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

:root {
    --blue-black: #0f1419;
    --text-color: #1a1f2e;
    --light-bg: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--blue-black);
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 4px,
            rgba(255, 255, 255, 0.05) 4px,
            rgba(255, 255, 255, 0.15) 5px,
            rgba(255, 255, 255, 0.18) 6px,
            rgba(255, 255, 255, 0.15) 7px,
            rgba(255, 255, 255, 0.05) 8px,
            transparent 8px
        ),
        repeating-linear-gradient(
            47deg,
            transparent,
            transparent 6px,
            rgba(255, 255, 255, 0.04) 6px,
            rgba(255, 255, 255, 0.12) 7px,
            rgba(255, 255, 255, 0.14) 8px,
            rgba(255, 255, 255, 0.12) 9px,
            rgba(255, 255, 255, 0.04) 10px,
            transparent 10px
        ),
        repeating-linear-gradient(
            43deg,
            transparent,
            transparent 5px,
            rgba(255, 255, 255, 0.06) 5px,
            rgba(255, 255, 255, 0.16) 6px,
            rgba(255, 255, 255, 0.19) 7px,
            rgba(255, 255, 255, 0.16) 8px,
            rgba(255, 255, 255, 0.06) 9px,
            transparent 9px
        );
    color: white;
    padding: 60px 0;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.tagline {
    font-size: 1.25rem;
    opacity: 0.95;
}

main {
    min-height: calc(100vh - 200px);
}

section {
    padding: 60px 0;
}

.hero {
    background-color: white;
    text-align: center;
    padding: 80px 0;
}

.hero .intro {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
    line-height: 1.3;
}

.hero .description {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    color: #6b7280;
    line-height: 1.7;
}

.about {
    background-color: var(--light-bg);
    text-align: center;
}

.about h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-color);
}

.about .services-text {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    color: #4b5563;
    line-height: 1.8;
}

.contact {
    background-color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 20px;
}

.contact > .container > p {
    text-align: center;
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-black);
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: var(--blue-black);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 20, 25, 0.3);
    background-color: #1a1f2e;
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-status {
    margin-top: 20px;
    padding: 12px;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-status.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

footer {
    background-color: var(--blue-black);
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 4px,
            rgba(255, 255, 255, 0.05) 4px,
            rgba(255, 255, 255, 0.15) 5px,
            rgba(255, 255, 255, 0.18) 6px,
            rgba(255, 255, 255, 0.15) 7px,
            rgba(255, 255, 255, 0.05) 8px,
            transparent 8px
        ),
        repeating-linear-gradient(
            47deg,
            transparent,
            transparent 6px,
            rgba(255, 255, 255, 0.04) 6px,
            rgba(255, 255, 255, 0.12) 7px,
            rgba(255, 255, 255, 0.14) 8px,
            rgba(255, 255, 255, 0.12) 9px,
            rgba(255, 255, 255, 0.04) 10px,
            transparent 10px
        ),
        repeating-linear-gradient(
            43deg,
            transparent,
            transparent 5px,
            rgba(255, 255, 255, 0.06) 5px,
            rgba(255, 255, 255, 0.16) 6px,
            rgba(255, 255, 255, 0.19) 7px,
            rgba(255, 255, 255, 0.16) 8px,
            rgba(255, 255, 255, 0.06) 9px,
            transparent 9px
        );
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
}

footer p {
    margin: 8px 0;
}

footer .company-info {
    font-size: 0.9rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .hero .intro {
        font-size: 1.75rem;
    }

    .hero .description {
        font-size: 1.1rem;
    }

    .about h2,
    .contact h2 {
        font-size: 1.75rem;
    }

    .about .services-text {
        font-size: 1.1rem;
    }

    .contact-form {
        padding: 30px 20px;
    }
}