/* ===== CSS VARIABLES (Change branding here) ===== */
:root {
  --primary: #0052CC;
  --primary-dark: #003D99;
  --primary-light: #E6F0FF;
  --accent: #FF6B00;
  --accent-dark: #E05E00;
  --dark: #1A1A2E;
  --gray-900: #2D2D3F;
  --gray-700: #4A4A5A;
  --gray-500: #7A7A8A;
  --gray-300: #C4C4D0;
  --gray-100: #F0F0F5;
  --white: #FFFFFF;
  --success: #00A86B;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--gray-700);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--dark); line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p { margin-bottom: 1rem; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

/* ===== HEADER ===== */
.header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.header-top {
  background: var(--dark);
  color: var(--gray-300);
  font-size: 0.85rem;
  padding: 0.4rem 0;
}
.header-top .container {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;
}
.header-top a { color: var(--gray-300); }
.header-top a:hover { color: var(--white); }
.header-main { padding: 0.8rem 0; }
.header-main .container {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon {
  width: 44px; height: 44px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 800; font-size: 1.1rem;
}
.logo-text h1 { font-size: 1.3rem; margin: 0; line-height: 1.1; }
.logo-text span { font-size: 0.75rem; color: var(--gray-500); letter-spacing: 0.5px; }

/* Navigation */
.nav { display: flex; align-items: center; gap: 0; }
.nav a {
  padding: 0.5rem 0.9rem;
  color: var(--gray-700);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav a:hover, .nav a.active { color: var(--primary); background: var(--primary-light); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' \25BE'; font-size: 0.7rem; }
.dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--white);
  min-width: 240px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem 0;
  z-index: 100;
}
.dropdown-menu a { display: block; padding: 0.6rem 1.2rem; font-size: 0.85rem; border-radius: 0; }
.dropdown-menu a:hover { background: var(--primary-light); }
.nav-dropdown:hover .dropdown-menu { display: block; }

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  font-weight: 600 !important;
  padding: 0.6rem 1.2rem !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }

/* Mobile menu toggle */
.menu-toggle {
  display: none; background: none; border: none; cursor: pointer;
  font-size: 1.5rem; color: var(--dark); padding: 0.5rem;
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute; top: 0; right: 0; bottom: 0;
  width: 40%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="100" cy="100" r="80" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="2"/><circle cx="100" cy="100" r="60" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="2"/></svg>') center/contain no-repeat;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 1rem; color: var(--white); }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 600px; margin-bottom: 2rem; }
.hero-stats {
  display: flex; gap: 2.5rem; margin-top: 2.5rem; flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .number { font-size: 2rem; font-weight: 800; color: var(--accent); display: block; }
.hero-stat .label { font-size: 0.8rem; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 1px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer; border: none;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.3); }
.btn-secondary:hover { border-color: var(--white); color: var(--white); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== SECTIONS ===== */
.section { padding: 4rem 0; }
.section-alt { background: var(--gray-100); }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { color: var(--gray-500); max-width: 600px; margin: 0.75rem auto 0; font-size: 1.05rem; }
.section-header .badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
}

/* ===== PRODUCT CARDS ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--gray-100);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-icon {
  height: 160px;
  background: linear-gradient(135deg, var(--primary-light), #dbeafe);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--primary);
}
.card-body { padding: 1.25rem; }
.card-body h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.card-body p { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 1rem; }
.card-link {
  font-size: 0.85rem; font-weight: 600; color: var(--primary);
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.card-link:hover { gap: 0.6rem; }

/* ===== BRAND STRIP ===== */
.brand-strip { padding: 3rem 0; background: var(--white); border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); }
.brand-logos {
  display: flex; justify-content: center; align-items: center;
  gap: 3rem; flex-wrap: wrap;
}
.brand-logo {
  padding: 0.75rem 1.5rem;
  background: var(--gray-100);
  border-radius: var(--radius);
  font-weight: 700; font-size: 0.95rem;
  color: var(--gray-700);
  white-space: nowrap;
}
.brand-logo span { display: block; font-size: 0.7rem; font-weight: 400; color: var(--gray-500); text-align: center; }

