:root {
    --paper: #f3ecdc;
    --paper-light: #fbf8f1;
    --ink: #29241f;
    --muted: #746b60;
    --accent: #8b2f2f;
    --accent-dark: #642020;
    --border: #d8cbb7;
}

.hero {
    min-height: 620px;
    background:
        url("/assets/images/hero-letter.jpg")
        center / cover no-repeat;
}

.hero-overlay {
    min-height: 620px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(
            90deg,
            rgba(25, 20, 15, 0.88),
            rgba(25, 20, 15, 0.5),
            rgba(25, 20, 15, 0.15)
        );
}

.hero-content {
    color: #fff;
}

.hero-content h1 {
    max-width: 760px;
    margin: 12px 0 20px;
    font-size: clamp(2.8rem, 7vw, 5.6rem);
    line-height: 1.02;
}

.hero-content > p:not(.hero-kicker) {
    max-width: 680px;
    font-size: 1.25rem;
}

.hero-kicker,
.page-kicker,
.letter-number {
    margin: 0;
    color: var(--accent);
    font-family: Arial, sans-serif;
    font-size: 0.82rem;
    font-weight: bold;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-kicker {
    color: #f1c6b9;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 42px;
    text-align: center;
}

.section-header h2 {
    margin-bottom: 12px;
    font-size: clamp(2rem, 5vw, 3.4rem);
}

.letter-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.letter-card {
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--paper-light);
    box-shadow: 0 14px 34px rgba(50, 40, 25, 0.08);
}

.letter-card h2,
.letter-card h3 {
    margin: 8px 0;
}

.letter-card h2 a,
.letter-card h3 a {
    text-decoration: none;
}

.letter-people,
.letter-place {
    color: var(--muted);
}

.text-link {
    color: var(--accent);
    font-weight: bold;
}

.page-heading,
.letter-heading {
    padding: 65px 0;
    border-bottom: 1px solid var(--border);
    background: var(--paper-light);
    text-align: center;
}

.page-heading h1,
.letter-heading h1 {
    margin: 10px 0;
    font-size: clamp(2.5rem, 6vw, 4.6rem);
}

.letter-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 34px;
    margin-top: 24px;
}

.letter-summary {
    max-width: 820px;
    margin: 30px auto 0;
    padding: 22px 28px;
    border-left: 4px solid var(--accent);
    background: #f4eadb;
    text-align: left;
}

.letter-layout {
    display: grid;
    grid-template-columns: minmax(300px, 42%) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
}

.original-pages {
    position: sticky;
    top: 20px;
}

.original-page {
    margin: 0 0 28px;
}

.original-page img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.18);
}

.original-page figcaption {
    margin-top: 7px;
    color: var(--muted);
    text-align: center;
}

.transcription {
    padding: 36px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--paper-light);
    box-shadow: 0 14px 34px rgba(50, 40, 25, 0.08);
}

.transcription-text {
    white-space: normal;
    font-size: 1.08rem;
    line-height: 1.85;
}

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

    .letter-layout {
        grid-template-columns: 1fr;
    }

    .original-pages {
        position: static;
    }
}

@media (max-width: 620px) {
    .hero,
    .hero-overlay {
        min-height: 520px;
    }

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

    .letter-card,
    .transcription {
        padding: 22px;
    }
}

.letter-card-highlighted {
    border: 2px solid #8b2f2f;
    background:
        linear-gradient(
            135deg,
            #fffaf0 0%,
            #fbf4e6 100%
        );
    box-shadow: 0 18px 42px rgba(100, 32, 32, 0.16);
}

.letter-highlight {
    display: inline-block;
    margin: 8px 0 4px;
    padding: 5px 11px;
    border-radius: 999px;
    background: #8b2f2f;
    color: #fff;
    font-family: Arial, sans-serif;
    font-size: 0.72rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}