:root {
  --blue: #52aae5;
  --dark: #2c3e50;
  --grey1: #f8f9fa;
  --grey2: #eef1f4;
  --card: #ffffff;
  --text: #2c3e50;
  --muted: #666;
}

html, body { overflow-x: hidden; max-width: 100%; scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Times New Roman', Times, serif;
  color: var(--text);
  background: var(--grey1);
  font-size: 1.05rem;
}

h1, h2, h3, h4, h5, h6 { color: var(--text); font-family: 'Times New Roman', Times, serif; }
p { color: var(--muted); }
img { max-width: 100%; height: auto; }

.text-blue { color: var(--blue); }
.bg-blue { background-color: var(--blue); }
.bg-silver { background-color: #b0c4de; color: #333; }
.text-muted { color: var(--muted) !important; }
.letter-spacing { letter-spacing: 2px; }

/* ===== NAVBAR ===== */
#mainNav {
  background: #1a1a1a;
  box-shadow: 0 2px 15px rgba(0,0,0,0.4);
  padding: 0;
  min-height: 65px;
  transition: all 0.3s ease;
}
#mainNav.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.6); }
#mainNav .container { min-height: 65px; display: flex; align-items: center; }
#mainNav .nav-link {
  color: #e0e0e0 !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  font-size: 1rem;
  position: relative;
}
#mainNav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--blue);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
#mainNav .nav-link:hover { color: var(--blue) !important; }
#mainNav .nav-link:hover::after { width: 80%; }
.logo-img { width: 180px; height: 80px; object-fit: fill; }

/* ===== HERO ===== */
.hero-section { height: 100vh; position: relative; overflow: hidden; padding-top: 65px; }
.hero-video {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%; min-height: 100%;
  width: auto; height: auto;
  object-fit: cover; z-index: 0;
  opacity: 0; transition: opacity 1s ease;
}
.hero-video.active { opacity: 1; z-index: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2; display: flex;
  align-items: center; padding-top: 65px;
}
.hero-overlay h6 { animation: fadeInDown 0.8s ease 0.2s both; }
.hero-overlay h1 { animation: fadeInDown 0.8s ease 0.4s both; }
.hero-overlay p  { animation: fadeInDown 0.8s ease 0.6s both; }
.hero-overlay .d-flex { animation: fadeInUp 0.8s ease 0.8s both; }

/* ===== SECTION BACKGROUNDS ===== */
.about-section  { background: var(--grey1); }
.why-section    { background: var(--grey2); }
#products       { background: var(--grey1); }
#blog           { background: var(--grey2); }
#contact        { background: var(--grey1); }
#faq            { background: var(--grey2); }

/* ===== SECTION HEADINGS ===== */
section h2 { color: var(--text); }
section h6 { color: var(--blue) !important; }
.title-line {
  width: 60px; height: 4px;
  background: var(--blue); margin-top: 10px;
  animation: pulseLine 2s ease-in-out infinite;
}
@keyframes pulseLine { 0%, 100% { width: 60px; } 50% { width: 90px; } }

/* ===== OVERVIEW ===== */
.overview-stat {
  background: var(--card);
  border-left: 4px solid var(--blue);
  padding: 15px 20px; border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.overview-stat:hover { transform: translateX(5px); box-shadow: 0 5px 20px rgba(82,170,229,0.15); }
.overview-stat h3 { color: var(--blue); transition: text-shadow 0.3s ease; }
.overview-stat:hover h3 { text-shadow: 0 0 15px rgba(82,170,229,0.5); }
.overview-stat p { color: var(--muted) !important; }

.overview-card {
  background: var(--card); border-radius: 12px;
  padding: 25px 20px; text-align: center;
  height: 100%; transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
  position: relative; overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.overview-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; width: 100%; height: 3px;
  background: var(--blue);
  transform: scaleX(0); transition: transform 0.3s ease;
  transform-origin: left;
}
.overview-card:hover::before { transform: scaleX(1); }
.overview-card:hover { box-shadow: 0 10px 30px rgba(82,170,229,0.15); transform: translateY(-8px); }
.overview-card i { font-size: 2.2rem; color: var(--blue); margin-bottom: 12px; display: block; transition: transform 0.3s ease; }
.overview-card:hover i { transform: translateY(-5px) scale(1.15); }
.overview-card h6 { font-weight: 700; color: var(--text); margin-bottom: 8px; }
.overview-card p { font-size: 0.9rem; color: var(--muted); margin: 0; }

