:root {
    --color-bg: #f5f7fb;
    --color-surface: #ffffff;
    --color-surface-alt: #eef4ff;
    --color-border: #dfe8f7;
    --color-text: #1f2a37;
    --color-muted: #52657a;
    --color-accent: #2563eb;
    --color-accent-dark: #1d4ed8;
    --color-accent-soft: #dbeafe;
    --shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.06);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --container-width: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

.skip-link {
    position: absolute;
    left: 1rem;
    top: -999px;
    z-index: 1000;
    padding: 0.75rem 1rem;
    background: var(--color-accent-dark);
    color: #ffffff;
    border-radius: var(--radius-sm);
}

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

:focus-visible {
    outline: 3px solid #f59e0b;
    outline-offset: 3px;
}

.container {
    width: min(92vw, var(--container-width));
    margin: 0 auto;
}

.site-header {
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0 1.1rem;
}

.brand {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

.main-nav {
    width: 100%;
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-list li {
    flex: 1 1 auto;
}

.nav-list a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    color: var(--color-text);
    font-weight: 600;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.nav-list a:hover,
.nav-list a:focus-visible {
    border-color: var(--color-accent);
    background: var(--color-surface-alt);
    color: var(--color-accent-dark);
}

.nav-list a[aria-current="page"] {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

main {
    padding: 2rem 0 3rem;
}

.hero,
.content-panel,
.project-card {
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.hero-copy,
.hero-visual {
    flex: 1 1 0;
}

.eyebrow {
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-accent-dark);
}

h1 {
    margin-bottom: 0.85rem;
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

h2 {
    margin-bottom: 1rem;
    font-size: clamp(1.35rem, 2.7vw, 1.8rem);
    line-height: 1.2;
}

h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    line-height: 1.2;
}

.lead {
    margin-bottom: 0.9rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-muted);
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual img {
    width: min(220px, 100%);
    height: min(220px, 100%);
    border-radius: 50%;
    border: 4px solid var(--color-accent-soft);
    background: var(--color-surface-alt);
    object-fit: cover;
    object-position: center;
}

.content-panel {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.content-panel p,
.content-panel li {
    color: var(--color-text);
}

.experience-entry {
    padding-top: 1.25rem;
    margin-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}

.experience-entry:first-of-type {
    padding-top: 0;
    margin-top: 0;
    border-top: none;
}

.experience-entry h3 {
    margin-bottom: 0.35rem;
    font-size: 1.1rem;
}

.role,
.dates {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-muted);
}

.role {
    font-weight: 700;
}

.experience-entry .check-list {
    margin-top: 0.75rem;
}

.tag-list,
.check-list,
.project-tech {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.skill-group {
    display: grid;
    gap: 0.625rem;
    margin-top: 1rem;
}

.skill-group:first-of-type {
    margin-top: 0;
}

.skill-group > h3 {
    margin-bottom: 0;
}

.skill-group .tag-list {
    margin-top: 0.125rem;
}

.tag-list li,
.project-tech li {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-accent-dark);
    font-size: 0.92rem;
    font-weight: 600;
}

.check-list {
    display: grid;
    gap: 0.7rem;
}

.check-list li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--color-text);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent-dark);
    font-weight: 700;
}

.compact-list {
    gap: 0.5rem;
}

.page-intro {
    margin-bottom: 1.5rem;
}

.cv-layout {
    display: grid;
    gap: 1.5rem;
}

.cv-aside {
    display: block;
}

.profile-card {
    display: grid;
    gap: 1rem;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.profile-card img {
    width: min(220px, 100%);
    height: min(220px, 100%);
    margin: 0 auto;
    border-radius: 50%;
    border: 4px solid var(--color-accent-soft);
    background: var(--color-surface-alt);
    object-fit: cover;
    object-position: center;
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.project-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    background: var(--color-surface-alt);
}

.project-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 1.25rem;
}

.project-content p {
    color: var(--color-muted);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    background: var(--color-accent);
    color: #ffffff;
    font-weight: 600;
    margin-top: auto;
}

.project-link:hover,
.project-link:focus-visible {
    background: var(--color-accent-dark);
}

.site-footer {
    padding: 1.25rem 0 2rem;
    border-top: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.7);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-start;
}

.footer-content p {
    margin: 0;
    color: var(--color-muted);
}

@media (min-width: 768px) {
    .header-inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .main-nav {
        width: auto;
    }

    .nav-list {
        justify-content: flex-end;
    }

    .nav-list li {
        flex: 0 0 auto;
    }

    .hero {
        flex-direction: row;
        align-items: center;
        padding: 2rem;
    }

    .cv-layout {
        grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.8fr);
    }

    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .container {
        width: min(95vw, var(--container-width));
    }

    .hero {
        padding: 2.5rem;
    }

    .content-panel {
        padding: 2rem;
    }

    .project-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}