/* ==========================================================================
   S.M.U.S. Samarakoon — personal site
   Design: clean academic. Near-monochrome ground, one accent, editorial type.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
    /* Surfaces */
    --bg: #fcfcfb;
    --bg-elev: #ffffff;
    --bg-sunken: #f4f4f1;

    /* Ink */
    --text: #17181b;
    --text-2: #4b4e56;
    --text-3: #7d8189;

    /* Lines */
    --line: #e6e5e1;
    --line-strong: #d2d1cc;

    /* Accent — used sparingly */
    --accent: #4b47d6;
    --accent-soft: rgba(75, 71, 214, 0.08);
    --accent-contrast: #ffffff;

    /* Type */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

    /* Scale */
    --step-0: 1rem;
    --step-1: 1.0625rem;
    --step-2: clamp(1.25rem, 0.5vw + 1.1rem, 1.4rem);
    --step-3: clamp(1.6rem, 1.4vw + 1.25rem, 2.1rem);
    --step-4: clamp(2.1rem, 3vw + 1.3rem, 3.4rem);

    /* Rhythm */
    --section-y: clamp(4rem, 8vw, 7rem);
    --gutter: clamp(1.25rem, 4vw, 2.5rem);
    --radius: 14px;
    --radius-sm: 9px;

    /* Depth */
    --shadow-sm: 0 1px 2px rgba(23, 24, 27, 0.05);
    --shadow-md: 0 6px 20px -8px rgba(23, 24, 27, 0.14);
    --shadow-lg: 0 24px 48px -24px rgba(23, 24, 27, 0.26);

    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

    color-scheme: light;
}

/* Dark — system preference, unless the reader explicitly chose light */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0d0e11;
        --bg-elev: #15171b;
        --bg-sunken: #101216;
        --text: #eaeaec;
        --text-2: #a9acb4;
        --text-3: #787c85;
        --line: #23262c;
        --line-strong: #343840;
        --accent: #9490ff;
        --accent-soft: rgba(148, 144, 255, 0.12);
        --accent-contrast: #14151a;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
        --shadow-md: 0 6px 20px -8px rgba(0, 0, 0, 0.6);
        --shadow-lg: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
        color-scheme: dark;
    }
}

/* Dark — an explicit choice wins in both directions */
:root[data-theme="dark"] {
    --bg: #0d0e11;
    --bg-elev: #15171b;
    --bg-sunken: #101216;
    --text: #eaeaec;
    --text-2: #a9acb4;
    --text-3: #787c85;
    --line: #23262c;
    --line-strong: #343840;
    --accent: #9490ff;
    --accent-soft: rgba(148, 144, 255, 0.12);
    --accent-contrast: #14151a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 20px -8px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
    color-scheme: dark;
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */

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

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 6rem;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--step-1);
    line-height: 1.65;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button,
input,
textarea {
    font: inherit;
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection {
    background: var(--accent-soft);
    color: var(--text);
}

.container {
    width: 100%;
    max-width: 1100px;
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 2000;
    padding: 0.7rem 1.1rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: top 0.2s var(--ease);
}

.skip-link:focus {
    top: 1rem;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   3. Typography primitives
   -------------------------------------------------------------------------- */

h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.015em;
    text-wrap: balance;
}

.eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 0.9rem;
}

.section {
    padding-block: var(--section-y);
    border-top: 1px solid var(--line);
}

.section--sunken {
    background: var(--bg-sunken);
}

.section-head {
    margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--step-3);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.section-lead {
    color: var(--text-2);
    max-width: 58ch;
    margin-top: 0.85rem;
    font-size: var(--step-0);
}

/* --------------------------------------------------------------------------
   4. Navigation
   -------------------------------------------------------------------------- */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s var(--ease);
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
    .navbar {
        background: color-mix(in srgb, var(--bg) 82%, transparent);
        backdrop-filter: saturate(180%) blur(14px);
        -webkit-backdrop-filter: saturate(180%) blur(14px);
    }
}

.navbar.is-scrolled {
    border-bottom-color: var(--line);
}

.nav-container {
    position: relative;
    max-width: 1100px;
    margin-inline: auto;
    padding: 0.9rem var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-logo a {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    color: var(--text);
    white-space: nowrap;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.nav-link {
    position: relative;
    padding: 0.45rem 0.75rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-2);
    border-radius: 7px;
    transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-link:hover {
    color: var(--text);
    background: var(--bg-sunken);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.1rem;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
}

