:root {
    --color-bg: #d2e8cf;
    --color-surface: #ffffff;
    --color-text: #1a2332;
    --color-border: #e2e8f0;
    --color-accent: #3b82f6;
    --color-accent-soft: rgba(59, 130, 246, 0.1);
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
    --radius: 12px;
    --header-h: 3.5rem;
    --site-max: 800px;
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100dvh;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, Cantarell, 'Noto Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-surface);
}

.site-viewport {
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    padding: clamp(0.75rem, 3vw, 1.5rem);
    background: var(--color-surface);
}

.site-shell {
    width: 100%;
    max-width: var(--site-max);
    background: var(--color-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: min(100dvh - 2 * clamp(0.75rem, 3vw, 1.5rem), 100%);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--header-h);
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.site-header--home {
    justify-content: flex-end;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    font-family: 'Merriweather', Georgia, serif;
    font-weight: 600;
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.site-brand__mark {
    display: block;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.site-brand:hover {
    color: var(--color-accent);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-surface);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.nav-toggle:hover {
    background: var(--color-accent-soft);
    border-color: rgba(59, 130, 246, 0.35);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.nav-toggle-bar {
    display: block;
    width: 1.125rem;
    height: 2px;
    margin: 0 auto;
    background: var(--color-text);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.site-nav.is-open {
    max-height: 20rem;
}

@media (prefers-reduced-motion: reduce) {
    .site-nav {
        transition: none;
    }
}

.site-nav-list {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0 1rem;
}

.site-nav-list li {
    margin: 0;
}

.site-nav-list a {
    display: block;
    padding: 0.65rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
}

.site-nav-list a:hover,
.site-nav-list a:focus-visible {
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.site-nav-list a:focus-visible {
    outline: none;
}

.site-nav-list a[aria-current='page'] {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.site-main {
    flex: 1;
    padding: clamp(1.25rem, 4vw, 2rem);
}

.site-footer {
    flex-shrink: 0;
    padding: 0rem 1.25rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.site-footer__copy {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text);
}

.site-main h1 {
    margin: 0 0 0.75rem;
    font-family: 'Merriweather', Georgia, serif;
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.25;
}

.site-main p {
    margin: 0 0 1rem;
    color: var(--color-text);
    max-width: 52ch;
}

.site-main p:last-child {
    margin-bottom: 0;
}

.site-main a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.site-main a:hover {
    color: #2563eb;
}

.site-main a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.home-page {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

.home-page p {
    max-width: none;
}

.home-page h1 {
    text-align: center;
}

.home-page__image-wrap {
    margin: 0 0 1.25rem;
}

.home-page__image {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    max-height: 300px;
    width: auto;
    height: auto;
}

.bio-page {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    text-align: center;
}

.bio-page p {
    max-width: none;
}

.artwork-page {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

.artwork-page p {
    max-width: none;
}

.artwork-grid {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
    gap: 1rem;
}

.artwork-grid__item {
    margin: 0;
}

.artwork-grid__image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.artwork-grid__image:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.artwork-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    margin: 0;
    padding: 0;
    background: rgba(15, 23, 42, 0.92);
    box-sizing: border-box;
}

.artwork-lightbox[hidden] {
    display: none !important;
}

.artwork-lightbox__nav {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    z-index: 1;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.artwork-lightbox__nav--prev {
    left: 0;
    cursor: w-resize;
}

.artwork-lightbox__nav--next {
    right: 0;
    cursor: e-resize;
}

.artwork-lightbox__nav:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.6);
    outline-offset: -2px;
}

.artwork-lightbox__close {
    position: absolute;
    top: clamp(0.5rem, 2vw, 1rem);
    right: clamp(0.5rem, 2vw, 1rem);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin: 0;
    padding: 0;
    font: inherit;
    font-size: 1.75rem;
    line-height: 1;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    cursor: pointer;
}

.artwork-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.artwork-lightbox__close:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.artwork-lightbox__image {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: block;
    max-width: min(100vw - 2rem, 100%);
    max-height: min(100dvh - 2rem, 100%);
    width: auto;
    height: auto;
    object-fit: contain;
    pointer-events: none;
}

.contact-page {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

.contact-page p {
    max-width: none;
}

.contact-page .contact-form {
    max-width: none;
}

.toast-region {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    max-width: min(90vw, var(--site-max));
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    margin: 0;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    line-height: 1.45;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(-0.5rem);
    transition:
        opacity 0.25s ease,
        transform 0.25s ease;
}

.toast--visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .toast {
        transition: none;
    }
}

.contact-form {
    margin-top: 1.5rem;
    max-width: 36rem;
}

.contact-form > ul {
    margin: 0 0 1rem;
    padding-left: 1.25rem;
    color: #b91c1c;
    font-size: 0.875rem;
}

.contact-form__row {
    margin-bottom: 1.125rem;
}

.contact-form label,
.contact-form .form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--color-text);
}

.contact-form input[type='text'],
.contact-form input[type='email'],
.contact-form input[type='tel'],
.contact-form textarea {
    width: 100%;
    max-width: 100%;
    padding: 0.55rem 0.75rem;
    font: inherit;
    color: var(--color-text);
    background: #fafbfc;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
    outline: none;
    border-color: rgba(59, 130, 246, 0.55);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.contact-form textarea {
    resize: vertical;
    min-height: 6rem;
}

.contact-form .invalid-feedback,
.contact-form ul li {
    margin-top: 0.35rem;
    font-size: 0.875rem;
    color: #b91c1c;
}

.contact-form input[aria-invalid='true'],
.contact-form textarea[aria-invalid='true'] {
    border-color: #f87171;
}

.contact-form__actions {
    margin-top: 0.25rem;
}

.contact-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0 1.25rem;
    font: inherit;
    font-weight: 600;
    color: #fff;
    background: var(--color-accent);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}

.contact-form__submit:hover {
    background: #2563eb;
}

.contact-form__submit:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.contact-form__submit:active {
    transform: scale(0.98);
}