@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700&family=Open+Sans:wght@400;600;700&display=swap');

:root {
    /* Colors */
    --color-primary: #002d62; /* Darker Navy */
    --color-primary-dark: #001f3f; /* Even darker for hover */
    --color-accent: #b0c4de; /* Light Steel Blue - Silver-greyish */
    --color-accent-dark: #8c9cb3; /* Darker accent for hover */
    --color-gold: #daa520; /* Goldenrod for highlights */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #f5f5f5; /* Light grey background */
    --color-white: #ffffff;
    --color-light-grey: #cccccc;
    --color-medium-grey: #999999;

    /* Fonts */
    --font-heading: 'Merriweather', serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;

    /* Transitions */
    --transition-speed: 0.2s ease;
}

/* Global Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

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

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }

.section-padding {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-gold);
    border-radius: var(--border-radius-sm);
}

.section-description {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    color: var(--color-text-light);
}

/* Buttons */
.button-primary, .button-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
    cursor: pointer;
    white-space: nowrap;
    border: 2px solid transparent;
}

.button-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.button-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.button-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.button-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Card Styles */
.card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    height: 100%; /* Ensure cards in a grid have equal height */
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* Navigation Bar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    padding: var(--spacing-sm) 0;
}

nav.scrolled {
    background-color: rgba(0, 45, 98, 0.95); /* Semi-transparent darker primary */
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--transition-speed);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

nav.scrolled .logo {
    color: var(--color-white);
}

.logo:hover {
    color: var(--color-gold);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    font-weight: 600;
    position: relative;
    padding: 0.5rem 0;
}

nav.scrolled .nav-link {
    color: var(--color-white);
}

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

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

.nav-link:hover {
    color: var(--color-gold);
}

.portal-button {
    border-color: var(--color-white);
    color: var(--color-white);
    padding: 0.6rem var(--spacing-md);
}

.portal-button:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

nav.scrolled .portal-button {
    border-color: var(--color-white);
    color: var(--color-white);
}

nav.scrolled .portal-button:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.hamburger-btn {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.hamburger-btn span:last-child {
    margin-bottom: 0;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    background: linear-gradient(rgba(0, 45, 98, 0.8), rgba(0, 45, 98, 0.8)), url('https://images.unsplash.com/photo-1579621970795-87faca7f877d?q=80&w=2940&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    position: relative;
    padding-top: 80px; /* Offset for fixed nav */
}

#hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

#hero .hero-subtext {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    color: var(--color-accent);
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* About Section */
#about {
    background-color: var(--color-white);
}

/* Stats Strip */
#stats {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    flex: 1 1 200px; /* Allows items to grow/shrink, minimum 200px */
    padding: var(--spacing-sm);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.stat-item strong {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gold);
}

.stat-item span {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

/* Services Section */
.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    text-align: center;
}

.service-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-light);
}

/* Trusted By Section */
#clients {
    background-color: var(--color-bg);
}

.trusted-by-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    text-align: center;
}

.trusted-by-logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-medium-grey); /* Muted grey */
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* Work / Case Studies Section */
.case-study-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.case-study-card {
    position: relative;
    display: flex;
    flex-direction: column;
}

.case-study-tag {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-primary);
    padding: 0.3rem var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.case-study-card h3 {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1; /* Pushes read more to bottom */
}

.case-study-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.read-more {
    color: var(--color-accent-dark);
    font-weight: 600;
    align-self: flex-start;
    margin-top: auto; /* Push to bottom */
}

.read-more:hover {
    color: var(--color-gold);
}

/* Testimonials Section */
.testimonial-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    border-left: 4px solid var(--color-accent);
    padding-left: var(--spacing-lg);
    background-color: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); /* Lighter shadow */
}

.testimonial-card p:first-of-type {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.testimonial-author {
    font-weight: 600;
    color: var(--color-primary);
}

/* Team Section */
.team-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.team-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.team-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-sm);
    text-transform: uppercase;
}

.team-title {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.team-bio {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* Insights Section */
.insights-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.insight-card {
    display: flex;
    flex-direction: column;
}

.insight-date {
    display: block;
    font-size: 0.8rem;
    color: var(--color-medium-grey);
    margin-bottom: var(--spacing-xs);
}

.insight-card h3 {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.insight-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* Contact Section */
#contact {
    background-color: var(--color-white);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    justify-content: center;
    align-items: flex-start;
}

