:root{--navy:#012F7F;--navy-deep:#021E52;--cyan:#1A8FB0;--sky:#1E9AFE;--gold:#E3B721;
    --ink:#2C2C2A;--muted:#5b6472;--bg:#F4F7FC;--bg-soft:#E8EEF8;--white:#fff;--line:#d7e2f2;--maxw:820px;}
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.78;font-size:18px;-webkit-font-smoothing:antialiased;}
  img{max-width:100%;display:block;}
  a{color:var(--sky);text-decoration:none;}
  #progress{position:fixed;top:0;left:0;height:4px;width:0;z-index:100;background:linear-gradient(90deg,var(--sky),var(--cyan));transition:width .1s linear;}

  /* HERO */
  .hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:80px 0 96px;color:#fff;
    background:radial-gradient(1200px 600px at 80% -10%,rgba(30,154,254,.55),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(26,143,176,.45),transparent 60%),linear-gradient(160deg,var(--navy-deep) 0%,var(--navy) 55%,#013a9c 100%);overflow:hidden;}
  .hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 60% 45%,#000 0%,transparent 75%);-webkit-mask-image:radial-gradient(circle at 60% 45%,#000 0%,transparent 75%);pointer-events:none;}
  .hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto;width:100%;padding:0 24px;text-align:center;}
  .hero-logo{height:66px;width:auto;display:block;margin:0 auto 30px;filter:drop-shadow(0 4px 14px rgba(0,0,0,.4));}
  .kicker{display:inline-block;font-size:14px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:#9ecbff;margin-bottom:20px;}
  .hero h1{font-size:clamp(36px,6.8vw,74px);line-height:1.1;font-weight:900;letter-spacing:-1px;margin-bottom:18px;text-wrap:balance;text-shadow:0 8px 40px rgba(0,0,0,.30);}
  .hero h1 .accent{background:linear-gradient(90deg,#5fb8ff,#2ee6c5);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .hero .lead{font-size:clamp(16px,1.9vw,20px);color:#d8e6ff;max-width:660px;margin:0 auto;font-weight:400;line-height:1.7;text-wrap:pretty;}
  .hero-accent{width:84px;height:4px;margin:0 auto 20px;border-radius:3px;background:linear-gradient(90deg,#E3B721,#f2d371);}
  .hero .years{margin-top:38px;display:flex;align-items:center;gap:18px;font-weight:800;font-size:clamp(20px,3vw,30px);color:#fff;}
  .hero .years span{color:var(--gold);}
  .hero .years .bar{flex:0 0 60px;height:3px;background:linear-gradient(90deg,var(--gold),transparent);}
  .scroll-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;color:#bcd4ff;font-size:13px;letter-spacing:2px;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px;}
  .scroll-hint .dot{width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:14px;position:relative;}
  .scroll-hint .dot::before{content:"";position:absolute;left:50%;top:8px;transform:translateX(-50%);width:4px;height:8px;background:#fff;border-radius:2px;animation:sd 1.6s infinite;}
  @keyframes sd{0%{opacity:0;transform:translate(-50%,0);}40%{opacity:1;}80%{opacity:0;transform:translate(-50%,14px);}100%{opacity:0;}}

  .hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
  .hero-ov{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(2,14,46,.55),rgba(1,20,55,.72));}
  .hero::after{display:none;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

  /* GLOW CARD */
  .glow-sec{padding:60px 24px 30px;}
  .glow-card{position:relative;max-width:800px;margin:0 auto;border-radius:24px;padding:2.5px;background:linear-gradient(120deg,#1E9AFE,#2ee6c5,#012F7F,#1E9AFE);background-size:300% 300%;animation:borderflow 9s ease infinite;box-shadow:0 34px 80px rgba(1,47,127,.28);}
  @keyframes borderflow{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
  .glow-card-inner{background:radial-gradient(120% 140% at 10% 0%,#063089 0%,#04246a 45%,#021640 100%);border-radius:21px;padding:44px 42px;color:#eaf2ff;}
  .glow-card .gc-kicker{font-size:13px;font-weight:800;letter-spacing:3px;text-transform:uppercase;color:#7fd0ff;}
  .glow-card h2{color:#fff;font-size:clamp(23px,3.4vw,32px);font-weight:900;line-height:1.22;margin:12px 0 18px;letter-spacing:-.5px;text-wrap:balance;}
  .glow-card p{color:#c9dbf5;font-size:17px;margin-bottom:16px;line-height:1.7;text-wrap:pretty;}
  .glow-card p:last-of-type{margin-bottom:0;}
  .glow-card .gc-first::first-letter{float:left;font-size:62px;line-height:.8;font-weight:900;color:#5fb8ff;padding:6px 12px 0 0;}
  .glow-card .gc-meta{display:flex;align-items:center;gap:14px;margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);}
  .glow-card .gc-av{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:7px 12px;display:inline-flex;}
  .glow-card .gc-av img{height:22px;}
  .glow-card .gc-name{font-weight:800;color:#fff;font-size:14px;letter-spacing:.5px;}

