/* =========================================
   UNIQUE AIR SOLUTIONS - MAIN STYLESHEET
   Mobile-First, Premium UI
   ========================================= */

/* ---- CSS Variables ---- */
:root {
  --green-dark: #1a5c2a;
  --green-mid: #2e8b47;
  --green-light: #4caf65;
  --red-accent: #c0392b;
  --teal: #00b4d8;
  --teal-dark: #0077b6;
  --white: #ffffff;
  --off-white: #f4f8f4;
  --light-gray: #e8f0e9;
  --gray: #666;
  --dark: #1a1a1a;
  --shadow: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-hover: 0 8px 32px rgba(30,100,60,0.18);
  --radius: 12px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --font: 'Segoe UI', Arial, sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font); }

/* ---- Utility ---- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.section { padding: 60px 0; }
.section-title { font-size: clamp(1.5rem, 4vw, 2.2rem); color: var(--green-dark); font-weight: 800; margin-bottom: 10px; }
.section-subtitle { color: var(--gray); font-size: 1rem; margin-bottom: 40px; max-width: 600px; }
.badge { display: inline-block; background: var(--green-light); color: var(--white); font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; padding: 4px 14px; border-radius: 30px; margin-bottom: 12px; text-transform: uppercase; }
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-weight: 700; font-size: 0.95rem; transition: var(--transition); text-align: center; }
.btn-primary { background: var(--green-dark); color: var(--white); }
.btn-primary:hover { background: var(--green-mid); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-outline { border: 2px solid var(--green-dark); color: var(--green-dark); background: transparent; }
.btn-outline:hover { background: var(--green-dark); color: var(--white); }
.btn-white { background: var(--white); color: var(--green-dark); }
.btn-white:hover { background: var(--off-white); }
.text-center { text-align: center; }
.highlight { color: var(--green-mid); }
.red { color: var(--red-accent); }

/* ==================== NAVBAR ==================== */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.09);
  padding: 0 20px;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto;
  height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 48px; width: auto; }
.nav-logo-text { display: none; }
.nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); padding: 16px 20px; box-shadow: 0 8px 24px rgba(0,0,0,0.10); gap: 4px; }
.nav-links.open { display: flex; }
.nav-links a { padding: 10px 14px; border-radius: 8px; font-weight: 600; color: var(--dark); font-size: 0.97rem; transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { background: var(--green-dark); color: var(--white); }
.nav-cta { display: none; }
.hamburger { display: flex; flex-direction: column; gap: 5px; background: none; padding: 6px; }
.hamburger span { display: block; width: 24px; height: 2.5px; background: var(--green-dark); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Tablet/Desktop Nav */
@media (min-width: 768px) {
  .nav-logo-text { display: block; }
  .nav-logo-text h2 { font-size: 1.1rem; color: var(--green-dark); font-weight: 800; line-height: 1.2; }
  .nav-logo-text span { font-size: 0.7rem; color: var(--red-accent); font-weight: 700; letter-spacing: 0.5px; }
}
@media (min-width: 960px) {
  .nav-links { display: flex; flex-direction: row; position: static; box-shadow: none; padding: 0; background: transparent; }
  .hamburger { display: none; }
  .nav-cta { display: inline-block; }
}

/* ==================== HERO ==================== */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 60%, var(--teal) 100%);
  color: var(--white); padding: 70px 20px 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; right: -80px; top: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero::after {
  content: ''; position: absolute; left: -60px; bottom: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero-inner { max-width: var(--max-width); margin: 0 auto; position: relative; z-index: 1; }
.hero-tag { background: rgba(255,255,255,0.18); border: 1px solid rgba(255,255,255,0.3); border-radius: 30px; display: inline-block; padding: 5px 16px; font-size: 0.8rem; letter-spacing: 1px; font-weight: 700; margin-bottom: 18px; text-transform: uppercase; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 3.2rem); font-weight: 900; line-height: 1.2; margin-bottom: 18px; }
.hero p { font-size: clamp(0.97rem, 2vw, 1.15rem); opacity: 0.9; max-width: 560px; margin-bottom: 32px; }
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 48px; }
.stat-item { text-align: center; }
.stat-item .num { font-size: 2rem; font-weight: 900; color: var(--white); }
.stat-item .label { font-size: 0.8rem; opacity: 0.8; }

