/* Nelson-Griggs District Health Unit - main stylesheet */

/* reset */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, li, figure, figcaption, address { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }

/* tokens */
:root {
    --color-navy: #050F26;
    --color-navy-soft: #0B1A3D;
    --color-white: #FFFFFF;
    --color-blue: #2C5FCC;
    --color-blue-dark: #1E4494;
    --color-bg-alt: #F4F6FA;
    --color-text: #1A1F2E;
    --color-text-muted: #4A5268;
    --color-border: #DDE2EC;
    --color-focus: #FFB020;

    --font-body: 'Open Sans', -apple-system, Segoe UI, Helvetica, Arial, sans-serif;

    --container-width: 1280px;
    --radius: 6px;

    --bp-tablet: 640px;
    --bp-desktop: 1024px;
    --bp-large: 1280px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-white);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-navy);
}
h1 { font-size: 2rem; }
h2 { font-size: 1.65rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

@media (min-width: 1024px) {
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.4rem; }
}

/* focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

/* skip link */
.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-navy);
    color: var(--color-white);
    padding: 0.75rem 1.25rem;
    z-index: 200;
    border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
    left: 0;
}

.show-for-sr {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }

/* buttons */
.button {
    display: inline-block;
    background: var(--color-blue);
    color: var(--color-white);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    transition: background-color 0.15s ease;
}
.button:hover, .button:focus-visible {
    background: var(--color-blue-dark);
}
.button i {
    margin-right: 0.4rem;
}
.button-outline {
    background: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
}
.button-outline:hover, .button-outline:focus-visible {
    background: var(--color-white);
    color: var(--color-navy);
}

/* top bar */
.top-bar {
    background: var(--color-navy);
    color: var(--color-white);
    font-size: 0.875rem;
    display: none;
}
.top-bar-inner {
    display: flex;
    justify-content: flex-end;
    gap: 1.5rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}
.top-bar a { color: var(--color-white); }
.top-bar a:hover { text-decoration: underline; }
@media (min-width: 640px) {
    .top-bar { display: block; }
}

/* header */
.site-header {
    border-bottom: 1px solid var(--color-border);
}
.site-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}
.site-logo img {
    /* logo ratio approx 3:1 */
    width: 220px;
    height: auto;
}

.site-nav { display: none; }
.nav-list {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    font-weight: 600;
    position: relative;
}
.nav-list > li { position: relative; }
.nav-list a, .nav-list .has-dropdown {
    color: var(--color-navy);
    padding: 0.5rem 0;
}
.nav-list a:hover, .nav-list .has-dropdown:hover { color: var(--color-blue); }
.nav-list [aria-current="page"] { color: var(--color-blue); }

.has-dropdown-item { position: relative; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 20px rgba(5,15,38,0.12);
    padding: 0.5rem 0;
    z-index: 50;
}
.dropdown-menu.active { display: block; }
.dropdown-menu li a {
    display: block;
    padding: 0.6rem 1rem;
    font-weight: 400;
}
.dropdown-menu li a:hover { background: var(--color-bg-alt); }

.menu-toggle {
    font-size: 1.4rem;
    color: var(--color-navy);
    padding: 0.4rem;
}

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

/* mobile overlay menu */
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5,15,38,0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 100;
}
.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: 85%;
    max-width: 340px;
    background: var(--color-navy);
    color: var(--color-white);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 101;
    overflow-y: auto;
    padding: 1.5rem;
}
.mobile-menu-panel.active {
    transform: translateX(0);
}
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}
.mobile-menu-title { font-weight: 700; font-size: 1.1rem; }
.mobile-close { font-size: 1.4rem; color: var(--color-white); }

.mobile-nav-list { font-weight: 600; font-size: 1.05rem; }
.mobile-nav-list > li { border-bottom: 1px solid rgba(255,255,255,0.15); }
.mobile-nav-list a, .mobile-nav-list .has-dropdown {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
    color: var(--color-white);
    width: 100%;
    text-align: left;
}
.mobile-nav-list .dropdown-menu {
    position: static;
    display: none;
    background: none;
    border: 0;
    box-shadow: none;
    padding: 0 0 0.5rem 1rem;
}
.mobile-nav-list .dropdown-menu.active { display: block; }
.mobile-nav-list .dropdown-menu a { font-weight: 400; padding: 0.5rem 0; }
.mobile-menu-phone { margin-top: 1.5rem; font-weight: 600; }
.mobile-menu-phone a { color: var(--color-white); }

