:root {
    --normal-color: white;
    --font-color: #fefafa;
    --font-black: black;
    --big-font: #bbff00;
    --text-shadow: 0 0 18px #96fb99;
    --bg-color: #969494;
    /* --bg1: #ff1909;
    --bg2: #02fe67;
    --bg3: #00f9e8;
    --body-bg: linear-gradient(90deg, var(--bg1), var(--bg2), var(--bg3)); */
    --badge-bg: #111;
    --badge-text: white;
    --btn-hover-text: black;
    --nav-link-color: #f5f3f3;
    --border-color: #000;
    --link: #668a99;
    --bg1: #153677;
    --bg2: #4e085f;
}

body.darkmode {
    --normal-color: #1e293b;
    --font-color: #e2e8f0;
    --font-black: #fbfcff;
    --big-font: #668a99;
    --text-shadow: 0 0 18px #668a99;
    --bg-color: #969494;
    --bg1: #0f172a;
    --bg2: #1e293b;
    --bg3: #334155;
    --body-bg: linear-gradient(90deg, var(--bg1), var(--bg2), var(--bg3));
    --badge-bg: #334155;
    --badge-text: #e2e8f0;
    --btn-hover-text: #0f172a;
    --nav-link-color: #e2e8f0;
    --border-color: #475569;
}

html {
    scroll-behavior: smooth;
}



body {
    margin: 0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    height: 100%;
    width: 100%;
    color: var(--font-color);
    background: linear-gradient(135deg, var(--bg1), var(--bg2));
    background-size: 600% 600%;
    animation: bgAnimation 15s infinite linear;
    transition: color 0.3s ease;
    /* animation: appear 1s linear; */
    /* animation-timeline: view();
    animation-range: entry 0; */
}

@keyframes bgAnimation {
    0% {
        background-position: 0 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0 50%;
    }
}

/* @keyframes appear {
    from {
        opacity: 0;
        scale: 0.5;
    }

    to {
        opacity: 1;
        scale: 1;
    }
} */

/* nav and links */

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(4px);
    /* height: 69px; */
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 10px 120px;
    height: 80px;
}

nav .logo-name {
    color: var(--big-font);
    text-shadow: var(--text-shadow);
    font-size: 22px;
    font-weight: 600;
}

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

nav .links a {
    color: var(--nav-link-color);
    text-decoration: none;
    font-size: 18px;
    margin: 0 10px;
}

nav .links a:last-child {
    border: 1px solid var(--border-color);
    color: var(--font-white);
    padding: 10px 20px;
    border-radius: 5px;
    margin-right: 50px;
    margin-left: 50px;
    transition: 0.4s;
}

nav .links a span {
    margin-left: 10px;
}

nav .links a:not(:last-child) span {
    position: relative;
    display: inline-block;
}

nav .links a:not(:last-child) span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--link);
    transition: width 0.3s ease;
}

nav .links a:last-child:hover {
    background-color: var(--bg-color);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

nav .links a:not(:last-child) span:hover::after {
    width: 100%;
}

/* dark mode */

#theme-switch {
    height: 50px;
    width: 50px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 25px;
    right: 50px;
    background-color: var(--normal-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    margin-left: 10px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

#theme-switch:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

#theme-switch i {
    color: var(--font-black);
    font-size: 18px;
}

#theme-switch i:last-child {
    display: none;
}

.darkmode #theme-switch i:first-child {
    display: none;
}

.darkmode #theme-switch i:last-child {
    display: block;
    justify-content: center;
}

/* Home section-intro */

.section-intro {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    text-align: center;
    padding: 20px 20px;
    margin-bottom: 230px;
    scroll-margin-top: 80px;
}

.section-intro .intro {
    margin-top: 100px;
    max-width: 800px;
    padding: 20px;
}

.section-intro .intro p {
    max-width: 800px;
    margin-top: 40px;
    margin-bottom: 50px;
}

.section-intro .intro a {
    color: var(--font-color);
    text-decoration: none;
}

.section-intro .intro h3 {
    color: var(--big-font);
    font-size: 28px;
}

.section-intro .intro .btn-1 {
    border: 1px solid var(--font-color);
    padding: 10px 20px;
    margin-left: 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.section-intro .intro .btn-1:hover {
    background-color: var(--bg-color);
    transform: translate(-2px);
    box-shadow: 0 4px 14px var(--bg-color);
    color: var(--btn-hover-text);
}

/* About Me AND about me section */

.section-about {
    padding: 100px 50px;
    margin-left: 80px;
}

.section-about .about-content h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.section-about .about-content h1 {
    max-width: 600px;
    color: var(--big-font);
    /* text-shadow: 0 0 6px var(--bg-color); */
}

.section-about .about-content p {
    width: 45%;
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 20px;
    font-weight: 20px;
}

.section-about .about-content .about-img {
    float: right;
    margin-top: -520px;
    padding: 0 80px;
}

.section-about .about-content .about-img img {
    width: 400px;
    height: 550px;
    object-fit: cover;
    border-radius: 26px;
    transition: 0.8s ease, box-shadow 0.3s ease ;
}

.section-about .about-content .about-img img:hover{
    box-shadow: 0 0 20px var(--bg-color);
}

/* project section */
.section-project {
    padding: 80px 50px;
    margin-bottom: 100px;
}

.section-project .project-grid {
    padding: 80px 50px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.section-project h2 {
    text-align: center;
    font-weight: 600;
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--font-color);
}

.project-card {
    padding: 30px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 15px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--normal-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.project-card h3 {
    font-size: 20px;
    margin: 0;
    color: var(--font-black);
    font-weight: 600;
}

