/* Noci88 VN — landing site */
:root{
  --bg:#0a0e1a;
  --bg-alt:#0f1424;
  --card:#141a2e;
  --card-2:#1a2138;
  --border:#232b45;
  --text:#e8ebf5;
  --text-dim:#9aa3c0;
  --accent-1:#ff5f2e;
  --accent-2:#ffb300;
  --accent-3:#8b5cf6;
  --accent-4:#4a6cf7;
  --accent-5:#f107a3;
  --green:#16c784;
  --radius:14px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
p{margin:0 0 1em}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,14,26,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:var(--max);margin:0 auto;gap:16px}
.logo{display:flex;align-items:center;gap:8px;font-size:24px;font-weight:800;letter-spacing:.5px;white-space:nowrap}
.logo .flame{width:26px;height:26px}
.logo .n{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.logo .num{color:var(--accent-2)}

nav.main-nav{display:flex;gap:4px;flex-wrap:wrap}
nav.main-nav a{
  padding:8px 12px;border-radius:8px;font-size:14px;color:var(--text-dim);font-weight:600;
  transition:background .15s,color .15s;
}
nav.main-nav a:hover,nav.main-nav a.active{background:var(--card-2);color:var(--text)}

.header-cta{display:flex;gap:8px;align-items:center}
.btn{
  display:inline-block;padding:10px 18px;border-radius:9px;font-weight:700;font-size:14px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--accent-4),var(--accent-3));color:#fff}
.btn-primary:hover{filter:brightness(1.1)}
.btn-accent{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:#1a0f00}
.btn-accent:hover{filter:brightness(1.08)}
.btn-outline{border-color:var(--border);color:var(--text)}
.btn-outline:hover{background:var(--card-2)}
.btn-lg{padding:14px 28px;font-size:16px;border-radius:11px}

.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-size:18px}

/* hero */
.hero{
  position:relative;padding:64px 0 56px;
  background:radial-gradient(60% 60% at 15% 20%,rgba(139,92,246,.18),transparent 60%),
             radial-gradient(50% 50% at 85% 10%,rgba(255,95,46,.15),transparent 60%),
             var(--bg-alt);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;color:var(--accent-2);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px}
.hero h1{font-size:clamp(28px,4vw,44px);font-weight:800}
.hero h1 span{background:linear-gradient(135deg,var(--accent-1),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--text-dim);font-size:17px;max-width:52ch}
.hero .cta-row{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.hero-badges{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.badge{background:var(--card);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--text-dim)}
.hero-card{
  background:linear-gradient(160deg,var(--card),var(--card-2));
  border:1px solid var(--border);border-radius:20px;padding:28px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.hero-card .promo-tag{color:var(--accent-2);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:1px}
.hero-card .promo-num{font-size:40px;font-weight:800;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;margin:6px 0}
.hero-card .promo-desc{color:var(--text-dim);font-size:14px}

/* sections */
.section{padding:56px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;max-width:640px;margin:0 auto 36px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:800}
.section-head p{color:var(--text-dim)}

.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:transform .15s,border-color .15s;
}
.card:hover{transform:translateY(-3px);border-color:var(--accent-3)}
.card .icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent-4),var(--accent-3));margin-bottom:14px;font-size:22px;
}
.card h3{font-size:17px}
.card p{color:var(--text-dim);font-size:14px;margin-bottom:0}

.steps{counter-reset:step}
.step{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--border)}
.step:last-child{border-bottom:none}
.step .num{
  counter-increment:step;flex:none;width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent-1),var(--accent-2));color:#1a0f00;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.step .num::before{content:counter(step)}
.step h3{margin-bottom:4px;font-size:16px}
.step p{color:var(--text-dim);margin:0;font-size:14px}

.provider-strip{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.provider-chip{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:8px 14px;font-size:13px;color:var(--text-dim);font-weight:600}

.notice-box{
  background:rgba(255,95,46,.08);border:1px solid rgba(255,95,46,.35);border-radius:12px;
  padding:16px 18px;font-size:14px;color:#ffcdb4;margin-bottom:20px;
}
.notice-box strong{color:#fff}

.cta-band{
  text-align:center;padding:56px 20px;border-radius:20px;margin:0 20px;
  background:linear-gradient(135deg,rgba(74,108,247,.18),rgba(139,92,246,.18));
  border:1px solid var(--border);
}
.cta-band h2{font-size:clamp(20px,3vw,28px)}
.cta-band p{color:var(--text-dim)}

