:root {
    --bg: #faf8f3;
    --bg-soft: #f4f0e8;
    --surface: rgba(255, 255, 255, 0.82);
    --ink: #171717;
    --muted: #5f5a52;
    --line: rgba(23, 23, 23, 0.12);
    --accent: #4a6b5d;
    --accent-soft: rgba(74, 107, 93, 0.12);
    --shadow: 0 12px 32px rgba(23, 23, 23, 0.05);
    --font-display: 'Playfair Display', serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    color: var(--ink);
    background: linear-gradient(180deg, var(--bg), var(--bg-soft));
    font-family: var(--font-body);
    line-height: 1.55;
    scroll-behavior: smooth;
    color-scheme: light;
}

body {
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(23, 23, 23, 0.02) 1px, transparent 1px);
    background-size: 100% 100%;
    opacity: 0.08;
    z-index: -2;
}

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

a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.site-header,
.page-shell,
.site-footer {
    width: min(1080px, calc(100% - 3rem));
    margin: 0 auto;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 2rem;
    padding: 2rem 0 1.5rem;
}

.brand-block h1 {
    font-family: var(--font-mono);
    font-size: clamp(0.95rem, 1.45vw, 1.1rem);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.eyebrow {
    font: 600 0.72rem/1 var(--font-mono);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}

.role-title {
    margin-top: 0.45rem;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.25rem;
}

nav a {
    position: relative;
    padding-bottom: 0.35rem;
    color: var(--muted);
    font: 600 0.78rem/1 var(--font-mono);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: color 0.25s var(--ease);
}

nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease);
}

nav a:hover {
    color: var(--ink);
}

nav a:hover::after {
    transform: scaleX(1);
}

.page-shell {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding-bottom: 3.5rem;
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.75fr);
    gap: 1.5rem;
    align-items: stretch;
    padding: 2rem 0 2.4rem;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.hero-copy {
    padding-right: 0.5rem;
}

.hero-kicker {
    margin-bottom: 1.15rem;
    color: var(--accent);
    font: 600 0.75rem/1 var(--font-mono);
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.hero-copy h2 {
    max-width: 13ch;
    font-family: var(--font-display);
    font-size: clamp(2.35rem, 5.2vw, 4.1rem);
    line-height: 1;
    letter-spacing: -0.025em;
}

.hero-summary {
    max-width: 32rem;
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.96rem;
}

.hero-signals {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.4rem;
}

.hero-signals span {
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.62);
    font: 600 0.66rem/1 var(--font-mono);
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.hero-rail {
    display: grid;
    align-content: start;
    border-left: 1px solid var(--line);
    padding-left: 1.3rem;
}

.rail-block {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding: 1rem 0 1.15rem;
    border-bottom: 1px solid var(--line);
}

.rail-block span {
    color: var(--muted);
    font: 600 0.7rem/1 var(--font-mono);
    letter-spacing: 0.26em;
    text-transform: uppercase;
}

.rail-block strong {
    font-size: 1.05rem;
    font-weight: 600;
}

.rail-block.accent strong {
    color: var(--accent);
}

.dossier-section {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem 0 1.2rem;
    border-bottom: 1px solid var(--line);
}

.section-ledger {
    color: var(--accent);
    font: 600 0.68rem/1 var(--font-mono);
    letter-spacing: 0.26em;
    text-transform: uppercase;
    padding-top: 0.2rem;
}

.section-body {
    display: grid;
    gap: 1rem;
}

.dossier-row {
    display: grid;
    gap: 1rem;
    padding: 1.1rem 0 1.25rem;
    border-top: 1px solid var(--line);
}

.row-meta {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--muted);
}

.company {
    color: var(--ink);
    font: 700 0.74rem/1 var(--font-mono);
    letter-spacing: 0.26em;
    text-transform: uppercase;
}

.date {
    font: 600 0.82rem/1 var(--font-mono);
    letter-spacing: 0.1em;
}

.row-content h3,
.cert-text strong {
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 1.7vw, 1.55rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.case-study h3 {
    grid-area: title;
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 1.65vw, 1.55rem);
    line-height: 1.04;
    letter-spacing: -0.02em;
    text-wrap: balance;
    overflow-wrap: anywhere;
}

