/* ===== Reset & Base ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Montserrat','Inter',sans-serif;background:#000;color:#fff;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}

/* ===== Particles ===== */
.particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}
.particle{position:absolute;background:rgba(0,212,255,0.4);border-radius:50%;animation:particleFloat linear infinite;will-change:transform}
@keyframes particleFloat{0%{transform:translateY(0) translateX(0) scale(1);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(-120vh) translateX(30px) scale(0.5);opacity:0}}

/* ===== Scroll Reveal ===== */
.reveal-on-scroll{opacity:0;transform:translateY(40px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.reveal-on-scroll.revealed{opacity:1;transform:translateY(0)}

/* ===== HERO ===== */
.hero{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;background:#000;padding:80px 40px 60px;min-height:100vh}
.hero::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(circle at 30% 60%,rgba(0,212,255,.06) 0%,transparent 50%),radial-gradient(circle at 70% 30%,rgba(0,212,255,.04) 0%,transparent 50%);pointer-events:none;z-index:0}
.hero::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);background-size:80px 80px;pointer-events:none;z-index:0;opacity:.5}
.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(150px);pointer-events:none;z-index:0;will-change:transform}
.hero-glow--left{background:rgba(0,212,255,.1);top:-200px;left:-200px}
.hero-glow--right{background:rgba(0,180,220,.06);bottom:-200px;right:-150px}

.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;max-width:900px;width:100%;margin:0 auto;text-align:center}

.hero-content{display:flex;flex-direction:column;align-items:center;max-width:800px}

.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.3);border-radius:30px;padding:8px 22px;font-size:.72rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:#00d4ff;margin-bottom:28px;animation:badgePulse 2.5s ease-in-out infinite}
.hero-badge-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:#00d4ff;color:#000;border-radius:50%;font-size:.55rem;font-weight:900}
@keyframes badgePulse{0%,100%{box-shadow:0 0 0 0 rgba(0,212,255,.2)}50%{box-shadow:0 0 25px 5px rgba(0,212,255,.12)}}

.hero-headline{font-size:2.6rem;font-weight:800;line-height:1.3;margin-bottom:24px;color:#fff;letter-spacing:-.5px}
.highlight-accent{color:#00d4ff;text-shadow:0 0 20px rgba(0,212,255,.3)}

.hero-subtext{font-family:'Inter',sans-serif;font-size:1.05rem;font-weight:400;line-height:1.75;color:rgba(255,255,255,.6);margin-bottom:14px;max-width:600px}

/* ===== Video ===== */
.hero-video-block{position:relative;z-index:2;width:100%;max-width:320px;margin:0 auto;padding-top:30px;text-align:center}
.video-section-title{font-family:'Montserrat',sans-serif;font-size:1rem;font-weight:700;color:rgba(255,255,255,.5);letter-spacing:3px;text-transform:uppercase;margin-bottom:24px;display:flex;align-items:center;justify-content:center;gap:12px}
.video-title-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:#00d4ff;color:#000;border-radius:50%;font-size:.75rem;font-weight:900;box-shadow:0 0 20px rgba(0,212,255,.4);animation:iconPulse 2.5s ease-in-out infinite;flex-shrink:0}
@keyframes iconPulse{0%,100%{box-shadow:0 0 20px rgba(0,212,255,.4)}50%{box-shadow:0 0 40px rgba(0,212,255,.7)}}
.video-wrapper{position:relative;width:100%;padding-bottom:177.78%;border-radius:16px;overflow:hidden;box-shadow:0 8px 50px rgba(0,0,0,.6),0 0 80px rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.15)}
.video-wrapper video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;background:#000}
.video-wrapper video::-webkit-media-controls{display:none!important}
.video-play-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;transition:opacity .3s}
.video-play-overlay.hidden{opacity:0;pointer-events:none}
.play-btn-circle{width:72px;height:72px;border-radius:50%;background:#00d4ff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 30px rgba(0,212,255,.5);transition:transform .2s,box-shadow .2s}
.play-btn-circle:hover{transform:scale(1.1);box-shadow:0 0 50px rgba(0,212,255,.7)}
.play-btn-circle svg{margin-left:4px}
.video-progress{position:absolute;bottom:0;left:0;width:100%;height:4px;background:rgba(255,255,255,.1);z-index:6;overflow:hidden}
.video-progress-bar{height:100%;width:0%;background:#00d4ff;box-shadow:0 0 8px rgba(0,212,255,.6);transition:width .3s linear}

