@import url('https://fonts.googleapis.com/css2?family=Noto+Serif:wdth,wght@62.5..100,100..900&display=swap');

:root {
    --bg-color: #f5f5f5;
    --text-color: #333333;
    --intro-bg: black;
    --btn-color: #03e9f4;
    --header-bg: rgba(255, 255, 255, 0.05);
    --header-border: rgba(0, 0, 0, 0.1);
    --header-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --avatar-border: 2px solid #ffffff;
    --avatar-shadow: 0 0 30px rgba(102, 234, 142, 0.5);
    --name-gradient: linear-gradient(90deg, #595956, #03f417);
    --bio-color: #595956;
    --location-color: #595956;
    --repo-title-gradient: linear-gradient(90deg, #03f417, #595956);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: 1px solid rgba(0, 255, 42, 0.5);
    --card-shadow: 0 0 10px rgba(42, 182, 37, 0.315);
    --card-hover-shadow: 0 0px 20px rgba(102, 234, 124, 0.3);
    --card-hover-border: #03f417;
    --link-color: #595956;
    --link-hover-color: #5fda74;
    --meta-color: #5fda74;
}


.dark-mode {
    --bg-color: #111111;
    --text-color: whitesmoke;
    --header-bg: rgba(255, 255, 255, 0.05);
    --header-border: rgba(255, 255, 255, 0.5);
    --header-shadow: 0 8px 32px rgba(0, 0, 0, 0.219);
    --avatar-border: 2px solid #fff;
    --avatar-shadow: 0 1px 20px rgba(77, 255, 86, 0.8);
    --name-gradient: linear-gradient(90deg, #c9c9c9 0%, #03f417 54%);
    --bio-color: whitesmoke;
    --location-color: whitesmoke;
    --repo-title-gradient: linear-gradient(90deg, #03f417, #595956);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: 1px solid rgba(255, 255, 255, 0.5);
    --card-shadow: 0 0px 10px rgba(255, 255, 255, 0.5);
    --card-hover-shadow: 0 0px 20px rgba(102, 234, 124, 0.3);
    --card-hover-border: rgba(0, 255, 42, 0.5);
    --link-color: #1fb32b;
    --link-hover-color: #00ff2a;
    --meta-color: #5fda74;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Serif', serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

#intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--intro-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: transform 0.8s cubic-bezier(0.86, 0, 0.07, 1);
}

#intro-overlay.reveal-overlay {
    transform: translateY(-100%);
}

#btn-start {
    position: relative;
    display: inline-block;
    padding: 15px 40px;
    margin: 0;
    color: var(--btn-color);
    text-decoration: none;
    text-transform: uppercase;
    transition: 0.5s;
    letter-spacing: 4px;
    overflow: hidden;
    filter: hue-rotate(270deg);
    font-size: 1rem;
}

#btn-start:hover {
    background: var(--btn-color);
    color: #050801;
    box-shadow: 0 0 5px var(--btn-color), 0 0 25px var(--btn-color), 0 0 50px var(--btn-color),
        0 0 200px var(--btn-color);
}

#btn-start span {
    position: absolute;
    display: block;
}

#btn-start span:nth-child(1) {
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--btn-color));
    animation: animate1 1s linear infinite;
}

@keyframes animate1 {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

#btn-start span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--btn-color));
    animation: animate2 1s linear infinite;
    animation-delay: 0.25s;
}

@keyframes animate2 {
    0% { top: -100%; }
    50%, 100% { top: 100%; }
}

#btn-start span:nth-child(3) {
    bottom: 0;
    right: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, var(--btn-color));
    animation: animate3 1s linear infinite;
    animation-delay: 0.5s;
}

@keyframes animate3 {
    0% { right: -100%; }
    50%, 100% { right: 100%; }
}

#btn-start span:nth-child(4) {
    bottom: -100%;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, var(--btn-color));
    animation: animate4 1s linear infinite;
    animation-delay: 0.75s;
}

@keyframes animate4 {
    0% { bottom: -100%; }
    50%, 100% { bottom: 100%; }
}

.fade-out {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.reveal-overlay {
    transform: translateY(-100%);
    pointer-events: none;
}

#main-content {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

#controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: -20px;
    margin-bottom: 20px;
    gap: 15px;
    flex-wrap: wrap;
}

.search-container {
    display: flex;
    gap: 10px;
}

#search-input {
    padding: 8px 12px;
    border-radius: 20px;
    border: 1px solid var(--text-color);
    background: transparent;
    color: var(--text-color);
    outline: none;
    transition: all 0.3s ease;
}

#search-input:focus {
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-color: var(--btn-color);
}

#search-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--text-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: bold;
}

#search-btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
    transform: translateY(-2px);
}

#theme-toggle {
    background: transparent;
    border: 2px solid var(--text-color);
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    padding: 8px 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#theme-toggle:hover {
    background: var(--text-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

#main-header {
    margin-bottom: 40px;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px 20px;
    box-shadow: var(--header-shadow);
    border: var(--header-border);
    animation: slideUp 0.8s ease;
    text-align: center;
    margin-top: 15px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: var(--avatar-border);
    box-shadow: var(--avatar-shadow);
    transition: transform 0.3s ease;
}

#profile-avatar:hover {
    transform: scale(1.05);
}

.profile-info {
    flex: 1;
}

#profile-name {
    font-family: sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: var(--name-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#profile-bio {
    font-size: 1rem;
    color: var(--bio-color);
    margin-bottom: 10px;
    line-height: 1.6;
}

#profile-location {
    font-size: 0.9rem;
    color: var(--location-color);
}

#repo-section h2 {
    font-weight: 900;
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
    background: var(--repo-title-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.repo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.repo-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    border: var(--card-border);
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.repo-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--card-hover-border);
}

.repo-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.repo-card h3 a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.repo-card h3 a:hover {
    color: var(--link-hover-color);
}

.repo-card p {
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.repo-meta {
    font-weight: 900;
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: baseline;
    font-size: 0.85rem;
    color: var(--meta-color);
}

.live-demo-btn {
    display: inline-block;
    padding: 8px 16px;
    margin-top: 10px;
    background: transparent;
    border: 1px solid var(--link-color);
    color: var(--link-color);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.live-demo-btn:hover {
    background: #1fb32b;
    color: var(--bg-color);
    text-decoration: none;
}

@media (min-width: 426px) {
    .repo-grid {
        grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
        gap: 20px;
    }
}

@media (min-width: 769px) {
    #main-content {
        padding: 60px 20px;
    }

    #main-header {
        margin-bottom: 60px;
    }

    .header-content {
        margin-top: -5px;
        flex-direction: row;
        text-align: left;
        padding: 40px;
        gap: 40px;
    }

    #profile-avatar {
        width: 150px;
        height: 150px;
    }

    #profile-name {
        font-size: 2.5rem;
    }

    #profile-bio {
        font-size: 1.1rem;
    }

    #profile-location {
        font-size: 1rem;
    }

    #repo-section h2 {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .repo-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
    }

    .repo-card {
        padding: 25px;
    }

    .repo-card h3 {
        font-size: 1.3rem;
    }

    .repo-card p {
        font-size: 1rem;
    }

    .repo-meta {
        font-size: 0.9rem;
    }

    #btn-start {
        padding: 25px 30px;
    }
}