/* Base Variables & Reset */
:root {
    --brand-red: #A81C1C;
    --black: #0F0F0F;
    --dark-gray: #1E1E1E;
    --border-gray: #DDDDDD;
    --light-bg: #F4F4F4;
    --white: #FFFFFF;
    --text-main: #333333;
    --font-stack: 'Helvetica Neue', Arial, sans-serif;
}

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

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

/* Layout Utilities */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.content-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

/* Typography */
h1, h2, h3 {
    color: var(--black);
    font-weight: 700;
    margin-bottom: 20px;
}

h1 {
    font-size: 3rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 2rem;
    border-bottom: 3px solid var(--black);
    display: inline-block;
    padding-bottom: 5px;
}

p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

a {
    color: var(--brand-red);
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--brand-red);
    color: var(--white);
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.2s ease;
}

.btn:hover {
    background-color: var(--black);
    color: var(--white);
}

/* Navigation */
.navbar {
    background-color: var(--black);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo::after {
    content: '.';
    color: var(--brand-red);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #999;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--white);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--white);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background-color: var(--light-bg);
    border-bottom: 5px solid var(--brand-red);
}

.hero-subtitle {
    font-size: 1.5rem;
    max-width: 800px;
    color: #555;
    margin-bottom: 40px;
}

.page-header {
    padding: 60px 20px;
    border-bottom: 1px solid var(--border-gray);
    margin-bottom: 60px;
}

/* Sections */
section {
    padding: 80px 0;
}

.data-block {
    background-color: var(--white);
    padding: 30px;
    border: 1px solid var(--border-gray);
}

.border-red {
    border-top: 4px solid var(--brand-red);
}

.data-list {
    list-style: none;
}

.data-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-gray);
    font-size: 1.1rem;
}

.data-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.data-list strong {
    display: block;
    font-size: 1.5rem;
    color: var(--brand-red);
}

/* Solution Grid */
.solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.metric-item {
    background: var(--black);
    color: var(--white);
    padding: 30px 20px;
    text-align: center;
}

.metric-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--brand-red);
    margin-bottom: 10px;
}

.metric-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Technology Table */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--white);
}

.data-table th, .data-table td {
    padding: 15px 20px;
    border: 1px solid var(--border-gray);
    text-align: left;
}

.data-table th {
    background-color: var(--black);
    color: var(--white);
    font-weight: 600;
}

.highlight-cell {
    background-color: #fce8e8;
    color: var(--brand-red);
    font-weight: bold;
}

.standard-list {
    padding-left: 20px;
    margin-bottom: 20px;
}

.standard-list li {
    margin-bottom: 10px;
}

/* Team Section */
.team-list {
    border-top: 2px solid var(--black);
}

.team-list h3 {
    margin-top: 20px;
    font-size: 1.2rem;
}

.team-member {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-gray);
}

.team-member strong {
    display: block;
    font-size: 1.2rem;
    color: var(--black);
}

.team-member span {
    display: block;
    color: var(--brand-red);
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.team-member small {
    display: block;
    color: #666;
}

/* Contact Form */
.contact-details p {
    margin-bottom: 10px;
}

.data-form {
    background: var(--light-bg);
    padding: 30px;
    border: 1px solid var(--border-gray);
    border-top: 4px solid var(--black);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    font-family: inherit;
    font-size: 1rem;
}

.form-status {
    margin-top: 15px;
    font-size: 0.9rem;
    font-weight: bold;
}

/* Footer */
footer {
    background-color: var(--black);
    color: #888;
    padding: 40px 0;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-split, .solution-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .nav-links {
        display: none;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background-color: var(--black);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hamburger {
        display: block;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}