/* ===== CTA Button ===== */
.cta-btn{display:inline-flex;align-items:center;gap:10px;background:#00d4ff;color:#000;font-family:'Montserrat',sans-serif;font-weight:900;font-size:1.05rem;letter-spacing:1.5px;text-transform:uppercase;padding:20px 48px;border-radius:10px;border:none;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 30px rgba(0,212,255,.35);position:relative;overflow:hidden;margin-top:30px}
.cta-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}
.cta-btn:hover::before{left:100%}
.cta-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 8px 45px rgba(0,212,255,.55);background:#33e0ff}
.cta-btn:active{transform:translateY(0) scale(.98)}
.cta-btn.pulse{animation:ctaPulse .6s ease}
@keyframes ctaPulse{0%{box-shadow:0 4px 30px rgba(0,212,255,.35)}50%{box-shadow:0 4px 60px rgba(0,212,255,.7)}100%{box-shadow:0 4px 30px rgba(0,212,255,.35)}}

/* ===== OBS Note ===== */
.obs-note{margin-top:40px;padding:18px 28px;background:rgba(0,212,255,.04);border:1px solid rgba(0,212,255,.15);border-radius:12px;max-width:600px}
.obs-note p{font-family:'Inter',sans-serif;font-size:.88rem;color:rgba(255,255,255,.55);line-height:1.6}
.obs-note strong{color:#00d4ff;font-weight:700}

/* ===== Guarantee ===== */
.guarantee{display:inline-flex;align-items:center;gap:10px;margin-top:28px;font-family:'Inter',sans-serif;font-size:.85rem;color:rgba(255,255,255,.45)}
.guarantee svg{flex-shrink:0}

/* ===== Scroll Indicator ===== */
.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:5}
.scroll-arrow{width:24px;height:24px;border-right:2px solid rgba(0,212,255,.3);border-bottom:2px solid rgba(0,212,255,.3);transform:rotate(45deg);animation:scrollBounce 2s ease-in-out infinite}
@keyframes scrollBounce{0%,100%{transform:rotate(45deg) translateY(0);opacity:.4}50%{transform:rotate(45deg) translateY(8px);opacity:1}}

/* ===== FOOTER ===== */
.footer{background:#000;padding:40px;text-align:center;font-family:'Inter',sans-serif;font-size:.8rem;color:rgba(255,255,255,.25);border-top:1px solid rgba(255,255,255,.04)}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .hero{padding:40px 20px 50px;min-height:auto}
  .hero-inner{max-width:100%;padding:0}
  .hero-content{max-width:100%;padding:0 4px}
  .hero-headline{font-size:1.65rem;line-height:1.35;word-wrap:break-word;overflow-wrap:break-word;hyphens:auto}
  .hero-badge{font-size:.62rem;padding:6px 14px;letter-spacing:1.5px;margin-bottom:20px}
  .hero-subtext{font-size:.9rem;max-width:100%}
  .hero-video-block{max-width:260px;padding-top:20px}
  .video-section-title{font-size:.72rem;letter-spacing:1.5px;gap:8px;flex-wrap:wrap}
  .video-title-icon{width:28px;height:28px;font-size:.6rem}
  .video-wrapper{border-radius:12px}
  .play-btn-circle{width:56px;height:56px}
  .play-btn-circle svg{width:24px;height:24px}
  .cta-btn{font-size:.85rem;padding:16px 30px;width:100%;justify-content:center;max-width:340px}
  .obs-note{padding:12px 16px;max-width:100%;margin-top:30px}
  .obs-note p{font-size:.8rem}
  .guarantee{font-size:.78rem;text-align:center;flex-wrap:wrap;justify-content:center;gap:8px;max-width:320px}
  .hero-glow{display:none}
  .footer{padding:30px 20px}
}
@media(max-width:400px){
  .hero{padding:30px 14px 40px}
  .hero-headline{font-size:1.35rem;line-height:1.35}
  .hero-badge{font-size:.58rem;padding:5px 12px}
  .hero-video-block{max-width:220px}
  .video-section-title{font-size:.65rem;letter-spacing:1px}
  .cta-btn{font-size:.78rem;padding:14px 22px}
  .obs-note p{font-size:.75rem}
  .guarantee{font-size:.72rem}
}