:root {
    --bg-color: #0d0f12;
    --card-bg: #161b22;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-pink: #ff66cc;
    --accent-glow: rgba(255, 102, 204, 0.2);
    --border-color: #30363d;
}

body.dark-mode {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(13, 15, 18, 0.85);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand-name {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 1.5px;
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--accent-glow);
}

.nav-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    background-color: rgba(22, 27, 34, 0.5);
    border: 1px solid rgba(240, 246, 252, 0.1);
    transition: all 0.3s ease;
}

.nav-links a:hover, .cta-button-nav {
    color: var(--text-primary);
    border-color: var(--accent-pink);
    background-color: var(--card-bg);
    box-shadow: 0 0 12px var(--accent-glow);
}

.nav-phone-btn {
    color: var(--text-primary) !important;
    background-color: rgba(255, 102, 204, 0.1) !important;
    border: 1px solid var(--accent-pink) !important;
    box-shadow: 0 0 10px var(--accent-glow);
}

.nav-phone-btn:hover {
    background-color: var(--accent-pink) !important;
    color: #0d0f12 !important;
}

section {
    padding: 80px 20px;
    max-width: 1000px;
    margin: 0 auto;
    border-bottom: 1px solid rgba(48, 54, 61, 0.4);
}

.hero-section {
    text-align: center;
    padding: 140px 20px 100px 20px;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-section p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn.primary {
    background-color: var(--accent-pink);
    color: #0d0f12;
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn.primary:hover {
    background-color: #ff33bb;
    transform: translateY(-2px);
}

.btn.secondary {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn.secondary:hover {
    border-color: var(--accent-pink);
    transform: translateY(-2px);
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent-pink);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transform: translateY(-3px);
}

.card h3 {
    margin-top: 0;
    color: var(--text-primary);
}

.card p, .about-section p, .sectors-section li {
    color: var(--text-secondary);
}

.sectors-section ul {
    list-style: none;
    padding: 0;
}

.sectors-section li {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 6px;
}

.badge-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 25px;
}

.badge-grid span {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.contact-section {
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--card-bg) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin: 60px auto;
    padding: 60px 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 600px;
    margin: 30px auto 0 auto;
}

.contact-form input, .contact-form textarea {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 14px;
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-pink);
}

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}