:root {
    --color-blue: #2a69a4;
    --color-brown: #8d4218;
    --color-grey: #797b7e;
    --color-white: #ffffff;
    --color-dark: #111827;
    --color-light: #f4f6f8;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

.section {
    padding: 80px 0;
}

.text-center { text-align: center; }
.relative { position: relative; }
.bg-light { background-color: var(--color-light); }

/* Typography */
h1, h2, h3, h4, .font-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.text-blue { color: var(--color-blue); }
.text-brown { color: var(--color-brown); }
.text-grey { color: var(--color-grey); }

.bg-blue { background-color: var(--color-blue); }
.bg-brown { background-color: var(--color-brown); }
.bg-grey { background-color: var(--color-grey); }

.mt-2 { margin-top: 20px; }
.mt-4 { margin-top: 40px; }

/* Buttons */
.btn-brown {
    display: inline-block;
    background: var(--color-brown);
    color: var(--color-white);
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(141, 66, 24, 0.3);
}
.btn-brown:hover {
    background: #6e3312;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(141, 66, 24, 0.4);
}

.btn-white {
    display: inline-block;
    background: #ffffff;
    color: var(--color-blue);
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-family: var(--font-body);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.btn-white:hover {
    background: var(--color-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-white);
    padding: 8px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 90%;
    margin: 0 auto;
    padding: 0 20px;
}
.header-logo {
    height: 70px;
    max-width: 100%;
}
.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}
.mobile-menu-brand, .mobile-menu-footer {
    display: none;
}
.nav-menu a {
    color: var(--color-dark);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding-bottom: 4px;
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-blue);
    transition: width 0.3s ease;
}
.nav-menu a:hover::after {
    width: 100%;
}
.nav-contact {
    border: 2px solid var(--color-blue);
    color: var(--color-blue) !important;
    padding: 6px 18px;
    border-radius: 30px;
}
.nav-contact:hover {
    background: var(--color-blue);
    color: var(--color-white) !important;
}

/* Hero */
.hero-banner {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
}
.hero-slides {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.hero-track {
    display: flex;
    width: 300%; /* 3 slides */
    height: 100%;
    transition: transform 1.2s cubic-bezier(0.7, 0, 0.3, 1);
}
.hero-slide {
    flex: 0 0 33.333%; /* 1/3 of the track */
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
}
.hero-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(16,36,68,0.8) 0%, rgba(16,36,68,0.4) 100%);
}

.inner-hero {
    height: 50vh;
    min-height: 400px;
    align-items: center !important;
    justify-content: center !important;
}

.inner-hero .hero-content {
    text-align: center;
    padding: 80px 20px 0;
}
.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}
.hero-title {
    color: var(--color-white);
    font-size: 4rem;
    font-weight: 800;
    margin: 0;
    text-shadow: 3px 3px 15px rgba(0,0,0,0.6);
    letter-spacing: -0.02em;
}
.hero-btns {
    display: flex;
    align-items: center;
    gap: 20px;
}
.btn-outline {
    color: var(--color-white);
    font-weight: 700;
    text-decoration: underline;
    font-size: 1.1rem;
    transition: 0.3s;
}
.btn-outline:hover {
    color: var(--color-brown);
}

@media (max-width: 768px) {
    .hero-btns {
        flex-direction: column;
        align-items: flex-start;
        gap: 25px;
    }
}

/* Welcome / About Us */
.welcome-section {
    padding: 120px 0;
    background: #f0f6ff;
    position: relative;
    overflow: hidden;
}
.welcome-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(42,105,164,0.04);
    top: -200px;
    right: -150px;
    pointer-events: none;
}
.welcome-flex {
    display: flex;
    align-items: center;
    gap: 70px;
    position: relative;
    z-index: 2;
}
.welcome-image {
    flex: 1;
    position: relative;
}
.welcome-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-blue);
    border-radius: 14px;
    opacity: 0.15;
    z-index: 0;
}
.about-img {
    width: 100%;
    border-radius: 14px;
    box-shadow: 0 25px 50px rgba(42,105,164,0.15);
    position: relative;
    z-index: 1;
    transition: transform 0.5s ease;
}
.welcome-image:hover .about-img {
    transform: translateY(-6px);
}
.welcome-content {
    flex: 1;
}
.welcome-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-brown);
    margin-bottom: 14px;
}
.welcome-heading {
    font-size: 3rem;
    color: var(--color-blue);
    margin-bottom: 8px;
    line-height: 1.15;
}
.welcome-heading-line {
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--color-brown), var(--color-blue));
    border-radius: 2px;
    margin-bottom: 24px;
}
.welcome-text {
    margin-bottom: 30px;
    font-size: 1.05rem;
    color: #555;
    line-height: 1.85;
}
.btn-outline-brown {
    color: var(--color-brown);
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
    border: 2px solid var(--color-brown);
    padding: 12px 28px;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-block;
    letter-spacing: 0.3px;
}
.btn-outline-brown:hover {
    background: var(--color-brown);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(141, 66, 24, 0.3);
}

