* {
    box-sizing: border-box;
}

html {
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

body {
    font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif; 
    font-size: 20px;
    margin: 0;
    padding: 0;
}

h1 h2 {
    margin-bottom: 1em;
}

/*--- Wrapper ---*/

#wrapper {
    max-width: 1200px;
    min-height: 100vh;
    margin: auto;
    display: grid;
    background-color: #ffffff;
    grid-template-columns: 1fr;
    grid-template-rows: 125px 30px minmax(300px, auto) minmax(30px, auto);
    grid-template-areas:
        "header"
        "nav"
        "main"
        "footer";
    gap: 1em;
}

/*--- Header ---*/

header {
    grid-area: header;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
}

#logo {
    height: auto;
    width: 565px;
}

/*--- Nav Bar ---*/

nav {
    grid-area: nav;
    background-color: rgb(191, 219, 196);
    height: 100%; 
    display: flex;
    align-items: center;
    font-weight: 600;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    margin: 0;
    padding: 0;
}

nav li {
    display: flex;
    align-items: center;
    position: relative;
}

nav a {
    color: rgb(0, 0, 0);
    text-decoration: none;
    padding: 0 1em;
    font-size: 1.25rem;
    display: block;
    line-height: 1.5; 
}

nav a:hover {
    background-color: #006f3d;
    color: #fbfbfb;
}

/*--- Homepage ---*/

#main-homepage {
    grid-area: main;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1em;
    padding:1em;
}

#homepage-content-left {
    grid-column: 1;
}

#homepage-content-right {
    grid-column: 2;
    padding: 1em;
    background-color: #c5d6c4;
    font-size: smaller;
    text-align: center;
}

#homepage-content-right p {
    text-align: start;
}

/*--- Plants Table Page ---*/

#main-plant-table-page {
    grid-area: main;
    padding: 1em;
    gap: 1em;
}

/*--- The Plant Table ---*/

#plant-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff8c;
    border: 2px solid #000000;
}

#plant-table thead th {
    background-color: #265c21;
    color: white;
    font-weight: bold;
}

#plant-table th,
#plant-table td {
    padding: 1em;
    font-size: 1rem;
    text-align: left;
    vertical-align: middle;
    border: 1px solid #000000;
}

#plant-table tbody tr:nth-child(odd) {
    background-color: #f2f2f2;
}

#plant-table tbody tr:nth-child(even) {
    background-color: #ffffff8c;
}

#plant-table tbody tr:hover {
    background-color: #d1e7dd;
}

#plant-table a {
    text-decoration: none;
    color: inherit;
}

/*--- Plant Info Pages ---*/

#plant-info-page {
    grid-area: main;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1em;
    padding: 1em;
}

#plant-info-page-left {
    grid-column: 1; 
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1em;
}

#plant-info-page-right {
    grid-column: 2;
    background-color: #c5d6c4;
    padding: 1em;
}

#plant-info-page-right p {
    font-weight: 300;
    font-size: 0.875rem;
    margin-bottom: 1em;
}

#plant-info-page-right ul {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

#plant-info-page-right li {
    margin-bottom: 0.5em;
}

#plant-info-page-right li strong {
    font-weight: 600;
}

#plant-image-main {
    width: 85%;
    align-items: center;
}

/*--- Gallery Page ---*/

#main-gallery {
    grid-area: main;
    display:grid;
    grid-template-rows: auto 1fr;
    padding: 1em;
}

#gallery-page-top {
    text-align: start;
}

#gallery-page-bottom {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 10px;
}

.gallery-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.image-credit {
    font-size: 0.8rem;
    color: #888;
    margin-top: 4px;
    text-align: center;
}

.image-credit a {
    color: inherit;
    text-decoration: none; 
}

.gallery-item figcaption {
    margin-top: 1px;
    font-size: 0.95rem;
    color: #444;
    text-align: center;
}

/*--- About Page ---*/

#main-about {
    grid-area: main;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1em;  
    margin: 1em; 
    padding: 0;
}

#about-page-left {
    grid-column: 1;

}

#about-page-right {
    grid-column: 2;
    background-color: #c5d6c4;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* --- Contact Form --- */

#about-page-right form {
    width: 100%; 
    max-width: 600px;
    padding: 1em;
    box-sizing: border-box;
}

.error {
    color: red;
    font-size: 0.9em;
    width: 100%;
    margin-left: 10px;
    vertical-align: middle;
}

input,
textarea {
    width: 100%;
    max-width: 500px;
    padding: 1em;
    box-sizing: border-box;
    margin-bottom: 1.25em;
}

button {
    background-color: #376e38;
    color: white;
    font-size: 1rem; 
    padding: 0.75em 1.5em; 
    border: none;
    border-radius: 2px;
    cursor: pointer;
}

button:hover {
    background-color: #124f15;
}

/*--- Footer Layout ---*/

footer {
    grid-area: footer;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: rgb(191, 219, 196);
    gap: 0.2em;
    justify-items: center;
}

#footer-content-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

#logo-footer {
    width: auto;
    display: block;
}

#footer-content-left p {
    font-size: 0.7em;
    color: #555; 
}

#footer-content-right {
    text-align: center;
}

#footer-content-right h3 {
    font-size: 1.4em;
}

#footer-content-right ul.site-map {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 1.2em;
}

#footer-content-right ul.site-map li {
    margin: 0;
}

#footer-content-right ul.site-map li a {
    font-size: 1.2em;
    font-weight: bold;
    text-decoration: none;
    color: #333;
    transition: color 0.3s ease;
}

#footer-content-right ul.site-map li a:hover,
#footer-content-right ul.site-map li a:focus {
    color: #0a7a07;
    text-decoration: underline;
}