/* ===== WHY CHOOSE US ===== */
.why-card {
  background: var(--card); border-radius: 12px;
  padding: 30px 25px; height: 100%;
  border-top: 4px solid transparent;
  transition: all 0.35s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: relative; overflow: hidden;
}
.why-card::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; width: 100%; height: 3px;
  background: var(--blue);
  transform: scaleX(0); transition: transform 0.35s ease;
  transform-origin: left;
}
.why-card::before {
  content: ''; position: absolute;
  top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease; z-index: 1; pointer-events: none;
}
.why-card:hover { border-top-color: var(--blue); transform: translateY(-10px); box-shadow: 0 15px 35px rgba(82,170,229,0.15); }
.why-card:hover::after { transform: scaleX(1); }
.why-card:hover::before { left: 150%; }
.why-icon {
  font-size: 2.5rem; color: var(--blue);
  margin-bottom: 15px; display: inline-block;
  animation: float 3s ease-in-out infinite;
}
.why-card:nth-child(2) .why-icon { animation-delay: 0.5s; }
.why-card:nth-child(3) .why-icon { animation-delay: 1s; }
.why-card:nth-child(4) .why-icon { animation-delay: 1.5s; }
.why-card:nth-child(5) .why-icon { animation-delay: 2s; }
.why-card:nth-child(6) .why-icon { animation-delay: 2.5s; }
.why-card h5 { font-weight: 700; color: var(--text); margin-bottom: 10px; }
.why-card p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* ===== PRODUCTS ===== */
.product-card {
  background: var(--card); padding: 30px;
  border-radius: 15px; height: 100%;
  border-bottom: 4px solid var(--blue);
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.product-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(82,170,229,0.15); }
.product-card h4 { color: var(--text); }
.product-card p { color: var(--muted); }
.premium-card, .export-focus { background: var(--card); border: none; border-bottom: 4px solid var(--blue); }
.product-list { padding-left: 18px; margin: 12px 0; color: var(--muted); font-size: 0.9rem; }
.product-list li { margin-bottom: 5px; }
.icon-box { font-size: 2.5rem; color: var(--blue); margin-bottom: 15px; transition: transform 0.3s ease; }
.product-card:hover .icon-box { transform: translateY(-5px) scale(1.1); }
.tag-box { margin-top: 15px; }
.badge { font-weight: 500; padding: 6px 12px; border-radius: 5px; }

/* ===== SWIPER ===== */
.productSwiper { padding: 10px 5px 50px !important; }
.productSwiper .swiper-wrapper { align-items: stretch; }
.productSwiper .swiper-slide { height: auto; }
.swiper-slide .product-card { height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.productSwiper .swiper-pagination-bullet-active { background: var(--blue); }

/* ===== BLOG ===== */
.blog-card {
  background: var(--card); border-radius: 15px;
  overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: all 0.3s ease; height: 100%;
  position: relative;
}
.blog-card::before {
  content: ''; position: absolute;
  top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease; z-index: 1; pointer-events: none;
}
.blog-card:hover { transform: translateY(-8px); box-shadow: 0 15px 30px rgba(82,170,229,0.15); }
.blog-card:hover::before { left: 150%; }
.blog-img { height: 200px; background-size: cover; background-position: center; }
.blog-body { padding: 25px; }
.blog-tag { display: inline-block; background: var(--blue); color: #fff; font-size: 0.75rem; font-weight: 600; padding: 3px 12px; border-radius: 20px; margin-bottom: 12px; text-transform: uppercase; }
.blog-body h5 { font-weight: 700; color: var(--text); margin-bottom: 10px; font-size: 1.05rem; }
.blog-body p { color: var(--muted); font-size: 0.9rem; margin-bottom: 15px; }
.blog-link { color: var(--blue); font-weight: 600; text-decoration: none; font-size: 0.9rem; }
.blog-link:hover { color: #3a8fc7; }

/* ===== CONTACT ===== */
.contact-info-card {
  background: var(--blue); border-radius: 15px;
  padding: 35px 30px; height: 100%; color: #fff;
  text-align: left;
}
.contact-info-card h5 { color: #fff; border-bottom: 2px solid rgba(255,255,255,0.3); padding-bottom: 15px; }
.contact-info-card h6 { color: #fff !important; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }
.contact-info-card p { color: rgba(255,255,255,0.9); margin: 0; font-size: 0.95rem; }
.contact-item { display: flex; flex-direction: row; align-items: flex-start; gap: 15px; margin-bottom: 25px; }
.contact-icon { width: 42px; height: 42px; background: rgba(255,255,255,0.2); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.social-icon { width: 38px; height: 38px; background: rgba(255,255,255,0.2); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; text-decoration: none; transition: all 0.3s ease; }
.social-icon:hover { background: #fff; color: var(--blue); transform: translateY(-3px); }

