*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-dark: #111111;
    --text: #1f2937;
    --muted: #6b7280;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #10b981;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
    --radius: 16px;
    --max-width: 1100px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

h1,
h2,
h3,
p,
ul {
    margin-top: 0;
}

h1 {
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    font-style: italic;
    color: var(--muted);
}

h3 {
    font-size: 1.4rem;
    line-height: 1.3;
    margin: 2.75rem 0 1rem;
    color: #0f172a;
    letter-spacing: -0.01em;
}

p {
    font-size: 1.02rem;
    margin-bottom: 1rem;
    max-width: 68ch;
    color: #374151;
}

.wrapper {
    width: 100%;
}

.wrapper > * {
    width: auto;
    margin: 0;
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    text-align: center;
    background: #ffffff;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 1rem;
    background: #111827;
    color: #ffffff;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 10000;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

.content {
    max-width: 920px;
    margin: 2.5rem auto 5rem;
    padding: 3rem;
    background: linear-gradient(180deg, #ffffff 0%, #fcfdff 100%);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 24px;
    box-shadow:
            0 10px 30px rgba(15, 23, 42, 0.06),
            0 1px 2px rgba(15, 23, 42, 0.04);
}

.content h3:first-child {
    margin-top: 0;
}

.content > * + * {
    scroll-margin-top: 100px;
}

.intro {
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    margin-bottom: 2.5rem;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 0.75rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}

.lead {
    font-size: 1.1rem;
    line-height: 1.75;
    color: #4b5563;
    max-width: 62ch;
    margin-bottom: 1.75rem;
}

.intro-highlights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.highlight-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.1rem 1.1rem 1rem;
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 16px;
}

.highlight-number {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f172a;
}

.highlight-label {
    font-size: 0.95rem;
    color: #6b7280;
}

.content-section + .content-section {
    margin-top: 0.5rem;
}

.myHistory,
.myAttributes,
.myIT {
    font-size: 1rem;
    margin: 0 0 2rem;
    padding-left: 1.25rem;
    color: #374151;
}

.myHistory li,
.myAttributes li,
.myIT li {
    margin-bottom: 0.8rem;
    padding-left: 0.15rem;
}

.myAttributes {
    list-style: none;
    padding-left: 0;
}

.myAttributes li {
    position: relative;
    padding-left: 1.75rem;
}

.myAttributes li::before {
    content: "✔";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success);
    font-weight: 700;
}

.panel-violin {
    flex: 1 1 200px;
    width: 100%;
    text-align: center;
}

.panel-violin img {
    width: 100%;
    max-height: 100%;
    border-radius: 8px;
}

.panel-violin a:link,
.panel-violin a:visited {
    color: #111827;
    text-decoration: none;
}

.panel-violin a:hover {
    color: #dc2626;
    text-decoration: none;
}

.panel-violin a:active {
    color: #000000;
}

/* Footer */

.footer {
    width: 100%;
    margin-top: 2rem;
    background: #0f172a;
    color: #ffffff;
}

.contain {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: space-between;
}

.footer .col {
    flex: 1 1 180px;
    min-width: 160px;
}

.footer .col h1 {
    margin: 0 0 1rem;
    font-size: 0.85rem;
    line-height: 1.4;
    color: #94a3b8;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.footer .col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer .col ul li {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.35rem 0;
    line-height: 1.5;
}

.footer .col a:link,
.footer .col a:visited {
    color: #ffffff;
    text-decoration: none;
}

.footer .col a:hover {
    color: #93c5fd;
    text-decoration: underline;
}

.footer .col a:active {
    color: #cbd5e1;
}

.social ul {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.social ul li {
    display: inline-flex;
    padding: 0;
}

.icon {
    width: 28px;
    height: 28px;
    opacity: 0.9;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.icon:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Tablet and down */

@media screen and (max-width: 1024px) {
    .content {
        margin: 1.25rem;
        padding: 2.25rem 1.75rem;
        border-radius: 20px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.35rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .intro-highlights {
        grid-template-columns: 1fr;
    }
}

/* Mobile */

@media screen and (max-width: 640px) {
    body {
        font-size: 16px;
    }

    .lead {
        font-size: 1.02rem;
        line-height: 1.7;
    }

    .intro {
        padding-bottom: 1.5rem;
        margin-bottom: 2rem;
    }

    .highlight-card {
        padding: 1rem;
        border-radius: 14px;
    }

    .content {
        margin: 0.85rem;
        padding: 1.5rem 1rem;
        border-radius: 16px;
    }

    p,
    .myHistory,
    .myAttributes,
    .myIT {
        font-size: 1rem;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    h3 {
        font-size: 1.15rem;
        margin: 2rem 0 0.75rem;
    }

    .contain {
        padding: 2rem 1rem;
        gap: 1.25rem;
    }

    .footer .col {
        flex: 1 1 calc(50% - 1rem);
        min-width: 140px;
        margin-bottom: 1rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer .col:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .footer .col h1 {
        font-size: 0.75rem;
        color: #64748b;
        letter-spacing: 0.16em;
    }

    .footer .col ul li {
        font-size: 0.92rem;
        color: #cbd5e1;
    }

    .social ul {
        justify-content: flex-start;
        margin-top: 0.25rem;
    }
}

@media screen and (max-width: 420px) {
    .footer .col {
        flex: 1 1 100%;
    }
}