/* ============================================================
   Website giới thiệu CÔNG TY TNHH XUẤT NHẬP KHẨU LOGISTICS VIP ORDER
   Dựng 05/09/2026 (V-3100). Nội dung lấy từ wiki/thuc-the/viporder-logistics.md.
   Màu: xanh than đậm làm nền uy tín + vàng kim lấy từ logo chuẩn
   (production/assets/logo-vip-order/), không đặt bảng màu mới.
   ============================================================ */

:root {
  --than: #0f1b2d;        /* nền tối chính — xanh than */
  --than-nhat: #17263d;   /* khối tối phụ */
  --vang: #edb61a;        /* vàng kim từ logo */
  --vang-sang: #f9d348;
  --cam: #ee8a3c;         /* cam từ chữ VIP ORDER trên logo */
  --trang: #ffffff;
  --kem: #fbf7ec;         /* nền sáng ấm cho khối xen kẽ */
  --chu: #22303f;
  --chu-nhat: #5b6b7c;
  --vien: #e4e8ee;
  --khung: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--chu);
  background: var(--trang);
  line-height: 1.7;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--cam); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; color: var(--than); font-weight: 700; }
h2 { font-size: clamp(26px, 3.2vw, 36px); margin-bottom: 18px; }
h3 { font-size: 21px; margin-bottom: 8px; }
p { margin-bottom: 14px; }
strong { color: var(--than); }
.khung { max-width: var(--khung); margin: 0 auto; padding: 0 20px; }
.nhan-muc {
  display: inline-block; font-size: 13px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--cam); font-weight: 700; margin-bottom: 10px;
}
.dan { color: var(--chu-nhat); font-size: 18px; max-width: 720px; }

/* ===== Nút ===== */
.nut, .nut-vien, .nut-tam {
  display: inline-block; padding: 13px 26px; border-radius: 8px; font-weight: 700;
  font-size: 16px; text-decoration: none !important; transition: transform .15s, background .15s;
}
.nut { background: var(--vang); color: var(--than); }
.nut:hover { background: var(--vang-sang); transform: translateY(-1px); }
.nut-vien { border: 2px solid var(--vang); color: var(--vang); }
.nut-vien:hover { background: rgba(237,182,26,.12); }
.nut-tam { border: 2px solid var(--than); color: var(--than); }
.nut-tam:hover { background: var(--than); color: var(--trang); }
.hang-nut { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* ===== Đầu trang ===== */
header.dau-trang {
  background: var(--than); position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.dau-trang-trong {
  max-width: var(--khung); margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.thuong-hieu { display: flex; align-items: center; gap: 12px; color: var(--trang); text-decoration: none !important; }
.thuong-hieu img { width: 52px; height: 52px; border-radius: 10px; background: #fff; padding: 4px; }
.thuong-hieu b { font-size: 18px; letter-spacing: .5px; display: block; line-height: 1.1; }
.thuong-hieu small { font-size: 12px; color: #b9c3d0; display: block; }
nav.menu { display: flex; gap: 4px; flex-wrap: wrap; }
nav.menu a {
  color: #d8dee7; padding: 8px 12px; border-radius: 6px; font-size: 15px; font-weight: 600;
  text-decoration: none !important;
}
nav.menu a:hover, nav.menu a.hien-tai { color: var(--vang); background: rgba(255,255,255,.06); }
nav.menu a.goi { background: var(--vang); color: var(--than); }
nav.menu a.goi:hover { background: var(--vang-sang); }
.mo-menu { display: none; background: none; border: 1px solid #3a4a60; color: #fff; padding: 8px 12px; border-radius: 6px; font-size: 15px; }

/* ===== Khối mở đầu ===== */
.hero {
  background: linear-gradient(rgba(15,27,45,.82), rgba(15,27,45,.92)), url("anh/doi-xe-truoc-kho.jpg") center/cover no-repeat;
  color: var(--trang); padding: 84px 0 72px;
}
.hero h1 { color: var(--trang); font-size: clamp(30px, 4.6vw, 52px); margin-bottom: 16px; max-width: 820px; }
.hero h1 span { color: var(--vang); }
.hero .dan { color: #d5dce5; font-size: 19px; }
.hero .dong-nho { color: #b9c3d0; font-size: 15px; margin-top: 26px; }
.hero .dong-nho b { color: var(--vang); }

/* ===== Dải số liệu ===== */
.dai-so { background: var(--vang); color: var(--than); }
.dai-so .khung { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 8px 24px; padding: 22px 20px; }
.dai-so div { text-align: center; }
.dai-so b { display: block; font-size: 30px; line-height: 1.1; }
.dai-so span { font-size: 14px; font-weight: 600; opacity: .85; }

/* ===== Khối chung ===== */
section.khoi { padding: 72px 0; }
section.khoi.kem { background: var(--kem); }
section.khoi.toi { background: var(--than); color: #d5dce5; }
section.khoi.toi h2, section.khoi.toi h3 { color: var(--trang); }
section.khoi.toi strong { color: var(--vang); }
.hai-cot { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: center; }
.hai-cot img { border-radius: 12px; box-shadow: 0 14px 40px rgba(15,27,45,.18); }
.luoi-the { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 30px; }
.the {
  background: var(--trang); border: 1px solid var(--vien); border-radius: 12px; padding: 26px 24px;
  box-shadow: 0 4px 16px rgba(15,27,45,.05);
}
.the .bieu-tuong { font-size: 30px; margin-bottom: 10px; }
.the p { color: var(--chu-nhat); margin-bottom: 0; font-size: 16px; }
.the.chinh { border-top: 5px solid var(--vang); }
.the h3 a { color: var(--than); }

