/* Responsive overrides (mobile-first)
   Loaded last in pages to take priority.
   - Provide mobile nav (hamburger) behavior styles
   - Responsive grids and images
   - Utility spacing and typography adjustments
*/

:root{
    --site-max-width:1200px;
    --container-padding:16px;
    --header-height:64px;
}

/* Global resets for responsive behavior */
img, video, iframe {
    max-width:100%;
    height:auto;
    display:block;
}

.container, .header__container, .hero__container, .welcome__container, .features__container,
.page-hero__container, .our-story__container, .team__container, .impact__container, .values__container,
.cta__container, .footer__container {
    max-width:var(--site-max-width);
    margin:0 auto;
    padding:0 var(--container-padding);
    box-sizing:border-box;
}

/* Mobile first: stack header elements */
.header{
    position:relative;
}
.header__container{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:12px;
    height:var(--header-height);
}

/* Hide default nav by default, show via .is-active */
.header__nav{
    position:absolute;
    top:var(--header-height);
    left:0;
    right:0;
    background:var(--primary-green, #2d5a3b);
    border-top:1px solid rgba(0,0,0,0.06);
    transform-origin:top;
    box-shadow:0 8px 24px rgba(0,0,0,0.06);
    max-height:0;
    overflow:hidden;
    transition:max-height 280ms ease, opacity 200ms ease;
    opacity:0;
    z-index:50;
}
.header__nav.is-active{
    max-height:420px; /* enough for nav links */
    opacity:1;
}

.header__nav-list{
    list-style:none;
    margin:0;
    padding:12px 16px 18px;
    display:flex;
    flex-direction:column;
    gap:8px;
}
.header__nav-link{
    display:block;
    padding:8px 12px;
    border-radius:6px;
}

/* Menu toggle button styles */
.header__menu-button{
    display: inline-block;
    background-color: var(--primary-green);
    color: var(--text-light);
    border: 2px solid var(--secondary-green);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.header__menu-button:hover {
    background-color: var(--secondary-green);
    color: var(--text-light);
}

.header__menu-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(122, 169, 130, 0.25);
}

/* Larger viewports: horizontal nav */
@media (min-width: 768px){
    .header__menu-button{ display:none; }
    .header__nav{
        position:static;
        max-height:none;
        opacity:1;
        background:transparent;
        box-shadow:none;
        border-top:0;
    }
    .header__nav-list{
        flex-direction:row;
        gap:18px;
        padding:0;
    }
    .header__nav-link{ padding:6px 0; }
    .header__nav-link.header__nav-link--active{
        font-weight:600;
        text-decoration:none;
    }
}

/* Responsive content grids */
.features__grid, .our-mission__grid, .team__grid, .values__grid, .impact__stats{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
}
@media (min-width:600px){
    .features__grid{ grid-template-columns:repeat(2, 1fr); }
    .our-mission__grid{ grid-template-columns:repeat(2, 1fr); }
    .team__grid{ grid-template-columns:repeat(2, 1fr); }
    .values__grid{ grid-template-columns:repeat(2, 1fr); }
}
@media (min-width:1000px){
    .features__grid{ grid-template-columns:repeat(3, 1fr); }
    .team__grid{ grid-template-columns:repeat(3, 1fr); }
    .our-mission__grid{ grid-template-columns:repeat(4, 1fr); }
}

/* Hero adjustments */
.hero__container, .page-hero__container{ padding-top:32px; padding-bottom:32px; }
.hero__title{ font-size:28px; }
@media (min-width:768px){
    .hero__title{ font-size:40px; }
}

/* Utility spacing for sections */
section{ padding:28px 0; }

/* Footer stacked on mobile */
.footer__container{ display:grid; grid-template-columns:1fr; gap:18px; }
@media (min-width:900px){
    .footer__container{ grid-template-columns:repeat(4,1fr); }
}

/* Make forms and buttons responsive */
.contact-cta__actions{ display:flex; flex-direction:column; gap:10px; }
@media (min-width:600px){
    .contact-cta__actions{ flex-direction:row; }
}

/* Prevent large tables or preformatted text overflowing */
table, pre{ max-width:100%; overflow:auto; }

/* Minor accessible focus styles */
a:focus, button:focus{ outline:none; }

/* Adjustments for long navs on mobile */
.header__nav-list{ max-height:60vh; overflow:auto; }

/* Small tweaks for images in article grids */
.team-member__img, .our-story__img{ border-radius:8px; width:100%; height:auto; }

/* Utility: hide elements on mobile if needed */
.hide-mobile{ display:none !important; }
@media (min-width:768px){ .hide-mobile{ display:initial !important; } }

/* Ensure the responsive file overrides earlier styles */
/* No important flags used except where necessary (hide-mobile). */