/* ============================================
   SAIM INNOTECH FARMS — style.css
   ============================================ */

/* ===========================================
   1. CSS VARIABLES
   =========================================== */
:root {
  --green-dark:   #1a3a1a;
  --green-mid:    #2d5a27;
  --green-accent: #4a8c3f;
  --green-light:  #6db85c;
  --red-brand:    #c0392b;
  --navy:         #1a2744;
  --navy-light:   #243259;
  --white:        #ffffff;
  --gray-light:   #f5f5f5;
  --gray-mid:     #e8e8e8;
  --text-dark:    #1a1a1a;
  --text-mid:     #444444;
  --text-light:   #777777;
}


/* ===========================================
   2. RESET
   =========================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  overflow-x: hidden;
}

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

a { text-decoration: none; }


/* ===========================================
   3. NAVBAR
   =========================================== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 68px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: box-shadow 0.3s;
}

nav.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: none;
  /* fallback: ถ้าเปลี่ยนจากรูปเป็นข้อความ */
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 900;
  color: white;
}

.logo-text .brand-top {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  font-weight: 900;
  color: var(--red-brand);
  line-height: 1;
  letter-spacing: 1px;
}

.logo-text .brand-sub {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.5px;
}

/* Nav links */
.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-links a {
  font-family: 'Inter', 'Noto Sans Thai', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dark);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green-accent);
  border-bottom-color: var(--green-accent);
}

/* Nav right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Quote button */
.quote-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--navy);
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: background 0.2s;
}

.quote-btn:hover { background: var(--green-mid); }


/* ===========================================
   4. LANGUAGE SWITCHER
   =========================================== */
.lang-switcher { position: relative; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--gray-mid);
  background: var(--gray-light);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.lang-btn:hover { background: var(--gray-mid); }

.lang-caret {
  font-size: 10px;
  transition: transform 0.2s;
}

.lang-switcher:has(.lang-dropdown.open) .lang-caret {
  transform: rotate(180deg);
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 999;
  min-width: 150px;
  background: white;
  border: 1px solid var(--gray-mid);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  overflow: hidden;
}

.lang-dropdown.open { display: block; }

.lang-option {
  display: block;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
  transition: background 0.15s;
}

.lang-option:hover { background: var(--gray-light); }

.lang-option.active {
  color: var(--green-accent);
  font-weight: 700;
  background: rgba(74,140,63,0.06);
}


/* ===========================================
   5. BUTTONS
   =========================================== */
.btn-primary,
.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: white;
  padding: 14px 28px;
  border-radius: 4px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover,
.btn-dark:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: white;
  padding: 14px 28px;
  border-radius: 4px;
  border: 2px solid rgba(255,255,255,0.7);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: border-color 0.2s, background 0.2s;
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.15);
}

.btn-view {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy);
  color: white;
  padding: 9px 18px;
  border-radius: 3px;
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background 0.2s;
}

.btn-view:hover { background: var(--green-mid); }


/* ===========================================
   6. SECTION COMMON
   =========================================== */
.section-label {
  font-family: 'Inter', 'Noto Sans Thai', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--green-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-light);
  margin-top: -8px;
}


/* ===========================================
   7. HERO
   =========================================== */
.hero {
  margin-top: 68px;
  min-height: 600px;
  position: relative;
  padding: 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(26,55,26,0.88) 40%, rgba(0,0,0,0.3) 100%),
    url('src/Images/หน้าอาคาร01.png') center/cover no-repeat;
}

.hero-content {
  max-width: 520px;
  position: relative;
  z-index: 2;
  animation: fadeInUp 0.8s ease both;
}

.hero-welcome {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--green-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 64px;
  font-weight: 900;
  color: var(--red-brand);
  line-height: 0.95;
  letter-spacing: 2px;
}

.hero h1 .brand-line2 {
  display: block;
  color: white;
  font-size: 48px;
  letter-spacing: 3px;
}

.hero-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin: 16px 0 12px;
  letter-spacing: 0.5px;
}

