/* ===== HEADER ===== */

.header-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 0;
}

.brand-link{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}

.brand-logo{
  width:44px;
  height:44px;
  border-radius:10px;
  object-fit:cover;
}

.brand-text{
  color:#22d3ee;
  font-weight:700;
  font-size:18px;
  letter-spacing:.4px;
}

.header-back-link{
  color:#dbeafe;
  text-decoration:none;
  font-size:15px;
}

.header-back-link:hover{
  color:#22d3ee;
}
/* ===== GLOBAL ===== */
*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:Arial,sans-serif;
  background: linear-gradient(135deg,#101d52,#172554 60%,#4a0d67);
  color:#e6f7ff;
  line-height:1.7;
}

.container{
  max-width:1100px;
  margin:auto;
  padding:0 24px;
}

/* ===== HERO ===== */
.hero{
  padding:72px 0;
}

.hero h1{
  font-size: 60px;
  font-weight: 700;
  line-height: 1.15;
  margin: 24px 0;
  max-width: 900px;
}

.hero .sub {
  font-size: 22px;
  line-height: 1.7;
  color: #e2e8f0; /* sáng hơn */
  max-width: 850px;
}

.hero .disclosure{
  font-size:14px;
  color:#cbd5e1;
  opacity:.8;
  margin-top:18px;
  max-width:900px;
}

/* ===== SECTION ===== */
.section{
  padding:56px 0;
}

/* ===== TOOLS GRID ===== */
#toolsGrid.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}

/* ===== TOOL CARD ONLY ===== */
#toolsGrid 
.card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:22px;
  padding:28px;
  transition:all .25s ease;
  margin-bottom:32px;
}
.cta-card {
   background:rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius:22px;
  padding:28px;
  transition:all .25s ease;
  margin-bottom:32px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.35);
 }

#toolsGrid .card:hover,
.cta-card:hover{
  transform:translateY(-6px);
  border-color:rgba(34,211,238,.4);
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}

#toolsGrid .card h2,
.cta-card h3{
  margin:0 0 14px;
  font-size:26px;
  line-height:1.3;
}

#toolsGrid .card p,
.cta-card p{
  color:#cbd5e1;
}

/* ===== BUTTON ===== */
.btn{
  display:inline-block;
  margin-top:18px;
  padding:12px 20px;
  border-radius:12px;
  background:#22d3ee;
  color:#0f172a;
  text-decoration:none;
  font-weight:700;
  transition:all .2s ease;
}

.btn:hover{
  opacity:.92;
  transform:translateY(-2px);
}

/* ===== TOOLS CONTROLS ===== */
.tools-controls{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:28px;
}

.tools-search{
  flex:1;
  min-width:260px;
  padding:14px 16px;
  border-radius:12px;
  border:none;
  font-size:16px;
  outline:none;
}

.tools-filter{
  min-width:240px;
  padding:14px 16px;
  border-radius:12px;
  border:none;
  font-size:16px;
  outline:none;
  cursor:pointer;
}

/* ===== LOAD MORE ===== */
.load-more-wrap{
  text-align:center;
  margin:36px 0 56px;
}

.load-more-btn{
  padding:12px 22px;
  border:none;
  border-radius:12px;
  background:#22d3ee;
  color:#0f172a;
  font-weight:700;
  cursor:pointer;
}

.load-more-btn:hover{
  transform:translateY(-2px);
}

/* ===== PREMIUM FOOTER ===== */
.site-footer{
  padding:52px 0 44px;
  border-top:1px solid rgba(255,255,255,.06);
}

.site-footer .container{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.footer-copy{
  margin:0;
  font-size:16px;
  line-height:1.7;
  letter-spacing:.2px;
  color:#e6f7ff;
  opacity:.95;
}

.footer-links{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;
  margin-top:22px;
}

.footer-links a{
  color:#22d3ee;
  text-decoration:none;
  font-size:16px;
  font-weight:500;
  transition:opacity .2s ease;
}

.footer-links a:hover{
  opacity:.85;
}


/* ===== MOBILE ===== */
@media(max-width:768px){
  .hero h1{
    font-size:28px;
    line-height:1.3;
  }

  #toolsGrid.grid{
    grid-template-columns:1fr;
  }

  .tools-filter{
    width:100%;
    min-width:unset;
  }
}
/* ===== LINK CARDS ===== */
.card{
  display:block;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
  border-radius:22px;
  padding:24px;
  text-decoration:none;
  color:#e6f7ff;
  transition:all .25s ease;
}

.card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,211,238,.35);
}

.card h3{
  margin:12px 0;
  font-size:30px;
  color:#e6f7ff;
}

.card p{
  color:#cbd5e1;
  margin:0;
}

.card .tag{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  font-size:13px;
  background:rgba(34,211,238,.12);
  color:#22d3ee;
  margin-bottom:8px;
}
/* ===== NAVBAR (GLOBAL HEADER STYLE) ===== */
.navbar{
  background:rgba(16,29,82,.92);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.nav-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:#22d3ee;
  font-weight:700;
  font-size:18px;
}

.brand img{
  width:44px;
  height:44px;
  border-radius:10px;
  object-fit:cover;
}

/* ===== HERO FIX (MATCH SEAMLESS LOOK) ===== */
.hero h1{
  font-size:52px;
  line-height:1.08;
  margin:16px 0;
}

/* ===== GRID SYSTEM (UNIFY) ===== */
.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}

/* ===== CARD TUNING ===== */
.card{
  padding:24px;
}

.card ul{
  margin:16px 0 0;
  padding-left:22px;
}

.card ul li{
  margin-bottom:12px;
  color:#dbeafe;
}

/* ===== MOBILE ===== */
@media(max-width:900px){
  .grid{
    grid-template-columns:1fr;
  }

