@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Montserrat:wght@700;800;900&display=swap');

:root {
    --color-primary: #1A1A2E; /* Deep Blue-Gray */
    --color-secondary: #2C3E50; /* Slightly lighter dark blue-gray */
    --color-accent: #3498DB; /* Fortified Steel Blue */
    --color-highlight: #A64CEF; /* Vibrant Electric Purple */
    --color-text: #E0E0E0; /* Off-white for main text */
    --color-heading: #FFFFFF; /* Pure white for headings */
    --color-bg-dark: #0A0A1A; /* Very dark background */
    --color-muted-text: #999999; /* For client logos, etc. */
    --color-error: #E74C3C; /* Red for error messages */
    --color-success: #2ECC71; /* Green for success messages */

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    --max-width: 1200px;
    --nav-height: 80px;
    --section-spacing: 5rem;
}

/* Base 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-dark);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
p { margin-bottom: 1rem; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-highlight);
    color: var(--color-heading);
}

.btn-primary:hover {
    background-color: #8C3BDD; /* Slightly darker purple */
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-heading);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.section-dark {
    background-color: var(--color-primary);
}

.section-heading {
    text-align: center;
    margin-bottom: 3.5rem;
    font-size: 2.8rem;
    font-weight: 800;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    padding: 1rem 0;
    z-index: 1000;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.main-nav.scrolled {
    background-color: rgba(10, 10, 26, 0.95); /* Darker, slightly opaque background */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-heading);
    letter-spacing: -0.05em;
}

.logo span {
    color: var(--color-accent);
    font-size: 0.8em;
    font-weight: 700;
    vertical-align: middle;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.05rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--color-highlight);
    left: 0;
    bottom: -5px;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    padding: 0;
    z-index: 1001; /* Above nav links when open */
}

.hamburger .bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-heading);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(10, 10, 26, 0.8), rgba(10, 10, 26, 0.8)), url('https://images.unsplash.com/photo-1510519138101-570d1dca3d67?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2047&q=80') no-repeat center center/cover;
    position: relative;
    padding: var(--nav-height) 0 0; /* Offset for sticky nav */
}

.hero-content {
    max-width: 900px;
    padding: 0 1.5rem;
}

.hero-subheading {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.hero-subheading .highlight {
    color: var(--color-accent);
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -0.04em;
    background: linear-gradient(90deg, var(--color-heading), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Stats Strip */
.stats {
    background-color: var(--color-primary);
    color: var(--color-heading);
    padding: 3rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--color-text);
    opacity: 0.8;
}

/* About Section */
#about {
    text-align: center;
    padding-top: calc(var(--section-spacing) / 2);
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text);
}

/* Services */
.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-secondary);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-top: 5px solid var(--color-accent);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.service-card h3 {
    color: var(--color-heading);
    margin-bottom: 1rem;
    font-size: 1.7rem;
    font-weight: 700;
}

.service-card p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
}

/* Clients Strip */
.clients-strip {
    background-color: var(--color-bg-dark);
    padding: 2.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.clients-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.client-logo {
    color: var(--color-muted-text);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
}

.client-logo:first-child {
    font-weight: 700;
    opacity: 1;
    color: var(--color-text);
}

/* Case Studies */
.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.case-study-card {
    background-color: var(--color-primary);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case-study-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.case-study-tag {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-heading);
    padding: 0.4rem 0.8rem;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.case-study-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.8rem;
}

.case-study-card p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.read-more {
    color: var(--color-accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}

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

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-secondary);
    padding: 2.5rem;
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.testimonial-card .quote {
    font-style: italic;
    font-size: 1.15rem;
    color: var(--color-text);
    margin-bottom: 1.2rem;
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--color-heading);
    font-size: 1rem;
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member-card {
    background-color: var(--color-primary);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.team-member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.team-member-card .avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-heading);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.2rem;
}

.team-member-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.team-member-card .title {
    font-size: 0.95rem;
    color: var(--color-muted-text);
    margin-bottom: 1rem;
}

