/* =========================================================
   Edwards Vacuum India – Main Stylesheet
   Mobile-first, responsive
   ========================================================= */

:root {
  --primary:    #003366;
  --primary-lt: #004a99;
  --accent:     #e05c00;
  --accent-lt:  #ff7722;
  --bg:         #f4f6fa;
  --card-bg:    #ffffff;
  --text:       #1a1a2e;
  --text-muted: #5a6a7a;
  --border:     #dde3ee;
  --radius:     10px;
  --shadow:     0 4px 20px rgba(0,51,102,.10);
  --shadow-lg:  0 8px 36px rgba(0,51,102,.16);
  --transition: .25s ease;
  --nav-h:      70px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
img { display: block; max-width: 100%; }
a  { color: var(--primary-lt); text-decoration: none; }
a:hover { color: var(--accent); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.section-sub {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--primary);
  color: #fff;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-lt); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(224,92,0,.35); color:#fff; }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--primary);
  height: var(--nav-h);
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .3px;
}
.nav-brand svg { flex-shrink: 0; }
.nav-brand span em { color: var(--accent-lt); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: .92rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,.15); color: #fff; }
.nav-cta { background: var(--accent) !important; color: #fff !important; padding: 9px 20px !important; }
.nav-cta:hover { background: var(--accent-lt) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: transparent;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #001a3d 60%, #002a5e 100%);
  color: #fff;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 30px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: #fff;
}
.hero-eyebrow::before { content: ''; width: 8px; height: 8px; background: var(--accent-lt); border-radius: 50%; flex-shrink: 0; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 em { color: var(--accent-lt); font-style: normal; }
.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 50px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-lt);
}
.hero-stat span { font-size: .85rem; color: rgba(255,255,255,.7); }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-graphic {
  width: min(420px, 100%);
  aspect-ratio: 1;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.12);
  position: relative;
}
.hero-graphic::after {
  content: '';
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,.15);
  animation: spin 20s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-icon-ring {
  width: 60%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
}

/* ── Categories strip ── */
.categories-strip {
  background: var(--card-bg);
  padding: 24px 0;
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--border);
}
.cat-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.cat-scroll::-webkit-scrollbar { height: 4px; }
.cat-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 20px;
  border-radius: 24px;
  border: 2px solid var(--border);
  background: var(--bg);
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
  flex-shrink: 0;
}
.cat-chip:hover, .cat-chip.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

/* ── Section spacing ── */
.section { padding: 80px 0; }
.section-alt { background: var(--card-bg); }

/* ── Product Grid ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.product-card-img {
  background: linear-gradient(135deg, #e8edf5 0%, #d0dae8 100%);
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-img svg { opacity: .5; }
.product-card-img .cat-label { z-index: 2; }
.product-card-img .cat-label {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  background: var(--primary);
  color: #fff;
  padding: 4px 10px;
  border-radius: 20px;
}
.product-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.35;
}
.product-card-body p {
  font-size: .875rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 16px;
}
.product-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: #fafbfd;
}
.enquire-btn {
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition), color var(--transition);
}
.enquire-btn:hover { gap: 10px; color: var(--accent-lt); }
.enquire-btn svg { flex-shrink: 0; }

/* ── Features section ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-lt));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.feature-card p  { font-size: .875rem; color: var(--text-muted); }

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  padding: 70px 0;
  text-align: center;
}
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 14px; }
.cta-banner p  { font-size: 1.05rem; opacity: .88; margin-bottom: 32px; }

/* ── Footer ── */
.footer {
  background: #001122;
  color: rgba(255,255,255,.75);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand { color: #fff; font-size: 1.1rem; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.footer-col p { font-size: .87rem; line-height: 1.7; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.footer-col h4 { color: #fff; font-size: .95rem; font-weight: 700; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: .87rem; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent-lt); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: .87rem; }
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ── Products Page ── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #001a3d 100%);
  color: #fff;
  padding: 60px 0 50px;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; margin-bottom: 10px; }
.page-hero p  { color: rgba(255,255,255,.75); font-size: 1.05rem; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: rgba(255,255,255,.55); margin-bottom: 16px; }
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: .4; }

