/* ========== Hero Section ========== */
.hero-section{position:relative;background:linear-gradient(135deg,#0d0d0d 0%,#1a1a2e 50%,#0d2137 100%);padding:160px 0 100px;overflow:hidden}
.hero-section::before{content:"";position:absolute;top:-30%;right:-10%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(232,69,45,.15) 0%,transparent 70%)}
.hero-section::after{content:"";position:absolute;bottom:-20%;left:-5%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(0,71,93,.2) 0%,transparent 70%)}
.hero-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:60px;position:relative;z-index:1}
.hero-text{flex:1}
.hero-text h1{font-size:46px;color:var(--white);line-height:1.3;margin-bottom:24px;font-weight:800}
.hero-text h1 span{color:var(--accent);position:relative}
.hero-text h1 span::after{content:"";position:absolute;bottom:4px;left:0;right:0;height:3px;background:var(--accent);border-radius:2px;opacity:.3}
.hero-sub{font-size:16px;color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:32px;max-width:540px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.hero-btns .btn-primary{padding:16px 36px;font-size:16px}
.hero-btns .btn-secondary{border-color:rgba(255,255,255,.5);color:var(--white);padding:16px 36px;font-size:16px}
.hero-btns .btn-secondary:hover{background:var(--white);color:var(--heading);border-color:var(--white)}
.hero-visual{flex:1;display:flex;justify-content:center}
.hero-mockup{width:340px;background:rgba(255,255,255,.05);border-radius:20px;padding:20px;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.hero-chat{display:flex;flex-direction:column;gap:14px}
.hero-chat-msg{display:flex;gap:10px;align-items:flex-start}
.hero-chat-msg.user{flex-direction:row-reverse}
.msg-avatar{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);font-size:12px;flex-shrink:0}
.msg-bubble{padding:10px 14px;border-radius:14px;font-size:12px;line-height:1.6;max-width:240px}
.hero-chat-msg.ai .msg-bubble{background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);border-bottom-left-radius:4px}
.hero-chat-msg.user .msg-bubble{background:var(--accent);color:var(--white);border-bottom-right-radius:4px}
.typing-cursor{display:inline-block;width:2px;height:14px;background:rgba(255,255,255,.6);animation:blink 1s infinite;vertical-align:text-bottom;margin-left:2px}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

/* ========== Flow Steps ========== */
.flow-steps{display:flex;gap:30px;margin-bottom:30px}
.flow-step{flex:1;text-align:center;padding:30px 20px;background:var(--white);border-radius:12px;border:1px solid var(--border);position:relative;transition:all .3s}
.flow-step:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.step-number{width:48px;height:48px;margin:0 auto 16px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}
.flow-step h3{font-size:17px;color:var(--heading);margin-bottom:8px}
.flow-step p{font-size:13px;color:var(--text-muted);line-height:1.7}
.flow-cta{text-align:center;margin-top:10px}

/* ========== Features Grid ========== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{text-align:center;padding:30px 20px;background:var(--white);border-radius:12px;border:1px solid var(--border);transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.08);border-color:var(--primary)}
.feature-icon{font-size:36px;margin-bottom:14px}
.feature-card h3{font-size:16px;color:var(--heading);margin-bottom:8px}
.feature-card p{font-size:13px;color:var(--text-muted);line-height:1.7}

/* ========== App Showcase ========== */
.app-showcase{display:flex;align-items:center;gap:60px}
.app-showcase-img{flex:1;text-align:center}
.app-showcase-img img{max-height:480px;margin:0 auto;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.app-showcase-text{flex:1}
.app-showcase-text h3{font-size:28px;color:var(--heading);margin-bottom:16px}
.app-showcase-text p{font-size:15px;color:var(--text-muted);line-height:1.9;margin-bottom:20px}
.app-features-list{display:flex;flex-direction:column;gap:12px}
.app-features-list .af-item{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text)}
.af-item i{color:var(--primary);font-size:18px}

/* ========== Stats Section ========== */
.stats-section{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);padding:60px 0}
.stats-grid{display:flex;justify-content:center;gap:60px;margin-bottom:30px}
.stat-item{text-align:center}
.stat-num{font-size:42px;color:var(--white);font-weight:800;line-height:1.2}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);margin-top:4px}
.trust-badges{display:flex;justify-content:center;gap:30px;flex-wrap:wrap}
.badge{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.85);font-size:14px}
.badge i{color:var(--accent)}

/* ========== Reviews Grid ========== */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:24px;transition:all .3s}
.review-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.08)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--white);font-size:16px;flex-shrink:0}
.review-avatar.av1{background:linear-gradient(135deg,#00475d,#006680)}
.review-avatar.av2{background:linear-gradient(135deg,#e8452d,#f04e2e)}
.review-avatar.av3{background:linear-gradient(135deg,#4caf50,#66bb6a)}
.review-user h4{font-size:15px;color:var(--heading)}
.review-time{font-size:11px;color:var(--text-muted)}
.star-rating{color:#f59e0b;font-size:13px;margin-bottom:10px}
.review-body{font-size:13px;color:var(--text-light);line-height:1.8;margin-bottom:10px}
.review-char{font-size:12px;color:var(--primary);font-weight:500}

