-svg svg{max-height:min(55px,8vh)!important}
  .options-visual{gap:6px!important}
  .option-visual-btn{padding:8px 6px!important;gap:4px!important}
}
@media(max-width:480px) and (max-height:750px){
  .options-list{gap:4px!important}
  .option-btn{padding:8px!important;font-size:.82rem!important;gap:8px!important}
  .option-letter{width:24px!important;height:24px!important;font-size:.68rem!important}
  .option-visual-btn .opt-svg svg{max-height:min(45px,7vh)!important}
  .options-visual{gap:4px!important}
  .option-visual-btn{padding:6px 5px!important;gap:3px!important}
}

/* ---- Mobile landscape / small tablet (768px) ---- */
@media(max-width:768px){
  .container{padding:0 16px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;gap:20px}
  .steps{flex-direction:column;gap:16px}
  .section{padding:56px 0}
  .section-title{font-size:clamp(1.4rem,5vw,2rem)}
  .section-subtitle{font-size:.95rem}
  .hero{min-height:auto;padding:100px 0 48px}
  .hero h1{font-size:clamp(1.6rem,6vw,2.4rem)}
  .hero p{font-size:1rem;margin-bottom:24px;margin-left:auto;margin-right:auto}
  .hero-visual{max-width:240px;margin:0 auto}
  .hero-stats{gap:24px;margin-top:36px;flex-wrap:wrap;justify-content:center}
  .hero-stat .number{font-size:1.5rem}
  .hero-actions{flex-direction:column;gap:12px;align-items:center}
  .hero-actions .btn{width:100%;justify-content:center}
  .btn-lg{padding:14px 28px;font-size:1rem}
  .btn{padding:12px 24px;font-size:.9rem}
  .nav-links{display:none}
  .nav-hamburger{display:flex}
  .nav-cta .btn{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(248,250,252,.98);backdrop-filter:blur(20px);padding:24px;gap:20px;border-bottom:1px solid rgba(13,148,136,.1)}
  .quiz-container{padding-top:90px}
  .quiz-header{padding:0 16px 8px;margin-bottom:8px!important}
  .quiz-card{padding:20px 16px 16px}
  .quiz-card.active{display:flex!important;flex-direction:column;flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;margin-bottom:0!important;border-bottom-left-radius:0!important;border-bottom-right-radius:0!important}
  .quiz-nav{display:none!important}
  .quiz-card .question-text{font-size:1.02rem;margin-bottom:12px}
  .quiz-card .question-number{margin-bottom:6px}
  .quiz-card .question-image{padding:15px!important;margin:0!important;flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:0;max-height:30vh;overflow:hidden;box-sizing:border-box}
  .quiz-card .question-image img,.quiz-card .question-image svg{max-width:100%!important;max-height:calc(30vh - 30px)!important;width:auto!important;height:auto!important}
  .quiz-card .q-image{padding:15px!important;margin:0!important;flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:0;max-height:30vh;overflow:hidden;box-sizing:border-box}
  .quiz-card .q-image img,.quiz-card .q-image svg{max-width:100%!important;max-height:calc(30vh - 30px)!important;width:auto!important;height:auto!important;display:block;margin:0 auto}
  #qImage{flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:0;max-height:30vh;overflow:hidden;padding:15px!important;margin:0!important;box-sizing:border-box}
  #qImage img,#qImage svg{max-width:100%!important;max-height:calc(30vh - 30px)!important;width:auto!important;height:auto!important}
  .options-list{gap:8px;margin-top:auto}
  .option-btn{padding:10px;font-size:.86rem;gap:9px}
  .option-letter{width:28px;height:28px;font-size:.74rem}
  .options-visual{gap:8px!important;margin-top:auto}
  .option-visual-btn{padding:10px 8px!important;gap:5px!important}
  .option-visual-btn .opt-svg{max-width:90px!important}
  .option-visual-btn .opt-svg svg{max-height:60px!important;width:auto!important;height:auto!important}
  .option-visual-btn .option-letter{width:24px!important;height:24px!important;font-size:.7rem!important}
  .option-visual-btn span{font-size:.78rem!important}
  .quiz-nav{gap:12px}
  .results-container{padding-top:90px}
  .results-card{padding:24px 18px;margin-bottom:18px}
  .score-ring{width:160px;height:160px;margin-bottom:24px}
  .score-ring .score-number{font-size:2.4rem}
  .feature-card{padding:24px 20px}
  .testimonial-card{padding:24px 20px}
  .step{padding:24px 18px}
  .step::before{width:36px;height:36px;font-size:.95rem}
  .cta-banner{padding:36px 20px;border-radius:16px}
  .cta-banner h2{font-size:1.2rem}
  .cta-banner p{font-size:.9rem;margin-bottom:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:16px;text-align:center}
  .footer-brand p{max-width:100%}
  .about-hero{padding-top:100px;padding-bottom:48px}
  .team-grid{grid-template-columns:1fr 1fr;gap:16px}
  .team-card{padding:20px}
  .team-avatar{width:60px;height:60px;font-size:1.5rem}
  .stat-card{padding:20px}
  .stat-card .stat-number{font-size:1.8rem}
  .percentile-chart{height:80px}
}

