/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0D1117;--bg2:#161B22;--bg3:#21262D;
  --text:#E6EDF3;--text2:#8B949E;
  --accent:#00D4AA;--accent2:#58A6FF;
  --gradient:linear-gradient(135deg,#00D4AA,#58A6FF);
  --glass:rgba(255,255,255,.05);--glass-border:rgba(255,255,255,.08);
  --radius:12px;--radius-lg:20px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:8px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:all .25s}
.btn-primary{background:var(--gradient);color:#000}
.btn-primary:hover{opacity:.9;transform:translateY(-1px)}
.btn-outline{border:1px solid var(--glass-border);background:transparent;color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:8px 20px;font-size:.85rem}

/* === Nav === */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;transition:background .3s}
.nav.scrolled{background:rgba(13,17,23,.92);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:1.25rem;font-weight:800;display:flex;align-items:center;gap:6px}
.logo-icon{font-size:1.4rem}
.nav-links{display:flex;align-items:center;gap:32px;font-size:.9rem;color:var(--text2)}
.nav-links a:hover{color:var(--text)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);transition:all .3s}
@media(max-width:768px){
  .nav-links{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg2);flex-direction:column;padding:80px 32px 32px;gap:24px;transition:right .35s;font-size:1rem}
  .nav-links.open{right:0}
  .nav-toggle{display:flex}
}

/* === Hero === */
.hero{padding:140px 0 80px;min-height:100vh;display:flex;align-items:center}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;line-height:1.1;margin-bottom:20px}
.hero-sub{font-size:1.15rem;color:var(--text2);max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.store-badge svg{display:block;border-radius:6px;border:1px solid var(--glass-border)}
.store-badge:hover svg{border-color:var(--accent)}
.email-form{display:flex;gap:8px;max-width:440px}
.email-form input{flex:1;padding:12px 16px;background:var(--bg2);border:1px solid var(--glass-border);border-radius:8px;color:var(--text);font-size:.95rem;outline:none}
.email-form input:focus{border-color:var(--accent)}
.email-note{font-size:.8rem;color:var(--text2);margin-top:8px}

/* Phone Mockup */
.hero-visual{display:flex;justify-content:center}
.phone-frame{width:280px;background:var(--bg2);border-radius:36px;padding:12px;border:2px solid var(--glass-border);position:relative;box-shadow:0 25px 60px rgba(0,0,0,.5)}
.phone-notch{width:100px;height:22px;background:var(--bg);border-radius:0 0 16px 16px;margin:0 auto 8px}
.phone-screen{background:var(--bg);border-radius:24px;padding:16px;min-height:460px}
.mock-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.mock-dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.mock-title{font-weight:700;font-size:.85rem}
.mock-body-map{display:flex;justify-content:center;margin-bottom:16px}
.body-silhouette{position:relative;width:100px;height:160px}
.body-head{width:28px;height:28px;border-radius:50%;border:2px solid var(--text2);margin:0 auto 4px}
.body-torso{width:40px;height:50px;border:2px solid var(--text2);border-radius:6px;margin:0 auto}
.body-arm{position:absolute;width:12px;height:50px;border:2px solid var(--text2);border-radius:6px;top:34px}
.body-arm-l{left:10px;transform:rotate(10deg)}
.body-arm-r{right:10px;transform:rotate(-10deg)}
.body-leg{position:absolute;width:14px;height:55px;border:2px solid var(--text2);border-radius:6px;bottom:0}
.body-leg-l{left:26px;transform:rotate(3deg)}
.body-leg-r{right:26px;transform:rotate(-3deg)}
.injury-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:rgba(255,70,70,.8);animation:pulse-dot 2s infinite}
.dot-2{animation-delay:.5s}.dot-3{animation-delay:1s}
@keyframes pulse-dot{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.4);opacity:.4}}
.mock-card{background:var(--bg2);border-radius:10px;padding:10px 12px;margin-bottom:8px;font-size:.75rem}
.mock-card-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.pain-badge{background:rgba(255,70,70,.15);color:#ff6b6b;padding:2px 8px;border-radius:20px;font-size:.65rem;font-weight:600}
.pain-badge.low{background:rgba(0,212,170,.15);color:var(--accent)}
.mock-progress{width:100%;height:4px;background:var(--bg3);border-radius:2px}
.mock-progress-fill{height:100%;background:var(--gradient);border-radius:2px}
.mock-card small{color:var(--text2)}

@media(max-width:768px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin:0 auto 32px}
  .hero-cta{justify-content:center}
  .email-form{max-width:100%;flex-direction:column}
  .email-note{text-align:center}
}

