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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #20252a;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #065f46;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #20252a;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #065f46;
}

.cta-button {
    background: #065f46;
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #c7a85a;
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #20252a;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero {
    background: linear-gradient(135deg, #065f46 0%, #022c22 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #c7a85a;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #c7a85a;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: #c7a85a;
    color: white;
}

.btn-primary:hover {
    background: #a78335;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #065f46;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.book-cover {
    max-width: 300px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.book-cover:hover {
    transform: rotate(0deg) scale(1.05);
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(245, 158, 11, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c7a85a;
    font-size: 24px;
    animation: float 3s ease-in-out infinite;
}

.icon-1 {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.icon-2 {
    bottom: 20%;
    left: 10%;
    animation-delay: 1s;
}

.icon-3 {
    top: 50%;
    right: -10%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #065f46;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    color: #4b5563;
    max-width: 600px;
    margin: 0 auto;
}

.book-intro {
    max-width: 820px;
    margin: 28px auto 0;
    text-align: left;
    padding: 24px 28px;
    border-left: 4px solid #c7a85a;
    background: rgba(255, 255, 255, 0.72);
    border-radius: 0 14px 14px 0;
}

.book-intro p {
    max-width: none;
    margin: 0 0 12px;
    font-size: 1rem;
    line-height: 1.75;
    color: #4b5563;
}

.book-intro p:last-child {
    margin-bottom: 0;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f7f8f6;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.about-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-10px);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #065f46, #022c22);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 30px;
}

.about-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #065f46;
    margin-bottom: 15px;
}

.about-card p {
    color: #4b5563;
    line-height: 1.6;
}

.about-image {
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Contents Section */
.contents {
    padding: 100px 0;
}

.contents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.chapter {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.chapter:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.chapter-number {
    font-size: 2rem;
    font-weight: 700;
    color: #c7a85a;
    min-width: 60px;
}

.chapter-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #065f46;
    margin-bottom: 10px;
}

.chapter-content p {
    color: #4b5563;
    line-height: 1.6;
}

.contents-visual {
    text-align: center;
}

.contents-visual img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Author Section */
.author {
    padding: 100px 0;
    background: #f7f8f6;
}

.author-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.author-image img {
    display: block;
    width: 280px;
    height: 280px;
    max-width: 100%;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 22%;
    border: 6px solid white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.14);
}

.author-info h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #065f46;
    margin-bottom: 10px;
}

.author-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #c7a85a;
    margin-bottom: 5px;
}

.author-title {
    color: #4b5563;
    font-style: italic;
    margin-bottom: 20px;
}

.author-bio {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 30px;
}

.author-credentials {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.credential {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #065f46;
    font-weight: 500;
}

.credential i {
    color: #c7a85a;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.testimonial:hover {
    transform: translateY(-5px);
}

.stars {
    color: #c7a85a;
    margin-bottom: 20px;
}

.testimonial-content p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-content .rating-number {
    color: #065f46;
    font-size: 1.25rem;
    font-weight: 700;
    font-style: normal;
    margin-bottom: 10px;
}

.testimonial-content .text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #065f46;
    font-weight: 700;
    font-style: normal;
    text-decoration: none;
}

.testimonial-content .text-link:hover {
    color: #c7a85a;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: #065f46;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.author-details h4 {
    font-weight: 600;
    color: #065f46;
}

.author-details span {
    color: #4b5563;
    font-size: 0.9rem;
}

/* Purchase Section */
.purchase {
    padding: 100px 0;
    background: linear-gradient(135deg, #065f46 0%, #022c22 100%);
    color: white;
}

.purchase-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    align-items: center;
}

.purchase-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.purchase-info p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.price-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.original-price {
    font-size: 1.2rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #c7a85a;
}

.discount-badge {
    background: #c7a85a;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.purchase-features {
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.feature i {
    color: #c7a85a;
}

.purchase-buttons {
    display: flex;
    gap: 20px;
}

.btn-large {
    padding: 18px 35px;
    font-size: 1.1rem;
}

.purchase-image {
    position: relative;
    text-align: center;
}

.purchase-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.guarantee-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background: #c7a85a;
    color: white;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.guarantee-badge i {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