.contact-form-card {
  background: var(--card); border-radius: 15px;
  padding: 35px 30px; box-shadow: 0 2px 15px rgba(0,0,0,0.07); height: 100%;
}
.contact-form-card h5 { color: var(--text); }
.contact-form-card .form-label { font-weight: 600; font-size: 0.9rem; color: var(--text); }
.contact-form-card .form-control,
.contact-form-card .form-select { border: 1.5px solid #dde; border-radius: 8px; padding: 10px 14px; background: #fff; color: var(--text); transition: all 0.3s ease; }
.contact-form-card .form-control::placeholder { color: #aaa; }
.contact-form-card .form-control:focus,
.contact-form-card .form-select:focus { border-color: var(--blue); box-shadow: 0 0 0 0.2rem rgba(82,170,229,0.2); transform: scale(1.01); }

/* ===== FAQ ===== */
.faq-item { border: none; border-radius: 10px !important; margin-bottom: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.06); overflow: hidden; }
.faq-item .accordion-button { font-weight: 600; color: var(--text) !important; background: #fff !important; font-size: 0.95rem; }
.faq-item .accordion-button:not(.collapsed) { color: var(--blue) !important; background: #f0f7fd !important; box-shadow: none; }
.faq-item .accordion-button::after { filter: invert(50%) sepia(80%) saturate(400%) hue-rotate(180deg); }
.faq-item .accordion-body { color: var(--text) !important; font-size: 0.9rem; background: #f0f7fd !important; border-top: 1px solid rgba(82,170,229,0.2); }
.accordion-collapse { transition: all 0.4s ease !important; }

/* ===== BUTTONS ===== */
.btn-primary { background-color: var(--blue); border-color: var(--blue); transition: all 0.3s ease; }
.btn-primary:hover { background-color: #3a8fc7; border-color: #3a8fc7; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(82,170,229,0.4); }
.btn-primary { animation: pulse 2.5s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(82,170,229,0.4); } 70% { box-shadow: 0 0 0 10px rgba(82,170,229,0); } 100% { box-shadow: 0 0 0 0 rgba(82,170,229,0); } }

/* ===== FOOTER ===== */
.footer { background: #1a1a1a; color: #ccc; }
.footer .row { align-items: flex-start; }
.footer-logo { width: 140px; height: auto; display: block; }
.footer-desc { font-size: 0.9rem; color: #aaa; line-height: 1.7; }
.footer-heading { color: #fff; font-weight: 700; font-size: 1rem; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-heading::after { content: ''; position: absolute; left: 0; bottom: 0; width: 35px; height: 3px; background: var(--blue); border-radius: 2px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #aaa; text-decoration: none; font-size: 0.9rem; transition: all 0.3s ease; }
.footer-links a:hover { color: var(--blue); padding-left: 5px; }
.footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-contact li { color: #aaa; font-size: 0.9rem; margin-bottom: 12px; display: flex; align-items: flex-start; gap: 10px; }
.footer-contact i { color: var(--blue); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.footer-social { width: 36px; height: 36px; background: rgba(255,255,255,0.08); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #aaa; text-decoration: none; font-size: 1rem; transition: all 0.3s ease; }
.footer-social:hover { background: var(--blue); color: #fff; transform: translateY(-5px); }
.footer-divider { border-color: rgba(255,255,255,0.1); margin: 20px 0 15px; }
.footer-copy { font-size: 0.85rem; color: #777; margin: 0; }
.infotech-link { color: var(--blue) !important; font-weight: 700; text-decoration: none; }
.infotech-link:hover { color: #fff !important; text-decoration: underline; }

