/* ============================================
   Sohan Nair — Design System
   ============================================ */

:root {
    --color-bg:        #FAFAF7;
    --color-text:      #1A1A1A;
    --color-accent:    #2C4A6E;
    --color-muted:     #7A7A6E;
    --color-divider:   #E0DED6;
    --color-surface:   #F0EEE8;

    --font-display:    'Playfair Display', Georgia, serif;
    --font-body:       'Lora', Georgia, serif;
    --font-ui:         'Inter', system-ui, sans-serif;

    --text-xs:    0.75rem;
    --text-sm:    0.875rem;
    --text-base:  1rem;
    --text-lg:    1.125rem;
    --text-xl:    1.25rem;
    --text-2xl:   1.5rem;
    --text-3xl:   2rem;
    --text-4xl:   2.75rem;
    --text-5xl:   3.75rem;

    --max-width:       1100px;
    --reading-width:   680px;
    --section-padding: 120px;
    --ease-editorial:  cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s var(--ease-editorial);
}

a:hover {
    color: var(--color-text);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.reading-column {
    max-width: var(--reading-width);
    margin: 0 auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.25;
}

.display-xl {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 8vw, var(--text-5xl));
    font-weight: 500;
    line-height: 1.1;
}

.display-lg {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 500;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    margin-bottom: 1rem;
}

.section-intro {
    font-size: var(--text-lg);
    color: var(--color-muted);
    max-width: 640px;
    margin-bottom: 2.5rem;
}

.meta-text {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
}

.small-caps {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-muted);
}

/* Page entrance */
main {
    animation: pageEnter 0.9s var(--ease-editorial) both;
}

@keyframes pageEnter {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s var(--ease-editorial),
                transform 0.75s var(--ease-editorial);
}

.reveal--visible {
    opacity: 1;
    transform: translateY(0);
}

.section-divider {
    height: 1px;
    background: var(--color-divider);
    width: 0;
    transition: width 1s var(--ease-editorial);
    border: none;
    margin: 0;
}

.section-divider.reveal--visible {
    width: 100%;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    main {
        animation: none;
    }
    .section-divider {
        width: 100%;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

.site-logo-img {
    height: 44px;
    width: auto;
    display: block;
}

.site-logo:hover {
    color: var(--color-accent);
}

.site-nav {
    display: flex;
    gap: 2rem;
}

.site-nav a {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-text);
    text-decoration: none;
    position: relative;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s var(--ease-editorial);
}

.site-nav a:hover::after,
.site-nav a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform 0.3s var(--ease-editorial);
}

/* Buttons */
.btn {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-accent);
    background: transparent;
    color: var(--color-accent);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s var(--ease-editorial), color 0.3s var(--ease-editorial);
}

.btn:hover {
    background: var(--color-accent);
    color: #fff;
}

.btn--primary {
    background: var(--color-accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-text);
    border-color: var(--color-text);
    color: #fff;
}

.btn-link {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s var(--ease-editorial);
}

.btn-link:hover {
    border-bottom-color: var(--color-accent);
}

/* Sections */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--section-padding) 0;
}

.hero--banner {
    position: relative;
    background-color: var(--color-text);
    background-image: var(--hero-banner);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero--banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(250, 250, 247, 0.62);
}

.hero--banner .hero-content {
    position: relative;
    z-index: 1;
    background: rgba(26, 26, 26, 0.55);
    padding: 2.5rem 2.75rem;
    border-radius: 4px;
}

.hero--banner .hero-content .display-xl,
.hero--banner .hero-content .hero-tagline {
    color: var(--color-bg);
}

.hero--banner .hero-content .hero-descriptor {
    color: rgba(250, 250, 247, 0.85);
}

.hero-content {
    max-width: 720px;
}

.hero-tagline {
    margin-bottom: 1.5rem;
}

.hero-descriptor {
    font-size: var(--text-lg);
    color: var(--color-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.card {
    background: var(--color-surface);
    border-radius: 4px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    margin-bottom: 0.75rem;
}

.card-description {
    color: var(--color-muted);
    margin-bottom: 1rem;
    font-size: var(--text-sm);
}

.card-link {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
}

/* Tags / Pills */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    color: var(--color-muted);
}

/* Books */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.book-card {
    display: flex;
    flex-direction: column;
}

.book-cover {
    aspect-ratio: 2/3;
    background: var(--color-surface);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-cover-fallback {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    text-align: center;
    padding: 1.5rem;
    color: var(--color-muted);
}

.book-card--upcoming .book-cover {
    border: 2px dashed var(--color-divider);
    opacity: 0.7;
}

.book-card--upcoming {
    opacity: 0.85;
}

.book-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    margin-bottom: 0.25rem;
}

.book-subtitle {
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-bottom: 0.5rem;
}

.book-year {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--color-muted);
    margin-bottom: 0.75rem;
}

.book-description {
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.status-badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--color-divider);
    margin-bottom: 0.75rem;
}

.status-badge--upcoming {
    color: var(--color-muted);
    border-style: dashed;
}

