* Import Enterprise Font (Inter) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

/* Core Variables - Arkhon Power Group Palette */
:root {
    --primary-charcoal: #1A1F24; /* Deep, almost-black slate from the logo background */
    --accent-teal: #397A92;      /* The metallic blue/teal from the wave symbol */
    --silver-metallic: #A6ACB3;  /* The silver from the "ARKHON" text */
    --light-gray: #f4f5f7;       /* Industrial background */
    --border-gray: #d1d5db;
    --white: #ffffff;
    --text-main: #2d3748;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Typography Hierarchy */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary-charcoal);
    letter-spacing: -0.5px;
}

/* Header & Navigation */
header {
    background-color: var(--primary-charcoal);
    border-bottom: 2px solid var(--accent-teal);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav ul {
    list-style: none;
    display: flex;
    align-items: center;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--silver-metallic);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.2s;
}

nav ul li a:hover {
    color: var(--accent-teal);
}

/* Buttons (Sharp & Engineered) */
.btn-primary, .btn-secondary {
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: all 0.2s ease-in-out;
    display: inline-block;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--white) !important;
    border: 2px solid var(--accent-teal);
}

.btn-primary:hover {
    background-color: var(--silver-metallic);
    border-color: var(--silver-metallic);
    color: var(--primary-charcoal) !important;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    margin-top: 20px;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 31, 36, 0.9), rgba(26, 31, 36, 0.85)), url('https://via.placeholder.com/1200x600/1a202c/ffffff?text=High+Density+Data+Center') center/cover;
    color: var(--white);
    padding: 120px 0;
    text-align: left;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--white);
    max-width: 800px;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 30px;
    font-weight: 400;
    color: var(--silver-metallic);
}

/* Trust Bar */
.trust-bar {
    background-color: var(--primary-charcoal);
    color: var(--white);
    padding: 40px 0;
    border-top: 1px solid #333;
    border-bottom: 5px solid var(--accent-teal);
}

.trust-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.trust-item {
    display: flex;
    flex-direction: column;
}

.trust-metric {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-teal);
    line-height: 1;
    margin-bottom: 5px;
}

.trust-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--silver-metallic);
}

/* Line Card / Manufacturers */
.line-card {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.line-card h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-sub {
    color: var(--primary-charcoal);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px;
    border: 1px solid var(--border-gray);
    border-top: 5px solid var(--accent-teal);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.card h4 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.territory-badge {
    background-color: var(--primary-charcoal);
    color: var(--white);
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.product-type {
    color: var(--accent-teal);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.card-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--accent-teal);
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.card-link:hover {
    color: var(--primary-charcoal);
}

/* Insights Section */
.insights-section {
    padding: 100px 0;
    background-color: var(--white);
    border-top: 1px solid var(--border-gray);
}

.section-header-split {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 20px;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.insight-card {
    background: var(--light-gray);
    padding: 30px;
    border-left: 3px solid var(--accent-teal);
}

.insight-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--silver-metallic);
    font-weight: 800;
    margin-bottom: 10px;
    display: inline-block;
}

.insight-card h5 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

/* Structured Footer */
footer {
    background-color: #0b0e11; 
    color: var(--silver-metallic);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--silver-metallic);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links ul li a:hover {
    color: var(--accent-teal);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #1f2937;
    padding-top: 20px;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}