body {
    margin: 0;
    background-color: black;
    font-family: "Open Sans", sans-serif;
    overflow: hidden;
}

main,
section,
div,
img,
button {
    position: absolute;
}

#wrapper,
#screen1,
#screen2,
#screen3,
#screen4,
#screen5 {
    position: absolute;
}

#wrapper {
    width: 1920px;
    height: 1080px;
    background-color: rgb(255, 255, 255);
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    overflow: hidden;
}

#screen1,
#screen2,
#screen3,
#screen4,
#screen5 {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 20;
    display: none;
}

#screen1 {
    display: block;
}

.active-screen {
    display: block;
}

/* ---------------- SCREEN 1 : TORONTO ZOO ---------------- */

#screen1 {
    position: relative;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
    display: block;
}

#zoo-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    object-fit: cover;
    z-index: 1;
}

#screen1::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    background: rgba(0, 0, 0, 0.32);
    z-index: 2;
    pointer-events: none;
}

#zoo-logo {
    position: absolute;
    left: 80px;
    top: 60px;
    width: 220px;
    height: auto;
    z-index: 5;
}

#zoo-icon {
    position: absolute;
    left: 50%;
    top: 210px;
    transform: translateX(-50%);
    width: 296px;
    height: auto;
    z-index: 5;
}

#zoo-title-wrap {
    position: absolute;
    left: 50%;
    top: 600px;
    transform: translateX(-50%);
    width: 1200px;
    text-align: center;
    z-index: 5;
}

#zoo-title {
    margin: 0;
    font-family: "Afacad", sans-serif;
    font-size: 110px;
    font-weight: 700;
    letter-spacing: 6px;
    line-height: 1;
    color: #ffffff;
    text-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

#zoo-subtitle {
    margin: 234px 0 0 0;
    font-family: "Open Sans", sans-serif;
    font-size: 28px;
    font-weight: 600;
    line-height: 1.3;
    color: #ffffff;
    letter-spacing: 1.5px;
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

#start-btn {
    position: absolute;
    width: 460px;
    height: 80px;
    left: 50%;
    top: 900px;
    transform: translateX(-50%);
    border: 2px solid #ffffff;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-family: "Open Sans", sans-serif;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    z-index: 20;
    backdrop-filter: blur(5px);
    cursor: pointer;
}

#start-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ---------------- SCREEN 2 ---------------- */

#screen2 {
    position: relative;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
}

#screen2-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    object-fit: cover;
    z-index: 1;
}

#screen2::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    background: rgba(0, 0, 0, 0.18);
    z-index: 2;
    pointer-events: none;
}

#screen2-logo {
    position: absolute;
    left: 80px;
    top: 60px;
    width: 220px;
    height: auto;
    z-index: 6;
}

#screen2-info-box {
    position: absolute;
    left: 360px;
    top: 340px;
    width: 890px;
    min-height: 260px;
    padding: 38px 42px;
    background: rgba(254, 254, 254, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 28px;
    backdrop-filter: blur(8px);
    z-index: 6;
}

#screen2-para {
     width: 589px;
    margin: 0;
    font-family: "Open Sans", sans-serif;
    font-size: 23px;
    line-height: 1.7;
    font-weight: 500;
    color: #1b1b1b;
}

#screen2-buttons {
    position: absolute;
   left: 1055px;
    top: 412px;
    width: 360px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    z-index: 6;
}
#screen2 h1 {
    font-size: 130px;
    position: absolute;
   left:580px;
    top: 130px;
   font-weight: 600;
    display: flex;
    flex-direction: column;
    gap: 22px;
    z-index: 6;
}
.header {
    position: absolute;
    left: 484px;
    top: 189px;
    background-color: #5d2c09;
    color: #ffffff;
    font-size: 78px;
    font-weight: 700;
    text-align: center;
        z-index: 5; /* ADD THIS */
    
    padding: 30px 20px;
    border-radius: 20px;

    width: fit-content;
    margin: 20px auto; /* center horizontally */
    
    font-family: Arial, Helvetica, sans-serif;
    letter-spacing: 2px;
}

.screen2-btn {
   padding: 20px;
    width: 386px;
    height: auto;
    /* height: 82px; */
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 190px;
    background: rgba(0, 146, 63, 0.9);
    color: #ffffff;
    font-family: "Afacad", sans-serif;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: 0.3s ease;
}

