/* ===== FONTS ===== */
@font-face {
    font-family: 'Neue Montreal';
    src: url('../fonts/NeueMontreal-Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ===== CSS RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Light mode colors */
    --bg: #ffffff;
    --text: #000000;
    --text-secondary: #666666;
    --border: #e0e0e0;
    --accent: #000000;
    
    /* Typography scale (1.250 ratio) */
    --text-xs: 0.64rem;
    --text-sm: 0.8rem;
    --text-base: 1rem;
    --text-lg: 1.25rem;
    --text-xl: 1.563rem;
    --text-2xl: 1.953rem;
    --text-3xl: 2.441rem;
    --text-4xl: 3.052rem;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    
    /* Layout */
    --max-width: 1440px;
    --nav-height: 80px;
}

[data-theme="dark"] {
    --bg: #0a0a0a;
    --text: #ffffff;
    --text-secondary: #999999;
    --border: #333333;
    --accent: #ffffff;
}

/* ===== TYPOGRAPHY ===== */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

a {
    color: inherit;
    text-decoration: none;
}

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--accent);
    color: var(--bg);
    padding: var(--space-xs) var(--space-sm);
    z-index: 100;
    text-decoration: none;
    opacity: 0;
}

.skip-link:focus {
    top: 0;
    opacity: 1;
}

/* ===== NAVIGATION ===== */
.nav {
    position: sticky;
    top: 0;
    background-color: var(--bg);
    z-index: 50;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav--scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .nav--scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.nav__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0;
    height: var(--nav-height);
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    column-gap: var(--space-md);
}

@media (max-width: 1440px) {
    .nav__container {
        padding: 0 var(--space-md);
    }
}

.nav__logo {
    font-family: 'Neue Montreal', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 0.875rem; /* 14px */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    position: relative;
    display: inline-block;
    padding: 6px 12px;
    margin: -6px -12px;
    margin-right: var(--space-md);
    transition: color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: var(--text);
}

.nav__logo::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background-color: var(--text);
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.nav__logo:hover {
    color: var(--bg);
}

.nav__logo:hover::before {
    height: 100%;
}

.nav__logo:focus,
.nav__logo:active {
    outline: none;
}

.nav__menu {
    display: flex;
    gap: 1.5rem; /* 24px */
    list-style: none;
    align-items: center;
    justify-content: flex-end;
    padding: 0;
    margin: 0;
}

@media (min-width: 769px) {
    .nav__menu {
        margin-right: calc(-1 * var(--space-md));
    }
}

.nav__link {
    font-size: var(--text-base);
    transition: color 0.3s ease-in-out, text-decoration 0.3s ease-in-out;
    cursor: pointer;
    position: relative;
}

.nav__link:hover,
.nav__link:focus {
    color: var(--text-secondary);
    outline: none;
}

.nav__link--active {
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
}

.nav__controls {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--text);
    font-size: var(--text-lg);
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover,
.btn-icon:focus {
    opacity: 0.6;
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Mobile menu toggle */
.nav__toggle {
    display: none;
}

@media (max-width: 768px) {
    .nav__container {
        grid-template-columns: auto 1fr auto;
        gap: var(--space-sm);
    }

    .nav__logo {
        grid-column: 1;
    }

    .nav__toggle {
        display: block;
        grid-column: 2;
        justify-self: end;
    }

    .nav__controls {
        grid-column: 3;
    }

    .nav__menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-sm);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .nav__menu--open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
}

/* ===== MAIN LAYOUT ===== */
.main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 0 0; /* 64px top */
}

@media (max-width: 1440px) {
    .main {
        padding: 4rem var(--space-md) 0;
    }
}

.section {
    margin-bottom: var(--space-xl);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
}

#contact {
    margin-bottom: 0;
}

.section.hidden {
    display: none;
}

.section.section--entering {
    opacity: 0;
    transform: translateY(20px);
}

.section.section--active {
    opacity: 1;
    transform: translateY(0);
}

.section__header {
    margin-bottom: var(--space-lg);
}

#about {
    padding-top: var(--space-md);
}

.section__title {
    margin-bottom: var(--space-sm);
}

.section__description {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    max-width: 60ch;
}

/* ===== FILTERS ===== */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.filter-btn {
    background: none;
    border: 1px solid var(--border);
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-sm);
    cursor: pointer;
    color: var(--text);
    transition: all 0.3s ease-in-out;
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn:focus {
    border-color: var(--accent);
    outline: none;
    transform: translateY(-1px);
}

