/* =========================================================================
   LUDIQUEST — LANDING PAGE
   Design 100% código: HTML + CSS + SVG inline, sem imagens externas.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --purple:#7C3AED;
  --turquoise:#22D3EE;
  --orange:#F59E0B;
  --green:#10B981;
  --navy:#0F172A;
  --white:#FFFFFF;
  --bg:#F4F8FF;
  --ink:#0F172A;
  --ink-dim:#5B6B8C;
  --line:#E4EAF7;

  --grad-primary:linear-gradient(120deg,var(--blue),var(--purple));
  --grad-warm:linear-gradient(120deg,var(--orange),#F97316);

  --font-display:'Poppins',sans-serif;
  --font-body:'Poppins',sans-serif;

  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --radius-pill:999px;

  --shadow-sm:0 2px 10px rgba(15,23,42,.06);
  --shadow-md:0 12px 30px rgba(37,99,235,.12);
  --shadow-lg:0 24px 60px rgba(15,23,42,.16);

  --container:1180px;
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;color:var(--navy);line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;background:none;border:none}
img,svg{display:block}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

.grad-text{
  background:var(--grad-primary);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* =========================================================================
   BACKDROP — grid, aurora, blobs, partículas (atrás de tudo, fixo)
   ========================================================================= */
.backdrop{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}

.grid-pattern{
  position:absolute;inset:-10% ;
  background-image:
    linear-gradient(to right, rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 0%, #000 40%, transparent 85%);
}

.aurora{
  position:absolute;
  width:70vw;height:70vw;
  border-radius:50%;
  filter:blur(90px);
  opacity:.35;
  animation:auroraMove 26s ease-in-out infinite alternate;
}
.aurora-1{
  top:-20%;left:-15%;
  background:radial-gradient(circle, var(--blue), transparent 65%);
}
.aurora-2{
  top:10%;right:-20%;
  background:radial-gradient(circle, var(--purple), transparent 65%);
  animation-duration:32s;
  animation-delay:-8s;
}
@keyframes auroraMove{
  0%{transform:translate(0,0) scale(1)}
  100%{transform:translate(4%,6%) scale(1.08)}
}

.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.22}
.blob-a{width:420px;height:420px;top:38%;left:6%;background:var(--turquoise);animation:blobFloat 18s ease-in-out infinite}
.blob-b{width:340px;height:340px;bottom:6%;right:8%;background:var(--orange);animation:blobFloat 22s ease-in-out infinite reverse}
.blob-c{width:300px;height:300px;bottom:40%;left:40%;background:var(--green);opacity:.14;animation:blobFloat 20s ease-in-out infinite}
@keyframes blobFloat{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(3%,-4%)}
}

.particles{position:absolute;inset:0}
.particle{
  position:absolute;border-radius:50%;
  background:var(--blue);opacity:.35;
  animation:particleDrift linear infinite;
}
@keyframes particleDrift{
  0%{transform:translateY(0) translateX(0);opacity:0}
  10%{opacity:.4}
  90%{opacity:.4}
  100%{transform:translateY(-120vh) translateX(20px);opacity:0}
}

/* =========================================================================
   LAYOUT HELPERS
   ========================================================================= */
main, .nav-inner, .footer-inner{position:relative;z-index:1}
section{position:relative;z-index:1}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;color:var(--blue);
  letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--grad-primary);box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.eyebrow-center{justify-content:center;width:100%}

.section-head{max-width:640px;margin:0 auto 56px;text-align:center;padding:0 24px}
.section-head h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-bottom:14px}
.section-sub{color:var(--ink-dim);font-size:16.5px;line-height:1.6}

/* Reveal-on-scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in-view{opacity:1;transform:translateY(0)}

/* ---------- Buttons ---------- */
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:15.5px;
  padding:15px 26px;border-radius:var(--radius-pill);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(37,99,235,.28)}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-ghost{color:var(--navy);font-weight:600}
.btn-ghost:hover{color:var(--blue)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,0,0,.18)}
.btn-lg{padding:17px 32px;font-size:16.5px}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}