/* Books horizontal strip (home) */
.books-strip {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scroll-snap-type: x mandatory;
}

.books-strip .book-card {
    min-width: 220px;
    max-width: 260px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

/* Journal */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.category-tab {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid var(--color-divider);
    color: var(--color-muted);
    text-decoration: none;
    transition: all 0.3s var(--ease-editorial);
}

.category-tab:hover,
.category-tab.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.journal-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.journal-item {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-divider);
}

.journal-item:first-child {
    border-top: 1px solid var(--color-divider);
}

.journal-item-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.journal-item-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--color-text);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.journal-item-title:hover {
    color: var(--color-accent);
}

.journal-item-excerpt {
    font-size: var(--text-sm);
    color: var(--color-muted);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination a,
.pagination span {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    color: var(--color-text);
    text-decoration: none;
}

.pagination a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pagination .current {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* Journal Post */
.reading-progress-track {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 1000;
    background: transparent;
}

.reading-progress {
    height: 100%;
    width: 0%;
    background: var(--color-accent);
    transition: width 0.1s linear;
}

.post-header {
    padding: var(--section-padding) 0 3rem;
    text-align: center;
}

.post-featured-image {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    margin-bottom: 3rem;
}

.post-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    margin-bottom: 1rem;
}

.post-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.post-content {
    font-size: var(--text-lg);
    line-height: 1.8;
}

.post-content > p:first-of-type::first-letter {
    font-family: var(--font-display);
    font-size: 3.5em;
    float: left;
    line-height: 0.8;
    margin: 0.1em 0.15em 0 0;
    color: var(--color-accent);
}

.post-content h2 {
    font-size: var(--text-2xl);
    margin: 2.5rem 0 1rem;
}

.post-content h3 {
    font-size: var(--text-xl);
    margin: 2rem 0 0.75rem;
}

.post-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 0.5rem 0 0.5rem 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-muted);
}

.post-content img {
    margin: 2rem auto;
    border-radius: 4px;
}

.post-content ul,
.post-content ol {
    margin: 1rem 0 1rem 1.5rem;
}

.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding: 3rem 0 var(--section-padding);
    border-top: 1px solid var(--color-divider);
    margin-top: 3rem;
}

.post-nav a {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    max-width: 45%;
}

.post-nav-label {
    display: block;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    margin-bottom: 0.25rem;
}

/* Now */
.now-section {
    margin-bottom: 3rem;
}

.now-section-title {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-divider);
}

.now-item {
    padding: 0.75rem 0;
    font-size: var(--text-base);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-divider);
}

.now-updated {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-top: 3rem;
    text-align: center;
}

/* Contact */
.contact-form {
    max-width: 560px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: var(--text-base);
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    background: #fff;
    color: var(--color-text);
    transition: border-color 0.3s var(--ease-editorial);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
}

.alert--success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #2e7d32;
}

.alert--error {
    background: #ffebee;
    border: 1px solid #ef9a9a;
    color: #c62828;
}

/* About block */
.about-text {
    font-size: var(--text-lg);
    line-height: 1.8;
    max-width: 720px;
}

/* Contact CTA */
.contact-cta {
    text-align: center;
    background: var(--color-surface);
    padding: 4rem 2rem;
    border-radius: 4px;
}

.contact-cta p {
    max-width: 520px;
    margin: 0 auto 2rem;
    color: var(--color-muted);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-divider);
    padding: 3rem 0;
    margin-top: var(--section-padding);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-text {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    justify-content: center;
}

.footer-social a {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.footer-social a:hover {
    color: var(--color-accent);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    max-width: 720px;
    margin-bottom: 0.5rem;
}

.footer-contact-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.footer-contact-name {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--color-text);
    margin: 0;
}

.footer-contact-item {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    justify-content: center;
    align-items: baseline;
}

.footer-contact-label {
    font-weight: 500;
    color: var(--color-text);
}

.footer-contact-item a {
    color: var(--color-accent);
    text-decoration: none;
}

.footer-contact-item a:hover {
    text-decoration: underline;
}

.footer-map {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 16 / 10;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--color-divider);
    background: var(--color-surface);
}

.footer-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

@media (min-width: 768px) {
    .footer-contact {
        flex-direction: row;
        justify-content: center;
        align-items: stretch;
        gap: 2rem;
        text-align: left;
    }

    .footer-contact-details {
        align-items: flex-start;
        justify-content: center;
    }

    .footer-contact-item {
        justify-content: flex-start;
    }
}

/* Page header */
.page-header {
    padding: calc(var(--section-padding) * 0.75) 0 3rem;
}

.page-header .display-lg {
    margin-bottom: 1rem;
}

/* Desktop */
@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cards-grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding: 80px;
    }

    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        border-left: 1px solid var(--color-divider);
        transition: right 0.4s var(--ease-editorial);
        z-index: 200;
    }

