/* ============================================
   Skip Link (ADA)
   ============================================ */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--charcoal);
    color: white;
    padding: 0.75rem 1.5rem;
    font-family: var(--body-font);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    z-index: 9999;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 8px; /* clears the color bar */
    outline: 3px solid var(--teal);
    outline-offset: 2px;
}

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    --cream: #FEFDFB;
    --charcoal: #1A1A1A;
    --warm-gray: #6B6B6B;
    --light-gray: #999999;
    --accent: #8B4513;
    --teal: #A0522D;
    --border: #E2E2E2;

    /* Typography — Neue Haas Grotesk (headings) + Acumin (body) */
    --font: 'Neue Haas Grotesk Display Pro', 'HelveticaNeue', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --body-font: 'acumin-pro', 'Acumin Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 3rem;
    --space-xl: 5rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--body-font);
    background: var(--cream);
    color: var(--charcoal);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Teal Color Bar
   ============================================ */
.color-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--teal);
    z-index: 1000;
}

.color-segment {
    display: none;
}

/* ============================================
   Navigation
   ============================================ */
nav {
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 8px;
    background: var(--cream);
    z-index: 100;
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    color: var(--charcoal);
    transition: color var(--transition-base);
}

.logo:hover {
    color: var(--teal);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--warm-gray);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--charcoal);
}

.nav-links a.nav-cta {
    color: white;
    background: var(--charcoal);
    padding: 0.5rem 1.1rem;
    letter-spacing: 0.08em;
    transition: background var(--transition-base);
}

.nav-links a.nav-cta:hover {
    background: var(--teal);
    color: white;
}

/* ============================================
   Main Container
   ============================================ */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

/* ============================================
   Page Sections
   ============================================ */
.page-section {
    display: none;
    padding: var(--space-xl) 0;
    opacity: 0;
    animation: fadeIn var(--transition-slow) forwards;
}

.page-section.active {
    display: block;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ============================================
   Hero Section — Two Column
   ============================================ */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 520px;
    border-bottom: 1px solid var(--border);
}

.hero-left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3.5rem 4rem 3.5rem 0;
    background: var(--cream);
}

.hero-logo {
    width: 100%;
    max-width: 420px;
    margin-bottom: 2rem;
}

.hero-logo svg {
    width: 100%;
    height: auto;
    display: block;
}

.hero-content {
    max-width: 480px;
}

.hero-content p {
    font-family: var(--body-font);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--warm-gray);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-right {
    position: relative;
    overflow: hidden;
    background: #2a1f14;
}

/* Slideshow */
.hero-slideshow {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
    background-size: cover;
    background-position: center;
}

.hero-slide.active {
    opacity: 1;
}

.slideshow-dots {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.slideshow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background var(--transition-base);
}

.slideshow-dot.active {
    background: rgba(255,255,255,0.9);
}

.hero-cta {
    display: inline-block;
    flex-shrink: 0;
    background: var(--charcoal);
    color: white !important;
    text-decoration: none;
    padding: 0.875rem 2.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: background var(--transition-base), transform var(--transition-base);
}

.hero-cta:hover {
    background: var(--teal) !important;
    transform: translateY(-2px);
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        min-height: unset;
    }
    .hero-left {
        padding: 3rem 2rem;
    }
    .hero-right {
        min-height: 320px;
    }
    .hero-content-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
}

/* ============================================
   Section Titles & Subtitles
   ============================================ */
.section-title {
    font-family: var(--font);
    font-size: clamp(2.25rem, 4.5vw, 4rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    color: var(--charcoal);
}

.section-subtitle {
    font-family: var(--body-font);
    font-size: 1rem;
    font-weight: 400;
    color: var(--warm-gray);
    max-width: 680px;
    line-height: 1.7;
    margin-bottom: 3rem;
}

/* ============================================
   Artists Intro Section (Homepage)
   ============================================ */
.artists-intro {
    padding: var(--space-xl) 0 var(--space-lg);
}

.artists-intro .section-title {
    margin-bottom: 1rem;
}

.artists-intro-sub {
    font-family: var(--body-font);
    font-size: 0.95rem;
    color: var(--warm-gray);
    margin-bottom: 2.5rem;
}

.artists-intro-sub a {
    color: var(--teal);
    text-decoration: none;
    border-bottom: 1px solid var(--teal);
    transition: color var(--transition-base), border-color var(--transition-base);
}

