:root {
  --navy: #0d385b;
  --navy-dark: #0a2c47;
  --green: #2f6a12;
  --green-dark: #245209;
  --green-badge: #3aa96a;
  --green-light-1: #c8e9b4;
  --green-light-2: #dbf4d6;
  --orange: #ff6600;
  --topbar-bg: #ececec;
  --text-dark: #2a2a2a;
  --text-gray: #555;
  --white: #ffffff;
  --radius-lg: 14px;
  --radius-md: 10px;
  --container: 1240px;
}

* {
  box-sizing: border-box;
}


img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Logo DSCool dùng thay cho badge tự vẽ - lấy đúng file gốc trong tài liệu mô tả */
.badge-logo {
  display: block;
  height: 56px;
  width: auto;
  margin-bottom: 18px;
}

.section-heading {
  font-size: 34px;
  font-weight: 800;
  color: var(--green);
  margin: 0 0 6px;
  letter-spacing: 0.5px;
}

.section-subheading {
  font-size: 17px;
  font-weight: 700;
  color: var(--green-dark);
  margin: 0 0 34px;
  letter-spacing: 0.3px;
}

/* ============== TOPBAR ============== */
.topbar {
  background: var(--topbar-bg);
  font-size: 14px;
  color: #444;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar-contact {
  display: flex;
  align-items: center;
  gap: 22px;
}
.topbar-contact span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.topbar-social {
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar-social a {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #333;
}
.topbar-social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.icon-sm {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ============== NAVBAR ============== */
.navbar {
  border-bottom: 1px solid #eee;
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img {
  height: 46px;
  width: auto;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.nav-menu a {
  font-weight: 700;
  font-size: 15px;
  color: #333;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--navy);
  border-color: var(--navy);
}
.nav-menu a.new-item {
  color: var(--green-badge);
}
.nav-menu a.new-item:hover {
  color: var(--green);
  border-color: var(--green);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid #ddd;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #333;
  background: var(--white);
}
.nav-icon-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}
.lang-select {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 9px 12px;
  cursor: pointer;
  background: var(--white);
}
.btn-quote {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-quote:hover {
  background: var(--navy-dark);
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle svg {
  width: 28px;
  height: 28px;
}

/* ============== HERO BANNER ============== */
/* Banner dựng bằng ảnh nền (gradient xanh) + ảnh tuyết phủ + logo + chữ HTML thật,
   không dùng ảnh phẳng đã in sẵn chữ, để dễ chỉnh sửa nội dung sau này */
.hero {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1440 / 810;
  background: linear-gradient(135deg, #4c7a41 0%, #5ec13c 60%, #a9cf9c 100%);
}
.hero-bg,
.hero-snow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg {
  z-index: 1;
}
.hero-snow {
  z-index: 2;
  pointer-events: none;
}
.hero-logo {
  position: absolute;
  top: 0;
  left: 0;
  width: 17%;
  z-index: 3;
}
.hero-text {
  position: absolute;
  left: 0;
  top: 50%;
  z-index: 3;
  text-align: center;
  transform: translateY(-50%);
  width: 100%;
  margin: 0;
  color: var(
  --white);
  font-family: "Times New Roman", serif;
  font-weight: 700;
  font-size: 7rem;
  line-height: 1.18;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.28);
}
.hero-text span {
  display: block;
}

/* ============== FEATURES SECTION ============== */
.features {
  background: linear-gradient(135deg, var(--green-light-1) 0%, var(--green-light-2) 100%);
  padding: 60px 0;
}
.features-header {
  text-align: left;
  margin-bottom: 30px;
}
.feature-row {
  display: grid;
  grid-template-columns: 46px 1fr 300px;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
}
.feature-row + .feature-row {
  border-top: 1px solid rgba(255, 255, 255, 0.35);
}
.feature-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-icon svg {
  width: 36px;
  height: 36px;
}
.feature-text h3 {
  font-size: 25px;
  font-weight: 800;
  color: var(--green-dark);
  margin: 0 0 8px;
}
.feature-text p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 18px;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
}
.feature-photo img {
  border-radius: var(--radius-md);
  width: 100%;
  height: 140px;
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

/* ============== PRODUCTS & SERVICES ============== */
.services {
  background: var(--white);
  padding: 60px 0;
}
.services-header {
  margin-bottom: 36px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.service-card h3 {
  color: var(--green);
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 14px;
  min-height: 48px;
}
.service-card p {
  color: var(--text-gray);
  font-size: 14.5px;
  margin: 0 0 20px;
}
.service-card img {
  border-radius: var(--radius-md);
  width: 100%;
  height: 220px;
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