/* ==================== SERVICES CARDS ==================== */
.services-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.service-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  border: 2px solid transparent; transition: var(--transition);
  perspective: 1000px;
}
.service-card:hover { border-color: var(--green-light); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-card-icon { font-size: 2.5rem; margin-bottom: 12px; }
.service-card-inner { padding: 28px 24px; }
.service-card h3 { font-size: 1.1rem; color: var(--green-dark); font-weight: 800; margin-bottom: 10px; }
.service-card p { color: var(--gray); font-size: 0.92rem; }
.service-card .tag { display: inline-block; background: var(--light-gray); color: var(--green-dark); font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-top: 12px; text-transform: uppercase; }

/* ==================== WHY US ==================== */
.why-us { background: var(--off-white); }
.why-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.why-item { background: var(--white); border-radius: var(--radius); padding: 24px; display: flex; gap: 16px; align-items: flex-start; box-shadow: var(--shadow); transition: var(--transition); }
.why-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.why-icon { font-size: 2rem; flex-shrink: 0; }
.why-item h4 { font-size: 1rem; color: var(--green-dark); font-weight: 700; margin-bottom: 5px; }
.why-item p { font-size: 0.88rem; color: var(--gray); }

/* ==================== INDUSTRIES ==================== */
.industries-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.industry-item { background: var(--white); border-radius: var(--radius); padding: 20px 16px; text-align: center; box-shadow: var(--shadow); border-bottom: 3px solid var(--green-light); transition: var(--transition); }
.industry-item:hover { background: var(--green-dark); color: var(--white); transform: translateY(-4px); }
.industry-item:hover .ind-icon { filter: brightness(0) invert(1); }
.ind-icon { font-size: 2rem; margin-bottom: 8px; }
.industry-item h4 { font-size: 0.88rem; font-weight: 700; }

/* ==================== BRANDS ==================== */
.brands { background: var(--off-white); }
.brands-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; align-items: center; }
.brand-item { background: var(--white); border-radius: var(--radius); padding: 18px 28px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: var(--green-dark); transition: var(--transition); }
.brand-item:hover { transform: scale(1.05); box-shadow: var(--shadow-hover); }
.brand-icon { font-size: 1.6rem; }

/* ==================== CTA SECTION ==================== */
.cta-section {
  background: linear-gradient(135deg, var(--green-dark), var(--teal-dark));
  color: var(--white); text-align: center; padding: 60px 20px;
}
.cta-section h2 { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 900; margin-bottom: 14px; }
.cta-section p { opacity: 0.88; max-width: 500px; margin: 0 auto 28px; }
.cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }

/* ==================== FOOTER ==================== */
footer { background: var(--dark); color: rgba(255,255,255,0.8); padding: 50px 20px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 36px; max-width: var(--max-width); margin: 0 auto; }
.footer-brand img { height: 50px; margin-bottom: 14px; filter: brightness(0) invert(1) opacity(0.9); }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; max-width: 300px; }
.footer-col h4 { color: var(--white); font-size: 1rem; font-weight: 800; margin-bottom: 16px; border-left: 3px solid var(--green-light); padding-left: 10px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.7); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--green-light); padding-left: 4px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 0.88rem; }
.footer-contact-item .icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 40px; padding: 18px 0; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5); max-width: var(--max-width); margin-left: auto; margin-right: auto; }

/* ==================== ABOUT PAGE ==================== */
.about-hero { background: linear-gradient(135deg, var(--green-dark), var(--teal-dark)); padding: 70px 20px; color: var(--white); }
.about-hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 900; margin-bottom: 14px; }
.about-hero p { opacity: 0.88; max-width: 560px; }
.about-content { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.about-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-hover); }
.about-img img { width: 100%; }
.info-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.info-card { background: var(--light-gray); border-radius: var(--radius); padding: 18px; text-align: center; border-top: 3px solid var(--green-mid); }
.info-card .val { font-size: 1.6rem; font-weight: 900; color: var(--green-dark); }
.info-card .key { font-size: 0.78rem; color: var(--gray); font-weight: 600; text-transform: uppercase; }
.directors-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.director-card { background: var(--white); border-radius: var(--radius); padding: 30px 24px; text-align: center; box-shadow: var(--shadow); border-bottom: 4px solid var(--green-light); }
.director-avatar { width: 80px; height: 80px; border-radius: 50%; background: var(--green-dark); color: var(--white); font-size: 2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.director-card h3 { color: var(--green-dark); font-size: 1.1rem; font-weight: 800; }
.director-card span { color: var(--gray); font-size: 0.85rem; }
.values-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.value-item { background: var(--white); border-radius: var(--radius); padding: 24px; display: flex; gap: 16px; box-shadow: var(--shadow); }
.value-icon { font-size: 2rem; flex-shrink: 0; }
.value-item h4 { color: var(--green-dark); font-weight: 800; margin-bottom: 4px; }
.value-item p { color: var(--gray); font-size: 0.88rem; }
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: var(--green-light); }
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item::before { content: ''; position: absolute; left: -24px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--green-dark); border: 3px solid var(--green-light); }
.timeline-item .year { font-size: 0.8rem; font-weight: 700; color: var(--green-mid); text-transform: uppercase; letter-spacing: 1px; }
.timeline-item h4 { font-size: 1rem; font-weight: 800; color: var(--dark); margin: 4px 0 4px; }
.timeline-item p { font-size: 0.88rem; color: var(--gray); }
.bg-light { background: var(--off-white); }