.hero p {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}


/* ===========================================
   8. CERT BAR
   =========================================== */
.cert-bar {
  position: relative;
  z-index: 5;
  margin: 0 25px;
  padding: 24px 80px;
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 18px 8px rgba(0,0,0,0.10);
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cert-icon {
  width: 52px;
  height: 52px;
  border: 2px solid var(--green-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--green-accent);
  flex-shrink: 0;
  transition: background 0.3s;
}

.cert-icon img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
}

.cert-item:hover .cert-icon {
  background: var(--green-accent);
  color: white;
}

.cert-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.cert-desc {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}


/* ===========================================
   9. ABOUT
   =========================================== */
.about {
  padding: 90px 80px;
  background: white;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img {
  position: relative;
  height: 420px;
  border-radius: 8px;
  overflow: hidden;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-img:hover img { transform: scale(1.04); }

.about-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,90,39,0.2) 0%, transparent 60%);
  pointer-events: none;
}

.about-text {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 32px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  font-weight: 900;
  color: var(--navy);
}

.stat-num span { color: var(--green-accent); }

.stat-label {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.4;
  margin-top: 4px;
}


/* ===========================================
   10. PRODUCTS
   =========================================== */
.products {
  padding: 60px 80px;
  background: var(--gray-light);
  text-align: center;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.product-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.product-img {
  height: 180px;
  background: var(--gray-mid);
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.product-card:hover .product-img img { transform: scale(1.06); }

.product-info { padding: 20px 16px; }

.product-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 16px;
}


/* ===========================================
   11. WHY CHOOSE US
   =========================================== */
.why {
  padding: 40px 55px 55px;
  background: var(--navy);
  text-align: center;
}

.why .section-label { color: var(--green-light); }
.why .section-title { color: white; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.why-item { padding: 0 10px; }

.why-icon {
  width: 56px;
  height: 56px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--green-light);
  transition: background 0.3s, border-color 0.3s;
}

.why-item:hover .why-icon {
  background: var(--green-mid);
  border-color: var(--green-light);
}

.why-item h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.why-item p {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}


/* ===========================================
   12. FOOTER
   =========================================== */
footer {
  padding: 60px 80px 30px;
  background: var(--green-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-logo-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.footer-logo-text .brand-top {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: var(--red-brand);
  line-height: 1;
}

.footer-logo-text .brand-sub {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
}

.footer-brand p {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

.footer-col h5 {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--green-accent);
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 8px; }

.footer-col ul li a {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.footer-col ul li a:hover { color: var(--green-light); }

.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

.footer-contact-item .icon {
  color: var(--green-light);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}


/* ===========================================
   13. ANIMATIONS
   =========================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ===========================================
   14. RESPONSIVE — TABLET (max-width: 1024px)
   =========================================== */
@media (max-width: 1024px) {

  /* Navbar: แยก 2 แถว — row1: logo + buttons, row2: nav links */
  #navbar {
    height: auto;
    min-height: 68px;
    padding: 10px 20px;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
  }
 
  .nav-logo {
    order: 1;
    gap: 8px;
    flex-shrink: 0;
  }
 
  .logo-icon img        { width: 44px; height: 44px; }
  .logo-text .brand-top { font-size: 18px; letter-spacing: 0.5px; }
  .logo-text .brand-sub { font-size: 9px; }
 
  .nav-right {
    order: 2;
    margin-left: auto;
    gap: 10px;
  }
 
  .lang-btn  { padding: 6px 10px; font-size: 10px; }
  .quote-btn { padding: 8px 14px; font-size: 10px; letter-spacing: 0.3px; white-space: nowrap; }
 
  /* nav-links เต็มแถวล่าง มีเส้นกั้น */
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 20px;
    padding: 8px 0 6px;
    margin: 0;
    border-top: 1px solid var(--gray-mid);
  }
 
  .nav-links a {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2px;
    white-space: nowrap;
  }
 
  /* Hero: ดัน margin-top ให้พ้น navbar 2 แถว */
  .hero {
    margin-top: 108px;
    padding: 60px 48px;
  }
 