/* content pages */
.page-hero{padding:44px 0 28px;background:var(--bg-alt);border-bottom:1px solid var(--border)}
.page-hero h1{font-size:clamp(24px,3.4vw,34px)}
.breadcrumb{font-size:13px;color:var(--text-dim);margin-bottom:10px}
.breadcrumb a:hover{color:var(--text)}
.prose{max-width:820px;margin:0 auto}
.prose h2{font-size:20px;margin-top:36px}
.prose h3{font-size:17px;margin-top:24px}
.prose p,.prose li{color:var(--text-dim);font-size:15px}
.prose ul,.prose ol{padding-left:22px}
.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.prose th{background:var(--card-2);color:var(--text)}

.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{cursor:pointer;padding:18px 0;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent-2);font-size:20px;flex:none}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-a{color:var(--text-dim);padding-bottom:18px;font-size:14px}

.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;text-align:center}
.contact-card .icon{font-size:26px;margin-bottom:10px}
.contact-card h3{font-size:15px;margin-bottom:4px}
.contact-card p{color:var(--text-dim);font-size:13px;margin:0}

/* footer */
footer{background:var(--bg-alt);border-top:1px solid var(--border);padding:48px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand .logo{margin-bottom:12px}
.footer-brand p{color:var(--text-dim);font-size:13px;max-width:34ch}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:14px}
.footer-col a{display:block;color:var(--text-dim);padding:5px 0;font-size:14px}
.footer-col a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-dim);font-size:12.5px}
.footer-age{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-weight:700;color:var(--accent-2)}

@media (max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero .wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  nav.main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--bg);
    flex-direction:column;padding:16px;display:none;overflow-y:auto;
  }
  nav.main-nav.open{display:flex}
  .nav-toggle{display:inline-block}
  .header-cta .btn-outline{display:none}
  .grid-4,.grid-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}

/* --- brand images (added 2026-09-01) --- */
.logo img{display:block;height:38px;width:auto}
footer .logo img{height:34px}
.card .icon.icon-img{background:linear-gradient(135deg,rgba(255,95,46,.14),rgba(43,108,255,.14));padding:6px}
.card .icon.icon-img img{width:100%;height:100%;object-fit:contain;display:block}
.promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.promo-card{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:var(--card);line-height:0;transition:transform .15s,border-color .15s}
.promo-card:hover{transform:translateY(-3px);border-color:var(--accent-3)}
.promo-card img{width:100%;height:auto;display:block}
@media (max-width:900px){.promo-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.promo-grid{grid-template-columns:1fr}.logo img{height:32px}}

/* --- promo slider + long-form content (added 2026-09-01) --- */
.promo-slider{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--card)}
.promo-track{display:flex;transition:transform .45s ease}
.promo-slide{flex:0 0 100%;min-width:100%;line-height:0}
.promo-slide img{width:100%;height:auto;display:block}
.promo-nav{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;
  background:rgba(10,14,26,.62);border:1px solid var(--border);color:var(--text);font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s;z-index:3}
.promo-nav:hover{background:rgba(10,14,26,.9)}
.promo-nav.prev{left:12px}
.promo-nav.next{right:12px}
.promo-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:7px;z-index:3}
.promo-dots button{width:9px;height:9px;padding:0;border-radius:50%;border:0;cursor:pointer;background:rgba(232,235,245,.38)}
.promo-dots button.is-active{background:var(--accent-2);width:22px;border-radius:5px}
@media (max-width:600px){.promo-nav{width:34px;height:34px;font-size:16px}.promo-dots{bottom:8px}}

.prose{max-width:900px;margin:0 auto;color:var(--text-dim)}
.prose h3{color:var(--text);margin-top:1.4em;font-size:19px}
.prose p,.prose li{font-size:15.5px;line-height:1.75}
.prose strong{color:var(--text)}
.prose ul,.prose ol{padding-left:20px;margin:0 0 1em}
.prose li{margin-bottom:.45em}
.prose a{color:var(--accent-2);text-decoration:underline}

.data-table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:14.5px;background:var(--card);border-radius:10px;overflow:hidden}
.data-table th,.data-table td{padding:11px 14px;border-bottom:1px solid var(--border);text-align:left}
.data-table th{background:var(--card-2);color:var(--text);font-weight:700;font-size:13.5px}
.data-table td{color:var(--text-dim)}
.data-table tr:last-child td{border-bottom:0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:10px;margin-bottom:10px;padding:0}
.faq-item h3{margin:0;font-size:16px;padding:14px 16px;color:var(--text)}
.faq-item .faq-a{padding:0 16px 14px;color:var(--text-dim);font-size:15px;margin:0}

.term-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.term-grid .card{padding:14px 16px}
.term-grid .card h3{font-size:15px;margin-bottom:.35em}
.term-grid .card p{font-size:14px;margin:0;color:var(--text-dim)}
@media (max-width:700px){.term-grid{grid-template-columns:1fr}}

.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.review-grid .card p{font-size:14.5px;font-style:italic}
.review-grid .who{font-size:13px;color:var(--accent-2);font-weight:700;font-style:normal;margin:0}
@media (max-width:800px){.review-grid{grid-template-columns:1fr}}

