:root {
    --paper: #f8f3ea;
    --shell: #fffaf2;
    --ink: #272620;
    --muted: #746f65;
    --line: rgba(39, 38, 32, 0.14);
    --coral: #c96e4e;
    --green: #6f7f63;
    --blue: #8ba8b7;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
}

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

.site-header {
    align-items: center;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    padding: 24px 40px;
}

.logo {
    color: var(--ink);
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-decoration: none;
    text-transform: uppercase;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;
}

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

main {
    margin: 0 auto;
    max-width: 1280px;
    padding: 0 40px 72px;
}

.hero {
    display: grid;
    gap: 48px;
    grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1fr);
    min-height: calc(100vh - 73px);
    padding: 72px 0 64px;
}

.hero-copy {
    align-self: center;
}

.eyebrow {
    color: var(--coral);
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    margin-bottom: 14px;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin: 0;
}

h1 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(4rem, 7vw, 7rem);
    letter-spacing: -0.07em;
    line-height: 0.9;
    margin-bottom: 28px;
    max-width: 780px;
}

.hero-copy p {
    color: var(--muted);
    font-size: clamp(1.12rem, 1.55vw, 1.32rem);
    line-height: 1.6;
    max-width: 610px;
}

.hero-image {
    align-self: stretch;
    margin: 0;
    position: relative;
}

.hero-image img {
    height: 100%;
    min-height: 580px;
    object-fit: cover;
    width: 100%;
}

figcaption {
    background: var(--shell);
    border: 1px solid var(--line);
    bottom: 18px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    left: 18px;
    letter-spacing: 0.08em;
    padding: 10px 12px;
    position: absolute;
    text-transform: uppercase;
}

.field-note {
    background: var(--ink);
    color: var(--shell);
    display: grid;
    gap: 32px;
    grid-template-columns: 220px 1fr;
    margin-bottom: 80px;
    padding: 32px;
}

.field-note span {
    color: var(--blue);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.field-note p {
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.6rem, 3vw, 3rem);
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.section {
    border-top: 1px solid var(--line);
    padding: 64px 0 80px;
}

.section-heading {
    display: grid;
    gap: 24px;
    grid-template-columns: 0.72fr 1fr;
    margin-bottom: 32px;
}

h2 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.4rem, 4vw, 4.4rem);
    letter-spacing: -0.055em;
    line-height: 0.96;
}

.kit-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: 1.4fr 1fr 1fr;
}

.kit-card {
    background: var(--shell);
    border: 1px solid var(--line);
    min-height: 300px;
    padding: 28px;
}

.kit-card.feature {
    display: grid;
    gap: 24px;
    grid-template-columns: 0.86fr 1fr;
}

.kit-card img {
    align-self: center;
    mix-blend-mode: multiply;
}

.kit-card span,
.route-number {
    color: var(--green);
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.kit-card h3,
.route-grid h3 {
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    line-height: 1.05;
    margin-bottom: 14px;
}

.kit-card p,
.route-grid p,
.school-copy p,
.shop-section p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.58;
}

.route-grid {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(3, 1fr);
    background: var(--line);
}

.route-grid article {
    background: var(--paper);
    min-height: 260px;
    padding: 30px;
}

.school-section {
    align-items: center;
    background: var(--shell);
    border: 1px solid var(--line);
    display: grid;
    gap: 42px;
    grid-template-columns: 0.9fr 1fr;
    margin-bottom: 80px;
    padding: 34px;
}

.school-copy h2 {
    margin-bottom: 22px;
}

.school-section img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
}

.documentary-section {
    background: var(--ink);
    color: var(--shell);
    display: grid;
    gap: 0;
    grid-template-columns: 1fr 0.82fr;
    margin-bottom: 80px;
}

.documentary-section img {
    height: 100%;
    min-height: 460px;
    object-fit: cover;
    width: 100%;
}

.documentary-copy {
    align-self: center;
    padding: 48px;
}

.documentary-copy h2 {
    margin-bottom: 22px;
}

.documentary-copy p {
    color: rgba(255, 250, 242, 0.72);
    font-size: 1.05rem;
    line-height: 1.62;
    margin-bottom: 28px;
}

