* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: "Poppins", sans-serif;
}

:root {
    --bg-color: #f9f9f9;
    --second-bg-color: #d2ffd1;
    --text-color: black;
    --main-color: #2E8B57;
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    /* 隐藏滚动条的同时仍能滚动 */
    overflow: auto;
    /* 启用滚动功能 */
    -ms-overflow-style: none;
    /* 适用于 Internet Explorer 和旧版 Edge */
}


/* 隐藏 WebKit 内核浏览器（如 Chrome 和 Safari）中的滚动条*/
body::-webkit-scrollbar {
    display: none;
    /* 隐藏滚动条*/
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 9%;
    background: rgba(255, 255, 255, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}


.logo {
    font-size: 3rem;
    color: var(--text-color);
    font-weight: 800;
    cursor: pointer;
    transition: 0.3s ease;
    /* 无需 logo， */
    visibility: hidden !important;
}

.logo:hover {
    transform: scale(1.1);
}

.navbar a {
    font-size: 1.6rem;
    color: rgba(0, 0, 0, 0.3);
    margin-left: 4rem;
    font-weight: 500;
    transition: 0.3s ease;
    border-bottom: 3px solid transparent;
}


.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
    border-bottom: 3px solid var(--main-color);
}

#menu-icon {
    font-size: 3.6rem;
    color: var(--main-color);
    display: none;
}



section {
    min-height: 100vh;
    padding: 10rem 9% 10rem;
}

.home {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 1rem;
}


.home-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    margin-top: 3rem;
}

.home-content h3 {
    font-size: 3rem;
    font-weight: 700;
}


span {
    color: var(--main-color);
}

.logo span {
    color: var(--main-color);
}


.home-content h3:nth-of-type(2) {
    margin-bottom: 2rem;
    font-size: 4.8rem;
}

.home-content h1 {
    font-size: 8rem;
    font-weight: 700;
    line-height: 1;
}

.home-img {
    border-radius: 50%;
}

.home-img img {
    position: relative;
    top: 2rem;
    width: 12vw;
    border-radius: 50%;
    cursor: pointer;
}

.home-content p {
    font-size: 1.8rem;
    font-weight: 500;
    width: 1000px;
}

.social-icons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: transparent;
    border: 0.3rem solid var(--main-color);
    font-size: 3rem;
    border-radius: 50%;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: 0.3s ease;
}

.social-icons a:hover {
    color: white;
    transform: scale(1.3) translateY(-5px);
    background-color: var(--main-color);
}



.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--main-color);
    border-radius: 4rem;
    font-size: 2rem;
    color: white;
    border: 2px solid transparent;
    letter-spacing: 0.1rem;
    font-weight: 600;
    transition: 0.3s ease;
    cursor: pointer;
}


.btn:hover {
    transform: scale(1.05);
    background: var(--bg-color);
    color: var(--main-color);
    border: 2px solid var(--main-color);
}


.text-animation {
    font-size: 34px;
    font-weight: 600;
    min-width: 280px;
}

.text-animation span {
    position: relative;
}

.text-animation span::before {
    content: 'Youtuber';
    color: var(--main-color);
    animation: words 20s infinite;
}

.text-animation span::after {
    content: '';
    background-color: var(--bg-color);
    position: absolute;
    width: calc(100% + 8px);
    height: 100%;
    border-left: 2px solid #f1f1f1;
    right: -8px;
    animation: cursor 0.6s infinite, typing 20s steps(14) infinite;
}

@keyframes cursor {
    to {
        border-left: 2px solid var(--main-color);
    }
}

@keyframes words {

    0%,
    20% {
        content: 'Web Developer';
    }

    21%,
    40% {
        content: 'Web Designer';
    }

    41%,
    60% {
        content: 'Photographer';
    }

    61%,
    80% {
        content: 'Blogger';
    }

    100% {
        content: 'Content Creator';
    }
}

@keyframes typing {

    10%,
    15%,
    30%,
    35%,
    50%,
    55%,
    70%,
    75%,
    90%,
    95% {
        width: 0;
    }

    5%,
    20%,
    25%,
    40%,
    45%,
    60%,
    65%,
    80%,
    85% {
        width: calc(100% + 8px);
    }
}

.about {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10rem;
    background: var(--second-bg-color);
    color: black;
}

.about-img {
    border-radius: 50%;
}

.about-img img {
    position: relative;
    width: 30vw;
    border-radius: 50%;
    top: 1rem;
    cursor: pointer;
}

.about .btn {
    margin-top: 2rem;
}


.heading {
    text-align: center;
    font-size: 8rem;
}

.about-content h2 {
    text-align: left;
    line-height: 1.5;
}



.about-content h3 {
    font-size: 2.6rem;
}

.about-content p {
    font-size: 1.6rem;
    margin: 2rem 0 0;
}


.about-content .text-animation span::before {
    content: 'Youtuber';
    color: var(--main-color);
    animation: words 20s infinite;
}

.about-content .text-animation span::after {
    content: '';
    background-color: var(--second-bg-color);
    position: absolute;
    width: calc(100% + 8px);
    height: 100%;
    border-left: 2px solid #f1f1f1;
    right: -8px;
    animation: cursor 0.6s infinite, typing 20s steps(14) infinite;
}

