/* ============================================================================
   components.css — Single source of truth for component & layout styles
   Depends on tokens.css. Imported by both index.html and about.html.
   ============================================================================ */

/* ============================================================================
   RESET & BASE STYLES
   ============================================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--semantic-font-sans);
    background-color: var(--semantic-color-background-primary);
    color: var(--semantic-color-text-primary);
    line-height: var(--primitive-line-height-normal);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===== NAVIGATION ===== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--semantic-spacing-lg) var(--semantic-spacing-xl);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--semantic-color-background-primary);
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

nav.scrolled {
    border-bottom: 1px solid var(--semantic-color-border-primary);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: var(--semantic-spacing-sm);
    font-size: var(--primitive-font-size-sm);
    font-weight: var(--primitive-font-weight-semibold);
    letter-spacing: var(--primitive-letter-spacing-widest);
    text-transform: uppercase;
    color: var(--semantic-color-text-primary);
    text-decoration: none;
}

/* 24px avatar thumbnail before the name — sizing & radius from design tokens */
.logo-thumb {
    width: var(--semantic-spacing-lg);   /* 24px */
    height: var(--semantic-spacing-lg);  /* 24px */
    border-radius: var(--semantic-radius-full);
    object-fit: cover;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: var(--semantic-spacing-2xl);
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--semantic-color-text-primary);
    font-size: var(--primitive-font-size-sm);
    font-weight: var(--primitive-font-weight-medium);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--semantic-color-interactive-primary);
}

.nav-links a.cta-button {
    background-color: transparent;
    color: var(--semantic-color-text-primary);
    padding: var(--semantic-spacing-sm) var(--semantic-spacing-lg);
    border-radius: var(--semantic-radius-sm);
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
    border: 1px solid var(--semantic-color-border-primary);
    cursor: pointer;
    display: inline-block;
    font-weight: var(--primitive-font-weight-medium);
}

.nav-links a.cta-button:hover {
    border-color: var(--semantic-color-border-strong);
    background-color: var(--semantic-color-background-secondary);
    color: var(--semantic-color-text-primary);
}

/* Hamburger toggle — hidden on desktop, revealed under the mobile breakpoint */
.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--semantic-spacing-xs);
    background: none;
    border: none;
    color: var(--semantic-color-text-primary);
    cursor: pointer;
}

.nav-toggle__icon {
    width: var(--semantic-spacing-lg);
    height: var(--semantic-spacing-lg);
}

.nav-toggle__icon--close {
    display: none;
}

#navbar.nav-open .nav-toggle__icon--open {
    display: none;
}

#navbar.nav-open .nav-toggle__icon--close {
    display: block;
}

/* ===== MAIN CONTENT ===== */
main {
    padding-top: 120px;
}

/* Article (case-study) pages use a dedicated white reading surface.
   The navbar is intentionally left on the default surface so it reads as
   distinct chrome over the article. */
body.page--article {
    background-color: var(--semantic-color-background-article);
}

.container {
    width: 100%;
    max-width: var(--semantic-layout-container-max-width-default);
    margin: 0 auto;
    padding: 0 var(--semantic-spacing-xl);
}

.container--narrow {
    max-width: var(--semantic-layout-container-max-width-narrow);
}

/* ===== LOCATION HEADER ===== */
.location-header {
    font-family: var(--semantic-font-sans);
    font-size: var(--primitive-font-size-sm);
    font-weight: var(--primitive-font-weight-medium);
    letter-spacing: var(--primitive-letter-spacing-wide);
    text-transform: uppercase;
    color: var(--semantic-color-text-secondary);
    margin-bottom: var(--semantic-spacing-3xl);
    padding-top: var(--semantic-spacing-2xl);
}

.availability {
    margin-left: var(--semantic-spacing-sm);
}

/* ===== HERO SECTION ===== */
.hero {
    margin-bottom: var(--semantic-spacing-4xl);
    max-width: 900px;
}

