* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
@font-face {
    font-family: kanit;
    src: url(assets/fonts/Kanit-Regular.ttf);
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 2rem;
}
body {
    overflow-x: hidden;
    font-family: kanit;
}
.row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
}
.col {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
:root {
    --bg-color: white;
    --outline-color: rgb(195, 195, 195);
    --text-color: white;
    --color1: rgb(0, 122, 122);
    --color2: rgb(0, 175, 175);
}



a button {
    padding: 8px 12px;
    background-color: var(--color1);
    border-radius: 10px;
    border: none;
    transition: all 0.3s ease;
    color: var(--text-color);
    position: relative;
    z-index: 3;
}
a button:hover { 
    background-color: var(--color2);
    scale: 1.1;
    transition: all 0.3s ease;
}
a {
    text-decoration: none;
    z-index: 1;
}



.nav-contents {
    width: 100%;
    background-color: var(--bg-color);
}
.nav-upper {
    height: 120px;
    width: 100%;
    background-color: var(--bg-color);
}
.home-btn {
    position: absolute;
    top: 42px;
    left: 50px;
    margin-right: auto;
    transition: all 0.3s ease;
}
.home-btn:hover {
    scale: 1.1;
    transition: all 0.3s ease;
}
.nav-upper h1 {
    font-size: 2.5rem;
}
.nav-lower {
    height: 70px;
    width: 100%;
    background-color: var(--bg-color);
    border: 1px solid var(--outline-color);
    justify-content: space-around;
    gap: 1.5rem;
    overflow-x: scroll;
    padding: 0 1rem 0 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--outline-color) var(--bg-color);
}
.nav-lower a {
    color: var(--color1);
    font-size: 1.4rem;
}
.nav-lower a:hover {
    color: var(--color2);
}



header {
    gap: 1rem;
}
.banner {
    background-color: var(--color1);
    background-image: url(assets/images/forest-1838705_1920.jpg);
    background-size: cover;
    background-position: center;
    height: 440px;
    width: 100%;
}
header .textbox {
    padding: 3rem;
    gap: 10px;
    text-align: center;
}
header .textbox h1 {
    font-size: 3rem;
}
header .textbox p {
    font-size: 1.4rem;
}



#species-board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 2rem 15px;
    max-width: 1200px;
    margin: 0 auto;
}
.species-card {
    background-color: var(--bg-color);
    border-radius: 16px;
    border: 1px solid var(--outline-color);
    min-height: 365px;
    min-width: 300px;
    justify-content: space-between;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;

}
.species-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}
.species-card .textbox {
    height: 40%;
    width: 100%;
    padding: 1.4rem;
    gap: 1rem;
    align-items: start;
    justify-content: space-between;
    height: fit-content;
}
.species-card h3 {
    font-size: 1.5rem;
    color: var(--color1);
}
.species-card .description {
    font-size: 0.95rem;
    color: #555;
}
.species-card .picture-window {
    height: 60%;
    width: 100%;
    background-color: var(--color1);
}



/* pictures for each species-card start */

#mammals .picture-window {
    background-image: url(assets/images/mammals/dog.webp);
    background-size: cover;
    background-position: center;
}

#birds .picture-window {
    background-image: url(assets/images/birds/eagle.avif);
    background-size: cover;
    background-position: center;
}

#reptiles .picture-window {
    background-image: url(assets/images/reptiles/Leopard\ Gecko.jpg);
    background-size: cover;
    background-position: center;
}

#amphibians .picture-window {
    background-image: url(assets/images/amphibians/axolot.jpg);
    background-size: cover;
    background-position: center;
}

#fish .picture-window {
    background-image: url(assets/images/fish/pufferfish.jpg);
    background-size: cover;
    background-position: center;
}

/* pictures for each species-card end */



/* styling for pages start */

header .textbox-banner {
    background-color: var(--color1);
    width: 100%;
    padding: 5rem 2rem;
    gap: 10px;
    text-align: center;
}
header .textbox-banner * {
    color: var(--text-color);
}
header .textbox-banner h1 {
    font-size: 2.8rem;
}
header .textbox-banner p {
    font-size: 1.3rem;
}

.featured-animal {
  max-width: 1000px;
  margin: 0 auto 50px;
  text-align: center;
  padding: 20px;
  font-size: 1.5rem;
}
.featured-animal h2 {
    margin: 2.5rem;
}
.featured-card {
  display: flex;
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  max-width: 800px;
  margin: 0 auto;
  z-index: 5;
}
.featured-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.18);
}
.featured-card img {
  width: 45%;
  height: auto;
  object-fit: cover;
}
.featured-card > div {
  padding: 30px;
  flex: 1;
  text-align: left;
}
.featured-card h3 {
  margin: 0 0 15px;
  color: var(--color1);
  font-size: 1.8rem;
}
.featured-card p {
  margin: 0;
  font-size: 1.1rem;
  color: #444;
}

.animal-list {
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 2rem;
}
.animal-list h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.2rem;
  color: #333;
}

.animal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 0 15px;
}
.animal-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  transform: translateY(0);
  text-align: center;
  border: 1px solid var(--outline-color);
  height: fit-content;
  min-height: 400px;
  position: relative;
}
.animal-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}
.animal-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.animal-card h3 {
  margin: 20px 15px 10px;
  font-size: 1.4rem;
  color: var(--color1);
}
.animal-card p {
  padding: 0 20px 25px;
  margin: 0;
  color: #555;
  font-size: 1rem;
}
.animal-card button {
    margin-bottom: 1rem;
}
.card-link {
    position: absolute;
    /* top: 0;
    left: 0;
    height: 100%;
    width: 100%; */
    inset: 0;
    z-index: 1;
}

/* styling for pages end */



footer {
    background-color: var(--color1);
    text-align: left;
    padding: 2.5rem;
    color: var(--text-color);
    justify-content: space-evenly;
    flex-wrap: wrap;
    gap: 2rem;
}
footer > * {
    min-width: 300px;
}
footer a {
    color: var(--bg-color);
}



@media (max-width: 768px) {
    .featured-card {
        flex-direction: column;
    }
    .featured-card img {
        width: 100%;
    }
}
@media screen and (max-width: 750px) {
    .home-btn {
        left: 25px;
    }
    .nav-upper h1 {
        font-size: 2rem;
    }
}
@media screen and (max-width: 500px) {
    .home-btn {
        top: 48px;
    }
    .home-btn img {
        width: 25px;
    }
    .nav-upper h1 {
        font-size: 1.8rem;
    }
}