/* --- Design system: editorial warm, oklch, fluid --- */
:root {
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;

    --ink: oklch(0.22 0.02 55);
    --ink-muted: oklch(0.48 0.03 55);
    --paper: oklch(0.985 0.008 85);
    --paper-strong: oklch(0.96 0.015 80);
    --accent: oklch(0.58 0.16 45);
    --accent-hover: oklch(0.52 0.17 45);
    --banner-bg: oklch(0.94 0.06 var(--banner-hue, 35));

    --space-xs: clamp(0.5rem, 1.5vw, 0.75rem);
    --space-sm: clamp(1rem, 3vw, 1.5rem);
    --space-md: clamp(1.5rem, 4vw, 2.5rem);
    --space-lg: clamp(2.5rem, 6vw, 4rem);
    --space-xl: clamp(4rem, 10vw, 7rem);

    --text-hero: clamp(2.5rem, 8vw, 4.5rem);
    --text-h2: clamp(1.75rem, 4vw, 2.25rem);
    --text-body: clamp(1rem, 2vw, 1.125rem);
    --text-small: clamp(0.875rem, 1.5vw, 0.9375rem);

    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
    --duration: 0.5s;
    --duration-slow: 0.7s;
}

@media (prefers-reduced-motion: reduce) {
    :root {
        --duration: 0.15s;
        --duration-slow: 0.2s;
    }
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

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

/* --- Header --- */
.site-header {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--paper);
    border-bottom: 1px solid oklch(0.92 0.02 80);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 400;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo:hover {
    color: var(--accent);
}

.nav {
    display: flex;
    gap: var(--space-md);
}

.nav-link {
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--ink-muted);
    text-decoration: none;
    transition: color var(--duration) var(--ease-out);
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--ink);
}

.nav-link:focus-visible,
.logo:focus-visible,
.carousel-btn:focus-visible,
.card-cta:focus-visible,
.contact-email:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* --- Hero: staggered reveal --- */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    padding-bottom: var(--space-lg);
}

.hero-kicker {
    font-size: var(--text-small);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: var(--space-sm);
    opacity: 0;
    animation: reveal 0.6s var(--ease-out) 0.1s forwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-hero);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--ink);
    max-width: 14ch;
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateY(12px);
    animation: revealUp 0.7s var(--ease-out) 0.2s forwards;
}

.hero-byline {
    font-size: var(--text-body);
    color: var(--ink-muted);
    max-width: 38ch;
    opacity: 0;
    transform: translateY(12px);
    animation: revealUp 0.6s var(--ease-out) 0.35s forwards;
}

@keyframes reveal {
    to {
        opacity: 1;
    }
}

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-kicker,
    .hero-title,
    .hero-byline {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* --- Section anchors (skip under header) --- */
.work,
.about,
.contact {
    scroll-margin-top: 5rem;
}

/* --- Work / Carousel --- */
.work {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-lg) var(--space-xl);
}

.work-heading {
    margin-bottom: var(--space-md);
}

.work-title {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.carousel-wrap {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    min-height: 420px;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border: 1px solid oklch(0.88 0.02 80);
    background: var(--paper);
    color: var(--ink-muted);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out), background var(--duration) var(--ease-out);
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
    color: var(--ink);
    border-color: var(--ink-muted);
    background: var(--paper-strong);
}

.carousel-btn-prev {
    left: -24px;
}

.carousel-btn-next {
    right: -24px;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 380px;
}

/* --- Cards --- */
.card {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid oklch(0.91 0.02 80);
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateX(24px) scale(0.96);
    transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

.card.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) scale(1);
    z-index: 2;
}

.card.prev {
    transform: translateX(-32%) scale(0.92);
    opacity: 0.4;
    z-index: 1;
}

.card.next {
    transform: translateX(32%) scale(0.92);
    opacity: 0.4;
    z-index: 1;
}

.card-banner {
    padding: var(--space-lg);
    background: var(--banner-bg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.card-letter {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--ink);
    background: var(--paper);
    flex-shrink: 0;
}

.card-meta {
    min-width: 0;
}

.card-name {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.25rem;
}

.card-tagline {
    font-size: var(--text-small);
    color: var(--ink-muted);
    font-weight: 500;
}

.card-body {
    padding: var(--space-md) var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.card-desc {
    color: var(--ink-muted);
    font-size: var(--text-body);
    line-height: 1.6;
    flex: 1;
}

.card-cta {
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    transition: color var(--duration) var(--ease-out);
    align-self: flex-start;
}

.card-cta:hover,
.card-cta:focus-visible {
    color: var(--accent-hover);
}

/* --- About --- */
.about {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    border-top: 1px solid oklch(0.92 0.02 80);
}

.about-title {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.about-content {
    max-width: 52ch;
}

.about-content p {
    color: var(--ink-muted);
    margin-bottom: var(--space-sm);
}

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

/* --- Contact --- */
.contact {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
    border-top: 1px solid oklch(0.92 0.02 80);
}

.contact-title {
    font-family: var(--font-display);
    font-size: var(--text-h2);
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.contact-text {
    font-size: var(--text-body);
    color: var(--ink-muted);
    margin-bottom: var(--space-sm);
}

.contact-email {
    font-size: var(--text-body);
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    transition: color var(--duration) var(--ease-out);
}

.contact-email:hover,
.contact-email:focus-visible {
    color: var(--accent-hover);
}

/* --- Footer --- */
.site-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid oklch(0.92 0.02 80);
    background: var(--paper-strong);
}

.footer-copy {
    max-width: 1200px;
    margin: 0 auto;
    font-size: var(--text-small);
    color: var(--ink-muted);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .site-header {
        padding: var(--space-sm) var(--space-md);
    }

    .hero {
        padding: var(--space-lg) var(--space-md);
    }

    .hero-title {
        max-width: none;
    }

    .carousel-wrap {
        min-height: 380px;
        padding: 0 var(--space-md);
    }

    .carousel-btn-prev {
        left: 8px;
    }

    .carousel-btn-next {
        right: 8px;
    }

    .work,
    .about,
    .contact {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    .card-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-md);
    }

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