/* ============================================
   Bobby Speaker Portfolio - Main Stylesheet
   ============================================ */

/* Fluid Background Blob */
.fluid-blob {
    position: fixed;
    top: 0;
    left: 0;
    width: 1000px;
    height: 1000px;
    z-index: 50;
    pointer-events: none;
    transform: translate(-50%, -50%);
    overflow: visible;
}

@media (max-width: 768px) {
    .fluid-blob {
        width: 800px;
        height: 800px;
    }
}

/* CSS Variables */
:root {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #161616;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-accent: #4a90e2;
    --color-border: #222222;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    --spacing-2xl: 120px;

    --max-width: 1400px;
    --transition: all 0.3s ease;

    --nav-height: 85px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ============================================
   Navigation
   ============================================ */

/* Content mask - no longer needed, using scroll container approach */
.nav-content-mask {
    display: none;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    border-bottom: 1px solid var(--color-border);
}

/* Page scroll container - clips content to below nav so blob shows through nav area */
.page-scroll-container {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 200;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 26px var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    padding: 12px;
    margin: -12px;
}

.logo-img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu.active ~ .page-scroll-container {
    display: none;
}

.mobile-link {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
}

/* ============================================
   Main Content
   ============================================ */
.main {
    min-height: calc(100vh - var(--nav-height));
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: calc(100vh - 65px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 8vw, var(--font-size-4xl));
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-accent);
    color: var(--color-text);
    font-weight: 600;
    border-radius: 8px;
}

.hero-cta:hover {
    background: #5a9ff0;
    transform: translateY(-2px);
}

/* ============================================
   Homepage - Marquee
   ============================================ */
.marquee-section {
    padding: 6% 0 3%;
    overflow: hidden;
}

.marquee-track {
    display: flex;
    white-space: nowrap;
    width: max-content;
}

.marquee-text {
    font-size: 11vw;
    font-weight: 700;
    color: var(--color-text);
    padding-right: 0.5em;
    flex-shrink: 0;
}


@media (max-width: 768px) {
    .marquee-section {
        padding: 18% 0 3%;
    }

    .marquee-text {
        font-size: 20vw;
    }
}

/* ============================================
   Homepage - Intro
   ============================================ */
.intro-section {
    padding: var(--spacing-lg) 180px;
    text-align: center;
}

.intro-text {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .intro-section {
        text-align: left;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .intro-text {
        font-size: var(--font-size-lg);
    }
}

/* ============================================
   Homepage - Carousel
   ============================================ */
.carousel-section {
    padding: 3% 0;
    overflow: hidden;
}

.carousel {
    position: relative;
    width: 100%;
}

.carousel-track {
    display: flex;
    gap: 4px;
    width: max-content;
    animation: carousel-scroll 80s linear infinite;
}

.carousel-slide {
    flex-shrink: 0;
    height: 600px;
}

.carousel-slide img {
    height: 100%;
    width: auto;
    object-fit: cover;
}

@keyframes carousel-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@media (max-width: 1200px) {
    .carousel-slide {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .carousel-slide {
        height: 400px;
    }

    .carousel-track {
        animation-duration: 80s;
    }
}

@media (max-width: 480px) {
    .carousel-slide {
        height: 300px;
    }

    .carousel-track {
        animation-duration: 60s;
    }
}

/* ============================================
   Homepage - Specialty Sections
   ============================================ */
.specialty-section {
    padding: 180px;
}

.specialty-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.specialty-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.specialty-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1;
}

.specialty-content p {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.8;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-text);
    color: var(--color-text);
}

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

.specialty-section--last {
    padding-bottom: 240px;
}

@media (max-width: 768px) {
    .specialty-section {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .specialty-section--last {
        padding-bottom: var(--spacing-xl);
    }

    .specialty-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .specialty-header {
        gap: var(--spacing-md);
    }

    .specialty-title {
        font-size: var(--font-size-2xl);
    }
}

/* ============================================
   Homepage - Social Links
   ============================================ */
.social-section {
    padding: var(--spacing-lg) var(--spacing-md);
}

.social-links {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--color-text-muted);
    transition: var(--transition);
}

.social-link:hover {
    color: var(--color-text);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-dark {
    background: var(--color-bg-secondary);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--color-text-muted);
}