.artists-intro-sub a:hover {
    color: var(--charcoal);
    border-color: var(--charcoal);
}

/* Alpha-grouped list on homepage */
.artists-alpha-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem 3rem;
}

.alpha-group-letter {
    font-family: var(--font);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    border-bottom: 2px solid var(--teal);
    padding-bottom: 0.35rem;
    margin-bottom: 0.5rem;
}

.alpha-group-names {
    list-style: none;
    padding: 0;
    margin: 0;
}

.alpha-group-names li {
    font-family: var(--body-font);
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--charcoal);
    padding: 0.28rem 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.35;
}

/* ============================================
   Artists Toolbar (Artists Wanted Page)
   ============================================ */
.artists-toolbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.alpha-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    flex: 1;
}

.alpha-btn {
    font-family: var(--font);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border);
    background: white;
    color: var(--warm-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
}

.alpha-btn:hover {
    border-color: var(--teal);
    color: var(--teal);
}

.alpha-btn.active {
    background: var(--charcoal);
    border-color: var(--charcoal);
    color: white;
}

.alpha-btn[data-letter="ALL"] {
    letter-spacing: 0.04em;
    padding: 0.35rem 0.8rem;
}

.artists-search-wrap {
    flex-shrink: 0;
}

.artist-jump-select {
    font-family: var(--body-font);
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--charcoal);
    background: white;
    border: 1px solid var(--border);
    padding: 0.45rem 2rem 0.45rem 0.75rem;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B6B6B'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    cursor: pointer;
    transition: border-color var(--transition-base);
    width: 220px;
}

.artist-jump-select:focus {
    outline: 2px solid var(--teal);
    outline-offset: 0;
    border-color: var(--teal);
}

/* Letter heading inside the grid */
.grid-letter-heading {
    grid-column: 1 / -1;
    font-family: var(--font);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    border-bottom: 2px solid var(--teal);
    padding-bottom: 0.4rem;
    margin-top: 1rem;
}

.grid-letter-heading:first-child {
    margin-top: 0;
}

/* ============================================
   Artists Grid (Artists Wanted Page)
   ============================================ */
.artists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}

.artist-card {
    padding: var(--space-md);
    border: 1px solid var(--border);
    background: white;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.artist-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.07);
}

.artist-name {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
    color: var(--charcoal);
}

.artist-location {
    color: var(--warm-gray);
    font-size: 0.88rem;
    font-weight: 400;
    margin-bottom: 0.4rem;
    letter-spacing: 0.01em;
}

.artist-years {
    color: var(--light-gray);
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* ============================================
   About Section
   ============================================ */
.about-content {
    max-width: 820px;
}

.about-content p {
    font-family: var(--body-font);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--charcoal);
}

/* ============================================
   Contact Form
   ============================================ */
.submission-intro {
    max-width: 820px;
    margin-bottom: 3rem;
}

.submission-intro p {
    font-family: var(--body-font);
    font-size: 1.05rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--charcoal);
    margin-bottom: 1.25rem;
}

.submission-intro ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.submission-intro li {
    font-family: var(--body-font);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--charcoal);
    margin-bottom: 0.5rem;
}

.form-container {
    max-width: 760px;
}

.form-group {
    margin-bottom: var(--space-md);
}

label {
    display: block;
    font-family: var(--font);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.65rem;
    color: var(--charcoal);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 0.875rem var(--space-sm);
    border: 1px solid var(--border);
    background: white;
    font-family: var(--body-font);
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--charcoal);
    transition: border-color var(--transition-base);
    border-radius: 0;
    appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--teal);
    outline-offset: 0;
    border-color: var(--teal);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

.artist-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.6rem;
    margin-bottom: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--body-font);
    font-weight: 400;
    font-size: 0.95rem;
    letter-spacing: 0;
    text-transform: none;
    cursor: pointer;
    color: var(--charcoal);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
    accent-color: var(--teal);
}

/* ============================================
   File Upload
   ============================================ */
.file-upload {
    border: 1px dashed var(--border);
    padding: 3rem var(--space-md);
    text-align: center;
    background: white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.file-upload:hover {
    border-color: var(--teal);
    background: #f9fdfd;
}

.file-upload.drag-over {
    border-color: var(--teal);
    background: #f3fafa;
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    opacity: 0.4;
}

.upload-text {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
    color: var(--charcoal);
}

