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

:root {
    --bg: #fffef8;
    --surface: #ffffff;
    --soft: #faf6ea;
    --text: #0f172a;
    --muted: #5b6476;
    --border: #e6dfcf;
    --border-strong: #d1c7b1;
    --accent: #2563eb;
    --link: #1d4ed8;
    --link-hover: #b45309;
    --shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
    --card: var(--surface);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px 72px;
}

.top-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 254, 248, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

.top-nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    width: 100%;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: 0.02em;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
}

.brand a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand a:hover {
    color: inherit;
}

.brand-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.brand-flow {
    color: var(--muted);
    font-weight: 600;
    letter-spacing: normal;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #4f8bff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg);
    font-size: 0.95rem;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
}

.brand-logo {
    width: 38px;
    height: 38px;
    background: center/contain no-repeat url('../fa-logo.jpg');
    background-color: var(--bg);
    border-radius: 6px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.06);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-links a {
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--text);
    font-weight: 600;
}

.nav-links a:hover {
    background: var(--soft);
    color: var(--link-hover);
}

.print-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.print-btn i {
    color: var(--link-hover);
    font-size: 15px;
}

.print-btn:hover {
    background: var(--soft);
    border-color: var(--border-strong);
    color: var(--link-hover);
}

.print-hide {
    display: inline-flex;
}

.hero {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 28px;
    align-items: center;
    padding: 42px 0 28px;
    border-bottom: 1px solid var(--border);
}

.skill-hero {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px 0 12px;
    border-bottom: 1px solid var(--border);
}

.skill-hero-title {
    margin: 4px 0 2px;
    font-size: 34px;
    line-height: 1.3;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
}

.skill-hero-subtitle {
    margin: 0;
    color: var(--muted);
    max-width: 860px;
    line-height: 1.6;
}

.skill-hero-lede {
    margin: 0;
    color: var(--text);
    max-width: 860px;
    line-height: 1.6;
    font-size: 17px;
}

.skill-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px;
}

.skill-hero-item {
    padding: 0;
}

.skill-hero-label {
    font-weight: 700;
    font-size: 17px;
    margin-bottom: 4px;
    color: var(--text);
}

.skill-hero-text {
    margin: 0;
    color: var(--text);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 2px;
}

.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--soft);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
}

.avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(150deg, #e8eeff 0%, var(--accent) 45%, #1f4fd8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f8fbff;
    font-size: 46px;
    font-weight: 700;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.12);
}

.avatar-photo {
    width: 100px;
    aspect-ratio: 1 / 2;
    border-radius: 20%;
    background: center/cover no-repeat url('../face.jpg');
    border: 1px solid var(--card, #ffffff);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
}

.hero-text .eyebrow {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--muted);
    letter-spacing: 0.1em;
    font-size: 13px;
    text-transform: uppercase;
}

.hero-title {
    margin: 6px 0 10px;
    font-size: 40px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
}

.hero-subtitle {
    margin: 0 0 10px;
    color: var(--muted);
    max-width: 720px;
    line-height: 1.6;
}

.social-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.icon-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    color: var(--text);
    font-weight: 600;
    transition: color 0.2s ease, transform 0.2s ease;
}

.icon-pill:hover {
    color: var(--link-hover);
    transform: translate3d(1px, -1px, 0) rotate(-3deg);
}

.section {
    padding: 28px 0;
    border-bottom: 1px solid var(--border);
}

.section:last-of-type {
    border-bottom: none;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.section-title {
    margin: 0;
    font-size: 24px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.section-subtitle {
    margin: 0;
    color: var(--muted);
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 18px;
    box-shadow: var(--shadow);
}

.card-title {
    margin: 0 0 6px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.card-title a {
    color: inherit;
}

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

.card-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
    align-items: center;
}

.card-desc {
    margin: 10px 0 0;
    color: var(--text);
    line-height: 1.55;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
}

.timeline {
    position: relative;
    padding-left: 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: var(--border-strong);
}

.timeline-entry {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px 12px 18px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.05);
}

.timeline-entry::before {
    display: none;
}

.timeline-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.timeline-date {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--muted);
    font-size: 13px;
}

.timeline-title {
    margin: 4px 0 6px;
    font-weight: 700;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
}

.tag {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 13px;
    font-weight: 600;
}

.timeline-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-top: 4px;
}

.timeline-row {
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: 26px;
    row-gap: 6px;
    padding: 6px 0 14px;
    border-bottom: 1px solid var(--border);
    align-items: start;
}

.timeline-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.timeline-copy {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.timeline-role {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
}

.timeline-note {
    margin: 0;
    color: var(--text);
    line-height: 1.5;
}

.timeline-highlight {
    color: inherit;
    font-weight: 700;
}

.timeline-highlight:hover {
    color: var(--link-hover);
}

.year-label {
    color: var(--text);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.timeline-year {
    align-self: start;
    justify-self: end;
}

.timeline-extra {
    display: none;
    margin-top: 8px;
    padding: 10px 12px;
    border-left: 3px solid var(--border-strong);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.timeline-extra.is-open {
    display: block;
}

.timeline-extra-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
    color: inherit;
    line-height: 1.55;
}

.timeline-extra-list li {
    padding-left: 4px;
}

.timeline-stack-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    margin-right: 8px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.95em;
}

.timeline-row {
    cursor: pointer;
}

.timeline-row.is-open .timeline-role {
    color: var(--link-hover);
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.article-list.compact .card {
    padding: 12px 14px;
    box-shadow: none;
}

blockquote {
    margin: 24px 0;
    padding: 18px 20px;
    border-left: 4px solid var(--accent);
    background: var(--soft);
    color: var(--text);
    border-radius: 10px;
}

blockquote i {
    color: var(--muted);
}

.page-hero {
    padding: 22px 0 14px;
    border-bottom: 1px solid var(--border);
}

.page-title {
    margin: 6px 0 4px;
    font-size: 32px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@media (max-width: 720px) {
    .container {
        padding: 24px 18px 60px;
    }

    .top-nav {
        padding: 12px 0;
    }

    .top-nav-inner {
        padding: 0 16px;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .skill-hero-title {
        font-size: 28px;
    }

    .avatar {
        width: 110px;
        height: 110px;
        font-size: 36px;
    }

    .card {
        padding: 14px;
    }

    .timeline-row {
        grid-template-columns: 1fr;
        row-gap: 8px;
        border-bottom: 1px solid var(--border);
    }

    .timeline-year {
        justify-self: start;
    }
}

@media print {
    body {
        background: #ffffff;
    }

    .top-nav,
    .print-hide {
        display: none !important;
    }

    .container {
        max-width: 100%;
        padding: 0 24px 24px;
    }

    .section,
    .timeline-row,
    .skill-hero {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .timeline-extra {
        display: block !important;
    }

    .timeline-row {
        cursor: default;
    }

    a {
        color: inherit;
    }
}