  .hero h1              { font-size: 58px; }
  .hero h1 .brand-line2 { font-size: 46px; }
  .hero p               { font-size: 15px; max-width: 520px; }
 
  /* Cert bar: 3 คอลัมน์ → แถวบน 3 ไอคอน, แถวล่าง 2 ไอคอนจัดกลาง */
  .cert-bar {
    margin: 0 20px;
    padding: 20px 26px;
    display: flex;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 14px;
    
  }
  .cert-item       { gap: 12px; flex: 1; }
  .cert-icon       { width: 44px; height: 44px; font-size: 17px; }
  .cert-icon img   { width: 32px; height: 32px; }
  .cert-title      { font-size: 10px; }
  .cert-desc       { font-size: 8px; }
 
  .about          { padding: 70px 40px; gap: 40px; }
 
  .products       { padding: 60px 40px; }
  .products-grid  { grid-template-columns: repeat(3, 1fr); }
 
  .why            { padding: 40px 40px 55px; }
  .why-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 28px;
    margin-top: 48px;
  }
  .why-item       { flex: 0 0 calc(33.333% - 28px); max-width: 220px; padding: 0 6px; }
  .why-item p     { font-size: 10px; }

  footer          { padding: 60px 40px 30px; }
  .footer-grid    { grid-template-columns: repeat(4, 1fr);/* col 4 อัน */ gap: 24px 20px; }
  .footer-brand {
    grid-column: 1 / -1;   /* เต็มแถว บนสุด */
    display: block;
    align-items: flex-start;
    gap: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    margin-bottom: 8px;
  }
  .footer-brand p { max-width: 400px; margin-top: 8px; }

}



/* ===========================================
   15. RESPONSIVE — MOBILE (max-width: 925px)
   =========================================== */
@media (max-width: 925px) {

  #navbar {
    padding: 10px 16px;
    min-height: 68px;
    justify-content: space-between;
  }

  /* Dropdown menu */
  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    z-index: 999;
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 20px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  }

  .nav-links.open,
  .nav-links.active { display: flex; }

  .logo-icon img { width: 46px; height: 46px; }

  .logo-text .brand-top { font-size: 13px; }
  .logo-text .brand-sub { font-size: 8px; }

  .nav-right { margin-left: auto; gap: 12px; }

  .lang-btn  { padding: 6px 10px; font-size: 10px; min-height: 36px; border-radius: 6px; }
  .quote-btn { padding: 8px 12px; font-size: 10px; min-height: 36px; border-radius: 6px; white-space: nowrap; }

  .hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-left: 12px;
  }

  .hamburger span { width: 22px; }

  .hero { margin-top: 60px; padding: 48px 20px; min-height: auto; }
  .hero h1 { font-size: 40px; }
  .hero h1 .brand-line2 { font-size: 30px; }
  .hero-tagline { font-size: 14px; }
  .hero p { font-size: 13px; }
  .hero-btns { flex-direction: column; gap: 12px; }

  .btn-primary,
  .btn-outline { width: 50%; justify-content: center; }

  .cert-bar { margin: 0 12px; padding: 20px 16px; gap: 25px; }
  .cert-item { width: calc(33.333% - 25px); }

  .about { padding: 40px 20px; grid-template-columns: 1fr; gap: 28px; }
  .about-img { height: 200px; }
  .section-title { font-size: 26px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .products { padding: 48px 20px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  .why { padding: 40px 20px 48px; }
  .why-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
  }
  .why-item { width: calc(33.333% - 16px); min-width: 120px; }
  .why-item h4,
  .why-item p { font-size: 10px; }

  footer { padding: 48px 20px 24px; }
  .footer-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
  .footer-brand { grid-column: 1 / -1; }
}



/* ===========================================
   16. RESPONSIVE — SMALL MOBILE (max-width: 480px)
   =========================================== */
@media (max-width: 480px) {