  .hero h1{
    font-size:42px;
  }
}
/* ===== FIX GLOBAL HEADER (FORCE) ===== */
.site-header{
  background:#0b1220;
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}

.header-inner{
  display:flex !important;
  justify-content:space-between !important;
  align-items:center !important;
  padding:18px 0 !important;
}

.brand-link{
  display:flex !important;
  align-items:center !important;
  gap:12px !important;
  text-decoration:none !important;
}

.brand-logo{
  width:44px !important;
  height:44px !important;
  border-radius:10px !important;
  object-fit:cover !important;
}

.brand-text{
  color:#22d3ee !important;
  font-weight:700 !important;
  font-size:18px !important;
}
h2 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.3px;
}
h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #4fd1ff;
  margin-bottom: 14px;
}
p {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
}
.card p {
  max-width: 680px;
}

.card h2 {
  max-width: 800px;
}
.card {
  padding: 40px 48px;
}
.card p:first-of-type {
  font-size: 17px;
  color: rgba(255,255,255,0.95);
}
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.card p + p {
  margin-top: 8px;
}
/* ===== TYPOGRAPHY SYSTEM (NEW) ===== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);

  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

h2 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
}

h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #4fd1ff;
  margin-bottom: 14px;
}
{
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.85);
}
.card p {
  max-width: 65ch;
}

.card h2 {
  max-width: 800px;
}
.card p + p {
  margin-top: 10px;
}
.card p:first-of-type {
  font-size: 17px;
  color: rgba(255,255,255,0.95);
}
.disclosure {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  max-width: 600px;
}
.sub {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
  max-width: 700px;
}
.breadcrumb {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a,
.breadcrumb a:link,
.breadcrumb a:visited,
.breadcrumb a:active {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #4fd1ff;
}

.breadcrumb span {
  opacity: 0.4;
  margin: 0 6px;
}
.tools-bar {
  display: flex;
  gap: 16px; /* tăng khoảng cách */
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.final-cta{
  text-align:center;
  margin:80px 0;
}

.final-cta h2{
  font-size:32px;
  margin-bottom:10px;
}

.final-cta p{
  opacity:0.8;
  max-width:600px;
  margin:0 auto 20px;
}
@media(max-width:768px){

  .hero h1{
    font-size:28px;
    line-height:1.3;
  }

  .sub{
    font-size:16px;
  }

  .container{
    padding:0 16px;
  }

  .card{
    padding:20px;
  }

}
/* ===== MOBILE FIX ===== */
@media (max-width: 768px){

  body{
    font-size:16px;
  }

  h1{
    font-size:28px;
    line-height:1.3;
  }

  h2{
    font-size:22px;
  }

  p{
    font-size:16px;
  }

  li{
    font-size:16px;
  }

  .btn{
    font-size:16px;
    padding:14px 18px;
  }

}

/* ===== CTA IMPROVE ===== */
.btn{
  display:inline-block;
  margin-top:20px;
  padding:16px 24px;
  font-size:18px;
  font-weight:600;

  background:linear-gradient(135deg,#00e0ff,#00ffa3);
  color:#002;

  border-radius:12px;
  text-align:center;

  box-shadow:0 8px 25px rgba(0,255,200,.3);
}
/* ===== moi ===== */
.hero-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1;
}

.hero-image {
  flex: 1;
}

.hero-image img {
  width: 100%;
  max-width: none;
  border-radius: 18px;
  display: block;
}

.content-image img {
  width: 100%;
  margin-top: 20px;
  border-radius: 18px;
  display: block;
}
.hero-image {
  border-radius: 18px;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  display: block;
  border-radius: inherit;
}

/* ===== GLOBAL LANDING IMAGE RADIUS ===== */
.hero-image,
.content-image,
.demo-image,
.image-wrap {
  border-radius: 18px !important;
  overflow: hidden !important;
}

.hero-image img,
.content-image img,
.demo-image img,
.image-wrap img {
  width: 100% !important;
  display: block !important;
  border-radius: 18px !important;
}

/* ===== EDITORIAL LANDING CONTENT ===== */
.content {
  margin: 44px 0;
  padding: 44px 48px;
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(0,0,0,0.22);
}

.content h2 {
  max-width: 900px;
  margin: 0 0 22px;
  font-size: 28px;
  line-height: 1.32;
  color: #ffffff;
}

.content p {
  max-width: 92ch;
  margin: 0 0 18px;
  color: rgba(255,255,255,0.92);
  font-size: 16px;
  line-height: 1.85;
}

.content ul {
  max-width: 92ch;
  margin: 22px 0 0;
  padding-left: 22px;
}

.content li {
  margin: 0 0 14px;
  color: rgba(255,255,255,0.9);
  line-height: 1.75;
}

.editorial-intro {
  margin: 26px 0 30px;
  padding: 26px 28px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
}

.editorial-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: #22d3ee;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.7px;
  text-transform: uppercase;
}

.editorial-kicker::before {
  content: "";
  width: 30px;
  height: 2px;
  background: #22d3ee;
}

.editorial-section {
  margin-top: 36px;
  padding-top: 34px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.editorial-section h3 {
  margin: 0 0 18px;
  color: #ffffff;
  font-size: 25px;
  line-height: 1.35;
  letter-spacing: 0;
  text-transform: none;
}

.content .content-image {
  margin-top: 34px;
}

@media(max-width:768px) {
  .content {
    padding: 26px 20px;
    border-radius: 20px;
  }

  .editorial-intro {
    padding: 20px;
  }
}