/* ============================================
   Portfolio Grid
   ============================================ */
.portfolio-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 768px) {
    .portfolio-filters {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: var(--spacing-xs);
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .portfolio-filters::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        flex-shrink: 0;
    }
}

.filter-btn {
    padding: 10px 20px;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover {
    color: var(--color-text);
}

.filter-btn.active {
    color: var(--color-text);
    position: relative;
}

.filter-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-text);
}

/* Masonry Grid */
.portfolio-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.portfolio-grid .portfolio-item {
    width: calc(33.333% - 20px);
    margin: 0 10px 20px;
}

@media (max-width: 1024px) {
    .portfolio-grid .portfolio-item {
        width: calc(50% - 20px);
    }
}

@media (max-width: 600px) {
    .portfolio-grid .portfolio-item {
        width: calc(100% - 20px);
    }
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    background: var(--color-bg-card);
    display: block;
}

.portfolio-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s cubic-bezier(0.215, 0.61, 0.355, 1),
                filter 0.4s ease;
}

.portfolio-item:hover img {
    transform: scale(1.03);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    transition: background 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.portfolio-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: #fff;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item:hover .portfolio-title {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-category {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease 0.1s, transform 0.4s ease 0.1s;
}

.portfolio-item:hover .portfolio-category {
    opacity: 1;
    transform: translateY(0);
}

/* Hidden state for filtering */
.portfolio-item.hidden {
    display: none;
}

/* Mobile: show metadata when item is in focus (center of viewport) */
@media (max-width: 768px) {
    .portfolio-overlay {
        padding: var(--spacing-md);
    }

    .portfolio-item:hover .portfolio-overlay,
    .portfolio-item:hover .portfolio-title,
    .portfolio-item:hover .portfolio-category {
        /* Disable hover effects on mobile */
    }

    .portfolio-item.in-focus .portfolio-overlay {
        background: rgba(0, 0, 0, 0.5);
    }

    .portfolio-item.in-focus .portfolio-title,
    .portfolio-item.in-focus .portfolio-category {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Project Page
   ============================================ */
.project-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-xl) var(--spacing-md);
}

.project-hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.project-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--color-bg) 0%, rgba(10,10,10,0.5) 50%, rgba(10,10,10,0.3) 100%);
}

.project-hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

.project-title {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-3xl));
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-meta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.project-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-meta-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-meta-value {
    font-weight: 500;
}

.project-content {
    padding: var(--spacing-xl) var(--spacing-md);
}

.project-description {
    max-width: 800px;
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.case-study {
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.case-study-paragraph {
    font-size: var(--font-size-lg);
    line-height: 1.9;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.case-study-paragraph:last-child {
    margin-bottom: 0;
}

.case-study-image {
    margin: var(--spacing-lg) 0;
    border-radius: 8px;
    overflow: hidden;
}

.case-study-image img {
    width: 100%;
    height: auto;
    display: block;
}

.project-gallery {
    display: grid;
    gap: var(--spacing-md);
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-card);
}

.gallery-item img {
    width: 100%;
    height: auto;
}

/* ============================================
   Page Styles (About, Contact)
   ============================================ */
.page-header {
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-xl);
    text-align: center;
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md) var(--spacing-xl);
}

.page-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-divider {
    color: var(--color-text-muted);
    opacity: 0.5;
}

.footer-claude {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-claude a {
    color: var(--color-text-muted);
}

.footer-claude a:hover {
    color: var(--color-text);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-social a {
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
}

.footer-social a:hover {
    color: var(--color-text);
}

.footer-social svg {
    display: block;
}

@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
}

/* ============================================
   404 Page
   ============================================ */
.error-page {
    min-height: calc(100vh - 65px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-md);
}

.error-code {
    font-size: 120px;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
}

.error-message {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Utilities
   ============================================ */
.text-muted {
    color: var(--color-text-muted);
}

.text-accent {
    color: var(--color-accent);
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============================================
   Case Study Template
   ============================================ */

/* Theme Colors */
:root {
    --cs-navy: #0D2159;
    --cs-navy-light: #142a6b;
    --cs-accent-blue: #4A90E2;
    --cs-bg-light: #f5f5f5;
    --cs-text-light: #ffffff;
    --cs-text-dark: #1a1a1a;
    --cs-text-muted-light: rgba(255, 255, 255, 0.7);
    --cs-text-muted-dark: #666666;
}