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

/* hero carousel */
.hero-carousel {
    position: relative;
    background: var(--color-navy);
}
.carousel { position: relative; overflow: hidden; }
.carousel-slide {
    display: none;
    position: relative;
}
.carousel-slide.active { display: block; }
.carousel-slide img {
    /* hero image, height-constrained banner */
    width: 100%;
    height: clamp(320px, 46vw, 600px);
    object-fit: cover;
}
.carousel-caption {
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(0deg, rgba(5,15,38,0.85), rgba(5,15,38,0));
    color: var(--color-white);
    padding: 2rem 1.25rem 1.25rem;
    font-weight: 700;
    font-size: 1.1rem;
}
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.9rem;
    background: var(--color-navy-soft);
}
.carousel-controls button {
    color: var(--color-white);
    font-size: 1rem;
    padding: 0.4rem;
}
.carousel-dots {
    display: flex;
    gap: 0.5rem;
}
.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    padding: 0;
}
.carousel-dot.active { background: var(--color-white); }

@media (min-width: 1024px) {
    .carousel-caption { font-size: 1.4rem; padding: 3rem 2.5rem 1.75rem; }
}

/* intro section */
.intro-section { padding: 3rem 0; }
.intro-grid {
    display: grid;
    gap: 2rem;
}
.intro-photo-link {
    position: relative;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
}
.intro-photo {
    /* location photo, fixed ratio 4:3 */
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    border-radius: var(--radius);
    transition: transform 0.2s ease;
}
.intro-photo-link:hover .intro-photo,
.intro-photo-link:focus-visible .intro-photo {
    transform: scale(1.03);
}
.intro-photo-caption {
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    background: var(--color-navy);
    color: var(--color-white);
    font-weight: 600;
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
}
.intro-photo-link:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}
@media (min-width: 1024px) {
    .intro-grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 3rem; }
}

/* services icons */
.services-section {
    background: var(--color-bg-alt);
    padding: 3.5rem 0;
    text-align: center;
}
.services-section p.lead { max-width: 640px; margin-left: auto; margin-right: auto; color: var(--color-text-muted); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
}
.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem 1rem;
    display: block;
    transition: border-color 0.15s ease;
}
.service-card:hover, .service-card:focus-visible {
    border-color: var(--color-blue);
}
.service-card i {
    font-size: 1.75rem;
    color: var(--color-blue);
    margin-bottom: 0.75rem;
}
.service-card h3 { font-size: 1rem; }

@media (min-width: 640px) {
    .services-grid { grid-template-columns: repeat(4, 1fr); }
}

/* news section */
.news-section { padding: 3.5rem 0; }
.news-heading { text-align: center; margin-bottom: 0.5rem; }
.news-section p.lead { text-align: center; color: var(--color-text-muted); max-width: 640px; margin: 0 auto 2rem; }
.news-grid {
    display: grid;
    gap: 1.5rem;
}
.news-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
.news-card-date { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 0.5rem; }
.news-card img {
    /* newsletter thumbnail ratio 3:4 */
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: var(--radius);
}
.news-more { text-align: center; margin-top: 2rem; }

@media (min-width: 640px) {
    .news-grid { grid-template-columns: 1fr 1fr; }
    .news-card { grid-template-columns: 2fr 1fr; }
}

/* mission section */
.mission-section {
    background: var(--color-navy);
    color: var(--color-white);
    padding: 3.5rem 0;
}
.mission-section h2 { color: var(--color-white); margin-bottom: 0.5rem; }
.mission-section p { color: rgba(255,255,255,0.85); }
.mission-section a { color: var(--color-white); text-decoration: underline; }

/* footer */
.site-footer {
    background: var(--color-navy-soft);
    color: var(--color-white);
}
.footer-grid {
    display: grid;
    gap: 2rem;
    padding: 3rem 0 2rem;
}
.footer-col h2 { color: var(--color-white); font-size: 1.1rem; margin-bottom: 0.75rem; }
.footer-col p, .footer-col address { color: rgba(255,255,255,0.8); font-style: normal; margin-bottom: 0.75rem; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a, .footer-col a { color: rgba(255,255,255,0.9); }
.footer-links a:hover, .footer-col a:hover { color: var(--color-white); text-decoration: underline; }
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    margin-right: 0.5rem;
}
.footer-social a:hover { background: var(--color-blue); border-color: var(--color-blue); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
}
.footer-bottom a { color: rgba(255,255,255,0.9); }
.footer-accessibility { margin-bottom: 1rem; }

@media (min-width: 640px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}