/* ========== Scene Showcase ========== */
.scene-showcase{display:flex;align-items:center;gap:50px}
.scene-preview{flex:1;background:#1a1a2e;border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:12px}
.scene-msg{display:flex;gap:10px;align-items:flex-start}
.scene-msg.system .s-bubble{background:rgba(232,69,45,.2);color:var(--accent);font-size:12px;padding:8px 14px;border-radius:6px;text-align:center;width:100%}
.s-avatar{width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);font-size:11px;flex-shrink:0}
.s-bubble{padding:10px 14px;border-radius:12px;font-size:13px;line-height:1.6;background:rgba(255,255,255,.08);color:rgba(255,255,255,.8)}
.scene-info{flex:1}
.scene-info h3{font-size:24px;color:var(--heading);margin-bottom:14px}
.scene-info p{font-size:14px;color:var(--text-muted);line-height:1.9;margin-bottom:20px}
.scene-features{display:flex;flex-direction:column;gap:12px}
.sf-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}
.sf-item i{color:var(--primary)}

/* ========== Code Block ========== */
.code-block{background:#1a1a2e;border-radius:8px;padding:16px 20px;font-family:"Consolas","Monaco","Courier New",monospace;font-size:12px;line-height:1.8;color:#a0a0b0;margin-top:16px;text-align:left}
.code-block .cyan{color:#00bcd4}
.code-block .pink{color:#f04e2e}

/* ========== Exp Section ========== */
.exp-section{background:var(--bg-light)}
.exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.exp-card{padding:30px 24px;background:var(--white);border-radius:12px;border:1px solid var(--border);transition:all .3s}
.exp-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.exp-icon{font-size:32px;margin-bottom:14px}
.exp-card h3{font-size:17px;color:var(--heading);margin-bottom:8px}
.exp-card p{font-size:13px;color:var(--text-muted);line-height:1.7}

/* ========== Download Hero ========== */
.download-hero{text-align:center;padding:40px 0}
.dl-icon{font-size:56px;color:var(--primary);margin-bottom:16px}
.download-hero h1{font-size:32px;color:var(--heading);margin-bottom:8px}
.download-platforms{display:flex;gap:30px;margin:40px 0;justify-content:center}
.dl-card{flex:1;max-width:340px;text-align:center;padding:40px 30px;border:2px solid var(--border);border-radius:16px;transition:all .3s}
.dl-card:hover{border-color:var(--primary);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.dl-platform-icon{font-size:48px;margin-bottom:16px}
.dl-card h3{font-size:20px;color:var(--heading);margin-bottom:8px}
.dl-card p{font-size:14px;color:var(--text-muted);margin-bottom:20px}
.dl-steps{display:flex;gap:24px;margin:30px 0}
.dl-step{flex:1;text-align:center;padding:24px 16px;background:var(--bg-light);border-radius:12px}
.step-num{width:40px;height:40px;margin:0 auto 12px;background:var(--primary);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.dl-step h4{font-size:16px;color:var(--heading);margin-bottom:6px}
.dl-step p{font-size:13px;color:var(--text-muted)}

/* ========== About Hero ========== */
.about-hero{text-align:center;padding:40px 0 20px}
.about-hero img{width:80px;margin:0 auto 20px;border-radius:16px}
.about-hero h1{font-size:32px;color:var(--heading);margin-bottom:12px}
.about-stats{display:flex;justify-content:center;gap:50px;margin:40px 0;flex-wrap:wrap}
.about-stat{text-align:center}
.about-stat .stat-icon{font-size:28px;color:var(--primary);margin-bottom:8px}
.about-stat .stat-num{font-size:32px;color:var(--heading);font-weight:700}
.about-stat .stat-label{font-size:13px;color:var(--text-muted);margin-top:2px}

/* ========== News Card Grid (homepage) ========== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border-radius:12px;overflow:hidden;border:1px solid var(--border);transition:all .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.1)}
.news-card .news-link{display:block;color:inherit}
.news-img-wrap{width:100%;height:180px;overflow:hidden;background:var(--bg-light)}
.news-img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .news-img{transform:scale(1.05)}
.news-card .news-content{padding:18px}
.news-card h3{font-size:16px;color:var(--heading);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.news-card .news-content>p{font-size:13px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-date{font-size:12px;color:var(--text-muted)}

/* ========== Responsive ========== */
@media (max-width:900px){
  .hero-section{padding:130px 0 60px}
  .hero-inner{flex-direction:column;text-align:center}
  .hero-text h1{font-size:32px}
  .hero-sub{max-width:100%;margin:0 auto 32px}
  .hero-btns{justify-content:center}
  .hero-visual{display:none}
  .flow-steps{flex-direction:column;gap:20px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .app-showcase{flex-direction:column;gap:30px}
  .app-showcase-text{text-align:center}
  .app-features-list{align-items:center}
  .scene-showcase{flex-direction:column}
  .reviews-grid{grid-template-columns:1fr}
  .exp-grid{grid-template-columns:1fr}
  .stats-grid{gap:30px;flex-wrap:wrap}
  .news-grid{grid-template-columns:1fr}
  .download-platforms{flex-direction:column;align-items:center}
  .dl-steps{flex-direction:column}
  .about-stats{gap:30px}
}
@media (max-width:480px){
  .hero-text h1{font-size:26px}
  .features-grid{grid-template-columns:1fr}
  .stats-grid{gap:20px}
  .stat-num{font-size:28px}
  .section-header h2{font-size:20px}
}