/* ========================================
   STUDIO NADEAU - Main Stylesheet
   Palette matched from live nadeau.com (navy/gray on white,
   banner accent colors from Ellen's artwork)
   ======================================== */

:root {
    /* Typography */
    --font-body: 'Mulish', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Literata', Georgia, serif;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;

    /* Colors - matched from live site computed styles */
    --color-primary: #04048b;       /* headings, links (measured) */
    --color-primary-dark: #030366;
    --color-text: #6a6b6c;          /* body copy (measured) */
    --color-text-light: #85868a;
    --color-bg: #fff;
    --color-bg-light: #f7f8fb;
    --color-border: #e3e5ea;
    --color-cta-bg: #7c93c4;        /* CTA band blue, sampled visually — confirm/adjust against live site */

    /* Banner accent palette (Ellen's artwork, for accents/buttons only) */
    --color-accent-coral: #c85a3f;
    --color-accent-orange: #e0973a;
    --color-accent-blue: #2e5fa3;
    --color-accent-lime: #b7cc3a;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;

    /* Radius / transitions */
    --radius: 6px;
    --radius-pill: 999px;
    --transition: 0.15s ease;
}

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
}

h1 { font-size: 2.125rem; margin-bottom: var(--spacing-md); }
h2 { font-size: 1.5rem; margin-bottom: var(--spacing-sm); }
h3 { font-size: 1.25rem; margin-top: var(--spacing-lg); margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.05rem; margin-top: var(--spacing-md); margin-bottom: var(--spacing-xs); color: var(--color-text); }

p { margin-bottom: var(--spacing-md); }

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

/* Bare content images that are direct children of .container (events, about, etc.) */
.container > img {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    border-radius: var(--radius);
    max-width: 420px;
}

.container > img.page-banner {
    max-width: 100%;
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* --- Layout --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Header / Banner --- */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.banner {
    width: 100%;
    overflow: hidden;
}

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

.site-nav-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

/* Navigation */
.site-nav ul {
    list-style: none;
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.site-nav a {
    display: block;
    padding: 8px 14px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary);
    border-radius: var(--radius);
    transition: background var(--transition), color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
    background: var(--color-bg-light);
    color: var(--color-primary-dark);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    margin: 0 auto var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    position: absolute;
    left: 0;
    transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }

.nav-toggle.open span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

@media (max-width: 767px) {
    .nav-toggle { display: block; }

    .site-nav { display: none; width: 100%; }
    .site-nav.open { display: block; }

    .site-nav ul { flex-direction: column; }
}

/* --- Main content --- */
main {
    min-height: 50vh;
    padding: var(--spacing-xl) 0;
}

/* --- Buttons (pill style, matches live site's "LEARN MORE") --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border: 2px solid var(--color-bg);
    border-radius: var(--radius-pill);
    color: var(--color-bg);
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.btn:hover {
    background: var(--color-bg);
    color: var(--color-cta-bg);
}

/* --- Events page sign-up rows --- */
.event-slot-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    margin-bottom: 0;
}

.event-slot-header h3 {
    margin-top: 0;
    margin-bottom: 0;
}

/* --- Classes list (topics) page --- */
.topic-heading {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.content-narrow figure {
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.content-narrow figure img {
    margin-bottom: var(--spacing-xs);
    max-width: 320px;
    border-radius: var(--radius);
}

.content-narrow figcaption {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.content-narrow > img {
    border-radius: var(--radius);
    margin: var(--spacing-sm) 0 var(--spacing-md);
    max-width: 320px;
}

/* --- Classes page --- */
.classes-intro {
    text-align: center;
    max-width: 640px;
    margin: var(--spacing-lg) auto var(--spacing-xl);
}

.classes-intro-headline {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-primary);
}

.class-slot {
    margin: var(--spacing-xl) 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.class-slot-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.class-slot-header h2 {
    margin-bottom: 0;
}

.class-price {
    color: var(--color-text-light);
}

.class-seats {
    display: block;
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-top: 4px;
}

.btn-signup {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    text-transform: none;
    letter-spacing: normal;
    padding: 10px 22px;
    font-size: 0.9rem;
    border-radius: var(--radius);
}

.btn-signup:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.btn-full {
    background: var(--color-bg-alt, #eee);
    border-color: var(--color-text-light);
    color: var(--color-text-light);
    text-transform: none;
    letter-spacing: normal;
    padding: 10px 22px;
    font-size: 0.9rem;
    cursor: default;
}

