@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@300;400;600&display=swap');

:root {
    /* Colors */
    --color-primary: #004D7A; /* Deep Arctic Blue */
    --color-accent: #C0C0C0; /* Frosted Silver */
    --color-text: #333333; /* Dark Grey for body */
    --color-light-text: #666666;
    --color-bg: #FFFFFF; /* Crisp White */
    --color-light-bg: #F8F8F8; /* Very light grey */
    --color-nav-bg: rgba(255, 255, 255, 0.95);
    --color-shadow: rgba(0, 0, 0, 0.08);

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

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

/* Base Styles & Resets */
*, *::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);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

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

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

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

.section-light-bg {
    background-color: var(--color-light-bg);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    -webkit-appearance: none; /* For button styling consistency */
    -moz-appearance: none;
    appearance: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

/* Header & Navigation */
header {
    background-color: var(--color-nav-bg);
    padding: var(--spacing-md) 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px var(--color-shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

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

nav .logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
    text-transform: uppercase;
}

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

.nav-links a {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.2s ease;
}

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

.hamburger-menu {
    display: none; /* Hidden by default */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 77, 122, 0.7), rgba(0, 77, 122, 0.7)), url('https://images.unsplash.com/photo-1627914562547-19412f864157?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3w1NjY5MTl8MHwxfHNlYXJjaHwyMHx8YXJjdGljJTIwbWVkaWNhbCUyMGxhYnxlbnwwfHx8fDE3MDcxMjQwMjF8MA&ixlib=rb-4.0.3&q=80&w=1080') no-repeat center center/cover;
    color: var(--color-bg);
    padding-top: 80px; /* Offset for fixed header */
    position: relative;
    overflow: hidden; /* For any potential background animations */
}

.hero-content {
    max-width: 900px;
    padding: var(--spacing-xl);
    background-color: rgba(0, 0, 0, 0.2); /* Subtle overlay for text readability */
    border-radius: 8px;
}

#hero h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-bg);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-bg);
}

.tagline {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--color-accent);
}

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

.hero-ctas .btn {
    min-width: 250px;
    border-color: var(--color-bg);
    color: var(--color-bg);
}

.hero-ctas .btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary);
}

.hero-ctas .btn-primary:hover {
    background-color: var(--color-bg);
    border-color: var(--color-bg);
    color: var(--color-primary);
}

.hero-ctas .btn-secondary {
    border-color: var(--color-bg);
    color: var(--color-bg);
}

.hero-ctas .btn-secondary:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
}


/* Stats Section */
#stats {
    background-color: var(--color-primary);
    color: var(--color-bg);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    opacity: 0.9;
}

/* Service Cards */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-top: 4px solid var(--color-primary);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

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

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

/* About Section */
#about .about-text {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-light-text);
}

/* Client Strip */
.client-strip {
    background-color: var(--color-bg);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    text-align: center;
}

.trusted-by {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--color-light-text);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
    font-weight: 600;
}

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

.client-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: #999; /* Muted gray */
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

/* Case Study Cards */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.case-study-card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.case-study-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.case-study-card .tag {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    font-weight: 700;
}

.case-study-card .outcome {
    font-size: 0.95rem;
    color: var(--color-light-text);
    margin-bottom: var(--spacing-md);
    flex-grow: 1; /* Pushes "Read More" to bottom */
}

.case-study-card .read-more {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    align-self: flex-start;
}

.case-study-card .read-more:hover {
    color: var(--color-primary);
}


/* Testimonial Cards */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border-left: 4px solid var(--color-accent);
}

.testimonial-card blockquote {
    font-style: italic;
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.testimonial-card blockquote::before {
    content: '“';
    font-family: serif;
    font-size: 4rem;
    color: var(--color-accent);
    position: absolute;
    top: -10px;
    left: -15px;
    opacity: 0.2;
    line-height: 1;
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--color-primary);
    text-align: right;
    font-size: 0.95rem;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.team-member-card {
    text-align: center;
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

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

.team-member-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
    font-weight: 700;
}

.team-member-card .title {
    color: var(--color-light-text);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.team-member-card .bio {
    font-size: 0.85rem;
    color: var(--color-light-text);
}