/* ==================== SERVICES PAGE ==================== */
.services-hero { background: linear-gradient(135deg, var(--green-dark), var(--teal-dark)); padding: 70px 20px; color: var(--white); }
.services-hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 900; margin-bottom: 14px; }
.product-section { padding: 50px 0; border-bottom: 1px solid var(--light-gray); }
.product-section:last-child { border-bottom: none; }
.product-header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.product-brand-logo { background: var(--green-dark); color: var(--white); padding: 8px 18px; border-radius: 8px; font-weight: 900; font-size: 1.1rem; }
.product-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.product-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); border: 2px solid transparent; }
.product-card:hover { border-color: var(--green-light); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.product-card-img { background: var(--light-gray); height: 180px; display: flex; align-items: center; justify-content: center; font-size: 4rem; }
.product-card-body { padding: 20px; }
.product-card h3 { color: var(--green-dark); font-size: 1rem; font-weight: 800; margin-bottom: 8px; }
.product-card p { color: var(--gray); font-size: 0.87rem; }
.product-specs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.spec-tag { background: var(--light-gray); color: var(--green-dark); font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.service-support-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.support-card { background: var(--white); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); border-left: 4px solid var(--green-mid); transition: var(--transition); }
.support-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.support-card .icon { font-size: 2rem; margin-bottom: 12px; }
.support-card h3 { color: var(--green-dark); font-size: 1rem; font-weight: 800; margin-bottom: 8px; }
.support-card p { color: var(--gray); font-size: 0.88rem; }

/* ==================== CONTACT PAGE ==================== */
.contact-hero { background: linear-gradient(135deg, var(--green-dark), var(--teal-dark)); padding: 70px 20px; color: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 36px; }
.contact-form-wrap { background: var(--white); border-radius: var(--radius); padding: 32px 24px; box-shadow: var(--shadow); }
.contact-form-wrap h2 { color: var(--green-dark); font-size: 1.3rem; font-weight: 800; margin-bottom: 22px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 14px; border: 2px solid var(--light-gray); border-radius: 8px; font-family: var(--font); font-size: 0.95rem; transition: var(--transition); background: var(--off-white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--green-mid); outline: none; background: var(--white); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-error { color: var(--red-accent); font-size: 0.78rem; margin-top: 4px; display: none; }
.form-group.error .form-error { display: block; }
.form-group.error input, .form-group.error textarea, .form-group.error select { border-color: var(--red-accent); }
.form-success { background: #e8f5e9; border: 1px solid var(--green-mid); color: var(--green-dark); padding: 14px 18px; border-radius: 8px; text-align: center; display: none; font-weight: 600; margin-top: 12px; }
.contact-info-cards { display: grid; grid-template-columns: 1fr; gap: 16px; }
.contact-info-card { background: var(--white); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); display: flex; gap: 16px; align-items: flex-start; border-left: 4px solid var(--green-light); transition: var(--transition); }
.contact-info-card:hover { transform: translateY(-3px); }
.contact-info-card .icon { font-size: 1.8rem; flex-shrink: 0; }
.contact-info-card h4 { color: var(--green-dark); font-weight: 800; margin-bottom: 4px; font-size: 0.95rem; }
.contact-info-card p, .contact-info-card a { color: var(--gray); font-size: 0.88rem; line-height: 1.6; }
.contact-info-card a:hover { color: var(--green-mid); }
.map-embed { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-top: 28px; }
.map-embed iframe { width: 100%; height: 280px; border: none; }