.hero-title {
    font-family: var(--semantic-font-serif);
    font-size: var(--semantic-type-display-lg-font-size);
    font-weight: var(--primitive-font-weight-bold);
    line-height: var(--semantic-type-display-sm-line-height);
    color: var(--semantic-color-text-primary);
    margin-bottom: var(--semantic-spacing-lg);
    letter-spacing: var(--semantic-type-display-sm-letter-spacing);
}

.underline {
    text-decoration: underline;
    text-decoration-color: var(--semantic-color-interactive-primary);
    text-decoration-thickness: 3px;
    text-underline-offset: 6px;
}

.accent-dot {
    color: var(--semantic-color-interactive-primary);
}

.hero-description {
    font-size: var(--primitive-font-size-base);
    line-height: var(--semantic-type-body-md-line-height);
    color: var(--semantic-color-text-secondary);
    max-width: 800px;
}

/* ===== CATEGORY TAGS ===== */
.category-scroll {
    display: flex;
    gap: 0;
    overflow-x: auto;
    padding: var(--semantic-spacing-2xl) 0;
    margin-bottom: var(--semantic-spacing-4xl);
    scroll-behavior: smooth;
    align-items: center;
    flex-wrap: wrap;
}

.category-tag {
    font-family: var(--semantic-type-heading-xs-font-family);
    font-size: var(--semantic-type-heading-xs-font-size);
    font-weight: var(--semantic-type-heading-xs-font-weight);
    line-height: var(--semantic-type-heading-xs-line-height);
    letter-spacing: var(--semantic-type-heading-xs-letter-spacing);
    color: var(--semantic-color-text-primary);
    background: none;
    border: none;
    padding: 0;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.category-tag:not(:last-child)::after {
    content: " • ";
    margin: 0 var(--semantic-spacing-md);
    color: var(--semantic-color-interactive-primary);
    font-weight: var(--primitive-font-weight-regular);
}

.category-tag:hover {
    color: var(--semantic-color-interactive-primary);
}

/* ===== SECTION HEADER ===== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--semantic-spacing-2xl);
    gap: var(--semantic-spacing-lg);
}

.section-number {
    font-family: var(--semantic-type-eyebrow-md-font-family);
    font-size: var(--semantic-type-eyebrow-md-font-size);
    font-weight: var(--semantic-type-eyebrow-md-font-weight);
    color: var(--semantic-color-text-tertiary);
    margin-bottom: var(--semantic-spacing-xs);
    line-height: var(--semantic-type-eyebrow-md-line-height);
    letter-spacing: var(--semantic-type-eyebrow-md-letter-spacing);
}

.section-title {
    font-family: var(--semantic-type-eyebrow-md-font-family);
    font-size: var(--semantic-type-eyebrow-md-font-size);
    font-weight: var(--primitive-font-weight-bold);
    color: var(--semantic-color-text-primary);
    letter-spacing: var(--semantic-type-eyebrow-md-letter-spacing);
    text-transform: uppercase;
    line-height: var(--semantic-type-eyebrow-md-line-height);
}

.view-all {
    color: var(--semantic-color-interactive-primary);
    text-decoration: none;
    font-size: var(--primitive-font-size-sm);
    font-weight: var(--primitive-font-weight-medium);
    transition: color 0.3s ease;
    margin-top: var(--semantic-spacing-sm);
}

.view-all:hover {
    color: var(--semantic-color-interactive-primary-hover);
}

/* ===== SERVICES SECTION ===== */
#services {
    margin-bottom: var(--semantic-spacing-4xl);
    padding: var(--semantic-spacing-4xl) 0;
    border-top: 1px solid var(--semantic-color-border-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--semantic-spacing-3xl);
}

.service {
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-md);
}

.service-title {
    font-family: var(--semantic-font-serif);
    font-size: var(--semantic-type-heading-sm-font-size);
    font-weight: var(--primitive-font-weight-bold);
    color: var(--semantic-color-text-primary);
    letter-spacing: var(--semantic-type-heading-xs-letter-spacing);
}

.service-description {
    font-size: var(--primitive-font-size-base);
    line-height: var(--semantic-type-body-md-line-height);
    color: var(--semantic-color-text-secondary);
}