.filter-btn--active {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

/* ===== PROJECT GRID ===== */
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

@media (min-width: 768px) {
    .projects {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .projects {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project {
    cursor: pointer;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.project:hover,
.project:focus-within {
    opacity: 0.7;
    transform: translateY(-2px);
}

.project--featured {
    grid-column: 1 / -1;
}

@media (min-width: 1024px) {
    .project--featured {
        grid-column: span 2;
    }
}

.project__image-container {
    position: relative;
    width: 100%;
    padding-bottom: 66.67%; /* 3:2 aspect ratio */
    background-color: var(--border);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.project__image-container .project__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project:hover .project__image-container .project__image {
    transform: scale(1.02);
}

.project .project__title {
    font-size: 1.5rem; /* 24px */
    margin-bottom: var(--space-xs);
}

.project__description {
    color: var(--text-secondary);
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
    line-height: 1.5;
}

.project__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.project__tag {
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid var(--border);
    font-size: var(--text-xs);
    text-transform: capitalize;
    transition: border-color 0.3s ease-in-out;
}

.project__tag::after {
    content: "";
}

/* ===== EXPERIMENTS GRID ===== */
.experiments {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .experiments {
        grid-template-columns: 1fr;
    }
}

.experiment {
    cursor: pointer;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

.experiment:hover,
.experiment:focus-within {
    opacity: 0.7;
    transform: translateY(-2px);
}

.experiment--featured {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .experiment--featured {
        grid-column: span 1;
    }
}

.experiment--large {
    grid-row: span 2;
}

.experiment__image-container {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 aspect ratio */
    background-color: var(--border);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}

.experiment--featured .experiment__image-container {
    padding-bottom: 56.25%; /* 16:9 for featured */
}

.experiment__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.experiment:hover .experiment__image {
    transform: scale(1.02);
}

.experiment__meta {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.experiment__category {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    padding: 4px 10px;
    border: 1px solid var(--border);
    text-transform: capitalize;
    transition: border-color 0.3s ease-in-out;
}

.experiment__date {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    padding: 4px 10px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease-in-out;
}

.experiment__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-xs);
    line-height: 1.3;
}

.experiment--featured .experiment__title {
    font-size: var(--text-2xl);
}

.experiment__excerpt {
    color: var(--text);
    font-size: var(--text-base);
    line-height: 1.6;
    flex-grow: 1;
}

/* ===== ABOUT & CONTACT ===== */
.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
}

@media (max-width: 968px) {
    .about__content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

.about__text {
    padding-right: var(--space-md);
}

.about__name {
    font-size: var(--text-4xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    line-height: 1.1;
}

.about__title {
    font-size: var(--text-2xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    font-weight: 400;
}

.about__bio {
    font-size: var(--text-base);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.about__image-container {
    width: 100%;
    background-color: #000;
}

.about__image {
    width: 100%;
    height: auto;
    display: block;
}

/* FAQ ACCORDION */
.faq {
    margin: 4rem 0; /* 64px */
}

.faq__title {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.faq__list {
    list-style: none;
}

.faq__item {
    border-bottom: 1px solid var(--border);
}

.faq__question {
    width: 100%;
    text-align: left;
    padding: var(--space-md) 0;
    background: none;
    border: none;
    font-family: inherit;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    transition: color 0.2s ease-in-out;
}

.faq__question:hover {
    color: var(--text-secondary);
}

.faq__icon {
    font-size: var(--text-xl);
    transition: transform 0.3s ease-in-out;
    flex-shrink: 0;
}

.faq__item.active .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__answer-content {
    padding: 0 0 var(--space-md) 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq__answer-content ul {
    list-style: none;
    padding: 0;
}

.faq__answer-content li {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
    position: relative;
}

.faq__answer-content li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-secondary);
}

.faq__answer-content strong {
    color: var(--text);
    font-weight: 600;
}

.contact__content {
    max-width: 65ch;
    margin-bottom: var(--space-xl);
}

.contact__links {
    list-style: none;
    font-size: var(--text-base);
}

.contact__link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s ease-in-out, text-underline-offset 0.3s ease-in-out;
}

.contact__link:hover,
.contact__link:focus {
    color: var(--text-secondary);
    text-underline-offset: 5px;
}