    .site-nav.open {
        right: 0;
    }

    .hero--banner .hero-content {
        padding: 1.75rem 1.5rem;
    }

    .post-title {
        font-size: var(--text-3xl);
    }

    .post-nav {
        flex-direction: column;
    }

    .post-nav a {
        max-width: 100%;
    }
}

/* ── Seminars ── */
.seminars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.seminar-card {
    background: var(--color-surface);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
}

.seminar-card-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--color-divider);
    overflow: hidden;
}

.seminar-card-media img,
.seminar-card-media-fallback {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.seminar-card-media-fallback {
    background: linear-gradient(135deg, var(--color-divider), var(--color-surface));
}

.seminar-type-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-accent);
    padding: 0.35rem 0.65rem;
    border-radius: 3px;
}

.seminar-type-badge--inline {
    position: static;
    display: inline-block;
    margin-bottom: 1rem;
}

.seminar-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.75rem;
}

.seminar-card-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 500;
    line-height: 1.25;
    margin: 0;
}

.seminar-card-meta {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin: 0;
}

.seminar-card-meta span + span::before {
    content: ' · ';
    color: var(--color-divider);
}

.seminar-card-excerpt {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    margin: 0;
    line-height: 1.6;
}

.seminar-card-price {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-accent);
    margin: 0.25rem 0 0;
}

.seminar-seats {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
    margin: 0;
    color: var(--color-muted);
}

.seminar-seats--few {
    color: #b45309;
}

.seminar-seats--sold {
    color: #b91c1c;
}

.btn:disabled,
.btn[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
    background: #9ca3af;
    border-color: #9ca3af;
    color: #fff;
}

.seminar-detail-section {
    padding-top: calc(var(--section-padding) * 0.6);
}

.seminar-detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    align-items: start;
}

.seminar-detail-banner {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1.75rem;
    background: var(--color-divider);
}

.seminar-detail-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.seminar-detail-title {
    margin-bottom: 0.75rem;
}

.seminar-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin: 1.25rem 0;
}

.seminar-detail-meta strong {
    display: block;
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.seminar-description {
    margin-top: 2rem;
    max-width: none;
}

.seminar-booking-panel {
    position: relative;
}

.booking-card {
    background: var(--color-surface);
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    padding: 1.75rem;
}

.booking-card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    margin: 0 0 0.75rem;
}

.booking-card-price {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    color: var(--color-accent);
    margin: 0;
}

.booking-divider {
    border: none;
    border-top: 1px solid var(--color-divider);
    margin: 1.25rem 0;
}

.booking-form .form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.booking-form .form-check input {
    width: auto;
    margin-top: 0.2rem;
}

.booking-form .form-check label {
    margin: 0;
    font-weight: 400;
    font-size: var(--text-sm);
}

.booking-submit {
    width: 100%;
    text-align: center;
}

.booking-note {
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--color-muted);
    text-align: center;
    margin: 0.75rem 0 0;
}

.form-error,
.alert--error {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: #b91c1c;
    background: #fef2f2;
    border: 1px solid #fecaca;
    padding: 0.85rem 1rem;
    border-radius: 4px;
}

.payment-success-inner {
    max-width: 560px;
    text-align: center;
    margin: 0 auto;
}

.success-icon {
    margin-bottom: 1.5rem;
}

.success-details {
    text-align: left;
    background: var(--color-surface);
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.success-details p {
    margin: 0 0 0.75rem;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
}

.success-details p:last-child {
    margin-bottom: 0;
}

.success-details strong {
    display: inline-block;
    min-width: 9rem;
    color: var(--color-muted);
    font-weight: 500;
}

.success-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.book-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.book-external-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.book-external-links .btn,
.book-external-links .btn-link {
    width: fit-content;
}

.book-title a {
    color: inherit;
    text-decoration: none;
}

.book-title a:hover {
    color: var(--color-accent);
}

.book-cover-link {
    display: block;
    text-decoration: none;
}

.book-detail-cover {
    max-width: 280px;
    margin-bottom: 1.75rem;
}

.book-detail-cover img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Buy Now modal */
.buy-modal[hidden] {
    display: none !important;
}

.buy-modal {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}

.buy-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 26, 0.45);
}

.buy-modal-dialog {
    position: relative;
    z-index: 1;
    width: min(860px, 100%);
    max-height: 90vh;
    overflow: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    padding: 1.75rem;
}

.buy-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    border: none;
    background: none;
    font-size: 1.75rem;
    line-height: 1;
    color: var(--color-muted);
    cursor: pointer;
}

.buy-modal-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
}

.buy-modal-cover {
    max-width: 180px;
}

.buy-modal-cover img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.buy-modal-book-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    margin: 1rem 0 0.35rem;
}

.buy-modal-book-subtitle {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin: 0;
}

@media (min-width: 768px) {
    .seminars-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .seminar-detail-layout {
        grid-template-columns: 1.5fr 1fr;
        gap: 3rem;
    }

    .seminar-booking-panel {
        position: sticky;
        top: 6rem;
    }

    .buy-modal-layout {
        grid-template-columns: 0.9fr 1.1fr;
        gap: 2rem;
        align-items: start;
    }
}