@media (max-width: 992px) {
    .welcome-flex {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
}
.welcome-graphics {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.explore-btn {
    color: var(--color-blue);
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 10px;
}

.metrics-row-section {
    background: #0f1e37; /* Distinct deep navy background to prevent merging */
    width: 100%;
    position: relative;
    z-index: 5;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.metrics-row {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
}
.metric {
    flex: 1;
    padding: 50px 40px;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 170px;
    position: relative;
    overflow: hidden;
    border-right: 1px solid rgba(255,255,255,0.1);
}
.metric:last-child {
    border-right: none;
}
.metric::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    pointer-events: none;
}
.metric-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.metric h3 {
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 8px;
    font-family: var(--font-body);
    font-weight: 700;
    letter-spacing: -1px;
}
.metric-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
    display: inline-block;
    opacity: 0.8;
}
.metric p {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    opacity: 0.75;
}

/* Dark Section Theme */
.dark-section {
    background: linear-gradient(135deg, #1a3a5c 0%, #2a69a4 60%, #8d4218 100%);
    position: relative;
    overflow: hidden;
}

.dark-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.02);
    top: -160px;
    right: -100px;
    pointer-events: none;
}

.dark-section .section-heading {
    color: #ffffff;
}

.dark-section .section-subheading {
    color: rgba(255,255,255,0.55);
}

.dark-section .service-card {
    background: rgba(15, 30, 55, 0.75);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.dark-section .service-card:hover {
    background: rgba(15, 30, 55, 0.95);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border-color: rgba(255,255,255,0.2);
}

.dark-section .service-content-inner {
    background: transparent;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.dark-section .service-title {
    color: rgba(255,255,255,0.92);
    font-weight: 600;
}

/* Why Choose Us */
.why-choose-us-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.wcu-decor {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    pointer-events: none;
}
.wcu-decor-1 {
    width: 500px;
    height: 500px;
    top: -200px;
    left: -150px;
    background: rgba(42, 105, 164, 0.05);
}
.wcu-decor-2 {
    width: 300px;
    height: 300px;
    bottom: -100px;
    right: -80px;
    background: rgba(141,66,24,0.05);
}

.why-choose-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.wcu-image-wrapper {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 70px rgba(0,0,0,0.5);
}

.wcu-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,24,40,0.6) 0%, transparent 60%);
    border-radius: 18px;
}

.wcu-img-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    z-index: 3;
    background: var(--color-brown);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.wcu-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: 18px;
    transition: transform 0.6s ease;
}
.wcu-image-wrapper:hover .wcu-image {
    transform: scale(1.04);
}

.wcu-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-brown);
    margin-bottom: 14px;
}

.wcu-content h2 {
    font-size: 3rem;
    color: var(--color-blue);
    margin-bottom: 30px;
    line-height: 1.15;
}

.custom-check-list {
    list-style: none;
    padding: 0;
    margin: 0 0 36px 0;
}

.custom-check-list li {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: var(--color-light);
    border: 1px solid #e8ecf0;
    border-radius: 10px;
    border-left: 4px solid var(--color-brown);
    transition: all 0.3s ease;
}
.custom-check-list li:hover {
    background: #fff;
    border-left-color: var(--color-blue);
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(42,105,164,0.1);
}

.custom-check-list li i {
    color: var(--color-brown);
    font-size: 1.1rem;
    flex-shrink: 0;
}

@media (max-width: 992px) {
    .why-choose-us-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .wcu-content h2 {
        font-size: 2.2rem;
    }
}

