:root {
    --primary-green: #0a5c36;
    --dark-green: #053b21;
    --light-green: #13824f;
    --accent-yellow: #f2a900;
    --gold-amber: #e09200;
    --bg-light: #f8faf9;
    --bg-card: #ffffff;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--dark-green);
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 6px;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-green);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(10, 92, 54, 0.25);
}

.btn-primary:hover {
    background-color: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(10, 92, 54, 0.35);
}

.btn-accent {
    background-color: var(--accent-yellow);
    color: var(--dark-green);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(242, 169, 0, 0.3);
}

.btn-accent:hover {
    background-color: var(--gold-amber);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--primary-green);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-contact-nav {
    color: #fff;
    padding: 8px 18px;
}

.btn-hero-outline {
    color: #ffffff;
    border-color: #ffffff;
}

.btn-full-width {
    width: 100%;
}

/* Titles */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title.title-left {
    text-align: left;
}

.section-title span {
    color: var(--gold-amber);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 8px;
}

.section-title h2 {
    font-size: 2.25rem;
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-yellow));
    border-radius: 2px;
}

.title-left h2::after {
    left: 0;
    transform: none;
}

.text-accent {
    color: var(--accent-yellow) !important;
}

.text-white {
    color: #ffffff !important;
}

/* Header Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

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

.header-logo {
    height: 68px;
    width: auto;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: #ffffff;
    padding: 2px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.08);
}

.logo-text .brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1.1;
    letter-spacing: 1px;
}

.logo-text .brand-sub {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--gold-amber);
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent-yellow);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--dark-green);
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 170px 0 100px;
    background: linear-gradient(135deg, rgba(5, 59, 33, 0.94) 0%, rgba(10, 92, 54, 0.88) 100%), url('https://images.unsplash.com/photo-1541888946425-d0fbb186a5b7?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    color: #ffffff;
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(242, 169, 0, 0.2);
    border: 1px solid var(--accent-yellow);
    color: var(--accent-yellow);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.1rem;
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: 20px;
}

.hero-title span {
    color: var(--accent-yellow);
}

.hero-description {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 36px;
    max-width: 720px;
}

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

/* Indicators Bar */
.stats-bar {
    background: #ffffff;
    margin-top: -50px;
    position: relative;
    z-index: 10;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: 30px 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    border-bottom: 4px solid var(--accent-yellow);
}

.stat-item {
    text-align: center;
    border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

section {
    padding: 90px 0;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 18px;
    color: #475569;
    font-size: 1.05rem;
}

.highlights-list {
    list-style: none;
    margin-top: 24px;
}

.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-weight: 600;
    color: var(--dark-green);
}

.highlights-list i {
    color: var(--accent-yellow);
    background-color: rgba(242, 169, 0, 0.15);
    padding: 6px;
    border-radius: 50%;
    font-size: 0.9rem;
    margin-top: 2px;
}

.about-card-box {
    background: linear-gradient(145deg, var(--dark-green), var(--primary-green));
    border-radius: 16px;
    padding: 40px;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.about-card-box h3 {
    color: var(--accent-yellow);
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.about-card-box p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
    line-height: 1.7;
}

.about-address-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}

.about-address-item span {
    font-size: 0.9rem;
}

.icon-yellow {
    color: var(--accent-yellow);
    font-size: 1.2rem;
}

/* Technical Capabilities */
.services-section {
    background-color: #f1f5f9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 36px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    top: 0;
}

.service-card:hover {
    top: -8px;
    box-shadow: var(--shadow-lg);
    border-color: rgba(10, 92, 54, 0.3);
}

.service-icon {
    width: 65px;
    height: 65px;
    background: rgba(10, 92, 54, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-green);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary-green);
    color: var(--accent-yellow);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-card ul {
    list-style: none;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.service-card ul li {
    font-size: 0.88rem;
    color: #475569;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-card ul li::before {
    content: '•';
    color: var(--accent-yellow);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Procurement Module */
.procurement-section {
    background: #ffffff;
}

.procurement-intro {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 40px;
    color: var(--text-muted);
}

.procurement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.proc-item {
    border-left: 4px solid var(--primary-green);
    background: var(--bg-light);
    padding: 24px;
    border-radius: 0 8px 8px 0;
    transition: var(--transition);
}

.proc-item:hover {
    border-left-color: var(--accent-yellow);
    transform: translateX(5px);
    background: #ffffff;
    box-shadow: var(--shadow-md);
}

.proc-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark-green);
}

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

/* Execution Methodology (IPC) */
.ipc-section {
    background: linear-gradient(135deg, var(--dark-green), #08482a);
    color: #ffffff;
}

.ipc-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.ipc-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.ipc-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--accent-yellow);
    transform: translateY(-5px);
}

.ipc-number {
    width: 50px;
    height: 50px;
    background: var(--accent-yellow);
    color: var(--dark-green);
    font-weight: 800;
    font-size: 1.3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.ipc-card h3 {
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.ipc-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* HSEQ Standards */
.hseq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.hseq-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

.hseq-card:hover {
    border-color: var(--primary-green);
    box-shadow: var(--shadow-md);
}

.hseq-badge {
    display: inline-block;
    background: var(--primary-green);
    color: #ffffff;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.contact-info {
    background: var(--dark-green);
    color: #ffffff;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info h3 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.info-item i {
    color: var(--accent-yellow);
    font-size: 1.3rem;
    margin-top: 4px;
}

.info-item h5 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 2px;
}

.info-item p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.operating-hours {
    margin-top: 30px;
}

.hours-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hours-text {
    font-size: 0.9rem;
    color: #fff;
    margin-top: 4px;
}

.contact-form {
    padding: 50px;
}

.contact-form h3 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(10, 92, 54, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background-color: #032112;
    color: rgba(255, 255, 255, 0.8);
    padding: 70px 0 30px;
    border-top: 4px solid var(--accent-yellow);
}

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

.footer-logo-container {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.footer-logo {
    height: 75px;
    width: auto;
    border-radius: 6px;
    background: #ffffff;
    padding: 3px;
}

.footer-brand-title {
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1.2;
}

.footer-brand-sub {
    color: var(--accent-yellow);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

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

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.footer-address {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Media Queries */
@media (max-width: 992px) {
    .about-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 75px;
    }

    .header-logo {
        height: 52px;
    }

    .nav-menu {
        position: fixed;
        top: 75px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 75px);
        background-color: #ffffff;
        flex-direction: column;
        padding: 40px 24px;
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }

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

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 130px 0 80px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .stats-bar {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 20px;
    }

    .stat-item {
        border-right: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}