:root{
  --navy:#16233f; --navy2:#0e1830; --green:#8dc63f; --green-dk:#6ba32a;
  --grey:#f4f6f9; --text:#3a4356; --white:#ffffff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI','Sarabun',Tahoma,sans-serif;color:var(--text);background:var(--white);line-height:1.7}
h1,h2,h3,h4{color:var(--navy);line-height:1.3}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1140px,92%);margin:0 auto}

/* Header */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(14,24,48,.92);backdrop-filter:blur(8px)}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.navbar img{height:44px}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{color:#dfe6f2;font-weight:600;font-size:.95rem;transition:.25s}
.nav-links a:hover{color:var(--green)}
.nav-cta{background:var(--green);color:var(--navy)!important;padding:.5rem 1.2rem;border-radius:30px;font-weight:700}
.nav-cta:hover{background:var(--white)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none}
.burger span{width:26px;height:3px;background:#fff;border-radius:2px}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;color:#fff;position:relative;
  background:linear-gradient(120deg,rgba(14,24,48,.94) 35%,rgba(14,24,48,.65)),
  url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1600&q=70') center/cover}
.hero-inner{padding:9rem 0 5rem;max-width:720px}
.hero .badge{display:inline-block;background:rgba(141,198,63,.15);border:1px solid var(--green);color:var(--green);padding:.35rem 1rem;border-radius:30px;font-size:.85rem;font-weight:600;margin-bottom:1.2rem}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);color:#fff;margin-bottom:1.2rem}
.hero h1 span{color:var(--green)}
.hero p.lead{font-size:1.15rem;color:#c9d4e6;margin-bottom:2rem}
.btn{display:inline-block;padding:.85rem 2rem;border-radius:32px;font-weight:700;transition:.25s;margin-right:.8rem}
.btn-primary{background:var(--green);color:var(--navy)}
.btn-primary:hover{background:#fff}
.btn-outline{border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{border-color:var(--green);color:var(--green)}
.hero-stats{display:flex;gap:2.5rem;margin-top:3rem;flex-wrap:wrap}
.hero-stats div strong{font-size:1.8rem;color:var(--green);display:block}
.hero-stats div span{color:#c9d4e6;font-size:.9rem}

/* Sections */
section{padding:5.5rem 0}
.sec-tag{color:var(--green);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.85rem}
.sec-title{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:.4rem 0 1rem}
.sec-sub{max-width:640px;margin-bottom:3rem}
.bg-grey{background:var(--grey)}
.bg-navy{background:var(--navy);color:#c9d4e6}
.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy .sec-title span{color:var(--green)}

/* Pillars */
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.5rem}
.card{background:#fff;border-radius:16px;padding:2rem 1.6rem;box-shadow:0 8px 28px rgba(20,35,70,.08);transition:.3s;border-top:4px solid transparent}
.card:hover{transform:translateY(-6px);border-top-color:var(--green);box-shadow:0 16px 40px rgba(20,35,70,.14)}
.card .icon{width:58px;height:58px;border-radius:14px;background:rgba(141,198,63,.15);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:1.1rem}
.card h3{font-size:1.12rem;margin-bottom:.6rem}
.card p{font-size:.92rem}

/* Vision / Mission */
.vm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.6rem}
.vm-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:2.2rem}
.vm-card h3{color:var(--green);margin-bottom:.9rem;font-size:1.25rem}
.vm-card ul{list-style:none;margin-top:.6rem}
.vm-card li{padding:.4rem 0 .4rem 1.6rem;position:relative}
.vm-card li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}

/* Solutions */
.sol-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}
.sol-card{position:relative;border-radius:16px;overflow:hidden;min-height:230px;display:flex;align-items:flex-end;padding:1.6rem;color:#fff}
.sol-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,24,48,.15),rgba(14,24,48,.9))}
.sol-card>div{position:relative}
.sol-card h3{color:#fff;font-size:1.15rem;margin-bottom:.3rem}
.sol-card p{font-size:.88rem;color:#cfd8e8}
.sol-bg-1{background:url('https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=800&q=60') center/cover}
.sol-bg-2{background:url('https://images.unsplash.com/photo-1593941707882-a5bba14938c7?auto=format&fit=crop&w=800&q=60') center/cover}
.sol-bg-3{background:url('https://images.unsplash.com/photo-1592838064575-70ed626d3a0e?auto=format&fit=crop&w=800&q=60') center/cover}
.sol-bg-4{background:url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=800&q=60') center/cover}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.4rem;text-align:center}
.why-item{padding:1.8rem 1.2rem}
.why-item .n{font-size:2rem;color:var(--green);font-weight:800}
.why-item h4{margin:.5rem 0 .3rem;font-size:1.05rem}
.why-item p{font-size:.88rem}

/* Services */
.svc-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem}
.svc{display:flex;gap:1rem;background:#fff;border-radius:14px;padding:1.3rem 1.5rem;box-shadow:0 6px 20px rgba(20,35,70,.07)}
.svc .num{background:var(--navy);color:var(--green);font-weight:800;min-width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.svc h4{font-size:1rem;margin-bottom:.15rem}
.svc p{font-size:.87rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.contact-card{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 8px 28px rgba(20,35,70,.08)}
.contact-card h3{margin-bottom:1rem}
.contact-line{display:flex;gap:.9rem;align-items:flex-start;margin-bottom:1rem}
.contact-line .ic{color:var(--green);font-size:1.2rem}
.qr-row{display:flex;gap:1.5rem;margin-top:1rem}
.qr-row img{width:120px;border-radius:10px;border:1px solid #e3e8f0}

/* Footer */
footer{background:var(--navy2);color:#8fa0bd;padding:2.2rem 0;font-size:.9rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
footer img{height:36px}

@media(max-width:820px){
  .nav-links{position:fixed;top:64px;right:0;background:var(--navy2);flex-direction:column;width:240px;padding:1.4rem;gap:1.1rem;transform:translateX(105%);transition:.3s;height:100vh}
  .nav-links.open{transform:none}
  .burger{display:flex}
}

.lang-toggle{background:transparent;border:2px solid var(--green);color:var(--green);font-weight:800;padding:.35rem 1rem;border-radius:30px;cursor:pointer;font-size:.9rem;font-family:inherit;transition:.25s}
.lang-toggle:hover{background:var(--green);color:var(--navy)}