/* ===== INDUSTRY CARDS ===== */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.industry-card {
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  text-align: center;
  transition: all var(--transition);
}
.industry-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.industry-card .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.industry-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.industry-card p { font-size: 0.8rem; color: var(--gray-500); }

/* ===== USP SECTION ===== */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}
.usp-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
}
.usp-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--primary-light);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--primary);
}
.usp-item h3 { font-size: 0.95rem; margin-bottom: 0.3rem; }
.usp-item p { font-size: 0.85rem; color: var(--gray-500); margin: 0; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 3.5rem 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 500px; margin: 0 auto 1.5rem; }

/* ===== FAQ / AEO ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.faq-question {
  width: 100%; padding: 1rem 1.25rem;
  background: var(--white);
  border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.95rem; font-weight: 600; color: var(--dark);
  text-align: left;
  font-family: var(--font-body);
}
.faq-question:hover { background: var(--gray-100); }
.faq-question::after { content: '+'; font-size: 1.2rem; color: var(--primary); transition: transform var(--transition); }
.faq-item.open .faq-question::after { content: '\2212'; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 1.25rem;
  font-size: 0.9rem; color: var(--gray-700);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 1.25rem 1.25rem; }

/* ===== PRODUCT DETAIL PAGE ===== */
.product-hero {
  background: var(--gray-100);
  padding: 2rem 0;
}
.breadcrumb {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--gray-500);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--primary); }

.product-list { list-style: none; padding: 0; }
.product-list li {
  padding: 1.5rem;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  background: var(--white);
  transition: all var(--transition);
}
.product-list li:hover { box-shadow: var(--shadow-md); }
.product-list h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.product-list .brand { font-size: 0.8rem; color: var(--primary); font-weight: 600; margin-bottom: 0.5rem; }
.product-list p { font-size: 0.9rem; margin-bottom: 0.75rem; }
.spec-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.spec-tag {
  background: var(--primary-light);
  color: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ===== ABOUT PAGE ===== */
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--primary-light); }
.timeline-item { position: relative; margin-bottom: 2rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -2.35rem; top: 0.3rem;
  width: 12px; height: 12px;
  background: var(--primary);
  border-radius: 50%;
  border: 2px solid var(--white);
}
.timeline-item h4 { font-size: 0.95rem; margin-bottom: 0.3rem; }
.timeline-item p { font-size: 0.85rem; color: var(--gray-500); margin: 0; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-info-card {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.contact-info-card .icon { font-size: 1.5rem; color: var(--primary); flex-shrink: 0; }
.contact-info-card h4 { font-size: 0.95rem; margin-bottom: 0.2rem; }
.contact-info-card p { font-size: 0.85rem; color: var(--gray-500); margin: 0; }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--dark); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.7rem 1rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: var(--gray-300); padding: 3rem 0 1.5rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 1rem; }
.footer p { font-size: 0.85rem; line-height: 1.7; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: var(--gray-300); font-size: 0.85rem; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; flex-wrap: wrap; gap: 1rem;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: transform var(--transition);
  color: white; font-size: 1.6rem;
}
.whatsapp-float:hover { transform: scale(1.1); color: white; }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); box-shadow: var(--shadow-lg); padding: 1rem; }
  .nav.open a { padding: 0.75rem 1rem; }
  .dropdown-menu { position: static; box-shadow: none; padding-left: 1rem; display: none; }
  .nav-dropdown.open .dropdown-menu { display: block; }
  .menu-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0; }
}
@media (max-width: 640px) {
  .header-top .container { font-size: 0.75rem; }
  .hero-stats { gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .brand-logos { gap: 1rem; }
  .section { padding: 3rem 0; }
}