/* Custom CSS for NautiVerse Concept */
:root {
    --bg-color: #D5D5DC;
    --text-color: #333333;
    --accent-blue: #0693e3;
    --accent-hover: #33a9ec;
    --card-bg: #E7E7EC;
}

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

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

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navbar */
.navbar {
    padding: 1rem 0;
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-logo {
    height: 40px;
    display: block;
}

/* Hero Section */
.hero {
    padding: 0;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    background: linear-gradient(120deg, #ffffff, #a0aec0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #abb8c3;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 1rem 0;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--card-bg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-10px);
}

.gallery-item.selected {
    border: 3px solid #00497F;
    box-shadow: 0 25px 50px rgba(0, 73, 127, 0.4);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
    text-align: left;
    transform: translateY(10px);
    opacity: 0.9;
    transition: all 0.4s ease;
}

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

.item-overlay h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 900px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-title {
        font-size: 2.5rem;
    }
}