/* ============================================================
   CooBase LP — sections part 3 + responsive
   ============================================================ */

/* ===== STEPS ===== */
#steps{background:var(--bg);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:54px;position:relative;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--shadow-sm);position:relative;}
.step .sn{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.step .sn .num{width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;font-family:"Zen Kaku Gothic New";font-weight:900;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-brand);}
.step .sn .lbl{font-family:"Zen Kaku Gothic New";font-weight:700;font-size:12px;letter-spacing:.16em;color:var(--brand);}
.step h3{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:18px;margin-bottom:10px;color:var(--ink);}
.step p{font-size:14px;color:var(--ink-2);line-height:1.9;}
.step .dur{margin-top:14px;display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--brand-deep);background:var(--grad-soft);padding:6px 13px;border-radius:999px;}
.steps-note{margin-top:36px;text-align:center;font-family:"Zen Kaku Gothic New";font-weight:900;font-size:clamp(19px,2.4vw,26px);color:var(--ink);}
.steps-note b{color:var(--brand);}

/* ===== FAQ ===== */
.faq-list{margin-top:44px;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .25s,border-color .25s;}
.faq-item.open{box-shadow:var(--shadow);border-color:#cdddf6;}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:22px 26px;background:none;border:none;cursor:pointer;text-align:left;}
.faq-q .qk{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:17px;color:var(--brand);flex:none;}
.faq-q .qt{font-family:"Zen Kaku Gothic New";font-weight:700;font-size:16px;color:var(--ink);flex:1;line-height:1.6;}
.faq-q .pm{width:30px;height:30px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;flex:none;transition:background .25s,transform .3s;position:relative;}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:.3s;}
.faq-q .pm::before{width:13px;height:2px;}
.faq-q .pm::after{width:2px;height:13px;}
.faq-item.open .pm{background:var(--grad);}
.faq-item.open .pm::before,.faq-item.open .pm::after{background:#fff;}
.faq-item.open .pm::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.open .faq-a{max-height:320px;}
.faq-a .inner{padding:0 26px 24px 60px;font-size:14.5px;color:var(--ink-2);line-height:1.95;}

/* ===== FINAL CTA ===== */
#final{background:var(--grad);color:#fff;text-align:center;overflow:hidden;}
#final::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:rgba(255,255,255,.08);top:-220px;right:-160px;}
#final::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.07);bottom:-200px;left:-120px;}
#final .inner{position:relative;z-index:1;}
#final h2{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:clamp(26px,3.6vw,42px);line-height:1.5;text-wrap:balance;}
#final p{margin-top:20px;font-size:16.5px;line-height:2;color:rgba(255,255,255,.9);max-width:620px;margin-left:auto;margin-right:auto;}
#final .ctas{margin-top:38px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
#final .micro{margin-top:22px;font-size:12.5px;color:rgba(255,255,255,.78);}

/* ===== FOOTER ===== */
footer{background:var(--ink);color:#aeb9cc;padding:64px 0 30px;}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.ft-brand img{height:30px;filter:brightness(0) invert(1);opacity:.95;}
.ft-brand p{margin-top:18px;font-size:13px;line-height:1.9;color:#8190a8;max-width:300px;}
.ft-col h4{font-family:"Zen Kaku Gothic New";font-weight:700;font-size:13px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.ft-col a{display:block;font-size:13px;color:#9aa7bd;padding:6px 0;transition:color .2s;}
.ft-col a:hover{color:#fff;}
.ft-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:12px;color:#7a889e;}

/* ===== MOBILE STICKY CTA ===== */
#mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(20,40,90,.1);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));
  display:none;align-items:center;gap:12px;
  transform:translateY(110%);transition:transform .35s cubic-bezier(.2,.8,.2,1);
}
#mobile-cta.show{transform:none;}
#mobile-cta .mc-txt{flex:1;min-width:0;}
#mobile-cta .mc-txt b{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:13px;color:var(--ink);display:block;line-height:1.3;}
#mobile-cta .mc-txt span{font-size:11px;color:var(--warn);font-weight:700;}
#mobile-cta .btn{padding:13px 20px;font-size:14px;flex:none;}