  .logo-icon img { width: 48px; height: 48px; }
  .logo-text .brand-top { font-size: 12px; }
  .logo-text .brand-sub { font-size: 8px; letter-spacing: 0.8px; }

  .nav-right { gap: 12px; }

  .lang-btn  { padding: 4px 8px; font-size: 8px; gap: 6px; min-height: 32px; border-radius: 6px; }
  .lang-caret { font-size: 8px; }
  .quote-btn { padding: 8px 10px; font-size: 8px; gap: 6px; min-height: 28px; border-radius: 5px; letter-spacing: 0.2px; }

  .hamburger { margin-left: 8px; }
  .hamburger span { width: 22px; }

  .hero { padding: 28px 16px 32px; }
  .hero h1 { font-size: 26px; }
  .hero h1 .brand-line2 { font-size: 20px; }
  .hero-welcome { font-size: 11px; letter-spacing: 1.5px; }
  .hero-tagline { font-size: 12px; margin: 10px 0 8px; }
  .hero p { font-size: 12px; margin-bottom: 20px; }
  .hero-btns { gap: 10px; margin-top: 18px; align-items: flex-start; }

  .btn-primary,
  .btn-outline {
    padding: 8px 10px;
    font-size: 10px;
    gap: 6px;
    border-radius: 6px;
    width: auto;
    min-width: 170px;
    min-height: 38px;
  }

  .btn-primary { letter-spacing: 0.4px; }
  .btn-outline  { border-width: 1.5px; }
  .btn-dark     { font-size: 10px; padding: 10px 16px; }

  .cert-bar { margin: 0 8px; padding: 16px 8px; gap: 16px 8px; border-radius: 8px; }
  .cert-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: calc(33.333% - 12px);
  }
  .cert-icon { width: 40px; height: 40px; font-size: 16px; }
  .cert-icon img { width: 28px; height: 28px; }
  .cert-title { font-size: 9px; letter-spacing: 0; }
  .cert-desc  { font-size: 7px; margin-top: 2px; }

  .about { padding: 36px 16px; gap: 24px; }
  .about-img { height: 180px; border-radius: 10px; }
  .section-label { font-size: 9px; letter-spacing: 1.5px; margin-bottom: 6px; }
  .section-title { font-size: 18px; line-height: 1.25; margin-bottom: 10px; }
  .about-text { font-size: 11px; margin-bottom: 16px; }
  .stats-grid { gap: 14px; margin-bottom: 20px; }
  .stat-num   { font-size: 18px; }
  .stat-label { font-size: 10px; }

  .products { padding: 32px 22px; }
  .products .section-label   { font-size: 9px; letter-spacing: 1.8px; }
  .products .section-title   { font-size: 20px; padding: 0 4px; }
  .products .section-subtitle { font-size: 11px; padding: 0 8px; }
  .products-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 22px; }

  .product-card { border-radius: 10px; }
  .product-img  { height: 135px; }
  .product-info { padding: 14px 12px 16px; text-align: center; }
  .product-name { font-size: 13px; margin-bottom: 6px; }
  .product-desc { font-size: 11px; margin-bottom: 12px; }
  .btn-view { width: 100%; justify-content: center; padding: 9px 12px; font-size: 10px; border-radius: 5px; }

  .why { padding: 36px 16px 40px; }
  .why-grid { gap: 16px; margin-top: 28px; }
  .why-icon { width: 44px; height: 44px; font-size: 18px; margin-bottom: 10px; }
  .why-item h4 { font-size: 10px; margin-bottom: 6px; }
  .why-item p  { font-size: 10px; }

  footer { padding: 36px 16px 20px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 16px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-logo-text .brand-top { font-size: 18px; }
  .footer-logo-text .brand-sub { font-size: 9px; }
  .footer-brand p          { font-size: 11px; }
  .footer-col h5           { font-size: 10px; margin-bottom: 10px; }
  .footer-col ul li a      { font-size: 10px; }
  .footer-contact-item     { font-size: 10px; }
  .footer-bottom           { font-size: 10px; padding-top: 16px; }
}