/* ==========================================================================
   Œuvre de Saint Casimir - Feuille de style principale
   ========================================================================== */

:root {
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2540;
    --color-accent: #b8860b;
    --color-accent-light: #d4a64a;
    --color-bg: #fdfaf5;
    --color-bg-alt: #f3ece0;
    --color-text: #2c2c2c;
    --color-text-light: #5a5a5a;
    --color-border: #e1d9c8;
    --color-white: #ffffff;
    --font-serif: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
    --font-sans: 'Lato', 'Helvetica Neue', Arial, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-primary-dark);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }

p {
    margin-bottom: 1rem;
    color: var(--color-text);
}

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

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.site-logo img {
    height: 60px;
    width: auto;
}

.logo-placeholder {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.5rem 0;
    position: relative;
}

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

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

.main-nav a.active {
    color: var(--color-primary-dark);
}

/* Language switcher */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: 30px;
    padding: 2px;
    background-color: var(--color-bg);
}

.lang-btn {
    border: none;
    background: transparent;
    color: var(--color-text-light);
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 20px;
    transition: var(--transition);
    font-family: inherit;
}

.lang-btn:hover {
    color: var(--color-primary-dark);
}

.lang-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary-dark);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    height: 75vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero .subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-family: var(--font-serif);
    font-style: italic;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-date {
    display: inline-block;
    border: 1px solid var(--color-accent-light);
    color: var(--color-accent-light);
    padding: 0.5rem 1.5rem;
    letter-spacing: 0.2em;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.85rem;
    border: 2px solid var(--color-accent);
    transition: var(--transition);
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: var(--color-accent-light);
}

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

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
}

/* ==========================================================================
   Sections
   ========================================================================== */

section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    margin: 1rem auto 0;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: -2rem auto 3rem;
    color: var(--color-text-light);
    font-style: italic;
}

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

/* ==========================================================================
   Page Header (inner pages)
   ========================================================================== */

.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: var(--color-white);
    padding: 5rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M30 10 L35 25 L50 30 L35 35 L30 50 L25 35 L10 30 L25 25 Z' fill='%23b8860b' opacity='0.08'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-header h1 {
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.page-header .breadcrumb {
    position: relative;
    z-index: 1;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: 1rem;
}

/* ==========================================================================
   Presentation grid (Home)
   ========================================================================== */

.presentation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.presentation-text h2 {
    margin-bottom: 1.5rem;
}

.presentation-text .lead {
    font-size: 1.15rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    border-left: 3px solid var(--color-accent);
}

.presentation-image {
    position: relative;
}

.presentation-image .image-placeholder {
    aspect-ratio: 4/5;
    box-shadow: var(--shadow-lg);
}

.presentation-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-accent);
    z-index: -1;
}

/* ==========================================================================
   Features / Services cards
   ========================================================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--color-white);
    padding: 2.5rem 2rem;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-alt);
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

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

/* ==========================================================================
   Image placeholders
   ========================================================================== */

.image-placeholder {
    width: 100%;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-border) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-family: var(--font-serif);
    font-style: italic;
    position: relative;
    overflow: hidden;
    min-height: 200px;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M0 0 L80 80 M80 0 L0 80' stroke='%23c9bfa8' stroke-width='1'/%3E%3C/svg%3E");
    opacity: 0.4;
}

.image-placeholder span {
    position: relative;
    z-index: 1;
    padding: 0.5rem 1rem;
    background-color: rgba(253, 250, 245, 0.9);
    border: 1px solid var(--color-border);
    font-size: 0.9rem;
}

/* ==========================================================================
   Gallery
   ========================================================================== */

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    aspect-ratio: 1/1;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.gallery-item .image-placeholder {
    height: 100%;
    min-height: 0;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 37, 64, 0.8), transparent 50%);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item-caption {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    color: var(--color-white);
    z-index: 2;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
    font-family: var(--font-serif);
    font-style: italic;
}

.gallery-item:hover .gallery-item-caption {
    opacity: 1;
    transform: translateY(0);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 37, 64, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.open {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    color: var(--color-white);
    font-size: 2.5rem;
    cursor: pointer;
    background: none;
    border: none;
    line-height: 1;
}