/* === Social Proof === */
.social-proof{padding:40px 0;border-top:1px solid var(--glass-border);border-bottom:1px solid var(--glass-border)}
.proof-text{text-align:center;color:var(--text2);margin-bottom:20px;font-size:.95rem}
.proof-logos{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.proof-logo{color:var(--text2);font-size:.9rem;font-weight:600;opacity:.6;transition:opacity .3s}
.proof-logo:hover{opacity:1}

/* === Features === */
.features{padding:100px 0}
.section-title{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;text-align:center;margin-bottom:12px}
.section-sub{text-align:center;color:var(--text2);margin-bottom:56px;font-size:1.05rem}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:32px;transition:all .3s;backdrop-filter:blur(10px)}
.feature-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,212,170,.08)}
.feature-icon{font-size:2.2rem;margin-bottom:16px}
.feature-card h3{font-size:1.15rem;margin-bottom:8px;font-weight:700}
.feature-card p{color:var(--text2);font-size:.9rem}
@media(max-width:768px){.features-grid{grid-template-columns:1fr}}
@media(min-width:769px) and (max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}

/* === How It Works === */
.how-it-works{padding:100px 0;background:var(--bg2)}
.steps{display:flex;align-items:flex-start;justify-content:center;gap:0;flex-wrap:wrap}
.step{text-align:center;max-width:260px;padding:24px}
.step-number{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--gradient);color:#000;font-weight:800;font-size:.9rem;margin-bottom:16px}
.step-icon{font-size:2.4rem;margin-bottom:12px}
.step h3{font-size:1.3rem;margin-bottom:8px;font-weight:700}
.step p{color:var(--text2);font-size:.9rem}
.step-connector{width:60px;height:2px;background:var(--gradient);margin-top:42px;flex-shrink:0}
@media(max-width:768px){.step-connector{display:none}.steps{flex-direction:column;align-items:center}}

/* === Pricing === */
.pricing{padding:100px 0}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.pricing-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:36px 28px;text-align:center;position:relative;transition:all .3s}
.pricing-card:hover{border-color:var(--accent);transform:translateY(-4px)}
.pricing-card.popular{border-color:var(--accent);background:rgba(0,212,170,.04)}
.popular-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#000;padding:4px 16px;border-radius:20px;font-size:.75rem;font-weight:700}
.pricing-card h3{font-size:1.3rem;margin-bottom:8px}
.price{font-size:2.8rem;font-weight:800;margin-bottom:24px}
.price span{font-size:1rem;color:var(--text2);font-weight:400}
.pricing-card ul{margin-bottom:28px}
.pricing-card li{padding:8px 0;font-size:.9rem;color:var(--text2)}
@media(max-width:768px){.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}}

/* === Testimonials === */
.testimonials{padding:100px 0;background:var(--bg2)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:28px;transition:all .3s}
.testimonial-card:hover{border-color:var(--accent)}
.stars{margin-bottom:16px;font-size:.9rem}
.testimonial-card p{font-size:.92rem;color:var(--text2);margin-bottom:20px;line-height:1.7;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.author-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;color:#000;font-size:.8rem;flex-shrink:0}
.testimonial-author strong{display:block;font-size:.9rem}
.testimonial-author span{color:var(--text2);font-size:.8rem}
@media(max-width:768px){.testimonials-grid{grid-template-columns:1fr}}

/* === CTA === */
.cta-section{padding:100px 0}
.cta-inner{text-align:center;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:800;margin-bottom:16px}
.cta-inner p{color:var(--text2);margin-bottom:32px;font-size:1.05rem}
.cta-inner .hero-cta{justify-content:center;margin-bottom:24px}
.cta-inner .email-form{margin:0 auto;max-width:440px}
@media(max-width:768px){.cta-inner .email-form{flex-direction:column}}

/* === Footer === */
.footer{padding:60px 0 24px;border-top:1px solid var(--glass-border)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text2);margin-top:8px;font-size:.9rem}
.social-links{display:flex;gap:16px;margin-top:16px}
.social-links a{width:36px;height:36px;border-radius:50%;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-size:.85rem;transition:background .3s}
.social-links a:hover{background:var(--accent);color:#000}
.footer-col h4{font-weight:700;margin-bottom:16px;font-size:.9rem}
.footer-col a{display:block;color:var(--text2);font-size:.85rem;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--glass-border);padding-top:20px;text-align:center;color:var(--text2);font-size:.8rem}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* === Animations === */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}