.theme-toggle {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: transparent;
    color: var(--text-2);
    cursor: pointer;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.theme-toggle:hover {
    color: var(--text);
    border-color: var(--line-strong);
    background: var(--bg-sunken);
}

.theme-toggle .fa-moon {
    display: none;
}

:root[data-theme="dark"] .theme-toggle .fa-sun {
    display: none;
}

:root[data-theme="dark"] .theme-toggle .fa-moon {
    display: block;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .fa-sun {
        display: none;
    }

    :root:not([data-theme="light"]) .theme-toggle .fa-moon {
        display: block;
    }
}

.hamburger {
    display: none;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: transparent;
    cursor: pointer;
    place-items: center;
    align-content: center;
}

.hamburger .bar {
    display: block;
    width: 17px;
    height: 1.5px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.hamburger .bar + .bar {
    margin-top: 4px;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   5. Hero
   -------------------------------------------------------------------------- */

.hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(3.5rem, 9vw, 7rem) clamp(3.5rem, 8vw, 6rem);
}

.hero::before {
    content: '';
    position: absolute;
    inset: -30% 40% 40% -20%;
    background: radial-gradient(closest-side, var(--accent-soft), transparent);
    pointer-events: none;
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(2rem, 6vw, 4.5rem);
}

.hero-text {
    min-width: 0;
}

.hero-name {
    font-family: var(--font-display);
    font-size: var(--step-4);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 1rem;
}

.hero-interests {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 1.5rem;
}

.hero-interests li {
    position: relative;
}

.hero-interests li + li::before {
    content: '';
    position: absolute;
    left: -0.52rem;
    top: 50%;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--line-strong);
    transform: translateY(-50%);
}

.hero-summary {
    color: var(--text-2);
    max-width: 54ch;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.hero-portrait {
    width: clamp(180px, 22vw, 250px);
    aspect-ratio: 4 / 5;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    background: var(--bg-sunken);
}

.hero-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.hero-portrait:hover img {
    transform: scale(1.04);
}

/* --------------------------------------------------------------------------
   6. Buttons & social links
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.15rem;
    border-radius: 9px;
    font-size: 0.92rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s var(--ease), background 0.2s var(--ease),
        border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    background: var(--accent);
    color: var(--accent-contrast);
}

.btn-outline {
    border-color: var(--line-strong);
    color: var(--text);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.btn-text {
    align-self: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-3);
    word-break: break-word;
    transition: color 0.2s var(--ease);
}

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

.social-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.social-links a {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 9px;
    color: var(--text-2);
    font-size: 1rem;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
        transform 0.2s var(--ease), background 0.2s var(--ease);
}

.social-links a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

.social-links img {
    height: 17px;
    width: auto;
}

/* --------------------------------------------------------------------------
   7. About
   -------------------------------------------------------------------------- */

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: start;
}

.about-facts {
    display: grid;
    gap: 1.25rem;
}

.fact dt {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 0.3rem;
}

.fact dd {
    font-size: 0.95rem;
    color: var(--text);
}

.about-text {
    color: var(--text-2);
}

.about-text p + p {
    margin-top: 1.1rem;
}

/* --------------------------------------------------------------------------
   8. Education
   -------------------------------------------------------------------------- */

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.25rem;
}

.education-card {
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: border-color 0.25s var(--ease), transform 0.25s var(--ease),
        box-shadow 0.25s var(--ease);
}

.education-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.education-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 1.1rem;
}

.education-card h3 {
    font-size: var(--step-0);
    margin-bottom: 0.5rem;
}

.education-card .institution {
    color: var(--text-2);
    font-size: 0.92rem;
}

.education-card .year {
    display: inline-block;
    margin-top: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-3);
}

.education-card .description {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--line);
    font-size: 0.9rem;
    color: var(--text-2);
}

/* --------------------------------------------------------------------------
   9. Experience timeline
   -------------------------------------------------------------------------- */

.timeline {
    position: relative;
    padding-left: 1.75rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 0.6rem;
    bottom: 0.6rem;
    width: 1px;
    background: var(--line);
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 0.5rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--line-strong);
}

.timeline-item.is-current::before {
    border-color: var(--accent);
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.timeline-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.4rem 0.85rem;
    margin-bottom: 0.25rem;
}

.timeline-item h3 {
    font-size: var(--step-0);
}

.tag-soft {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-3);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.1rem 0.55rem;
    white-space: nowrap;
}

.timeline-item .institution {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

.timeline-item .year {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-bottom: 0.6rem;
}

