:root {
    --bg-primary: #0d0d0d;
    --bg-secondary: #161616;
    --bg-card: #1e1e1e;
    --bg-card-hover: #252525;
    --accent: #ff6b00;
    --accent-hover: #ff8533;
    --accent-dim: rgba(255, 107, 0, 0.15);
    --text-primary: #ffffff;
    --text-muted: #9ca3af;
    --border: rgba(255, 255, 255, 0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --header-height: 72px;
    --ad-banner-height: 36px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--ad-banner-height) + var(--header-height) + 24px);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

.text-center { text-align: center; }
.mb-4 { margin-bottom: 48px; }

.accent-text {
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.75rem;
    display: block;
    margin-bottom: 12px;
}

.highlight {
    color: var(--accent);
}

/* Ad banner */
.ad-notice-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.ad-badge {
    padding: 3px 8px;
    background: var(--accent-dim);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
}

.hero-ad-label {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Header */
.site-header {
    position: fixed;
    top: var(--ad-banner-height);
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(13, 13, 13, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.site-header.scrolled {
    padding: 12px 0;
    background: rgba(13, 13, 13, 0.98);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.03em;
    flex-shrink: 0;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a:not(.btn) {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--text-primary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    margin: 5px 0;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8rem;
}

.btn-primary,
a.btn-primary,
.nav-links a.btn-primary,
.sticky-cta a.btn-primary,
.final-cta a.btn-primary {
    background: var(--accent);
    color: #0d0d0d !important;
}

.btn-primary:hover,
a.btn-primary:hover {
    background: var(--accent-hover);
    color: #0d0d0d !important;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #0d0d0d;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--ad-banner-height) + var(--header-height) + 48px);
    padding-bottom: 80px;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content .hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.75rem);
    text-transform: uppercase;
    margin-bottom: 24px;
    line-height: 1.05;
}

.hero-content > p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-content > p a {
    color: var(--accent);
    text-decoration: none;
}

.hero-content > p a:hover {
    text-decoration: underline;
}

.cta-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.trust-ribbon {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.trust-ribbon span::before {
    content: '●';
    color: var(--accent);
    margin-right: 8px;
    font-size: 0.5rem;
    vertical-align: middle;
}

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

/* Order widget (tracking-style card) */
.order-widget {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
    width: 260px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.order-widget-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-weight: 600;
}

.order-widget-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 16px;
}

.price-old {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.price-current {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
}

.order-widget .btn {
    width: 100%;
    text-align: center;
}

.book-promo-box {
    position: relative;
    max-width: 320px;
    margin: 60px auto 0;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.badge {
    position: absolute;
    padding: 5px 12px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    z-index: 2;
}

.badge-discount {
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
}

.badge-bestseller {
    top: -8px;
    left: -8px;
    background: var(--accent);
    color: #0d0d0d;
}

.badge-sa {
    top: 40%;
    left: -12px;
    background: #059669;
    color: white;
    font-size: 0.6rem;
    transform: rotate(-8deg);
}

.badge-limited {
    bottom: -6px;
    right: 50%;
    transform: translateX(50%);
    background: #7c3aed;
    color: white;
    font-size: 0.6rem;
}

.book-cover-wrap {
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
}

.book-cover-wrap img {
    width: 100%;
    display: block;
}

.book-price-block {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
    margin-bottom: 16px;
}

.btn-book {
    width: 100%;
    text-align: center;
}

/* Why choose us */
.why-section {
    background: var(--bg-secondary);
}

.why-section h2,
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-intro {
    max-width: 640px;
    margin: 0 auto 56px;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: var(--transition);
}

.why-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 107, 0, 0.25);
    transform: translateY(-4px);
}

.why-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 12px;
    opacity: 0.9;
}

.why-card h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Stats */
.stats-section {
    padding: 80px 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-headline {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    text-transform: uppercase;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 56px;
    line-height: 1.2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item strong {
    display: block;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stat-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Cards (general) */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 48px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(255, 107, 0, 0.2);
}

.practical {
    background: var(--bg-primary);
}

.practical-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.practical .card h3 {
    font-size: 1rem;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.practical .card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Featured */
.featured {
    background: var(--bg-secondary);
}

.featured-scroll {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.featured-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.featured-card:hover {
    border-color: rgba(255, 107, 0, 0.3);
    transform: translateY(-4px);
}

.featured-card h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.featured-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Lifestyle */
.lifestyle-section {
    background: var(--bg-primary);
}

.lifestyle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.lifestyle-image img {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.lifestyle-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.lifestyle-content p {
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