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

.insight-card {
    background-color: var(--color-bg);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.insight-card .date {
    font-size: 0.8rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.insight-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    font-weight: 700;
}

.insight-card .summary {
    font-size: 0.95rem;
    color: var(--color-light-text);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.insight-card .read-more {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    align-self: flex-start;
}

.insight-card .read-more:hover {
    color: var(--color-primary);
}


/* Contact Section */
.contact-content {
    max-width: 800px;
}

.contact-content p {
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    color: var(--color-light-text);
}

.contact-form-container {
    background-color: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    margin-bottom: var(--spacing-xl);
}

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

#contact-form label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 0.9rem;
}

#contact-form input[type="text"],
#contact-form input[type="email"],
#contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#contact-form input:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.4); /* Frosted silver focus ring */
}

#contact-form textarea {
    resize: vertical;
}

#contact-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-md);
}

.form-success {
    background-color: #e6ffe6;
    color: #1a7a1a;
    padding: var(--spacing-md);
    border-radius: 4px;
    border: 1px solid #99e699;
    text-align: center;
    font-weight: 600;
}

.contact-email {
    margin-top: var(--spacing-lg);
    font-size: 1rem;
}

/* Footer */
footer {
    background-color: var(--color-primary);
    color: var(--color-bg);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

footer .logo {
    color: var(--color-bg);
    font-size: 1.3rem;
}

.footer-nav-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav-links a {
    color: var(--color-bg);
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
}

.footer-nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-bottom a {
    color: var(--color-bg);
    opacity: 0.8;
}

.footer-bottom a:hover {
    opacity: 1;
    color: var(--color-accent);
}

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

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

/* Modal Styling */
#portal-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    display: none; /* Hidden by default */
}

#portal-modal.open {
    display: flex;
}

#portal-modal, #portal-modal * { /* CRITICAL: Exclude modal from scroll reveal */
    opacity: 1 !important;
    transform: none !important;
}

.modal-box {
    background-color: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    max-width: 450px;
    width: 90%;
    position: relative;
    animation: fadeInScale 0.3s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

#modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-light-text);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s ease;
}

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

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

#portal-form label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 0.9rem;
}

#portal-form input[type="text"],
#portal-form input[type="password"] {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#portal-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.4);
}

#portal-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-md);
}

.login-error {
    color: red;
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    text-align: center;
    min-height: 1.5rem; /* Reserve space */
}

/* Responsive Styles */
@media (max-width: 960px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 1.8rem; }
    .hero-subtitle { font-size: 1rem; }
    .tagline { font-size: 1.1rem; }

    .nav-links {
        gap: var(--spacing-md);
    }

    .footer-top {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .client-logos {
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
}


@media (max-width: 600px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }

    .nav-links {
        display: none; /* Hide nav links by default on mobile */
        flex-direction: column;
        position: absolute;
        top: 60px; /* Adjust based on header height */
        left: 0;
        width: 100%;
        background-color: var(--color-nav-bg);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-md) 0;
        text-align: center;
    }

    nav.nav-open .nav-links {
        display: flex;
    }

    nav.nav-open .nav-links a {
        padding: var(--spacing-sm) 0;
        display: block;
    }

    nav .btn {
        display: none; /* Hide portal button on mobile when nav is closed */
    }

    nav.nav-open .btn {
        display: block;
        margin: var(--spacing-md) auto;
    }

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

    /* Hamburger animation */
    nav.nav-open .hamburger-menu span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    nav.nav-open .hamburger-menu span:nth-child(2) {
        opacity: 0;
    }
    nav.nav-open .hamburger-menu span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    #hero {
        text-align: center;
        min-height: 80vh;
        padding-top: 60px; /* Smaller offset */
    }

    .hero-content {
        padding: var(--spacing-lg);
    }

    #hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .hero-ctas {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-ctas .btn {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

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

    .service-grid, .case-study-grid, .testimonial-grid, .team-grid, .insights-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .client-logos {
        flex-direction: column;
    }

    .client-name {
        font-size: 1rem;
    }

    .contact-form-container {
        padding: var(--spacing-lg);
    }

    .footer-top {
        flex-direction: column;
        align-items: center;
    }
    .footer-nav-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-bottom {
        padding-top: var(--spacing-md);
    }
}