/*----------- Header Base -----------*/

.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.header__inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1rem;
}


/* Logo */

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo__text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}


/* Nav */

.nav {
    display: block;
}

.nav__list {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__list a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s;
}

.nav__list a:hover {
    color: var(--primary-color);
}


/* Hamburger toggle (hidden on desktop) */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle__bar {
    display: block;
    height: 2px;
    background: var(--dark-color);
    border-radius: 1px;
}


/* Sticky behaviour for scroll */

.header.scrolled {
    background: var(--white-color);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}


/*----------- Responsive -----------*/

@media (max-width: 768px) {
    .header__inner {
        grid-template-columns: auto auto;
    }
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white-color);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }
    .nav.open {
        transform: translateY(0);
    }
    .nav__list {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    .nav-toggle {
        display: none !important;
    }
    .header__inner {
        justify-content: center !important;
        grid-template-columns: auto !important;
    }
}