.screen2-btn:hover {
    background: rgba(255, 255, 255, 0.28);
    color: #1b1b1b;

}

#btn-animals {
    position: relative;
}

#btn-zones {
    position: relative;
}

#btn-visit {
    position: relative;
}

#animal-img-1 {
    position: absolute;
   left: 370px;
    bottom: 890px;
    width: 178px;
    height: auto;
    z-index: 5;
}

#animal-img-2 {
    position: absolute;
    left: 78px;
    bottom: 0px;
    width: 320px;
    height: auto;
    z-index: 99999;
}

#animal-img-3 {
    position: absolute;
    right: 0px;
    bottom: 235px;
    /* width: 320px;
    height: auto; */
    z-index: 5;
}

/* ---------------- BACK BUTTON ---------------- */

#back-btn {
    position: absolute;
    left: 40px;
    top: 50%;
    width: 70px;
    height: 70px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 146, 63, 0.8);
    color: #ffffff;
    font-size: 42px;
    line-height: 1;
    z-index: 30;
    cursor: pointer;
    backdrop-filter: blur(5px);
    display: none;
}

#back-btn:hover {
    background: rgba(255, 255, 255, 0.35);
}




/* ---------------- SCREEN 3---------------- */

#screen3 {
    position: relative;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
}

/* background */
#screen3-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    object-fit: cover;
    z-index: 1;
}

/* overlay */
#screen3::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    background: rgba(0, 0, 0, 0.18);
    z-index: 2;
    pointer-events: none;
}

/* logo top left */
#screen3-logo {
    position: absolute;
    left: 80px;
    top: 60px;
    width: 220px;
    height: auto;
    z-index: 6;
}

/* heading under logo */
#screen3-side-heading {
    position: absolute;
    left: 85px;
    top: 150px;
    margin: 0;
    font-family: "Afacad", sans-serif;
    font-size: 54px;
    font-weight: 700;
    color: #ffffff;
    z-index: 6;
}

/* top heading box */
#screen3-top-box {
    position: absolute;
   left: 470px;
    top: 310px;
    width: 450px;
    height: 70px;
    border-radius: 20px;
     background: rgba(0, 146, 63, 0.9);
   color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    z-index: 6;
}


#screen3-top-box2 {
    position: absolute;
     left: 1020px;
    top: 510px;
    width: 450px;
    height: 70px;
    border-radius: 20px;
     background: rgba(0, 146, 63, 0.9);
   color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    z-index: 6;
}


/* top heading text */
#screen3-top-title {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    margin: 0;
    text-align: center;
    font-family: "Afacad", sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
}

#screen3-top-title2 {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    margin: 0;
    text-align: center;
    font-family: "Afacad", sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
}

/* top image 1 */
#screen3-top-img-1 {
    position: absolute;
    left:300px;
    
    bottom:0px;
    width: 260px;
    height: auto;
    z-index: 99999;
}

/* top image 2 */
#screen3-top-img-2 {
    position: absolute;
       left: 1460px;
    bottom: 0px;
    width: 400px;
    height: auto;
    z-index: 999999;
}

/* text box 1 */
#screen3-text-box-1 {
    position: absolute;
    left: 470px;
    top: 390px;
    width: 520px;
    min-height: 240px;
    padding: 34px 36px;
    border-radius: 28px;
     background: rgba(254, 254, 254, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    z-index: 9;
}

/* text 1 */
#screen3-text-1 {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    font-size: 26px;
    line-height: 1.7;
    font-weight: 500;
   color: #1b1b1b;
}

/* text box 2 */
#screen3-text-box-2 {
    position: absolute;
    left: 1020px;
    top: 590px;
    width: 520px;
    min-height: 230px;
    padding: 34px 36px;
    border-radius: 28px;
    background: rgba(254, 254, 254, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    z-index: 6;
}