.btn::after{
  content:'';position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(circle, rgba(255,255,255,.5) 0%, transparent 60%);
  opacity:0;transform:scale(0);transition:opacity .5s,transform .5s;
}
.btn:active::after{opacity:1;transform:scale(2);transition:0s}

/* =========================================================================
   NAV
   ========================================================================= */
.nav{
  position:sticky;top:0;z-index:40;
  padding:16px 0;
  transition:background .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease);
}
.nav.scrolled{
  background:rgba(244,248,255,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 24px rgba(15,23,42,.06);
  padding:10px 0;
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-word{font-family:var(--font-display);font-weight:600;font-size:19px;color:var(--navy)}
.brand-word strong{font-weight:800;color:var(--blue)}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-weight:600;font-size:14.5px;color:var(--ink-dim);transition:color .2s}
.nav-links a:hover{color:var(--blue)}

.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:32px;height:32px;align-items:center;justify-content:center}
.nav-toggle span{width:20px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  max-width:var(--container);margin:0 auto;padding:0 24px;
  max-height:0;overflow:hidden;
  transition:max-height .35s var(--ease), padding .35s var(--ease);
}
.mobile-menu.open{max-height:400px;padding:14px 24px 20px}
.mobile-menu a{padding:12px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:10px}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{padding:56px 0 0;overflow:hidden}
.hero-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  min-height:640px;
}
.hero-copy h1{font-size:clamp(34px,4.6vw,54px);font-weight:800;letter-spacing:-.01em;margin-bottom:22px}
.hero-copy .lead{font-size:17.5px;line-height:1.65;color:var(--ink-dim);max-width:520px;margin-bottom:32px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.btn-outline#demoBtn{color:var(--navy)}

.hero-trust{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-dim)}
.trust-stars{display:flex;gap:2px}
.hero-trust strong{color:var(--navy)}

/* ---- Hero art / signature composition ---- */
.hero-art{display:flex;align-items:center;justify-content:center}
.art-stage{position:relative;width:520px;height:520px;max-width:100%}

.orbit-ring{position:absolute;inset:0;animation:spin 60s linear infinite}
.orbit-ring-2{animation:spin 46s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}

.glow-blob{position:absolute;border-radius:50%;filter:blur(50px)}
.glow-blue{width:220px;height:220px;background:rgba(37,99,235,.35);top:6%;left:2%}
.glow-purple{width:200px;height:200px;background:rgba(124,58,237,.3);bottom:4%;right:4%}

.quiz-mock{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:280px;background:rgba(255,255,255,.85);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:22px;padding:22px;
  box-shadow:var(--shadow-lg);
  animation:cardFloat 7s ease-in-out infinite;
}
@keyframes cardFloat{0%,100%{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-10px)}}
.quiz-mock-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.quiz-mock-tag{font-size:11.5px;font-weight:700;color:var(--blue);background:rgba(37,99,235,.1);padding:4px 10px;border-radius:var(--radius-pill)}
.quiz-mock-timer{display:flex;align-items:center;gap:4px;font-size:12px;font-weight:700;color:var(--blue)}
.quiz-mock-q{font-size:15.5px;font-weight:700;color:var(--navy);margin-bottom:14px;line-height:1.4}
.quiz-mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:14px}
.qopt{
  display:flex;align-items:center;justify-content:center;gap:5px;
  padding:11px 6px;border-radius:11px;font-size:12.5px;font-weight:700;color:#fff;
}
.qopt-blue{background:var(--blue)}
.qopt-purple{background:var(--purple);box-shadow:0 0 0 3px rgba(124,58,237,.25)}
.qopt-turq{background:var(--turquoise)}
.qopt-orange{background:var(--orange)}
.quiz-mock-bar{height:6px;border-radius:99px;background:var(--line);overflow:hidden}
.quiz-mock-bar span{display:block;height:100%;width:62%;background:var(--grad-primary);border-radius:99px}