/* Core Services Section */
.section-heading {
    font-size: 2.6rem;
    color: var(--color-blue);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}
.what-we-do .section-heading {
    margin-bottom: 10px;
}
.section-subheading {
    font-size: 1rem;
    color: #777;
    font-family: var(--font-body);
    font-weight: 400;
    margin-bottom: 50px;
    letter-spacing: 0;
}
.services-modern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    border-bottom: 4px solid var(--color-brown);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 300px;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.service-img-wrap {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.service-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrap img {
    transform: scale(1.05);
}

.service-content-inner {
    padding: 30px 25px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.4;
    margin: 0;
    font-family: var(--font-body);
    letter-spacing: 0;
}

/* Case Studies */
.section-heading-left {
    font-size: 3.5rem;
    color: var(--color-blue);
    line-height: 1.1;
    position: absolute;
    left: 20px;
    top: 0;
}
.cs-logo {
    position: absolute;
    right: 20px;
    top: 0;
}
.cs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 120px;
}
.cs-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
.cs-img-wrapper {
    position: relative;
    height: 300px;
}
.cs-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cs-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--color-white);
    padding: 5px 15px;
    font-weight: 700;
    border-radius: 20px;
    font-size: 0.85rem;
}
.cs-info {
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cs-info h3 {
    font-size: 1.2rem;
    margin: 0;
}
.cs-info a {
    color: var(--color-blue);
    font-weight: 700;
}

/* Ventures */
.ventures-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.ventures-title h2 {
    font-size: 2.5rem;
    color: var(--color-blue);
}
.ventures-title p {
    color: var(--color-grey);
    margin: 10px 0 20px;
}
.blue-link {
    color: var(--color-white);
    background: var(--color-blue);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
}
.ventures-logos {
    display: flex;
    gap: 30px;
    flex: 1;
    justify-content: flex-end;
}
.v-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: #999;
}

/* Pillars */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.pillar-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.pillar-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}
.pillar-content {
    padding: 30px;
    text-align: center;
}
.pillar-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.pillar-content a {
    display: inline-block;
    margin-top: 15px;
    font-weight: 700;
    color: var(--color-dark);
}

/* Bottom CTA */
.bottom-cta {
    background: linear-gradient(135deg, #1a3a5c 0%, #2a69a4 60%, #8d4218 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

.cta-decor {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    pointer-events: none;
}
.cta-decor-1 {
    width: 450px;
    height: 450px;
    top: -150px;
    right: -100px;
}
.cta-decor-2 {
    width: 280px;
    height: 280px;
    bottom: -120px;
    left: -60px;
    background: rgba(255,255,255,0.04);
}

.cta-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cta-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    margin-bottom: 18px;
    padding-left: 2px;
}

.cta-heading {
    font-size: 3rem;
    color: #ffffff;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
}

.cta-heading em {
    font-style: normal;
    color: #f0b36b;
    position: relative;
}

.cta-sub {
    font-size: 1rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    margin-bottom: 35px;
    max-width: 480px;
}

.cta-buttons {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.cta-link-light {
    color: rgba(255,255,255,0.85);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: 0.3s;
    letter-spacing: 0.3px;
}
.cta-link-light:hover {
    color: #ffffff;
    letter-spacing: 1px;
}

.cta-stat-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.cta-stat span {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    font-family: var(--font-body);
    display: block;
    line-height: 1;
    margin-bottom: 6px;
    letter-spacing: -1px;
}

.cta-stat p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.65);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin: 0;
    line-height: 1.4;
}

@media (max-width: 992px) {
    .cta-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .cta-sub {
        max-width: 100%;
    }
    .cta-buttons {
        justify-content: center;
    }
    .cta-heading {
        font-size: 2.2rem;
    }
}