.upload-subtext {
    font-size: 0.82rem;
    font-weight: 300;
    color: var(--light-gray);
}

#fileInput { display: none; }

.file-preview {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: var(--space-sm);
}

.preview-item {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    border: 1px solid var(--border);
}

.preview-item img {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}

.remove-file {
    position: absolute;
    top: var(--space-xs);
    right: var(--space-xs);
    background: white;
    border: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    transition: background var(--transition-fast);
}

.remove-file:hover {
    background: var(--teal);
    color: white;
}

/* ============================================
   Submit Button
   ============================================ */
.submit-btn {
    background: var(--charcoal);
    color: white;
    border: none;
    padding: 1rem 2.75rem;
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-top: var(--space-md);
}

.submit-btn:hover {
    background: var(--teal);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74,124,126,0.3);
}

.submit-btn:disabled {
    background: var(--light-gray);
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   Contact Email
   ============================================ */
.contact-email {
    margin-top: var(--space-md);
    color: var(--light-gray);
    font-family: var(--body-font);
    font-size: 0.875rem;
    font-weight: 400;
    text-align: center;
}

.contact-email a {
    color: var(--teal);
    text-decoration: none;
    border-bottom: 1px solid var(--teal);
    transition: all var(--transition-base);
}

.contact-email a:hover {
    color: var(--charcoal);
    border-bottom-color: var(--charcoal);
}

/* ============================================
   Success Message
   ============================================ */
.success-message {
    display: none;
    padding: var(--space-md);
    background: #f0fafa;
    border: 1px solid var(--teal);
    margin-top: var(--space-md);
    text-align: center;
}

.success-message.show {
    display: block;
    animation: fadeIn var(--transition-slow) forwards;
}

.success-message h3 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.success-message p {
    font-family: var(--body-font);
    font-weight: 400;
    color: var(--warm-gray);
}

/* ============================================
   Footer
   ============================================ */
footer {
    margin-top: 8rem;
    padding: var(--space-lg) 5%;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--light-gray);
    font-size: 0.82rem;
    font-weight: 300;
}

.footer-tagline {
    margin-top: var(--space-xs);
    font-size: 0.78rem;
}


/* ============================================
   Focus Visibility (ADA — WCAG 2.4.7)
   ============================================ */
:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Specific overrides for nav links and buttons */
.nav-links a:focus-visible,
.alpha-btn:focus-visible,
.hero-cta:focus-visible,
.submit-btn:focus-visible,
.slideshow-dot:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
}

.logo:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 4px;
}

.file-upload:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 0;
    border-color: var(--teal);
}

/* ============================================
   Color Contrast Fixes (ADA — WCAG 1.4.3)
   ============================================ */
/* --teal (#A0522D sienna) on --cream (#FEFDFB): ratio ~4.6:1 ✓
   Used for alpha letter headings, active nav, links — passes AA */

/* alpha-group-letter and grid-letter-heading use --teal on --cream: OK
   But artists-intro-sub link uses --teal inline — also OK at this size */

/* nav-cta button: white on --charcoal (#1A1A1A): ~16:1 ✓ */

/* ============================================
   Artist card highlighted state (jump-to)
   ============================================ */
.artist-card.highlighted {
    border-color: var(--teal);
    box-shadow: 0 0 0 2px var(--teal);
    transition: border-color 0.1s, box-shadow 0.1s;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1100px) {
    .artists-alpha-list { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .artists-alpha-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { gap: 1.5rem; }

    .hero {
        padding: 3rem 0 4rem;
    }

    .hero-logo {
        max-width: 90%;
        margin-bottom: 2.5rem;
    }

    .page-section { padding: var(--space-lg) 0; }
    .artists-grid { grid-template-columns: repeat(2, 1fr); }
    .artist-checkboxes { grid-template-columns: 1fr; }
    .artists-alpha-list { grid-template-columns: repeat(2, 1fr); }
    .artists-toolbar { flex-direction: column; align-items: flex-start; }
    .artist-jump-select { width: 100%; }
}

@media (max-width: 480px) {
    nav { padding: var(--space-sm) 5%; }
    .logo { font-size: 0.9rem; }
    .nav-links { gap: var(--space-sm); }
    .nav-links a { font-size: 0.72rem; }
    .artists-grid { grid-template-columns: 1fr; }
    .artists-alpha-list { grid-template-columns: 1fr; }
}