  /* PROSE SECTION */
  .sec{max-width:var(--maxw);margin:0 auto;padding:30px 24px;}
  .standfirst{font-size:clamp(16px,2.1vw,20px);font-style:italic;font-weight:600;color:var(--cyan);margin-bottom:14px;line-height:1.5;text-wrap:pretty;}
  .sec p{margin-bottom:18px;color:#39414f;text-wrap:pretty;}
  .sec p strong{color:var(--navy);font-weight:700;}
  .sec p:last-child{margin-bottom:0;}

  /* FACTS (highlight only) */
  .facts{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 6px;}
  .fact{flex:1 1 170px;background:var(--bg-soft);border-radius:14px;padding:18px 20px;border:1px solid var(--line);}
  .fact b{display:block;font-size:28px;font-weight:900;color:var(--cyan);line-height:1;}
  .fact span{font-size:13.5px;color:var(--muted);font-weight:500;}

  /* REVEAL BAND */
  .reveal-band{position:relative;min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;padding:90px 24px;overflow:hidden;}
  .rb-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-attachment:fixed;}
  .rb-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,16,50,.72),rgba(1,20,55,.82));}
  .rb-inner{position:relative;z-index:2;max-width:800px;}
  .rb-kicker{font-size:13px;font-weight:800;letter-spacing:4px;text-transform:uppercase;color:var(--gold);text-wrap:nowrap;}
  .reveal-band h2{font-size:clamp(28px,5vw,52px);font-weight:900;line-height:1.12;letter-spacing:-1px;margin-top:16px;text-shadow:0 6px 30px rgba(0,0,0,.4);text-wrap:balance;}
  .rb-line{width:72px;height:4px;background:var(--gold);margin:24px auto 0;border-radius:3px;}
  .rb-sub{margin-top:20px;color:#dbe8ff;font-size:clamp(16px,2.2vw,20px);font-weight:400;text-wrap:balance;}

  /* ECO DIAGRAM */
  
  
  

  /* SPOTLIGHT */
  .spotlight{position:relative;padding:90px 24px;overflow:hidden;background-image:linear-gradient(rgba(2,14,44,.56),rgba(1,18,52,.68)),url('cloudzone-spotlight-nen-trich-dan.jpg');background-size:cover,cover;background-position:center,center;background-repeat:no-repeat;}
  .spot-card{position:relative;z-index:2;max-width:740px;margin:0 auto;text-align:center;color:#fff;background:linear-gradient(160deg,#06296b,#03123a);border:1px solid rgba(120,180,255,.22);border-radius:26px;padding:52px 44px;box-shadow:0 40px 90px rgba(0,0,0,.45);}
  .spot-glow{position:absolute;border-radius:50%;filter:blur(80px);z-index:1;opacity:.38;}
  .spot-glow.g1{width:360px;height:360px;background:#1E9AFE;top:-70px;left:8%;animation:floaty 9s ease-in-out infinite;}
  .spot-glow.g2{width:320px;height:320px;background:#2ee6c5;bottom:-80px;right:8%;animation:floaty 12s ease-in-out infinite reverse;}
  @keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(26px)}}
  .spot-av{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:10px 16px;margin:0 auto 22px;display:inline-flex;}
  .spot-av img{height:26px;}
  .spot-quote{font-size:clamp(20px,3vw,29px);font-weight:800;line-height:1.4;color:#fff;text-wrap:balance;}
  .spot-quote .qm{color:var(--gold);}
  .spot-line{width:64px;height:4px;background:var(--gold);margin:26px auto;border-radius:3px;}
  .spot-author{color:#9ecbff;font-weight:600;letter-spacing:.5px;font-size:15.5px;}

