/* ===================================================================
   PaperbackU — Membership Platform Styles
   Extends the P&P neobrutalist design with literary flair
   =================================================================== */

/* --- PaperbackU design tokens --- */
:root {
    --gray-light: #E8E0D0;
    --gray-mid: #999;
    --gray-dark: #555;
    --font-literary: 'IM Fell English', serif;
}

/* --- Literary serif headlines for PaperbackU sections --- */
.pbu-headline {
    font-family: var(--font-literary);
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.2;
}

h1.pbu-headline { font-size: 3.2rem; }
h2.pbu-headline { font-size: 2.4rem; }
h3.pbu-headline { font-size: 1.6rem; }

/* --- Dingbat decorations --- */
.pbu-dingbat {
    display: block;
    text-align: center;
    font-size: 1.5rem;
    color: var(--gray-mid);
    margin: 32px 0;
    letter-spacing: 0.5em;
}

.pbu-dingbat-inline {
    color: var(--gray-mid);
    margin-right: 8px;
}

/* Section opener dingbat (❧) */
.pbu-section-opener::before {
    content: "❧";
    display: block;
    font-size: 1.8rem;
    color: var(--gray-dark);
    margin-bottom: 16px;
}

/* --- Pricing cards --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.pricing-card {
    background: #fff;
    border: 3px solid #000;
    box-shadow: 4px 4px 0 #000;
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    color: #000;
}

.pricing-card-featured {
    background: #FDE64A;
    position: relative;
}

.pricing-card-featured::after {
    content: "Most Popular";
    position: absolute;
    top: -14px;
    right: 16px;
    background: #000;
    color: #FDE64A;
    font-family: 'Karla', sans-serif;
    font-weight: 800;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border: 2px solid #000;
}

.pricing-card h3 {
    font-family: var(--font-literary);
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: #000;
}

.pricing-price {
    font-family: 'Karla', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 4px;
    color: #000;
}

.pricing-period {
    font-size: 0.85rem;
    color: var(--gray-dark);
    margin-bottom: 24px;
}

.pricing-card p {
    color: #000;
}

.pricing-card-featured .pricing-period {
    color: #000;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    flex: 1;
}

.pricing-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-light);
    font-size: 0.95rem;
    line-height: 1.4;
}

.pricing-features li {
    color: #000;
}

.pricing-features li::before {
    content: "✦ ";
    color: var(--gray-dark);
}

.pricing-card-featured .pricing-features li {
    border-bottom-color: rgba(0, 0, 0, 0.15);
}

.pricing-card .btn {
    margin-top: auto;
    text-align: center;
}

/* --- The 4 Ps framework grid --- */
.four-ps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.four-ps-card {
    background: #fff;
    border: 3px solid #000;
    box-shadow: 3px 3px 0 #000;
    padding: 24px;
}

.four-ps-card h3 {
    font-family: var(--font-literary);
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.four-ps-card .p-letter {
    font-family: var(--font-literary);
    font-size: 3rem;
    font-style: italic;
    color: var(--gray-dark);
    line-height: 1;
    margin-bottom: 8px;
}

/* --- Course preview cards --- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.course-card {
    background: #fff;
    border: 3px solid #000;
    box-shadow: 4px 4px 0 #000;
    padding: 24px;
    transition: transform 0.15s, box-shadow 0.15s;
}

.course-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #000;
}

.course-card h3 {
    font-family: var(--font-literary);
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.course-card .course-tag {
    display: inline-block;
    background: var(--gray-light);
    border: 2px solid #000;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px 10px;
    margin-bottom: 12px;
}

/* --- Member area navigation --- */
.member-nav {
    background: #000;
    border-bottom: 3px solid #000;
    padding: 12px 0;
}

.member-nav .container {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.member-nav a {
    color: #FFFCF1;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.15s;
}

.member-nav a:hover,
.member-nav a.active {
    border-bottom-color: #FDE64A;
    color: #FDE64A;
}

/* --- Vimeo video embed (responsive 16:9) --- */
.vimeo-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    overflow: hidden;
    border: 3px solid #000;
    box-shadow: 4px 4px 0 #000;
    margin: 24px 0;
}

.vimeo-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* --- Lovable AI tool iframe --- */
.tool-embed {
    border: 3px solid #000;
    box-shadow: 4px 4px 0 #000;
    margin: 24px 0;
    background: #fff;
}

.tool-embed iframe {
    width: 100%;
    min-height: 500px;
    border: 0;
    display: block;
}

/* --- Lesson list --- */
.lesson-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lesson-item {
    border: 3px solid #000;
    background: #fff;
    margin-bottom: 16px;
    padding: 20px 24px;
    box-shadow: 2px 2px 0 #000;
}

.lesson-item h4 {
    font-family: var(--font-literary);
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.lesson-notes {
    font-size: 0.9rem;
    color: var(--gray-dark);
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-light);
}

/* --- Dark sections for PaperbackU --- */
.section-dark-pbu {
    background: #000;
    color: #FFFCF1;
    padding: 80px 0;
    border-top: 3px solid #000;
    border-bottom: 3px solid #000;
}

.section-dark-pbu h2 {
    color: #FFFCF1;
}

.section-dark-pbu .accent-line {
    background: #FDE64A;
}

/* --- Lead magnet page --- */
.lead-magnet-hero {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

/* --- FAQ section --- */
.faq-list {
    max-width: 700px;
    margin: 32px auto 0;
}

.faq-item {
    border-bottom: 2px solid var(--gray-light);
    padding: 20px 0;
}

.faq-item h3 {
    font-family: var(--font-literary);
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.faq-item p {
    color: var(--gray-dark);
    font-size: 0.95rem;
}

/* --- Mobile responsive --- */
@media (max-width: 768px) {
    h1.pbu-headline { font-size: 2.4rem; }
    h2.pbu-headline { font-size: 1.8rem; }
    h3.pbu-headline { font-size: 1.3rem; }

    .pricing-grid { grid-template-columns: 1fr; }
    .four-ps-grid { grid-template-columns: 1fr; }
    .course-grid { grid-template-columns: 1fr; }

    .member-nav .container {
        gap: 16px;
    }
}