* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}

br {
    margin-top: 20px;
}

body {
    background: url("https://i.ibb.co/1JTtKNFv/file-0000000011bc61f79c3937902e0a32aa.png");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

button:hover {
    background-color: green;
}

input {
    padding: 12px;
    border-radius: 6px;
    background: rgb(193, 195, 199);
    width: 100%;
    font-size: 16px;
    border: 1px solid #ddd;
}

select {
    padding: 12px;
    border-radius: 6px;
    background: rgb(193, 195, 199);
    width: 100%;
    font-size: 16px;
    border: 1px solid #ddd;
}

label {
    font-size: 14px;
    font-weight: 500;
    color: #555;
}

.main-header {
    background: rgb(235, 9, 51);
    padding: 15px 20px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
}

.main-header a {
    color: white;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s ease;
    border-radius: 4px;
}

.main-header a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav-links {
    display: flex;
    gap: 5px;
    align-items: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

.logo {
    font-size: 18px;
    font-weight: bold;
    color: white;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: rgb(235, 9, 51);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 10px 0;
        z-index: 1000;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px 20px;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .main-header {
        padding: 12px 15px;
    }
}

.blood-div {
    cursor: pointer;
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 15px;
}

.blood-div a {
    height: 60px;
    width: 90%;
    max-width: 400px;
    padding: 15px 20px;
    border-radius: 50px;
    background: red;
    display: flex;
    font-size: 18px;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blood-div a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

.need-blood {
    font-size: 18px;
    font-weight: 600;
}

.register-form {
    max-width: 400px;
    width: 90%;
    border: 2px solid black;
    border-radius: 10px;
    padding: 20px;
    margin: 0 auto;
}

.form {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    margin-top: 80px;
    min-height: 50vh;
    padding: 20px;
}

.form .input {
    margin: 10px 0;
}

.form-div-2 {
    max-width: 400px;
    width: 90%;
    border: 2px solid black;
    border-radius: 10px;
    padding: 15px;
    background: lightgrey;
    margin: 0 auto;
}

.main-form {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.main-form .input2 {
    margin: 10px 0;
}

.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: 0 15px;
}

.main {
    border: 3px solid gray;
    border-radius: 10px;
    background: lightgray;
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: 350px;
    margin: 15px auto;
    padding: 15px;
    position: relative;
    flex-wrap: wrap;
}

@media (max-width: 400px) {
    .main {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

.user-detail {
    padding: 5px;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

#link {
    display: flex;
    justify-content: center;
}

.registerform {
    display: flex;
    width: 90%;
    max-width: 400px;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

.card p {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    font-size: 15px;
    padding: 0 10px;
}

.user-detail h2 {
    display: flex;
    padding: 3px 0;
    font-size: 14px;
    color: black;
    word-break: break-word;
}

h4 {
    display: flex;
    padding: 2px;
    font-size: 11px;
    color: black;
}

.call,
.call2 {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.call img {
    margin: 5px;
    width: 45px;
    height: 45px;
}

#or {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px;
}

#or2 h1 {
    color: red;
    font-size: 24px;
}

#register {
    cursor: pointer;
    margin-top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 15px;
}

#register2 {
    width: 90%;
    max-width: 400px;
    border-radius: 50px;
    background: red;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

#register2:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

#register2 a {
    width: 100%;
    height: 60px;
    padding: 15px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    background: transparent;
    border: none;
}

.registerform2 {
    border: 3px solid #333;
    color: black;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    width: 90%;
    max-width: 400px;
    margin: 15px auto;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.registerform2 .p {
    margin: 5px;
    display: inline-block;
    background: rgb(12, 242, 39);
    border: 2px solid rgb(12, 242, 39);
    color: white;
    border-radius: 99px;
    justify-content: center;
    padding: 5px 15px;
    font-size: 14px;
}

p {
    display: flex;
    justify-content: center;
}

.registerform2 h2 {
    display: flex;
    padding: 8px 0;
    font-size: 15px;
}

.bottom-background {
    padding: 10px;
    margin-top: 30px;
    background: url("https://i.ibb.co/mJXJGx2/blood-1.png") no-repeat bottom center;
    background-size: contain;
    width: 100%;
    max-width: 350px;
    height: 300px;
}

@media (max-width: 768px) {
    .home {
        min-height: calc(100vh - 60px);
        display: flex;
        flex-direction: column;
        position: relative;
        padding-bottom: 280px;
    }
    
    .main-background {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 10;
    }
    
    .bottom-background {
        width: 100%;
        max-width: 100%;
        height: 260px;
        margin-top: 0;
        padding: 0;
    }
}

@media (max-width: 400px) {
    .bottom-background {
        width: 100%;
        height: 250px;
    }
}

@media (min-width: 769px) {
    .bottom-background {
        width: 350px;
        height: 350px;
    }
}

.main-background {
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6, a {
    cursor: pointer;
}

.registerform2 img {
    max-width: 100%;
    height: auto;
}

.registerform2, .card {
    width: 90%;
    max-width: 400px;
}

@media (max-width: 768px) {
    .registerform2, .card {
        width: 95%;
    }
}

.find-div {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    padding: 15px;
}

.back {
    display: flex;
    justify-content: center;
    padding: 20px;
}

.back a {
    text-align: center;
    padding: 10px 25px;
    background: red;
    border: 2px solid darkred;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    transition: background 0.3s ease;
}

.back a:hover {
    background: darkred;
}

#form2 {
    padding: 10px;
    min-height: 100vh;
}

@media (max-width: 480px) {
    .need-blood {
        font-size: 16px;
    }
    
    #or2 h1 {
        font-size: 20px;
    }
    
    .user-detail h2 {
        font-size: 13px;
    }
    
    .call img {
        width: 40px;
        height: 40px;
    }
}