.contact-info, .contact-form-wrapper {
    flex: 1 1 45%; /* Adjust width for two columns */
    min-width: 300px;
}

.contact-info {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    background-color: var(--color-bg);
}

.contact-info h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.contact-email a {
    color: var(--color-accent-dark);
    font-weight: 600;
}

.contact-email a:hover {
    color: var(--color-gold);
}

.contact-form-wrapper {
    padding: var(--spacing-xl); /* Larger padding for the card */
}

.contact-form-wrapper h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-light-grey);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(176, 196, 222, 0.5); /* Accent color with transparency */
    outline: none;
}

#contact-form button[type="submit"] {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.1rem;
    border: none;
}

.form-success {
    text-align: center;
    color: var(--color-primary);
    font-weight: 600;
    padding: var(--spacing-lg);
    background-color: #e6ffe6; /* Light green */
    border: 1px solid #008000; /* Dark green */
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-lg);
}


/* Footer */
footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.footer-col {
    flex: 1 1 200px;
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    display: block;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-logo:hover {
    color: var(--color-gold);
}

.footer-col p {
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.footer-col h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 600;
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: var(--color-accent);
    transition: color var(--transition-speed);
}

.footer-col ul li a:hover {
    color: var(--color-gold);
}

/* Modal */
#portal-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: none; /* Controlled by JS */
    place-items: center; /* Centers modal-box */
    z-index: 2000; /* Above everything */
}

#portal-modal.open {
    display: grid; /* Use grid for centering */
}

.modal-box {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    position: relative;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

#modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-medium-grey);
    transition: color var(--transition-speed);
}

#modal-close:hover {
    color: var(--color-primary);
}

.modal-box h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

#portal-form .form-group {
    margin-bottom: var(--spacing-md);
}

#portal-form button[type="submit"] {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1.1rem;
    border: none;
}

.login-error {
    color: red;
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    text-align: center;
}

/* Scroll Reveal Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Critical exclusion for modal */
#portal-modal, #portal-modal * {
    opacity: 1 !important;
    transform: none !important;
}

/* Responsive Design */
@media (max-width: 960px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .nav-links {
        gap: var(--spacing-md);
    }
    .hero-subtext {
        font-size: 1.1rem;
    }
    .stats-grid {
        gap: var(--spacing-md);
    }
    .stat-item strong {
        font-size: 2rem;
    }
    .stat-item span {
        font-size: 0.75rem;
    }
    .trusted-by-logos {
        gap: var(--spacing-lg);
    }
    .trusted-by-logo {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .contact-info, .contact-form-wrapper {
        flex: 1 1 100%; /* Stack on smaller screens */
    }
}


@media (max-width: 600px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }

    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    .section-title {
        margin-bottom: var(--spacing-lg);
    }
    .section-description {
        margin-bottom: var(--spacing-lg);
    }

    /* Mobile Nav */
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-primary);
        padding: var(--spacing-md) 0;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    nav.nav-open .nav-links {
        display: flex;
        animation: slideIn 0.3s forwards;
    }

    @keyframes slideIn {
        from { transform: translateY(-100%); opacity: 0; }
        to { transform: translateY(0); opacity: 1; }
    }

    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: center;
        width: 100%;
    }

    .nav-link::after {
        display: none; /* Hide underline on mobile */
    }

    .portal-button {
        width: calc(100% - 2 * var(--spacing-md));
        margin: var(--spacing-sm) auto;
    }

    .hamburger-btn {
        display: block; /* Show hamburger on mobile */
    }

    nav.scrolled .hamburger-btn span {
        background-color: var(--color-white);
    }

    /* Hero */
    #hero {
        padding-top: 60px;
    }
    .hero-ctas {
        flex-direction: column;
    }
    .button-primary, .button-secondary {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    .button-secondary {
        margin-top: var(--spacing-sm);
    }

    /* Stats */
    .stats-grid {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    /* Trusted By */
    .trusted-by-logos {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-col {
        flex: 1 1 100%;
    }
    .footer-col h4 {
        margin-top: var(--spacing-md);
    }
    .footer-col ul {
        padding: 0;
    }
    .footer-logo {
        margin: 0 auto var(--spacing-sm);
        display: table; /* To center the block element */
    }
}