/* text 2 */
#screen3-text-2 {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    font-size: 26px;
    line-height: 1.7;
    font-weight: 500;
   color: #1b1b1b;
}







/* ---------------- SCREEN 4 : ZOO ZONES ---------------- */

#screen4 {
    position: relative;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
}

#screen4-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    object-fit: cover;
    z-index: 1;
}

#screen4::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    background: rgba(0, 0, 0, 0.12);
    z-index: 2;
    pointer-events: none;
}

#screen4-logo {
    position: absolute;
    left: 80px;
    top: 60px;
    width: 220px;
    height: auto;
    z-index: 6;
}

#screen4-side-heading {
    position: absolute;
    left: 85px;
    top: 210px;
    margin: 0;
    font-family: "Afacad", sans-serif;
    font-size: 60px;
    font-weight: 700;
    color: #ffffff;
    z-index: 6;
}



#screen4-top-buttons {
    position: absolute;
    left: 85px;
    top: 310px;
    width: 400px;
    height: 200px;
    z-index: 6;
}


#zones-info-btn {
    position: absolute;
    left: 0;
    top: 0;
    width: 320px;
    height: 76px;
}

#zones-map-btn {
    position: absolute;
    left: 0;
    top: 100px;
    width: 320px;
    height: 76px;
}

.screen4-mode-btn {
    width: 320px;
    height: 76px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    font-family: "Afacad", sans-serif;
    font-size: 30px;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(6px);
    transition: 0.3s ease;
}

.screen4-mode-btn:hover,
.active-mode {
    background: rgba(0, 146, 63, 0.9);
}

/* info view */
#screen4-info-view {
    position: absolute;
    left: 420px;
    top: 180px;
    width: 1410px;
    height: 780px;
    z-index: 6;
}

/* left menu box */
#screen4-menu-box {
    position: absolute;
    left: 0;
    top: 0;
    width: 360px;
    height: 780px;
    padding: 28px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    z-index: 6;
}

#screen4-menu-heading {
    margin: 0 0 26px 0;
    font-family: "Afacad", sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
}

.zone-btn {
    display: block;
    position: relative;
    width: 100%;
    height: 74px;
    margin-bottom: 18px;
    border: 2px solid rgba(255, 255, 255, 0.65);
    border-radius: 40px;
    background: rgba(255, 255, 255, 0.12);
    color: #151515;
    font-family: "Open Sans", sans-serif;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s ease;
}

.zone-btn:hover,
.active-zone-btn {
    background: rgba(0, 146, 63, 0.9);
    color: #ffffff;
}

/* right content box */
#screen4-content-box {
    position: absolute;
    left: 400px;
    top: 0;
    width: 1010px;
    height: 780px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
    z-index: 6;
}

#zone-content-img {
    position: absolute;
    left: 40px;
    top: 70px;
    width: 370px;
    height: auto;
    border-radius: 24px;
    object-fit: cover;
}

#screen4-content-text-wrap {
    position: absolute;
    left: 460px;
    top: 90px;
    width: 500px;
}

#zone-content-heading {
    margin: 0 0 22px 0;
    font-family: "Afacad", sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: #242424;
}

#zone-content-para {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    font-size: 27px;
    line-height: 1.7;
    font-weight: 500;
    color: #242424;
}

/* map view */
#screen4-map-view {
    position: absolute;
    left: 420px;
    top: 180px;
    width: 1410px;
    height: 780px;
    z-index: 6;
    display: none;
}

#screen4-map-icons-wrap {
    position: absolute;
    left: 0;
    top: 0;
    width: 1410px;
    height: 780px;
}

/* map points */
.map-point {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
}

.map-icon {
    width: 74px;
    height: auto;
    top: -90px;
    left: 38px;
}

.map-label {
    padding: 10px 16px;
    border-radius: 30px;
    background: rgba(0, 0, 0, 0.5);
    color: #ffffff;
    font-family: "Open Sans", sans-serif;
    font-size: 20px;
    font-weight: 700;
    white-space: nowrap;
}

