/* Global Reset & Base Styles */
@font-face {
    font-family: 'Roboto-Bold';
    src: url('../fonts/Roboto-Bold.ttf');
}
@font-face {
    font-family: 'Roboto-Regular';
    src: url('../fonts/Roboto-Regular.ttf');
}
:root {
    --primary-color: #0a192f; /* Deep Navy */
    --secondary-color: #1e293b; /* Dark Slate */
    --accent-color: #f0b15b; /* Industrial Orange */
    --text-color: #333;
    --text-light: #cbd5e1;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --font-heading: 'Roboto-Bold', sans-serif;
    --font-body: 'Roboto-Regular', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

ul {
    list-style: none;
}


.section {
    padding: 80px 0;
}


/* Hero Section */
.hero {
    height: 600px;
    /* Using a placeholder industrial image */
    background: url('../images/photo-1522071820081-009f0129c71c.avif') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: white;
    margin-top: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.75); /* Darker overlay for text readability */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1320px;
    padding-top: 60px;
}

.hero h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.tagline {
    font-size: 1.25rem;
    margin-bottom: 40px;
    color: var(--text-light);
    font-weight: 300;
}

.btn-hero {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 15px 40px;
    font-weight: 700;
    border-radius: 4px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-hero:hover {
    background-color: white;
    transform: translateY(-2px);
}

/* Common Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.underline, .underline-white {
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 0 auto;
    border-radius: 2px;
}

.underline-left {
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    margin-bottom: 25px;
    border-radius: 2px;
}

/* Vision Section */
.vision-section {
    text-align: center;
    background-color: var(--bg-white);
}

.vision-content {
    max-width: 1200px;
    margin: 0 auto;
}

.highlight-text {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 30px;
    font-family: var(--font-heading);
    line-height: 1.4;
}

.vision-content p:not(.highlight-text) {
    font-size: 1.1rem;
    color: var(--secondary-color);
}

/* About Section */
.bg-light {
    background-color: var(--bg-light);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 20px;
    text-align: justify;
}

.img-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    color: var(--secondary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('ab001.jpg') center/cover;
    opacity: 1;
}

.img-placeholder i {
    font-size: 5rem;
    margin-bottom: 20px;
    z-index: 1;
    color: var(--primary-color);
}

.img-placeholder span {
    z-index: 1;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.about-extra {
    margin-top: 60px;
    border-top: 1px solid #e2e8f0;
    padding-top: 50px;
}

.about-extra p {
    margin-bottom: 20px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--accent-color);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.icon-box {
    width: 70px;
    height: 70px;
    background-color: rgba(245, 158, 11, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

.icon-box i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.service-card h3 {
    font-size: 1.2em;
    margin-bottom: 15px;
}

.service-list {
    margin-top: 10px;
    padding-left: 0;
}

.service-list li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    position: relative;
    padding-left: 15px;
}

.service-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Values Section */
.bg-dark {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.text-white h2 {
    color: white;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.value-item {
    position: relative;
    padding: 40px 30px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    transition: var(--transition);
    background: rgba(255,255,255,0.02);
}

.value-item:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.value-number {
    font-family: var(--font-heading);
    font-size: 5rem;
    color: rgba(255,255,255,0.05);
    position: absolute;
    top: 10px;
    right: 20px;
    font-weight: 700;
    line-height: 1;
}

.value-content {
    position: relative;
    z-index: 1;
}

.value-content h3 {
    color: white;
    margin-top: 10px;
    font-size: 1.3rem;
    margin-bottom: 20px;
}

/* Closing Section */
.closing-section {
    background: url('../images/photo-1504328345606-18bbc8c9d7d1.avif') no-repeat center center/cover;
    position: relative;
    color: white;
    text-align: center;
    padding: 100px 0;
}

.closing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 47, 0.85);
}

.closing-section .container {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.closing-section h2 {
    color: white;
    margin-bottom: 20px;
}

.closing-text {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 40px 0 20px;
    font-family: var(--font-heading);
}

/* Footer */
.footer {
    background-color: #020c1b;
    color: #8892b0;
    padding: 80px 0 30px;
    font-size: 0.95rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo h3 {
    color: white;
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.footer-links h4, .footer-contact h4 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    display: inline-block;
}

.footer-links h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.footer-contact i {
    color: var(--accent-color);
    margin-top: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: #556080;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-200 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-400 { animation-delay: 0.4s; transition-delay: 0.4s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }
    
    .img-placeholder {
        height: 350px;
        order: -1; /* Image on top for mobile */
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-logo {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .header .container {
        height: 70px;
    }

    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--primary-color);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--primary-color);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 0;
        gap: 0;
        flex-direction: column;
        background-color: white;
        width: 100%;
        height: 100vh;
        justify-content: center;
        transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 5px 0 15px rgba(0,0,0,0.1);
        z-index: 999;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 15px 0;
        opacity: 0;
        transform: translateY(20px);
        transition: 0.3s;
    }

    /* Stagger animation for menu items */
    .nav-links.active li {
        opacity: 1;
        transform: translateY(0);
    }
    .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links.active li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links.active li:nth-child(4) { transition-delay: 0.4s; }
    .nav-links.active li:nth-child(5) { transition-delay: 0.5s; }

    .nav-links a {
        font-size: 1.5rem;
        font-weight: 700;
    }

    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .footer-logo {
        grid-column: span 1;
    }
    
    .footer-links h4::after, .footer-contact h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-contact p {
        justify-content: center;
    }
}