.documentary-copy .eyebrow {
    color: var(--blue);
}

.text-link.light {
    border-bottom-color: var(--shell);
    color: var(--shell);
}

.shop-section {
    align-items: center;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 32px;
    justify-content: space-between;
    padding-top: 56px;
}

.shop-section div {
    max-width: 620px;
}

.shop-section h2 {
    margin-bottom: 18px;
}

.shop-link {
    background: var(--ink);
    color: var(--shell);
    flex-shrink: 0;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    padding: 16px 22px;
    text-decoration: none;
    text-transform: uppercase;
}

/* Inner Pages */
.page-main {
    padding-top: 64px;
}

.page-hero {
    border-bottom: 1px solid var(--line);
    display: grid;
    gap: 42px;
    grid-template-columns: 0.9fr 1fr;
    margin-bottom: 56px;
    padding-bottom: 56px;
}

.page-hero.compact {
    grid-template-columns: 1fr;
    max-width: 900px;
}

.page-hero h1 {
    font-size: clamp(4rem, 7vw, 6.4rem);
    margin-bottom: 0;
}

.page-hero p {
    align-self: end;
    color: var(--muted);
    font-size: clamp(1.1rem, 1.5vw, 1.28rem);
    line-height: 1.62;
}

.product-layout {
    display: grid;
    gap: 22px;
}

.product-feature-card {
    align-items: center;
    background: var(--shell);
    border: 1px solid var(--line);
    display: grid;
    gap: 48px;
    grid-template-columns: 0.86fr 1fr;
    padding: 36px;
}

.product-feature-card img {
    mix-blend-mode: multiply;
}

.product-copy h2,
.diary-feature h2,
.mission-copy h2 {
    margin-bottom: 18px;
}

.product-copy p,
.diary-feature p,
.mission-copy p {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.62;
    margin-bottom: 24px;
}

.spec-row {
    border-bottom: 1px solid var(--line);
    border-top: 1px solid var(--line);
    color: var(--green);
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 28px;
    padding: 14px 0;
    text-transform: uppercase;
}

.product-grid {
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(2, 1fr);
}

.product-card {
    background: var(--shell);
    border: 1px solid var(--line);
    padding: 28px;
}

.product-card img {
    aspect-ratio: 4 / 3;
    margin-bottom: 24px;
    object-fit: cover;
    width: 100%;
}

.product-card h3,
.diary-list h3,
.mission-steps h3 {
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    margin-bottom: 10px;
}

.product-card p,
.diary-list p,
.mission-steps p {
    color: var(--muted);
    line-height: 1.58;
}

.diary-feature,
.mission-map {
    align-items: center;
    background: var(--shell);
    border: 1px solid var(--line);
    display: grid;
    gap: 42px;
    grid-template-columns: 1fr 0.9fr;
    margin-bottom: 42px;
    padding: 34px;
}

.diary-feature img,
.mission-map img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
}

.text-link {
    border-bottom: 1px solid var(--ink);
    color: var(--ink);
    display: inline-flex;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    padding-bottom: 6px;
    text-decoration: none;
    text-transform: uppercase;
}

.diary-list,
.mission-steps {
    display: grid;
    gap: 1px;
    grid-template-columns: repeat(3, 1fr);
    background: var(--line);
}

.diary-list article,
.mission-steps article {
    background: var(--paper);
    min-height: 250px;
    padding: 30px;
}

.diary-list span,
.mission-steps span {
    color: var(--green);
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin-bottom: 46px;
    text-transform: uppercase;
}

@media (max-width: 920px) {
    .site-header,
    .shop-section {
        align-items: flex-start;
        flex-direction: column;
    }

    nav {
        flex-wrap: wrap;
    }

    main {
        padding: 0 22px 56px;
    }

    .hero,
    .field-note,
    .section-heading,
    .kit-grid,
    .kit-card.feature,
    .route-grid,
    .school-section,
    .documentary-section,
    .page-hero,
    .product-feature-card,
    .product-grid,
    .diary-feature,
    .mission-map,
    .diary-list,
    .mission-steps {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: 0;
        padding-top: 48px;
    }

    .hero-image img {
        min-height: 420px;
    }
}