/* ==========================================================================
   CSS Variables & Theme
   ========================================================================== */
:root {
    /* Colors - Light Theme, Natural, Historical */
    --color-bg-main: #FAFAFA;
    /* Warm white, almost parchment-like */
    --color-bg-alt: #F2F0ED;
    /* Slightly darker warm tone for alternating sections */
    --color-text-main: #2D2D2D;
    /* Readability, not pure black */
    --color-text-muted: #5C5C5C;
    /* For secondary informational text */

    /* Accents - Restrained, heraldic/historical feel */
    --color-accent-red: #A33327;
    /* Muted heraldic red */
    --color-accent-blue: #2A445E;
    /* Muted heraldic blue */
    --color-accent-gold: #C29B62;
    /* Muted old gold for borders or subtle highlights */

    /* Typography */
    --font-heading: 'Merriweather', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Layout */
    --layout-max-width: 1200px;
    --spacing-section-py: 5rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Visuals */
    --border-radius: 6px;
    --box-shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.05);
    --transition-standard: all 0.3s ease;
    --color-border-strong: #2D2D2D;
    --color-border-light: rgba(45, 45, 45, 0.15);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-text-main);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    /* Restrained elegant weight */
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-accent-red);
    text-decoration: none;
    transition: var(--transition-standard);
}

a:hover {
    color: var(--color-text-main);
}

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

/* ==========================================================================
   Utility Classes & Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-section-py) 0;
}

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

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--border-radius);
    transition: var(--transition-standard);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent-blue);
    color: #fff;
}

.btn-primary:hover {
    background-color: #1a2a3a;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(42, 68, 94, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
}

.btn-outline:hover {
    background-color: var(--color-accent-blue);
    color: #fff;
}

/* Animations (Subtle) */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-main);
    z-index: 1000;
    transition: var(--transition-standard);
    border-bottom: 1px solid var(--color-border-strong);
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    padding: 0;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo img {
    height: 80px;
}

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

.main-nav {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-md);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding: var(--spacing-sm) 0;
    white-space: nowrap;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-red);
    transition: var(--transition-standard);
}

.main-nav a:hover::after {
    width: 100%;
}

.header-cta {
    display: flex;
    align-items: center;
}

.header-cta .btn {
    border-radius: 30px;
    display: flex;
    align-items: center;
    border: 2px solid var(--color-accent-red);
    background-color: transparent;
    color: var(--color-accent-red);
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    height: auto;
    transition: all 0.3s ease;
}

.header-cta .btn:hover {
    background-color: var(--color-accent-red);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(163, 51, 39, 0.25);
}

/* ==========================================================================
   Intro / Identity Section
   ========================================================================== */
.intro-section {
    padding-top: 8rem;
    /* Account for fixed header */
    padding-bottom: var(--spacing-section-py);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.intro-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.intro-content h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.intro-lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-sm);
}

.intro-sub {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.intro-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.image-placeholder {
    width: 100%;
    background-color: #E2DFD8;
    /* Slightly darker than alt bg for contrast */
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-align: center;
    padding: var(--spacing-md);
    border: 1px dashed rgba(0, 0, 0, 0.1);
}

.intro-placeholder {
    aspect-ratio: 4 / 3;
    box-shadow: var(--box-shadow-subtle);
}

/* ==========================================================================
   Mission Section
   ========================================================================== */
.mission-section {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.mission-card {
    background-color: var(--color-bg-main);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-subtle);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition-standard);
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.mission-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

.mission-icon .custom-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    display: block;
    mix-blend-mode: multiply;
    /* Better blend with the off-white card backgrounds */
}

.mission-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.mission-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text-main);
    position: relative;
    transition: var(--transition-standard);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-text-main);
    transition: var(--transition-standard);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Responsive adjustments for top sections */
@media (max-width: 992px) {
    .header-container {
        align-items: center;
    }

    .mobile-menu-toggle {
        display: block;
        margin-left: auto;
    }

    .intro-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .intro-actions {
        justify-content: center;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-main);
        padding: 0;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--color-border-light);
    }

    .main-nav.is-open {
        display: flex;
        flex-direction: column;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        align-items: center;
        width: 100%;
    }

    .main-nav li {
        width: 100%;
        text-align: center;
    }

    .main-nav a {
        display: block;
        padding: 1.25rem 0;
        font-size: 1.1rem;
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .main-nav li:last-child a {
        border-bottom: none;
    }

    .main-nav a::after {
        display: none;
        /* remove hover line on mobile */
    }

    .main-nav a:hover,
    .main-nav a:active {
        background-color: var(--color-bg-alt);
        color: var(--color-accent-red);
    }

    .header-cta {
        display: none;
    }
}

/* ==========================================================================
   Main Activities Section
   ========================================================================== */
.activities-section {
    padding-bottom: var(--spacing-xl);
}

.activities-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.activity-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.activity-item.reverse {
    direction: rtl;
    /* simple way to reverse on desktop */
}

.activity-item.reverse>* {
    direction: ltr;
    /* reset text direction internal blocks */
}