/* Footer */
.footer {
    background: #0b1f33;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #c7a85a;
    margin-bottom: 20px;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section p {
    color: #d9e2dc;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #d9e2dc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #c7a85a;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #20252a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--gold);
    transform: translateY(-2px);
}

.x-mark {
    font-family: Arial, sans-serif;
    font-size: 1.05rem;
    line-height: 1;
}

.footer-bottom {
    border-top: 1px solid #20252a;
    padding-top: 20px;
    text-align: center;
    color: #82938a;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contents-grid {
        grid-template-columns: 1fr;
    }
    
    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-image img {
        width: 220px;
        height: 220px;
    }
    
    .purchase-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .purchase-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .chapter {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}


/* Premium editorial direction inspired by the supplied reference site */
:root {
    --emerald-950: #03251c;
    --emerald-900: #063c2c;
    --emerald-800: #07563d;
    --emerald-700: #0b6b4b;
    --emerald-100: #e3eee8;
    --cream: #f7f4ec;
    --paper: #fffdf8;
    --ink: #1e2923;
    --muted: #68756e;
    --gold: #c7a85a;
    --line: rgba(6, 60, 44, 0.16);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    color: var(--ink);
    background: var(--paper);
    letter-spacing: -0.01em;
}

h1, h2, h3, h4, .nav-logo h2 {
    font-family: 'Playfair Display', Georgia, serif;
    letter-spacing: -0.03em;
}

.navbar {
    background: rgba(255, 253, 248, 0.94);
    border-bottom: 1px solid rgba(6, 60, 44, 0.10);
    backdrop-filter: blur(16px);
}

.nav-container {
    height: 78px;
}

.nav-logo h2 {
    color: var(--emerald-900);
    font-size: clamp(0.86rem, 1.45vw, 1.08rem);
    font-weight: 600;
    line-height: 1;
    max-width: none;
    white-space: nowrap;
}

.nav-menu {
    gap: 26px;
}

.nav-link {
    color: var(--emerald-900);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

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

.cta-button {
    background: var(--emerald-900);
    padding: 12px 18px;
    border-radius: 2px;
    letter-spacing: 0.08em;
}

.cta-button:hover {
    background: var(--gold);
    transform: none;
}

.hamburger .bar {
    background: var(--emerald-900);
}

.hero {
    min-height: 740px;
    background: var(--emerald-900);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 78% 22%, rgba(199, 168, 90, 0.13), transparent 25%), linear-gradient(120deg, rgba(3, 37, 28, 0.86), rgba(7, 86, 61, 0.92));
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1240px;
    gap: 100px;
    padding-top: 70px;
}

.hero-content {
    max-width: 620px;
}

.hero-title {
    font-size: clamp(2.65rem, 4.25vw, 4.3rem);
    font-weight: 500;
    line-height: 1.07;
    margin-bottom: 20px;
}

.highlight {
    color: #dbc47d;
}

.hero-subtitle {
    max-width: 500px;
    font-size: 1rem;
    line-height: 1.7;
    opacity: 0.82;
    margin-bottom: 28px;
}

.hero-discover {
    margin-bottom: 12px;
}

.hero-introduction {
    max-width: 520px;
    margin-bottom: 20px;
}

.hero-intro-lead {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.05rem;
    line-height: 1.4;
}

.hero-questions {
    display: grid;
    gap: 4px;
    padding: 0;
    list-style: none;
    color: rgba(255, 255, 255, 0.74);
    font-size: 0.8rem;
    line-height: 1.4;
}

.hero-questions li {
    position: relative;
    padding-left: 17px;
}

.hero-questions li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #dbc47d;
    font-size: 1.05rem;
    line-height: 1;
}

.hero-stats {
    gap: 0;
    margin-bottom: 38px;
}

.stat {
    min-width: 118px;
    padding-right: 20px;
    margin-right: 20px;
    text-align: left;
    border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.stat:last-child {
    border-right: 0;
}

.stat-number {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2rem;
    color: #dbc47d;
}

.stat-label {
    font-size: 0.66rem;
    line-height: 1.35;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    opacity: 0.68;
}