::-webkit-scrollbar {
    width: 15px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--main-color);
}

::-webkit-scrollbar-track {
    background-color: var(--bg-color);
    width: 50px;
}



.project {
    background: var(--bg-color);
    color: black;
}

.project h2 {
    margin-bottom: 5rem;
    color: black;
}

.project-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 2rem;
}

.project-box {
    border: 3px solid var(--main-color);
    height: 300px;
    border-radius: 1em;
    cursor: pointer;
    transition: 0.3s ease;
}

.project-box:hover {
    background: var(--main-color);
    color: white;
    transform: scale(1.03);
}

.project-box:hover {
    background: var(--main-color);
    color: white;
    transform: scale(1.03);
}

.project-box .project-info {
    display: flex;
    flex-direction: column;
    text-align: left;
    justify-content: center;
    align-items: baseline;
    padding: 5rem;
}

.project-info h4 {
    font-size: 36px;
    font-weight: 500;
}

.project-info p {
    margin-top: 2rem;
    font-size: 20px;
    font-weight: 400;
    margin: auto;
}


/* friend */


.friend {
    background: var(--bg-color);
    color: black;
}

.friend-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 2rem;
}

.friend-box {
    border: 3px solid var(--main-color);
    height: 300px;
    border-radius: 1em;
    cursor: pointer;
    transition: 0.3s ease;
}

.friend-box:hover {
    background: var(--main-color);
    color: white;
    transform: scale(1.03);
}

.friend-box:hover {
    background: var(--main-color);
    color: white;
    transform: scale(1.03);
}

.friend-box .friend-info {
    display: flex;
    flex-direction: column;
    text-align: left;
    justify-content: center;
    align-items: baseline;
    padding: 5rem;
}

.friend-info h4 {
    font-size: 36px;
    font-weight: 500;
}

.friend-info p {
    margin-top: 2rem;
    font-size: 20px;
    font-weight: 400;
    margin: auto;
}

/* contact */

.contact {
    background-color: var(--second-bg-color);
}

.contact h2 {
    margin-bottom: 3rem;
    color: black;
}

.contact form {
    max-width: 70rem;
    margin: 1rem auto;
    text-align: center;
    margin-bottom: 3rem;
}

.contact form .input-box {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}


.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background-color: var(--bg-color);
    border-radius: 0.8rem;
    border: 2px solid var(--main-color);
    margin: 1rem 0;
    resize: none;
}

.contact form .btn {
    margin-top: 2rem;
}



.footer {
    position: relative;
    bottom: 0;
    width: 100%;
    padding: 40px 0;
    background-color: var(--main-color);
}

.footer .social {
    text-align: center;
    padding-bottom: 25px;
    color: white;
}


.footer .social a {
    font-size: 25px;
    color: white;
    border: 2px solid white;
    width: 42px;
    height: 42px;
    line-height: 42px;
    display: inline-block;
    text-align: center;
    border-radius: 50%;
    margin: 0 10px;
    transition: 0.3s ease;
}

.footer .social a:hover {
    transform: scale(1.2) translateY(-10px);
    background-color: white;
    color: var(--main-color);
}

.footer ul {
    margin-top: 0;
    padding: 0;
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 0;
    text-align: center;
}

.footer ul li a {
    color: white;
    border-bottom: 3px solid transparent;
    transition: 0.3s ease;
}

.footer ul li a:hover {
    border-bottom: 3px solid white;
}

.footer ul li {
    display: inline-block;
    padding: 0 15px;
}


.footer .copyright {
    margin-top: 50px;
    text-align: center;
    font-size: 16px;
    color: white;
}


@media(max-width:1285px) {
    html {
        font-size: 55%;
    }

    .projects-container {
        padding-bottom: 7rem;
        grid-template-columns: repeat(2, 1fr);
        margin: 0 5rem;
    }

    .home p {
        width: 700px;
    }

    .home img {
        width: 32vw;
    }
}

@media(max-width:991px) {
    header {
        padding: 2rem 3%;
    }

    section {
        padding: 10rem 3% 2rem;
    }

    .footer {
        padding: 2rem 3%;
    }
}

@media(max-width:895px) {
    #menu-icon {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 3%;
        background: white;
        border-bottom: 1px solid rgba(255, 255, 255, 0.4);
        display: none;
    }

    .navbar.active {
        display: block;
    }

    .navbar a {
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
        color: black;
    }

    .home {
        flex-direction: column;
        margin: 5rem 4rem;
    }

    .home p {
        width: 500px;
    }

    .home-content h3 {
        font-size: 2.6rem;
    }

    .home-content h1 {
        font-size: 5rem;
    }

    .home-img img {
        width: 70vw;
        margin-top: 4rem;
    }

    .about {
        flex-direction: column-reverse;
    }

    .about-content {
        margin: 0 2rem 4rem;
    }

    .about img {
        width: 64vw;
        margin-top: 1rem;
        margin-bottom: 3rem;
    }

    .project h2 {
        margin-bottom: 3rem;
    }

    .project-container {
        grid-template-columns: repeat(1, 1fr);
    }
}