.activity-content {
    padding: var(--spacing-md) 0;
}

.activity-tag {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-red);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-accent-red);
    padding-bottom: 2px;
}

.activity-content h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.activity-content p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

.activity-image-wrapper {
    width: 100%;
    position: relative;
}

.activity-placeholder {
    aspect-ratio: 4 / 3;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-subtle);
}

/* ==========================================================================
   About / History Section
   ========================================================================== */
.about-section {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.about-container {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-blue);
}

.about-content p {
    font-size: 1.05rem;
    margin-bottom: var(--spacing-md);
}

.about-placeholder {
    aspect-ratio: 3 / 4;
    /* Portrait oriented for variety */
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   Public Events / Projects Section
   ========================================================================== */
.events-section {
    padding: var(--spacing-xl) 0;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.event-card {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-accent-blue);
    transition: var(--transition-standard);
}

.event-card:hover {
    background-color: #E8E5DF;
    /* slightly darker on hover */
    transform: translateX(5px);
}

.event-card h4 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.event-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Responsive adjustments for Core Content */
@media (max-width: 992px) {
    .activity-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .activity-item.reverse {
        direction: ltr;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }

    .about-placeholder {
        aspect-ratio: 16 / 9;
    }
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-sm);
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.gallery-placeholder {
    aspect-ratio: 1;
    /* Square thumbnails for neat grid */
    transition: var(--transition-standard);
    cursor: pointer;
}

.gallery-placeholder:hover {
    transform: scale(1.05);
    background-color: #D8D5CD;
}

/* ==========================================================================
   Partners Section
   ========================================================================== */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
}

.partner-logo {
    flex: 0 1 200px;
    filter: grayscale(100%) opacity(0.6);
    transition: var(--transition-standard);
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(1);
}

.partner-placeholder {
    aspect-ratio: 16 / 9;
    background-color: transparent;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   Membership / Community Section
   ========================================================================== */
.membership-section {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.membership-container {
    max-width: 800px;
}

.membership-container h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.membership-sub {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
    padding-bottom: var(--spacing-xl);
}

.contact-grid {
    display: flex;
    justify-content: center;
}

.contact-info {
    max-width: 600px;
    background-color: #fff;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-subtle);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--color-accent-blue);
    text-align: center;
}

.contact-details {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-method a {
    color: var(--color-text-main);
    font-weight: 500;
}

.contact-method a:hover {
    color: var(--color-accent-red);
}

/* ==========================================================================
   Footer — Asymmetric Exhibition Style
   ========================================================================== */
.site-footer {
    background-color: #1C1C1C;
    color: #E8E5DF;
    position: relative;
    overflow: hidden;
}

.footer-accent {
    height: 5px;
    background: linear-gradient(90deg, var(--color-accent-red) 0%, var(--color-accent-red) 35%, var(--color-accent-gold) 100%);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    gap: var(--spacing-xl);
    align-items: start;
}

/* Left column */
.footer-left {
    padding-right: var(--spacing-xl);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-name-label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.7rem;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0;
}

/* Right column — data rows */
.footer-right {
    display: flex;
    flex-direction: column;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    gap: var(--spacing-md);
}

.footer-row:first-child {
    padding-top: 0;
}

.footer-row:last-child {
    border-bottom: none;
}

.footer-row-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
    flex-shrink: 0;
    min-width: 110px;
}

.footer-row-value {
    font-size: 0.95rem;
    color: #E8E5DF;
    text-align: right;
}

.footer-row-value a {
    color: #E8E5DF;
    transition: var(--transition-standard);
}

.footer-row-value a:hover {
    color: var(--color-accent-gold);
}

/* Bottom strip */
.footer-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
    transition: var(--transition-standard);
}

.footer-nav a:hover {
    color: #fff;
}

.footer-copy {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.25);
}

@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-left {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding-bottom: var(--spacing-lg);
    }

    .footer-row-value {
        text-align: left;
    }

    .footer-strip {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }
}

/* Responsive Utilities */
.mt-4 {
    margin-top: var(--spacing-lg);
}

/* ==========================================================================
   Mobile Optimization (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {

    /* Layout Adjustments */
    :root {
        --spacing-section-py: 3rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .container {
        padding: 0 1.25rem;
    }

    /* Typography Scaling */
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.4rem;
    }

    /* Intro / Hero Section */
    .intro-section {
        padding-top: 6rem;
        padding-bottom: 3rem;
        min-height: auto;
    }

    .intro-content h1 {
        font-size: 2.25rem;
        margin-bottom: var(--spacing-sm);
    }

    .intro-lead {
        font-size: 1.1rem;
    }

    .intro-actions {
        flex-direction: column;
        width: 100%;
    }

    .intro-actions a {
        width: 100%;
        text-align: center;
    }

    /* Activity Items */
    .activity-content h3 {
        font-size: 1.5rem;
    }

    .activities-list {
        gap: var(--spacing-lg);
    }

    /* About Section */
    .about-content h2 {
        font-size: 2rem;
    }

    /* Grids */
    .mission-grid,
    .events-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Footer Tweaks */
    .footer-title {
        font-size: 2.5rem;
    }
}