/* Footer */
.site-footer {
    background: #fff;
    border-top: 3px solid var(--color-blue);
    padding: 0;
}
.footer-wrap {
    max-width: 90%;
    margin: 0 auto;
    padding: 50px 30px 0;
}
.footer-top {
    margin-bottom: 30px;
    text-align: center;
}
.footer-logo {
    height: 90px;
}
.footer-nav {
    padding: 18px 0;
    border-bottom: 1px solid #ddd;
    font-size: 0.82rem;
    color: #bbb;
    letter-spacing: 0.3px;
    text-align: center;
}
.footer-nav a {
    color: #222;
    font-weight: 600;
    margin: 0 3px;
    text-decoration: underline;
}
.footer-nav a:hover {
    color: var(--color-blue);
}
.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 25px 0 10px;
}
.footer-columns {
    display: flex;
    gap: 60px;
}
.footer-col ul li {
    margin-bottom: 6px;
}
.footer-col ul li a {
    color: #666;
    font-size: 0.82rem;
}
.footer-col ul li a:hover {
    color: var(--color-brown);
}
.footer-contact-info {
    text-align: right;
    font-size: 0.82rem;
    color: #555;
    line-height: 1.7;
}
.footer-contact-label {
    font-weight: 700;
    color: var(--color-blue);
    letter-spacing: 1.5px;
    margin-bottom: 5px;
    font-size: 0.85rem;
}
.footer-email-row {
    padding: 15px 0 20px;
    text-align: center;
}
.footer-email-row a {
    color: var(--color-blue);
    font-size: 0.9rem;
}
.footer-email-row a:hover {
    text-decoration: underline;
}
.footer-bottom {
    border-top: 1px solid #ddd;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    color: #888;
    font-size: 0.82rem;
}
.footer-bottom a {
    color: #555;
}
.footer-bottom a:hover {
    color: var(--color-blue);
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}
.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-blue);
    border-radius: 3px;
    transition: 0.3s;
}

/* Mobile Overlay Backend */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3); /* Lighter dim for better visibility */
    backdrop-filter: none; /* Removed blur to prevent obscuring the site */
    opacity: 0;
    visibility: hidden;
    transition: 0.4s ease;
    z-index: 1001; /* Above toggle, below header-active */
}
.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Toggle Styles */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}
.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-blue);
    border-radius: 3px;
    transition: 0.3s;
}

/* Premium Responsive Sidebar */
@media (max-width: 1100px) {
    .header-active {
        z-index: 2100 !important; /* Ensure header sits above overlay when menu is open */
    }

    .nav-menu {
        display: flex;
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 280px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch; /* Ensure links take full width */
        gap: 0;
        padding: 0;
        box-shadow: -15px 0 40px rgba(0,0,0,0.15);
        transition: 0.5s cubic-bezier(0.7, 0, 0.3, 1);
        z-index: 2000;
        border-left: 6px solid var(--color-brown);
        overflow-y: auto;
    }

    .nav-menu.active {
        display: flex;
        right: 0;
    }

    /* Mobile Brand Section */
    .mobile-menu-brand {
        padding: 25px 25px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: #f8fafc;
        border-bottom: 1px solid #e2e8f0;
    }
    .mobile-logo-side {
        height: 45px;
        filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
    }
    .mobile-close {
        font-size: 2.2rem;
        color: var(--color-dark);
        opacity: 0.7;
        cursor: pointer;
        line-height: 0.8;
        font-weight: 300;
        margin-top: -3px;
    }
    .mobile-close:hover {
        opacity: 1;
        color: var(--color-brown);
    }

    /* Link Refinement */
    .nav-menu a {
        padding: 14px 25px;
        font-size: 1rem;
        font-weight: 700;
        color: #334155;
        border-bottom: 1px solid #f1f5f9;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        letter-spacing: 0.2px;
        transition: all 0.3s ease;
    }
    .nav-menu a::after { display: none; } /* Hide desktop underline animation */

    .nav-menu a:hover {
        background: #f8fafc;
        padding-left: 40px;
        color: var(--color-blue);
    }

    .nav-menu a.nav-contact {
        margin: 30px;
        border: none;
        background: linear-gradient(135deg, var(--color-blue), #1e4b7a);
        color: #fff !important;
        text-align: center;
        justify-content: center;
        border-radius: 12px;
        box-shadow: 0 8px 20px rgba(42,105,164,0.3);
        padding: 18px;
    }

    /* Side Menu Footer */
    .mobile-menu-footer {
        display: block;
        margin-top: auto;
        padding: 40px 30px;
        background: #f8fafc;
        border-top: 1px solid #e2e8f0;
        text-align: center;
    }
    .mm-footer-title {
        font-family: var(--font-heading);
        font-size: 1.1rem;
        font-weight: 800;
        color: var(--color-blue);
        margin-bottom: 8px;
    }
    .mobile-menu-footer p {
        font-size: 0.85rem;
        color: #64748b;
        margin-bottom: 4px;
    }
    .mm-socials {
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-top: 20px;
    }
    .mm-socials a {
        padding: 0 !important;
        border: none !important;
        width: 42px;
        height: 42px;
        background: #fff;
        border-radius: 12px;
        display: flex !important;
        align-items: center;
        justify-content: center;
        color: var(--color-blue) !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        font-size: 1.1rem;
        transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    .mm-socials a:hover {
        background: var(--color-blue) !important;
        color: #fff !important;
        transform: translateY(-5px) scale(1.1);
        padding-left: 0 !important; /* Ensure it doesn't inherit link hover padding */
        box-shadow: 0 8px 25px rgba(42,105,164,0.3);
    }

