:root {
    --color-primary: #1a365d;
    --color-accent: #f6ad55;
    --color-bg: #f7fafc;
    --color-text: #1a202c;
    --color-surface: #ffffff;
    --font-heading: "Merriweather", serif;
    --font-body: "Nunito", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --radius-lg: 1rem;
    --radius-md: 0.75rem;
    --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

h1,
h2,
h3 {
    font-family: var(--font-heading);
}

main {
    padding: 1.25rem 1.25rem 2.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background-color: var(--color-primary);
    color: #ffffff;
    position: sticky;
    top: 0;
    z-index: 20;
}

.logo-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), #fbd38d);
    color: var(--color-primary);
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 700;
}

.logo-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    border-radius: 50%;
    padding-top: 20%;
}

.site-name {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 700;
}

.site-tagline {
    margin: 0;
    font-size: 0.8rem;
    opacity: 0.9;
}

.menu-toggle {
    background: none;
    border: 1px solid #ffffff55;
    color: #ffffff;
    border-radius: 0.5rem;
    padding: 0.25rem 0.6rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.site-nav {
    display: none;
}

.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    display: inline-block;
    font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus {
    background-color: #ffffff22;
}

.site-nav a.active,
.site-nav a[aria-current="page"] {
    background-color: var(--color-accent);
    color: #000;
}

.site-nav.open {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-primary);
    padding: 0.5rem 0.75rem;
    box-shadow: var(--shadow-soft);
}

.site-nav.open li+li {
    margin-top: 0.25rem;
}

.site-footer {
    padding: 1rem 1.25rem 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: #4a5568;
}

.site-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
    text-decoration: underline;
}

.hero {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 1.5rem;
    margin-block: 1rem 1.75rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(1.8rem, 3.1vw, 2.4rem);
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.hero-text p {
    margin-bottom: 1rem;
}

.hero-image {
    margin: 0;
    justify-self: center;
}

.hero-image img {
    width: 100%;
    max-width: 420px;
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero-kicker,
.section-kicker {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #4a5568;
    margin: 0 0 0.25rem;
}

.page-hero {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.5rem 1.75rem;
    box-shadow: var(--shadow-soft);
    margin-block: 1rem 1.75rem;
}

.section-card,
.plan-grid-section,
.page-header-section,
.phase-section,
.study-card,
.reflection-result {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-soft);
}

.section-card+.section-card {
    margin-top: 1rem;
}

.home-section {
    margin-top: 1.5rem;
}

.home-section--split {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    justify-content: space-between;
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.filter-controls label {
    margin-right: 0.25rem;
}

.button-primary,
.button-secondary {
    display: inline-block;
    border: none;
    border-radius: 999px;
    padding: 0.5rem 1.25rem;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
}

.button-primary {
    background-color: var(--color-accent);
    color: #000;
}

.button-primary:hover,
.button-primary:focus {
    filter: brightness(0.95);
}

.button-secondary {
    background-color: #edf2f7;
    color: var(--color-primary);
}

.button-secondary:hover,
.button-secondary:focus {
    background-color: #e2e8f0;
}

.plan-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.plan-card {
    background-color: #fdfdfd;
    border-radius: var(--radius-md);
    padding: 0.9rem 1rem;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.plan-card h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.05rem;
}

.plan-card .phase-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #4a5568;
}

.plan-card .scripture-ref {
    font-size: 0.85rem;
    font-style: italic;
    color: #4a5568;
}

.plan-cta-grid {
    margin-top: 1rem;
    display: grid;
    gap: 0.9rem;
}

.plan-cta-card {
    text-decoration: none;
    color: inherit;
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
    border: 1px solid #e2e8f0;
}

.plan-cta-card:hover,
.plan-cta-card:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
    border-color: var(--color-accent);
    outline: none;
}

.plan-cta-card--accent {
    background: linear-gradient(135deg, #fff7ed, #fefcbf);
    border-color: #f6ad55;
}

.plan-list {
    display: grid;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.phase-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.phase-section h2 {
    margin-top: 0;
}

.timeline-section {
    padding: 1.25rem 1.5rem;
}

.timeline-track {
    list-style: none;
    margin: 0.75rem 0 0;
    padding: 0;
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.5rem;
}

.timeline-track::-webkit-scrollbar {
    height: 6px;
}

.timeline-track::-webkit-scrollbar-thumb {
    background-color: #cbd5e0;
    border-radius: 999px;
}

.timeline-item {
    min-width: 200px;
    max-width: 240px;
    scroll-snap-align: start;
    background-color: #fdfdfd;
    border-radius: var(--radius-md);
    border: 1px solid #e2e8f0;
    padding: 0.75rem 0.9rem;
    flex-shrink: 0;
}

.timeline-item h3 {
    margin-top: 0;
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

.study-grid {
    display: grid;
    gap: 1.25rem;
}

.reflection-form .form-field {
    margin-bottom: 0.75rem;
}

.reflection-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.reflection-form input,
.reflection-form select,
.reflection-form textarea {
    width: 100%;
    border-radius: 0.5rem;
    border: 1px solid #cbd5e0;
    padding: 0.5rem 0.6rem;
    font-family: inherit;
    font-size: 0.95rem;
}

.reflection-form textarea {
    resize: vertical;
}

.reflection-result dl {
    margin: 0;
}

.reflection-result dt {
    font-weight: 700;
}

.reflection-result dd {
    margin: 0 0 0.75rem;
}

.small-note {
    font-size: 0.85rem;
    color: #4a5568;
}

.visit-message {
    font-style: italic;
    margin-top: 0.75rem;
}

dialog {
    border: none;
    border-radius: var(--radius-lg);
    padding: 0;
    max-width: 480px;
    width: 92%;
    box-shadow: var(--shadow-soft);
}

.dialog-inner {
    margin: 0;
    padding: 0;
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dialog-header button {
    border: none;
    background: none;
    color: #ffffff;
    font-size: 1.4rem;
    cursor: pointer;
}

.dialog-content {
    padding: 1rem;
}

.dialog-footer {
    padding: 0.75rem 1rem 1rem;
    text-align: right;
}

@media (min-width: 640px) {
    main {
        padding-inline: 1.5rem;
    }

    .hero {
        grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
    }

    .section-card+.section-card {
        margin-top: 0;
    }

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

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

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

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .site-nav {
        display: block;
    }

    .site-nav ul {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }

    .site-nav.open {
        position: static;
        box-shadow: none;
        padding: 0;
    }

    .home-section--split {
        flex-direction: row;
        align-items: stretch;
    }

    .home-section--split>* {
        flex: 1;
    }

    .home-section--overview {
        flex-direction: column;
    }
}

@media (min-width: 1024px) {

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

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

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

    .home-section--overview {
        align-items: stretch;
    }

    .home-section--reflection {
        align-items: stretch;
    }

    .home-section--reflection>.scripture-insights-section {
        flex: 0 0 340px;
        max-width: 360px;
    }

    .home-section--reflection>.reflection {
        flex: 1;
    }
}