/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #1a4d6f;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 3.5rem;
}

.nav-logo {
    background: none;
    border: none;
    color: #d4af37;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
}

.nav-desktop {
    display: none;
    gap: 1.5rem;
}

.nav-link {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.3s;
}

.nav-link:hover {
    color: white;
}

.nav-link.active {
    color: #d4af37;
}

.nav-mobile-btn {
    display: block;
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
}

.nav-mobile {
    display: none;
    padding-bottom: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
    margin-top: 0.5rem;
}

.nav-mobile.active {
    display: block;
}

.nav-mobile-link {
    display: block;
    width: 100%;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    padding: 0.5rem 0;
    text-align: left;
    cursor: pointer;
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
    
    .nav-mobile-btn {
        display: none;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 3.5rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 77, 111, 0.7);
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #d4af37;
    margin-bottom: 1rem;
}

.hero-text {
    color: rgba(255, 255, 255, 0.9);
}

@media (min-width: 640px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-white {
    background-color: white;
}

.section-gray {
    background-color: #f8f9fa;
}

.container {
    max-width: 48rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 1.875rem;
    margin-bottom: 0.5rem;
    color: #1a4d6f;
    font-weight: bold;
}

.title-bar {
    width: 5rem;
    height: 0.25rem;
    background-color: #d4af37;
    margin-bottom: 2rem;
}

.text-content {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.text-bold {
    color: #1a4d6f;
    font-weight: bold;
}

.text-gold {
    color: #d4af37;
    font-weight: bold;
}

.subsection-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #1a4d6f;
    font-weight: bold;
}

.list {
    margin-bottom: 2rem;
    list-style: none;
}

.list li {
    color: #4b5563;
    margin-bottom: 0.5rem;
}

/* Photos */
.photo-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.photo-container {
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.photo-container-single {
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-top: 1rem;
}

.photo-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 16/9;
}

.photo-caption {
    padding: 0.75rem 1rem;
    background-color: rgba(26, 77, 111, 0.05);
    color: #1a4d6f;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
}

@media (min-width: 768px) {
    .photo-grid {
        flex-direction: row;
        gap: 1.5rem;
    }
    
    .photo-container {
        flex: 1;
    }
}

/* Room Cards */
.room-card {
    margin-bottom: 3rem;
}

.room-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1a4d6f;
    font-weight: bold;
}

.room-description {
    color: #6b7280;
    margin-bottom: 1rem;
}

.improvements-title {
    font-size: 0.875rem;
    color: #d4af37;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.improvements-list {
    margin-bottom: 1.5rem;
    list-style: none;
}

.improvements-list li {
    color: #4b5563;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

/* Process Steps */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.process-step {
    margin-bottom: 0;
}

.process-title {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
    color: #1a4d6f;
    font-weight: bold;
}

.process-description {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background-color: #1a4d6f;
    padding: 3rem 0;
}

.team-section {
    text-align: center;
    margin-bottom: 2rem;
}

.team-title {
    color: #d4af37;
    font-size: 1.125rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-info {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
}

.footer-project {
    margin-bottom: 0.5rem;
    color: #d4af37;
}

.footer-school {
    color: rgba(255, 255, 255, 0.7);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}