.class-slot-body {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.class-slot-body img {
    width: 260px;
    flex-shrink: 0;
    border-radius: var(--radius);
}

.class-slot-body > div {
    flex: 1;
}

@media (max-width: 700px) {
    .class-slot-body {
        flex-direction: column;
    }
    .class-slot-body img {
        width: 100%;
    }
}

/* --- Footer --- */
.site-footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.footer-copyright {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* --- Galleries --- */
.gallery-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.gallery-card {
    display: flex;
    flex-direction: column;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.gallery-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.gallery-card-label {
    padding: 10px 14px;
    font-weight: 700;
}

.gallery-card-label small {
    font-weight: 400;
    color: var(--color-text-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.gallery-item img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius);
    transition: opacity var(--transition);
}

.gallery-item:hover img {
    opacity: 0.85;
}

/* --- Blog: post body (narrow reading column) --- */
.content-narrow {
    max-width: var(--max-width-narrow);
}

.post-date {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-top: calc(var(--spacing-md) * -1 + var(--spacing-xs));
    margin-bottom: var(--spacing-sm);
}

.post-body img {
    border-radius: var(--radius);
    margin-bottom: var(--spacing-md);
}

.post-body h2 {
    margin-top: var(--spacing-lg);
}

/* --- Blog: index listing --- */
.post-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.post-card {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    overflow: hidden;
}

.post-card:hover {
    background: var(--color-bg-light);
}

.post-card-img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-bg-light);
}

.post-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.post-card-body {
    padding: var(--spacing-md);
}

.post-card h2 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xs);
}

.post-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* --- Home page --- */
.home-intro {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: linear-gradient(100deg, #3a5fb0 0%, #ffffff 55%);
}

.home-intro img {
    border-radius: var(--radius);
}

.home-intro p {
    color: var(--color-primary);
    font-weight: 700;
}

@media (max-width: 700px) {
    .home-intro {
        grid-template-columns: 1fr;
    }
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.info-grid h2 {
    font-size: 1.2rem;
    text-decoration: underline;
}

.info-grid-location h2 {
    text-decoration: none;
}

.info-grid p {
    color: var(--color-primary);
    font-weight: 700;
}

.home-map {
    border-radius: var(--radius);
    margin-bottom: var(--spacing-sm);
}

.cta-band {
    background: var(--color-cta-bg);
    color: var(--color-bg);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: var(--radius);
    margin-top: var(--spacing-xl);
}

.cta-band h2 {
    color: var(--color-bg);
    margin-bottom: var(--spacing-md);
}

.btn-cta {
    border-color: var(--color-bg);
}

.cta-band p {
    color: var(--color-bg);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

/* --- Newsletter opt-in checkbox (checkout pages) + subscribe form --- */
.optin-row {
    display: block;
    margin: var(--spacing-md) 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.optin-row input {
    margin-right: 8px;
}

.subscribe-hero {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.subscribe-row {
    display: grid;
    grid-template-columns: minmax(400px, 480px) 450px;
    justify-content: start;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
}

.subscribe-row img {
    width: 450px;
    height: 340px;
    object-fit: cover;
    object-position: 100% 50%;
    border-radius: var(--radius);
}

@media (max-width: 1000px) {
    .subscribe-row {
        grid-template-columns: 1fr;
    }
    .subscribe-row img {
        width: 100%;
        height: auto;
        object-position: 50% 50%;
    }
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 420px;
    margin-top: var(--spacing-md);
}

.subscribe-form-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    align-items: center;
    gap: var(--spacing-sm);
}

.subscribe-form label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    text-align: right;
}

.subscribe-form input[type="text"],
.subscribe-form input[type="email"] {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}

.subscribe-form button {
    align-self: stretch;
    margin-top: var(--spacing-sm);
}

@media (max-width: 480px) {
    .subscribe-form-row {
        grid-template-columns: 1fr;
    }
    .subscribe-form label {
        text-align: left;
    }
}

/* --- Gallery lightbox --- */
.lightbox-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.lightbox-overlay.open {
    display: flex;
}

.lightbox-img {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    line-height: 1;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.lightbox-close:hover {
    color: var(--color-accent-orange);
}

body.lightbox-locked {
    overflow: hidden;
}