/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --secondary-color: #666666;
    --link-color: #0066cc;
    --link-hover: #0052a3;
    --border-color: #e0e0e0;
    --max-width: 800px;
}

/* Dark mode (optional - user can toggle via browser/OS preference) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #e0e0e0;
        --secondary-color: #a0a0a0;
        --link-color: #4da6ff;
        --link-hover: #80bfff;
        --border-color: #333333;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 2rem 1rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

main {
    min-height: calc(100vh - 6rem);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

header .logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

header .logo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: -0.5px;
    margin: 0;
}

/* Mr. Robot style glitch effect */
.glitch {
    position: relative;
    font-weight: 400;
    text-transform: uppercase;
    animation: glitch-skew 1s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 #ff00c1;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 #00fff9, 2px 2px #ff00c1;
    animation: glitch-anim2 1s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% {
        clip: rect(31px, 9999px, 94px, 0);
        transform: skew(0.43deg);
    }
    5% {
        clip: rect(70px, 9999px, 71px, 0);
        transform: skew(0.25deg);
    }
    10% {
        clip: rect(79px, 9999px, 99px, 0);
        transform: skew(0.18deg);
    }
    15% {
        clip: rect(17px, 9999px, 39px, 0);
        transform: skew(0.62deg);
    }
    20% {
        clip: rect(26px, 9999px, 87px, 0);
        transform: skew(0.37deg);
    }
    25% {
        clip: rect(84px, 9999px, 50px, 0);
        transform: skew(0.11deg);
    }
    30% {
        clip: rect(2px, 9999px, 59px, 0);
        transform: skew(0.76deg);
    }
    35% {
        clip: rect(62px, 9999px, 27px, 0);
        transform: skew(0.29deg);
    }
    40% {
        clip: rect(90px, 9999px, 88px, 0);
        transform: skew(0.45deg);
    }
    45% {
        clip: rect(12px, 9999px, 95px, 0);
        transform: skew(0.59deg);
    }
    50% {
        clip: rect(45px, 9999px, 15px, 0);
        transform: skew(0.22deg);
    }
    55% {
        clip: rect(76px, 9999px, 35px, 0);
        transform: skew(0.81deg);
    }
    60% {
        clip: rect(54px, 9999px, 68px, 0);
        transform: skew(0.33deg);
    }
    65% {
        clip: rect(8px, 9999px, 77px, 0);
        transform: skew(0.66deg);
    }
    70% {
        clip: rect(37px, 9999px, 23px, 0);
        transform: skew(0.14deg);
    }
    75% {
        clip: rect(91px, 9999px, 42px, 0);
        transform: skew(0.52deg);
    }
    80% {
        clip: rect(19px, 9999px, 83px, 0);
        transform: skew(0.39deg);
    }
    85% {
        clip: rect(65px, 9999px, 6px, 0);
        transform: skew(0.73deg);
    }
    90% {
        clip: rect(48px, 9999px, 58px, 0);
        transform: skew(0.26deg);
    }
    95% {
        clip: rect(33px, 9999px, 72px, 0);
        transform: skew(0.57deg);
    }
    100% {
        clip: rect(21px, 9999px, 46px, 0);
        transform: skew(0.41deg);
    }
}

@keyframes glitch-anim2 {
    0% {
        clip: rect(65px, 9999px, 100px, 0);
        transform: skew(0.85deg);
    }
    5% {
        clip: rect(14px, 9999px, 33px, 0);
        transform: skew(0.19deg);
    }
    10% {
        clip: rect(96px, 9999px, 53px, 0);
        transform: skew(0.51deg);
    }
    15% {
        clip: rect(41px, 9999px, 74px, 0);
        transform: skew(0.34deg);
    }
    20% {
        clip: rect(7px, 9999px, 82px, 0);
        transform: skew(0.68deg);
    }
    25% {
        clip: rect(59px, 9999px, 19px, 0);
        transform: skew(0.23deg);
    }
    30% {
        clip: rect(88px, 9999px, 44px, 0);
        transform: skew(0.56deg);
    }
    35% {
        clip: rect(22px, 9999px, 67px, 0);
        transform: skew(0.38deg);
    }
    40% {
        clip: rect(73px, 9999px, 11px, 0);
        transform: skew(0.71deg);
    }
    45% {
        clip: rect(35px, 9999px, 91px, 0);
        transform: skew(0.16deg);
    }
    50% {
        clip: rect(81px, 9999px, 28px, 0);
        transform: skew(0.49deg);
    }
    55% {
        clip: rect(4px, 9999px, 63px, 0);
        transform: skew(0.32deg);
    }
    60% {
        clip: rect(56px, 9999px, 85px, 0);
        transform: skew(0.64deg);
    }
    65% {
        clip: rect(29px, 9999px, 16px, 0);
        transform: skew(0.27deg);
    }
    70% {
        clip: rect(92px, 9999px, 48px, 0);
        transform: skew(0.54deg);
    }
    75% {
        clip: rect(13px, 9999px, 79px, 0);
        transform: skew(0.36deg);
    }
    80% {
        clip: rect(68px, 9999px, 24px, 0);
        transform: skew(0.69deg);
    }
    85% {
        clip: rect(38px, 9999px, 57px, 0);
        transform: skew(0.21deg);
    }
    90% {
        clip: rect(86px, 9999px, 9px, 0);
        transform: skew(0.47deg);
    }
    95% {
        clip: rect(51px, 9999px, 75px, 0);
        transform: skew(0.31deg);
    }
    100% {
        clip: rect(18px, 9999px, 62px, 0);
        transform: skew(0.61deg);
    }
}