    .mobile-menu-toggle {
        display: flex;
    }
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }
    .header-container {
        padding: 0 20px;
    }
}

@media (max-width: 992px) {
    .metrics-row, .ventures-flex {
        flex-direction: column;
    }
    .metric {
        width: 100%;
    }
    .cs-grid, .pillars-grid {
        grid-template-columns: 1fr;
    }
    .footer-wrap {
        padding: 30px 20px 0;
    }
    .footer-top {
        text-align: center;
    }
    .footer-nav {
        text-align: center;
        font-size: 0.8rem;
    }
    .footer-main {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .footer-columns {
        flex-direction: column;
        gap: 20px;
    }
    .footer-contact-info {
        text-align: center;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .hero-banner {
        height: 100svh; /* Using svh for better mobile address bar support */
        min-height: 550px;
        display: flex;
        align-items: center; /* Ensure vertical centering */
        justify-content: center;
        padding-top: 70px; /* Offset for fixed header */
    }
    .hero-content {
        text-align: center;
        padding: 20px 24px 40px; /* Reduced top padding since banner has it */
        margin: 0;
    }
    .hero-title {
        font-size: 2.4rem !important;
        line-height: 1.15 !important;
    }
    .hero-content h2 {
        font-size: 1rem !important;
        margin-bottom: 12px !important;
    }
    .hero-content p {
        font-size: 0.95rem !important;
        margin: 15px auto 25px !important;
        line-height: 1.6 !important;
    }
    .hero-btns {
        justify-content: center;
        align-items: center;
        gap: 15px !important;
    }
    .welcome-heading, .section-heading {
        font-size: 2rem;
        text-align: center;
    }
    .welcome-text {
        text-align: center;
    }
    .metrics-row .metric {
        text-align: center;
        justify-content: center;
    }
    .metrics-row .metric h3 {
        font-size: 2.5rem;
    }
    .wwd-grid .chevron-wrapper {
        width: 100% !important;
    }
    .edge-box {
        padding: 30px;
        margin: 0 15px;
        text-align: center;
    }
}

/* Utility Classes */
.mt-10 { margin-top: 10px !important; }
.mt-20 { margin-top: 20px !important; }
.mt-30 { margin-top: 30px !important; }
.mt-40 { margin-top: 40px !important; }

.mb-10 { margin-bottom: 10px !important; }
.mb-15 { margin-bottom: 15px !important; }
.mb-20 { margin-bottom: 20px !important; }
.mb-25 { margin-bottom: 25px !important; }
.mb-30 { margin-bottom: 30px !important; }
.mb-40 { margin-bottom: 40px !important; }
.mb-60 { margin-bottom: 60px !important; }
.mb-80 { margin-bottom: 80px !important; }

.fs-1-1 { font-size: 1.1rem !important; }
.fs-1-2 { font-size: 1.2rem !important; }
.fs-1-5 { font-size: 1.5rem !important; }
.fs-1-8 { font-size: 1.8rem !important; }
.fs-2 { font-size: 2rem !important; }
.fs-2-5 { font-size: 2.5rem !important; }
.fs-3 { font-size: 3rem !important; }
.fs-3-5 { font-size: 3.5rem !important; }

.fw-600 { font-weight: 600 !important; }
.fw-700 { font-weight: 700 !important; }
.fw-800 { font-weight: 800 !important; }

.lh-1-2 { line-height: 1.2 !important; }
.lh-1-8 { line-height: 1.8 !important; }
.lh-2 { line-height: 2 !important; }
.ls-2 { letter-spacing: 2px !important; }
.uppercase { text-transform: uppercase !important; }

.max-w-800 { max-width: 800px !important; }
.max-w-1000 { max-width: 1000px !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.flex-basis-25 { flex: 1 1 25% !important; }
.flex-1 { flex: 1 !important; }
.min-w-200 { min-width: 200px !important; }

