:root {
    --charcoal: #1a1a1b;
    --safety-orange: #ff5a00;
    --off-white: #f4f1ea;
    --grid-line: rgba(244, 241, 234, 0.05);
    --border-color: #666;
}

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

body {
    background-color: var(--charcoal);
    color: var(--off-white);
    font-family: Inter, sans-serif;
    line-height: 1.6;
    /* The Blueprint Grid Effect */
    background-image: 
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
}

header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    background: rgba(26, 26, 27, 0.9);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: 'Roboto Mono', monospace;
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.logo>span {
    color: var(--safety-orange);
}

nav>a {
    color: var(--off-white);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 600;
    transition: color 0.3s;
}

nav>a:hover {
    color: var(--safety-orange);
}

.hero {
    padding: 8rem 2rem;
    margin: 0 auto;
    text-align: center;
}

.hero-tag {
    font-family: 'Roboto Mono', monospace;
    color: var(--safety-orange);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.hero-headline {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.hero-subheadline {
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-size: 1.2rem;
    color: #aaa;
}

.hero-button {
    display: inline-block;
    background: var(--safety-orange);
    color: #fff;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 0.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-button:hover {
    transform: translateY(-0.2rem);
    box-shadow: 0 10px 20px rgba(255, 90, 0, 0.3);
}

.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    text-transform: uppercase;
    font-weight: 900;
}

.protocol {
    font-family: 'Roboto Mono';
    font-size: 0.8rem;
    color: #555;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    transition: border-color 0.3s;
}

.card:hover {
    border-color: var(--safety-orange);
}

.card-num {
    font-family: 'Roboto Mono', monospace;
    color: var(--safety-orange);
    font-weight: 700;
    margin-bottom: 1rem;
}

.card>h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

footer {
    padding: 4rem 2rem;
    background: #111;
    text-align: center;
    border-top: 5px solid var(--safety-orange);
}

footer>p {
    font-family: 'Roboto Mono';
    font-size: 0.7rem;
    color: #777;
}

.contact-form {
    max-width: 600px;
    margin: 1rem auto 0;
}

.contact-form>label {
    font-weight: bold;
}

.contact-form>input[type="email"],
.contact-form>textarea {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 0.5rem;
}

.contact-form>button {
    background-color: var(--safety-orange);
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
}

.contact-form>button:hover {
    background-color: #e14e00;
}

@media (max-width: 768px) {
    nav>a {
        margin-left: 0.3rem;
        font-size: 0.6rem;
    }
    .hero {
        padding: 4rem 1rem;
    }
    .grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .card {
        padding: 1.5rem;
    }
}