/*
Theme Name: Airvent Pro SEO Trial (Audit Edition v2.0)
Theme URI: https://airventsystem.com/#airvent-pro-seo-trial
Author: Airvent SEO Audit Engineering Team
Author URI: https://raviairtech.in/
Description: SAFE SIDE-BY-SIDE TRIAL THEME (`airvent-pro-seo-trial`) with the exact Original AirVent Systems Blue (#004E98) & Lime Green (#5EC500) color palette, Full-Width Sliding Hero Background Banner, Visible Featured Images on all Blog Cards & Posts, Unified NAP, and all 18 Maharashtra + National Keyword SEO optimizations.
Version: 2.2.0-trial
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GPL v2 or later
Text Domain: airvent-pro-seo-trial
*/

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --av-blue: #004E98;
  --av-blue-dark: #002855;
  --av-blue-deep: #001B3A;
  --av-green: #5EC500;
  --av-green-hover: #4EA600;
  --av-slate: #1E293B;
  --av-muted: #475569;
  --av-light: #F4F8FB;
  --av-border: #DCE6F0;
  --av-white: #FFFFFF;
  --av-radius: 10px;
  --av-shadow: 0 10px 25px -5px rgba(0, 78, 152, 0.09), 0 8px 10px -6px rgba(0, 78, 152, 0.04);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--av-slate);
  background: var(--av-white);
}
a { color: var(--av-blue); text-decoration: none; transition: all 0.2s ease; }
a:hover { color: var(--av-green); }
img { max-width: 100%; height: auto; display: block; }

.av-container { width: 100%; max-width: 1260px; margin: 0 auto; padding: 0 20px; }

/* Top Unified NAP Bar (Original Royal Blue + Lime Green Accents) */
.av-topbar {
  background: var(--av-blue-deep);
  color: #E2E8F0;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 2px solid var(--av-green);
}
.av-topbar-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.av-topbar a { color: #FFFFFF; font-weight: 600; }
.av-topbar a:hover { color: var(--av-green); }
.av-topbar-items { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }

/* Main White Header matching Original Theme (image_a632ba.jpg) */
.av-header {
  background: var(--av-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 18px rgba(0, 40, 85, 0.08);
}
.av-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  gap: 20px;
}
.av-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.av-brand img {
  height: 54px;
  width: auto;
  object-fit: contain;
}
.av-nav { display: flex; align-items: center; gap: 26px; }
.av-nav > a, .av-dropdown-trigger {
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #1E293B;
  padding: 10px 4px;
  border-bottom: 3px solid transparent;
  cursor: pointer;
}
.av-nav > a:hover, .av-nav > a.active, .av-dropdown-trigger:hover {
  color: var(--av-blue);
  border-bottom-color: var(--av-green);
}
.av-dropdown { position: relative; }
.av-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 320px;
  background: var(--av-white);
  border: 1px solid var(--av-border);
  border-top: 3px solid var(--av-green);
  border-radius: 0 0 var(--av-radius) var(--av-radius);
  box-shadow: 0 20px 35px rgba(0, 40, 85, 0.15);
  padding: 8px 0;
  z-index: 1100;
}
.av-dropdown:hover .av-dropdown-menu { display: block; }
.av-dropdown-menu a {
  display: block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--av-slate);
}
.av-dropdown-menu a:hover {
  background: var(--av-light);
  color: var(--av-blue);
  padding-left: 22px;
}
.av-header-cta { display: flex; align-items: center; gap: 18px; }
.av-enquiry-call { text-align: right; line-height: 1.2; }
.av-enquiry-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #64748B;
}
.av-enquiry-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--av-blue-dark);
}

/* Buttons matching Original Theme (Lime Green + White Outline) */
.av-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 5px;
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 17px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}
.av-btn-primary {
  background: var(--av-green);
  color: #091A2B;
  border-color: var(--av-green);
}
.av-btn-primary:hover {
  background: var(--av-green-hover);
  border-color: var(--av-green-hover);
  color: #000000;
  transform: translateY(-1px);
}
.av-btn-outline-white {
  background: transparent;
  color: var(--av-white);
  border: 2px solid var(--av-white);
}
.av-btn-outline-white:hover {
  background: var(--av-white);
  color: var(--av-blue-dark);
}
.av-btn-outline {
  border: 2px solid var(--av-blue);
  color: var(--av-blue);
  background: transparent;
}
.av-btn-outline:hover {
  background: var(--av-blue);
  color: var(--av-white);
}

/* Full-Width Sliding Background Banner Hero Section */
.av-hero-slider {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  color: var(--av-white);
  overflow: hidden;
  background: var(--av-blue-dark);
}
.av-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1s ease-in-out, transform 5s ease-out;
  z-index: 1;
}
.av-slide-bg.active {
  opacity: 1;
  transform: scale(1);
}
/* Royal Blue + Dot Matrix Scrim Overlay over Sliding Banner Images (Matches image_a632ba.jpg) */
.av-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(rgba(255, 255, 255, 0.10) 1px, transparent 1px),
    linear-gradient(95deg, rgba(0, 68, 136, 0.90) 0%, rgba(0, 43, 91, 0.84) 55%, rgba(0, 24, 54, 0.78) 100%);
  background-size: 18px 18px, 100% 100%;
  z-index: 2;
}
.av-hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: 80px 0 70px 0;
}
.av-eyebrow {
  display: block;
  color: var(--av-green);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.2px;
  margin-bottom: 14px;
}
.av-hero-title {
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  font-size: 56px;
  line-height: 1.08;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 0 20px 0;
  color: var(--av-white);
  max-width: 980px;
}
.av-hero-title .av-green-text {
  color: var(--av-green);
}
.av-hero-lead {
  font-size: 18px;
  line-height: 1.6;
  color: #E2E8F0;
  max-width: 680px;
  margin: 0 0 30px 0;
}
.av-slider-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}
.av-slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}
.av-slider-dot.active {
  width: 34px;
  background: var(--av-green);
}
.av-slider-caption {
  font-size: 12.5px;
  color: #CBD5E1;
  background: rgba(0, 24, 54, 0.65);
  border-left: 3px solid var(--av-green);
  padding: 6px 12px;
  border-radius: 4px;
  display: inline-block;
  margin-top: 14px;
}

