/* Header & Logo */
header {
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    color: var(--text-main);
    padding: 1rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 25px;
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover {
    color: var(--accent);
}

/* Hero Section */
.hero {
    padding: 8rem 5% 10rem;
    /* Градієнт тепер адаптивний */
    background: radial-gradient(circle at top right, var(--primary-dark), transparent),
    linear-gradient(135deg, var(--light-bg) 0%, var(--card-bg) 100%);
    color: var(--text-main);
    text-align: center;
    transition: background 0.3s ease;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    /* Текст заголовка адаптується до теми */
    background: linear-gradient(to right, var(--text-main), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 5% 5rem;
    margin-top: -3rem;
}

/* Products Section */
.products-section {
    padding: 5rem 5%;
    text-align: center;
    background-color: var(--card-bg);
}

.products-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary);
}

.products-grid {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

/* Contact Section */
.contact-section {
    padding: 2rem 5% 5rem !important;
    background-color: var(--light-bg);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

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

/* Footer */
footer {
    background: var(--card-bg);
    color: var(--text-muted);
    padding: 4rem 5%;
    text-align: center;
    border-top: 1px solid var(--border-color);
    transition: var(--transition);
}

/* FAQ spacing */
.faq-section {
    padding-bottom: 8rem;
}

/* Scroll Margins for anchors */
section[id] {
    scroll-margin-top: 100px;
}

/* Animations (Reveal) */
.reveal {
    opacity: 1 !important;
    transform: none !important;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal:not(.active) {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .contact-section { padding-top: 1rem !important; }
    .faq-section { padding-bottom: 4rem; }
}