/* ===== ABOUT ME SECTION ===== */
#about-me {
    margin-bottom: var(--semantic-spacing-4xl);
    padding: var(--semantic-spacing-4xl) 0;
    border-top: 1px solid var(--semantic-color-border-secondary);
}

.about-me-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: var(--semantic-spacing-3xl);
    align-items: center;
}

.about-me-content {
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-lg);
    max-width: 560px;
}

.about-me-media {
    display: flex;
    justify-content: flex-end;
}

.about-me-image {
    width: 360px;
    height: 360px;
    display: block;
    border-radius: 50%;
    border: 1px solid var(--semantic-color-border-primary);
    object-fit: cover;
}

.about-me-title {
    font-family: var(--semantic-type-heading-lg-font-family);
    font-size: var(--semantic-type-heading-lg-font-size);
    font-weight: var(--semantic-type-heading-lg-font-weight);
    line-height: var(--semantic-type-heading-lg-line-height);
    letter-spacing: var(--semantic-type-heading-lg-letter-spacing);
    color: var(--semantic-color-text-primary);
}

.about-me-text {
    font-family: var(--semantic-type-body-md-font-family);
    font-size: var(--semantic-type-body-md-font-size);
    font-weight: var(--semantic-type-body-md-font-weight);
    line-height: var(--semantic-type-body-md-line-height);
    color: var(--semantic-color-text-secondary);
}

/* ===== WORK SECTION ===== */
#work {
    margin-bottom: var(--semantic-spacing-4xl);
    padding: var(--semantic-spacing-4xl) 0;
    border-top: 1px solid var(--semantic-color-border-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--semantic-spacing-xl);
}

.project-card {
    display: flex;
    gap: var(--semantic-spacing-xl);
    padding: var(--semantic-spacing-xl);
    background-color: var(--semantic-color-background-secondary);
    border: 1px solid var(--semantic-color-border-primary);
    border-radius: var(--semantic-radius-md);
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: var(--semantic-color-border-strong);
    box-shadow: var(--semantic-shadow-md);
}

.project-image {
    font-size: var(--primitive-font-size-5xl);
    min-width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* When a card uses an uploaded image instead of an emoji, keep it in the 80px slot */
.project-image img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--semantic-radius-sm);
}

.project-content {
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-md);
}

.project-meta {
    display: flex;
    align-items: baseline;
    gap: var(--semantic-spacing-md);
}

.project-title {
    font-family: var(--semantic-font-serif);
    font-size: var(--semantic-type-heading-sm-font-size);
    font-weight: var(--primitive-font-weight-bold);
    color: var(--semantic-color-text-primary);
    margin: 0;
    letter-spacing: var(--semantic-type-heading-xs-letter-spacing);
}

.project-year {
    font-size: var(--primitive-font-size-sm);
    color: var(--semantic-color-text-tertiary);
    font-weight: var(--primitive-font-weight-medium);
}

.project-description {
    font-size: var(--primitive-font-size-base);
    line-height: var(--semantic-type-body-md-line-height);
    color: var(--semantic-color-text-secondary);
}

.project-tags {
    display: flex;
    gap: var(--semantic-spacing-sm);
    flex-wrap: wrap;
}

.tag {
    padding: var(--semantic-spacing-xs) var(--semantic-spacing-sm);
    background-color: var(--semantic-color-background-primary);
    border: 1px solid var(--semantic-color-border-primary);
    border-radius: var(--semantic-radius-sm);
    font-size: var(--primitive-font-size-xs);
    color: var(--semantic-color-text-secondary);
    text-transform: lowercase;
    letter-spacing: var(--primitive-letter-spacing-wide);
}

/* ===== CTA SECTION ===== */
.cta-section {
    text-align: center;
    padding: var(--semantic-spacing-4xl) 0;
    margin: var(--semantic-spacing-4xl) 0;
    border-top: 1px solid var(--semantic-color-border-secondary);
    border-bottom: 1px solid var(--semantic-color-border-secondary);
}

