:root {
    /* Merchant House Classic Palette */
    --primary-color: #0F1A2A; /* Deep Naval Blue */
    --gold-accent: #D0A85C;   /* Oxidized Gold */
    --secondary-color: #1A1A1A; /* Charcoal Black */
    --steel-grey: #B9BDC6;    /* Steel Grey */
    --bg-color: #F5F2E9;      /* Warm Paper Cream */
    --card-bg: #FFFFFF;       /* Pure White */
    --text-color: #1A1A1A;    /* Charcoal Black */
    --light-text: #4B5563;    /* Darker Grey for contrast */
    --border-color: #B9BDC6;  /* Steel Grey */
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-serif: 'Lora', serif;
}

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background-color: var(--bg-color); /* Matches paper background */
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--primary-color);
}

.brand-logo {
    display: block;
    height: 48px;
    width: auto;
}

.logo-text {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em; /* Added spacing for authority */
    color: var(--primary-color);
    text-transform: uppercase;
}

/* Navigation */
.nav a {
    text-decoration: none;
    color: var(--secondary-color);
    margin-left: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.2s;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem;
}

/* Section Common */
.section {
    padding: 6rem 0;
    border-bottom: 1px solid var(--border-color);
}

h2 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
    letter-spacing: -0.01em;
}

/* Hero */
.hero {
    background-color: var(--primary-color);
    color: #fff;
    padding: 8rem 0;
    border-bottom: 4px solid var(--gold-accent); /* Gold accent line */
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 1.5rem;
    max-width: 850px;
}

.hero .subheadline {
    font-size: 1.25rem;
    color: var(--steel-grey);
    max-width: 700px;
    margin-bottom: 3rem;
    line-height: 1.5;
    font-weight: 400;
}

.hero-bullets {
    list-style: none;
    border-left: 2px solid var(--gold-accent); /* Gold border */
    padding-left: 1.5rem;
}

.hero-bullets li {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #E2E8F0;
}

/* Industries (List) */
.industry-list {
    list-style: none;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.industry-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-color);
    font-size: 1.05rem;
}

.industry-list li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--gold-accent);
    font-weight: bold;
    font-size: 1.4rem;
    line-height: 1.2rem;
    top: -2px;
}

.industry-list strong {
    color: var(--primary-color);
    font-weight: 700;
    font-family: var(--font-serif); /* Serif for category names */
}

/* About */
.about .content-block {
    max-width: 800px;
    border-left: 4px solid var(--primary-color); /* Branding element */
    padding-left: 2rem;
}

.about p {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-family: var(--font-serif); /* Serif for narrative text */
}

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

.card {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border-color);
    border-radius: 0; /* Sharp corners for industrial feel */
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--gold-accent);
    box-shadow: none; /* Removed shadow for cleaner look */
}

.card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
    letter-spacing: 0;
}

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

/* Advantage Section (Dark Break) */
.advantage {
    background-color: var(--secondary-color); /* Charcoal Black */
    color: #fff;
}

.advantage h2 {
    color: #fff;
    border-bottom: 1px solid #333;
    padding-bottom: 2rem;
}

.advantage .card {
    background: transparent;
    border: 1px solid #333;
    color: #fff;
}

.advantage .card h3 {
    color: var(--gold-accent);
}

.advantage .card p {
    color: var(--steel-grey);
}

/* Process */
.process {
    background-color: var(--bg-color);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 4rem;
}

.process-step h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 0;
    border-bottom: 2px solid var(--gold-accent);
    display: inline-block;
    padding-bottom: 0.25rem;
}

.process-step h3::before {
    display: none; /* Remove old dot */
}

.process-step p {
    padding-left: 0;
    color: var(--text-color);
    margin-top: 1rem;
}

/* Capabilities */
.capability-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
}

.capability-list li {
    background: var(--card-bg);
    padding: 1.5rem;
    font-weight: 500;
    color: var(--text-color);
    display: flex;
    align-items: center;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* Make the last item span the full width to prevent empty grid space */
.capability-list li:last-child {
    grid-column: 1 / -1;
}

.capability-list li::before {
    content: "■"; /* Square bullet */
    color: var(--gold-accent);
    margin-right: 1rem;
    font-size: 0.75rem;
}

/* Contact */
.contact {
    text-align: center;
    background-color: var(--bg-color);
}

.contact h2 {
    margin-bottom: 1rem;
}

.contact p {
    margin-bottom: 4rem;
    color: var(--secondary-color);
}

.button {
    display: inline-block;
    background-color: var(--gold-accent);
    color: var(--primary-color);
    padding: 1.25rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 0; /* Sharp corners */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: background-color 0.2s;
    font-size: 0.9rem;
}

.button:hover {
    background-color: #b8934a; /* Darker gold */
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    padding: 4rem 0;
    border-top: 4px solid var(--gold-accent);
    font-size: 0.875rem;
    color: var(--steel-grey);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-legal a {
    color: var(--steel-grey);
    text-decoration: none;
    margin-left: 1.5rem;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.footer-legal a:hover {
    color: var(--gold-accent);
    border-bottom-color: var(--gold-accent);
    text-decoration: none;
}

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

    .mobile-menu-btn {
        display: block;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-color);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
        flex-direction: column;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        display: flex;
    }

    .nav a {
        margin: 0;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav a:last-child {
        border-bottom: none;
    }

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

    .footer-legal a {
        margin: 0 0.75rem;
    }
}