/* Tabs Section CSS */
.tabs-section{display:flex;align-items:center;justify-content:space-between;max-width:1120px;margin:auto;padding:80px 0;gap:40px;color:var(--text);}
.tabs-content{flex:1;}
.tabs-title{font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.2;margin-bottom:16px;}
.tabs-title span{background:linear-gradient(90deg,var(--grad-start),var(--grad-end));-webkit-background-clip:text;background-clip:text;color:transparent;}
.tabs-desc{color:var(--muted);line-height:1.6;margin-bottom:24px;}
.tabs-nav{display:flex;gap:8px;margin-bottom:24px;}
.tab-btn{background:rgba(255,255,255,.05);border:2px solid transparent;color:var(--text);padding:8px 18px;border-radius:12px;cursor:pointer;font-weight:600;transition:all .2s ease;box-shadow:0 2px 8px rgba(0,0,0,.1);}
.tab-btn.active{background:var(--grad-start);background:linear-gradient(90deg,var(--grad-start),var(--grad-end));border-color:rgba(255,255,255,.2);box-shadow:0 4px 15px rgba(76,101,254,.3);text-shadow:0 1px 2px rgba(0,0,0,.3);}
.tab-btn:hover{opacity:.85;border-color:rgba(255,255,255,.1);box-shadow:0 4px 12px rgba(0,0,0,.15);}
.tabs-panels{flex:1;display:flex;gap:20px;align-items:center;}
.tab-panel{flex:1;background:linear-gradient(145deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border-radius:20px;padding:24px;display:none;}
.tab-panel.active{display:block;}
.panel-card{background:rgba(36,26,70,1);border-radius:20px;padding:24px;box-shadow:0 10px 30px rgba(0,0,0,.25);}
.panel-card .icon{font-size:24px;margin-bottom:12px;}
.panel-card p{line-height:1.6;color:var(--text);}
.panel-actions{margin-top:16px;display:flex;gap:10px;}
.panel-actions button{width:36px;height:36px;border-radius:50%;border:2px solid rgba(255,255,255,.1);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px rgba(0,0,0,.2);}
/* Tabs Section CSS */

/* Two Column Section CSS */
.two-col-section{
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:center;
    max-width:1200px;
    margin:auto;
    padding:80px 20px;
    gap:40px;
  }
  .two-col-text h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.3;margin-bottom:16px;color:#fff;}
  .two-col-text p{margin-bottom:24px;line-height:1.7;color:var(--muted);}
  .btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:8px;border:2px solid rgba(255,255,255,.1);cursor:pointer;font-weight:600;text-decoration:none;color:#fff;background:linear-gradient(90deg,var(--grad-start),var(--grad-end));box-shadow:0 10px 24px rgba(76,101,254,.35);text-shadow:0 1px 2px rgba(0,0,0,.3);transition:all .2s ease;}
  .two-col-image{text-align:center;}
  .two-col-image img{max-width:100%;height:auto;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.3);}
  @media(max-width:768px){.two-col-section{grid-template-columns:1fr;}}
  /* Two Column Section CSS */

/* AI Agent Section CSS - Clean without individual backgrounds */
.ai-agent-section {
  position: relative;
  padding: 80px 0;
  /* Thêm hiệu ứng blur nhẹ cho section */
  backdrop-filter: blur(2px);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 16px;
  margin: 20px 0;
}

.ai-agent__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

/* Reverse layout for even sections */
.ai-agent-section--reverse .ai-agent__grid {
  direction: rtl;
}

.ai-agent-section--reverse .ai-agent__content {
  direction: ltr;
}

.ai-agent-section--reverse .ai-agent__visual {
  direction: ltr;
}

.ai-agent__content {
  padding: 20px;
}

.ai-agent__title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text);
}

.ai-agent__description {
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 32px;
}

.ai-agent__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1a1a2e, #16213e);
  border-radius: 28px;
  padding: 20px;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 0 2px rgba(255, 255, 255, 0.1);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.chat-interface {
  height: 100%;
  background: #0f0f23;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat-header {
  background: linear-gradient(90deg, #667eea, #764ba2);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  font-size: 24px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-info {
  flex: 1;
}

.chat-name {
  color: white;
  font-weight: 600;
  font-size: 14px;
}

.chat-status {
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
}

.chat-messages {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.message {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 13px;
  line-height: 1.4;
}

.message--ai {
  background: #2a2a3e;
  color: white;
  align-self: flex-start;
  border-bottom-left-radius: 6px;
}

.message--user {
  background: linear-gradient(90deg, #667eea, #764ba2);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 6px;
}

.message__text {
  display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
  .ai-agent__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .ai-agent-section--reverse .ai-agent__grid {
    direction: ltr;
  }
  
  .ai-agent__content {
    order: 1;
    text-align: center;
  }
  
  .ai-agent__visual {
    order: 2;
  }
  
  .phone-mockup {
    width: 240px;
    height: 480px;
  }
}

@media (max-width: 480px) {
  .ai-agent-section {
    padding: 60px 0;
  }
  
  .ai-agent__title {
    font-size: 24px;
  }
  
  .ai-agent__description {
    font-size: 16px;
  }
  
  .phone-mockup {
    width: 200px;
    height: 400px;
  }
}

/* Feature Glow CSS */
      .feature-glow {
        position: relative;
        transition: box-shadow 0.25s;
        z-index: 1;
        border-radius: 12px;
        overflow: hidden;
      }
      .feature-glow::before {
        content: "";
        position: absolute;
        left: 0; top: 0; right: 0;
        height: 0;
        pointer-events: none;
        transition: box-shadow 0.25s, height 0.25s, background 0.25s;
        z-index: 2;
        border-radius: 12px 12px 0 0;
      }
      .feature-glow:hover::before {
        height: 3px;
        box-shadow: 0 -1px 6px 0 rgba(139,92,246,0.35), 0 -1px 4px 0 #a855f7;
        background: linear-gradient(90deg, #a855f7 0%, #7c3aed 100%);
        border-radius: 12px 12px 0 0;
      }
    /* Feature Glow CSS */