/* Bảng */
table.bang { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 16px; background: var(--trang); }
table.bang th, table.bang td { padding: 12px 14px; border: 1px solid var(--vien); text-align: left; vertical-align: top; }
table.bang th { background: var(--than); color: var(--trang); font-weight: 600; }
table.bang tr:nth-child(even) td { background: #f7f8fa; }
.cuon { overflow-x: auto; }

/* Quy trình */
ol.quy-trinh { list-style: none; counter-reset: b; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; margin-top: 26px; }
ol.quy-trinh li { counter-increment: b; background: var(--trang); border: 1px solid var(--vien); border-radius: 12px; padding: 22px 22px 18px 22px; position: relative; }
ol.quy-trinh li::before {
  content: counter(b); position: absolute; top: -14px; left: 18px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--vang); color: var(--than); font-weight: 800; display: flex; align-items: center; justify-content: center;
}
ol.quy-trinh h3 { font-size: 18px; margin-top: 4px; }
ol.quy-trinh p { margin: 0; color: var(--chu-nhat); font-size: 15px; }

/* Khối ranh giới */
.ranh-gioi { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.ranh-gioi > div { border-radius: 12px; padding: 24px; }
.ranh-gioi .lam { background: rgba(237,182,26,.12); border: 1px solid rgba(237,182,26,.45); }
.ranh-gioi .khong { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.12); }
.ranh-gioi ul { padding-left: 20px; margin: 8px 0 0; }
.ranh-gioi li { margin-bottom: 6px; }

/* Ảnh lưới */
.anh-luoi { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 26px; }
.anh-luoi figure { margin: 0; }
.anh-luoi img { border-radius: 10px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.anh-luoi figcaption { font-size: 14px; color: var(--chu-nhat); margin-top: 6px; }

/* Trích dẫn */
.trich { border-left: 5px solid var(--vang); padding: 6px 0 6px 22px; font-size: 22px; color: var(--than); font-style: italic; margin: 26px 0; }
.trich cite { display: block; font-style: normal; font-size: 15px; color: var(--chu-nhat); margin-top: 6px; }

/* FAQ */
details.hoi { border-bottom: 1px solid var(--vien); padding: 14px 0; }
details.hoi summary { cursor: pointer; font-weight: 700; color: var(--than); font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.hoi summary::after { content: "+"; color: var(--cam); font-size: 22px; }
details.hoi[open] summary::after { content: "−"; }
details.hoi p { margin: 10px 0 0; color: var(--chu-nhat); }

/* Kêu gọi */
.keu-goi { background: linear-gradient(135deg, var(--than), #1f3350); color: var(--trang); padding: 64px 0; text-align: center; }
.keu-goi h2 { color: var(--trang); }
.keu-goi p { color: #cfd7e2; max-width: 680px; margin: 0 auto 8px; }
.keu-goi .hang-nut { justify-content: center; }

/* Tiêu đề trang con */
.dau-trang-con { background: var(--than); color: var(--trang); padding: 56px 0 44px; }
.dau-trang-con h1 { color: var(--trang); font-size: clamp(28px, 4vw, 42px); margin-bottom: 10px; }
.dau-trang-con p { color: #c9d2de; max-width: 720px; margin: 0; font-size: 18px; }
.duong-dan { font-size: 14px; color: #9aa7b8; margin-bottom: 14px; }
.duong-dan a { color: #c9d2de; }

/* Nội dung dài */
.van-ban { max-width: 780px; }
.van-ban h2 { margin-top: 36px; }
.van-ban ul, .van-ban ol { padding-left: 24px; margin-bottom: 16px; }
.van-ban li { margin-bottom: 6px; }
.chu-thich { font-size: 14px; color: var(--chu-nhat); border-top: 1px solid var(--vien); padding-top: 12px; margin-top: 30px; }

/* Liên hệ */
.lien-he-luoi { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.o-lien-he { background: var(--kem); border-radius: 12px; padding: 28px; }
.o-lien-he dt { font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--chu-nhat); margin-top: 16px; }
.o-lien-he dd { font-size: 19px; font-weight: 700; color: var(--than); }
.o-lien-he dd a { color: var(--than); }

/* Chân trang */
footer.chan-trang { background: #0a1220; color: #aeb8c6; padding: 48px 0 24px; font-size: 15px; }
.chan-trang-trong { max-width: var(--khung); margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; }
footer h4 { color: var(--trang); font-size: 16px; margin-bottom: 12px; }
footer a { color: #d8dee7; }
footer ul { list-style: none; }
footer li { margin-bottom: 6px; }
.chan-cuoi { max-width: var(--khung); margin: 30px auto 0; padding: 18px 20px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: #7f8b9a; }

/* Nút gọi nổi trên điện thoại */
.goi-noi { display: none; position: fixed; right: 16px; bottom: 16px; z-index: 60; gap: 10px; }
.goi-noi a { width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; box-shadow: 0 6px 20px rgba(0,0,0,.25); text-decoration: none !important; }
.goi-noi .dt { background: var(--vang); }
.goi-noi .zl { background: #0068ff; color: #fff; font-size: 15px; font-weight: 800; }

@media (max-width: 860px) {
  .hai-cot, .ranh-gioi, .lien-he-luoi, .chan-trang-trong { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 52px; }
  nav.menu { display: none; width: 100%; flex-direction: column; }
  nav.menu.mo { display: flex; }
  .dau-trang-trong { flex-wrap: wrap; }
  .mo-menu { display: inline-block; }
  .goi-noi { display: flex; }
  section.khoi { padding: 52px 0; }
}