.timeline-item .description {
    color: var(--text-2);
    font-size: 0.95rem;
    max-width: 62ch;
}

/* --------------------------------------------------------------------------
   10. Research (text only — no imagery)
   -------------------------------------------------------------------------- */

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 1.25rem;
}

.research-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    overflow: hidden;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.9rem;
    transition: border-color 0.25s var(--ease), transform 0.25s var(--ease),
        box-shadow 0.25s var(--ease);
}

.research-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s var(--ease);
}

.research-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.research-card:hover::after {
    transform: scaleY(1);
}

.research-index {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    color: var(--text-3);
}

.research-card h3 {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 500;
}

.research-card p {
    color: var(--text-2);
    font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   11. Projects
   -------------------------------------------------------------------------- */

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}

.work-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.25s var(--ease), transform 0.25s var(--ease),
        box-shadow 0.25s var(--ease);
}

.work-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.work-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-sunken);
    border-bottom: 1px solid var(--line);
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.work-card:hover .work-image img {
    transform: scale(1.04);
}

.work-content {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1.5rem;
    flex: 1;
}

.work-content h3 {
    font-size: var(--step-0);
}

.work-content p {
    color: var(--text-2);
    font-size: 0.92rem;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-3);
    background: var(--bg-sunken);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.2rem 0.6rem;
}

.work-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: auto;
    padding-top: 0.4rem;
}

.work-links .btn {
    padding: 0.5rem 0.9rem;
    font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   12. Page header (inner pages)
   -------------------------------------------------------------------------- */

.page-header {
    padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem);
}

.page-title {
    font-family: var(--font-display);
    font-size: var(--step-4);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.page-subtitle {
    color: var(--text-2);
    margin-top: 0.9rem;
    max-width: 56ch;
}

/* --------------------------------------------------------------------------
   13. Publications
   -------------------------------------------------------------------------- */

.publications-section {
    padding-bottom: var(--section-y);
}

.subsection-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-3);
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--line);
}

.publication-item {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 1.5rem;
    padding-block: 2rem;
    border-bottom: 1px solid var(--line);
}

.publications-list .publication-item:last-child {
    border-bottom: none;
}

.publication-year {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--text-3);
    padding-top: 0.3rem;
}

.publication-content h3 {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 500;
    line-height: 1.28;
    margin-bottom: 0.55rem;
}

.publication-journal {
    font-size: 0.88rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.publication-description {
    color: var(--text-2);
    font-size: 0.95rem;
    max-width: 70ch;
}

.publication-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.7rem 1rem;
    margin-top: 1.1rem;
}

.publication-links .btn-outline {
    padding: 0.45rem 0.85rem;
    font-size: 0.84rem;
}

/* --------------------------------------------------------------------------
   14. Contact
   -------------------------------------------------------------------------- */

.contact-section {
    padding-bottom: var(--section-y);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.contact-info > p {
    color: var(--text-2);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding-block: 1rem;
    border-top: 1px solid var(--line);
}

.contact-item i {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: 9px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.85rem;
}

.contact-item h3 {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 0.15rem;
}

.contact-item p,
.contact-item a {
    font-size: 0.95rem;
    color: var(--text);
    word-break: break-word;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-info .social-links {
    margin-top: 2rem;
}

.contact-form {
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 4vw, 2.25rem);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.15rem;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 0.45rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 0.9rem;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-3);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   15. Blog (empty state)
   -------------------------------------------------------------------------- */

.blog-section {
    padding-bottom: var(--section-y);
}

.empty-state {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 1rem;
    padding: clamp(3rem, 9vw, 6rem) 1.5rem;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius);
    background: var(--bg-elev);
}

.empty-state i {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 1.4rem;
}

.empty-state h2 {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 500;
}

.empty-state p {
    color: var(--text-2);
    font-size: 0.95rem;
    max-width: 46ch;
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */

.footer {
    border-top: 1px solid var(--line);
    background: var(--bg-sunken);
    padding-top: clamp(3rem, 6vw, 4.5rem);
}

.footer-content {
    max-width: 1100px;
    margin-inline: auto;
    padding-inline: var(--gutter);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: 2.5rem;
}

.footer-section h3 {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 1.1rem;
}

.footer-brand .footer-name {
    display: block;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-2);
    font-size: 0.9rem;
    max-width: 34ch;
}

.footer-section ul {
    display: grid;
    gap: 0.6rem;
}

.footer-section ul a,
.footer-section p {
    font-size: 0.9rem;
    color: var(--text-2);
}

