:root {
    --bg: #FDFBF7;
    --bg-alt: #F6F2EB;
    --card: #FFFFFF;
    --card-border: rgba(0,0,0,0.06);
    --text: #2D2A26;
    --text-dim: #5C5650;
    --text-muted: #9A9189;
    --accent: #C9A227;
    --accent-dark: #A88620;
    --accent-glow: rgba(201,162,39,0.15);
    --accent-soft: rgba(201,162,39,0.06);
    --red: #C0392B;
    --red-soft: rgba(192,57,43,0.08);
    --border: rgba(0,0,0,0.06);
    --radius: 12px;
    --radius-lg: 20px;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
a { transition: color 0.2s, transform 0.2s; }

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    border: none;
    font-family: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px rgba(201,162,39,0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201,162,39,0.35);
}
.btn-large { padding: 18px 40px; font-size: 17px; }
.btn .icon { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* SECTIONS */
section {
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 14px;
}
.section-title {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text);
}
.icon { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 16px; height: 16px; }

/* HEADER */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(253,251,247,0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* HERO */
#hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 40px;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 60px;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-soft);
    border: 1px solid rgba(201,162,39,0.15);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-dark);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
.hero-title {
    font-size: clamp(32px, 5vw, 50px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text);
}
.hero-subtitle {
    font-size: 17px;
    color: var(--text-dim);
    margin-bottom: 28px;
    line-height: 1.7;
    max-width: 520px;
}
.hero-price {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 20px;
}
.hero-price .old {
    font-size: 20px;
    color: var(--text-muted);
    text-decoration: line-through;
}
.hero-price .new {
    font-size: 44px;
    font-weight: 700;
    color: var(--accent);
}
.hero-price .curr { font-size: 22px; color: var(--accent); font-weight: 600; }
.hero-meta {
    display: flex;
    gap: 20px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.hero-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* BOOK COVER MOCKUP */
.book-wrap { position: relative; perspective: 800px; }
.book-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    filter: blur(30px);
    z-index: -1;
}
.book-mockup {
    width: 280px;
    height: 400px;
    position: relative;
    transform: rotateY(-8deg);
    transform-style: preserve-3d;
}
.book-spine {
    position: absolute;
    left: -18px;
    top: 4px;
    width: 20px;
    height: 392px;
    background: linear-gradient(135deg, #1a1714, #2D2A26);
    transform: rotateY(90deg) translateZ(0px);
    transform-origin: right;
    border-radius: 3px 0 0 3px;
}
.book-front {
    width: 100%;
    height: 100%;
    background: linear-gradient(160deg, #2D2A26 0%, #1a1714 100%);
    border-radius: 0 8px 8px 0;
    box-shadow:
        -6px 6px 20px rgba(0,0,0,0.2),
        0 30px 60px rgba(0,0,0,0.15),
        inset 0 0 0 1px rgba(255,255,255,0.05);
    overflow: hidden;
    position: relative;
}
.book-front::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        linear-gradient(135deg, transparent 40%, rgba(201,162,39,0.08) 50%, transparent 60%),
        repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(201,162,39,0.04) 39px, rgba(201,162,39,0.04) 40px);
}
.book-front-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 32px 28px;
    text-align: center;
}
.book-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--accent);
    border: 1px solid rgba(201,162,39,0.3);
    padding: 4px 12px;
    border-radius: 3px;
    margin-bottom: 32px;
}
.book-mock-title {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 12px;
}
.book-mock-sub {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 32px;
    letter-spacing: 0.5px;
}
.book-mock-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}
.book-mock-pages {
    font-size: 10px;
    color: rgba(255,255,255,0.35);
    letter-spacing: 0.5px;
}

/* TRUST STRIP */
.trust-strip {
    padding: 16px 0;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.trust-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
}
.trust-stat { text-align: center; }
.trust-stat .num { font-weight: 700; color: var(--accent-dark); font-size: 18px; }
.trust-stat .label { color: var(--text-muted); font-size: 10px; display: block; text-transform: uppercase; letter-spacing: 1px; }

