:root {
    --red: #B13D14;
    --light-peach: #f9f2eb;
    --dark-brown: #340701;
    --deep-red: #9C1A04;
    --peach: #FFD7C1;
    --black: #090400;
    --white: #e6e6e6;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--light-peach);
    color: var(--dark-brown);
    line-height: 1.6;
    background-color: var(--light-peach);
    background-image: 
        linear-gradient(to right, rgba(0, 0, 0, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.05) 1px, transparent 1px);
    background-size: 40px 40px; 
}

header {
    background: var(--light-peach);
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    position: relative;
}

nav a {
    color: var(--dark-brown);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 600;
}

nav a:hover {
    color: var(--red);
    text-decoration: underline;
}

.projects-hero {
    text-align: center;
    padding: 3rem 2rem 1rem;
}

.projects-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.projects-hero p {
    font-size: 1.2rem;
    color: var(--black);
}

.decorative-divider {
    width: 100%;
    height: 60px;
    background: linear-gradient(90deg, var(--dark-brown) 0%, var(--red) 50%, var(--deep-red) 100%);
    opacity: 0.1;
    clip-path: polygon(0 50%, 10% 40%, 20% 50%, 30% 40%, 40% 50%, 50% 40%, 60% 50%, 70% 40%, 80% 50%, 90% 40%, 100% 50%, 100% 100%, 0 100%);
    margin: 2rem 0;
}

.filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--dark-brown);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--red);
}

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;

}

.projects-grid a{
    text-decoration: none;
    color: inherit;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card.hidden {
    display: none;
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-card h3 {
    padding: 1rem;
    font-size: 1.2rem;
    color: var(--dark-brown);
}

footer {
    text-align: center;
    padding: 2rem;
    background: var(--dark-brown);
    color: var(--white);
    font-size: 0.9rem;
    margin-top: 3rem;
}