.footer-section ul a {
    transition: color 0.2s var(--ease);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    word-break: break-word;
}

.footer-contact p i {
    color: var(--text-3);
    font-size: 0.8rem;
    width: 1rem;
    flex: none;
}

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

.footer-bottom {
    max-width: 1100px;
    margin: clamp(2.5rem, 5vw, 3.5rem) auto 0;
    padding: 1.5rem var(--gutter);
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--text-3);
}

.back-to-top {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
    transition: color 0.2s var(--ease);
}

.back-to-top:hover {
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   17. Scroll reveal — only hides content when JS is running
   -------------------------------------------------------------------------- */

.js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   18. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 900px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .hamburger {
        display: grid;
    }

    .nav-menu {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.15rem;
        padding: 0.75rem var(--gutter) 1.25rem;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.25s var(--ease), transform 0.25s var(--ease),
            visibility 0.25s var(--ease);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-link {
        padding: 0.7rem 0.5rem;
        font-size: 1rem;
        border-radius: var(--radius-sm);
    }

    .nav-link.active::after {
        left: 0.5rem;
        right: auto;
        width: 18px;
        bottom: 0.4rem;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        justify-items: start;
        gap: 2.25rem;
    }

    .hero-portrait {
        order: -1;
        width: clamp(140px, 40vw, 180px);
    }

    .hero::before {
        inset: -20% 20% 50% -30%;
    }

    .publication-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .publication-year {
        padding-top: 0;
    }
}

@media (max-width: 420px) {
    .hero-actions,
    .work-links {
        width: 100%;
    }

    .hero-actions .btn,
    .work-links .btn {
        flex: 1 1 auto;
        justify-content: center;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }
}

/* --------------------------------------------------------------------------
   19. Blog listing
   -------------------------------------------------------------------------- */

.container--reading {
    width: 100%;
    max-width: 760px;
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.post-list {
    display: grid;
    gap: 1.25rem;
}

.post-card {
    display: grid;
    grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
    gap: 0;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.post-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.post-card--text {
    grid-template-columns: 1fr;
}

.post-card-media {
    display: block;
    position: relative;
    min-height: 200px;
    overflow: hidden;
    background: var(--bg-sunken);
    border-right: 1px solid var(--line);
}

/* Absolute fill so the image matches the card height whatever the text does */
.post-card-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.post-card:hover .post-card-media img {
    transform: scale(1.04);
}

.post-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    padding: clamp(1.4rem, 3vw, 2rem);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-3);
}

.post-meta > * + *::before {
    content: '·';
    margin-right: 0.75rem;
}

.post-card-title {
    font-family: var(--font-display);
    font-size: var(--step-2);
    font-weight: 500;
    line-height: 1.25;
}

.post-card-title a {
    transition: color 0.2s var(--ease);
}

.post-card-title a:hover {
    color: var(--accent);
}

.post-card-excerpt {
    color: var(--text-2);
    font-size: 0.95rem;
}

/* Loading placeholders */

.skeleton {
    background: var(--bg-sunken);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, var(--line), transparent);
    transform: translateX(-100%);
    animation: skeleton-sweep 1.4s infinite;
}

@keyframes skeleton-sweep {
    100% {
        transform: translateX(100%);
    }
}

.skeleton-line {
    height: 0.85rem;
    margin-bottom: 0.7rem;
}

.skeleton-line.short {
    width: 35%;
}

.skeleton-line.title {
    height: 1.5rem;
    width: 75%;
}

.skeleton-media {
    min-height: 200px;
    border-radius: 0;
}

.post-card.is-skeleton {
    pointer-events: none;
}

.post-card.is-skeleton:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--line);
}

.article-loading .skeleton-media {
    min-height: 260px;
    border-radius: var(--radius);
    margin-block: 1.5rem;
}

@media (prefers-reduced-motion: reduce) {
    .skeleton::after {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   20. Article reader
   -------------------------------------------------------------------------- */

.article-page {
    padding-block: clamp(2rem, 5vw, 3.5rem) clamp(3rem, 7vw, 5rem);
}

.article-back {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 2rem;
    transition: color 0.2s var(--ease);
}

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

.article-header {
    margin-bottom: 2.5rem;
}

.article-title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 2.5vw + 1.3rem, 2.9rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.12;
    margin-block: 0.9rem 1rem;
}

.article-standfirst {
    font-size: 1.1rem;
    color: var(--text-2);
    line-height: 1.6;
    margin-bottom: 1.1rem;
}