.hero-buttons {
    gap: 14px;
}

.btn {
    border-radius: 8px;
    padding: 15px 23px;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-primary {
    background: var(--gold);
    color: var(--emerald-950);
}

.btn-primary:hover {
    background: #e1c77c;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.btn-secondary {
    border-color: rgba(255, 255, 255, 0.45);
    color: white;
    border-radius: 8px;
}

.btn-secondary:hover {
    background: white;
    color: var(--emerald-900);
}

.hero-image {
    min-height: 500px;
}

.book-cover {
    max-width: 330px;
    border-radius: 3px;
    box-shadow: 22px 28px 55px rgba(0, 0, 0, 0.32);
    transform: rotate(2deg);
}

.book-cover:hover {
    transform: rotate(0deg) scale(1.025);
}

.about, .author {
    background: var(--cream);
}

.about, .contents, .author, .testimonials {
    padding: 125px 0;
}

.section-header {
    margin-bottom: 64px;
}

.section-header h2 {
    max-width: 720px;
    margin: 0 auto 17px;
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 500;
    line-height: 1.08;
    color: var(--emerald-900);
}

.section-header p {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.75;
}

.book-intro {
    max-width: 780px;
    margin: 34px auto 0;
    padding: 28px 32px;
    background: transparent;
    border-left: 1px solid var(--gold);
    border-radius: 0;
}

.book-intro p {
    color: var(--ink);
    font-size: 1.03rem;
    line-height: 1.85;
}

.about-grid {
    gap: 0;
    margin-top: 72px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.about-card {
    background: transparent;
    padding: 36px 30px 42px;
    border-right: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    text-align: left;
}

.about-card:last-child {
    border-right: 0;
}

.about-card:hover {
    transform: none;
    background: rgba(255, 253, 248, 0.55);
}

.card-icon {
    width: auto;
    height: auto;
    margin: 0 0 26px;
    background: transparent;
    border-radius: 0;
    justify-content: flex-start;
    color: var(--gold);
    font-size: 1.45rem;
}

.about-card h3 {
    font-size: 1.55rem;
    font-weight: 500;
    color: var(--emerald-900);
    margin-bottom: 12px;
}

.about-card p {
    color: var(--muted);
    line-height: 1.75;
}

.contents {
    background: var(--paper);
}

.contents-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 56px;
    border-top: 1px solid var(--line);
}

.chapter {
    gap: 24px;
    padding: 30px 0;
    background: transparent;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
}

.chapter:hover {
    transform: none;
    box-shadow: none;
}

.chapter-number {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--gold);
    min-width: 46px;
}

.chapter-content h3 {
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--emerald-900);
    margin-bottom: 8px;
}

.chapter-content p {
    color: var(--muted);
    line-height: 1.7;
}

.author-content {
    gap: 92px;
}

.author-image img {
    width: 320px;
    height: 320px;
    border: 1px solid rgba(199, 168, 90, 0.55);
    box-shadow: 18px 20px 0 rgba(6, 60, 44, 0.10);
}

.author-info h2 {
    font-size: clamp(2.3rem, 4vw, 3.7rem);
    font-weight: 500;
    color: var(--emerald-900);
}

.author-info h3 {
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--gold);
}

.author-title, .author-bio {
    color: var(--muted);
}

.author-bio {
    line-height: 1.85;
}

.credential {
    color: var(--emerald-800);
    font-size: 0.94rem;
}

.testimonials {
    background: var(--paper);
}

.testimonials-grid {
    gap: 24px;
}

.testimonial {
    background: var(--cream);
    padding: 38px 34px;
    border: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
}

.testimonial:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 30px rgba(6, 60, 44, 0.08);
}

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

.testimonial-content p {
    color: var(--muted);
}

.testimonial-content .rating-number {
    color: var(--emerald-900);
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.55rem;
}

.testimonial-content .text-link {
    color: var(--emerald-800);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.testimonial-avatar {
    background: var(--emerald-900);
}

.author-details h4 {
    color: var(--emerald-900);
}

.author-details span {
    color: var(--muted);
}

.purchase {
    padding: 110px 0;
    background: var(--emerald-900);
}

.purchase-content {
    max-width: 900px;
}

.purchase-info h2 {
    max-width: 700px;
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 500;
    line-height: 1.08;
}