/* Hero Section */
.cs-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--nav-height));
    padding: var(--spacing-2xl) var(--spacing-md);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.cs-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.cs-hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--cs-text-light);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.cs-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--cs-text-muted-light);
    font-weight: 400;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
}

/* Dark text variant for light backgrounds */
.cs-hero--dark-text .cs-hero-title {
    color: var(--cs-text-dark);
    text-shadow: none;
}

.cs-hero--dark-text .cs-hero-subtitle {
    color: var(--cs-text-muted-dark);
    text-shadow: none;
}

.cs-hero--dark-text .cs-hero-scroll-indicator {
    color: var(--cs-text-dark);
}

.cs-hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--cs-text-light);
    opacity: 0.7;
    animation: bounce 2s ease-in-out infinite;
    transition: opacity 0.3s ease;
}

.cs-hero-scroll-indicator svg {
    width: 32px;
    height: 32px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(10px);
    }
    60% {
        transform: translateX(-50%) translateY(5px);
    }
}

@media (max-width: 768px) {
    .cs-hero {
        min-height: 50vh;
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .cs-hero-scroll-indicator {
        bottom: 24px;
    }

    .cs-hero-scroll-indicator svg {
        width: 24px;
        height: 24px;
    }
}

/* Overview / Metadata Section */
.cs-overview {
    background: var(--cs-bg-light);
    padding: 180px 180px;
}

@media (max-width: 1200px) {
    .cs-overview {
        padding: 120px 80px;
    }
}

@media (max-width: 768px) {
    .cs-overview {
        padding: 80px 24px;
    }
}

.cs-overview-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;
}

@media (max-width: 1200px) {
    .cs-overview-container {
        gap: 80px;
    }
}

@media (max-width: 900px) {
    .cs-overview-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

.cs-overview-left,
.cs-overview-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.cs-meta-block {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.cs-meta-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cs-text-muted-dark);
}

.cs-meta-value {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--cs-text-dark);
}

.cs-meta-value--accent {
    color: var(--cs-text-dark);
    font-weight: 500;
}

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

.cs-meta-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cs-meta-list li {
    font-size: 1.125rem;
}

.cs-overview-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--cs-text-muted-dark);
}

/* Section Base Styles */
.cs-section {
    padding: 180px 180px;
}

@media (max-width: 1200px) {
    .cs-section {
        padding: 120px 80px;
    }
}

@media (max-width: 768px) {
    .cs-section {
        padding: 80px 24px;
    }
}

.cs-section--dark {
    color: var(--cs-text-light);
}

.cs-section--dark p {
    color: var(--cs-text-muted-light);
}

/* Dark text variant for light colored dark sections */
.cs-section--dark.cs-section--dark-text {
    color: var(--cs-text-dark);
}

.cs-section--dark.cs-section--dark-text p {
    color: var(--cs-text-dark);
}

.cs-section--dark.cs-section--dark-text .cs-section-header {
    color: var(--cs-text-dark);
}

/* Grouped sections - remove bottom padding when consecutive same-background sections */
.cs-section--grouped {
    padding-bottom: 0;
}

.cs-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.cs-section-header {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.cs-section--dark .cs-section-header {
    color: var(--cs-text-light);
}

/* Intro Text Section */
.cs-intro-text {
    max-width: 900px;
    margin: 0 auto;
}

.cs-intro-text p {
    font-size: 1.125rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.cs-intro-text p:last-child {
    margin-bottom: 0;
}

/* Two Column Layout */
.cs-two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;
    align-items: start;
}

@media (max-width: 1200px) {
    .cs-two-column {
        gap: 80px;
    }
}

@media (max-width: 900px) {
    .cs-two-column {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

.cs-two-column-left p,
.cs-two-column-right p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.cs-two-column-left p:last-child,
.cs-two-column-right p:last-child {
    margin-bottom: 0;
}

/* Header in left column variant - aligns header with right column content */
.cs-two-column--header-left .cs-two-column-left .cs-section-header {
    margin-bottom: 0;
}

.cs-inline-image {
    margin: var(--spacing-md) 0;
    border-radius: 8px;
    overflow: hidden;
}

.cs-inline-image--padded {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    padding: 0;
}

