:root{--ink:#14211d;--green:#163832;--green2:#214b43;--cream:#f4f1e9;--white:#fff;--gold:#d4a95d;--line:#d9ded9;--muted:#62706a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fafaf7;font-family:'Be Vietnam Pro',sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.eyebrow{font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--gold)}header{position:sticky;top:0;z-index:20;background:rgba(250,250,247,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(20,33,29,.08)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font:800 1.15rem Manrope}.mark{width:38px;height:38px;border-radius:11px;background:var(--green);color:var(--gold);display:grid;place-items:center}.links{display:flex;gap:24px;align-items:center;font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border:1px solid var(--green);border-radius:999px;font-weight:700}.btn.primary{background:var(--green);color:#fff}.intro{padding:72px 0 44px}.crumb{font-size:.82rem;color:var(--muted);margin-bottom:24px}.intro h1,.detail-hero h1{font:700 clamp(2.8rem,5.5vw,5.5rem)/1.02 Manrope;letter-spacing:-.055em;margin:12px 0 24px}.intro p,.detail-hero p{font-size:1.06rem;color:var(--muted);max-width:710px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}.filter{border:1px solid var(--line);background:#fff;border-radius:99px;padding:10px 16px;cursor:pointer;color:var(--ink);font:600 .86rem 'Be Vietnam Pro'}.filter.active,.filter:hover{background:var(--green);color:#fff;border-color:var(--green)}.projects{padding:20px 0 90px}.project-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{display:block;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:0 14px 38px rgba(20,33,29,.1)}.thumb{height:360px;background-size:cover;background-position:center}.card-body{padding:24px}.tag{font-size:.74rem;color:var(--gold);text-transform:uppercase;letter-spacing:.11em;font-weight:700}.card h2{font:650 1.45rem Manrope;margin:8px 0}.card p{color:var(--muted);font-size:.9rem;margin:0}.more{display:inline-block;margin-top:18px;font-weight:700;color:var(--green)}.empty{display:none;padding:40px;text-align:center;color:var(--muted)}.detail-hero{padding:60px 0 35px}.cover{height:min(67vw,690px);min-height:420px;border-radius:30px;background-size:cover;background-position:center}.facts{padding:35px 0;border-bottom:1px solid var(--line)}.facts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.fact small{display:block;color:var(--muted);font-size:.78rem}.fact b{font:650 1rem Manrope}.story{padding:80px 0}.story-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.story h2{font:700 clamp(2rem,4vw,3.5rem)/1.08 Manrope;letter-spacing:-.04em;margin:10px 0}.story p{color:var(--muted)}.features{display:grid;grid-template-columns:1fr 1fr;gap:14px}.feature{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.feature b{font:650 1rem Manrope}.feature p{font-size:.88rem;margin:8px 0 0}.gallery{padding:0 0 90px}.gallery-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.gallery-img{min-height:460px;border-radius:22px;background-size:cover;background-position:center}.gallery-copy{border-radius:22px;background:var(--cream);padding:34px;display:flex;flex-direction:column;justify-content:end}.gallery-copy h3{font:650 1.6rem Manrope;margin:8px 0}.gallery-copy p{color:var(--muted)}.cta{background:var(--green);color:#fff;padding:75px 0}.cta-grid{display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px}.cta h2{font:700 clamp(2rem,4vw,3.6rem)/1.08 Manrope;letter-spacing:-.04em;margin:8px 0}.cta p{color:#c8d7d3}.cta .btn{background:#fff;color:var(--green);border-color:#fff}.contactline{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:.9rem}footer{background:#0f2823;color:#bfd0cb;padding:28px 0}.footer{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:.84rem}.footer .brand{color:#fff}.zalo{position:fixed;right:20px;bottom:20px;z-index:15;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#0877ff;color:#fff;font-weight:800;box-shadow:0 8px 24px rgba(0,0,0,.22)}@media(max-width:800px){.project-grid,.story-grid,.gallery-grid,.cta-grid{grid-template-columns:1fr}.facts-grid{grid-template-columns:1fr}.thumb{height:300px}.links a:not(.btn){display:none}.features{grid-template-columns:1fr}}@media(max-width:520px){.wrap{width:calc(100% - 28px)}.links{gap:8px}.links .btn{padding:10px 12px;font-size:.78rem}.project-grid{grid-template-columns:1fr}.intro h1,.detail-hero h1{font-size:2.7rem}.cover{min-height:360px}.footer{flex-direction:column;align-items:flex-start}}