/**
 * Pro Tint Layout Styles
 * Header, Footer, Sections
 */

/* ============================================
   HEADER
============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
}

.site-header__logo {
    display: flex;
    align-items: center;
    font-size: var(--fs-h4);
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
}

.site-header__logo img {
    height: 40px;
    width: auto;
}


/* ============================================
   NAVIGATION
============================================ */

.main-nav {
    display: none; /* Hidden on mobile, show on desktop */
}

.main-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-nav__item {
    position: relative;
}

.main-nav__link {
    font-size: var(--fs-nav);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.main-nav__link:hover,
.main-nav__link.active {
    color: var(--color-accent);
}

/* Desktop Navigation */
@media (min-width: 1024px) {
    .main-nav {
        display: block;
    }
}


/* ============================================
   MOBILE MENU TOGGLE
============================================ */

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle__line {
    width: 100%;
    height: 3px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}


/* ============================================
   MAIN CONTENT
============================================ */

.site-main {
    min-height: 100vh;
    padding-top: 80px; /* Header height offset */
}


/* ============================================
   SECTIONS
============================================ */

.section {
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
}

.section--dark {
    background-color: var(--color-bg-primary);
}

.section--gray {
    background-color: var(--color-bg-secondary);
}


/* ============================================
   FOOTER
============================================ */

.site-footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-xl);
}

.site-footer__top {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.site-footer__bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.site-footer__copyright {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .site-footer__top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .site-footer__top {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}