/* ========================================
   (사)경상북도지역발전협의회 - style.css
   Korean Civic Modern Design System
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #344E41;
    --color-primary-light: #3A5A40;
    --color-primary-dark: #2C4037;
    --color-accent: #588157;
    --color-point: #BC4749;

    --color-bg: #FFFFFF;
    --color-bg-section: #F2F4F3;
    --color-bg-warm: #DAD7CD;

    --color-text: #212529;
    --color-text-secondary: #6C757D;
    --color-text-light: #ADB5BD;

    --color-border: #DEE2E6;
    --color-header-footer: #1A1A2E;

    --color-card-bg: #FFFFFF;
    --color-card-shadow: rgba(0, 0, 0, 0.04);
    --color-card-shadow-hover: rgba(0, 0, 0, 0.08);

    --font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;

    --navbar-height: 60px;
    --border-radius: 12px;
    --transition: 0.25s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
ol {
    list-style: none;
}

::selection {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

/* --- Typography --- */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin-top: 0.6rem;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    margin-bottom: 2.5rem;
}

.section-padding {
    padding: 5rem 0;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition);
    height: var(--navbar-height);
}

.navbar.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary) !important;
    white-space: nowrap;
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--color-primary-light) !important;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Dropdown */
.nav-item-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: 0.5rem 0;
    z-index: 1040;
}

.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 0.55rem 1.25rem;
    font-size: 0.9rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition);
}

.dropdown-menu a:hover {
    background-color: var(--color-bg-section);
    color: var(--color-primary);
}

/* Hamburger */
.navbar-toggler {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.navbar-toggler span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.navbar-toggler.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar-toggler.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Page Hero (subpages) --- */
.page-hero {
    margin-top: var(--navbar-height);
    padding: 6rem 0 3.5rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(52, 78, 65, 0.85), rgba(88, 129, 87, 0.75));
    z-index: 1;
}

.page-hero .container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.page-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 0.75rem;
}

.page-hero .subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: #FFFFFF;
}

.breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
}

/* --- Cards --- */
.card {
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px var(--color-card-shadow);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--color-card-shadow-hover);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.card-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.75rem;
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-header-footer);
    color: rgba(255, 255, 255, 0.7);
}

.footer-top {
    padding: 3.5rem 0 2rem;
}

.footer-info li {
    font-size: 0.88rem;
    margin-bottom: 0.4rem;
    color: rgba(255, 255, 255, 0.6);
}
.footer-info a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}
.footer-info a:hover {
    color: var(--color-accent);
}

.footer-brand {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 1rem;
    display: block;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

.footer-heading {
    font-size: 0.95rem;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem 0;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background-color var(--transition);
    z-index: 1020;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
}

/* --- Utilities --- */
.text-green {
    color: var(--color-primary);
}

.text-red {
    color: var(--color-point);
}

.text-secondary {
    color: var(--color-text-secondary);
}

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

.bg-warm {
    background-color: var(--color-bg-warm);
}

.badge-red {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: #FFFFFF;
    background-color: var(--color-point);
    border-radius: 4px;
    line-height: 1.4;
    vertical-align: middle;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

/* --- Stat Counter (index) --- */
.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* --- Responsive --- */
@media (max-width: 991.98px) {
    .navbar-toggler {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 1rem 1.5rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        padding: 0.75rem 0;
        width: 100%;
        border-bottom: none;
    }

    .nav-link.active {
        border-bottom: none;
        color: var(--color-primary);
        font-weight: 600;
    }

    .nav-item-dropdown .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        background: transparent;
    }

    .nav-item-dropdown .dropdown-menu a {
        color: var(--color-text-secondary);
        padding: 0.4rem 0;
    }

}

@media (max-width: 767.98px) {
    .page-hero {
        padding: 4.5rem 0 2.5rem;
    }

    .page-hero h1 {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-padding {
        padding: 3.5rem 0;
    }

    .stat-number {
        font-size: 2rem;
    }


    .back-to-top {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}