/* Recipes */
.recipes {
    background: var(--bg-secondary);
}

.recipe-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.recipe-card {
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.recipe-card:hover {
    border-color: rgba(255, 107, 0, 0.3);
    transform: translateY(-4px);
}

.recipe-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
}

.recipe-card:hover img {
    transform: scale(1.05);
}

.recipe-info {
    padding: 24px;
}

.recipe-info h3 {
    font-size: 1rem;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.recipe-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Author */
.author {
    background: var(--bg-primary);
}

.author .card {
    padding: 48px;
}

.author-content h2 a {
    color: inherit;
    text-decoration: none;
}

.author-content h2 a:hover {
    color: var(--accent);
}

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

/* FAQ */
.faq {
    background: var(--bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 24px 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-question span {
    flex-shrink: 0;
    font-size: 1.25rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question span {
    transform: rotate(45deg);
}

.faq-answer {
    color: var(--text-muted);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

.faq-answer p {
    padding-bottom: 24px;
    line-height: 1.7;
    font-size: 0.9rem;
}

/* Final CTA */
.final-cta {
    background: var(--accent);
    color: #0d0d0d;
    padding: 80px 0;
    text-align: center;
}

.final-cta h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    text-transform: uppercase;
    margin-bottom: 20px;
    color: #0d0d0d;
}

.final-cta p {
    font-size: 1.05rem;
    margin-bottom: 32px;
    color: rgba(13, 13, 13, 0.85);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta .btn-primary {
    background: #0d0d0d;
    color: #fff !important;
}

.final-cta .btn-primary:hover {
    background: #2a2a2a;
    color: #fff !important;
}

/* Partners */
.partners {
    background: var(--bg-primary);
}

.partner-books-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-book {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.partner-book:hover {
    transform: translateY(-6px);
}

.partner-book-cover {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    margin-bottom: 12px;
    transition: var(--transition);
}

.partner-book:hover .partner-book-cover {
    border-color: var(--accent);
}

.partner-book-cover img {
    width: 100%;
    display: block;
    aspect-ratio: 2/3;
    object-fit: cover;
}

.partner-book-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.4;
}

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

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 80px 0 48px;
    border-top: 1px solid var(--border);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 32px;
    margin-bottom: 40px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-disclaimer {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.7;
}

.footer-disclaimer p {
    margin-bottom: 16px;
}

.footer-disclaimer-title {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.85rem;
    margin-top: 24px !important;
    margin-bottom: 8px !important;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-disclaimer-title:first-child {
    margin-top: 0 !important;
}

.footer-copyright {
    margin-top: 28px !important;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: 0.8s ease;
}

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

/* Legal pages */
.legal-page {
    padding: calc(var(--ad-banner-height) + var(--header-height) + 60px) 0 80px;
    min-height: 60vh;
}

.legal-content {
    max-width: 760px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2.5rem;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.legal-content .legal-updated {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.legal-content h2 {
    font-size: 1.25rem;
    text-transform: uppercase;
    margin: 36px 0 12px;
}

.legal-content p,
.legal-content li {
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.7;
    font-size: 0.95rem;
}

.legal-content ul {
    margin: 0 0 20px 24px;
}

.legal-content a {
    color: var(--accent);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    margin-top: 28px;
}

.contact-email {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
}

.contact-email a {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-content {
        text-align: center;
    }

    .hero-content > p {
        margin-left: auto;
        margin-right: auto;
    }

    .cta-group {
        justify-content: center;
    }

    .trust-ribbon {
        justify-content: center;
    }

    .order-widget {
        position: relative;
        width: 100%;
        max-width: 320px;
        margin: 0 auto 24px;
    }

    .hero-visual {
        flex-direction: column;
    }

    .book-promo-box {
        margin-top: 0;
    }

    .why-grid,
    .practical-grid,
    .featured-scroll,
    .recipe-grid,
    .lifestyle-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

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

@media (max-width: 768px) {
    section {
        padding: 72px 0;
    }

    .ad-notice-banner {
        flex-wrap: wrap;
        gap: 6px;
        padding: 6px 12px;
        font-size: 0.65rem;
    }

    .ad-notice-banner span:last-child {
        flex-basis: 100%;
        text-align: center;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: calc(var(--ad-banner-height) + 56px);
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links a:not(.btn) {
        padding: 14px 0;
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    .nav-links .btn {
        margin-top: 12px;
        width: 100%;
        text-align: center;
    }

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

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

    .partner-books-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) {
    .sticky-cta {
        display: none;
    }
}