/* ===== DESIGN TOKENS ===== */
:root {
    --color-teal-deep: #0b2f3a;
    --color-teal: #15505f;
    --color-teal-light: #1e7389;
    --color-teal-muted: #1a4454;
    --color-gold: #c9a84e;
    --color-gold-light: #e0c46e;
    --color-gold-soft: rgba(201, 168, 78, 0.12);
    --color-amber: #d4914a;
    --color-surface: #f8f6f1;
    --color-surface-raised: #ffffff;
    --color-surface-dark: #0e1a1f;
    --color-text: #1c1c28;
    --color-text-secondary: #555566;
    --color-text-muted: #888899;
    --color-border: rgba(0, 0, 0, 0.06);
    --color-white: #ffffff;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --max-width: 1140px;
    --section-spacing: 7rem;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 100px;

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 24px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.12);
    --shadow-book: 0 25px 50px -12px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.04);

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.65;
    background: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

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

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

a:hover {
    color: var(--color-teal-light);
}

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

/* ===== SKIP LINK ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-gold);
    color: var(--color-teal-deep);
    font-weight: 700;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    z-index: 200;
    transition: top 0.2s var(--ease-out);
}

.skip-link:focus {
    top: 0;
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background: rgba(11, 47, 58, 0.85);
    padding: 0.6rem 0;
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-gold-light);
    letter-spacing: -0.01em;
}

.nav-logo:hover {
    color: var(--color-gold);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
}

.nav-links a {
    color: rgba(255,255,255,0.75);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-pill);
    transition: all 0.2s var(--ease-out);
}

.nav-links a:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.nav-cta {
    background: var(--color-gold) !important;
    color: var(--color-teal-deep) !important;
    font-weight: 600 !important;
    padding: 0.45rem 1.1rem !important;
}

.nav-cta:hover {
    background: var(--color-gold-light) !important;
    color: var(--color-teal-deep) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(201, 168, 78, 0.3);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: rgba(255,255,255,0.85);
    border-radius: 2px;
    transition: all 0.3s var(--ease-out);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 7rem 0 5rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, #071e27 0%, var(--color-teal-deep) 30%, var(--color-teal-muted) 70%, #1a3d4d 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 75% 15%, rgba(201, 168, 78, 0.08) 0%, transparent 100%),
        radial-gradient(ellipse 50% 60% at 25% 85%, rgba(30, 115, 137, 0.15) 0%, transparent 100%);
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.015'/%3E%3C/svg%3E");
    opacity: 0.4;
    z-index: -1;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-book {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.book-cover {
    width: 300px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-book);
    transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

.book-cover:hover {
    transform: translateY(-8px) rotate(-0.5deg) scale(1.02);
    box-shadow: 0 35px 70px -15px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.06);
}

.book-rating {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255,255,255,0.06);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255,255,255,0.08);
}

.stars {
    color: var(--color-gold);
    font-size: 0.95rem;
    letter-spacing: 2px;
}

.rating-text {
    color: rgba(255,255,255,0.7);
    font-size: 0.82rem;
    font-weight: 500;
}

.hero-content {
    color: rgba(255,255,255,0.92);
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-gold);
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    color: #fff;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.5vw, 1.65rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-gold-light);
    margin-bottom: 2.25rem;
    opacity: 0.9;
}

.hero-quote {
    border-left: 2px solid var(--color-gold);
    padding-left: 1.25rem;
    margin-bottom: 2rem;
}

.hero-quote p {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.5;
    color: rgba(255,255,255,0.85);
}

.hero-quote cite {
    display: block;
    font-style: normal;
    font-size: 0.85rem;
    color: var(--color-gold);
    margin-top: 0.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.05rem;
    line-height: 1.7;
    opacity: 0.8;
    margin-bottom: 2rem;
    max-width: 520px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.hero-formats {
    font-size: 0.82rem;
    opacity: 0.45;
    font-weight: 400;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 1;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 100px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    border: 1.5px solid transparent;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-teal-deep);
    border-color: var(--color-gold);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
    color: var(--color-teal-deep);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 168, 78, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.3);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-teal);
    border-color: var(--color-teal);
}

.btn-outline:hover {
    background: var(--color-teal);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 0.9rem 2.25rem;
    font-size: 0.95rem;
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--section-spacing) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-teal-deep);
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--color-gold);
    margin: 1.25rem auto 3.5rem;
    border-radius: 2px;
}

/* ===== ABOUT BOOK ===== */
.about-book {
    background: var(--color-surface);
}