/* ==========================================================================
   Timeline (history page)
   ========================================================================== */

.timeline {
    position: relative;
    max-width: 900px;
    margin: 4rem auto 0;
    padding: 0 1rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--color-accent), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 1.5rem 2.5rem;
    margin-bottom: 2rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 2rem;
    width: 16px;
    height: 16px;
    background-color: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-accent);
    z-index: 1;
}

.timeline-item:nth-child(odd)::before {
    right: -8px;
}

.timeline-item:nth-child(even)::before {
    left: -8px;
}

.timeline-year {
    display: inline-block;
    color: var(--color-accent);
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-content {
    background-color: var(--color-white);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-info {
    padding: 2rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
}

.contact-info h3 {
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact-item-label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.contact-item-value {
    font-family: var(--font-serif);
    color: var(--color-primary-dark);
    font-size: 1.05rem;
}

.access-list {
    list-style: none;
    margin-top: 1rem;
}

.access-list li {
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--color-border);
    font-size: 0.95rem;
}

.access-list li:last-child {
    border-bottom: none;
}

.access-list strong {
    color: var(--color-primary);
    font-family: var(--font-serif);
}

.map-wrapper {
    position: relative;
    min-height: 450px;
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    position: absolute;
    inset: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 4rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: var(--color-accent-light);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-accent);
    display: inline-block;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a,
.footer-col p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
    .presentation-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 3rem;
        padding-right: 0;
    }

    .timeline-item::before {
        left: 12px !important;
        right: auto !important;
    }
}

@media (max-width: 720px) {
    .container {
        padding: 0 1.25rem;
    }

    section {
        padding: 3rem 0;
    }

    .page-header {
        padding: 3rem 0 2.5rem;
    }

    .hero {
        height: 60vh;
        min-height: 380px;
    }

    .hero-content {
        padding: 1.5rem;
    }

    .header-inner {
        padding: 0.75rem 1.25rem;
    }

    .site-logo {
        gap: 0.6rem;
        min-width: 0;
        flex: 0 1 auto;
    }

    .logo-placeholder {
        width: 44px;
        height: 44px;
        font-size: 1rem;
        flex-shrink: 0;
    }

    .site-logo img {
        height: 44px;
    }

    .logo-title {
        font-size: 0.95rem;
        line-height: 1.15;
    }

    .logo-subtitle {
        display: none;
    }

    .header-actions {
        gap: 0.5rem;
        flex-shrink: 0;
    }

    .lang-switcher {
        padding: 2px;
    }

    .lang-btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.7rem;
        letter-spacing: 0.05em;
    }

    .menu-toggle {
        display: flex;
        padding: 0.35rem;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .main-nav.open {
        max-height: 400px;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 0.5rem 1.5rem;
        gap: 0;
    }

    .main-nav li {
        border-bottom: 1px solid var(--color-border);
    }

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

    .main-nav a {
        display: block;
        padding: 1rem 0;
    }

    .hero-date {
        font-size: 0.75rem;
        letter-spacing: 0.15em;
        padding: 0.4rem 1rem;
    }

    .presentation-image::before {
        display: none;
    }

    .contact-info {
        padding: 1.5rem;
    }

    .map-wrapper {
        min-height: 320px;
    }

    .timeline-year {
        font-size: 1.5rem;
    }

    .timeline-item {
        padding: 1rem 0 1rem 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .site-footer {
        padding: 3rem 0 1.5rem;
    }
}

@media (max-width: 420px) {
    .header-inner {
        padding: 0.6rem 0.9rem;
    }

    .site-logo {
        gap: 0.5rem;
    }

    .logo-placeholder {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }

    .site-logo img {
        height: 38px;
    }

    .logo-title {
        font-size: 0.8rem;
    }

    .header-actions {
        gap: 0.4rem;
    }

    .lang-btn {
        padding: 0.3rem 0.4rem;
        font-size: 0.65rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero .subtitle {
        font-size: 0.95rem;
    }

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

    .gallery-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.4rem 0.9rem;
        font-size: 0.75rem;
    }
}

/* ==========================================================================
   Utilities & animations
   ========================================================================== */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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