:root {
  --red: #e60012;
  --blue: #0a4d9e;
  --dark: #101828;
  --gray: #5b6b82;
  --light: #f4f7fb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "Segoe UI", Arial, "Helvetica Neue", sans-serif; color: var(--dark); line-height: 1.6; background: #fff; }
img { max-width: 100%; display: block; }
.container { width: min(1140px, 92%); margin: 0 auto; }

/* Header */
.header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 12px rgba(16,24,40,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 26px; font-weight: 800; font-style: italic; color: var(--red); text-decoration: none; letter-spacing: 1px; }
.reg { font-size: .5em; vertical-align: super; font-style: normal; }
.nav { display: flex; gap: 26px; }
.nav a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--red); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-btn { background: var(--blue); color: #fff; border: none; padding: 8px 16px; border-radius: 6px; font-weight: 700; cursor: pointer; font-size: 14px; }
.lang-btn:hover { background: var(--red); }
.burger { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; }
.burger span { width: 24px; height: 3px; background: var(--dark); border-radius: 2px; }

/* Hero */
.hero { position: relative; min-height: 78vh; display: flex; align-items: center; background: url('images/truck.jpg') center/cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,20,40,.85), rgba(10,20,40,.35)); }
.hero-content { position: relative; color: #fff; padding: 80px 0; }
.hero-sub { display: inline-block; background: var(--red); padding: 4px 14px; border-radius: 4px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: 13px; margin-bottom: 16px; }
.hero h1 { font-size: clamp(48px, 8vw, 84px); font-style: italic; letter-spacing: 2px; }
.hero h2 { font-size: clamp(22px, 3.4vw, 34px); font-weight: 600; margin: 8px 0 18px; }
.hero-desc { max-width: 560px; font-size: 17px; color: #dbe4f0; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 30px; border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 15px; transition: .2s; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: #c2000f; }
.btn-outline { border: 2px solid #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--dark); }

/* Sections */
.section { padding: 80px 0; }
.about { background: var(--light); }
.section-title { font-size: clamp(26px, 4vw, 36px); margin-bottom: 30px; position: relative; padding-left: 18px; }
.section-title::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 6px; background: var(--red); border-radius: 3px; }
.section-title.center { text-align: center; padding-left: 0; }
.section-title.center::before { left: 50%; transform: translateX(-50%); }

.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; align-items: start; }
.about-img img { border-radius: 12px; box-shadow: 0 12px 30px rgba(16,24,40,.18); }
.about-img-caption { margin-top: 10px; font-size: 13px; color: var(--gray); text-align: center; }
.about-text p { margin-bottom: 14px; color: #33415c; }

/* S-Series lineup */
.series-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-bottom: 52px; }
.series-card { border: 1px solid #e6ebf2; border-radius: 12px; padding: 18px 14px 20px; text-align: center; background: #fff; box-shadow: 0 6px 18px rgba(16,24,40,.06); transition: transform .2s; }
.series-card:hover { transform: translateY(-5px); }
.series-card img { width: 100%; max-width: 150px; margin: 0 auto 10px; }
.series-card h4 { font-size: 20px; color: var(--red); margin-bottom: 2px; }
.series-card p { font-size: 12.5px; color: var(--gray); margin-bottom: 10px; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.tag-full { background: #e3f4e8; color: #1a7a3c; }
.tag-semi { background: #fff3d6; color: #9a6b00; }
@media (max-width: 900px) { .series-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .series-grid { grid-template-columns: repeat(2, 1fr); } }

/* Products */
.product-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-bottom: 46px; }
.product-card { border: 1px solid #e6ebf2; border-radius: 12px; overflow: hidden; background: #fff; box-shadow: 0 6px 18px rgba(16,24,40,.06); transition: transform .2s; }
.product-card:hover { transform: translateY(-5px); }
.product-img { height: 170px; background-size: cover; background-position: center; }
.product-card h3 { padding: 16px 20px 4px; font-size: 19px; }
.product-card > p { padding: 0 20px; font-size: 14px; color: var(--gray); }
.product-card ul { list-style: none; padding: 12px 20px 20px; }
.product-card li { font-size: 14px; padding: 4px 0 4px 18px; position: relative; }
.product-card li::before { content: "▸"; position: absolute; left: 0; color: var(--red); }

.tables { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.table-block h3 { margin-bottom: 12px; font-size: 18px; color: var(--blue); }
.table-block table { width: 100%; border-collapse: collapse; font-size: 14px; box-shadow: 0 4px 14px rgba(16,24,40,.06); border-radius: 8px; overflow: hidden; }
.table-block th { background: var(--blue); color: #fff; text-align: left; padding: 10px 12px; }
.table-block td { padding: 9px 12px; border-bottom: 1px solid #eef2f7; }
.table-block tr:nth-child(even) td { background: var(--light); }

/* Advantages */
.advantages { background: var(--dark); color: #fff; }
.advantages .section-title { color: #fff; }
.adv-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv-card { background: #1a2436; border-radius: 12px; padding: 26px 22px; border-top: 4px solid var(--red); }
.adv-num { font-size: 30px; font-weight: 800; color: var(--red); margin-bottom: 8px; }
.adv-card h3 { font-size: 17px; margin-bottom: 8px; }
.adv-card p { font-size: 14px; color: #b6c2d4; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
.contact-line { margin-bottom: 12px; }
.contact a { color: var(--blue); font-weight: 600; }
.contact-img img { border-radius: 12px; box-shadow: 0 12px 30px rgba(16,24,40,.18); }

.atf-grid { grid-template-columns: repeat(5, 1fr); }
.tag-brake { background: #e3edf9; color: var(--blue); }
.contact-tags { display: inline-flex; gap: 8px; margin-left: 8px; vertical-align: middle; }
.chip { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 700; text-decoration: none; }
.chip-wa { background: #25D366; color: #fff; }
.chip-wa:hover { background: #1eb957; }
.chip-wx { background: #07C160; color: #fff; }
.chip-wx:hover { background: #06ad56; }
.contact-note { font-size: 13px; color: var(--gray); margin-top: 4px; }

/* Footer */
.footer { background: #0b1220; color: #8fa0b8; text-align: center; padding: 30px 0; font-size: 14px; }
.footer-logo { color: var(--red); font-size: 24px; font-weight: 800; font-style: italic; margin-bottom: 8px; }

/* Responsive */
@media (max-width: 900px) {
  .about-grid, .contact-grid, .tables { grid-template-columns: 1fr; }
  .product-cards { grid-template-columns: 1fr; }
  .adv-cards { grid-template-columns: repeat(2, 1fr); }
  .nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 18px 6%;
    box-shadow: 0 12px 20px rgba(16,24,40,.1); gap: 14px;
  }
  .nav.open { display: flex; }
  .burger { display: flex; }
}
@media (max-width: 520px) {
  .adv-cards { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}