/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}


.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #1d1d1f;
    font-weight: 400;
    font-size: 17px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #007AFF;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #007AFF;
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 24px 60px;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 24px;
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero p {
    font-size: 24px;
    font-weight: 300;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.4;
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

/* Filter Buttons */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 40px 0 60px;
    flex-wrap: wrap;
    padding: 0 24px;
}

.filter-btn {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: #1d1d1f;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Gallery Grid */
.gallery {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }
.gallery-item:nth-child(5) { animation-delay: 0.5s; }
.gallery-item:nth-child(6) { animation-delay: 0.6s; }

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 24px;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.gallery-description {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.4;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 25px 100px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ocean Wave Animation */
.ocean-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    z-index: -1;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.15) 100%);
    border-radius: 50% 50% 0 0;
    animation: wave-motion 8s ease-in-out infinite;
}

.wave:nth-child(2) {
    bottom: -10px;
    opacity: 1;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.12) 100%);
    animation: wave-motion 10s ease-in-out infinite reverse;
}

.wave:nth-child(3) {
    bottom: -20px;
    opacity: 0.8;
    background: linear-gradient(180deg, 
        rgba(255, 255, 255, 0.02) 0%, 
        rgba(255, 255, 255, 0.06) 50%,
        rgba(255, 255, 255, 0.1) 100%);
    animation: wave-motion 12s ease-in-out infinite;
}

@keyframes wave-motion {
    0%, 100% {
        transform: translateX(-50%) translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateX(-55%) translateY(-5px) rotate(-1deg);
    }
    50% {
        transform: translateX(-50%) translateY(-10px) rotate(0deg);
    }
    75% {
        transform: translateX(-45%) translateY(-5px) rotate(1deg);
    }
}

/* Floating particles */
.particles {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float-up 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; }
.particle:nth-child(10) { left: 15%; animation-delay: 7s; }

@keyframes float-up {
    0% {
        transform: translateY(300px) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* Glass orbs */
.orb-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 400px;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glass-orb {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1), 
        rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float-orb 20s ease-in-out infinite;
}

.glass-orb:nth-child(1) {
    width: 60px;
    height: 60px;
    bottom: -30px;
    left: 20%;
    animation-delay: 0s;
}

.glass-orb:nth-child(2) {
    width: 40px;
    height: 40px;
    bottom: -20px;
    left: 60%;
    animation-delay: 5s;
}

.glass-orb:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: -40px;
    left: 80%;
    animation-delay: 10s;
}

@keyframes float-orb {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    25% {
        transform: translateY(-80px) translateX(20px);
    }
    50% {
        transform: translateY(-120px) translateX(-10px);
    }
    75% {
        transform: translateY(-80px) translateX(15px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .gallery {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .filter-container {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    .ocean-container {
        height: 150px;
    }

    .particles {
        height: 200px;
    }

    .orb-container {
        height: 250px;
    }
}