  /* STATS */
  .stats{background:#edf4fe;color:var(--ink);padding:64px 24px;}
  .stats-grid{max-width:980px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}
  .stat b{display:block;font-size:clamp(30px,5vw,48px);font-weight:900;color:var(--navy);line-height:1;}
  .stat span{display:block;margin-top:10px;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:600;}
  .stat.gold b{color:var(--gold);}

  /* FINALE */
  .finale{background:linear-gradient(120deg,var(--navy-deep),var(--navy) 68%,#0140a8);color:#fff;padding:88px 24px;text-align:center;}
  .finale-inner{max-width:720px;margin:0 auto;}
  .finale-logo{height:64px;width:auto;margin:0 auto 24px;display:block;opacity:.96;}
  .finale h2{font-size:clamp(26px,4.4vw,42px);font-weight:900;color:#fff;letter-spacing:-.5px;line-height:1.18;text-wrap:balance;}
  .finale-line{width:64px;height:4px;background:var(--gold);margin:22px auto 26px;border-radius:3px;}
  .finale-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
  .fbtn{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:16px;padding:15px 28px;border-radius:999px;transition:transform .15s;}
  .fbtn.primary{background:var(--gold);color:#3a2c00;box-shadow:0 12px 28px rgba(227,183,33,.28);}
  .fbtn.ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.4);}
  .fbtn:hover{transform:translateY(-2px);}

  /* mid figure (transparent servers on padded card) */
  .mid-figure{margin:24px 0 8px;}
  .mid-figure img{width:100%;border-radius:10px;}
  .mid-figure a{display:block;}
  .mid-figure .mf-shot{border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 14px 36px rgba(1,47,127,.10);}
  .mid-figure .mf-shot img{border-radius:0;}
  .mid-figure figcaption{margin-top:12px;font-size:14px;font-style:italic;color:var(--muted);text-align:center;text-wrap:pretty;}

  /* TESTIMONIALS */
  /* ===== PRESS QUOTE (kiểu trích dẫn báo chí) ===== */
  .press-quote{max-width:760px;margin:26px auto 34px;padding:0 24px;position:relative;}
  .pq-kicker{display:block;font-size:12.5px;font-weight:700;letter-spacing:2.6px;
    text-transform:uppercase;color:var(--cyan);margin-bottom:32px;}
  .pq-quote{position:relative;margin:0;padding-left:26px;border-left:4px solid var(--gold);}
  .pq-quote::before{content:"“";position:absolute;left:-2px;top:-40px;
    font-family:Georgia,'Times New Roman',serif;font-size:80px;font-weight:700;
    color:rgba(1,47,127,.10);line-height:1;pointer-events:none;}
  .pq-quote p{position:relative;margin:0;color:var(--navy);
    font-size:clamp(20px,2.6vw,26px);font-weight:700;font-style:italic;
    line-height:1.48;text-wrap:pretty;}
  .pq-byline{margin-top:18px;padding-left:26px;}
  .pq-name{display:block;color:var(--navy);font-weight:800;font-size:15px;}
  .pq-role{display:block;color:var(--muted);font-size:13.5px;margin-top:2px;}
  @media(max-width:820px){.testi-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:560px){.testi-grid{grid-template-columns:1fr;}}

  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
  .reveal.in{opacity:1;transform:none;}

  @media(max-width:640px){
    body{font-size:17px;}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 12px;}
    .glow-card-inner{padding:32px 22px;}
    .spot-card{padding:38px 22px;}
    .rb-bg{background-attachment:scroll;}
    .reveal-band{min-height:66vh;}
  }

  /* Khối text - hình - text (Doanh nghiệp & Đại lý) */
  .vm{max-width:1060px;margin:6px auto;padding:20px 24px;}
  
  
  
  
  
