* {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}
.navbar {
    height: 60px;
    background-color: #0f1111;
    color: white;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}

.nav-logo {
    height: 50px;
    width: 113px;
}

.logo {
    background-image: url("amazon_logo.png");
    background-size: cover;
    height: 50px;
    width: 100%;
}
.logo:hover{
    transform: scale(1.15);
    transition: 0.3s;
}

.border {
    border: 1.5px solid transparent;
}

.border:hover {
    border: 1.5px solid white;
}

.add-first {
    color: #cccccc;
    font-size: 0.75 rem;
    margin-left: 22px;
}

.add-second {
    font-size: 1rem;
    margin-left: 3px;
}

.add-icon {
    display: flex;
    align-items: center;
}

.nav-search {
    display: flex;
    justify-content: space-evenly;
    width: 620px;
    height: 40px;
    border-radius: 4px;
    background-color: pink;
}

.search-select {
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
    text-align: center;
    border: none;
    width: 50px;
    font-size: 1rem;
    background-color: #f3f3f3;
}

.search-input {
    width: 100%;
    font-size: 1rem;
    border: none;
    outline: none;
}

.search-icon {
    width: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    background-color: #feb66a;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    color: #0f1111;
}

.nav-search:hover {
    border: 4px solid #feb66a;
    border-radius: 4px;
}

.nav-signin>p>span,
.nav-return>p>span {
    font-size: 0.7rem;
}

.nav-second {
    font-size: 0.85rem;
    font-weight: 700;
}

.nav-cart {
    display: flex;
    align-items: flex-end;
}

.nav-cart i {
    font-size: 30px;
}

.nav-cart {
    font-size: 0.85rem;
    font-weight: 700;
}

.panel {
    height: 39px;
    background-color: #222f3d;
    display: flex;
    color: white;
    align-items: center;
    justify-content: space-evenly;
}

.panel-all {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}

.panel-all i {
    font-size: 1.5rem;
}
.panel-all:hover{
    cursor: pointer;
    transform: scale(1.05);
    transition: 0.3s;
    background-color: #feb66a;
    color: #0f1111;
    border-radius: 4px;
    padding: 5px;
}

.panel-ops {
    width: 70%;
    font-size: 0.85rem;
    display: flex;
}

.panel-ops a {
    display: inline;
    margin-left: 15px;
    color: white;
    text-decoration: none;
}

.panel-ops a:hover {
    color: #feb66a;
    transform: scale(1.05);
    transition: 0.3s;
}

.panel-deals {
    margin-left: 15px;
    font-size: 0.9rem;
    font-weight: 700;
}
.panel-deals:hover{
    cursor: pointer;
    transform: scale(1.05);
    transition: 0.3s;
}

.hero-section {
    background-image: url("hero_image.jpg");
    height: 350px;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.hero-message {
    background-color: white;
    color: black;
    height: 40px;
    width: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.hero-message a {
    text-decoration: none;
    font-size: 0.85rem;
    color: #007185;
}

.hero-message a:hover {
    text-decoration: none;
    color: #c7511f;
}
.shop-section{
    background-color: #e2e7e6;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
}

.box {
    height: 350px;
    width: 23%;
    background-color: #e2e7e6;
    border-radius: 8px;
    box-shadow: rgba(0, 0, 0, 0.25) 0px 0.0625em 0.0625em, rgba(0, 0, 0, 0.25) 0px 0.125em 0.5em, rgba(255, 255, 255, 0.1) 0px 0px 0px 1px inset;
    border: 2px solid #007185;
    padding: 20px 0px 15px;
    margin-top: 15px;
    margin-bottom: 15px;
}
.box-image{
    height: 250px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 1rem;
    margin-bottom: 1rem;
}
.box-content{
    margin-left: 1rem;
    margin-right: 1rem;
}
.box-content p{
    color: #007185;
}
.box-content h2{
    font-size: 1.2rem;
    font-weight: 700;
}
.box-content p:hover{
    cursor: pointer;
    text-decoration: none;
    color: #c7511f;
}
.box:hover .box-image{
    transform: scale(1.05);
    transition: 0.3s;
}
.foot-panel1{
    background-color: #37475a;
    color: white;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.foot-panel1:hover{
    background-color: #485769;
}

.foot-panel1 a{
    text-decoration: none;
    color: #e2e7e6;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.foot-panel2{
    background-color: #222f3d;
    color: white;
    height: 350px;
    display: flex;
    justify-content: space-evenly;
    padding: 40px 0;
}

.foot-panel2 ul{
    margin-top: 20px;
    list-style: none;
    padding: 0;
}

.foot-panel2 ul p{
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #ffffff;
}

.foot-panel2 ul a{
    display: block;
    font-size: 0.85rem;
    color: #dddddd;
    text-decoration: none;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.foot-panel2 ul a:hover{
    color: #ffffff;
    text-decoration: underline;
}