/* ===== KEYFRAMES ===== */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-25px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp   { from { opacity: 0; transform: translateY(25px);  } to { opacity: 1; transform: translateY(0); } }
@keyframes float      { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1199px) {
  .hero-section h1 { font-size: 2.5rem !important; }
  .logo-img { width: 150px; height: 62px; }
}
@media (max-width: 991px) {
  .logo-img { width: 130px; height: 52px; }
  .hero-section { height: auto; min-height: 100vh; padding: 100px 15px 60px; text-align: center; }
  .hero-section h1 { font-size: 2.2rem !important; }
  .hero-section .d-flex { justify-content: center; flex-wrap: wrap; }
  .contact-info-card { margin-bottom: 20px; height: auto; }
  .contact-form-card { height: auto; }
  .footer .col-lg-4, .footer .col-lg-2, .footer .col-lg-3 { margin-bottom: 25px; }
  .productSwiper { padding: 10px 0 40px !important; }
}
@media (max-width: 767px) {
  .logo-img { width: 110px; height: 45px; }
  #mainNav { min-height: 55px; padding: 0 !important; }
  #mainNav .container { min-height: 55px; }
  .hero-section { height: auto; min-height: 100vh; padding: 80px 15px 50px; text-align: center; }
  .hero-section h1 { font-size: 1.8rem !important; }
  .hero-section .d-flex { flex-direction: column; align-items: center; gap: 10px !important; }
  .hero-section .btn { width: 100%; max-width: 250px; }
  .display-5 { font-size: 1.6rem !important; }
  section { padding: 50px 0 !important; }
  .blog-img { height: 180px; }
  .contact-info-card, .contact-form-card { padding: 20px 15px; height: auto; }
  .faq-item .accordion-button { font-size: 0.85rem; padding: 12px 15px; }
  .footer-copy { text-align: center !important; margin-bottom: 5px; }
  .footer .row.align-items-center > div { text-align: center !important; }
  .footer-logo { width: 110px; }
  .why-card { padding: 20px 15px; }
  .swiper-slide .product-card { padding: 20px 15px; }
  .overview-card { padding: 15px; }
}
@media (max-width: 575px) {
  .logo-img { width: 95px; height: 40px; }
  .hero-section h1 { font-size: 1.5rem !important; }
  .display-5 { font-size: 1.3rem !important; }
  .contact-icon { width: 34px; height: 34px; font-size: 0.9rem; }
  .social-icon, .footer-social { width: 32px; height: 32px; font-size: 0.85rem; }
  .btn-lg { font-size: 0.9rem; padding: 10px 18px; }
  .footer-links a, .footer-contact li, .footer-desc { font-size: 0.85rem; }
  .tag-box .badge { font-size: 0.72rem; padding: 4px 8px; }
  .blog-body { padding: 15px; }
  .blog-img { height: 150px; }
  .productSwiper { padding: 10px 0 35px !important; }
}

/* Section Backgrounds */
.about-section  { background: #f8f9fa !important; }
.why-section    { background: #eef1f4 !important; }
#products       { background: #f8f9fa !important; }
#blog           { background: #eef1f4 !important; }
#contact        { background: #f8f9fa !important; }
#faq            { background: #eef1f4 !important; }

/* ===== PROFESSIONAL ANIMATIONS ===== */

/* Fade In Up */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fade In Left */
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Fade In Right */
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Scale In */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

/* Float */
@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

/* Shimmer */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Pulse Glow */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(82,170,229,0.3); }
  50%       { box-shadow: 0 0 20px 6px rgba(82,170,229,0.15); }
}

/* Apply to sections on scroll via AOS fallback */
.about-section .col-lg-6:first-child  { animation: fadeInLeft 0.9s ease both; }
.about-section .col-lg-6:last-child   { animation: fadeInRight 0.9s ease both; }
.overview-stat                         { animation: scaleIn 0.6s ease both; }
.overview-card                         { animation: fadeInUp 0.7s ease both; }

.why-card  { animation: fadeInUp 0.6s ease both; }
.why-card:nth-child(1) { animation-delay: 0.1s; }
.why-card:nth-child(2) { animation-delay: 0.2s; }
.why-card:nth-child(3) { animation-delay: 0.3s; }
.why-card:nth-child(4) { animation-delay: 0.4s; }
.why-card:nth-child(5) { animation-delay: 0.5s; }
.why-card:nth-child(6) { animation-delay: 0.6s; }

.blog-card { animation: scaleIn 0.6s ease both; }
.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.25s; }
.blog-card:nth-child(3) { animation-delay: 0.4s; }

.contact-info-card { animation: fadeInLeft 0.8s ease both; }
.contact-form-card { animation: fadeInRight 0.8s ease both; }

.faq-item { animation: fadeInUp 0.5s ease both; }
.faq-item:nth-child(1) { animation-delay: 0.1s; }
.faq-item:nth-child(2) { animation-delay: 0.2s; }
.faq-item:nth-child(3) { animation-delay: 0.3s; }
.faq-item:nth-child(4) { animation-delay: 0.4s; }
.faq-item:nth-child(5) { animation-delay: 0.5s; }
.faq-item:nth-child(6) { animation-delay: 0.6s; }