.contact__icon {
    font-size: var(--text-lg);
    text-decoration: none;
}

/* ===== CAROUSEL ===== */
.carousel {
    position: relative;
    width: 100%;
    margin: var(--space-2xl) 0 0 0;
    background: #0a0a0a;
    color: #ffffff;
    padding: var(--space-xl) 0;
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    width: calc(100% + var(--space-md) * 2);
}

#about .carousel {
    margin-top: 4rem; /* 64px gap from about content */
}

.carousel__header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .carousel__header {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

.carousel__title {
    font-size: var(--text-2xl);
    font-weight: 400;
    color: #ffffff;
}

.carousel__controls {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.carousel__nav-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    font-size: var(--text-lg);
}

.carousel__nav-btn:hover,
.carousel__nav-btn:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    outline: none;
}

.carousel__nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel__download {
    background: #ffffff;
    color: #000000;
    border: none;
    padding: 10px 24px;
    font-family: inherit;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
}

.carousel__download:hover,
.carousel__download:focus {
    background: #e0e0e0;
    outline: none;
    transform: translateY(-1px);
}

.carousel__viewport {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-md);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.carousel__viewport::-webkit-scrollbar {
    display: none;
}

.carousel__slide {
    flex: 0 0 80%;
    scroll-snap-align: center;
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: #000000;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: #ffffff;
}

@media (min-width: 768px) {
    .carousel__slide {
        flex: 0 0 60%;
    }
}

@media (min-width: 1024px) {
    .carousel__slide {
        flex: 0 0 50%;
    }
}

.carousel__slide:hover {
    border-color: rgba(255, 255, 255, 0.4);
}

.carousel__chapter-number {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-sm);
}

.carousel__chapter-title {
    font-size: var(--text-3xl);
    font-weight: 500;
    margin-bottom: var(--space-xs);
    line-height: 1.2;
    color: #ffffff;
}

.carousel__timeframe {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-md);
}

.carousel__achievements {
    list-style: none;
    margin-top: auto;
}

.carousel__achievement {
    font-size: var(--text-base);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-sm);
    border-left: 2px solid rgba(255, 255, 255, 0.2);
}

.carousel__progress {
    max-width: var(--max-width);
    margin: var(--space-md) auto 0;
    padding: 0 var(--space-md);
    display: flex;
    gap: var(--space-xs);
    justify-content: center;
}

.carousel__progress-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease-in-out;
}

.carousel__progress-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.carousel__progress-dot--active {
    background: #ffffff;
    width: 32px;
}

.carousel__visual {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
    border: 1px dashed rgba(255, 255, 255, 0.1);
}

.carousel__hint {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--space-xs);
}

@media (max-width: 768px) {
    .carousel__hint {
        display: block;
        margin-bottom: var(--space-sm);
    }
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--border);
    padding: var(--space-xl) 0 var(--space-lg) 0;
    margin-top: 0;
}

@media (max-width: 768px) {
    .footer {
        padding: var(--space-lg) 0;
    }
}

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

@media (max-width: 1440px) {
    .footer__container {
        padding: 0 var(--space-md);
    }
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

@media (max-width: 968px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

.footer__column h4 {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.footer__bio {
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--text);
    max-width: 35ch;
}

.footer__contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    margin-bottom: var(--space-xs);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.3s ease-in-out, text-underline-offset 0.3s ease-in-out;
}

.footer__contact-link:hover {
    color: var(--text-secondary);
    text-underline-offset: 4px;
}

.footer__contact-link > span:first-child {
    text-decoration: none;
    font-size: var(--text-base);
}

.footer__cta {
    font-size: var(--text-2xl);
    line-height: 1.3;
    font-weight: 400;
    max-width: 20ch;
}

.footer__cta em {
    font-style: italic;
    font-weight: 300;
}

.footer__logo-large {
    font-family: 'Neue Montreal', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    line-height: 0.85;
    color: #000000;
    margin: var(--space-lg) 0;
    user-select: none;
    overflow: hidden;
}

[data-theme="dark"] .footer__logo-large {
    color: #ffffff;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-md);
    padding-top: var(--space-md);
}

@media (max-width: 768px) {
    .footer__bottom {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
    }

    .footer__location {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

.footer__location {
    display: flex;
    gap: var(--space-sm);
}

/* ===== PROJECT SHOWCASE ===== */
.project-page {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
}

.project-page.hidden {
    display: none;
}

.project-page.section--entering {
    opacity: 0;
    transform: translateY(20px);
}