.about-book-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: start;
}

.about-book-text .lead {
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--color-teal-deep);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.about-book-text p {
    margin-bottom: 1.25rem;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.75;
}

.about-book-themes h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-teal-deep);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.theme-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.theme-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
    background: var(--color-surface-raised);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all 0.3s var(--ease-out);
}

.theme-list li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.theme-icon {
    font-size: 1.2rem;
    color: var(--color-gold);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.theme-list strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-teal-deep);
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.theme-list p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ===== BANNER ===== */
.banner {
    background: var(--color-teal-deep);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 60% 50%, rgba(201, 168, 78, 0.06) 0%, transparent 100%);
}

.banner-quote {
    text-align: center;
    position: relative;
}

.banner-quote p {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.8vw, 2rem);
    font-style: italic;
    color: var(--color-gold-light);
    line-height: 1.45;
    max-width: 650px;
    margin: 0 auto;
    opacity: 0.9;
}

/* ===== ABOUT AUTHOR ===== */
.about-author {
    background: var(--color-surface-raised);
}

.author-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3.5rem;
    align-items: start;
}

.author-image-wrapper {
    position: sticky;
    top: 100px;
}

.author-photo {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.author-text h3 {
    font-family: var(--font-display);
    font-size: 1.7rem;
    color: var(--color-teal-deep);
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.author-role {
    font-size: 0.88rem;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: 1.75rem;
    letter-spacing: 0.01em;
}

.author-text p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.author-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 2rem;
}

.author-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-teal);
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.25s var(--ease-out);
    background: var(--color-surface);
}

.author-link:hover {
    background: var(--color-teal);
    color: var(--color-white);
    border-color: var(--color-teal);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.author-link svg {
    transition: fill 0.25s var(--ease-out);
}

.author-link:hover svg {
    fill: var(--color-white);
}

/* ===== PURPLESPACE ===== */
.purplespace-section {
    background: var(--color-surface);
}

.purplespace-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.purplespace-badge {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-surface-raised);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    border-left: 3px solid #7b2d8e;
}

.ps-logo-img {
    height: 42px;
    width: auto;
    flex-shrink: 0;
}

.purplespace-badge h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: #7b2d8e;
    margin-bottom: 0.2rem;
    letter-spacing: -0.01em;
}

.ps-tagline {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin: 0;
}

.ps-speaking-img {
    max-width: 300px;
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.75rem;
}

.ps-seb-quote {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-style: italic;
    color: #7b2d8e;
    border-left: 2px solid #7b2d8e;
    padding-left: 1.25rem;
    margin-bottom: 1.75rem;
    opacity: 0.9;
}

.purplespace-info > p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.purplespace-info a {
    color: #7b2d8e;
    font-weight: 600;
}

.purplespace-info a:hover {
    color: #a855c7;
}

.networkologist-card {
    background: linear-gradient(145deg, #4a1259, #6b238e);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    color: rgba(255,255,255,0.92);
    box-shadow: 0 16px 48px rgba(75, 18, 89, 0.25);
    position: sticky;
    top: 100px;
    border: 1px solid rgba(255,255,255,0.08);
}

.networkologist-title {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.networkologist-subtitle {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.networkologist-divider {
    width: 36px;
    height: 2px;
    background: var(--color-gold);
    border-radius: 2px;
    margin-bottom: 1.5rem;
}

.networkologist-role-line {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.15rem;
}

.networkologist-role-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gold-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
}

.networkologist-card > p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin-bottom: 1.5rem;
}

.networkologist-card a:not(.btn) {
    color: var(--color-gold-light);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(224, 196, 110, 0.4);
}

.networkologist-card a:not(.btn):hover {
    color: var(--color-white);
    text-decoration-color: var(--color-white);
}

.btn-purple {
    background: rgba(255,255,255,0.12);
    color: var(--color-white);
    border-color: rgba(255,255,255,0.2);
    font-weight: 600;
    margin-top: 0.5rem;
    backdrop-filter: blur(4px);
}

.btn-purple:hover {
    background: var(--color-white);
    border-color: var(--color-white);
    color: #4a1259;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

@media (max-width: 968px) {
    .purplespace-content {
        grid-template-columns: 1fr;
    }

    .networkologist-card {
        position: static;
    }
}

@media (max-width: 640px) {
    .purplespace-badge {
        flex-direction: column;
        text-align: center;
    }

