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

:root {
    --primary-blue: #0077be;
    --dark-blue: #004d7a;
    --light-blue: #e3f2fd;
    --navy: #1a2332;
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray: #666;
    --text-dark: #333;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#navbar.scrolled {
    background: rgba(26, 35, 50, 0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

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

.lang-switch {
    margin-left: 1rem;
    border-left: 1px solid rgba(255,255,255,0.2);
    padding-left: 1rem;
}

.lang-switch a {
    background: rgba(255,255,255,0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: background 0.3s ease;
}

.lang-switch a:hover {
    background: rgba(255,255,255,0.2);
}

.lang-switch a::after {
    display: none;
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0077be 0%, #004d7a 100%);
    background-image: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="waves" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M0 50 Q 25 40, 50 50 T 100 50" stroke="rgba(255,255,255,0.05)" fill="none" stroke-width="2"/><path d="M0 70 Q 25 60, 50 70 T 100 70" stroke="rgba(255,255,255,0.03)" fill="none" stroke-width="2"/></pattern></defs><rect width="100" height="100" fill="url(%23waves)"/></svg>'),
                linear-gradient(135deg, #0077be 0%, #004d7a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    text-align: center;
    z-index: 1;
    color: var(--white);
    animation: fadeInUp 1s ease;
}

.logo-container {
    margin-bottom: 3rem;
}

.logo-main {
    font-size: 5rem;
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.logo-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--white);
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(45deg);
    margin: 0 auto;
}

/* Sections */
.section {
    padding: 5rem 2rem;
}

.section-alt {
    background: var(--gray-light);
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--navy);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-blue);
    margin: 1rem auto;
    border-radius: 2px;
}

.section-content {
    max-width: 1000px;
    margin: 0 auto;
    font-size: 1.0rem;
    line-height: 1.8;
}

.section-content p {
    margin-bottom: 1.5rem;
}

.section-content ul {
    list-style: none;
    padding: 0;
}

.section-content ul li {
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--white);
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.section-alt .section-content ul li {
    background: var(--white);
}

.section-content ul li:hover {
    transform: translateX(10px);
}

.section-content ul li strong {
    color: var(--primary-blue);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.0rem;
}

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

.contact-content p {
    font-size: 1.0rem;
}

/* Footer */
.footer {
    background: var(--navy);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

.footer p {
    margin: 0.5rem 0;
    opacity: 0.8;
}

/* Gallery */
.gallery-container {
    margin-top: 2rem;
}

.gallery-scroll {
    position: relative;
    max-width: 100%;
    overflow: hidden;
}

.gallery-track {
    display: flex;
    gap: 1rem;
    transition: transform 0.5s ease;
    padding: 1rem 0;
}

.gallery-item {
    flex: 0 0 auto;
    width: 250px;
    height: 180px;
    position: relative;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Gallery Navigation Arrows */
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 119, 190, 0.9);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.gallery-nav:hover {
    background: rgba(0, 77, 122, 0.95);
    transform: translateY(-50%) scale(1.1);
}

.gallery-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gallery-nav:disabled:hover {
    transform: translateY(-50%) scale(1);
}

.gallery-nav-prev {
    left: 10px;
}

.gallery-nav-next {
    right: 10px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 5px;
    box-shadow: 0 0 50px rgba(255,255,255,0.1);
    animation: zoomIn 0.3s ease;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-content.loaded {
    opacity: 1;
}

.lightbox-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    z-index: 1;
}

.lightbox-loader.active {
    display: block;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: white;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
}

.lightbox-close:hover {
    color: var(--primary-blue);
}

/* Lightbox Navigation */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 119, 190, 0.8);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.lightbox-nav:hover {
    background: rgba(0, 119, 190, 1);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
    transform: translateY(-50%) scale(1);
    background: rgba(0, 119, 190, 0.8);
}

.lightbox-nav-prev {
    left: 30px;
}

.lightbox-nav-next {
    right: 30px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--navy);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .lang-switch {
        margin-left: 0;
        border-left: none;
        padding-left: 0;
        border-top: 1px solid rgba(255,255,255,0.2);
        padding-top: 1rem;
    }
    
    .lang-switch a {
        display: inline-block;
        width: auto;
    }
    
    .logo-main {
        font-size: 3rem;
        letter-spacing: 4px;
    }
    
    .logo-subtitle {
        font-size: 1rem;
        letter-spacing: 2px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-content {
        font-size: 1rem;
    }
    
    .gallery-item {
        width: 200px;
        height: 150px;
    }
    
    .gallery-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .gallery-nav-prev {
        left: 5px;
    }
    
    .gallery-nav-next {
        right: 5px;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 80%;
    }
    
    .lightbox-close {
        top: 10px;
        right: 15px;
        font-size: 40px;
    }
    
    .lightbox-nav {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .lightbox-nav-prev {
        left: 10px;
    }
    
    .lightbox-nav-next {
        right: 10px;
    }
}