.project-page.section--active {
    opacity: 1;
    transform: translateY(0);
}

.project-container {
    width: 100%;
    padding: 4rem 0 var(--space-xl); /* 64px top */
}

.project__back {
    max-width: var(--max-width);
    margin: 0 auto var(--space-md);
    padding: 0;
    width: 100%;
}

@media (max-width: 1440px) {
    .project__back {
        padding: 0 var(--space-md);
    }
}

.project__back-btn {
    background: none;
    border: 1px solid var(--border);
    font-size: var(--text-sm);
    cursor: pointer;
    color: var(--text);
    padding: var(--space-xs) var(--space-sm);
    transition: all 0.3s ease;
    font-family: inherit;
}

.project__back-btn:hover {
    border-color: var(--accent);
    transform: translateX(-2px);
}

.project__header {
    max-width: var(--max-width);
    margin: 0 auto var(--space-lg);
    padding: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
}

@media (max-width: 1440px) {
    .project__header {
        padding: 0 var(--space-md);
    }
}

.project__info {
    flex: 1;
}

.project__info .project__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.project__subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.project__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.project__tag {
    padding: 4px 10px;
    border: 1px solid var(--border);
    font-size: var(--text-xs);
    text-transform: capitalize;
}

.project__toggle {
    background: none;
    border: 1px solid var(--border);
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-sm);
    cursor: pointer;
    color: var(--text);
    font-family: inherit;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.project__toggle:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

/* PROJECT CONTENT - Transforms between two states */
.project__content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* When expanded, split into two columns */
.project-container.expanded .project__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: 0;
}

@media (max-width: 1440px) {
    .project-container.expanded .project__content {
        padding: 0 var(--space-md);
    }
}

.project__images {
    width: 100%;
    padding: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 1440px) {
    .project__images {
        padding: 0 var(--space-md);
    }
}

.project-container.expanded .project__images {
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.project__images > div {
    width: 100%;
    margin-bottom: var(--space-lg);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-container.expanded .project__images > div {
    margin-bottom: 0;
}

/* Hide all but first image in hero state */
.project__images > div:not(:first-child) {
    display: none;
}

.project-container.expanded .project__images > div:not(:first-child) {
    display: block;
}

.project__images img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 70vh;
    object-fit: cover;
}

.project-container.expanded .project__images img {
    max-height: none;
    object-fit: contain;
}

.project__text {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: sticky;
    top: calc(var(--nav-height) + var(--space-md));
    align-self: start;
}

.project__text.hidden {
    display: none;
}

.project-container.expanded .project__text {
    display: block;
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s, 
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
}

.project__text h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
    margin-top: var(--space-lg);
}

.project__text h2:first-child {
    margin-top: 0;
}

.project__text p {
    line-height: 1.7;
    margin-bottom: var(--space-md);
    color: var(--text);
}

.project__metadata {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.project__metadata-item {
    margin-bottom: var(--space-md);
}

.project__metadata-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.project__metadata-value {
    font-size: var(--text-base);
    color: var(--text);
}

@media (max-width: 768px) {
    .project-container {
        padding: var(--space-md) 0;
    }

    .project__header {
        flex-direction: column;
        margin-bottom: var(--space-md);
    }

    .project__info .project__title {
        font-size: var(--text-2xl);
    }

    .project__images img {
        max-height: 50vh;
    }

    .project-container.expanded .project__content {
        grid-template-columns: 1fr;
    }

    .project__text {
        position: relative;
        top: 0;
    }
}

/* ===== UTILITY ===== */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===== LOADING STATE ===== */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    color: var(--text-secondary);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--text-secondary);
}

/* ===== ADMIN PANEL ===== */
.admin-panel {
    position: fixed;
    top: var(--nav-height);
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 600px;
    background: var(--bg);
    border-left: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
    z-index: 100;
    overflow-y: auto;
    padding: var(--space-md);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0);
}

.admin-panel--open {
    transform: translateX(0);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .admin-panel--open {
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
}

.admin-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

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

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-xs) var(--space-sm);
    font-family: inherit;
    font-size: var(--text-base);
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-textarea {
    min-height: 200px;
    resize: vertical;
}

.btn {
    padding: var(--space-xs) var(--space-md);
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
    font-family: inherit;
    font-size: var(--text-base);
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.btn:hover,
.btn:focus {
    opacity: 0.8;
    outline: none;
}

.btn--secondary {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

@media (max-width: 768px) {
    .admin-panel {
        max-width: 100%;
    }
}