/* landing pages 2026-09-01 */
.card-more{margin-top:14px}
.card-more a{color:#ffb457;font-weight:600;text-decoration:none;font-size:.95rem}
.card-more a:hover{text-decoration:underline}
.card h3 a{color:inherit;text-decoration:none}
.card h3 a:hover{color:#ffb457}

/* footer CTA + sticky CTA 2026-09-01 */
.footer-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin:28px 0 8px;padding:22px 24px;border-radius:16px;
  background:linear-gradient(120deg,#1b2450,#101632);border:1px solid rgba(255,255,255,.1)}
.footer-cta-text{display:flex;flex-direction:column;gap:6px;min-width:240px;flex:1}
.footer-cta-text strong{font-size:1.15rem;color:#fff}
.footer-cta-text span{color:#93a4cc;font-size:.95rem;line-height:1.5}
.footer-cta-btns{display:flex;gap:10px;flex-wrap:wrap}
.footer-cta-btns .btn{white-space:nowrap}
@media (max-width:600px){
  .footer-cta{padding:18px;flex-direction:column;align-items:stretch;text-align:center}
  .footer-cta-btns{justify-content:center}
  .footer-cta-btns .btn{flex:1;min-width:130px}
}
.sticky-cta{display:none}
@media (max-width:900px){
  .sticky-cta{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:9999;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:rgba(10,14,26,.96);backdrop-filter:blur(8px);
    border-top:1px solid rgba(255,255,255,.12)}
  .sticky-cta .btn{flex:1;text-align:center;padding:12px 10px;font-size:.98rem}
  body{padding-bottom:74px}
}

/* hero figure landing pages 2026-09-01 */
.hero-fig{margin:0 0 28px;border-radius:16px;overflow:hidden;background:#0c1226;border:1px solid rgba(255,255,255,.07)}
.hero-fig img{display:block;width:100%;height:auto}
.hero-fig figcaption{padding:12px 16px;font-size:.9rem;color:#8fa4d4;background:rgba(255,255,255,.03);border-top:1px solid rgba(255,255,255,.06)}
@media (max-width:600px){.hero-fig{border-radius:12px}.hero-fig figcaption{font-size:.84rem;padding:10px 12px}}
/* home illustration images 2026-09-02 */
.home-fig{margin:24px 0 0;border-radius:16px;overflow:hidden;background:#0c1226;border:1px solid rgba(255,255,255,.07)}
.home-fig img{display:block;width:100%;height:auto}
.home-fig figcaption{padding:12px 16px;font-size:.9rem;color:#8fa4d4;background:rgba(255,255,255,.03);border-top:1px solid rgba(255,255,255,.06)}
.img-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.gal-fig{margin:0;border-radius:14px;overflow:hidden;background:#0c1226;border:1px solid rgba(255,255,255,.07)}
.gal-fig img{display:block;width:100%;height:auto}
.gal-fig figcaption{padding:10px 14px;font-size:.86rem;line-height:1.5;color:#8fa4d4;background:rgba(255,255,255,.03);border-top:1px solid rgba(255,255,255,.06)}
@media (max-width:900px){.img-gallery{grid-template-columns:1fr;gap:14px}}
@media (max-width:600px){.home-fig,.gal-fig{border-radius:12px}.home-fig figcaption,.gal-fig figcaption{font-size:.82rem;padding:10px 12px}}
.home-fig{max-width:880px;margin-left:auto;margin-right:auto}

/* Video giới thiệu (facade click-to-play) */
.video-wrap{max-width:900px;margin:0 auto}
.video-frame{position:relative;aspect-ratio:16/9;width:100%;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#000;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.video-play{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:none;cursor:pointer;display:block}
.video-play img{width:100%;height:100%;object-fit:cover}
.video-play::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,26,.08),rgba(10,14,26,.5))}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;width:78px;height:78px;border-radius:50%;background:linear-gradient(135deg,var(--accent-1),var(--accent-2));display:flex;align-items:center;justify-content:center;transition:transform .25s;box-shadow:0 8px 24px rgba(255,95,46,.4)}
.video-play-btn::before{content:"";border-style:solid;border-width:13px 0 13px 22px;border-color:transparent transparent transparent #0a0e1a;margin-left:5px}
.video-play:hover .video-play-btn,.video-play:focus-visible .video-play-btn{transform:translate(-50%,-50%) scale(1.08)}
.video-note{text-align:center;color:var(--text-dim);font-size:14px;margin-top:14px}
@media(max-width:640px){
  .video-play-btn{width:60px;height:60px}
  .video-play-btn::before{border-width:10px 0 10px 17px;margin-left:4px}
  .video-note{font-size:13px}
}