.cta-label {
    font-size: var(--primitive-font-size-sm);
    font-weight: var(--primitive-font-weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--primitive-letter-spacing-wide);
    color: var(--semantic-color-text-secondary);
    margin-bottom: var(--semantic-spacing-md);
}

.cta-title {
    font-family: var(--semantic-font-serif);
    font-size: var(--semantic-type-heading-lg-font-size);
    font-weight: var(--primitive-font-weight-bold);
    color: var(--semantic-color-text-primary);
    margin-bottom: var(--semantic-spacing-lg);
    line-height: var(--semantic-type-display-sm-line-height);
    letter-spacing: var(--semantic-type-heading-lg-letter-spacing);
}

.cta-email {
    font-family: var(--semantic-font-serif);
    font-size: var(--primitive-font-size-xl-sm);
    color: var(--semantic-color-interactive-primary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: var(--primitive-font-weight-bold);
    letter-spacing: var(--semantic-type-heading-xs-letter-spacing);
}

.cta-email:hover {
    color: var(--semantic-color-interactive-primary-hover);
}

/* ===== FOOTER ===== */
footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--semantic-spacing-2xl) var(--semantic-spacing-xl);
    border-top: 1px solid var(--semantic-color-border-secondary);
    color: var(--semantic-color-text-secondary);
    font-size: var(--primitive-font-size-sm);
    background-color: var(--semantic-color-background-primary);
    transition: all 0.3s ease;
}

.copyright {
    color: var(--semantic-color-text-secondary);
}

.social-links {
    display: flex;
    gap: var(--semantic-spacing-xl);
}

.social-links a {
    text-decoration: none;
    color: var(--semantic-color-text-secondary);
    font-size: var(--primitive-font-size-sm);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--semantic-color-interactive-primary);
}

/* ===== THEME TOGGLE ===== */
/* ===== THEME SWITCHER ===== */
/* Floating control: collapsed shows the active theme's icon; on hover/focus
   (or tap on touch) it expands into a pill of all theme options. */
.theme-switcher {
    position: fixed;
    bottom: var(--semantic-spacing-xl);
    right: var(--semantic-spacing-xl);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: var(--semantic-spacing-xs);
    border: 1px solid var(--semantic-color-border-primary);
    border-radius: var(--semantic-radius-full);
    background-color: var(--semantic-color-background-primary);
    transition: gap 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.theme-switcher:hover,
.theme-switcher:focus-within,
.theme-switcher.is-open {
    gap: var(--semantic-spacing-xs);
    border-color: var(--semantic-color-border-strong);
}

.theme-switcher__option {
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    border-radius: var(--semantic-radius-full);
    background-color: transparent;
    color: var(--semantic-color-text-secondary);
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease, height 0.2s ease,
                background-color 0.2s ease, color 0.2s ease;
}

.theme-switcher__option:hover {
    background-color: var(--semantic-color-background-secondary);
    color: var(--semantic-color-text-primary);
}

.theme-switcher__option.is-active {
    color: var(--semantic-color-interactive-primary);
    background-color: var(--semantic-color-background-secondary);
}

.theme-switcher__option:focus-visible {
    outline: 2px solid var(--semantic-color-interactive-primary);
    outline-offset: 2px;
}

.theme-switcher__icon {
    width: 18px;
    height: 18px;
    display: block;
}

/* Collapsed: only the active option is visible */
.theme-switcher__option:not(.is-active) {
    height: 0;
    opacity: 0;
    transform: scale(0.5);
    pointer-events: none;
    overflow: hidden;
}

/* Expanded (hover / keyboard focus / tap-opened): reveal every option */
.theme-switcher:hover .theme-switcher__option:not(.is-active),
.theme-switcher:focus-within .theme-switcher__option:not(.is-active),
.theme-switcher.is-open .theme-switcher__option:not(.is-active) {
    height: 40px;
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--semantic-spacing-2xl);
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--semantic-spacing-2xl);
    }
}