/* Body typography */

.article-body {
    font-size: 1.0625rem;
    line-height: 1.75;
}

.article-body > * + * {
    margin-top: 1.35rem;
}

.article-body p {
    color: var(--text-2);
}

.article-body h2,
.article-body h3,
.article-body h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text);
    line-height: 1.25;
}

.article-body h2 {
    font-size: 1.55rem;
    margin-top: 2.75rem;
}

.article-body h3 {
    font-size: 1.25rem;
    margin-top: 2.25rem;
}

.article-body h4 {
    font-size: 1.08rem;
    margin-top: 2rem;
}

.article-body a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.article-body strong {
    color: var(--text);
    font-weight: 600;
}

.article-body code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background: var(--bg-sunken);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 0.1em 0.35em;
}

.article-list {
    padding-left: 1.3rem;
    color: var(--text-2);
}

.article-list li {
    margin-bottom: 0.6rem;
}

ul.article-list {
    list-style: disc;
}

ol.article-list {
    list-style: decimal;
}

.article-list::marker,
.article-list li::marker {
    color: var(--text-3);
}

.article-quote {
    border-left: 2px solid var(--accent);
    padding: 0.2rem 0 0.2rem 1.4rem;
    margin-block: 2.25rem;
}

.article-quote p {
    font-family: var(--font-display);
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--text);
}

.article-quote cite {
    display: block;
    margin-top: 0.7rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-style: normal;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-3);
}

.article-code {
    background: var(--bg-sunken);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1.1rem 1.2rem;
    overflow-x: auto;
    position: relative;
}

.article-code code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.65;
    background: none;
    border: none;
    padding: 0;
    color: var(--text);
    white-space: pre;
}

.article-code[data-language]::before {
    content: attr(data-language);
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
}

.article-divider {
    border: none;
    border-top: 1px solid var(--line);
    margin-block: 2.75rem;
    width: 100%;
}

/* Images — one figure or a grid that adapts to how many there are */

.article-figure {
    margin-block: 2.25rem;
}

.article-figure img {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--bg-sunken);
}

.article-figure figcaption {
    margin-top: 0.7rem;
    font-size: 0.83rem;
    color: var(--text-3);
    text-align: center;
}

.article-cover {
    margin-top: 0;
    margin-bottom: 2.75rem;
}

.article-gallery {
    display: grid;
    gap: 0.9rem;
    margin-block: 2.25rem;
}

.article-gallery .gallery-figure {
    margin: 0;
}

.article-gallery img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.article-gallery[data-count="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.article-gallery[data-count="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.article-gallery[data-count="4"] {
    grid-template-columns: repeat(2, 1fr);
}

.article-gallery[data-count="5"],
.article-gallery[data-count="6"] {
    grid-template-columns: repeat(3, 1fr);
}

.article-embed {
    position: relative;
    aspect-ratio: 16 / 9;
    margin-block: 2.25rem;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--bg-sunken);
}

.article-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* Previous / next */

.article-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 1rem;
    margin-top: clamp(3rem, 6vw, 4.5rem);
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

.article-nav-link {
    display: grid;
    gap: 0.4rem;
    padding: 1.2rem 1.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--bg-elev);
    transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.article-nav-link:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.article-nav-next {
    text-align: right;
}

.article-nav-label {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-3);
}

.article-nav-title {
    font-family: var(--font-display);
    font-size: 1.02rem;
    font-weight: 500;
    color: var(--text);
    line-height: 1.3;
}

@media (min-width: 1040px) {
    /* Let imagery breathe slightly wider than the reading column */
    .article-figure,
    .article-gallery,
    .article-embed {
        margin-inline: -3.5rem;
    }
}

@media (max-width: 720px) {
    .post-card {
        grid-template-columns: 1fr;
    }

    .post-card-media {
        border-right: none;
        border-bottom: 1px solid var(--line);
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

    .article-gallery[data-count="3"],
    .article-gallery[data-count="5"],
    .article-gallery[data-count="6"] {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-nav-next {
        text-align: left;
    }
}

@media (max-width: 440px) {
    .article-gallery {
        grid-template-columns: 1fr !important;
    }
}

/* --------------------------------------------------------------------------
   21. Print
   -------------------------------------------------------------------------- */

@media print {
    .navbar,
    .footer,
    .hero-actions,
    .social-links,
    .theme-toggle,
    .skip-link {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .section {
        break-inside: avoid;
        padding-block: 1.5rem;
    }
}