.sub-text {
    max-width: 42rem;
    color: var(--muted);
    font-size: 0.98rem;
}

.case-study-list {
    gap: 0;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
        "meta"
        "title"
        "desc"
        "foot";
    gap: 0.55rem;
    align-items: start;
    padding: 1.2rem 0 1.35rem;
    border-top: 1px solid var(--line);
    min-width: 0;
}

.case-topline {
    grid-area: meta;
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.75rem;
    padding-top: 0.1rem;
}

.case-index {
    color: var(--accent);
    font: 700 0.72rem/1 var(--font-mono);
    letter-spacing: 0.22em;
}

.mono-label {
    color: var(--muted);
    font: 600 0.66rem/1 var(--font-mono);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.case-study .sub-text {
    grid-area: desc;
    max-width: 48ch;
    margin: 0;
    overflow-wrap: anywhere;
}

.case-foot {
    grid-area: foot;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    min-width: 0;
}

.case-note {
    max-width: 36rem;
    color: var(--muted);
    font-size: 0.84rem;
    text-align: left;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-bottom: 1px solid transparent;
    color: var(--ink);
    font: 600 0.76rem/1 var(--font-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.project-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateX(0.2rem);
}

.certs-list {
    gap: 0;
}

.cert-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1rem;
    padding: 1.1rem 0;
    border-top: 1px solid var(--line);
}

.cert-year {
    padding-top: 0.2rem;
    color: var(--muted);
    font: 600 0.72rem/1 var(--font-mono);
    letter-spacing: 0.24em;
}

.contact-panel {
    padding-top: 1rem;
}

.big-link {
    display: inline-block;
    max-width: 12ch;
    border-bottom: 1px solid var(--line);
    padding-bottom: 0.25rem;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.8vw, 2.7rem);
    line-height: 1;
    letter-spacing: -0.025em;
}

.big-link:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding-top: 1.25rem;
}

.social-links a {
    color: var(--muted);
    font: 600 0.76rem/1 var(--font-mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.social-links a:hover {
    color: var(--ink);
}

.site-footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 1.5rem;
    padding: 0.8rem 0 2rem;
    color: var(--muted);
    font: 600 0.66rem/1 var(--font-mono);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.site-footer p {
    margin: 0;
}

.footer-credit {
    text-align: left;
}

.footer-credit a {
    color: var(--ink);
    letter-spacing: 0.16em;
}

.footer-credit a:hover {
    color: var(--accent);
}

.footer-brand {
    justify-self: end;
    text-align: right;
}

.reveal,
.stagger-item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.active,
.stagger-item.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 980px) {
    .hero-panel,
    .dossier-section {
        grid-template-columns: 1fr;
    }

    .hero-rail {
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-left: 0;
        padding-top: 1rem;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1rem;
    }

    .rail-block {
        border-bottom: 0;
        border-right: 1px solid var(--line);
        padding-right: 1rem;
    }

    .rail-block:last-child {
        border-right: 0;
    }

    .case-note {
        text-align: left;
    }
}

@media (max-width: 720px) {
    .site-header,
    .page-shell,
    .site-footer {
        width: min(100%, calc(100% - 2rem));
    }

    .site-header {
        align-items: start;
        flex-direction: column;
    }

    .site-footer {
        grid-template-columns: 1fr;
        justify-items: start;
        gap: 0.6rem;
    }

    .footer-brand {
        justify-self: start;
        text-align: left;
    }

    nav {
        justify-content: flex-start;
        gap: 0.8rem 1rem;
    }

    .hero-panel {
        padding: 1.8rem 0 2rem;
    }

    .hero-copy h2 {
        max-width: none;
        font-size: clamp(2.4rem, 12vw, 3.8rem);
    }

    .hero-rail {
        grid-template-columns: 1fr;
    }

    .rail-block {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding-right: 0;
    }

    .dossier-section {
        gap: 1rem;
    }

    .section-ledger {
        position: static;
    }

    .cert-row {
        grid-template-columns: 1fr;
        gap: 0.45rem;
    }
}

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

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    .reveal,
    .stagger-item {
        opacity: 1;
        transform: none;
    }
}