.filter-bar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: var(--nav-h);
  z-index: 100;
  padding: 14px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.filter-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 7px 18px;
  border-radius: 24px;
  border: 2px solid var(--border);
  background: transparent;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.filter-count {
  margin-left: auto;
  font-size: .82rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Product search ── */
.product-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.search-icon {
  position: absolute;
  left: 11px;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
.product-search {
  padding: 8px 34px 8px 34px;
  border: 2px solid var(--border);
  border-radius: 24px;
  font-size: .85rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  outline: none;
  width: 200px;
  transition: border-color var(--transition), box-shadow var(--transition), width var(--transition);
}
.product-search:focus {
  border-color: var(--primary-lt);
  box-shadow: 0 0 0 3px rgba(0,74,153,.1);
  width: 260px;
  background: #fff;
}
.product-search::placeholder { color: var(--text-muted); }
/* hide browser's built-in clear button */
.product-search::-webkit-search-cancel-button { display: none; }
.search-clear {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  padding: 2px;
  color: var(--text-muted);
  display: none;
  align-items: center;
  cursor: pointer;
  border-radius: 50%;
  transition: color var(--transition), background var(--transition);
}
.search-clear:hover { color: var(--accent); background: rgba(224,92,0,.1); }
.search-clear.show { display: flex; }
.filter-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
  flex-shrink: 0;
}
/* No results message */
.no-results {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.no-results svg { margin: 0 auto 16px; opacity: .4; }
.no-results h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 8px; }
.no-results.show { display: block; }
@media (max-width: 768px) {
  .product-search { width: 140px; }
  .product-search:focus { width: 180px; }
  .filter-divider { display: none; }
}

/* ── Contact Page ── */
.contact-page { padding: 70px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.7fr;
  gap: 50px;
  align-items: start;
}
.contact-info h2 { font-size: 1.6rem; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.contact-info p  { color: var(--text-muted); font-size: .95rem; margin-bottom: 32px; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}
.contact-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary), var(--primary-lt));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-detail h4 { font-size: .9rem; font-weight: 700; color: var(--primary); margin-bottom: 2px; }
.contact-detail p  { font-size: .87rem; color: var(--text-muted); margin: 0; }

.contact-form-wrap {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.contact-form-wrap h3 { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.contact-form-wrap .sub { color: var(--text-muted); font-size: .9rem; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .93rem;
  font-family: inherit;
  color: var(--text);
  background: #fafbfd;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-lt);
  box-shadow: 0 0 0 3px rgba(0,74,153,.12);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6a7a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; }
.checkbox-group input { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; accent-color: var(--primary); }
.checkbox-group label { font-size: .87rem; color: var(--text-muted); font-weight: 400; }
.form-submit { margin-top: 8px; }
.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: var(--accent-lt); transform: translateY(-2px); }
.form-success, .form-error {
  display: none;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: .9rem;
  font-weight: 600;
  align-items: center;
  gap: 10px;
}
.form-success { background: #e6f7ee; color: #1a7a42; border: 1px solid #a8e6c1; }
.form-error   { background: #fdf0f0; color: #c0392b; border: 1px solid #f5b7b1; }
.form-success.show, .form-error.show { display: flex; }
.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25d366;
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .9rem;
  margin-top: 20px;
  transition: background var(--transition), transform var(--transition);
}
.whatsapp-link:hover { background: #1da850; color: #fff; transform: translateY(-2px); }

/* ── Scroll to top ── */
#scrollTop {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 46px;
  height: 46px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: background var(--transition), transform var(--transition);
}
#scrollTop:hover { background: var(--accent); transform: translateY(-3px); }
#scrollTop.show { display: flex; }

/* ── Animations ── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .5s ease, transform .5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (min-width: 768px) {
  .hero-inner { grid-template-columns: 1fr 1fr; }
  .hero-stats  { flex-wrap: nowrap; }
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--primary); padding: 16px; gap: 4px; box-shadow: 0 8px 20px rgba(0,0,0,.3); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { padding: 60px 0 50px; }
  .hero-visual { display: none; }
  .section { padding: 50px 0; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .filter-inner { gap: 7px; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}