:root {
    --black: #0a0a0a;
    --white: #fff;
    --cream: #f8f6f1;
    --orange: #e54d2e;
    --gray: #555;
    --light-gray: #e0e0e0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Mono', monospace;
    background: var(--cream);
    color: var(--black);
    overflow-x: hidden;
}

::selection {
    background: var(--orange);
    color: var(--white);
}

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

/* Nav */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--cream);
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 1rem 4rem;
    background: rgba(248, 246, 241, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--light-gray);
}

.nav-name {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--black);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--black);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--orange);
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray);
    margin-bottom: 3rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--orange);
    gap: 1.25rem;
}

.back-link svg {
    width: 14px;
    height: 14px;
}

/* Project hero */
.project-hero {
    padding: 9rem 4rem 5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-eyebrow {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--orange);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.project-eyebrow .dot {
    width: 4px;
    height: 4px;
    background: var(--orange);
    border-radius: 50%;
}

.project-name {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 9vw, 7rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.project-name .italic {
    font-style: italic;
    color: var(--orange);
}

.project-tagline-big {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    font-style: italic;
    color: var(--gray);
    line-height: 1.5;
    margin-bottom: 3.5rem;
    max-width: 750px;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border: 1px solid var(--black);
    transition: all 0.3s ease;
}

.project-link.primary {
    background: var(--black);
    color: var(--white);
}

.project-link.primary:hover {
    background: var(--orange);
    border-color: var(--orange);
}

.project-link:hover {
    background: var(--black);
    color: var(--white);
}

.project-link svg {
    width: 13px;
    height: 13px;
}

/* Body sections */
.project-body {
    padding: 4rem 4rem 6rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-section {
    padding: 4rem 0;
    border-top: 1px solid var(--light-gray);
}

.project-section:first-child {
    border-top: none;
    padding-top: 0;
}

.section-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--orange);
    margin-bottom: 1.5rem;
}

.section-headline {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 2.5rem;
    max-width: 850px;
}

.section-headline .italic {
    font-style: italic;
    color: var(--orange);
}

.prose {
    max-width: 720px;
}

.prose p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.prose p strong {
    color: var(--black);
    font-weight: 700;
}

.prose p em {
    color: var(--black);
    font-style: italic;
}

.pullquote {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    line-height: 1.4;
    color: var(--black);
    padding: 2rem 0 2rem 2.5rem;
    border-left: 2px solid var(--orange);
    margin: 3rem 0;
    max-width: 850px;
}

/* Image / figure */
.project-figure {
    margin: 3rem 0;
}

.project-figure img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--light-gray);
    background: var(--white);
}

.project-figure figcaption {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 1rem;
    line-height: 1.6;
    text-align: center;
    font-style: italic;
}

.figure-narrow {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.figure-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 3rem 0;
}

.figure-row .project-figure {
    margin: 0;
}

/* Feature blocks */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    padding: 2.25rem;
    background: var(--white);
    border: 1px solid var(--light-gray);
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--orange);
    transform: translateY(-4px);
}

.feature-number {
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    color: var(--orange);
    margin-bottom: 1.25rem;
}

.feature h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.feature p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.7;
}

/* Stack section */
.stack-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.stack-item {
    padding: 1.5rem 1.25rem;
    background: var(--white);
    border: 1px solid var(--light-gray);
}

.stack-item .label {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--orange);
    margin-bottom: 0.6rem;
}

.stack-item .value {
    font-family: 'Playfair Display', serif;
    font-size: 1.05rem;
    line-height: 1.3;
}

/* Personas (Marginalia) */
.personas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
}

.persona {
    padding: 2rem;
    background: var(--white);
    border-left: 2px solid var(--orange);
    border-top: 1px solid var(--light-gray);
    border-right: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
}

.persona h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.persona p {
    font-size: 0.85rem;
    color: var(--gray);
    line-height: 1.65;
}

/* Next project */
.next-project {
    background: var(--black);
    color: var(--white);
    padding: 8rem 4rem;
    text-align: center;
}

.next-project .label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--orange);
    margin-bottom: 1.75rem;
    display: block;
}

.next-project h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.05;
    margin-bottom: 2.5rem;
}

.next-project h2 .italic {
    font-style: italic;
    color: var(--orange);
}

.next-project .arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--white);
    border-bottom: 1px solid rgba(255,255,255,0.3);
    padding-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.next-project .arrow-link:hover {
    color: var(--orange);
    border-color: var(--orange);
    gap: 1.5rem;
}

/* Footer */
footer {
    background: var(--black);
    color: rgba(255,255,255,0.25);
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid,
    .personas-grid,
    .figure-row {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    nav {
        padding: 1.25rem 1.5rem;
    }

    nav.scrolled {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .project-hero,
    .project-body,
    .next-project {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .project-hero {
        padding-top: 6.5rem;
    }

    .pullquote {
        padding-left: 1.5rem;
    }

    footer {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 1.5rem;
    }
}