/* individual map positions */
#map-point-1 {
    left: 140px;
    top: 160px;
}

#map-point-2 {
    left: 520px;
    top: 120px;
}

#map-point-3 {
    left: 780px;
    top: 260px;
}

#map-point-4 {
    left: 1080px;
    top: 180px;
}

#map-point-5 {
    left: 420px;
    top: 470px;
}

#map-point-6 {
    left: 890px;
    top: 560px;
}


/* ---------------- MAP POPUP ---------------- */

#map-popup-overlay {
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
    display: none;
}

#map-popup {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 980px;
    min-height: 520px;
    padding: 40px 40px 36px 40px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    backdrop-filter: blur(10px);
    z-index: 60;
    display: none;
}

#map-popup-close {
    position: absolute;
    right: 24px;
    top: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    font-size: 30px;
    cursor: pointer;
}

#map-popup-main-heading {
    position: relative;
    margin: 0 0 30px 0;
    font-family: "Afacad", sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: #ffffff;
    text-align: center;
}

#map-popup-content {
    position: relative;
    width: 100%;
    min-height: 360px;
}

#map-popup-img {
    position: absolute;
    left: 20px;
    top: 10px;
    width: 320px;
    height: 320px;
    object-fit: cover;
    border-radius: 24px;
}

#map-popup-text-wrap {
    position: absolute;
    left: 390px;
    top: 20px;
    width: 500px;
}

#map-popup-title {
    margin: 0 0 18px 0;
    font-family: "Afacad", sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
}

#map-popup-text {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    font-size: 24px;
    line-height: 1.7;
    color: #ffffff;
}


.map-point {
    cursor: pointer;
    z-index: 7;
}






/* ---------------- SCREEN 5 : PLAN VISIT ---------------- */

/* ---------------- SCREEN 5 : WILDLIFE CONSERVATION ---------------- */

#screen5 {
    position: relative;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
}

#screen5-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    object-fit: cover;
    z-index: 1;
}

#screen5::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 1920px;
    height: 1080px;
    background: rgba(0, 0, 0, 0.18);
    z-index: 2;
    pointer-events: none;
}

#screen5-logo {
    position: absolute;
    left: 80px;
    top: 60px;
    width: 220px;
    height: auto;
    z-index: 6;
}

#screen5-heading {
    position: absolute;
    left: 85px;
    top: 150px;
    margin: 0;
    font-family: "Afacad", sans-serif;
    font-size: 54px;
    font-weight: 700;
    color: #ffffff;
    z-index: 6;
}

#screen5-content-wrap {
    position: absolute;
    left: 320px;
    top: 260px;
    width: 1280px;
    height: 620px;
    z-index: 6;
}

#screen5-text-panel {
    position: absolute;
    left: 0;
    top: 90px;
    width: 560px;
    min-height: 300px;
    padding: 34px 38px;
    border-radius: 30px;
    background: rgba(254, 254, 254, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
}

#screen5-subheading {
    margin: 0 0 18px 0;
    font-family: "Afacad", sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: #1b1b1b;
}

#screen5-text {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    font-size: 25px;
    line-height: 1.7;
    color: #1b1b1b;
}

#screen5-image-panel {
    position: absolute;
    right: 0;
    top: 0;
    width: 600px;
    height: 620px;
}

#screen5-img {
    position: absolute;
    left: 0;
    top: 0;
    width: 600px;
    height: 470px;
    object-fit: cover;
    border-radius: 28px;
    z-index: 6;
}

#screen5-nav-wrap {
    position: absolute;
    left: 50%;
    bottom: 40px;
    transform: translateX(-50%);
    width: 170px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 8;
}

.screen5-nav-btn {
    position: relative;
    width: 70px;
    height: 70px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 146, 63, 0.9);
    color: #ffffff;
    font-size: 34px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s ease;
}

.screen5-nav-btn:hover {
    background: rgba(255, 255, 255, 0.32);
    color: #1b1b1b;
    transform: scale(1.08);
}