/* ─── LANDING ──────────────────────────────────── */

/* Hero */
.hero{position:relative;min-height:calc(100vh - 54px);display:flex;align-items:center;justify-content:center;
  overflow:hidden;padding:60px 24px}
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-bg::before{content:'';position:absolute;width:800px;height:800px;border-radius:50%;
  background:radial-gradient(circle,var(--yglow) 0%,transparent 70%);top:50%;left:50%;
  transform:translate(-50%,-50%);animation:heroPulse 6s ease-in-out infinite;opacity:.18}
@keyframes heroPulse{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.15)}}

.hero-inner{position:relative;z-index:1;display:flex;align-items:center;gap:80px;max-width:1100px;width:100%}
.hero-text{flex:1;min-width:0}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--ydim);border:1px solid rgba(252,219,68,.15);
  border-radius:20px;padding:5px 14px 5px 8px;font-size:9px;letter-spacing:1.2px;color:var(--y);
  text-transform:uppercase;margin-bottom:20px}
.hero-badge .bdot{width:6px;height:6px}
.hero-h1{font-family:'Unbounded',sans-serif;font-size:clamp(32px,5vw,56px);font-weight:900;
  line-height:1.1;letter-spacing:-1.5px;margin-bottom:16px}
.hero-h1 em{font-style:normal;color:var(--y);position:relative}
.hero-h1 em::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:3px;
  background:var(--y);border-radius:2px;opacity:.3}
.hero-sub{font-size:clamp(13px,1.5vw,16px);color:var(--t2);line-height:1.7;max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-btns .btn-y{padding:12px 28px;font-size:13px;border-radius:12px}
.hero-btns .btn-ghost{padding:12px 28px;font-size:13px;border-radius:12px}

/* Hero visual — animated rhythm circle */
.hero-visual{flex-shrink:0;width:340px;height:340px;position:relative}
.hero-circle{position:absolute;inset:0}
.hero-svg{width:100%;height:100%}

/* Concept section */
.landing-section{padding:80px 24px;max-width:1100px;margin:0 auto}
.lsection-label{font-size:9px;letter-spacing:2px;text-transform:uppercase;color:var(--y);
  margin-bottom:10px;font-weight:700}
.lsection-title{font-family:'Unbounded',sans-serif;font-size:clamp(22px,3vw,34px);font-weight:700;
  margin-bottom:12px;letter-spacing:-.5px}
.lsection-desc{font-size:14px;color:var(--t2);line-height:1.8;max-width:660px;margin-bottom:40px}

/* Concept grid */
.concept-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.concept-card{background:var(--d2);border:1px solid var(--border);border-radius:16px;padding:28px 24px;
  transition:all .2s;position:relative;overflow:hidden}
.concept-card:hover{border-color:rgba(252,219,68,.2);transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(0,0,0,.2)}
.concept-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--y),transparent);opacity:0;transition:opacity .2s}
.concept-card:hover::before{opacity:1}
.cc-icon{font-size:28px;margin-bottom:14px;display:block}
.cc-title{font-family:'Unbounded',sans-serif;font-size:14px;font-weight:700;margin-bottom:8px}
.cc-desc{font-size:12px;color:var(--t2);line-height:1.7}

/* Rhythm showcase */
.rhythm-showcase{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.rhythm-card{background:var(--d2);border:1px solid var(--border);
  border-radius:14px;padding:20px;text-align:center;transition:all .2s;cursor:pointer}
.rhythm-card:hover{border-color:var(--y);transform:translateY(-3px)}
.rhythm-card .rc-svg{width:100px;height:100px;margin:0 auto 12px}
.rhythm-card .rc-name{font-family:'Unbounded',sans-serif;font-size:12px;font-weight:700;margin-bottom:4px}
.rhythm-card .rc-meta{font-size:10px;color:var(--t3)}
.rhythm-card .rc-tag{display:inline-block;background:var(--ydim);color:var(--y);font-size:9px;
  padding:2px 8px;border-radius:8px;margin-top:8px;letter-spacing:.5px;text-transform:uppercase}

/* Features grid */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.feat-card{background:var(--d2);border:1px solid var(--border);border-radius:14px;padding:24px 20px;
  display:flex;gap:16px;align-items:flex-start;transition:all .2s;position:relative;overflow:hidden}
.feat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--y),transparent);opacity:0;transition:opacity .2s}
.feat-card:hover{border-color:rgba(252,219,68,.2);transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(0,0,0,.2)}
.feat-card:hover::before{opacity:1}
.feat-icon{font-size:22px;flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;
  justify-content:center;background:var(--ydim);border-radius:12px}
.feat-title{font-family:'Unbounded',sans-serif;font-size:12px;font-weight:700;margin-bottom:4px}
.feat-desc{font-size:11px;color:var(--t2);line-height:1.6}

/* CTA section */
.cta-section{padding:80px 24px;text-align:center}
.cta-box{max-width:640px;margin:0 auto;background:var(--d2);border:1px solid var(--border);
  border-radius:24px;padding:48px 40px;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(circle at 50% 80%,var(--yglow),transparent 60%);opacity:.08;pointer-events:none}
.cta-title{font-family:'Unbounded',sans-serif;font-size:clamp(20px,3vw,28px);font-weight:900;margin-bottom:10px}
.cta-sub{font-size:13px;color:var(--t2);margin-bottom:28px;line-height:1.7}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-btns .btn-y{padding:14px 36px;font-size:14px;border-radius:14px}

/* Support CTA */
.sup-cta{padding:0 24px 60px;text-align:center}
.sup-cta-btn{display:inline-flex;align-items:center;gap:16px;background:var(--d2);border:1px solid var(--border);
  border-radius:16px;padding:16px 28px;text-decoration:none;color:var(--text);transition:all .25s;
  position:relative;overflow:hidden}
.sup-cta-btn::before{content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 20% 50%,rgba(252,68,68,.06),transparent 70%);pointer-events:none;transition:opacity .25s;opacity:0}
.sup-cta-btn:hover::before{opacity:1}
.sup-cta-btn:hover{border-color:rgba(252,68,68,.4);transform:translateY(-2px);box-shadow:0 8px 32px rgba(252,68,68,.1)}
.sup-cta-heart{font-size:24px;color:#fc4444;animation:supPulse 1.2s ease-in-out infinite;line-height:1}
@keyframes supPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}
.sup-cta-text{display:flex;flex-direction:column;align-items:flex-start;gap:2px}
.sup-cta-text strong{font-family:'Unbounded',sans-serif;font-size:13px;font-weight:700;letter-spacing:-.3px}
.sup-cta-text small{font-size:11px;color:var(--t2)}
.sup-cta-arrow{font-size:18px;color:var(--t3);transition:all .2s}
.sup-cta-btn:hover .sup-cta-arrow{color:#fc4444;transform:translateX(4px)}

/* Footer */
.landing-footer{border-top:1px solid var(--border);padding:24px;text-align:center;
  font-size:10px;color:var(--t3);letter-spacing:.5px}
.landing-footer a{color:var(--t2);text-decoration:none}
.landing-footer a:hover{color:var(--y)}

/* Responsive */
@media(max-width:768px){
  .hero-inner{flex-direction:column;text-align:center;gap:40px}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-btns{justify-content:center}
  .hero-visual{width:260px;height:260px}
  .landing-section{padding:60px 20px}
  .rhythm-showcase{grid-template-columns:repeat(2,1fr)}
}