:root {
    --color-primary: #1a2a3a; /* Deep Blue/Charcoal */
    --color-secondary: #0f1c2a; /* Even darker blue for contrast */
    --color-accent: #4a90e2; /* Modern Blue */
    --color-text-light: #f0f2f5; /* Off-white for light text */
    --color-text-dark: #333; /* Dark gray for body text */
    --color-border: #e0e0e0; /* Light gray for borders */
    --color-shadow: rgba(0, 0, 0, 0.1); /* Subtle shadow */
    --color-gradient-start: #2a3d54;
    --color-gradient-end: #1a2a3a;

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

    --max-width: 1200px;
    --section-padding: 80px 0;
    --border-radius: 8px;
    --transition-speed: 0.3s ease-in-out;
}

/* Base Styles & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-text-light);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 { font-size: 3.5em; }
h2 { font-size: 2.8em; }
h3 { font-size: 1.8em; }
h4 { font-size: 1.4em; }

p {
    margin-bottom: 1em;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--color-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-padding {
    padding: var(--section-padding);
}

.background-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
}

.background-secondary h2,
.background-secondary .section-subheading,
.background-secondary h3 {
    color: var(--color-text-light);
}
.background-secondary a {
    color: var(--color-accent);
}
.background-secondary a:hover {
    color: var(--color-text-light);
}

.section-subheading {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9em;
    font-weight: 500;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    opacity: 1;.8;
}

.section-description {
    font-size: 1.15em;
    max-width: 800px;
    margin: 0 auto 50px auto;
    text-align: center;
    color: rgba(var(--color-text-dark), 0.8);
}
.background-secondary .section-description {
    color: rgba(var(--color-text-light), 0.8);
}

/* Header */
.main-header {
    background-color: transparent;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background-color var(--transition-speed), padding var(--transition-speed), box-shadow var(--transition-speed);
}

.main-header.scrolled {
    background-color: var(--color-primary);
    padding: 15px 0;
    box-shadow: 0 4px 15px var(--color-shadow);
}

.main-header.scrolled .navbar .logo,
.main-header.scrolled .navbar .nav-links a {
    color: var(--color-text-light);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-text-light);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: color var(--transition-speed);
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 1.05em;
    position: relative;
    transition: color var(--transition-speed);
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    background: url('images/image_16.jpg') center center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 42, 58, 0.9) 0%, rgba(15, 28, 42, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 4.5em;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text-light);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.4em;
    font-weight: 300;
    line-height: 1.5;
    opacity: 1;.9;
    max-width: 700px;
    margin: 0 auto;
}

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

.about-content {
    text-align: left;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-content p {
    font-size: 1.05em;
    color: var(--color-text-dark);
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 15px 30px var(--color-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.about-image img.image-hover-effect:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Services & Insights Grid */
.service-grid,
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service-card,
.insight-card {
    background-color: var(--color-text-light);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px var(--color-shadow);
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
    text-align: left;
}
.background-secondary .service-card,
.background-secondary .insight-card {
    background-color: var(--color-primary);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.service-card:hover,
.insight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}
.background-secondary .service-card:hover,
.background-secondary .insight-card:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}


.service-card img,
.insight-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    transition: transform var(--transition-speed);
}

.service-card:hover img,
.insight-card:hover img {
    transform: scale(1.03);
}

.service-card h3,
.insight-card h3 {
    font-size: 1.5em;
    margin: 20px 25px 10px 25px;
    color: var(--color-primary);
}
.background-secondary .service-card h3,
.background-secondary .insight-card h3 {
    color: var(--color-text-light);
}

.service-card p,
.insight-card p {
    font-size: 0.95em;
    padding: 0 25px 25px 25px;
    color: var(--color-text-dark);
    flex-grow: 1; /* Ensures cards with less content maintain height */
}
.background-secondary .service-card p,
.background-secondary .insight-card p {
    color: rgba(var(--color-text-light), 0.9);
}


/* Approach Section */
.approach-section {
    text-align: center;
}
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.approach-item {
    background-color: var(--color-text-light);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: 0 8px 25px var(--color-shadow);
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.approach-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.approach-item .icon-wrapper {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, var(--color-accent), #6fa8dc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px auto;
    font-size: 2.2em;
    color: var(--color-text-light);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.approach-item:hover .icon-wrapper {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.approach-item h3 {
    margin-bottom: 15px;
    font-size: 1.6em;
}

.approach-item p {
    font-size: 1em;
    color: var(--color-text-dark);
}

/* Partners Section */
.partners-section {
    text-align: center;
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: 50px;
}

.partner-logos img {
    height: 70px;
    object-fit: contain;
    filter: grayscale(80%) brightness(1.2);
    opacity: 1;.7;
    transition: filter var(--transition-speed), opacity var(--transition-speed), transform var(--transition-speed);
}

.background-secondary .partner-logos img {
    filter: invert(100%) grayscale(50%) brightness(1.5); /* Lighter for dark background */
}