.foot-panel3{
    background-color: #222f3d;
    color: white;
    border-top: 1px solid #3a4553;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.foot-panel3 .logo{
    background-image: url("amazon_logo.png");
    background-size: cover;
    height: 50px;
    width: 113px;
    margin-right: 20px;
}

.foot-panel3 .developer-info{
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    color: #dddddd;
}

.foot-panel3 .developer-info p{
    margin: 2px 0;
    font-size: 0.8rem;
}

.foot-panel3 .developer-info a{
    color: #feb66a;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.foot-panel3 .developer-info a:hover{
    color: #f3a847;
    text-decoration: underline;
}

.foot-panel4{
    background-color: #0f1111;
    color: white;
    height: 80px;
    font-size: 0.7rem;
    text-align: center;
    padding: 20px;
}

.foot-panel4 .pages{
    margin-bottom: 10px;
}

.foot-panel4 .pages a{
    color: #dddddd;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.foot-panel4 .pages a:hover{
    color: #ffffff;
    text-decoration: underline;
}

.foot-panel4 .copyright{
    color: #dddddd;
    margin-top: 10px;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large Desktop (1400px and above) */
@media screen and (min-width: 1400px) {
    .nav-search {
        width: 700px;
    }
    
    .shop-section {
        padding: 0 50px;
    }
    
    .box {
        width: 22%;
    }
}

/* Desktop (1200px - 1399px) */
@media screen and (max-width: 1399px) and (min-width: 1200px) {
    .nav-search {
        width: 580px;
    }
    
    .box {
        width: 23%;
    }
}

/* Tablet Landscape (992px - 1199px) */
@media screen and (max-width: 1199px) and (min-width: 992px) {
    .navbar {
        padding: 0 20px;
    }
    
    .nav-search {
        width: 500px;
    }
    
    .nav-address {
        display: none;
    }
    
    .panel-ops {
        width: 60%;
    }
    
    .shop-section {
        padding: 0 20px;
    }
    
    .box {
        width: 48%;
        margin: 10px 5px;
    }
    
    .foot-panel2 {
        height: auto;
        padding: 30px 20px;
    }
    
    .foot-panel2 ul {
        margin: 10px;
    }
}

/* Tablet Portrait (768px - 991px) */
@media screen and (max-width: 991px) and (min-width: 768px) {
    .navbar {
        padding: 0 15px;
        flex-wrap: wrap;
        height: auto;
        min-height: 60px;
    }
    
    .nav-logo {
        order: 1;
        flex: 0 0 auto;
    }
    
    .nav-search {
        order: 3;
        width: 100%;
        margin: 10px 0;
        flex: 0 0 100%;
    }
    
    .nav-signin, .nav-return, .nav-cart {
        order: 2;
        flex: 1;
        text-align: center;
    }
    
    .nav-address {
        display: none;
    }
    
    .panel {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 15px;
    }
    
    .panel-all {
        order: 1;
        flex: 0 0 auto;
    }
    
    .panel-ops {
        order: 3;
        width: 100%;
        flex-wrap: wrap;
        margin-top: 10px;
    }
    
    .panel-ops a {
        margin: 5px 10px;
    }
    
    .panel-deals {
        order: 2;
        flex: 1;
        text-align: center;
    }
    
    .hero-section {
        height: 250px;
    }
    
    .hero-message {
        width: 90%;
        height: auto;
        padding: 15px;
    }
    
    .shop-section {
        padding: 0 15px;
    }
    
    .box {
        width: 48%;
        margin: 10px 5px;
    }
    
    .foot-panel2 {
        height: auto;
        flex-wrap: wrap;
        padding: 20px 15px;
    }
    
    .foot-panel2 ul {
        width: 48%;
        margin: 10px 5px;
    }
    
    .foot-panel3 {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }
    
    .foot-panel3 .logo {
        margin-right: 0;
        margin-bottom: 15px;
    }
}

/* Mobile Large (576px - 767px) */
@media screen and (max-width: 767px) and (min-width: 576px) {
    .navbar {
        padding: 0 10px;
        flex-direction: column;
        height: auto;
        min-height: 80px;
    }
    
    .nav-logo {
        order: 1;
        margin-bottom: 10px;
    }
    
    .nav-search {
        order: 2;
        width: 100%;
        margin-bottom: 10px;
    }
    
    .nav-signin, .nav-return, .nav-cart {
        order: 3;
        flex: 1;
        text-align: center;
        margin: 5px;
    }
    
    .nav-address {
        display: none;
    }
    
    .panel {
        flex-direction: column;
        height: auto;
        padding: 10px;
    }
    
    .panel-all {
        margin-bottom: 10px;
    }
    
    .panel-ops {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .panel-ops a {
        margin: 5px 8px;
        font-size: 0.8rem;
    }
    
    .panel-deals {
        margin-top: 10px;
        text-align: center;
    }
    
    .hero-section {
        height: 200px;
    }
    
    .hero-message {
        width: 95%;
        height: auto;
        padding: 10px;
        font-size: 0.75rem;
    }
    