.cs-inline-image--padded img {
    width: 100%;
    height: auto;
}

.cs-inline-image img {
    width: 100%;
    height: auto;
    display: block;
}

.cs-image-caption {
    display: block;
    font-size: 0.875rem;
    color: var(--cs-text-muted-dark);
    margin-top: var(--spacing-xs);
}

.cs-section--dark .cs-image-caption {
    color: var(--cs-text-muted-light);
}

/* Full Width Image Section */
.cs-section--full-image {
    padding: 0;
    margin-top: 2px;
}

.cs-section--full-image:first-of-type {
    margin-top: 0;
}

/* Padded variant - light background with padding for UI screenshots */
.cs-section--full-image.cs-section--padded {
    padding: 100px 180px;
    background-color: var(--section-bg, #fafafa);
    margin-top: 0;
}

.cs-section--full-image.cs-section--padded .cs-full-image {
    max-width: var(--max-width);
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .cs-section--full-image.cs-section--padded {
        padding: 80px 80px;
    }
}

@media (max-width: 768px) {
    .cs-section--full-image.cs-section--padded {
        padding: 60px 24px;
    }
}

.cs-full-image {
    max-width: 100%;
}

.cs-full-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Image Grid */
.cs-image-grid {
    display: grid;
    gap: var(--spacing-md);
}

.cs-image-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.cs-image-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.cs-image-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
    .cs-image-grid--3,
    .cs-image-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .cs-image-grid--2,
    .cs-image-grid--3,
    .cs-image-grid--4 {
        grid-template-columns: 1fr;
    }
}

.cs-grid-item {
    border-radius: 8px;
    overflow: hidden;
}

.cs-grid-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Showcase Section */
.cs-showcase-description {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
}

.cs-showcase-images {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.cs-showcase-item {
    border-radius: 8px;
    overflow: hidden;
    flex: 1 1 300px;
    max-width: 400px;
}

.cs-showcase-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* Documentation Section */
.cs-section--docs {
    padding: var(--spacing-xl) var(--spacing-md);
}

.cs-docs-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.cs-docs-description {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.cs-docs-subsection {
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--cs-accent-blue);
}

.cs-docs-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.cs-docs-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.cs-docs-image {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
    padding: var(--spacing-md);
}

.cs-docs-image img {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.cs-docs-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cs-text-muted-light);
}

/* Closing Text Section */
.cs-closing-text p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.cs-closing-text p:last-child {
    margin-bottom: 0;
}

/* Navigation Section */
/* Case Study Footer */
.cs-footer {
    padding: var(--spacing-lg) 180px;
}

@media (max-width: 1200px) {
    .cs-footer {
        padding: var(--spacing-lg) 80px;
    }
}

@media (max-width: 768px) {
    .cs-footer {
        padding: var(--spacing-lg) 24px;
    }
}

.cs-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.cs-nav-container > * {
    flex: 1;
}

.cs-nav-container > *:first-child {
    text-align: left;
}

.cs-nav-container > *:last-child {
    display: flex;
    justify-content: flex-end;
}

.cs-nav-container > *:nth-child(2) {
    text-align: center;
    flex: 0;
}

.cs-nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
}

.cs-nav-link:hover {
    opacity: 0.7;
}

.cs-nav-link svg {
    stroke: var(--color-text);
}

.cs-nav-grid {
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-nav-grid svg {
    stroke: var(--color-text-muted);
}

/* Video Elements */
.cs-video {
    margin: var(--spacing-md) 0;
    border-radius: 8px;
    overflow: hidden;
}

.cs-video video {
    width: 100%;
    height: auto;
    display: block;
}

.cs-full-image video {
    width: 100%;
    height: auto;
    display: block;
}

/* Three Column Section */
.cs-section--three-column {
    padding: 0;
}

.cs-section--three-column + .cs-section--three-column {
    margin-top: 2px;
}

.cs-section--three-column .cs-container {
    padding: 180px 180px 60px 180px;
}

@media (max-width: 1200px) {
    .cs-section--three-column .cs-container {
        padding: 120px 80px 40px 80px;
    }
}

@media (max-width: 768px) {
    .cs-section--three-column .cs-container {
        padding: 80px 24px 24px 24px;
    }
}

.cs-section-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--cs-text-muted-dark);
    margin-top: var(--spacing-sm);
}

.cs-section--dark .cs-section-description {
    color: var(--cs-text-muted-light);
}