/* Floating icons */
.why-icon { animation: floatY 3s ease-in-out infinite; }
.why-card:nth-child(2) .why-icon { animation-delay: 0.4s; }
.why-card:nth-child(3) .why-icon { animation-delay: 0.8s; }
.why-card:nth-child(4) .why-icon { animation-delay: 1.2s; }
.why-card:nth-child(5) .why-icon { animation-delay: 1.6s; }
.why-card:nth-child(6) .why-icon { animation-delay: 2s; }

/* Card pulse glow on hover */
.why-card:hover, .product-card:hover, .blog-card:hover {
  animation: pulseGlow 1.5s ease infinite;
}

/* Title line shimmer */
.title-line {
  background: linear-gradient(90deg, var(--blue), #a8d8f5, var(--blue));
  background-size: 200% auto;
  animation: shimmer 2.5s linear infinite, pulseLine 2s ease-in-out infinite;
}

/* Footer social float */
.footer-social:hover { animation: floatY 0.6s ease; }

/* Btn shine effect */
.btn-primary {
  background: linear-gradient(90deg, #52aae5, #3a8fc7, #52aae5);
  background-size: 200% auto;
  animation: shimmer 3s linear infinite;
  border: none;
}

/* ===== BLOG CARD ANIMATIONS ===== */

.blog-card {
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease !important;
  animation: none !important;
}

/* Image zoom on hover */
.blog-img {
  transition: transform 0.5s ease !important;
  overflow: hidden;
}
.blog-card:hover .blog-img {
  transform: scale(1.05);
}

/* Tag slide in */
.blog-tag {
  display: inline-block;
  transition: all 0.3s ease;
}
.blog-card:hover .blog-tag {
  transform: translateX(5px);
  letter-spacing: 1px;
}

/* Title underline animation */
.blog-body h5 {
  position: relative;
  display: inline-block;
}
.blog-body h5::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--blue);
  transition: width 0.4s ease;
}
.blog-card:hover .blog-body h5::after { width: 100%; }

/* Read more arrow bounce */
.blog-link i {
  display: inline-block;
  transition: transform 0.3s ease;
}
.blog-card:hover .blog-link i {
  transform: translateX(6px);
}

/* Card lift with shadow */
.blog-card:hover {
  transform: translateY(-12px) !important;
  box-shadow: 0 20px 40px rgba(82,170,229,0.2) !important;
}

/* Stagger AOS delays already set, add border bottom reveal */
.blog-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 3px;
  background: var(--blue);
  transition: width 0.4s ease;
}
.blog-card:hover::after { width: 100%; }

/* ===== BLOG IMAGE CSS BACKGROUNDS ===== */
.blog-img-1 {
  background: linear-gradient(135deg, #1a3a5c 0%, #52aae5 100%);
  position: relative;
}
.blog-img-1::after {
  content: 'SS Grades Guide';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
}

.blog-img-2 {
  background: linear-gradient(135deg, #0f3460 0%, #3a8fc7 100%);
  position: relative;
}
.blog-img-2::after {
  content: 'Export Process';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
}

.blog-img-3 {
  background: linear-gradient(135deg, #16213e 0%, #52aae5 100%);
  position: relative;
}
.blog-img-3::after {
  content: 'PVD Sheets';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
}

/* Hover zoom on gradient bg */
.blog-img-1, .blog-img-2, .blog-img-3 {
  transition: transform 0.5s ease !important;
}
.blog-card:hover .blog-img-1,
.blog-card:hover .blog-img-2,
.blog-card:hover .blog-img-3 {
  transform: scale(1.05);
}

/* ===== SHIMMER EFFECT ALL CARDS ===== */

.why-card, .product-card, .overview-card, .overview-stat, .faq-item, .contact-info-card, .contact-form-card {
  position: relative;
  overflow: hidden;
}

.why-card::before,
.product-card::before,
.overview-card::before,
.overview-stat::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.6s ease;
  z-index: 1;
  pointer-events: none;
}

.why-card:hover::before,
.product-card:hover::before,
.overview-card:hover::before,
.overview-stat:hover::before {
  left: 150%;
}

/* ===== PROFESSIONAL CSS ENHANCEMENTS ===== */

/* Smooth page load */
body {
  animation: pageFadeIn 0.6s ease both;
}
@keyframes pageFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Section reveal on scroll - smooth padding */
section {
  transition: background 0.5s ease;
}