/* ---- Small mobile (480px) ---- */
@media(max-width:480px){
  .container{padding:0 14px}
  .section{padding:44px 0}
  .hero{padding:84px 0 44px}
  .hero h1{font-size:1.5rem;margin-bottom:14px}
  .hero p{font-size:.9rem;line-height:1.6}
  .hero-badge{font-size:.78rem;padding:6px 12px}
  .hero-stats{gap:16px;margin-top:28px}
  .hero-stat .number{font-size:1.3rem}
  .hero-stat .label{font-size:.75rem}
  .section-title{font-size:1.3rem}
  .section-label{font-size:.7rem;letter-spacing:2px}
  .btn-lg{padding:12px 24px;font-size:.9rem}
  .btn-sm{padding:9px 18px;font-size:.82rem}
  .quiz-container{padding-top:70px}
  .quiz-header{padding:0 12px 8px;margin-bottom:0}
  .quiz-card{padding:14px 12px 12px}
  .quiz-container{padding-top:70px}
  .quiz-card .question-text{font-size:.92rem;margin-bottom:8px;line-height:1.3}
  .quiz-card .question-number{font-size:.75rem;margin-bottom:4px}
  .quiz-card .question-category{font-size:.7rem!important;margin-bottom:2px!important}
  .quiz-card .question-image{padding:15px!important;margin:0!important;flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:0;max-height:30vh;overflow:hidden;box-sizing:border-box}
  .quiz-card .question-image img,.quiz-card .question-image svg{max-width:100%!important;max-height:calc(30vh - 30px)!important;width:auto!important;height:auto!important}
  .quiz-card .q-image{padding:15px!important;margin:0!important;flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:0;max-height:30vh;overflow:hidden;box-sizing:border-box}
  .quiz-card .q-image img,.quiz-card .q-image svg{max-width:100%!important;max-height:calc(30vh - 30px)!important;width:auto!important;height:auto!important;display:block;margin:0 auto}
  #qImage{flex:1 1 auto;display:flex;align-items:center;justify-content:center;min-height:0;max-height:30vh;overflow:hidden;padding:15px!important;margin:0!important;box-sizing:border-box}
  #qImage img,#qImage svg{max-width:100%!important;max-height:calc(30vh - 30px)!important;width:auto!important;height:auto!important}
  .options-list{gap:5px}
  .option-btn{padding:8px;font-size:.82rem;gap:8px}
  .option-letter{width:25px!important;height:25px!important;font-size:.7rem!important}
  .options-visual{gap:5px!important}
  .option-visual-btn{padding:8px 6px!important;gap:4px!important}
  .option-visual-btn .opt-svg{max-width:80px!important}
  .option-visual-btn .opt-svg svg{max-height:50px!important;width:auto!important;height:auto!important}
  .option-visual-btn .option-letter{width:22px!important;height:22px!important;font-size:.65rem!important}
  .option-visual-btn span{font-size:.72rem!important}
  .quiz-nav{margin-top:8px!important;gap:8px}
  .progress-info{font-size:.78rem}
  .timer-display{font-size:.8rem;padding:6px 12px}
  .results-container{padding-top:80px}
  .results-card{padding:20px 16px}
  .score-ring{width:140px;height:140px}
  .score-ring .score-number{font-size:2rem}
  .score-ring .score-label{font-size:.75rem}
  .skill-bar .skill-info{font-size:.82rem}
  .skill-bar .bar-track{height:6px}
  .feature-card{padding:20px 16px}
  .feature-card h3{font-size:1.05rem}
  .feature-card p{font-size:.85rem}
  .testimonial-card{padding:20px 16px}
  .testimonial-text{font-size:.88rem}
  .cta-banner{padding:28px 16px;border-radius:14px}
  .cta-banner h2{font-size:1.1rem}
  .cta-banner p{font-size:.82rem;margin-bottom:16px}
  .footer{padding:40px 0 24px}
  .footer-col h4{font-size:.78rem;margin-bottom:14px}
  .footer-col a{font-size:.85rem}
  .about-hero{padding-top:84px;padding-bottom:36px}
  .team-grid{grid-template-columns:1fr;gap:14px}
  .team-card{padding:18px}
  .percentile-chart{height:60px}
  .nav-logo{font-size:1.2rem}
  .nav-logo .logo-icon{width:30px;height:30px}
  .nav-cta .btn{padding:8px 16px;font-size:.82rem}
}

/* ---- Extra small mobile (360px and below) ---- */
@media(max-width:360px){
  .container{padding:0 12px}
  .hero h1{font-size:1.3rem}
  .hero p{font-size:.85rem}
  .hero-stats{flex-direction:column;gap:12px;align-items:flex-start}
  .btn-lg{padding:11px 20px;font-size:.85rem;width:100%}
  .quiz-header{padding:0 10px 8px;margin-bottom:0}
  .quiz-card{padding:12px 10px 10px}
  .quiz-card .question-text{font-size:.88rem;margin-bottom:6px}
  .quiz-card .question-image svg{max-width:100%!important;max-height:calc(30vh - 30px)!important}
  .quiz-card .q-image svg{max-width:100%!important;max-height:calc(30vh - 30px)!important}
  #qImage svg{max-width:100%!important;max-height:calc(30vh - 30px)!important}
  .options-list{gap:4px}
  .option-btn{padding:7px;font-size:.78rem;gap:7px}
  .option-letter{width:22px!important;height:22px!important;font-size:.65rem!important}
  .options-visual{gap:4px!important}
  .option-visual-btn{padding:6px 5px!important;gap:3px!important}
  .option-visual-btn .opt-svg{max-width:65px!important}
  .option-visual-btn .opt-svg svg{max-height:40px!important}
  .results-card{padding:18px 14px}
  .score-ring{width:120px;height:120px}
  .score-ring .score-number{font-size:1.7rem}
  .cta-banner{padding:24px 14px}
  .grid-2,.grid-3{grid-template-columns:1fr!important}
  .feature-card{padding:18px 14px}
  .nav-links.open{padding:16px}
}