:root {
    --dark-blue: #071e3d;
    --light-blue: #00a8ff;
    --light-green: #2ecc71;
    --whatsapp-green: #25D366;
    --whatsapp-dark: #128C7E;
    --white: #ffffff;
    --bg-soft: #f4f9ff;
}

body { 
    font-family: 'Poppins', sans-serif; 
    color: #333; 
    margin: 0; 
    scroll-behavior: smooth; 
    overflow-x: hidden;
}

/* --- Navbar & Navigation --- */
.navbar { 
    background: var(--white); 
    padding: 10px 0; 
    z-index: 2000; 
    transition: 0.3s all ease;
}

.nav-logo { height: 65px; width: auto; object-fit: contain; }

.nav-link { 
    font-weight: 600; 
    color: var(--dark-blue) !important; 
    margin: 0 10px; 
    font-size: 0.9rem;
    text-transform: uppercase;
    position: relative;
    transition: 0.3s;
}

/* Navbar active state */
.nav-link.active {
    color: var(--light-blue) !important;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 10px;
    right: 10px;
    height: 2px;
    background: var(--light-blue);
}

/* WhatsApp Button */
.contact-btn {
    background: var(--whatsapp-green) !important;
    color: white !important;
    border-radius: 5px;
    padding: 10px 25px !important;
    font-weight: 700;
    transition: 0.3s translateY ease, 0.3s background ease;
    border: none;
}

.contact-btn:hover {
    background: var(--whatsapp-dark) !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

/* --- Sub-Page Header (About/Equipment) --- */
.page-header {
    padding: 180px 0 100px;
    background-size: cover;
    background-position: center;
    position: relative;
    margin-bottom: 20px;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,0.5);
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    width: 100%;
    overflow: hidden;
}

.heroSwiper { height: 100%; }

.hero-slide {
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text-box {
    max-width: 800px;
    padding: 20px;
}

.hero-text-box h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-text-box h1 span {
    color: var(--light-green);
}

.hero-text-box p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
    margin-bottom: 35px;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* --- Buttons --- */
.btn-light-green { background: var(--light-green); color: white; padding: 14px 35px; border: none; font-weight: 600; border-radius: 5px; transition: 0.3s; }
.btn-light-blue-fill { background: var(--light-blue); color: white; padding: 14px 35px; border: none; font-weight: 600; border-radius: 5px; transition: 0.3s; }

.btn-light-green:hover, .btn-light-blue-fill:hover {
    transform: translateY(-3px);
    filter: brightness(1.1);
    color: white;
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 10;
    line-height: 0;
}
.hero-wave svg { width: 100%; height: 100px; }

/* --- Services & Content Sections --- */
.services-section { background-color: var(--bg-soft); padding: 80px 0; }
.bg-soft { background-color: var(--bg-soft); }
.green-divider { width: 60px; height: 4px; background: var(--light-green); margin: 15px auto 0; }

.service-card-pro {
    background: var(--white);
    padding: 45px 30px;
    border-radius: 20px;
    text-align: center;
    height: 100%;
    transition: 0.4s;
    position: relative;
    border: 1px solid rgba(0,0,0,0.03);
}

.service-card-pro:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(7, 30, 61, 0.1);
}

.card-icon-wrapper {
    width: 85px;
    height: 85px;
    background: var(--bg-soft);
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: 0.4s;
}

.service-card-pro:hover .card-icon-wrapper {
    background: var(--light-blue);
}

.service-icon-img { width: 45px; height: 45px; transition: 0.3s; }
.service-card-pro:hover .service-icon-img { filter: brightness(0) invert(1); }

.service-card-pro h4 { color: var(--dark-blue); font-size: 1.25rem; font-weight: 700; margin-bottom: 15px; }

.service-tags {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.service-tags li {
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--bg-soft);
    color: var(--light-blue);
    padding: 4px 12px;
    border-radius: 50px;
}

/* About Us Image Styling */
.about-img-stack img {
    border-left: 8px solid var(--light-green);
    transition: 0.5s;
}

/* Value Cards (About Page) */
.value-card {
    transition: 0.3s ease;
}

.value-card:hover {
    background: var(--dark-blue) !important;
}

.value-card:hover h4, .value-card:hover p {
    color: white !important;
}

.value-card:hover i {
    color: var(--light-green);
}

/* --- Professional Footer Pro --- */
.footer-pro {
    background: var(--dark-blue);
    color: var(--white);
    padding-top: 0;
}

.footer-top {
    padding: 80px 0 50px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-logo { height: 60px; width: auto; }

.footer-heading {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
    color: var(--white);
}

.footer-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 40px;
    height: 2px;
    background: var(--light-green);
}

.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 12px; }

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: 0.3s all ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--light-green);
    transform: translateX(10px);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: white;
    margin-right: 12px;
    transition: 0.4s;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--light-green);
    transform: translateY(-5px) rotate(360deg);
}

.contact-info i {
    font-size: 1.1rem;
}

.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
    font-size: 0.85rem;
}

/* --- Responsive Adjustments --- */
@media (max-width: 991px) {
    .hero-text-box { text-align: center !important; margin: 0 auto !important; }
    .footer-heading { margin-top: 20px; }
}

@media (max-width: 768px) {
    .nav-logo { height: 50px; }
    .hero-text-box h1 { font-size: 2.5rem; }
    .footer-links a:hover { transform: none; } 
    .page-header { padding: 140px 0 60px; }
}