@keyframes glitch-skew {
    0% {
        transform: skew(0deg, 0deg);
    }
    10% {
        transform: skew(-1deg, 0deg);
    }
    20% {
        transform: skew(0.5deg, 0deg);
    }
    30% {
        transform: skew(-0.5deg, 0deg);
    }
    40% {
        transform: skew(1deg, 0deg);
    }
    50% {
        transform: skew(0deg, 0deg);
    }
    60% {
        transform: skew(-0.8deg, 0deg);
    }
    70% {
        transform: skew(0.3deg, 0deg);
    }
    80% {
        transform: skew(-0.3deg, 0deg);
    }
    90% {
        transform: skew(0.8deg, 0deg);
    }
    100% {
        transform: skew(0deg, 0deg);
    }
}

/* Intro section */
.intro {
    margin-bottom: 3rem;
    font-size: 1.1rem;
    color: var(--secondary-color);
    text-align: center;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.intro p {
    margin-bottom: 1rem;
    line-height: 1.8;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 4px;
}

.intro p:hover {
    color: var(--text-color);
    background: rgba(0, 255, 249, 0.03);
    transform: translateY(-2px);
    text-shadow: 0 0 20px rgba(0, 255, 249, 0.3);
}

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

/* Tools section */
.tools-section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-align: center;
    position: relative;
    padding-bottom: 0.75rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00fff9, #ff00c1);
    border-radius: 2px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        width: 60px;
    }
    50% {
        opacity: 0.6;
        width: 80px;
    }
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.tool-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00fff9, #ff00c1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 255, 249, 0.3);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-color);
    gap: 1rem;
}

.tool-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.tool-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.tool-card:hover .tool-name {
    color: #00fff9;
    text-shadow: 0 0 10px rgba(0, 255, 249, 0.3);
}

.tool-description {
    font-size: 0.9rem;
    color: var(--secondary-color);
    line-height: 1.5;
}

.external-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.tool-card:hover .external-icon {
    opacity: 1;
    transform: translate(2px, -2px);
    color: #00fff9;
}

/* Dark mode enhancements for tools */
@media (prefers-color-scheme: dark) {
    .tool-card {
        background: rgba(255, 255, 255, 0.02);
        border-color: #2a2a2a;
    }

    .tool-card:hover {
        background: rgba(0, 255, 249, 0.05);
        border-color: rgba(0, 255, 249, 0.4);
        box-shadow: 0 12px 24px rgba(0, 255, 249, 0.1);
    }
}

/* Projects section (legacy) */
.projects {
    margin-bottom: 3rem;
}

.projects h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.project-list {
    list-style: none;
}

.project-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.project-list li:last-child {
    border-bottom: none;
}

.project-name {
    font-weight: 500;
    color: var(--text-color);
    min-width: fit-content;
}

.separator {
    color: var(--secondary-color);
    margin: 0 0.25rem;
}

.project-list a {
    color: var(--link-color);
    text-decoration: none;
    word-break: break-all;
    transition: color 0.2s ease;
}

.project-list a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 2rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.github-link {
    display: inline-flex;
    align-items: center;
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.github-link:hover {
    color: var(--text-color);
    transform: translateY(-2px);
}

.github-icon {
    width: 24px;
    height: 24px;
}

/* List page styles */
.list {
    margin-top: 2rem;
}

.list article {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.list article:last-child {
    border-bottom: none;
}

.list h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.list h3 a {
    color: var(--text-color);
    text-decoration: none;
}

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

.list p {
    color: var(--secondary-color);
}

/* Content section */
.content {
    line-height: 1.8;
    margin-bottom: 2rem;
}

.content h1,
.content h2,
.content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.content p {
    margin-bottom: 1rem;
}

.content a {
    color: var(--link-color);
    text-decoration: none;
}

.content a:hover {
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        padding: 1rem 0.75rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .intro {
        font-size: 1rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .project-list li {
        flex-direction: column;
        gap: 0.25rem;
        padding: 1rem 0;
    }

    .separator {
        display: none;
    }
}