:root {
    --bg: #0d1117;
    --bg-elevated: #161b22;
    --border: #30363d;
    --text: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #d08770;
    --accent-hover: #ebcb8b;
    --font: 'JetBrains Mono', 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
    --max-width: 760px;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 1.05rem;
    line-height: 1.65;
    min-height: 100vh;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 5rem 1.5rem 6rem;
}

.hero {
    text-align: center;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 3.8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.intro {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3.5rem auto;
    max-width: 120px;
}

section h2 {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text);
}

.service {
    margin-bottom: 2rem;
}

.service h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.service p {
    color: var(--text-muted);
}

.contact-intro {
    text-align: center;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 540px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    background-color: var(--bg-elevated);
    color: var(--text);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(208, 135, 112, 0.15);
    outline: none;
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
}

.contact-form button {
    padding: 1rem 1.5rem;
    background-color: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s, transform 0.1s;
}

.contact-form button:hover {
    filter: brightness(1.1);
}

.contact-form button:active {
    transform: translateY(1px);
}

.site-footer {
    text-align: center;
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 600px) {
    .container {
        padding: 3rem 1rem 4rem;
    }

    .hero h1 {
        font-size: 2.1rem;
    }

    section h2 {
        font-size: 1.5rem;
    }
}