:root{--navy:#0B1F3A;--orange:#FF6B00;--bg:#F4F6F9;--text:#1f2937;--muted:#6b7280}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,sans-serif;color:var(--text);line-height:1.6}
h1,h2,h3{font-family:Montserrat,sans-serif;color:var(--navy);line-height:1.2}
.container{max-width:1200px;margin:auto;padding:0 20px}
section{padding:80px 0}
.sec-title{text-align:center;font-size:2rem;margin-bottom:12px}
.sec-sub{text-align:center;color:var(--muted);margin-bottom:48px}
.btn{display:inline-block;padding:14px 28px;border-radius:8px;font-weight:600;text-decoration:none;transition:.2s;border:2px solid transparent;cursor:pointer;font-size:1rem}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#e55f00}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* Header */
header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-family:Montserrat;font-weight:800;font-size:1.4rem;color:var(--navy);text-decoration:none}
.logo span{color:var(--orange)}
nav ul{display:flex;gap:28px;list-style:none}
nav a{text-decoration:none;color:var(--navy);font-weight:500}
nav a:hover{color:var(--orange)}

/* Hero */
.hero{background:linear-gradient(rgba(11,31,58,.92),rgba(11,31,58,.92)),url('images/hero-cargo.jpg') center/cover,var(--navy);color:#fff;padding:120px 0}
.hero h1{color:#fff;font-size:3.2rem;margin-bottom:16px}
.hero h2{color:#ffb27a;font-size:1.4rem;font-weight:600;margin-bottom:20px}
.hero p{max-width:640px;margin-bottom:32px;opacity:.92}
.hero .btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hero small{letter-spacing:3px;opacity:.8}

/* About */
.about{background:var(--bg)}
.about .grid{align-items:center}
.about img{width:100%;border-radius:12px}
.tag{color:var(--orange);font-weight:700;letter-spacing:2px;font-size:.85rem}

/* Cards */
.card{background:#fff;padding:32px;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:.25s;border-top:4px solid transparent}
.card:hover{transform:translateY(-6px);border-top-color:var(--orange)}
.card .ico{font-size:2.2rem;margin-bottom:12px}
.card h3{font-size:1.1rem;margin-bottom:4px}
.card .vi{color:var(--orange);font-weight:600;margin-bottom:10px;font-size:.9rem}
.card p{color:var(--muted);font-size:.95rem}

/* Why */
.why{background:var(--navy)}
.why .sec-title{color:#fff}.why .sec-sub{color:#aab6c8}
.why .card{background:rgba(255,255,255,.06);box-shadow:none}
.why .card h3{color:#fff}.why .card p{color:#c3cddc}

/* Process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;text-align:center}
.step .num{width:64px;height:64px;border-radius:50%;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;font-family:Montserrat;font-weight:800;font-size:1.3rem;margin:0 auto 12px}
.step h3{font-size:1rem}
.step p{font-size:.88rem;color:var(--muted)}

/* Map */
.map{background:linear-gradient(rgba(11,31,58,.95),rgba(11,31,58,.95)),url('images/world-map.png') center/cover,var(--navy);color:#fff;text-align:center}
.map h2{color:#fff;font-size:2.2rem}
.routes{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:32px 0}
.routes span{border:1px solid rgba(255,255,255,.4);padding:10px 20px;border-radius:999px}
.map em{color:#ffb27a;font-size:1.2rem}

/* Industries */
.ind{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;text-align:center}
.ind div{background:var(--bg);padding:24px 10px;border-radius:12px;font-weight:600;color:var(--navy)}
.ind small{display:block;color:var(--muted);font-weight:400}

/* Quote */
.quote{background:var(--bg)}
form{background:#fff;padding:40px;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.08);max-width:900px;margin:auto}
form .grid{grid-template-columns:repeat(3,1fr)}
label{font-size:.85rem;font-weight:600;color:var(--navy);display:block;margin-bottom:4px}
input,select,textarea{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:8px;font:inherit}
input:focus,select:focus{outline:2px solid var(--orange);border-color:transparent}
form .btn{margin-top:24px;width:100%}

/* Footer */
footer{background:#07152a;color:#c3cddc;padding:60px 0 24px}
footer .grid{grid-template-columns:2fr 1fr 1fr}
footer h4{color:#fff;margin-bottom:12px;font-family:Montserrat}
footer a{color:#c3cddc;text-decoration:none;display:block;margin-bottom:6px}
footer a:hover{color:var(--orange)}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:16px;text-align:center;font-size:.85rem}

/* Floating contact */
.float{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:99}
.float a{background:var(--orange);color:#fff;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 4px 12px rgba(0,0,0,.25);font-size:.75rem;font-weight:700}

/* ===== Hình ảnh minh họa ===== */
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
.plane{animation:fly 6s ease-in-out infinite}
@keyframes fly{50%{transform:translate(14px,-10px)}}
.ship{animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(6px)}}

.card .ico{width:60px;height:60px;border-radius:14px;background:linear-gradient(135deg,var(--navy),#1d4577);
 display:flex;align-items:center;justify-content:center;font-size:1.7rem;margin-bottom:16px}
.card:hover .ico{background:linear-gradient(135deg,var(--orange),#ff9a4d)}

.stats{background:var(--orange);color:#fff;padding:36px 0}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;gap:16px}
.stats b{display:block;font-family:Montserrat;font-size:2.2rem}
.stats span{font-size:.9rem;opacity:.95}

.about-art{background:linear-gradient(135deg,var(--navy),#1d4577);border-radius:16px;padding:24px;position:relative}
.about-art svg{width:100%;height:auto;display:block}

.map-svg{max-width:900px;margin:28px auto 0;display:block;width:100%}
.route{stroke:#ff9a4d;stroke-width:1.6;fill:none;stroke-dasharray:6 6;animation:dash 14s linear infinite}
@keyframes dash{to{stroke-dashoffset:-240}}
.pulse{animation:pulse 2s infinite;transform-origin:center;transform-box:fill-box}
@keyframes pulse{50%{transform:scale(1.8);opacity:.4}}

.ind div{font-size:.95rem;transition:.2s}
.ind div:hover{background:var(--navy);color:#fff;transform:translateY(-4px)}
.ind div:hover small{color:#c3cddc}
.ind i{display:block;font-style:normal;font-size:2rem;margin-bottom:6px}

.trust{padding:36px 0;background:#fff;border-bottom:1px solid #e5e7eb}
.trust .container{display:flex;flex-wrap:wrap;gap:12px 36px;justify-content:center;color:var(--muted);font-weight:600;letter-spacing:1px;font-size:.85rem}

@media(max-width:900px){
 nav ul{display:none}
 .g3,.g2,.g4,.steps,.ind,form .grid,footer .grid{grid-template-columns:1fr 1fr}
 .hero h1{font-size:2.2rem}
 .hero .container{grid-template-columns:1fr}
 .hero-art{display:none}
 .stats .container{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
 .g3,.g2,.g4,.steps,.ind,form .grid,footer .grid{grid-template-columns:1fr}
}