.float-badge{
  position:absolute;width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  animation:badgeFloat var(--dur,6s) ease-in-out infinite;
  animation-delay:var(--delay,0s);
}
@keyframes badgeFloat{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-14px) rotate(-4deg)}}
.badge-question{top:6%;left:8%;background:linear-gradient(135deg,var(--purple),#A78BFA)}
.badge-trophy{top:10%;right:4%;background:linear-gradient(135deg,var(--orange),#FBBF24);border-radius:50%}
.badge-play{bottom:20%;left:0%;background:linear-gradient(135deg,var(--turquoise),#67E8F9);border-radius:50%}
.badge-check{bottom:8%;right:12%;background:linear-gradient(135deg,var(--green),#34D399)}

.mini-card{
  position:absolute;background:#fff;border-radius:14px;padding:10px 14px;
  box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:flex-start;gap:2px;
  animation:badgeFloat var(--dur,7s) ease-in-out infinite;animation-delay:var(--delay,0s);
}
.mini-score{top:2%;right:22%}
.mini-score-num{font-weight:800;color:var(--green);font-size:15px}
.mini-score-label{font-size:10.5px;color:var(--ink-dim);font-weight:600}
.mini-streak{bottom:2%;left:24%;flex-direction:row;align-items:center;gap:6px;padding:9px 13px}
.mini-streak span{font-size:11.5px;font-weight:700;color:var(--navy)}

.dot{position:absolute;border-radius:50%;background:var(--blue)}
.dot-1{width:8px;height:8px;top:26%;right:16%;animation:blobFloat 5s ease-in-out infinite}
.dot-2{width:6px;height:6px;bottom:32%;left:14%;background:var(--purple);animation:blobFloat 6s ease-in-out infinite reverse}
.dot-3{width:5px;height:5px;top:46%;right:2%;background:var(--turquoise);animation:blobFloat 7s ease-in-out infinite}
.star{position:absolute;animation:badgeFloat 5.5s ease-in-out infinite}
.star-1{top:38%;left:-2%}
.star-2{bottom:16%;right:26%;animation-delay:.6s}

.hero-wave{display:block;width:100%;height:70px;margin-top:40px}

/* =========================================================================
   FEATURES
   ========================================================================= */
.features{padding:110px 0 100px}
.feature-grid{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 24px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.feature-icon{
  width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  box-shadow:0 10px 24px -8px rgba(37,99,235,.5);
}
.icon-blue{background:linear-gradient(135deg,var(--blue),#3B82F6)}
.icon-purple{background:linear-gradient(135deg,var(--purple),#A78BFA);box-shadow:0 10px 24px -8px rgba(124,58,237,.5)}
.icon-green{background:linear-gradient(135deg,var(--green),#34D399);box-shadow:0 10px 24px -8px rgba(16,185,129,.5)}
.icon-orange{background:linear-gradient(135deg,var(--orange),#FBBF24);box-shadow:0 10px 24px -8px rgba(245,158,11,.5)}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--ink-dim);font-size:14.5px;line-height:1.6}

/* =========================================================================
   HOW IT WORKS — timeline
   ========================================================================= */
.how{padding:90px 0 110px}
.timeline{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;
}
.timeline::before{
  content:'';position:absolute;top:26px;left:12%;right:12%;height:2px;
  background:repeating-linear-gradient(90deg, var(--blue) 0 10px, transparent 10px 20px);
  opacity:.35;z-index:0;
}
.timeline-step{position:relative;text-align:center;padding:0 10px}
.step-num{
  width:52px;height:52px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-primary);color:#fff;font-weight:800;font-size:19px;
  box-shadow:var(--shadow-md);position:relative;z-index:1;
}
.timeline-step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.timeline-step p{color:var(--ink-dim);font-size:14px;line-height:1.55}

