@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #fdfbf7;
    /* Warm soft white (Creamy) */
    --fg: #1f2937;
    /* Dark gray for text */
    --muted: #6b7280;
    /* Medium gray */
    --accent: #8b5cf6;
    /* Soft Pastel Violet */
    --border: #ece9e3;
    /* Warm light border */
    --card-bg: #ffffff;
    --hover-bg: rgba(139, 92, 246, 0.05);
    --tab-bg: #f4f2ee;
    --date-bg: rgba(0, 0, 0, 0.03);
    --date-border: rgba(0, 0, 0, 0.05);

    --accent-soft: rgba(139, 92, 246, 0.08);
    --accent-line: rgba(139, 92, 246, 0.22);
    --glow: rgba(139, 92, 246, 0.07);
    --shadow-sm: 0 1px 2px rgba(31, 41, 55, 0.04), 0 1px 3px rgba(31, 41, 55, 0.03);
    --shadow-md: 0 10px 30px -12px rgba(76, 29, 149, 0.18), 0 2px 6px rgba(31, 41, 55, 0.04);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] {
    --accent-soft: rgba(167, 139, 250, 0.1);
    --accent-line: rgba(167, 139, 250, 0.25);
    --glow: rgba(167, 139, 250, 0.08);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 12px 32px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(167, 139, 250, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(1000px 500px at 85% -10%, var(--glow), transparent 70%),
        radial-gradient(800px 400px at -10% 10%, var(--glow), transparent 70%),
        var(--bg);
    background-attachment: fixed;
    color: var(--fg);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
    line-height: 1.7;
    font-size: 1.02rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transition: background-color 0.3s ease, color 0.3s ease;
}

::selection {
    background: var(--accent-line);
    color: var(--fg);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

/* Animated Underline */
a::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 1.5px;
    bottom: -1px;
    left: 0;
    background-color: currentColor;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.35s var(--ease);
}

a:hover::before {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* External Link Arrow */
a[target="_blank"]::after {
    content: '↗';
    font-size: 0.8em;
    opacity: 0.7;
    transition: transform 0.25s var(--ease), opacity 0.2s ease;
    display: inline-block;
}

a[target="_blank"]:hover::after {
    transform: translate(2px, -2px);
    opacity: 1;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 4px;
}

.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 88px 24px 64px;
}

header {
    margin-bottom: 72px;
}

h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    margin: 0 0 12px 0;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: var(--fg);
}

.title {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    color: var(--muted);
    margin-bottom: 18px;
    font-weight: 500;
}

.title::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.meta {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.meta span {
    display: inline-block;
    margin-right: 20px;
    margin-bottom: 8px;
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.links a {
    font-size: 0.92rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--fg);
    box-shadow: var(--shadow-sm);
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s var(--ease), box-shadow 0.2s ease;
}

.links a::before {
    display: none;
}

.links a:hover {
    color: var(--accent);
    border-color: var(--accent-line);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

section {
    margin-bottom: 72px;
}

h2 {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 28px 0;
    font-weight: 600;
}

/* Hairline that fades out after the heading text */
h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}

p {
    margin: 0 0 16px 0;
    color: var(--muted);
    max-width: 65ch;
}

ul {
    padding-left: 20px;
    margin: 0;
}

li {
    margin-bottom: 10px;
    color: var(--muted);
}

li::marker {
    color: var(--accent);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.card {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 24px;
    background: var(--card-bg);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s var(--ease);
    box-shadow: var(--shadow-sm);
}

.card:hover {
    border-color: var(--accent-line);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card h3 {
    margin: 0 0 6px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--fg);
    letter-spacing: -0.01em;
}

.card p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.65;
}

.role {
    font-weight: 600;
    color: var(--fg);
}

.duration {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

footer {
    border-top: 1px solid var(--border);
    padding-top: 40px;
    font-size: 0.95rem;
    color: var(--muted);
    text-align: center;
}

/* Tabs System */
.tabs-container {
    margin-bottom: 72px;
}

.tabs-header {
    display: flex;
    position: relative;
    background: var(--tab-bg);
    border-radius: 14px;
    padding: 5px;
    margin-bottom: 32px;
    border: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 11px 12px;
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    font-weight: 500;
    border-radius: 10px;
    transition: color 0.25s ease;
    z-index: 2;
    position: relative;
    text-align: center;
}

.tab-btn:hover {
    color: var(--fg);
}

.tab-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.tab-btn[aria-selected="true"] {
    color: #fff;
    font-weight: 600;
}

.tab-indicator {
    position: absolute;
    top: 5px;
    bottom: 5px;
    left: 0;
    background: linear-gradient(135deg, var(--accent), #7c3aed);
    border-radius: 10px;
    box-shadow: 0 4px 14px -4px rgba(124, 58, 237, 0.55);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    /* Width and transform set by JS */
}

.tab-content {
    display: none;
    animation: fadeIn 0.45s var(--ease);
}

.tab-content:not([hidden]) {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Experience Item */
.exp-item {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 30px;
    background: var(--card-bg);
    margin-bottom: 20px;
    transition: transform 0.3s var(--ease), border-color 0.25s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* Accent bar on the left that grows in on hover */
.exp-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent), transparent);
    opacity: 0;
    transform: scaleY(0.4);
    transform-origin: top;
    transition: opacity 0.3s ease, transform 0.4s var(--ease);
}

.exp-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent-line);
    box-shadow: var(--shadow-md);
}

.exp-item:hover::before {
    opacity: 1;
    transform: scaleY(1);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.exp-title h3 {
    margin: 0 0 4px 0;
    font-size: 1.2rem;
    color: var(--fg);
    font-weight: 650;
    letter-spacing: -0.015em;
    line-height: 1.35;
}

.exp-title h3 a {
    color: var(--fg);
}

.exp-title h3 a:hover {
    color: var(--accent);
}

.exp-company {
    color: var(--accent);
    font-size: 0.95rem;
    font-weight: 500;
}

.exp-date {
    color: var(--muted);
    font-size: 0.8rem;
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    background: var(--date-bg);
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid var(--date-border);
    white-space: nowrap;
}

.exp-details {
    margin-bottom: 20px;
    color: var(--muted);
    line-height: 1.75;
    font-size: 0.98rem;
}

.exp-details p:last-child {
    margin-bottom: 0;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
}

.tech-badge {
    font-size: 0.78rem;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid transparent;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.tech-badge:hover {
    border-color: var(--accent-line);
}

.summary h2 {
    margin-bottom: 20px;
}

.summary p {
    margin: 0 0 0.5rem 0;
    line-height: 1.7;
    color: var(--fg);
    opacity: 0.85;
}

.header-main-content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.button-wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

/* Mobile */
@media (max-width: 640px) {
    .container {
        padding: 56px 16px 48px;
    }

    header,
    section,
    .tabs-container {
        margin-bottom: 56px;
    }

    .exp-item {
        padding: 22px 20px;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: 10px 6px;
    }
}