:root {
  --brand-blue: #084d6e;
  --brand-blue-dark: #042a3d;
  --brand-green: #28a745;
  --brand-green-hover: #218838;
  --dark: #1a252f;
  --text: #334155;
  --text-muted: #64748b;
  --light-bg: #f8fafc;
  --gray-border: #e2e8f0;
  --white: #ffffff;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background-color: var(--white);
  line-height: 1.6;
}

h1, h2, h3, h4, .brand-font {
  font-family: 'Oswald', sans-serif;
  color: var(--brand-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Bar */
.top-bar {
  background: var(--brand-blue-dark);
  color: #94a3b8;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar a {
  color: #e2e8f0;
  transition: var(--transition);
}

.top-bar a:hover {
  color: var(--brand-green);
}

.top-info {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* Navigation */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(8, 77, 110, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  height: 45px;       /* Adjust height as needed to fit your header */
  width: auto;        /* Keeps the exact proportional width */
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text h2 {
  font-size: 1.45rem;
  margin: 0;
  color: var(--brand-blue);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-text span {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--brand-green);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

.nav-links li a {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--dark);
  transition: var(--transition);
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--brand-green);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 26px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 2px solid transparent;
  text-align: center;
}

.btn-green {
  background: var(--brand-green);
  color: var(--white);
}

.btn-green:hover {
  background: var(--brand-green-hover);
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-blue {
  background: var(--brand-blue);
  color: var(--white);
}

.btn-blue:hover {
  background: var(--brand-blue-dark);
}

.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--brand-blue);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--brand-blue);
  cursor: pointer;
}

/* Subpage Header */
.page-hero {
  background: linear-gradient(rgba(4, 42, 61, 0.92), rgba(8, 77, 110, 0.92)), url('images/Industrial Fans (Power Plants).png') center/cover;
  color: var(--white);
  padding: 65px 0;
  text-align: center;
  border-bottom: 4px solid var(--brand-green);
}

.page-hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  margin-bottom: 8px;
}

.page-hero p {
  max-width: 720px;
  margin: 0 auto;
  color: #cbd5e1;
  font-size: 1.05rem;
}

/* Home Hero Section */
.hero {
  position: relative;
  background: 
    linear-gradient(
      105deg, 
      rgba(38, 79, 99, 0.92) 0%, 
      rgba(45, 87, 107, 0.88) 50%, 
      rgba(26, 56, 70, 0.85) 100%
    ),
    url('images/Industrial Fans (Power Plants).png') center center / cover no-repeat;
  color: var(--white);
  padding: 130px 0 110px;
  min-height: 75vh;
  display: flex;
  align-items: center;
  border-left: 6px solid var(--brand-green);
  border-bottom: 4px solid var(--brand-green);
}

.hero-content {
  max-width: 840px;
}

.hero-tagline {
  display: inline-block;
  background: rgba(40, 167, 69, 0.18);
  border-left: 3px solid var(--brand-green);
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #4ade80;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 22px;
}

.hero h1 {
  color: var(--white);
  font-family: 'Oswald', sans-serif;
  font-size: 3.4rem;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero p {
  font-size: 1.1rem;
  color: #e2e8f0;
  line-height: 1.65;
  margin-bottom: 35px;
  max-width: 680px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-btns .btn-green {
  background: #28a745;
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-size: 0.9rem;
  border: 2px solid #28a745;
  transition: var(--transition);
}

.hero-btns .btn-green:hover {
  background: #218838;
  border-color: #218838;
}

.hero-btns .btn-enquiry {
  background: rgba(38, 79, 99, 0.6);
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-size: 0.9rem;
  border: 2px solid #ffffff;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}

.hero-btns .btn-enquiry:hover {
  background: #ffffff;
  color: #1a3846;
}

/* Trust Strip */
.trust-bar {
  background: var(--light-bg);
  border-bottom: 1px solid var(--gray-border);
  padding: 22px 0;
}

.trust-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--brand-blue-dark);
  font-size: 0.95rem;
}

.trust-item i {
  color: var(--brand-green);
  font-size: 1.3rem;
}

/* Universal Content Styles */
.section {
  padding: 80px 0;
}

.bg-alt {
  background: var(--light-bg);
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 50px;
}

.section-header span {
  color: var(--brand-green);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.section-header h2 {
  font-size: 2.3rem;
  margin: 8px 0 16px;
}

.section-header p {
  color: var(--text-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 40px;
  align-items: center;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: 0 10px 25px rgba(8, 77, 110, 0.12);
  transform: translateY(-4px);
  border-color: #cbd5e1;
}

.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--brand-blue);
}

.card-body p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}

.card-meta {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-green);
  text-transform: uppercase;
  border-top: 1px solid var(--gray-border);
  padding-top: 12px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.value-box {
  background: var(--white);
  padding: 26px 22px;
  border-left: 4px solid var(--brand-green);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  border-radius: 0 4px 4px 0;
  border-top: 1px solid var(--gray-border);
  border-right: 1px solid var(--gray-border);
  border-bottom: 1px solid var(--gray-border);
}

.value-box h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.value-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.process-step {
  background: var(--white);
  padding: 24px 16px;
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  text-align: center;
  transition: var(--transition);
}

.process-step:hover {
  border-color: var(--brand-green);
  box-shadow: 0 6px 15px rgba(8, 77, 110, 0.08);
}

.step-num {
  width: 44px;
  height: 44px;
  background: var(--brand-blue);
  color: var(--white);
  font-weight: 700;
  font-size: 1.15rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 2px solid var(--brand-green);
}

.process-step h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Filter Controls */
.filter-wrapper {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 9px 20px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 4px;
  transition: var(--transition);
  color: var(--brand-blue);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--brand-blue);
  color: var(--white);
  border-color: var(--brand-blue);
}

/* Contact Form Layout */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
}

.contact-info-panel {
  background: var(--brand-blue);
  color: var(--white);
  padding: 40px;
  border-radius: 6px;
  border-top: 5px solid var(--brand-green);
}

.contact-info-panel h3 {
  color: var(--white);
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.contact-detail {
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-detail i {
  color: var(--brand-green);
  font-size: 1.25rem;
  margin-top: 4px;
}

.contact-detail h5 {
  color: #94a3b8;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.contact-detail p {
  font-size: 0.95rem;
  color: #f1f5f9;
}

.form-box {
  background: var(--white);
  padding: 40px;
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-blue-dark);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--gray-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(8, 77, 110, 0.12);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

/* Footer */
footer {
  background: var(--brand-blue-dark);
  color: #94a3b8;
  padding: 70px 0 20px;
  font-size: 0.9rem;
  border-top: 4px solid var(--brand-green);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.footer-col p {
  margin-bottom: 16px;
  line-height: 1.7;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cbd5e1;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--brand-green);
  padding-left: 4px;
}

.copyright-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
}

/* Responsiveness */
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 20px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  }
  .nav-links.show { display: flex; }
  .form-group-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { 
    padding: 90px 0 70px;
    min-height: auto;
  }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 0.98rem; }
}