/* ============================================
   CSS Variables - Color Palette
   ============================================ */
:root {
    --color-primary: #2563eb;
    --color-secondary: #059669;
    --color-accent: #c53030;
    --color-bg: #FAF8F3;
    --color-text: #2d2a26;
    --color-text-light: #6b6560;
    --color-border: #e8e4de;
    --color-shadow: rgba(45, 42, 38, 0.08);
    --color-shadow-lg: rgba(45, 42, 38, 0.12);
}

/* ============================================
   Global Reset and Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

/* ============================================
   Page Wrapper - Centers content
   ============================================ */
.page-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: 100vh;
}

/* ============================================
   Typography
   ============================================ */
h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 600;
    line-height: 1.4;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

p {
    margin-bottom: 1rem;
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

strong {
    font-weight: 600;
    color: var(--color-primary);
}

em {
    font-style: italic;
    color: var(--color-text-light);
}

hr {
    border: none;
    border-top: 2px solid var(--color-border);
    margin: 2rem 0;
}

/* Scripture reference links - subtle styling */
.page-article a {
    color: var(--color-text-light);
    text-decoration: none;
}

.page-article a:hover {
    text-decoration: underline;
}

/* ============================================
   Illustrations
   ============================================ */
.illustration {
    margin: 2rem 0;
    text-align: center;
}

.illustration img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--color-shadow);
}

figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ============================================
   Article and Content Styling
   ============================================ */
.page-article {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    margin-bottom: 2rem;
}

/* ============================================
   Page Navigation Buttons
   ============================================ */
.page-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-border);
}

.page-nav-btn {
    flex: 1;
    max-width: 200px;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    background: var(--color-bg);
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.page-nav-btn:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--color-shadow-lg);
}

.page-nav-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: var(--color-border);
    color: var(--color-text-light);
    pointer-events: none;
}

.page-nav-btn.prev-btn {
    margin-right: auto;
}

.page-nav-btn.next-btn {
    margin-left: auto;
}

/* ============================================
   Frontpage Styling
   ============================================ */
.frontpage {
    text-align: center;
}

.frontpage-content {
    max-width: 900px;
    margin: 0 auto;
}

.frontpage-header {
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.frontpage-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.frontpage-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text-light);
    font-weight: 400;
    font-style: italic;
}

.frontpage-intro {
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #F5F0E6 0%, #EDE8DC 100%);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.frontpage-text {
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-align: left;
}

.frontpage-list {
    text-align: left;
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.8;
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.frontpage-list li {
    margin-bottom: 0.75rem;
}

.frontpage-welcome {
    margin-bottom: 3rem;
}

.frontpage-welcome h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.frontpage-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.pillar {
    padding: 1.5rem;
    background: #FFFEFA;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--color-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pillar:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--color-shadow-lg);
}

.pillar-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.pillar h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin: 0.5rem 0;
}

.pillar p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin: 0;
}

.frontpage-preparation {
    margin-bottom: 3rem;
    text-align: left;
}

.frontpage-preparation h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.frontpage-promise {
    margin: 3rem 0;
}

.promise-box {
    padding: 2rem;
    background: linear-gradient(135deg, #dcfce7 0%, #d1fae5 100%);
    border-left: 4px solid var(--color-secondary);
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.promise-text {
    font-size: clamp(1.15rem, 2.5vw, 1.35rem);
    line-height: 1.7;
    color: var(--color-text);
    margin: 0;
    font-weight: 500;
}

.frontpage-start {
    margin-bottom: 2rem;
    text-align: left;
}

.frontpage-start h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1.5rem;
}

.next-btn-start {
    background: var(--color-primary);
    color: white;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    max-width: 250px;
}

.next-btn-start:hover {
    background: #1e40af;
    transform: translateY(-2px) scale(1.05);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .page-wrapper {
        padding: 1.5rem 1rem;
    }

    .frontpage-pillars {
        grid-template-columns: 1fr;
    }

    .frontpage-header {
        padding: 1rem 0;
    }

    .frontpage-intro {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .page-wrapper {
        padding: 1rem 0.75rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.35rem;
    }

    h3 {
        font-size: 1.15rem;
    }

    .page-navigation {
        flex-direction: column;
        gap: 0.75rem;
    }

    .page-nav-btn {
        max-width: 100%;
    }

    .frontpage-title {
        font-size: 2rem;
    }

    .frontpage-subtitle {
        font-size: 1.1rem;
    }

    .pillar-icon {
        font-size: 2rem;
    }
}