:root {
    /* Blue Velvet Palette */
    --bg-navy-dark: #050A1F;
    /* Ultra deep blue */
    --bg-navy-light: #0F1E3D;
    /* Velvety mid-tone */
    --bg-velvet: radial-gradient(circle at center, #1b3a5f 0%, #050A1F 80%);
    /* Sheen effect */

    --accent-gold: #D4AF37;
    /* Metallic Gold */
    --accent-gold-light: #F1D170;
    --accent-silver: #C0C0C0;
    --highlight-blue: #4A90E2;
    --text-heading: #F8F8F8;
    --text-body: #B0C4DE;
    /* Light Steel Blue for contrast on velvet */

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

    --container-width: 1200px;
    --section-spacing: 120px;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-navy-dark);
    /* Fallback */
    background-image: var(--bg-velvet);
    background-attachment: fixed;
    /* Parallax-ish feel for the velvet sheen */
    color: var(--text-body);
    line-height: 1.6;
    overflow-x: hidden;
}

#constellation-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* Overlay to ensure text readability over the velvet gradient */
    background: rgba(5, 10, 31, 0.4);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    /* Lift text off velvet */
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-heading);
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Utils */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

.section-darker {
    background: rgba(0, 0, 0, 0.3);
    /* Darken for contrast */
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.2) inset;
    /* Soft richness */
}

.section-title {
    margin-bottom: 4rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: var(--font-body);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), #B8860B);
    /* Richer gold */
    color: #000;
    border: none;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #FFD700, #DAA520);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--accent-silver);
}

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Navbar */
.navbar {
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(5, 10, 31, 0.9);
    /* Deep navy glass */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 60px;
    /* Adjust based on preference */
    width: auto;
    border-radius: 4px;
    /* Slight rounding if needed */
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--text-heading);
    letter-spacing: 0.1em;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #C0C0C0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-sub {
    font-family: var(--font-body);
    font-size: 0.55rem;
    color: var(--accent-gold);
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

.nav-links a {
    color: var(--text-body);
    margin-left: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.btn-nav {
    border: 1px solid var(--accent-gold);
    padding: 0.5rem 1.5rem;
    color: var(--accent-gold) !important;
}

.btn-nav:hover {
    background: var(--accent-gold);
    color: var(--bg-navy-dark) !important;
}

/* Hero */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    /* Offset for fixed nav */
}

.hero-content {
    max-width: 900px;
    text-align: center;
    margin: 0 auto;
}

.hero-icon-main {
    width: 300px;
    /* Slightly larger for full logo impact */
    height: auto;
    margin-bottom: 2rem;
    /* Removed filters to show original full-color image */
    filter: drop-shadow(0 0 20px rgba(201, 162, 77, 0.2));
    /* Soft gold glow instead */
    opacity: 1;
}

.hero-subheading {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--accent-silver);
}

.legacy-ref {
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.7;
    font-style: italic;
}

.hero-ctas {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

/* Content Blocks */
.content-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
}

.content-block p {
    margin-bottom: 1.5rem;
}

.mandatory-ref {
    margin-top: 3rem;
    font-size: 0.9rem;
    color: var(--accent-silver);
    opacity: 0.6;
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* Bouncy premium feel */
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.05);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(201, 162, 77, 0.1);
    /* Gold glow */
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    color: var(--highlight-blue);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.card:hover h3 {
    color: var(--accent-gold);
    text-shadow: 0 0 10px rgba(201, 162, 77, 0.3);
}

/* Thesis Focus Areas */
.focus-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.focus-item {
    background: rgba(5, 10, 31, 0.6);
    border: 1px solid var(--highlight-blue);
    color: var(--text-heading);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    text-align: center;
    min-width: 250px;
    transition: all 0.4s ease;
    cursor: default;
}

.focus-item:hover {
    background: rgba(111, 174, 217, 0.15);
    box-shadow: 0 0 25px rgba(111, 174, 217, 0.3);
    transform: translateY(-5px);
    border-color: var(--accent-gold);
}

.philosophy-box {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    font-style: italic;
    color: var(--accent-gold);
    border-left: 3px solid var(--accent-gold);
    padding-left: 2rem;
    background: linear-gradient(90deg, rgba(201, 162, 77, 0.05), transparent);
    padding: 2rem;
}

/* Founders & LPs */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefit-list,
.check-list {
    list-style: none;
    margin-bottom: 2rem;
}

.benefit-list li,
.check-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.benefit-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--highlight-blue);
}

.lp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.lp-item {
    text-align: center;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.01);
    transition: all 0.3s ease;
}

.lp-item:hover {
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.lp-item h3 {
    font-size: 1.1rem;
    color: var(--accent-silver);
    transition: color 0.3s ease;
}

.lp-item:hover h3 {
    color: var(--text-heading);
}

.economics-model {
    text-align: center;
    background: rgba(201, 162, 77, 0.05);
    padding: 3rem;
    border: 1px solid var(--accent-gold);
    margin-bottom: 3rem;
    transition: transform 0.3s ease;
}

.economics-model:hover {
    transform: scale(1.01);
    box-shadow: 0 0 30px rgba(201, 162, 77, 0.1);
}

.engines {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.engines span {
    font-family: var(--font-heading);
    color: var(--text-heading);
    position: relative;
}

.engines span:not(:last-child)::after {
    content: '+';
    position: absolute;
    right: -1.2rem;
    color: var(--accent-gold);
    font-family: var(--font-body);
}

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

/* Why Acqulinx */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.why-item {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-gold);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    transition: all 0.3s ease;
}

.why-item:hover {
    border-color: var(--accent-gold);
    background: rgba(201, 162, 77, 0.05);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    text-shadow: 0 0 10px rgba(201, 162, 77, 0.4);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--accent-silver);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-heading);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.submit-btn {
    width: 100%;
}

/* Footer */
.footer {
    padding: 4rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 4rem;
}

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

.footer-logo {
    font-family: var(--font-heading);
    color: var(--text-heading);
    letter-spacing: 0.1em;
}

.copy {
    color: var(--accent-silver);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
        /* Simplification for MVP */
    }

    .split-layout {
        grid-template-columns: 1fr;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .engines span::after {
        content: '' !important;
        display: none;
    }

    .engines {
        flex-direction: column;
        gap: 0.5rem;
    }
}