    .shop-section {
        padding: 0 10px;
    }
    
    .box {
        width: 100%;
        margin: 10px 0;
    }
    
    .foot-panel2 {
        height: auto;
        flex-direction: column;
        padding: 20px 10px;
    }
    
    .foot-panel2 ul {
        width: 100%;
        margin: 15px 0;
        text-align: center;
    }
    
    .foot-panel3 {
        flex-direction: column;
        height: auto;
        padding: 20px 10px;
    }
    
    .foot-panel3 .logo {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .foot-panel4 {
        height: auto;
        padding: 15px 10px;
    }
    
    .foot-panel4 .pages a {
        display: block;
        margin: 5px 0;
    }
}

/* Mobile Small (up to 575px) */
@media screen and (max-width: 575px) {
    .navbar {
        padding: 0 5px;
        flex-direction: column;
        height: auto;
        min-height: 100px;
    }
    
    .nav-logo {
        order: 1;
        margin-bottom: 10px;
    }
    
    .nav-search {
        order: 2;
        width: 100%;
        margin-bottom: 10px;
        height: 35px;
    }
    
    .search-select {
        width: 40px;
        font-size: 0.8rem;
    }
    
    .search-input {
        font-size: 0.9rem;
    }
    
    .search-icon {
        width: 40px;
        font-size: 1rem;
    }
    
    .nav-signin, .nav-return, .nav-cart {
        order: 3;
        flex: 1;
        text-align: center;
        margin: 3px;
        font-size: 0.8rem;
    }
    
    .nav-cart i {
        font-size: 25px;
    }
    
    .nav-address {
        display: none;
    }
    
    .panel {
        flex-direction: column;
        height: auto;
        padding: 8px 5px;
    }
    
    .panel-all {
        margin-bottom: 8px;
        font-size: 0.8rem;
    }
    
    .panel-all i {
        font-size: 1.2rem;
    }
    
    .panel-ops {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .panel-ops a {
        margin: 3px 5px;
        font-size: 0.75rem;
    }
    
    .panel-deals {
        margin-top: 8px;
        text-align: center;
        font-size: 0.8rem;
    }
    
    .hero-section {
        height: 150px;
    }
    
    .hero-message {
        width: 98%;
        height: auto;
        padding: 8px;
        font-size: 0.7rem;
        margin-bottom: 15px;
    }
    
    .hero-message a {
        font-size: 0.7rem;
    }
    
    .shop-section {
        padding: 0 5px;
    }
    
    .box {
        width: 100%;
        margin: 8px 0;
        height: 300px;
    }
    
    .box-image {
        height: 200px;
    }
    
    .box-content h2 {
        font-size: 1rem;
    }
    
    .box-content p {
        font-size: 0.8rem;
    }
    
    .foot-panel1 {
        height: 40px;
        font-size: 0.8rem;
    }
    
    .foot-panel1 a {
        font-size: 0.8rem;
    }
    
    .foot-panel2 {
        height: auto;
        flex-direction: column;
        padding: 15px 5px;
    }
    
    .foot-panel2 ul {
        width: 100%;
        margin: 10px 0;
        text-align: center;
    }
    
    .foot-panel2 ul p {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .foot-panel2 ul a {
        font-size: 0.75rem;
        margin-bottom: 5px;
    }
    
    .foot-panel3 {
        flex-direction: column;
        height: auto;
        padding: 15px 5px;
    }
    
    .foot-panel3 .logo {
        margin-right: 0;
        margin-bottom: 10px;
        height: 40px;
        width: 100px;
    }
    
    .foot-panel3 .developer-info p {
        font-size: 0.7rem;
        text-align: center;
    }
    
    .foot-panel4 {
        height: auto;
        padding: 10px 5px;
        font-size: 0.6rem;
    }
    
    .foot-panel4 .pages a {
        display: block;
        margin: 3px 0;
        font-size: 0.6rem;
    }
    
    .foot-panel4 .copyright {
        font-size: 0.6rem;
    }
}

/* Extra Small Mobile (up to 375px) */
@media screen and (max-width: 375px) {
    .nav-search {
        height: 30px;
    }
    
    .search-select {
        width: 35px;
        font-size: 0.7rem;
    }
    
    .search-input {
        font-size: 0.8rem;
    }
    
    .search-icon {
        width: 35px;
        font-size: 0.9rem;
    }
    
    .nav-signin, .nav-return, .nav-cart {
        font-size: 0.7rem;
    }
    
    .nav-cart i {
        font-size: 20px;
    }
    
    .panel-ops a {
        font-size: 0.7rem;
        margin: 2px 3px;
    }
    
    .hero-message {
        font-size: 0.65rem;
    }
    
    .hero-message a {
        font-size: 0.65rem;
    }
    
    .box {
        height: 280px;
    }
    
    .box-image {
        height: 180px;
    }
    
    .box-content h2 {
        font-size: 0.9rem;
    }
    
    .box-content p {
        font-size: 0.75rem;
    }
}