@media (max-width: 968px) {
    nav,
    .container,
    footer {
        padding-left: var(--semantic-spacing-lg);
        padding-right: var(--semantic-spacing-lg);
    }

    .project-card {
        gap: var(--semantic-spacing-lg);
    }

    .hero-title {
        font-size: var(--primitive-font-size-4xl);
    }

    .cta-title {
        font-size: var(--semantic-type-heading-md-font-size);
    }

    .cta-email {
        font-size: var(--primitive-font-size-lg);
    }

    footer {
        flex-direction: column;
        gap: var(--semantic-spacing-lg);
        text-align: center;
    }

    .section-header {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    nav {
        padding: var(--semantic-spacing-md) var(--semantic-spacing-lg);
    }

    .nav-toggle {
        display: inline-flex;
    }

    /* Collapse the links into a dropdown panel below the navbar */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--semantic-spacing-lg);
        padding: var(--semantic-spacing-lg) var(--semantic-spacing-lg) var(--semantic-spacing-xl);
        font-size: var(--primitive-font-size-sm);
        background-color: var(--semantic-color-background-primary);
        border-bottom: 1px solid var(--semantic-color-border-primary);
    }

    #navbar.nav-open .nav-links {
        display: flex;
    }

    .nav-links a.cta-button {
        align-self: stretch;
        text-align: center;
    }

    .hero-title {
        font-size: var(--semantic-type-heading-lg-font-size);
    }

    .cta-title {
        font-size: var(--primitive-font-size-xl-sm);
    }

    .cta-email {
        font-size: var(--semantic-type-heading-2xs-font-size);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .category-scroll {
        margin-bottom: var(--semantic-spacing-2xl);
    }

    .theme-switcher__option {
        width: 36px;
        height: 36px;
    }

    .theme-switcher:hover .theme-switcher__option:not(.is-active),
    .theme-switcher:focus-within .theme-switcher__option:not(.is-active),
    .theme-switcher.is-open .theme-switcher__option:not(.is-active) {
        height: 36px;
    }

}

/* ===== ABOUT PAGE ===== */
.page-eyebrow {
    font-family: var(--semantic-type-eyebrow-md-font-family);
    font-size: var(--semantic-type-eyebrow-md-font-size);
    font-weight: var(--semantic-type-eyebrow-md-font-weight);
    letter-spacing: var(--semantic-type-eyebrow-md-letter-spacing);
    text-transform: uppercase;
    color: var(--semantic-color-text-tertiary);
    margin-bottom: var(--semantic-spacing-md);
}

.nav-links a.active {
    color: var(--semantic-color-interactive-primary);
}

/* Experience timeline */
.journey-section {
    padding: var(--semantic-spacing-4xl) 0;
    border-top: 1px solid var(--semantic-color-border-secondary);
}

.experience-entry {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: var(--semantic-spacing-3xl);
    padding: var(--semantic-spacing-3xl) 0;
    border-top: 1px solid var(--semantic-color-border-secondary);
}

.experience-entry:first-of-type {
    border-top: none;
    padding-top: var(--semantic-spacing-md);
}

.experience-meta {
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-sm);
}

.experience-company {
    font-family: var(--semantic-type-heading-lg-font-family);
    font-size: var(--semantic-type-heading-lg-font-size);
    font-weight: var(--semantic-type-heading-lg-font-weight);
    line-height: var(--semantic-type-heading-lg-line-height);
    letter-spacing: var(--semantic-type-heading-lg-letter-spacing);
    color: var(--semantic-color-text-primary);
    margin: 0;
}

.experience-dates {
    font-family: var(--semantic-type-eyebrow-md-font-family);
    font-size: var(--semantic-type-eyebrow-md-font-size);
    font-weight: var(--semantic-type-eyebrow-md-font-weight);
    letter-spacing: var(--semantic-type-eyebrow-md-letter-spacing);
    text-transform: uppercase;
    color: var(--semantic-color-text-tertiary);
    margin-top: var(--semantic-spacing-xs);
}