.team-member-card .bio {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Insights */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.insight-card {
    background-color: var(--color-secondary);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.insight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.insight-card .date {
    font-size: 0.85rem;
    color: var(--color-muted-text);
    margin-bottom: 0.8rem;
}

.insight-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.8rem;
}

.insight-card p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Contact */
.contact-intro {
    text-align: center;
    font-size: 1.15rem;
    max-width: 700px;
    margin: -2rem auto 3rem auto;
    color: var(--color-text);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: flex-start;
}

.contact-info {
    background-color: var(--color-primary);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.contact-info p {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.contact-info a {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-accent);
}

.contact-form-wrapper {
    background-color: var(--color-primary);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.contact-form-wrapper h3 {
    margin-top: 0;
    margin-bottom: 2rem;
    color: var(--color-heading);
    font-size: 1.7rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--color-bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3); /* --color-accent with opacity */
}

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

#contact-form .btn-primary {
    width: 100%;
}

.form-success {
    background-color: var(--color-success);
    color: var(--color-heading);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Footer */
footer {
    background-color: var(--color-secondary);
    padding: 3rem 0;
    font-size: 0.9rem;
    color: var(--color-text);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.footer-container p {
    margin: 0;
}

.footer-nav-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-nav-links a {
    color: var(--color-text);
    font-weight: 400;
}

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

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0.3s ease, opacity 0.3s ease;
}

.modal.open {
    visibility: visible;
    opacity: 1;
}

.modal-box {
    background-color: var(--color-primary);
    padding: 2.5rem;
    border-radius: 10px;
    max-width: 450px;
    width: 90%;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal.open .modal-box {
    transform: translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--color-muted-text);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.5rem;
    transition: color 0.2s ease;
}

.modal-close-btn:hover {
    color: var(--color-heading);
}

.modal-close-btn::before {
    content: '×';
}

.modal-box h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-heading);
}

#portal-form .btn-primary {
    width: 100%;
    margin-top: 1rem;
}

.login-error {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    text-align: center;
    min-height: 1.5em; /* Prevent layout shift when error appears */
}

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

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

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

/* Responsive Styles */
@media (max-width: 960px) {
    .nav-links {
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .section-heading {
        font-size: 2.2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
    .contact-info, .contact-form-wrapper {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero-subheading {
        font-size: 1.1rem;
    }
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}


@media (max-width: 600px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        display: none; /* Hidden by default on mobile */
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background-color: var(--color-primary);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        padding: 1.5rem 0;
        text-align: center;
        gap: 1rem;
        transition: transform 0.3s ease-out, opacity 0.3s ease-out;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
    }

    .main-nav.nav-open .nav-links {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-links li {
        width: 100%;
    }
    .nav-links a {
        padding: 0.5rem 0;
        display: block;
        font-size: 1.2rem;
    }

    .hamburger {
        display: flex;
        margin-left: auto;
        order: 2; /* Place hamburger to the right of logo, before portal button */
    }

    .main-nav .btn { /* Portal button */
        margin-left: 1rem;
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
        order: 3;
    }

    .main-nav.nav-open .hamburger .bar:nth-child(1) {
        transform: translateY(11px) rotate(45deg);
    }
    .main-nav.nav-open .hamburger .bar:nth-child(2) {
        opacity: 0;
    }
    .main-nav.nav-open .hamburger .bar:nth-child(3) {
        transform: translateY(-11px) rotate(-45deg);
    }

    .hero {
        padding-top: var(--nav-height);
        height: auto;
        min-height: 100vh;
        justify-content: flex-start;
        padding-bottom: 4rem;
    }

    .hero-content {
        margin-top: 10vh; /* Push content down slightly for better mobile viewing */
    }

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

    .clients-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    .client-logo {
        font-size: 1rem;
    }

    .service-card, .case-study-card, .testimonial-card, .team-member-card, .insight-card {
        padding: 1.5rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    .footer-nav-links {
        justify-content: center;
        width: 100%;
        gap: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
        letter-spacing: -0.02em;
    }
    .hero-description {
        font-size: 1rem;
    }
    .section-heading {
        font-size: 1.8rem;
    }
}