/* Navbar active link indicator */
#mainNav .nav-link.active {
  color: var(--blue) !important;
}
#mainNav .nav-link.active::after {
  width: 80%;
}

/* Logo hover effect */
.logo-img {
  transition: transform 0.3s ease, filter 0.3s ease;
}
.logo-img:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Hero overlay gradient animation */
.hero-overlay {
  background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(10,30,60,0.5) 100%);
  animation: overlayPulse 6s ease-in-out infinite;
}
@keyframes overlayPulse {
  0%, 100% { background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(10,30,60,0.5) 100%); }
  50%       { background: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(10,30,60,0.65) 100%); }
}

/* Section heading hover */
section h2 {
  transition: color 0.3s ease, letter-spacing 0.3s ease;
  cursor: default;
}
section h2:hover {
  color: var(--blue);
  letter-spacing: 1px;
}

/* Overview stat number animation */
.overview-stat h3 {
  font-size: 2rem;
  transition: transform 0.3s ease;
}
.overview-stat:hover h3 {
  transform: scale(1.15);
}

/* Icon box rotate on hover */
.icon-box {
  transition: transform 0.4s ease, color 0.3s ease;
}
.product-card:hover .icon-box {
  transform: rotateY(180deg);
  color: #3a8fc7;
}

/* Badge hover */
.badge {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}
.badge:hover {
  transform: scale(1.1);
  box-shadow: 0 3px 10px rgba(82,170,229,0.3);
}

/* FAQ button hover arrow */
.faq-item .accordion-button {
  transition: background 0.3s ease, color 0.3s ease, padding-left 0.3s ease;
}
.faq-item .accordion-button:hover {
  padding-left: 1.5rem !important;
  color: var(--blue) !important;
}

/* Contact icon hover */
.contact-icon {
  transition: transform 0.3s ease, background 0.3s ease;
}
.contact-item:hover .contact-icon {
  transform: scale(1.15) rotate(10deg);
  background: rgba(255,255,255,0.35);
}

/* Footer heading hover */
.footer-heading {
  transition: color 0.3s ease;
  cursor: default;
}
.footer-heading:hover {
  color: var(--blue);
}

/* Footer logo hover */
.footer-logo {
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.footer-logo:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

/* Swiper pagination dots */
.swiper-pagination-bullet {
  width: 10px !important;
  height: 10px !important;
  background: #ccc !important;
  opacity: 1 !important;
  transition: all 0.3s ease !important;
}
.swiper-pagination-bullet-active {
  background: var(--blue) !important;
  width: 25px !important;
  border-radius: 5px !important;
}

/* Scroll to top smooth */
html { scroll-behavior: smooth; }

/* Selection color */
::selection {
  background: var(--blue);
  color: #fff;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #3a8fc7; }

/* ===== NAVBAR PROFESSIONAL ANIMATIONS ===== */

/* Navbar slide down on load */
#mainNav {
  animation: navSlideDown 0.6s ease both;
}
@keyframes navSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

/* Nav links stagger fade in */
#mainNav .nav-item:nth-child(1) .nav-link { animation: navLinkFade 0.5s ease 0.3s both; }
#mainNav .nav-item:nth-child(2) .nav-link { animation: navLinkFade 0.5s ease 0.4s both; }
#mainNav .nav-item:nth-child(3) .nav-link { animation: navLinkFade 0.5s ease 0.5s both; }
#mainNav .nav-item:nth-child(4) .nav-link { animation: navLinkFade 0.5s ease 0.6s both; }
#mainNav .nav-item:nth-child(5) .nav-link { animation: navLinkFade 0.5s ease 0.7s both; }

@keyframes navLinkFade {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Nav link hover background pill */
#mainNav .nav-link {
  border-radius: 20px;
  transition: background 0.3s ease, color 0.3s ease, padding 0.3s ease !important;
}
#mainNav .nav-link:hover {
  background: rgba(82,170,229,0.15);
  padding-left: 1.2rem !important;
  padding-right: 1.2rem !important;
}

/* Logo fade in */
.navbar-brand {
  animation: navLinkFade 0.6s ease 0.2s both;
}

/* Navbar scrolled border bottom */
#mainNav.scrolled {
  border-bottom: 2px solid var(--blue);
}

/* Hamburger toggler animation */
.navbar-toggler {
  border: 2px solid var(--blue) !important;
  transition: transform 0.3s ease !important;
}
.navbar-toggler:hover {
  transform: rotate(90deg);
}