  
  .vm-grid{display:grid;grid-template-columns:1fr 340px 1fr;align-items:stretch;}
  .vm-card{background:linear-gradient(160deg,#04246a,#012f7f);color:#fff;padding:30px 28px;display:flex;flex-direction:column;justify-content:center;}
  .vm-card.l{border-radius:16px 0 0 16px;}
  .vm-card.r{border-radius:0 16px 16px 0;}
  .vm-card h4{font-size:19px;font-weight:800;margin-bottom:12px;color:#fff;}
  .vm-card p{font-size:14.5px;line-height:1.65;color:#d5e4ff;text-wrap:pretty;margin:0;}
  .vm-media{position:relative;z-index:2;margin:16px -12px;border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(1,47,127,.28);}
  .vm-media img{width:100%;height:100%;object-fit:cover;display:block;min-height:280px;}
  @media(max-width:820px){.vm-grid{grid-template-columns:1fr;}.vm-card.l,.vm-card.r{border-radius:16px;}.vm-media{margin:14px 0;order:-1;}}

  
  @media(prefers-reduced-motion:reduce){.hero-video{display:none;}}
  .hero{background-size:cover;background-position:center;}

  /* ===== SƠ ĐỒ HỆ SINH THÁI (HTML/CSS — tự co giãn theo màn hình) ===== */
  .eco{position:relative;width:100%;margin:14px 0 16px;padding:40px 22px 32px;overflow:hidden;
    background:radial-gradient(900px 540px at 50% 42%,rgba(30,154,254,.30),transparent 66%),
               linear-gradient(160deg,#021E52 0%,#012F7F 58%,#013a9c 100%);}
  /* lưới mạch điện mờ, mô phỏng nền artwork gốc */
  .eco::before{content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
    background-size:54px 54px;
    mask-image:radial-gradient(circle at 50% 44%,#000 0%,transparent 80%);
    -webkit-mask-image:radial-gradient(circle at 50% 44%,#000 0%,transparent 80%);}
  .eco-grid{position:relative;z-index:2;max-width:1180px;margin:0 auto;
    display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:center;}

  /* Tâm sơ đồ */
  .eco-hub{grid-column:2;grid-row:2;min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    text-align:center;padding:28px 20px;border-radius:28px;color:#fff;
    background:radial-gradient(circle at 50% 38%,rgba(30,154,254,.55),rgba(1,47,127,.22) 72%);
    border:1px solid rgba(255,255,255,.30);
    box-shadow:0 0 0 7px rgba(30,154,254,.10),0 20px 50px rgba(0,0,0,.30);}
  .eco-hub .k{font-size:12px;font-weight:700;letter-spacing:2.4px;text-transform:uppercase;color:#9ecbff;}
  .eco-hub .n{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:-.4px;margin-top:6px;line-height:1.15;}
  .eco-hub .d{width:52px;height:4px;border-radius:3px;background:linear-gradient(90deg,#E3B721,#f2d371);margin-top:12px;}

  /* Thẻ dịch vụ */
  .eco-card{background:#fff;border-radius:16px;padding:15px 16px 14px;
    box-shadow:0 10px 26px rgba(1,20,55,.24);border-left:4px solid var(--sky);}
  .eco-card .name{font-size:16px;font-weight:800;color:var(--navy);line-height:1.32;text-wrap:pretty;}
  .eco-card .en{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-top:2px;}
  .eco-sub{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px;}
  .eco-sub span{font-size:12.5px;line-height:1.45;background:var(--bg-soft);color:#194283;
    border:1px solid var(--line);border-radius:999px;padding:4px 10px;}
  .eco-cap{position:relative;z-index:2;max-width:820px;margin:22px auto 0;text-align:center;
    font-size:14px;font-style:italic;color:rgba(255,255,255,.74);text-wrap:pretty;}

  /* Màn trung bình: 2 cột, tâm sơ đồ lên trên cùng */
  @media(max-width:1000px){
    .eco-grid{grid-template-columns:repeat(2,1fr);}
    .eco-hub{grid-column:1/-1;grid-row:1;padding:24px 18px;}
  }
  /* Màn hẹp: 1 cột, chữ giữ nguyên cỡ nên luôn đọc được */
  @media(max-width:560px){
    .eco{padding:34px 16px 28px;}
    .eco-grid{grid-template-columns:1fr;gap:12px;align-items:start;}
    .eco-hub{grid-column:1;grid-row:1;}
  }

/* Ảnh nền riêng cho từng reveal-band (trước đây là inline style, tách ra để HTML sạch) */
.rb-bg--2018-2024{background-image:url('cloudzone-reveal-band-2018-2024.jpg');}
.rb-bg--2025-dai-ly{background-image:url('cloudzone-reveal-band-2025-dai-ly.jpg');}