*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #1a56db;
  --blue-dark: #1340b0;
  --accent: #0ea5e9;
  --text: #1e293b;
  --muted: #64748b;
  --light-bg: #f1f5f9;
  --white: #ffffff;
  --radius: 12px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', sans-serif; color: var(--text); font-size: 15px; line-height: 1.6; }

a { text-decoration: none; color: inherit; }
ul { list-style: none; padding: 0; }

.container { max-width: 1150px; margin: 0 auto; padding: 0 20px; }

/* ---- HEADER ---- */
header {
  background: var(--white);
  border-bottom: 1px solid #e2e8f0;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,.07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 2rem; }
.logo h1 { font-size: 1.25rem; color: var(--blue); font-weight: 700; }
.logo p { font-size: .75rem; color: var(--muted); }
nav { display: flex; align-items: center; gap: 24px; }
nav a { color: var(--text); font-size: .9rem; font-weight: 500; transition: color .2s; }
nav a:hover { color: var(--blue); }
.btn-nav { background: var(--blue); color: #fff !important; padding: 8px 18px; border-radius: 8px; transition: background .2s; }
.btn-nav:hover { background: var(--blue-dark); }
.hamburger { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }
.mobile-nav { display: none; flex-direction: column; background: var(--white); padding: 12px 20px; border-top: 1px solid #e2e8f0; gap: 12px; }
.mobile-nav a { font-weight: 500; color: var(--text); }
.mobile-nav.open { display: flex; }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, #1a56db 0%, #0ea5e9 100%);
  color: #fff;
  padding: 80px 20px;
  display: flex; align-items: center; justify-content: center; gap: 60px;
  text-align: left;
}
.hero-content { max-width: 560px; }
.badge { background: rgba(255,255,255,.2); padding: 5px 14px; border-radius: 20px; font-size: .8rem; letter-spacing: .5px; }
.hero-content h2 { font-size: 2.4rem; font-weight: 800; margin: 16px 0 12px; line-height: 1.2; }
.hero-content p { font-size: 1rem; opacity: .9; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary { background: #fff; color: var(--blue); padding: 12px 26px; border-radius: 8px; font-weight: 700; transition: transform .15s; border: none; cursor: pointer; font-size: .95rem; display: inline-block; }
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline { border: 2px solid #fff; color: #fff; padding: 11px 26px; border-radius: 8px; font-weight: 600; transition: background .2s; display: inline-block; font-size: .95rem; }
.btn-outline:hover { background: rgba(255,255,255,.15); }
.hero-image { font-size: 9rem; opacity: .85; }

/* ---- TRUST BAR ---- */
.trust-bar { background: var(--blue-dark); color: #fff; padding: 14px 20px; }
.trust-inner { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 10px; text-align: center; font-size: .9rem; font-weight: 500; }

/* ---- SECTIONS ---- */
.section { padding: 72px 20px; }
.bg-light { background: var(--light-bg); }
.section-title { font-size: 2rem; font-weight: 800; text-align: center; color: var(--text); }
.section-sub { text-align: center; color: var(--muted); margin: 8px 0 40px; }

/* ---- BRANDS ---- */
.brands-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 22px; }
.brand-card {
  background: #fff; border-radius: var(--radius); padding: 28px 20px; text-align: center;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
  transition: transform .2s, box-shadow .2s;
}
.brand-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.brand-logo {
  width: 60px; height: 60px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 800; color: #fff; margin: 0 auto 14px;
}
.glassco   { background: #1a56db; }
.borosil   { background: #dc2626; }
.himedia   { background: #16a34a; }
.qualigence{ background: #9333ea; }
.sigma     { background: #ea580c; }
.other     { background: #0891b2; }
.brand-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.brand-card p  { font-size: .84rem; color: var(--muted); margin-bottom: 14px; }
.auth-badge { background: #dcfce7; color: #15803d; font-size: .73rem; padding: 4px 10px; border-radius: 20px; font-weight: 600; }

/* ---- CATEGORIES ---- */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 22px; }
.cat-card {
  background: #fff; border-radius: var(--radius); padding: 28px 20px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
  transition: transform .2s;
}
.cat-card:hover { transform: translateY(-4px); }
.cat-icon { font-size: 2.2rem; margin-bottom: 12px; }
.cat-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.cat-card ul li { font-size: .84rem; color: var(--muted); padding: 3px 0; border-bottom: 1px dashed #e2e8f0; }
.cat-card ul li:last-child { border: none; }

/* ---- WHY US ---- */
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.why-card {
  background: #fff; border-radius: var(--radius); padding: 28px 22px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.why-card span { font-size: 2rem; }
.why-card h3 { margin: 10px 0 6px; font-size: 1rem; font-weight: 700; }
.why-card p { font-size: .84rem; color: var(--muted); }

/* ---- CONTACT ---- */
.contact-wrap { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid #cbd5e1;
  border-radius: 8px; font-size: .9rem; font-family: inherit;
  transition: border-color .2s; outline: none;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--blue); }
.contact-form .btn-primary { width: 100%; text-align: center; }
.form-note { font-size: .85rem; color: #16a34a; text-align: center; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.info-block { display: flex; gap: 14px; align-items: flex-start; background: #fff; padding: 16px; border-radius: var(--radius); border: 1px solid #e2e8f0; }
.info-block span { font-size: 1.5rem; }
.info-block strong { display: block; font-size: .9rem; margin-bottom: 4px; }
.info-block p, .info-block a { font-size: .85rem; color: var(--muted); }
.info-block a:hover { color: var(--blue); }

/* ---- FOOTER ---- */
footer { background: #0f172a; color: #94a3b8; padding: 50px 20px 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #1e293b; }
footer h3 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
footer h4 { color: #fff; font-size: .9rem; margin-bottom: 10px; }
footer p, footer a { font-size: .85rem; line-height: 1.9; color: #94a3b8; display: block; }
footer a:hover { color: #fff; }
.footer-bottom { text-align: center; padding: 16px; font-size: .8rem; color: #475569; }

/* ---- RESPONSIVE ---- */
@media(max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding: 60px 20px; }
  .hero-btns { justify-content: center; }
  .hero-image { font-size: 6rem; }
  .hero-content h2 { font-size: 1.8rem; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media(max-width: 640px) {
  nav { display: none; }
  .hamburger { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
}