/* Blog Card Light Background */
.blog-card { background: #f8fbff !important; }

/* ===== COMPREHENSIVE RESPONSIVE ===== */

/* Large Desktop 1400px+ */
@media (min-width: 1400px) {
  .container { max-width: 1320px; }
  .hero-overlay h1 { font-size: 4rem; }
}

/* Desktop 1200px - 1399px */
@media (max-width: 1399px) {
  .hero-overlay h1 { font-size: 3.2rem; }
}

/* Large Tablet 992px - 1199px */
@media (max-width: 1199px) {
  .logo-img { width: 140px; height: 58px; }
  .hero-overlay h1 { font-size: 2.8rem !important; }
  .why-card, .product-card { padding: 25px 20px; }
}

/* Tablet 768px - 991px */
@media (max-width: 991px) {
  .logo-img { width: 120px; height: 50px; }

  /* Hero video fix */
  .hero-section { height: 100vh; padding-top: 55px; }
  .hero-video { width: 100%; height: 100%; object-fit: cover; }
  .hero-overlay { padding-top: 55px; text-align: center; }
  .hero-overlay h1 { font-size: 2.2rem !important; }
  .hero-overlay p { font-size: 1rem; }
  .hero-overlay .d-flex { justify-content: center; flex-wrap: wrap; gap: 10px !important; }

  /* About */
  .about-section .col-lg-6 { animation: none !important; }

  /* Cards */
  .why-card, .product-card, .blog-card { margin-bottom: 5px; }
  .contact-info-card { margin-bottom: 20px; height: auto; }
  .contact-form-card { height: auto; }

  /* Footer */
  .footer .col-lg-4, .footer .col-lg-2, .footer .col-lg-3 { margin-bottom: 25px; }

  /* Swiper */
  .productSwiper { padding: 10px 0 40px !important; }
}

/* Mobile 576px - 767px */
@media (max-width: 767px) {
  .logo-img { width: 100px; height: 42px; }

  /* Navbar */
  #mainNav { min-height: 55px !important; }
  #mainNav .container { min-height: 55px; }
  #mainNav .navbar-collapse { background: #1a1a1a; padding: 10px 15px; border-top: 1px solid rgba(255,255,255,0.1); }
  #mainNav .nav-link { padding: 10px 15px !important; border-radius: 8px; }

  /* Hero */
  .hero-section { height: 100vh; min-height: 100vh; padding-top: 55px; }
  .hero-overlay { padding: 55px 15px 30px; text-align: center; }
  .hero-overlay h6 { font-size: 0.75rem; }
  .hero-overlay h1 { font-size: 1.8rem !important; }
  .hero-overlay p { font-size: 0.95rem; }
  .hero-overlay .d-flex { flex-direction: column; align-items: center; gap: 10px !important; }
  .hero-overlay .btn { width: 100%; max-width: 240px; }

  /* Sections */
  section { padding: 50px 0 !important; }
  .display-5 { font-size: 1.5rem !important; }

  /* About */
  .overview-stat { margin-bottom: 10px; }
  .overview-card { padding: 15px; }

  /* Why cards */
  .why-card { padding: 20px 15px; }

  /* Products */
  .swiper-slide .product-card { padding: 20px 15px; }
  .productSwiper { padding: 10px 0 35px !important; }

  /* Blog */
  .blog-img, .blog-img-1, .blog-img-2, .blog-img-3 { height: 160px; }
  .blog-body { padding: 15px; }
  .blog-body h5 { font-size: 0.95rem; }

  /* Contact */
  .contact-info-card, .contact-form-card { padding: 20px 15px; height: auto; }
  .contact-item { gap: 10px; }

  /* FAQ */
  .faq-item .accordion-button { font-size: 0.88rem; padding: 12px 15px; }

  /* Footer */
  .footer-copy { text-align: center !important; margin-bottom: 5px; }
  .footer .row.align-items-center > div { text-align: center !important; }
  .footer-logo { width: 100px; }
  .footer-heading { font-size: 0.95rem; }
}

/* Small Mobile 480px - 575px */
@media (max-width: 575px) {
  .logo-img { width: 90px; height: 38px; }

  /* Hero */
  .hero-overlay h1 { font-size: 1.5rem !important; }
  .hero-overlay p { font-size: 0.88rem; }

  /* Typography */
  .display-5 { font-size: 1.3rem !important; }
  body { font-size: 0.95rem; }