.experience-role {
    font-family: var(--semantic-type-heading-xs-font-family);
    font-size: var(--semantic-type-heading-xs-font-size);
    font-weight: var(--semantic-type-heading-xs-font-weight);
    line-height: var(--semantic-type-heading-xs-line-height);
    letter-spacing: var(--semantic-type-heading-xs-letter-spacing);
    color: var(--semantic-color-text-secondary);
    margin-top: var(--semantic-spacing-sm);
    font-style: italic;
}

.experience-description {
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-md);
}

.experience-description p {
    font-family: var(--semantic-type-body-md-font-family);
    font-size: var(--semantic-type-body-md-font-size);
    font-weight: var(--semantic-type-body-md-font-weight);
    line-height: var(--semantic-type-body-md-line-height);
    color: var(--semantic-color-text-secondary);
    margin: 0;
}

.experience-description a {
    color: var(--semantic-color-interactive-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--semantic-color-interactive-primary);
    transition: opacity 0.2s ease;
}

.experience-description a:hover {
    opacity: 0.7;
}

.cta-description {
    font-family: var(--semantic-type-body-md-font-family);
    font-size: var(--semantic-type-body-md-font-size);
    line-height: var(--semantic-type-body-md-line-height);
    color: var(--semantic-color-text-secondary);
    margin-bottom: var(--semantic-spacing-lg);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 968px) {
    .about-me-grid {
        grid-template-columns: 1fr;
        gap: var(--semantic-spacing-2xl);
    }

    .about-me-media {
        justify-content: flex-start;
    }

    .experience-entry {
        grid-template-columns: 1fr;
        gap: var(--semantic-spacing-lg);
    }

    .experience-company {
        font-size: var(--semantic-type-heading-md-font-size);
    }
}

/* ===== CLICKABLE PROJECT CARD ===== */
/* project-card is rendered as an <a> when it links to a case study */
a.project-card {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

/* ===== CASE STUDY (functional baseline — refine later) ===== */
.case-study {
    max-width: var(--semantic-layout-container-max-width-reading);
    margin-inline: auto;
    padding: var(--semantic-spacing-3xl) 0;
}

.case-back {
    display: inline-block;
    margin-bottom: var(--semantic-spacing-xl);
    font-family: var(--semantic-type-article-small-font-family);
    font-size: var(--semantic-type-article-small-font-size);
    line-height: var(--semantic-type-article-small-line-height);
    color: var(--semantic-color-text-tertiary);
    text-decoration: none;
}

.case-back:hover {
    color: var(--semantic-color-text-primary);
}

.case-header {
    margin-bottom: var(--semantic-spacing-2xl);
    padding-bottom: var(--semantic-spacing-xl);
    border-bottom: 1px solid var(--semantic-color-border-secondary);
}

.case-meta {
    display: flex;
    align-items: baseline;
    gap: var(--semantic-spacing-md);
    flex-wrap: wrap;
}

.case-title {
    font-family: var(--semantic-type-article-title-font-family);
    font-size: var(--semantic-type-article-title-font-size);
    font-weight: var(--semantic-type-article-title-font-weight);
    line-height: var(--semantic-type-article-title-line-height);
    letter-spacing: var(--semantic-type-article-title-letter-spacing);
    color: var(--semantic-color-text-primary);
    margin: 0;
}

.case-summary {
    margin-top: var(--semantic-spacing-md);
    margin-bottom: var(--semantic-spacing-md);
    font-family: var(--semantic-type-article-summary-font-family);
    font-size: var(--semantic-type-article-summary-font-size);
    line-height: var(--semantic-type-article-summary-line-height);
    color: var(--semantic-color-text-secondary);
}

.case-body {
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-lg);
}

.case-heading {
    font-family: var(--semantic-type-article-heading-font-family);
    font-size: var(--semantic-type-article-heading-font-size);
    font-weight: var(--semantic-type-article-heading-font-weight);
    line-height: var(--semantic-type-article-heading-line-height);
    letter-spacing: var(--semantic-type-article-heading-letter-spacing);
    color: var(--semantic-color-text-primary);
    margin: var(--semantic-spacing-lg) 0 0;
}