.project-card p {
    font-size: 14px;
    margin: 0;
    color: var(--font-black);
}

/* .project-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    width: 100%;
} */

.btn-2 {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: transparent;
    color: var(--font-color);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s ease;
}

.btn-2:hover {
    background-color: var(--bg-color);
    border-color: var(--bg-color);
}

.section-about .btn-2:hover {
    border: 2px solid white;
    background-color: white;
    color: black;
}

/* this is my Tech Stack */

.section-techstack {
    padding: 100px 50px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
    scroll-margin-top: 80px;
    scroll-margin-bottom: 80px;
}

.section-techstack h1 {
    margin-bottom: 20px;
    color: var(--big-font);
}

.section-techstack p {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 20px;
    font-weight: 500;
}

.section-techstack .badge {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 800px;
    width: 100%;
}

.section-techstack .badge .badge-raw {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;

}

.section-techstack .badge .badge-raw .badge-all {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 15px;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    border-radius: 5px;
    font-size: 14px;
    margin-left: 10px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}



.section-techstack .badge .badge-raw .badge-all:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--glow-color), 0 4px 14px rgba(0, 0, 0, 0.5);
}


/* badge color */
.badge-all.b-js     { --accent: #F7DF1E; --glow-color: rgba(247,223,30,0.4); }
.badge-all.b-css    { --accent: #264DE4; --glow-color: rgba(38,77,228,0.4); }
.badge-all.b-html   { --accent: #f23a07; --glow-color: rgba(227,79,38,0.4); }
.badge-all.b-vscode { --accent: #007ACC; --glow-color: rgba(0,122,204,0.4); }
.badge-all.b-infinityfree { --accent: #00C853; --glow-color: rgba(0,200,83,0.4); }
.badge-all.b-figma  { --accent: #A259FF; --glow-color: rgba(162,89,255,0.4); }
.badge-all.b-pawn  { --accent: #916108; --glow-color: rgba(185, 129, 7, 0.4); }
.badge-all.b-windows  { --accent: #0bf5d6; --glow-color: rgba(3, 188, 195, 0.4); }
.badge-all.b-git  { --accent: #f97a03; --glow-color: rgba(217, 189, 2, 0.4); }
.badge-all.b-github { --accent: #94a3b8; --glow-color: rgba(62, 61, 61, 0.4); }
.badge-all.b-visualstudio { --accent: #f106f1; --glow-color: rgba(160, 29, 204, 0.4); }


.b-html i    { color: #e34c26; }
.b-css i     { color: #264de4; }
.b-git i     { color: #f05032; }
.b-github i  { color: #e0f2fe; }
.b-windows i { color: #00adef; }
.b-figma i   { color: #a259ff; }


/* contact section */

.section-contact {
    padding: 100px 50px;
    text-align: center;
}

.section-contact h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--muted);
}

.section-contact p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
    font-weight: 500;
    color: var(--muted);
    width: 50%;
    margin: 0 auto;
}

.section-contact .btn-1 {
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 6px;
    color : var(--font-color);
    font-size: 18px;
    margin: 30px 0;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--font-color);
    display: inline-block;
}

.section-contact .btn-1:hover {
    background-color: var(--link);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
    color: var(--normal-color);
}

.section-contact .contact-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.section-contact .contact-links a {
    color: var(--font-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.section-contact .contact-links a:visited {
    color: var(--font-color);
    text-decoration: none;
}

.section-contact .contact-links a:hover {
    color: var(--bg-color);
}

.section-contact .contact-links a:visited:hover {
    color: var(--bg-color);
}


footer {
    padding: 15px;
    background-color: grey;
    color: black;
    font-size: 12px;
    margin: 0;

    display: flex;
    justify-content: space-between;
}

@media (max-width: 760px) {
    nav {
        padding: 10px 20px;
        height: auto;
        flex-wrap: wrap;
        gap: 10px;
    }

    nav .links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        width: 100%;
    }

    nav .links a {
        font-size: 14px;
        margin: 0;
    }

    nav .links a span {
        margin-left: 6px;
    }

    nav .links a:last-child {
        margin: 0;
        padding: 8px 14px;
    }
    #theme-switch {
        top: 12px;
        right: 12px;
        height: 42px;
        width: 42px;
    }
    .section-intro {
        margin-bottom: 80px;
        padding: 20px 16px;
    }

    .section-intro .intro h1 {
        font-size: 1.6rem;
    }

    .section-intro .intro h3 {
        font-size: 1.1rem;
    }

    .section-intro .intro .btn-1 {
        display: inline-block;
        margin: 8px 6px;
    }

    .section-about {
        margin-left: 0;
        padding: 60px 20px;
    }

    .section-about .about-content h1 {
        max-width: 100%;
        font-size: 1.4rem;
    }
    .section-about .about-content p {
        width: 100%;
        font-size: 16px;
    }
    .section-about .about-content .about-img {
        float: none;
        margin-top: 30px;
        padding: 0;
        text-align: center;
    }

    .section-about .about-content .about-img img {
        width: 100%;
        max-width: 300px;
        height: auto;
    }
    
    .section-project {
        padding: 40px 16px;
    }

    .section-project .project-grid {
        padding: 20px 0;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-techstack {
        padding: 60px 20px;
    }

    .section-techstack p {
        font-size: 16px;
    }
    .section-techstack .badge .badge-raw .badge-all {
        margin-left: 0;
        font-size: 13px;
        padding: 8px 12px;
    }
    .section-contact {
        padding: 60px 20px;
        margin-top: 0;
    }
    .section-contact p {
        width: 100%;
        font-size: 16px;
    }

    .section-contact .contact-links {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 6px;
    
    }
}