* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2d1b0e;
    --primary-light: #5c3d2e;
    --accent: #c8956c;
    --accent-light: #e8c9a8;
    --cream: #faf6f1;
    --white: #ffffff;
    --dark: #1a1a1a;
    --gray: #6b7280;
    --gray-light: #f3f4f6;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    color: var(--dark);
    background: var(--cream);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ==================== NAVBAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 246, 241, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 1.6rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--dark);
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:not(.btn-nav):hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent);
}

.btn-nav {
    background: var(--primary);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
}

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

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* ==================== HERO ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2d1b0e 0%, #5c3d2e 50%, #8b5e3c 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(200, 149, 108, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(232, 201, 168, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(200, 149, 108, 0.1) 0%, transparent 40%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8956c' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
    max-width: 750px;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--accent-light);
    margin-bottom: 40px;
    font-weight: 300;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: 'Lato', sans-serif;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 149, 108, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ==================== STATS BAR ==================== */
.stats-bar {
    background: var(--primary);
    padding: 40px 0;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-light);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

/* ==================== SECTION HEADER ==================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(200, 149, 108, 0.15), rgba(200, 149, 108, 0.05));
    color: var(--accent);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 550px;
    margin: 0 auto;
}

/* ==================== FEATURED BOOKS ==================== */
.featured {
    padding: 100px 0;
    background: var(--white);
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.book-card {
    background: var(--cream);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.book-cover {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
}

.book-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.book-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
}

.book-badge.bestseller {
    background: #e74c3c;
}

.book-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.book-card:hover .book-overlay {
    opacity: 1;
}

.btn-add-cart {
    background: var(--white);
    color: var(--primary);
    border: none;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.9rem;
    transform: translateY(20px);
    transition: var(--transition);
    font-family: 'Lato', sans-serif;
}

.book-card:hover .btn-add-cart {
    transform: translateY(0);
}

.btn-add-cart:hover {
    background: var(--accent);
    color: var(--white);
}

.book-info {
    padding: 20px;
}

.book-category {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.book-info h3 {
    font-size: 1.2rem;
    margin: 6px 0 4px;
    color: var(--primary);
}

.book-author {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 12px;
}

.book-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.book-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
}

.old-price {
    text-decoration: line-through;
    color: var(--gray);
    font-weight: 400;
    font-size: 0.9rem;
    margin-left: 6px;
}

.book-rating {
    display: flex;
    align-items: center;
    gap: 4px;
}

.stars {
    color: #f4c430;
    font-size: 0.85rem;
}

.rating-count {
    font-size: 0.8rem;
    color: var(--gray);
}

.section-cta {
    text-align: center;
    margin-top: 50px;
}

/* ==================== CATEGORIES ==================== */
.categories {
    padding: 100px 0;
    background: var(--cream);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.category-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 6px;
}

.category-count {
    font-size: 0.9rem;
    color: var(--gray);
}

/* ==================== PROMO BANNER ==================== */
.promo-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    overflow: hidden;
}

.promo-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.promo-text {
    flex: 1;
}

.promo-tag {
    display: inline-block;
    background: rgba(200, 149, 108, 0.2);
    color: var(--accent-light);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.promo-text h2 {
    font-size: 2.8rem;
    color: var(--white);
    margin-bottom: 16px;
}

.promo-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    line-height: 1.8;
}

.promo-visual {
    flex: 0.8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 3rem;
    color: var(--white);
    position: relative;
}

.promo-book {
    width: 100px;
    height: 130px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.promo-book-1 {
    transform: rotate(-5deg);
}

.promo-book-2 {
    transform: rotate(5deg);
}

.promo-plus, .promo-equals {
    font-size: 2rem;
    color: var(--accent-light);
    font-weight: 700;
}

.promo-price-tag {
    width: 70px;
    height: 70px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ==================== TESTIMONIALS ==================== */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    background: var(--cream);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.testimonial-stars {
    color: #f4c430;
    font-size: 1rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-card > p {
    font-size: 1rem;
    color: var(--dark);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.9rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--primary);
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ==================== ABOUT ==================== */
.about {
    padding: 100px 0;
    background: var(--cream);
}

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

.about-img-placeholder {
    width: 100%;
    aspect-ratio: 4 / 5;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.about-img-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8956c' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.about-text h2 {
    font-size: 2.2rem;
    color: var(--primary);
    margin: 12px 0 24px;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 16px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(200, 149, 108, 0.15), rgba(200, 149, 108, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.about-feature strong {
    display: block;
    font-size: 0.95rem;
    color: var(--primary);
}

.about-feature span {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ==================== NEWSLETTER ==================== */
.newsletter {
    padding: 80px 0;
    background: var(--white);
}

.newsletter-content {
    text-align: center;
    max-width: 550px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.newsletter-content > p {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 32px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 24px;
    border: 2px solid rgba(0, 0, 0, 0.08);
    border-radius: 50px;
    font-size: 1rem;
    font-family: 'Lato', sans-serif;
    transition: var(--transition);
    background: var(--cream);
}

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

.newsletter-form .btn {
    white-space: nowrap;
}

.newsletter-note {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 14px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-links h4 {
    font-family: 'Lato', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-links span {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
    transition: var(--transition);
}

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 968px) {
    .book-grid,
    .category-grid,
    .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .promo-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(250, 246, 241, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-120%);
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .promo-text h2 {
        font-size: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .promo-visual {
        font-size: 2rem;
    }

    .promo-book {
        width: 70px;
        height: 90px;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .book-grid,
    .category-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

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

    .about-img-placeholder {
        aspect-ratio: 1;
    }
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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