.case-paragraph {
    font-family: var(--semantic-type-article-body-font-family);
    font-size: var(--semantic-type-article-body-font-size);
    line-height: var(--semantic-type-article-body-line-height);
    color: var(--semantic-color-text-secondary);
    margin: 0;
}

.case-figure {
    margin: var(--semantic-spacing-md) 0;
}

.case-image {
    width: 100%;
    height: auto;
}

.case-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--semantic-radius-md);
    background-color: var(--semantic-color-background-secondary);
}

/* Bulleted list inside case-study body — marker tinted with the accent color */
.case-list {
    margin: 0;
    padding-left: var(--semantic-spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-sm);
}

.case-list-item {
    font-family: var(--semantic-type-article-body-font-family);
    font-size: var(--semantic-type-article-body-font-size);
    line-height: var(--semantic-type-article-body-line-height);
    color: var(--semantic-color-text-secondary);
    padding-left: var(--semantic-spacing-xs);
}

.case-list-item::marker {
    color: var(--semantic-color-interactive-primary);
}

/* Ordered (numbered) list — same indent/spacing as bulleted; marker shows numbers */
.case-list--ordered {
    list-style-type: decimal;
}

/* Iframe embed (Figma prototypes, video players, etc.) */
.case-embed {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--semantic-radius-md);
    overflow: hidden;
    border: 1px solid var(--semantic-color-border-primary);
    background-color: var(--semantic-color-background-secondary);
}

.case-embed__frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Image carousel — transform-based slider with prev/next controls */
.case-gallery {
    margin: var(--semantic-spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--semantic-spacing-md);
}

.case-gallery__viewport {
    overflow: hidden;
    border-radius: var(--semantic-radius-md);
}

.case-gallery__track {
    display: flex;
    transition: transform 0.35s ease;
    will-change: transform;
}

.case-gallery__item {
    flex: 0 0 100%;
    margin: 0;
}

.case-gallery__image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--semantic-radius-md);
    border: 1px solid var(--semantic-color-border-primary);
}

.case-gallery__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--semantic-spacing-md);
}

.case-gallery__nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--semantic-spacing-xl);
    height: var(--semantic-spacing-xl);
    padding: 0;
    border-radius: var(--semantic-radius-full);
    border: 1px solid var(--semantic-color-border-primary);
    background-color: var(--semantic-color-background-primary);
    color: var(--semantic-color-text-primary);
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.case-gallery__nav:hover {
    border-color: var(--semantic-color-border-strong);
    background-color: var(--semantic-color-background-secondary);
}

.case-gallery__nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.case-gallery__nav svg {
    width: var(--semantic-spacing-md);
    height: var(--semantic-spacing-md);
}

.case-gallery__counter {
    font-size: var(--primitive-font-size-sm);
    color: var(--semantic-color-text-tertiary);
    min-width: var(--semantic-spacing-3xl);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.case-caption {
    margin-top: var(--semantic-spacing-sm);
    font-family: var(--semantic-type-article-small-font-family);
    font-size: var(--semantic-type-article-small-font-size);
    line-height: var(--semantic-type-article-small-line-height);
    color: var(--semantic-color-text-tertiary);
}

.case-quote {
    margin: var(--semantic-spacing-md) 0;
    padding-left: var(--semantic-spacing-lg);
    border-left: 3px solid var(--semantic-color-border-strong);
}

.case-quote p {
    font-family: var(--semantic-type-article-quote-font-family);
    font-size: var(--semantic-type-article-quote-font-size);
    line-height: var(--semantic-type-article-quote-line-height);
    color: var(--semantic-color-text-primary);
    margin: 0;
}

.case-cite {
    display: block;
    margin-top: var(--semantic-spacing-sm);
    font-family: var(--semantic-type-article-small-font-family);
    font-size: var(--semantic-type-article-small-font-size);
    line-height: var(--semantic-type-article-small-line-height);
    font-style: normal;
    color: var(--semantic-color-text-tertiary);
}