.purchase-info p {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.8;
}

.current-price {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.5rem;
    color: #dbc47d;
}

.discount-badge {
    background: transparent;
    border: 1px solid rgba(219, 196, 125, 0.6);
    color: #dbc47d;
    border-radius: 2px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer {
    background: var(--emerald-950);
    padding: 74px 0 24px;
}

.footer-section h3, .footer-section h4 {
    font-family: 'Playfair Display', Georgia, serif;
}

.footer-section h3 {
    color: #dbc47d;
    font-size: 1.7rem;
    font-weight: 500;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 500;
    color: white;
}

.footer-section p, .footer-section ul li a {
    color: rgba(255, 255, 255, 0.66);
}

.social-links a {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
}

.social-links a:hover {
    background: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 768px) {
    .nav-container {
        height: 70px;
    }

    .nav-menu {
        top: 70px;
        background: var(--paper);
    }

    .hero {
        min-height: auto;
        padding: 110px 0 90px;
    }

    .hero-container {
        gap: 52px;
        padding-top: 30px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-title {
        font-size: clamp(2.4rem, 10vw, 3.5rem);
    }

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

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

    .stat {
        min-width: auto;
        padding-right: 16px;
        margin-right: 16px;
    }

    .hero-image {
        min-height: 390px;
    }

    .about, .contents, .author, .testimonials {
        padding: 88px 0;
    }

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

    .about-card {
        border-bottom: 1px solid var(--line);
    }

    .about-card:nth-child(2) {
        border-right: 0;
    }

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

    .author-content {
        gap: 48px;
    }
}

@media (max-width: 480px) {
    .nav-logo h2 {
        font-size: 0.82rem;
        max-width: none;
    }

    .hero-stats {
        gap: 0;
    }

    .stat-number {
        font-size: 1.55rem;
    }

    .stat-label {
        font-size: 0.62rem;
    }

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

    .about-card, .about-card:nth-child(2) {
        border-right: 0;
    }

    .book-intro {
        padding: 22px 20px;
    }
}

/* Reader review carousel */
.reviews-carousel {
    max-width: 820px;
    margin: 0 auto;
}

.reviews-carousel .testimonials-grid {
    display: block;
    position: relative;
    min-height: 330px;
}

.reviews-carousel .review-slide {
    display: none;
    min-height: 330px;
    margin: 0;
    animation: reviewFade 0.45s ease;
}

.reviews-carousel .review-slide.is-active {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.review-quote {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(1.25rem, 2.2vw, 1.65rem);
    line-height: 1.6 !important;
    color: var(--ink) !important;
    font-style: normal !important;
    margin-bottom: 34px !important;
}

.country-flag {
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', sans-serif;
    font-size: 1rem;
    margin-left: 4px;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 26px;
}

.carousel-button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: transparent;
    color: var(--emerald-900);
    cursor: pointer;
    transition: all 0.25s ease;
}

.carousel-button:hover,
.carousel-button:focus-visible {
    color: white;
    background: var(--emerald-900);
    border-color: var(--emerald-900);
}

.carousel-dots {
    display: flex;
    align-items: center;
    gap: 9px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(6, 60, 44, 0.25);
    cursor: pointer;
    transition: all 0.25s ease;
}

.carousel-dot.is-active {
    width: 24px;
    border-radius: 8px;
    background: var(--gold);
}

@keyframes reviewFade {
    from { opacity: 0; transform: translateX(12px); }
    to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 480px) {
    .reviews-carousel .testimonials-grid,
    .reviews-carousel .review-slide {
        min-height: 430px;
    }

    .reviews-carousel .review-slide {
        padding: 30px 24px;
    }
}

/* Final hero spacing polish */
.hero-container {
    padding-top: 100px;
    padding-bottom: 58px;
}

.hero-buttons {
    margin-top: 4px;
}

@media (max-width: 768px) {
    .hero {
        padding-bottom: 108px;
    }

    .hero-container {
        padding-top: 54px;
        padding-bottom: 48px;
    }
}