/* --- Media Queries for Phone (576px) --- */

@media (max-width: 576px) {

    #logo {
        transform: scale(0.8);
    }

    /* --- Nav Bar Responsiveness (Phone) --- */    

    nav a {
        font-size: 1rem;
        padding: 0.5em 0.75em;
    }

    nav {
        padding: 0.5em 1em;
    }

    /* --- Homepage Responsiveness (Phone)  --- */

    #main-homepage {
        grid-template-columns: 1fr;
        gap: 0.5em;
        padding: 0.5em;
    }

    #homepage-content-left {
        grid-column: auto;
        padding: 0.5em;
    }

    #homepage-content-right {
        grid-column: auto;
        padding: 1.5em;
        max-width: 350px; 
        margin-left: auto;
        margin-right: auto;
    }

    #homepage-content-right p {
        text-align: left;
        font-size: 0.9rem;
    }

    /* --- Plant Table Page Responsiveness (Phone)  --- */

    #main-plant-table-page {
        padding: 0.5em;
        overflow-x: auto; 
    }

    #plant-table {
        font-size: 0.4rem;
    }

    #plant-table th,
    #plant-table td {
        padding: 0.4em;
        white-space: nowrap;
    }
    
    /* --- Plant Information Pages Responsiveness (Phone) --- */

    #plant-info-page {
        grid-template-columns: 1fr;
        gap: 0.5em;
        padding: 0.5em;
    }

    #plant-info-page-left,
    #plant-info-page-right {
        grid-column: auto;
        padding: 0.5em;
    }

    #plant-image-main {
        width: 100%; 
    }

    #plant-info-page-right p {
        font-size: 0.9rem;
    }

    /* --- Gallery Page Responsiveness (Phone) --- */

    #main-gallery {
        padding: 0.5em;
    }

    #gallery-page-bottom {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 5px;
    }

    .gallery-image {
        border-radius: 4px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    }

    .image-credit {
        font-size: 0.75rem;
        margin-top: 2px;
    }

    .gallery-item figcaption {
        font-size: 0.85rem;
    }

    /* --- About Page Responsiveness (Phone) --- */

    #main-about {
        grid-template-columns: 1fr; 
        margin: 0.5em;
        gap: 0.5em;
    }

    #about-page-left,
    #about-page-right {
        grid-column: auto;
    }

    #about-page-right {
        padding: 1em; 
    }

    #about-page-right form {
        max-width: 100%; 
        padding: 0.5em;
    }

    input,
    textarea {
        max-width: 100%;
        padding: 0.75em;
    }

    button {
        width: 100%; 
        font-size: 1.1rem;
    }

    /* --- Footer Responsiveness (Phone) --- */

    footer {
        grid-template-columns: 1fr;
    }

    #footer-content-right {
        order: -1;
    }

    #footer-content-left {
        order: 1;
    }

    #footer-content-left,
    #footer-content-right {
        margin-bottom: 1em;
    }
}

/*--- Media Queries for Tablet (768px) --*/

@media (max-width: 768px) {

    #logo {
        transform: scale(0.9);
    }

    /* --- Nav Bar Responsiveness (Tablet) --- */

    nav a {
        font-size: 1.2rem;
        padding: 0.75em 1em;
    }

    nav {
        padding: 1em;
    }

    /* --- Homepage Responsiveness (Tablet) --- */
    #main-homepage {
        grid-template-columns: 1fr;
        gap: 1em;
        padding: 1em;
    }

    #homepage-content-left {
        grid-column: auto;
        padding: 1em;
    }

    #homepage-content-right {
        grid-column: auto;
        padding: 1.5em;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    #homepage-content-right p {
        text-align: left;
        font-size: 1rem;
    }

    /* --- Plant Table Page Responsiveness (Tablet) --- */
    #main-plant-table-page {
        padding: 1em;
        overflow-x: auto; 
    }

    #plant-table {
        font-size: 0.5rem;
    }

    #plant-table th,
    #plant-table td {
        padding: 0.5em;
        white-space: nowrap;
    }

    /* --- Plant Information Pages Responsiveness (Tablet) --- */
    #plant-info-page {
        grid-template-columns: 1fr;
        gap: 1em;
        padding: 1em;
    }

    #plant-info-page-left,
    #plant-info-page-right {
        grid-column: auto;
        padding: 1em;
    }

    #plant-image-main {
        width: 100%; 
    }

    #plant-info-page-right p {
        font-size: 1rem;
    }

    /* --- Gallery Page Responsiveness (Tablet) --- */
    #main-gallery {
        padding: 1em;
    }

    #gallery-page-bottom {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 5px;
    }

    .gallery-image {
        border-radius: 4px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    }

    .image-credit {
        font-size: 0.8rem;
        margin-top: 2px;
    }

    .gallery-item figcaption {
        font-size: 1rem;
    }

    /* --- About Page Responsiveness (Tablet) --- */
    #main-about {
        grid-template-columns: 1fr; 
        margin: 1em;
        gap: 1em;
    }

    #about-page-left,
    #about-page-right {
        grid-column: auto;
    }

    #about-page-right {
        padding: 1em; 
    }

    #about-page-right form {
        max-width: 100%; 
        padding: 1em;
    }

    input,
    textarea {
        max-width: 100%;
        padding: 1em;
    }

    button {
        width: 100%; 
        font-size: 1.1rem;
    }

    /* --- Footer Responsiveness (Tablet) --- */
    footer {
        grid-template-columns: 1fr;
    }

    #footer-content-right {
        order: -1;
    }

    #footer-content-left {
        order: 1;
    }

    #footer-content-left,
    #footer-content-right {
        margin-bottom: 1em;
    }
}