/* ============== SPECS SECTION ============== */
.specs {
  background: linear-gradient(180deg, #eef8ea 0%, #ffffff 100%);
  padding: 60px 0;
}
.specs-intro {
  align-items: flex-start;
  max-width: 980px;
}
.specs-intro .feature-icon {
  flex-shrink: 0;
  margin-top: 2px;
}
.specs-intro h3 {
  color: var(--green-dark);
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 10px;
}
.specs-intro p {
  color: var(--text-gray);
  font-size: 15px;
  margin: 0 0 14px;
}

/* ============== PRODUCT GRID ============== */
.products {
  background: #f7faf6;
  padding: 60px 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 26px;
  margin-top: 10px;
}
.product-card {
  background: var(--white);
  border: 1px solid #e3e3e3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.product-card:hover {
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}
.product-card .product-photo {
  /* height: 190px; */
  overflow: hidden;
  border-bottom: 1px solid #eee;
}
.product-card .product-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card .product-body {
  padding: 16px 18px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card h4 {
  text-align: center;
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eee;
}
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 10px;
  font-size: 13.5px;
  color: var(--text-gray);
  margin-bottom: 18px;
}
.product-specs div span {
  display: block;
  font-weight: 700;
  color: var(--text-dark);
}
.product-actions {
  margin-top: auto;
  display: flex;
  gap: 10px;
}
.btn-cart,
.btn-buy {
  flex: 1;
  border: none;
  border-radius: 8px;
  padding: 11px 8px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}
.btn-cart {
  background: #1a1a1a;
  color: var(--white);
}
.btn-cart:hover {
  background: #000;
}
.btn-buy {
  background: var(--navy);
  color: var(--white);
}
.btn-buy:hover {
  background: var(--navy-dark);
}

/* ============== COMPANY INFO ============== */
.company {
  background: var(--white);
  padding: 60px 0;
}
.company-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.company-photo img {
  border-radius: 0 220px 220px 0;
  width: 100%;
  height: 340px;
  object-fit: cover;
}
.company-info h2 {
  color: var(--green);
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 22px;
}
.company-info ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 16px;
}
.company-info ul li strong {
  color: var(--green-dark);
  margin-right: 4px;
}
.company-info .info-icon {
  width: 26px;
  height: 26px;
  fill: #d21b1b;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============== FOOTER ============== */
.site-footer {
  background: var(--navy);
  color: #cfd9e2;
  padding: 50px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
  gap: 30px;
  padding-bottom: 40px;
}
.footer-logo img {
  height: 40px;
  margin-bottom: 18px;
}
.footer-about p {
  font-size: 14px;
  color: #b9c6d2;
  margin: 0 0 18px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid #37536b;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #cfd9e2;
}
.footer-social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.site-footer h4 {
  color: var(--white);
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 18px;
}
.footer-links li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  color: #cfd9e2;
}
.footer-links li svg {
  width: 12px;
  height: 12px;
  fill: #8fa6bb;
  flex-shrink: 0;
}
.footer-newsletter p {
  font-size: 14px;
  color: #b9c6d2;
  margin: 0 0 16px;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.newsletter-form input {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid #37536b;
  background: #143a5c;
  color: var(--white);
  font-size: 14px;
}
.newsletter-form input::placeholder {
  color: #9fb2c3;
}
.newsletter-form button {
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
}
.newsletter-form button:hover {
  background: #e65c00;
}
.footer-fanpage .fb-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #143a5c;
  border: 1px solid #37536b;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 14px;
  font-weight: 700;
  color: var(--white);
  font-size: 14px;
}
.footer-fanpage .fb-box svg {
  width: 18px;
  height: 18px;
  fill: #1877f2;
}
.footer-map {
  border-radius: 8px;
  overflow: hidden;
  height: 140px;
  border: 1px solid #37536b;
  background: #143a5c;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 12px;
}
.footer-map svg {
  width: 30px;
  height: 30px;
  fill: #6fa8dc;
}
.footer-map span {
  font-size: 13px;
  font-weight: 700;
  color: #cfe0ef;
}
.footer-map:hover span {
  color: var(--white);
}
.footer-bottom {
  border-top: 1px solid #1c4870;
  padding: 18px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #9fb2c3;
}
.footer-bottom-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

/* ============== RESPONSIVE ============== */
@media (max-width: 992px) {
  .feature-row {
    grid-template-columns: 40px 1fr;
  }
  .feature-photo {
    grid-column: 1 / -1;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }
  .company-inner {
    grid-template-columns: 1fr;
  }
  .company-photo img {
    border-radius: 20px;
    height: 260px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 20px 20px;
    border-bottom: 1px solid #eee;
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid #f2f2f2;
  }
  .nav-actions .lang-select span.lang-text {
    display: none;
  }
  .btn-quote {
    padding: 10px 12px;
    font-size: 12.5px;
  }
  .nav-search-btn {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .topbar-contact span.hide-mobile {
    display: none;
  }
  .section-heading {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}