.cs-three-column {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
}

.cs-three-column-item {
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.cs-three-column-item video,
.cs-three-column-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 900px) {
    .cs-three-column {
        grid-template-columns: 1fr;
    }

    .cs-three-column-item {
        aspect-ratio: auto;
    }

    .cs-three-column-item video,
    .cs-three-column-item img {
        height: auto;
        object-fit: contain;
    }
}

/* Gallery/Carousel Section */
.cs-section--gallery {
    padding: 180px 0;
    overflow: hidden;
}

.cs-section--gallery-compact {
    padding: 60px 0;
}

/* Gallery with grouped class - no bottom padding */
.cs-section--gallery.cs-section--grouped {
    padding-bottom: 0;
}

.cs-section--gallery-compact.cs-section--grouped {
    padding-bottom: 0;
}

@media (max-width: 1200px) {
    .cs-section--gallery {
        padding: 120px 0;
    }
    .cs-section--gallery-compact {
        padding: 40px 0;
    }
}

@media (max-width: 768px) {
    .cs-section--gallery {
        padding: 80px 0;
    }
    .cs-section--gallery-compact {
        padding: 30px 0;
    }
}

.cs-section--gallery .cs-container {
    padding: 0 180px;
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 1200px) {
    .cs-section--gallery .cs-container {
        padding: 0 80px;
    }
}

@media (max-width: 768px) {
    .cs-section--gallery .cs-container {
        padding: 0 24px;
    }
}

/* Gallery Marquee */
.cs-gallery-marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.cs-gallery-track {
    display: flex;
    gap: 4px;
    animation: cs-gallery-scroll 40s linear infinite;
    width: max-content;
}

@keyframes cs-gallery-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.cs-gallery-slide {
    flex: 0 0 auto;
    width: 1000px;
    border-radius: 8px;
    overflow: hidden;
}

@media (max-width: 768px) {
    .cs-gallery-slide {
        width: 85vw;
    }
}

@media (max-width: 480px) {
    .cs-gallery-slide {
        width: 90vw;
    }
}

.cs-gallery-slide img {
    width: 100%;
    height: auto;
    display: block;
}

/* Process Section (Yellow Background) */
.cs-section--process {
    padding: var(--spacing-xl) 0;
    color: var(--cs-text-light);
}

.cs-section--process .cs-container {
    padding: 0 180px;
}

@media (max-width: 1200px) {
    .cs-section--process .cs-container {
        padding: 0 80px;
    }
}

@media (max-width: 768px) {
    .cs-section--process .cs-container {
        padding: 0 24px;
    }
}

.cs-process-main-header {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.cs-process-phase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 900px) {
    .cs-process-phase {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

.cs-process-header {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.cs-process-description {
    font-size: var(--font-size-base);
    line-height: 1.7;
}

.cs-process-steps {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cs-process-step {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm) 0;
    border-left: 2px solid rgba(255, 255, 255, 0.3);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.cs-process-step-title {
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: 4px;
}

.cs-process-step-text {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    opacity: 0.8;
}

/* Dark text variant for process sections with light backgrounds */
.cs-section--process.cs-section--dark-text {
    color: var(--cs-text-dark);
}

.cs-section--process.cs-section--dark-text .cs-process-step {
    border-left-color: rgba(0, 0, 0, 0.2);
}

/* ============================================
   Process Page Styles
   ============================================ */

/* Process Page Container */
.process-hero .container,
.phases-intro .container {
    padding-left: 80px;
    padding-right: 80px;
}

@media (max-width: 768px) {
    .process-hero .container,
    .phases-intro .container {
        padding-left: 24px;
        padding-right: 24px;
    }
}

/* Process Hero */
.process-hero {
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.process-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;
    align-items: start;
}

.process-hero-image img {
    width: 100%;
}

.process-hero-content {
    padding-top: var(--spacing-md);
}

.process-label {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.process-hero-content h1 {
    font-size: 38px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.process-description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* What I Do Section (inside hero) */
.what-i-do {
    margin-top: var(--spacing-lg);
}

.section-label {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.skills-column p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text);
    margin: 0;
}

@media (max-width: 1200px) {
    .process-hero-grid {
        gap: 80px;
    }
}

@media (max-width: 900px) {
    .process-hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .process-hero-image {
        max-width: 500px;
    }