/* =========================================================================
   INTERACTIVE PREVIEW
   ========================================================================= */
.preview{
  max-width:var(--container);margin:0 auto;padding:40px 24px 110px;
  display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center;
}
.preview-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.preview-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--navy);font-weight:600}

.preview-stage{display:flex;justify-content:center}
.game-card{
  width:100%;max-width:400px;background:#fff;border-radius:26px;
  padding:26px;box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.game-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.game-lives{display:flex;gap:5px}
.game-timer{position:relative;width:34px;height:34px;display:flex;align-items:center;justify-content:center}
.game-timer svg{position:absolute;top:0;left:0;transform:rotate(-90deg)}
#timerRing{transition:stroke-dashoffset 1s linear}
.game-timer span{font-size:11px;font-weight:800;color:var(--blue)}

.game-progress-label{font-size:12.5px;font-weight:700;color:var(--ink-dim);margin-bottom:8px}
.game-progress{height:7px;border-radius:99px;background:var(--line);overflow:hidden;margin-bottom:22px}
.game-progress span{display:block;height:100%;background:var(--grad-primary);border-radius:99px;transition:width .5s var(--ease)}

.game-q{font-size:19px;font-weight:700;margin-bottom:20px;min-height:56px}
.game-answers{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.ans{
  padding:16px 10px;border-radius:14px;color:#fff;font-weight:700;font-size:15px;
  transition:transform .18s, filter .18s, box-shadow .18s;
}
.ans-blue{background:var(--blue)}
.ans-purple{background:var(--purple)}
.ans-green{background:var(--green)}
.ans-orange{background:var(--orange)}
.ans:hover{transform:translateY(-3px);filter:brightness(1.06)}
.ans.correct{animation:pulseGood .6s var(--ease)}
.ans.wrong{animation:shakeBad .5s var(--ease)}
@keyframes pulseGood{0%{box-shadow:0 0 0 0 rgba(16,185,129,.6)}70%{box-shadow:0 0 0 16px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
@keyframes shakeBad{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.game-feedback{text-align:center;font-weight:700;font-size:13.5px;color:var(--green);min-height:18px}

/* =========================================================================
   STATS
   ========================================================================= */
.stats{padding:70px 0;background:var(--navy);position:relative;overflow:hidden}
.stats::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%, rgba(37,99,235,.35), transparent 55%),
             radial-gradient(circle at 80% 70%, rgba(124,58,237,.3), transparent 55%);
}
.stats-grid{
  position:relative;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;
}
.stat-num{display:block;font-family:var(--font-display);font-weight:800;font-size:clamp(30px,4vw,44px);color:#fff}
.stat-label{display:block;margin-top:8px;color:#B9C6E8;font-size:13.5px;font-weight:600}

/* =========================================================================
   TESTIMONIALS
   ========================================================================= */
.testimonials{padding:110px 0}
.testimonial-grid{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.testimonial-card{
  background:rgba(255,255,255,.7);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.8);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.testimonial-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.t-stars{color:var(--orange);letter-spacing:2px;margin-bottom:14px}
.testimonial-card blockquote{margin:0 0 22px;font-size:15.5px;line-height:1.6;color:var(--navy);font-weight:500}
.testimonial-card figcaption{display:flex;align-items:center;gap:12px}
.t-avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c1),var(--c2));
  color:#fff;font-weight:700;font-size:13.5px;
}
.t-info{display:flex;flex-direction:column;font-size:13px;color:var(--ink-dim)}
.t-info strong{color:var(--navy);font-size:14px}

