:root {
    --dark-teal: #2F4F4F;     
    --rust-brown: #8B4513;    
    --off-white: #F5F5DC;     
    --slate-gray: #708090;    
}


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

body {
    font-family: 'Arimo', Arial, sans-serif;
    color: var(--slate-gray);
    background-color: var(--off-white);
    line-height: 1.6;
    min-height: 100vh;
}


h1, h2, h3 {
    font-family: 'Allan', Georgia, serif;
    color: var(--dark-teal);
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}


header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(47, 79, 79, 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav > div {
    display: flex;
    align-items: center;
}

nav img {
    display: block;
    height: auto;
}

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

nav ul li a {
    text-decoration: none;
    color: var(--dark-teal);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background-color: var(--rust-brown);
    color: white;
}


section:first-of-type {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(rgba(47, 79, 79, 0.8), rgba(47, 79, 79, 0.9)), 
                url('../images/cool_mountain.png');
    background-size: cover;
    background-position: center;
    color: white;
    margin-bottom: 2rem;
}

section:first-of-type h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

section:first-of-type p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--off-white);
}

section:first-of-type > div {
    margin: 2rem auto;
    max-width: 1000px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

section:first-of-type img {
    display: block;
    width: 100%;
    height: auto;
}

section:first-of-type a {
    display: inline-block;
    background-color: var(--rust-brown);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 2rem;
    transition: all 0.3s ease;
    border: 2px solid var(--rust-brown);
}

section:first-of-type a:hover {
    background-color: transparent;
    color: var(--rust-brown);
    transform: translateY(-2px);
}


#categories {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    text-align: center;
}

#categories h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

#categories h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background-color: var(--rust-brown);
    margin: 1rem auto;
    border-radius: 2px;
}

#categories > div {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    margin-top: 3rem;
    gap: 2rem;
}

#categories > div > div {
    flex: 1; 
    background: white;
    border-radius: 15px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}


#categories > div > div:first-child {
    border: 2px solid var(--dark-teal);
}


#categories > div > div:last-child {
    border: 2px solid var(--rust-brown);
}

#categories > div > div:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(139, 69, 19, 0.15);
}

#categories h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark-teal);
}

#categories > div > div:last-child h3 {
    color: var(--rust-brown);
}

#categories p {
    color: var(--slate-gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    flex-grow: 1;
}

#categories a {
    display: inline-block;
    background-color: var(--dark-teal);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid var(--dark-teal);
    align-self: center;
}

#categories > div > div:last-child a {
    background-color: var(--rust-brown);
    border-color: var(--rust-brown);
}

#categories a:hover {
    background-color: transparent;
    color: var(--dark-teal);
}

#categories > div > div:last-child a:hover {
    color: var(--rust-brown);
}


footer {
    background-color: var(--dark-teal);
    color: white;
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

footer p {
    font-family: 'Arimo', Arial, sans-serif;
    font-size: 1.1rem;
    color: var(--off-white);
}


@media (max-width: 768px) {

    nav {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    

    section:first-of-type {
        padding: 3rem 1rem;
    }
    
    section:first-of-type h1 {
        font-size: 2.2rem;
    }
    
    section:first-of-type p {
        font-size: 1.1rem;
    }
    

    #categories {
        padding: 2rem 1rem;
    }
    
    #categories h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    #categories > div {
        flex-direction: column; 
        gap: 1.5rem;
    }
    
    #categories > div > div {
        width: 100%;
    }
}

@media (max-width: 480px) {
    section:first-of-type h1 {
        font-size: 1.8rem;
    }
    
    section:first-of-type p {
        font-size: 1rem;
    }
    
    nav ul li a {
        font-size: 1rem;
        padding: 0.5rem;
    }
    
    #categories > div > div {
        padding: 1.5rem 1rem;
    }
    
    #categories h3 {
        font-size: 1.5rem;
    }
}