    .process-hero-content h1 {
        font-size: var(--font-size-2xl);
    }
}

/* Phases Intro */
.phases-intro {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.phases-intro h2 {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    max-width: 700px;
}

/* Process Rows - Checkerboard Layout */
.process-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.process-panel {
    padding: 120px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.process-panel--phase {
    background: transparent;
    border-top: 1px solid var(--color-border);
}

.process-panel--phase .phase-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.process-panel--phase p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.process-panel--phase p:last-child {
    margin-bottom: 0;
}

/* Testimonial Panels */
.process-panel--testimonial {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.process-panel--blue {
    background: #1a365d;
}

.process-panel--brown {
    background: #744210;
}

.process-panel--green {
    background: #22543d;
}

.process-panel--purple {
    background: #4a235a;
}

.testimonial {
    max-width: 100%;
    text-align: left;
}

.testimonial p {
    font-size: var(--font-size-lg);
    font-style: italic;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.testimonial cite {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-style: normal;
}

.testimonial-name {
    font-weight: 600;
    font-size: var(--font-size-base);
}

.testimonial-company {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

@media (max-width: 900px) {
    .process-row {
        grid-template-columns: 1fr;
    }

    .process-row--reverse {
        display: flex;
        flex-direction: column-reverse;
    }

    .process-panel {
        padding: 80px 40px;
    }
}

@media (max-width: 768px) {
    .process-panel {
        padding: 60px 24px;
    }

    .testimonial p {
        font-size: var(--font-size-base);
    }
}

/* Phase Section - 50/50 header/content split */
.phase-section {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.phase-section .container {
    padding-left: 80px;
    padding-right: 80px;
}

.phase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;
    align-items: start;
}

.phase-section .phase-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.phase-content p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.phase-content p:last-child {
    margin-bottom: 0;
}

@media (max-width: 1200px) {
    .phase-grid {
        gap: 80px;
    }
}

@media (max-width: 900px) {
    .phase-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .phase-section .container {
        padding-left: 24px;
        padding-right: 24px;
    }
}

/* Clients Section - Infinite Scroll */
.clients-section {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    overflow: hidden;
}

.clients-track {
    display: flex;
    gap: 80px;
    align-items: center;
    animation: clients-scroll 13s linear infinite;
    width: max-content;
}

.clients-track img {
    height: 32px;
    width: auto;
    opacity: 0.5;
    transition: var(--transition);
    filter: brightness(0) invert(1);
    flex-shrink: 0;
}

.clients-track img:hover {
    opacity: 0.8;
}

@keyframes clients-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .clients-track {
        gap: 50px;
    }

    .clients-track img {
        height: 24px;
    }
}

/* ============================================
   Responsive Nav Text (Previous/Next)
   ============================================ */
.nav-text-short {
    display: none;
}

@media (max-width: 768px) {
    .nav-text-full {
        display: none;
    }
    .nav-text-short {
        display: inline;
    }
}

/* ============================================
   Image Loading Spinners
   ============================================ */
.img-loader-wrapper {
    position: relative;
    display: block;
}

/* Preserve sizing in carousels and galleries */
.carousel-slide .img-loader-wrapper,
.cs-gallery-slide .img-loader-wrapper {
    height: 100%;
    width: 100%;
}

.img-loader-wrapper img {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.img-loader-wrapper img.loaded {
    opacity: 1;
}

.img-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    pointer-events: none;
    z-index: 1;
}

/* Light spinner for dark backgrounds */
.img-loader--light {
    color: rgba(255, 255, 255, 0.6);
}

/* Dark spinner for light backgrounds */
.img-loader--dark {
    color: rgba(0, 0, 0, 0.3);
}

.img-loader-wrapper img.loaded + .img-loader {
    display: none;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Video Loading Spinners */
.video-loader-wrapper {
    position: relative;
    display: block;
}

.video-loader-wrapper video {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-loader-wrapper video.loaded {
    opacity: 1;
}

.video-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    pointer-events: none;
    z-index: 1;
}

/* Light spinner for dark backgrounds */
.video-loader--light {
    color: rgba(255, 255, 255, 0.6);
}

/* Dark spinner for light backgrounds */
.video-loader--dark {
    color: rgba(0, 0, 0, 0.3);
}

.video-loader-wrapper video.loaded + .video-loader {
    display: none;
}