/* =========================================================================
   PRICING
   ========================================================================= */
.pricing{padding:90px 0 110px}
.pricing-grid{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;
}
.price-card{
  position:relative;background:#fff;border:1.5px solid var(--line);
  border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.price-featured{
  border-color:transparent;
  background:linear-gradient(#fff,#fff) padding-box, var(--grad-primary) border-box;
  border:2px solid transparent;
  transform:scale(1.04);
  box-shadow:var(--shadow-lg);
}
.price-featured:hover{transform:scale(1.04) translateY(-6px)}
.price-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad-primary);color:#fff;font-size:12px;font-weight:700;
  padding:6px 16px;border-radius:var(--radius-pill);box-shadow:var(--shadow-sm);
}
.price-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.price-desc{color:var(--ink-dim);font-size:13.5px;margin-bottom:18px}
.price-value{font-size:32px;font-weight:800;color:var(--navy);margin-bottom:22px}
.price-value span{font-size:14px;font-weight:600;color:var(--ink-dim)}
.price-list{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;flex:1}
.price-list li{font-size:14px;color:var(--navy);padding-left:24px;position:relative}
.price-list li::before{
  content:'';position:absolute;left:0;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--green);
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 13l4 4L19 7' stroke='black' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/70% no-repeat;
  background-color:var(--green);
}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq{padding:90px 0 120px}
.faq-list{max-width:760px;margin:0 auto;padding:0 24px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 22px;font-weight:700;font-size:15.5px;color:var(--navy);text-align:left;
}
.faq-q svg{flex:none;transition:transform .3s var(--ease);color:var(--blue)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--ink-dim);font-size:14.5px;line-height:1.6}

/* =========================================================================
   FINAL CTA
   ========================================================================= */
.final-cta{padding:0 24px 110px}
.final-cta-inner{
  max-width:var(--container);margin:0 auto;
  background:var(--grad-primary);border-radius:32px;
  padding:70px 40px;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.final-cta-inner::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 20% 20%, rgba(255,255,255,.25), transparent 45%),
             radial-gradient(circle at 80% 80%, rgba(255,255,255,.18), transparent 45%);
}
.final-cta-inner h2{position:relative;color:#fff;font-size:clamp(26px,3.6vw,38px);margin-bottom:12px}
.final-cta-inner p{position:relative;font-size:16px;opacity:.92;margin-bottom:30px}
.final-cta-inner .btn{position:relative}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{background:var(--navy);color:#B9C6E8;padding:70px 0 0}
.footer-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px 50px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand .brand-word{color:#fff}
.footer-brand p{margin:14px 0 18px;font-size:13.5px;line-height:1.6;max-width:260px}
.social-row{display:flex;gap:10px}
.social-row a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:#B9C6E8;
  transition:background .2s, color .2s, border-color .2s;
}
.social-row a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.footer-col h4{color:#fff;font-size:13.5px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:#B9C6E8;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 24px;text-align:center;font-size:12.5px}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:1020px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr;row-gap:40px}
  .timeline::before{display:none}
  .preview{grid-template-columns:1fr}
  .preview-stage{order:-1}
  .pricing-grid{grid-template-columns:1fr;max-width:420px}
  .price-featured{transform:none}
  .price-featured:hover{transform:translateY(-6px)}
  .footer-inner{grid-template-columns:1fr 1fr}
}

@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .mobile-menu{display:flex}
  .hero-inner{grid-template-columns:1fr;min-height:0;padding-top:10px}
  .hero-copy{text-align:center}
  .hero-copy .lead{margin-left:auto;margin-right:auto}
  .hero-ctas{justify-content:center}
  .hero-trust{justify-content:center}
  .hero-art{order:-1;margin-bottom:10px}
  .art-stage{width:400px;height:400px;transform:scale(.85)}
  .stats-grid{grid-template-columns:1fr 1fr;row-gap:34px}
}

@media (max-width:640px){
  .feature-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:30px}
  .art-stage{width:320px;height:320px;transform:scale(.8)}
  .quiz-mock{width:230px;padding:18px}
  .game-answers{grid-template-columns:1fr 1fr}
  .final-cta-inner{padding:50px 24px}
}