:root {
    --primary-color: #ff5722;
    /* Strong industrial orange */
    --primary-hover: #e64a19;
    --bg-dark: #0f1015;
    --text-light: #ffffff;
    --text-muted: #b0b0b0;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Using a high-quality truck background image, desaturated/darkened */
    background-image: url('https://images.unsplash.com/photo-1601584115197-04ecc0da31d7?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
    filter: grayscale(80%) sepia(20%) hue-rotate(180deg) contrast(1.2);
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

header.logo h1 {
    font-family: 'Teko', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-align: center;
}

header.logo h1 span {
    color: var(--primary-color);
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin: auto 0;
    padding: 4rem 0;
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h2 {
    font-family: 'Teko', sans-serif;
    font-size: 6rem;
    line-height: 1;
    margin-bottom: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    letter-spacing: 4px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.subscribe-form {
    width: 100%;
    max-width: 500px;
    position: relative;
}

.input-group {
    display: flex;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(255, 87, 34, 0.2);
}

.subscribe-form input {
    flex: 1;
    padding: 1.2rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-light);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    outline: none;
}

.subscribe-form input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0 2rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-primary:disabled {
    background: #666;
    cursor: not-allowed;
}

.form-message {
    margin-top: 1rem;
    font-size: 0.95rem;
    min-height: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    font-weight: 500;
}

.form-message.success {
    color: #4CAF50;
    opacity: 1;
}

.form-message.error {
    color: #f44336;
    opacity: 1;
}

footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-top: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
    z-index: 1;
}

.social-links a:hover::before {
    width: 120%;
    height: 120%;
}

.social-links a i {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.social-links a:hover i {
    transform: scale(1.1);
}

.social-links a:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.4);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 4rem;
    }

    .hero p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .input-group {
        flex-direction: column;
    }

    .btn-primary {
        padding: 1.2rem;
        justify-content: center;
    }
}