/* ===== FULL-BLEED VISUAL BAND ===== */
#showcase{
  position:relative;overflow:hidden;background:#0c1730;
  min-height:clamp(420px,50vw,620px);display:flex;align-items:center;
}
.showcase-ph{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 80% 30%, rgba(37,99,217,.34) 0%, rgba(37,99,217,0) 60%),
    repeating-linear-gradient(135deg,#101d3a,#101d3a 16px,#13213f 16px,#13213f 32px);
  display:flex;flex-direction:column;align-items:flex-end;justify-content:flex-end;gap:14px;
  padding:0 38px 36px 0;
}
.showcase-ph svg{width:54px;height:54px;color:rgba(255,255,255,.14);}
.showcase-ph .lbl{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:rgba(255,255,255,.3);letter-spacing:.05em;text-align:right;max-width:300px;line-height:1.7;}
#showcase::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(7,13,28,.94) 0%,rgba(7,13,28,.78) 38%,rgba(7,13,28,.28) 72%,rgba(7,13,28,.08) 100%);}
#showcase .inner{position:relative;z-index:2;}
#showcase .eyebrow{color:#7fc8ff;}
#showcase .eyebrow::before{background:#7fc8ff;}
#showcase h2{font-family:"Zen Kaku Gothic New";font-weight:900;font-size:clamp(30px,5vw,60px);line-height:1.4;color:#fff;text-wrap:balance;letter-spacing:-.01em;}
#showcase h2 .grad-text{background:linear-gradient(100deg,#7fc8ff,#bfe6ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
#showcase p{margin-top:22px;font-size:clamp(15px,1.4vw,18px);color:rgba(255,255,255,.82);max-width:540px;line-height:2;}
#showcase .scredit{margin-top:26px;display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:10px 18px;border-radius:999px;backdrop-filter:blur(6px);}
#showcase .scredit b{font-family:"Zen Kaku Gothic New";font-size:18px;color:#7fc8ff;}

/* ===== RESPONSIVE ===== */
@media(max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  #hero h1 .head-top{white-space:normal;text-shadow:none;}
  .hero-visual{transform:none;}
  .hero-copy{min-width:auto;}
  .hero-visual .win{transform:none;}
  .hero .lede{max-width:none;}
  #hero-stats{margin-top:48px;}
  .concept-stage{grid-template-columns:1fr;gap:18px;}
  .fan{height:54px;}
  .fan svg{display:none;}
  .fan .fan-label{position:static;transform:none;margin:0 auto;}
  .fan::after{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(var(--brand),var(--cyan));transform:translateX(-50%);z-index:0;}
  #value .pillar{grid-template-columns:1fr;gap:36px;}
  #value .pillar.flip .pcopy{order:0;}
  #value .pillar .pvis{order:-1;}
  .case-card{grid-template-columns:1fr;gap:28px;}
  .case-photo{aspect-ratio:16/10;max-width:340px;}
}
@media(max-width:860px){
  .nav,.hd-cta .btn-ghost{display:none;}
  .burger{display:block;}
  .prob-grid,.spokes,.trust-grid,.steps,.plans{grid-template-columns:1fr;}
  .plan.feat{transform:none;}
  .plan.feat:hover{transform:translateY(-6px);}
  .loss{grid-template-columns:1fr;gap:16px;padding:30px 26px;}
  #showcase{min-height:auto;padding:80px 0;}
  #showcase::after{background:linear-gradient(180deg,rgba(7,13,28,.82),rgba(7,13,28,.92));}
  .loss .vs{margin:0 auto;width:42px;height:42px;}
  #hero-stats{grid-template-columns:1fr 1fr;gap:24px 16px;padding:26px 20px;}
  .hstat:nth-child(3)::before,.hstat:nth-child(1)::before{display:none;}
  .hstat:nth-child(3){padding-top:22px;border-top:1px solid var(--line);}
  .hstat:nth-child(4){padding-top:22px;border-top:1px solid var(--line);}
  .ent-inner{grid-template-columns:1fr;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:30px;}
  #mobile-cta{display:flex;}
  .float-card{display:none;}
  .sec-pad{padding:74px 0;}
  .case-stats{gap:22px;}
}
@media(max-width:520px){
  :root{--gut:20px;}
  .hd-logo .tag{display:none;}
  #hero-stats{grid-template-columns:1fr 1fr;}
  .ft-grid{grid-template-columns:1fr;}
  .ft-bottom{flex-direction:column;align-items:flex-start;}
  .case-stats{flex-direction:column;gap:16px;}
  .radar-wrap{flex-direction:column;}
  .radar{width:130px;height:130px;}
}