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

:root {
    --primary-color: #ffffff;
    --text-color: #333333;
    --text-light: #666666;
    --accent-color: #8fa082; /* Soft olive green */
    --bg-color: #fcfcfc;
    --bg-light: #ffffff;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: var(--primary-color);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 5%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: var(--transition);
}

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

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

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('https://images.unsplash.com/photo-1469474968028-56623f02e42e?auto=format&fit=crop&q=80&w=1920') no-repeat center center/cover;
    color: #fff;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 1px;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 300;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent-color);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--accent-color);
}

.btn:hover {
    background-color: transparent;
    border-color: #fff;
}

/* Gallery Section */
.gallery-section {
    padding: 5rem 5%;
    background-color: var(--bg-color);
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

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

.filter-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid #ddd;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-light);
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

/* CSS Grid Gallery Structure */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-auto-rows: 250px;
    grid-auto-flow: dense;
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08); /* Soft shadow */
    transition: all 0.4s ease;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.gallery-item .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item .overlay span {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 500;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    text-align: center;
    padding: 10px;
}

.gallery-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); /* Lift up hover effect */
    transform: translateY(-5px);
}

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

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

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

/* Hide filtered items */
.gallery-item.hide {
    display: none;
}

/* Desktop variations for Grid */
@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .tall {
        grid-row: span 2;
    }
    .wide {
        grid-column: span 2;
    }
}

/* About Section */
.about-section {
    padding: 6rem 5%;
    background-color: var(--bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-content {
    max-width: 800px;
    text-align: center;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Footer Section */
.footer {
    background-color: var(--primary-color);
    padding: 3rem 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    border-top: 1px solid #eee;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
}

.social-icons a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.footer p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    /* Mobile Hamburger Trigger */
    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Side Nav Layout */
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        gap: 0;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100vw;
        height: calc(100vh - 70px);
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.05);
        display: flex;
        justify-content: flex-start;
        padding-top: 2rem;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 1.5rem 0;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }
}