    .networkologist-card {
        padding: 2rem 1.5rem;
    }
}

/* ===== PRAISE ===== */
.praise {
    background: var(--color-surface);
}

.praise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}



.praise-card {
    background: var(--color-surface-raised);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    transition: all 0.35s var(--ease-out);
}

.praise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.praise-stars {
    color: var(--color-gold);
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.praise-card p {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.praise-source {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.featured-praise {
    background: var(--color-teal-deep);
    color: rgba(255,255,255,0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-color: transparent;
}

.featured-praise .praise-stars {
    color: var(--color-gold-light);
}

.featured-praise p,
.featured-praise .featured-stat {
    color: rgba(255,255,255,0.9);
    font-style: normal;
    font-family: var(--font-body);
    font-size: 1.1rem;
}

.featured-praise strong {
    color: var(--color-gold-light);
    font-size: 1.3rem;
}

.featured-praise .praise-source {
    color: var(--color-gold);
    opacity: 0.7;
}

/* ===== BUY SECTION ===== */
.buy-section {
    background: var(--color-surface-raised);
}

.buy-card {
    background: var(--color-teal-deep);
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3rem;
    align-items: center;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255,255,255,0.04);
    position: relative;
    overflow: hidden;
}

.buy-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 70% at 90% 30%, rgba(201, 168, 78, 0.06) 0%, transparent 100%);
    pointer-events: none;
}

.book-cover-small {
    width: 170px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-book);
    position: relative;
}

.buy-content {
    position: relative;
}

.buy-content h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.buy-content > p {
    color: rgba(255,255,255,0.6);
    font-size: 1rem;
    margin-bottom: 1.75rem;
}

.buy-details {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.buy-detail {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-gold);
    margin-bottom: 0.3rem;
}

.detail-value {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    font-weight: 400;
}

.buy-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.buy-section .btn-primary {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-teal-deep);
}

.buy-section .btn-primary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
}

.buy-kindle-link {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    margin-top: 1rem;
}

.buy-kindle-link a {
    color: var(--color-gold-light);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(224, 196, 110, 0.4);
}

.buy-kindle-link a:hover {
    color: var(--color-white);
    text-decoration-color: var(--color-white);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-surface-dark);
    padding: 3rem 0 2rem;
    color: rgba(255,255,255,0.8);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gold-light);
    letter-spacing: -0.01em;
}

.footer-author {
    font-size: 0.85rem;
    opacity: 0.5;
    margin-top: 0.25rem;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
}

.footer-links a {
    color: rgba(255,255,255,0.5);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.2s var(--ease-out);
}

.footer-links a:hover {
    color: var(--color-gold-light);
}

.footer-copy {
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.3;
}

/* ===== ANIMATIONS ===== */
.animate-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.praise-card.animate-in:nth-child(2) { transition-delay: 0.1s; }
.praise-card.animate-in:nth-child(3) { transition-delay: 0.2s; }
.praise-card.animate-in:nth-child(4) { transition-delay: 0.1s; }
.praise-card.animate-in:nth-child(5) { transition-delay: 0.2s; }
.praise-card.animate-in:nth-child(6) { transition-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-book {
        order: -1;
    }

    .book-cover {
        width: 240px;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-quote {
        border-left: none;
        padding-left: 0;
        border-top: 1.5px solid rgba(201, 168, 78, 0.4);
        border-bottom: 1.5px solid rgba(201, 168, 78, 0.4);
        padding: 1.25rem 0;
    }

    .about-book-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-image-wrapper {
        position: static;
        max-width: 240px;
        margin: 0 auto;
    }

    .author-links {
        justify-content: center;
    }

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

    .buy-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2.5rem;
    }

    .buy-book-img {
        display: flex;
        justify-content: center;
    }

    .buy-details {
        justify-content: center;
    }

    .buy-actions {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    :root {
        --section-spacing: 4.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 47, 58, 0.95);
        flex-direction: column;
        padding: 1.25rem 1.5rem;
        gap: 0.25rem;
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 0.65rem 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 6rem 0 4rem;
        min-height: auto;
    }

    .book-cover {
        width: 200px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .theme-list li {
        padding: 1rem 1.25rem;
    }

    .buy-card {
        padding: 2rem 1.5rem;
    }

    .book-cover-small {
        width: 130px;
    }

    .buy-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .animate-in {
        opacity: 1;
        transform: none;
    }
}

:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
    border-radius: 4px;
}

@media (forced-colors: active) {
    .btn {
        border: 2px solid ButtonText;
    }
}