.w-60 { width: 60px !important; }
.h-4 { height: 4px !important; }

/* Component Specific Refinement Classes */
.hero-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1.5rem;
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: 2px;
}
.hero-description {
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
    max-width: 800px;
    margin: 20px 0;
}
.hero-bg-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.accent-line {
    height: 4px;
    width: 60px;
    background: var(--color-brown);
    margin: 0 auto;
}
.accent-line.blue { background: var(--color-blue); }
.accent-line.grey { background: var(--color-grey); }

.service-card.br-brown { border-bottom-color: var(--color-brown); }
.service-card.br-blue { border-bottom-color: var(--color-blue); }
.service-card.br-grey { border-bottom-color: var(--color-grey); }

.info-card.grey-border { border-top: 4px solid var(--color-grey); background: var(--color-light); }

.border-none { border: none !important; }
.list-unstyled { list-style: none; padding-left: 0; }
.grid-cols-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.grid-cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); }
.flex-around { display: flex; justify-content: space-around; }
.flex-wrap { flex-wrap: wrap; }
.gap-30 { gap: 30px; }
.gap-20 { gap: 20px; }
.p-20 { padding: 20px !important; }
.p-40 { padding: 40px !important; }
.p-60 { padding: 60px !important; }
.p-15-35 { padding: 15px 35px !important; }
.pl-20 { padding-left: 20px !important; }
.ml-20 { margin-left: 20px !important; }
.bg-grey { background: var(--color-grey) !important; }
.bg-light { background: var(--color-light) !important; }
.text-dark { color: var(--color-dark) !important; }
.underline { text-decoration: underline !important; }
.border-2-blue { border: 2px solid var(--color-blue) !important; }
.border-2-brown { border: 2px solid var(--color-brown) !important; }

/* CSS Component Boxes */
.csr-box {
    background: var(--color-light);
    padding: 60px;
    border-radius: 8px;
    border-left: 5px solid var(--color-blue);
}

/* Background Helpers (for breadcrumbs) */
.hero-bg-services { background-image: url('../images/services-breadcrumb.jpg'); }
.hero-bg-about { background-image: url('../images/about-us.jpeg'); }
.hero-bg-contact { background-image: url('../images/contact-us-breadcrumb.jpg'); }
.hero-bg-industries { background-image: url('../images/industries-breadcrumb.jpg'); }
.hero-bg-ops { background-image: url('../images/operations-infrastructure-breadcrumb.jpg'); }
.hero-bg-safety { background-image: url('../images/safety-sustainability-breadcrumb.jpg'); }
.hero-bg-clients { background-image: url('../images/industries-breadcrumb.jpg'); }

/* Inner Pages Utilities */
.inner-content-max {
    max-width: 1000px;
    margin: 0 auto;
}
.inner-text-block {
    margin-bottom: 40px;
}
.inner-text-block h3 {
    margin-bottom: 15px;
}
.inner-text-block p {
    margin-bottom: 25px;
    font-size: 1.1rem;
}
.columns-2-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.info-card {
    padding: 40px;
    border-radius: 8px;
    height: 100%;
}
.info-card.blue-border { border-top: 4px solid var(--color-blue); background: var(--color-light); }
.info-card.brown-border { border-top: 4px solid var(--color-brown); background: var(--color-light); }
.info-card.light-bg { background: var(--color-light); }
.info-card.blue-bg { background: var(--color-blue); }
.text-white { color: var(--color-white) !important; }

/* Services Page Styles */
.services-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
}
.service-item {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}
.service-icon {
    color: white;
    padding: 20px;
    font-size: 2rem;
    border-radius: 8px;
    min-width: 80px;
    text-align: center;
}
.service-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}
.service-content p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}
.service-details {
    font-size: 1.1rem;
    margin-left: 20px;
}

@media (max-width: 768px) {
    .inner-page-content {
        text-align: center;
    }
    .inner-text-block p, .inner-text-block ul {
        text-align: center;
    }
    .inner-text-block ul {
        list-style: none;
        padding-left: 0;
    }
    .columns-2-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .service-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .service-details {
        list-style: none;
        margin-left: 0;
    }
    .info-card {
        padding: 30px 20px;
    }
}

/* Scroll Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--color-blue);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.scroll-top.active {
    opacity: 1;
    visibility: visible;
}
.scroll-top:hover {
    background: var(--color-brown);
    transform: translateY(-5px);
}
.scroll-top i {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}