/*
Theme Name: STT Golden Premium Landing
Theme URI: https://sttgolden.vn
Author: ChatGPT
Description: Theme WordPress cao cấp đen - vàng kim cho STT Golden, thiết kế sát mockup landing page: hero ảnh lớn, service cards, tin tức, CTA và footer.
Version: 2.0.0
Requires at least: 5.8
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: stt-golden-premium
*/
:root{--black:#050505;--dark:#0d0d0d;--card:#111;--gold:#d4af37;--gold2:#f4d778;--text:#fff;--muted:#c9c9c9;--line:rgba(212,175,55,.35)}
*{box-sizing:border-box}body{margin:0;background:var(--black);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.65}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto}.container{width:min(1220px,92%);margin:auto}
.topbar{background:#000;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:99}.head{height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:var(--gold);font-weight:900;font-size:24px}.shield{width:48px;height:48px;border:2px solid var(--gold);clip-path:polygon(50% 0,100% 18%,86% 85%,50% 100%,14% 85%,0 18%);display:grid;place-items:center}.brand small{display:block;color:#fff;font-size:11px;letter-spacing:1px}.nav{display:flex;gap:22px;font-size:13px;font-weight:800;text-transform:uppercase}.nav a:hover{color:var(--gold)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 24px;border-radius:5px;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#050505!important;font-weight:900;text-transform:uppercase;box-shadow:0 12px 36px rgba(212,175,55,.22)}.btn.dark{background:#050505;color:var(--gold)!important;border:1px solid var(--gold)}
.hero{min-height:760px;background:linear-gradient(90deg,#000 0%,rgba(0,0,0,.86) 38%,rgba(0,0,0,.22)),url('https://stt.quysongxanh.com/wp-content/uploads/2026/06/hero-premium.jpg.png') center/cover no-repeat;display:flex;align-items:center;position:relative}.hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,#050505)}.hero .container{position:relative;z-index:2}.eyebrow{color:var(--gold2);text-transform:uppercase;font-weight:900;letter-spacing:2px;font-size:14px}h1{font-size:clamp(48px,7vw,92px);line-height:1.02;margin:18px 0;text-transform:uppercase}h1 span,.gold{color:var(--gold)}h2{font-size:clamp(32px,4vw,54px);line-height:1.15;text-transform:uppercase;margin:0 0 18px}h3{font-size:24px;line-height:1.25;color:var(--gold);margin:0 0 12px}.lead{font-size:20px;color:#eee;max-width:670px}.actions{display:flex;gap:15px;flex-wrap:wrap;margin-top:30px}
.stats{margin-top:-54px;position:relative;z-index:3}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:rgba(12,12,12,.97);border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.55)}.stat{padding:25px 28px;border-right:1px solid var(--line);display:flex;align-items:center;gap:16px}.stat:last-child{border-right:0}.stat-icon{font-size:30px;color:var(--gold)}.stat strong{display:block;color:var(--gold);font-size:34px;line-height:1}.stat span{font-weight:800;color:#f4f4f4;font-size:13px;text-transform:uppercase}
.section{padding:88px 0}.darksec{background:#0a0a0a}.section-title{text-align:center;max-width:850px;margin:0 auto 48px}.section-title p{color:var(--muted);font-size:18px}.about{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}.hex-gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}.hex-gallery img{border:2px solid var(--gold);box-shadow:0 0 34px rgba(212,175,55,.24)}.hex-gallery img:first-child{grid-row:span 2;height:100%;object-fit:cover}.text p{color:#ddd}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.service{background:linear-gradient(180deg,#151515,#070707);border:1px solid var(--line);position:relative;overflow:hidden}.service:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--gold),transparent)}.service img{width:100%;height:230px;object-fit:cover;display:block}.service-body{padding:26px}.num{font-size:52px;color:rgba(212,175,55,.55);font-weight:900;line-height:1}.service ul{padding-left:18px;color:#ddd}.service li{margin-bottom:8px}
.panels{display:grid;grid-template-columns:1fr 1fr;gap:24px}.panel{background:radial-gradient(circle at 75% 15%,rgba(212,175,55,.18),transparent 34%),#101010;border:1px solid var(--line);padding:36px;border-radius:18px}.panel p,.panel li{color:#ddd}.values{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.value{background:#101010;border:1px solid var(--line);padding:28px 12px;text-align:center;border-radius:15px}.value .ico{color:var(--gold);font-size:36px}.value b{display:block;margin-top:8px;text-transform:uppercase}
.slogan{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.slogan-box{border:1px solid var(--line);padding:38px;border-radius:22px;background:linear-gradient(135deg,#151515,#070707)}.orb{height:260px;border-radius:22px;background:radial-gradient(circle,var(--gold2) 0%,var(--gold) 12%,rgba(212,175,55,.12) 40%,transparent 70%);display:grid;place-items:center;font-size:84px;color:#050505;font-weight:900}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.post{background:#111;border:1px solid var(--line)}.thumb{height:190px;background:linear-gradient(135deg,#161616,#312507);display:grid;place-items:center;color:var(--gold);font-weight:900;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}.post-body{padding:24px}.date{color:var(--gold2);font-size:13px;font-weight:900}.cta{padding:85px 0;text-align:center;background:linear-gradient(90deg,rgba(0,0,0,.86),rgba(42,31,5,.78)),url('https://stt.quysongxanh.com/wp-content/uploads/2026/06/hero-premium.jpg.png') center/cover fixed}.footer{background:#000;border-top:1px solid var(--line);padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:34px}.footer h4{color:var(--gold);text-transform:uppercase}.footer p,.footer li,.footer a{color:#ccc}.footer ul{list-style:none;padding:0}.footer li{margin:8px 0}.copy{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin-top:34px;color:#999}
.page-hero{padding:115px 0 75px;background:linear-gradient(135deg,#000,#201803);border-bottom:1px solid var(--line)}.content{padding:75px 0}.content article{max-width:900px;margin:auto}.content p{color:#ddd}.wp-block-button__link{background:var(--gold);color:#000!important}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.form-note input,.form-note textarea{width:100%;padding:14px;margin-bottom:12px;background:#070707;border:1px solid var(--line);color:#fff}
@media(max-width:980px){.nav{display:none}.stats-grid,.service-grid,.about,.panels,.values,.slogan,.news-grid,.footer-grid,.contact-grid{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.hero{min-height:680px}.head{height:auto;padding:15px 0;flex-wrap:wrap}.hex-gallery img:first-child{grid-row:auto}.btn{padding:12px 18px}}