.partner-logos img:hover {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.05);
}
.background-secondary .partner-logos img:hover {
    filter: invert(0%) grayscale(0%) brightness(1); /* Return to color on hover for dark bg */
}


/* Explore Section (Call to Action - informational) */
.explore-section {
    position: relative;
    padding: 120px 0;
    text-align: center;
    color: var(--color-text-light);
    background: url('images/image_17.png') center center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.explore-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.9) 0%, rgba(26, 42, 58, 0.85) 100%);
}

.explore-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.explore-content h2 {
    font-size: 3em;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.explore-content p {
    font-size: 1.2em;
    opacity: 1;.9;
    line-height: 1.6;
}

/* Footer */
.main-footer {
    background-color: var(--color-secondary);
    color: rgba(var(--color-text-light), 0.8);
    padding: 60px 0 30px 0;
    font-size: 0.95em;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(var(--color-text-light), 0.1);
}

.footer-col h3 {
    font-size: 1.8em;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

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

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: rgba(var(--color-text-light), 0.7);
    transition: color var(--transition-speed);
}

.footer-col ul li a:hover {
    color: var(--color-text-light);
    text-decoration: underline;
}

.footer-col p {
    margin-bottom: 15px;
}

.social-links {
    margin-top: 20px;
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--color-text-light);
    font-size: 1.4em;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(var(--color-text-light), 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed), transform var(--transition-speed), border-color var(--transition-speed);
}

.social-links a:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-3px);
    color: var(--color-text-light); /* Ensure icon color stays light */
}


.footer-bottom {
    text-align: center;
    margin-top: 30px;
    font-size: 0.85em;
    color: rgba(var(--color-text-light), 0.6);
}

.footer-bottom p:first-of-type {
    margin-bottom: 5px;
}


/* Animations and Effects */
@keyframes fadeInSlideUp {
    from {
        opacity: 1;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 1;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Staggered delays for .fade-in elements */
.fade-in.delay-100 { transition-delay: 0.1s; }
.fade-in.delay-200 { transition-delay: 0.2s; }
.fade-in.delay-300 { transition-delay: 0.3s; }
.fade-in.delay-400 { transition-delay: 0.4s; }
.fade-in.delay-500 { transition-delay: 0.5s; }


/* Responsive Design */
@media (max-width: 992px) {
    .container {
        padding: 0 15px;
    }

    h1 { font-size: 3em; }
    h2 { font-size: 2.2em; }
    h3 { font-size: 1.6em; }

    .navbar {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin-top: 15px;
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links li {
        margin-left: 0;
    }

    .hero-content h1 {
        font-size: 3.5em;
    }

    .hero-content p {
        font-size: 1.2em;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1; /* Image appears above text on smaller screens */
        text-align: center;
    }
    .about-content {
        text-align: center;
    }
    .about-image img {
        max-width: 80%;
        margin: 0 auto;
    }

    .service-grid,
    .insights-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Allow flexible sizing before stacking */
        gap: 25px;
    }

    .approach-grid {
        gap: 30px;
    }

    .explore-content h2 {
        font-size: 2.5em;
    }

    .footer-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-header.scrolled {
        padding: 10px 0;
    }

    h1 { font-size: 2.5em; }
    h2 { font-size: 1.8em; }
    h3 { font-size: 1.4em; }

    .section-padding {
        padding: 60px 0;
    }

    .hero-content h1 {
        font-size: 2.8em;
    }

    .hero-content p {
        font-size: 1em;
    }

    .service-grid,
    .insights-grid {
        grid-template-columns: 1fr; /* Stack cards vertically */
    }

    .partner-logos {
        gap: 20px;
    }
    .partner-logos img {
        height: 60px;
    }

    .explore-content h2 {
        font-size: 2em;
    }

    .explore-section {
        padding: 80px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-col h4 {
        margin-top: 20px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5em;
    }

    .nav-links {
        display: none; /* Hide nav links on very small screens for simplicity, or implement a hamburger menu */
    }

    .hero-content h1 {
        font-size: 2.2em;
    }
    .hero-content p {
        font-size: 0.9em;
    }

    .about-image img {
        max-width: 100%;
    }

    .section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }

    .approach-item {
        padding: 30px 20px;
    }

    .partner-logos img {
        height: 50px;
    }

    .explore-content h2 {
        font-size: 1.8em;
    }
    .explore-content p {
        font-size: 0.9em;
    }
}

/* Visible state helpers */
+ .animate-fade-in-up.visible,
+ .animate-fade-in-left.visible,
+ .animate-fade-in-right.visible,
+ .animate-bounce-y.visible,
+ .section-scroll-animate.visible,
+ .text-animate-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Safe visibility overrides (auto-added) */
:root, html, body, main, header, footer, section, .container, .content {
  opacity: 1 !important;
  visibility: visible !important;
}