/* Inner Page Sub-Hero */
.av-subhero {
  background:
    radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(95deg, #004E98 0%, #002855 100%);
  background-size: 18px 18px, 100% 100%;
  color: var(--av-white);
  padding: 58px 0;
  border-bottom: 4px solid var(--av-green);
}
.av-subhero h1 {
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  font-size: 44px;
  text-transform: uppercase;
  margin: 0 0 12px 0;
  color: var(--av-white);
}
.av-subhero p {
  font-size: 17px;
  color: #E2E8F0;
  max-width: 780px;
  margin: 0;
}

/* Sections & Cards */
.av-section { padding: 68px 0; }
.av-section-alt { background: var(--av-light); }
.av-section-header { max-width: 760px; margin-bottom: 42px; }
.av-section-tag {
  color: var(--av-green-hover);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  display: block;
  margin-bottom: 8px;
}
.av-section-title {
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  font-size: 36px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--av-blue-dark);
  margin: 0 0 12px 0;
  line-height: 1.2;
}
.av-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.av-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.av-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

.av-card {
  background: var(--av-white);
  border: 1px solid var(--av-border);
  border-radius: var(--av-radius);
  overflow: hidden;
  box-shadow: var(--av-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.av-card:hover { transform: translateY(-4px); border-color: var(--av-green); }
.av-card-body { padding: 24px; flex-grow: 1; }
.av-card-footer { padding: 0 24px 22px 24px; }
.av-card h3 { margin: 0 0 10px 0; font-size: 20px; color: var(--av-blue-dark); }
.av-card p { margin: 0 0 16px 0; color: var(--av-muted); font-size: 15px; }

/* Visible Blog Featured Image Styles */
.av-blog-thumb-wrap {
  position: relative;
  width: 100%;
  height: 210px;
  overflow: hidden;
  background: var(--av-blue-dark);
  border-bottom: 3px solid var(--av-green);
}
.av-blog-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.av-card:hover .av-blog-thumb-wrap img {
  transform: scale(1.05);
}
.av-blog-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--av-green);
  color: #091A2B;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

/* Tables */
.av-table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  background: var(--av-white);
  border: 1px solid var(--av-border);
  border-radius: var(--av-radius);
  overflow: hidden;
}
.av-table th, .av-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--av-border);
  font-size: 15px;
}
.av-table th {
  background: var(--av-blue);
  color: var(--av-white);
  font-weight: 700;
}
.av-table tr:nth-child(even) td { background: #F4F8FB; }

/* FAQ Accordion */
.av-faq-item {
  border: 1px solid var(--av-border);
  border-left: 4px solid var(--av-green);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 14px;
  background: var(--av-white);
}
.av-faq-q { font-weight: 700; font-size: 17px; color: var(--av-blue-dark); margin: 0 0 8px 0; }
.av-faq-a { margin: 0; color: var(--av-muted); font-size: 15px; }

/* Maharashtra Local SEO Callout Banner */
.av-mh-box {
  background: linear-gradient(135deg, var(--av-blue) 0%, var(--av-blue-dark) 100%);
  color: var(--av-white);
  padding: 34px;
  border-radius: var(--av-radius);
  margin: 32px 0;
  border-left: 6px solid var(--av-green);
}
.av-mh-box h3 { color: var(--av-green); margin: 0 0 12px 0; font-size: 22px; }
.av-mh-box p { color: #E2E8F0; margin: 0; font-size: 15.5px; }

/* Floating WhatsApp & Call Action Buttons (Matches bottom-right of image_a632ba.jpg) */
.av-floating-actions {
  position: fixed;
  right: 22px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1200;
}
.av-float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 24px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  transition: transform 0.2s ease;
}
.av-float-btn:hover { transform: scale(1.08); color: #FFFFFF; }
.av-float-wa { background: #25D366; }
.av-float-call { background: #0056B3; }

/* Unified Global Footer */
.av-footer {
  background: var(--av-blue-deep);
  color: #CBD5E1;
  padding: 64px 0 32px 0;
  font-size: 14.5px;
  border-top: 4px solid var(--av-green);
}
.av-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1.2fr 0.8fr 1.2fr;
  gap: 36px;
  margin-bottom: 44px;
}
.av-footer h4 { color: var(--av-white); font-size: 16px; margin: 0 0 16px 0; font-weight: 700; border-bottom: 2px solid var(--av-green); display: inline-block; padding-bottom: 4px; }
.av-footer ul { list-style: none; padding: 0; margin: 0; }
.av-footer li { margin-bottom: 9px; }
.av-footer a { color: #CBD5E1; }
.av-footer a:hover { color: var(--av-green); }
.av-footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  font-size: 13.5px;
}

@media (max-width: 992px) {
  .av-grid-3, .av-grid-4, .av-grid-2, .av-footer-grid {
    grid-template-columns: 1fr;
  }
  .av-hero-title { font-size: 38px; }
  .av-nav { display: none; }
}