  /* Cards */
  .why-card, .product-card { padding: 15px 12px; }
  .icon-box { font-size: 2rem; }
  .why-icon { font-size: 2rem; }

  /* Blog */
  .blog-img, .blog-img-1, .blog-img-2, .blog-img-3 { height: 140px; }

  /* Contact */
  .contact-icon { width: 34px; height: 34px; font-size: 0.9rem; }
  .social-icon, .footer-social { width: 32px; height: 32px; font-size: 0.85rem; }

  /* Buttons */
  .btn-lg { font-size: 0.88rem; padding: 10px 16px; }

  /* Footer */
  .footer-links a, .footer-contact li, .footer-desc { font-size: 0.82rem; }
  .tag-box .badge { font-size: 0.7rem; padding: 4px 8px; }
  .footer-logo { width: 90px; }
}

/* Extra Small Mobile below 380px */
@media (max-width: 380px) {
  .logo-img { width: 80px; height: 34px; }
  .hero-overlay h1 { font-size: 1.3rem !important; }
  .display-5 { font-size: 1.1rem !important; }
  .hero-overlay .btn { max-width: 200px; font-size: 0.85rem; }
  .contact-form-card { padding: 15px 10px; }
}

/* Navbar Mobile Size Fix */
@media (max-width: 767px) {
  #mainNav { min-height: 70px !important; }
  #mainNav .container { min-height: 70px !important; }
  .logo-img { width: 120px !important; height: 50px !important; }
  .hero-section { padding-top: 70px; }
  .hero-overlay { padding-top: 70px; }
}

/* Navbar Toggler Fix */
.navbar-toggler {
  border: 2px solid var(--blue) !important;
  padding: 6px 10px !important;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2352aae5' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Logo Mobile Fix */
@media (max-width: 767px) {
  .logo-img {
    width: 150px !important;
    height: auto !important;
    object-fit: contain !important;
  }
}
@media (max-width: 380px) {
  .logo-img {
    width: 120px !important;
    height: auto !important;
    object-fit: contain !important;
  }
}

/* Logo Blur Fix Mobile */
@media (max-width: 767px) {
  .logo-img {
    width: 130px !important;
    height: auto !important;
    object-fit: contain !important;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    transform: none !important;
  }
}

/* Logo Sharp Fix All Devices */
.logo-img {
  object-fit: contain !important;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* Logo Stretch Fix */
.logo-img {
  width: 180px !important;
  height: 70px !important;
  object-fit: fill !important;
  image-rendering: auto !important;
}
@media (max-width: 767px) {
  .logo-img {
    width: 140px !important;
    height: 55px !important;
    object-fit: fill !important;
  }
}

/* Logo Height Increase */
.logo-img {
  width: 180px !important;
  height: 80px !important;
  object-fit: fill !important;
}
@media (max-width: 767px) {
  .logo-img {
    width: 140px !important;
    height: 62px !important;
    object-fit: fill !important;
  }
}

/* Hero Mobile Height Fix */
@media (max-width: 767px) {
  .hero-section {
    height: 100svh !important;
    min-height: unset !important;
  }
  .hero-overlay {
    padding-top: 70px !important;
    padding-bottom: 30px !important;
  }
  .hero-overlay .row {
    min-height: unset !important;
  }
}

/* Product Card Image */
.product-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  border-radius: 10px;
  margin-bottom: 15px;
  transition: transform 0.4s ease;
  overflow: hidden;
}
.product-card:hover .product-img {
  transform: scale(1.03);
}

/* Product Card Size Reduce */
.product-card { padding: 18px !important; }
.product-img { height: 160px !important; margin-bottom: 10px !important; }
.product-card h4 { font-size: 1rem !important; margin-bottom: 6px !important; }
.product-card p { font-size: 0.85rem !important; margin-bottom: 6px !important; }
.product-list { font-size: 0.82rem !important; margin: 8px 0 !important; }
.icon-box { font-size: 1.8rem !important; margin-bottom: 8px !important; }
.tag-box { margin-top: 10px !important; }
.tag-box .badge { font-size: 0.72rem !important; padding: 4px 8px !important; }

/* Product Card Image Shading & Heading Highlight */
.product-img {
  position: relative;
}
.product-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.45) 100%);
  border-radius: 10px;
}

.product-card h4 {
  color: #1a1a1a !important;
  font-weight: 700 !important;
  border-left: 4px solid var(--blue);
  padding-left: 10px;
  margin-top: 12px !important;
  transition: color 0.3s ease;
}
.product-card:hover h4 {
  color: var(--blue) !important;
}