/* ==================== INTERIOR PAGES ==================== */
.page-hero { background: linear-gradient(135deg, var(--green-dark), var(--teal-dark)); padding: 60px 20px; color: var(--white); }
.page-hero h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 900; margin-bottom: 10px; }
.page-hero p { opacity: 0.88; }
.breadcrumb { font-size: 0.82rem; margin-bottom: 12px; opacity: 0.75; }
.breadcrumb a { color: var(--white); opacity: 0.7; }
.breadcrumb a:hover { opacity: 1; }
.prose-section { padding: 50px 0; max-width: 820px; }
.prose-section h2 { color: var(--green-dark); font-size: 1.2rem; font-weight: 800; margin: 28px 0 10px; }
.prose-section p { color: var(--gray); margin-bottom: 14px; font-size: 0.95rem; }
.prose-section ul { margin: 10px 0 14px 20px; list-style: disc; color: var(--gray); font-size: 0.95rem; }
.prose-section ul li { margin-bottom: 6px; }
.sitemap-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.sitemap-section { background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.sitemap-section h3 { color: var(--green-dark); font-weight: 800; margin-bottom: 14px; border-bottom: 2px solid var(--light-gray); padding-bottom: 10px; }
.sitemap-section ul li { margin-bottom: 8px; }
.sitemap-section ul li a { color: var(--green-mid); font-size: 0.95rem; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.sitemap-section ul li a:hover { color: var(--green-dark); }
.notfound { text-align: center; padding: 100px 20px; }
.notfound h1 { font-size: 5rem; color: var(--green-dark); font-weight: 900; }
.notfound h2 { font-size: 1.5rem; margin-bottom: 16px; }
.notfound p { color: var(--gray); margin-bottom: 28px; }

/* ==================== FLOATING BUTTONS ==================== */
.wa-float {
  position: fixed; bottom: 100px; right: 20px; z-index: 900;
  background: #25D366; width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: var(--transition); text-decoration: none;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 28px; height: 28px; fill: white; }

/* ==================== CHATBOT ==================== */
.chatbot-toggle {
  position: fixed; bottom: 28px; right: 20px; z-index: 1000;
  background: var(--green-dark); width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(30,92,42,0.4); color: white; font-size: 1.5rem;
  transition: var(--transition);
}
.chatbot-toggle:hover { background: var(--green-mid); transform: scale(1.08); }
.chatbot-box {
  position: fixed; bottom: 96px; right: 20px; z-index: 999;
  width: calc(100vw - 40px); max-width: 340px;
  background: var(--white); border-radius: var(--radius); box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  display: none; flex-direction: column; overflow: hidden;
  animation: slideUp 0.3s ease;
}
.chatbot-box.open { display: flex; }
@keyframes slideUp { from { opacity:0; transform: translateY(20px); } to { opacity:1; transform: translateY(0); } }
.chatbot-header { background: var(--green-dark); color: white; padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; }
.chatbot-header-info { display: flex; align-items: center; gap: 10px; }
.bot-avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.chatbot-header h4 { font-size: 0.95rem; font-weight: 700; }
.chatbot-header p { font-size: 0.7rem; opacity: 0.8; }
.chatbot-close { background: none; color: white; font-size: 1.3rem; padding: 4px 8px; border-radius: 6px; }
.chatbot-close:hover { background: rgba(255,255,255,0.15); }
.chatbot-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.bot-msg { background: var(--light-gray); border-radius: 0 12px 12px 12px; padding: 10px 14px; font-size: 0.88rem; color: var(--dark); max-width: 85%; }
.chatbot-input-group label { font-size: 0.78rem; font-weight: 700; color: var(--gray); display: block; margin-bottom: 4px; }
.chatbot-input-group input, .chatbot-input-group textarea { width: 100%; padding: 9px 12px; border: 2px solid var(--light-gray); border-radius: 8px; font-size: 0.88rem; font-family: var(--font); }
.chatbot-input-group input:focus, .chatbot-input-group textarea:focus { border-color: var(--green-mid); outline: none; }
.chatbot-input-group textarea { resize: none; height: 70px; }
.chatbot-send-wa { display: flex; align-items: center; justify-content: center; gap: 8px; background: #25D366; color: white; border-radius: 8px; padding: 11px; font-weight: 700; font-size: 0.9rem; width: 100%; margin-top: 4px; transition: var(--transition); }
.chatbot-send-wa:hover { background: #1da851; }

/* ==================== RESPONSIVE GRID UPGRADES ==================== */
@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .directors-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .service-support-grid { grid-template-columns: repeat(2, 1fr); }
  .sitemap-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-info-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .about-content { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1.1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.2fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .service-support-grid { grid-template-columns: repeat(3, 1fr); }
  .sitemap-grid { grid-template-columns: repeat(4, 1fr); }
  .directors-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .industries-grid { grid-template-columns: repeat(5, 1fr); }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==================== SCROLL ANIMATIONS ==================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }