:root {
    --bg: #f4efe6;
    --bg-deep: #ece5d8;
    --surface: rgba(255, 251, 245, 0.78);
    --surface-strong: #fffdf9;
    --surface-tint: rgba(14, 106, 82, 0.08);
    --text: #182019;
    --muted: #5c665e;
    --line: rgba(24, 32, 25, 0.12);
    --accent: #0e6a52;
    --accent-strong: #094434;
    --accent-soft: rgba(14, 106, 82, 0.12);
    --gold: #e6a84a;
    --shadow-lg: 0 28px 80px rgba(17, 30, 24, 0.14);
    --shadow-sm: 0 12px 30px rgba(17, 30, 24, 0.08);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 18px;
    --content-width: 1120px;
    --reading-width: 820px;
    --page-background:
        radial-gradient(circle at 0% 0%, rgba(14, 106, 82, 0.16), transparent 28%),
        radial-gradient(circle at 100% 0%, rgba(230, 168, 74, 0.22), transparent 30%),
        linear-gradient(180deg, #f8f2e8 0%, var(--bg) 56%, #f0ece4 100%);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--page-background);
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
    background-size: 52px 52px;
    opacity: 0.32;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 80%);
}

body::after {
    content: "";
    position: fixed;
    left: -10rem;
    bottom: -12rem;
    width: 34rem;
    height: 34rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 106, 82, 0.12) 0%, transparent 65%);
    filter: blur(20px);
    pointer-events: none;
}

body.page-running {
    --surface: rgba(248, 252, 255, 0.78);
    --surface-strong: #f7fbff;
    --surface-tint: rgba(26, 94, 131, 0.1);
    --page-background:
        radial-gradient(circle at 12% 0%, rgba(26, 94, 131, 0.26), transparent 26%),
        radial-gradient(circle at 100% 8%, rgba(255, 133, 91, 0.18), transparent 24%),
        linear-gradient(180deg, #f1f7fc 0%, #e6f0f8 52%, #edf4f8 100%);
    --accent: #1a5e83;
    --accent-strong: #103f58;
    --accent-soft: rgba(26, 94, 131, 0.14);
}

body.page-landing {
    --surface: rgba(255, 255, 255, 0.88);
    --surface-strong: #ffffff;
    --page-background:
        radial-gradient(circle at 0% 0%, rgba(230, 168, 74, 0.18), transparent 26%),
        radial-gradient(circle at 100% 0%, rgba(26, 94, 131, 0.18), transparent 30%),
        linear-gradient(180deg, #edf3f7 0%, #e6edf3 52%, #eef1ec 100%);
}

body.page-running .panel--tint {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(221, 239, 249, 0.84));
}

body.page-landing .panel--tint {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(232, 241, 247, 0.84));
}

body.page-running .feature-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(221, 239, 249, 0.88));
}

body.page-running .topbar {
    background: rgba(247, 251, 255, 0.8);
}

body.page-landing .topbar {
    background: rgba(248, 251, 253, 0.8);
}

body.page-landing::before {
    opacity: 0.18;
}

body.page-landing .topbar,
body.page-landing .panel,
body.page-landing .card,
body.page-landing .feature-card,
body.page-landing .route-card,
body.page-landing .table-card {
    backdrop-filter: none;
}

body.page-running .hero-main::before {
    background: radial-gradient(circle, rgba(26, 94, 131, 0.22), transparent 68%);
}

a {
    color: inherit;
}

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

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

.site-shell {
    width: min(var(--content-width), calc(100% - 2rem));
    margin: 0 auto;
    padding: 1rem 0 4rem;
    position: relative;
    z-index: 1;
}

.site-shell--reading {
    width: min(var(--reading-width), calc(100% - 2rem));
}

.topbar {
    position: sticky;
    top: 1rem;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1rem;
    margin: 0 auto 2rem;
    border: 1px solid rgba(24, 32, 25, 0.1);
    border-radius: 999px;
    background: rgba(255, 250, 242, 0.76);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 15px;
    background: linear-gradient(145deg, var(--accent), var(--accent-strong));
    color: #ffffff;
    font-family: "Fraunces", serif;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(17, 30, 24, 0.18);
}

.brand-copy {
    display: grid;
    gap: 0.1rem;
}

.brand-copy strong {
    font-size: 0.98rem;
    letter-spacing: 0.01em;
}

.brand-copy span {
    color: var(--muted);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.35rem;
}

.nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 600;
    text-decoration: none;
    transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
    color: var(--text);
    background: rgba(255, 255, 255, 0.82);
    transform: translateY(-1px);
}

.site-main {
    display: block;
}

.site-main--stack {
    display: grid;
    gap: 4rem;
}

.panel,
.card,
.feature-card,
.article-card,
.table-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
}

.panel {
    padding: clamp(1.3rem, 2.4vw, 1.8rem);
}

.panel--tint {
    background: linear-gradient(145deg, rgba(255, 253, 247, 0.94), rgba(218, 244, 234, 0.76));
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
    gap: 1rem;
    margin-bottom: 4rem;
    align-items: start;
}

.hero-main {
    padding: clamp(1.8rem, 4vw, 3rem);
    overflow: hidden;
    position: relative;
}

.hero-main::before {
    content: "";
    position: absolute;
    top: -7rem;
    right: -7rem;
    width: 20rem;
    height: 20rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 106, 82, 0.22), transparent 68%);
}

.hero-main::after {
    content: "";
    position: absolute;
    left: 1.25rem;
    bottom: 1.25rem;
    width: 11rem;
    height: 11rem;
    border-radius: 26px;
    border: 1px solid rgba(24, 32, 25, 0.08);
    transform: rotate(8deg);
    opacity: 0.35;
}

.hero-main > * {
    position: relative;
    z-index: 1;
}

.hero-main h1 {
    margin: 0 0 1rem;
    font-family: "Fraunces", serif;
    font-size: clamp(3rem, 6vw, 5.1rem);
    line-height: 0.95;
    letter-spacing: -0.045em;
    max-width: 11ch;
}

.lede {
    margin: 0;
    max-width: 62ch;
    color: var(--muted);
    font-size: 1.08rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
    color: var(--accent);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.7rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.15rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(145deg, var(--accent), var(--accent-strong));
    color: #ffffff;
    box-shadow: 0 18px 36px rgba(17, 30, 24, 0.16);
}

.btn-secondary {
    color: var(--text);
    border-color: rgba(24, 32, 25, 0.12);
    background: rgba(255, 255, 255, 0.6);
}

.btn-minimal {
    color: var(--accent-strong);
    border-color: rgba(14, 106, 82, 0.22);
    background: transparent;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0;
    margin: 1.5rem 0 0;
    list-style: none;
}

.tag {
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(14, 106, 82, 0.14);
    color: var(--accent-strong);
    font-weight: 600;
    font-size: 0.9rem;
}

.stat-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1.9rem;
}

.stat {
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(24, 32, 25, 0.08);
}

.stat strong {
    display: block;
    margin-bottom: 0.12rem;
    font-size: 1.08rem;
}

.stat span {
    color: var(--muted);
    font-size: 0.94rem;
}

.hero-side {
    display: grid;
    gap: 1rem;
}

.portrait-card {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.97), rgba(244, 239, 230, 0.9));
}

.portrait-media {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(14, 106, 82, 0.1), rgba(255, 255, 255, 0));
}

.portrait-media::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 40%;
    background: linear-gradient(180deg, transparent, rgba(17, 30, 24, 0.2));
    pointer-events: none;
}

.portrait-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 22%;
}

.portrait-caption {
    display: grid;
    gap: 0.6rem;
    padding: 1.25rem 1.3rem 1.4rem;
}

.portrait-caption .eyebrow,
.portrait-caption .panel-title,
.portrait-caption .panel-copy {
    margin: 0;
}

.panel-title {
    margin: 0 0 0.6rem;
    font-family: "Fraunces", serif;
    font-size: 1.6rem;
    line-height: 1.08;
}

.panel-copy {
    margin: 0;
    color: var(--muted);
}

.signal-list,
.card-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.85rem;
}

.signal-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.8rem;
    align-items: start;
}

.signal-index {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.84rem;
    font-weight: 700;
}

.signal-copy strong {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.98rem;
}

.signal-copy span {
    color: var(--muted);
}

.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    margin-top: 1rem;
}

.inline-link {
    color: var(--accent-strong);
    font-weight: 700;
    text-decoration: none;
    text-underline-offset: 0.18em;
}

.inline-link:hover {
    text-decoration: underline;
}

.section {
    margin-bottom: 4rem;
}

.section-heading {
    display: grid;
    gap: 0.55rem;
    max-width: 44rem;
    margin-bottom: 1.3rem;
}

.section-heading h2 {
    margin: 0;
    font-family: "Fraunces", serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.03;
    letter-spacing: -0.03em;
}

.section-heading p {
    margin: 0;
    color: var(--muted);
}

.research-grid,
.writing-grid,
.stack-grid,
.profile-grid,
.metrics-grid,
.archive-grid,
.split-grid {
    display: grid;
    gap: 1rem;
}

.research-grid,
.profile-grid,
.metrics-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.writing-grid,
.split-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.stack-grid {
    grid-template-columns: 1fr;
}

.archive-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card,
.feature-card {
    padding: 1.6rem;
}

.card h3,
.feature-card h3 {
    margin: 0 0 0.5rem;
    font-family: "Fraunces", serif;
    font-size: 1.45rem;
    line-height: 1.08;
}

.feature-card h3 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.card p,
.feature-card p {
    margin: 0 0 0.9rem;
    color: var(--muted);
}

.feature-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(218, 244, 234, 0.82));
}

.card-meta {
    color: var(--muted);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.card-list li {
    position: relative;
    padding-left: 1rem;
    color: var(--muted);
}

.card-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 0.35rem;
    height: 0.35rem;
    border-radius: 50%;
    background: var(--accent);
}

.topic-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.topic-chip {
    padding: 0.65rem 0.85rem;
    border-radius: 999px;
    border: 1px solid rgba(24, 32, 25, 0.12);
    background: rgba(255, 255, 255, 0.58);
    color: var(--muted);
    font-weight: 600;
}

.note-block {
    padding: 1.2rem 1.3rem;
    border-radius: 18px;
    border: 1px solid rgba(24, 32, 25, 0.08);
    background: rgba(255, 255, 255, 0.58);
}

.table-card {
    padding: 1rem;
    overflow-x: auto;
}

table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
}

th,
td {
    padding: 0.95rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid rgba(24, 32, 25, 0.1);
}

th {
    color: var(--muted);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.52);
}

.article-hero {
    margin-bottom: 1.15rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 1rem;
    color: var(--accent-strong);
    font-weight: 700;
    text-decoration: none;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    margin-top: 1rem;
    color: var(--muted);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.article-card {
    padding: clamp(1.5rem, 3vw, 2.2rem);
}

.article-card > *:first-child {
    margin-top: 0;
}

.article-card p,
.article-card li {
    font-size: 1.03rem;
}

.article-card h2 {
    margin: 2rem 0 0.8rem;
    font-family: "Fraunces", serif;
    font-size: 1.6rem;
    line-height: 1.1;
}

.article-card ul {
    padding-left: 1.25rem;
    margin: 0.8rem 0 0;
}

.article-card li + li {
    margin-top: 0.75rem;
}

.article-card a {
    color: var(--accent-strong);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

.callout {
    margin: 1.4rem 0;
    padding: 1rem 1rem 1rem 1.15rem;
    border: 1px solid rgba(14, 106, 82, 0.12);
    border-left: 4px solid var(--accent);
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(218, 244, 234, 0.76));
}

.footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 4rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(24, 32, 25, 0.12);
    color: var(--muted);
    font-size: 0.95rem;
}

.landing-hero,
.split-landing,
.overview-grid,
.contact-grid,
.official-grid,
.photo-grid,
.field-grid {
    display: grid;
    gap: 1rem;
}

.landing-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    align-items: start;
}

.landing-copy {
    padding: clamp(1.7rem, 4vw, 2.8rem);
}

.split-landing {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.route-card {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    padding: 0;
    overflow: hidden;
}

.route-card--running {
    background: linear-gradient(145deg, rgba(255, 251, 247, 0.92), rgba(230, 241, 248, 0.9));
}

.route-card--research {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(247, 240, 231, 0.92));
}

.route-media {
    position: relative;
    min-height: 100%;
    background: linear-gradient(180deg, rgba(24, 32, 25, 0.04), rgba(24, 32, 25, 0));
}

.route-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.route-copy {
    display: grid;
    align-content: start;
    gap: 1rem;
    padding: 1.5rem;
}

.route-copy h2,
.route-copy p {
    margin: 0;
}

.route-copy h2 {
    font-family: "Fraunces", serif;
    font-size: clamp(2rem, 3.8vw, 2.8rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
}

.route-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.route-metrics span {
    padding: 0.55rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(24, 32, 25, 0.1);
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 600;
}

.overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
}

.form-card {
    display: grid;
    gap: 1rem;
    padding: clamp(1.35rem, 2.7vw, 1.9rem);
}

.field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field span {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 0.92rem 1rem;
    border: 1px solid rgba(24, 32, 25, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text);
}

.field textarea {
    min-height: 190px;
    resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: rgba(24, 32, 25, 0.18);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.form-note {
    margin: 0;
    color: var(--muted);
}

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

.official-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.official-grid .feature-card {
    grid-column: span 2;
}

.portrait-media--landscape {
    aspect-ratio: 4 / 3;
}

.panel--photo {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    color: #ffffff;
}

.panel--photo::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 20, 28, 0.12), rgba(10, 20, 28, 0.78));
}

.panel--photo > * {
    position: relative;
    z-index: 1;
}

.panel--photo .eyebrow,
.panel--photo .panel-copy {
    color: rgba(255, 255, 255, 0.86);
}

.panel--photo .panel-title {
    color: #ffffff;
}

.panel--run-banner {
    background-image:
        linear-gradient(180deg, rgba(16, 63, 88, 0.12), rgba(16, 63, 88, 0.74)),
        url("/Running_in_pain.JPG");
}

.photo-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
}

.photo-card {
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
}

.photo-card--wide {
    grid-column: span 2;
}

.photo-media {
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.photo-media--wide {
    aspect-ratio: 16 / 10;
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-card figcaption {
    padding: 1rem 1rem 1.1rem;
}

.photo-card figcaption p {
    margin: 0;
}

.photo-card figcaption p + p {
    margin-top: 0.35rem;
    color: var(--muted);
}

.muted {
    color: var(--muted);
}

.js [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    filter: blur(4px);
    transition:
        opacity 620ms ease,
        transform 620ms cubic-bezier(0.2, 0.65, 0.2, 1),
        filter 620ms ease;
    transition-delay: var(--delay, 0ms);
}

.js [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

html.js body.page-landing [data-reveal] {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
}

@media (max-width: 960px) {
    .topbar {
        border-radius: 28px;
        padding: 1rem;
    }

    .hero,
    .landing-hero,
    .split-landing,
    .overview-grid,
    .contact-grid,
    .official-grid,
    .photo-grid,
    .writing-grid,
    .split-grid,
    .research-grid,
    .profile-grid,
    .metrics-grid {
        grid-template-columns: 1fr;
    }

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

    .official-grid .feature-card,
    .photo-card--wide {
        grid-column: auto;
    }

    .field-grid {
        grid-template-columns: 1fr;
    }

    .stat-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .site-shell,
    .site-shell--reading {
        width: min(var(--content-width), calc(100% - 1.1rem));
    }

    .topbar {
        position: static;
        justify-content: flex-start;
        align-items: flex-start;
        flex-direction: column;
    }

    .nav {
        justify-content: flex-start;
        gap: 0.2rem;
    }

    .nav a {
        padding: 0.58rem 0.8rem;
        font-size: 0.92rem;
    }

    .hero-main h1 {
        font-size: clamp(2.5rem, 14vw, 3.6rem);
    }

    .stat-strip {
        grid-template-columns: 1fr;
    }

    .card,
    .feature-card,
    .panel,
    .article-card {
        padding: 1.2rem;
    }

    .route-card {
        padding: 0;
    }

    .route-copy {
        padding: 1.2rem;
    }

    .panel--photo {
        min-height: 260px;
    }

    .photo-card figcaption {
        padding: 0.9rem 0.95rem 1rem;
    }
}

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

    .btn,
    .nav a,
    .js [data-reveal] {
        transition: none;
    }
}