/* VIDEO */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 3px solid var(--card-border);
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
    margin-top: 24px;
}
.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* PROBLEMS */
.problem-list { display: grid; gap: 14px; }
.problem-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
}
.problem-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--red-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.problem-icon svg { stroke: var(--red); width: 18px; height: 18px; fill: none; stroke-width: 2; }

/* COMPARISON */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 32px;
}
.compare-box {
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--card-border);
}
.compare-box.bad { background: rgba(192,57,43,0.03); border-color: rgba(192,57,43,0.12); }
.compare-box.good { background: var(--accent-soft); border-color: rgba(201,162,39,0.15); }
.compare-title { font-weight: 700; font-size: 14px; margin-bottom: 14px; }
.compare-list { list-style: none; display: grid; gap: 10px; }
.compare-list li {
    display: flex; gap: 8px;
    font-size: 14px; color: var(--text-dim);
    line-height: 1.5;
}
.compare-list li svg { flex-shrink: 0; margin-top: 3px; width: 16px; height: 16px; fill: none; stroke-width: 2; }

/* SCIENCE BOX */
.science-box {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 24px 28px;
    margin: 32px 0;
}
.science-source {
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 8px;
    display: block;
}

/* CHAPTERS */
.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
    margin-top: 28px;
}
.chapter-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    transition: border-color 0.2s;
}
.chapter-item:hover { border-color: rgba(201,162,39,0.2); }
.chapter-num { font-size: 22px; font-weight: 700; color: var(--accent); opacity: 0.5; min-width: 32px; }
.chapter-title { font-weight: 600; font-size: 14px; margin-bottom: 3px; }
.chapter-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; }

/* TAKEAWAYS */
.takeaway-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 14px;
    margin-top: 28px;
}
.takeaway-item {
    padding: 18px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-dim);
}
.takeaway-item strong { color: var(--text); }
.takeaway-page { color: var(--accent); font-size: 11px; font-weight: 600; display: block; margin-top: 6px; }

/* TESTIMONIALS */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 28px;
}
.testimonial-card {
    padding: 24px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
}
.testimonial-text {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 16px;
}
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.testimonial-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #fff;
}
.testimonial-name { font-weight: 600; font-size: 13px; }
.testimonial-badge { font-size: 11px; color: var(--accent-dark); }

/* AUTHOR */
.author-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: center;
}
.author-avatar {
    width: 240px; height: 280px;
    border-radius: var(--radius-lg);
    background-size: cover;
    background-position: center top;
    border: 1px solid var(--card-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.author-stats { display: flex; gap: 20px; margin-top: 20px; flex-wrap: wrap; }
.author-stat { text-align: center; }
.author-stat .num { font-weight: 700; color: var(--accent-dark); font-size: 20px; display: block; }
.author-stat .label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* BONUSES */
.bonus-list { display: grid; gap: 12px; margin-top: 28px; }
.bonus-item {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
}
.bonus-title { font-weight: 600; font-size: 15px; margin-bottom: 3px; }
.bonus-desc { font-size: 12px; color: var(--text-dim); }
.bonus-value { font-weight: 700; color: var(--text-muted); text-decoration: line-through; font-size: 14px; white-space: nowrap; }

/* PRICING */
.pricing-box {
    max-width: 560px;
    margin: 0 auto;
    padding: 40px;
    background: var(--card);
    border: 2px solid rgba(201,162,39,0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}
.value-stack { margin: 20px 0; text-align: left; }
.value-stack-item {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-dim);
}
.value-stack-item .val { color: var(--text-muted); text-decoration: line-through; }
.value-total {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-weight: 700;
    font-size: 16px;
    color: var(--text);
}
.price-final { margin: 20px 0; }
.price-final .amount { font-size: 56px; font-weight: 700; color: var(--accent); line-height: 1; }
.price-final .currency { font-size: 24px; color: var(--accent); font-weight: 600; }
.price-final .note { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.pricing-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.pricing-badges span {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--text-muted);
}

/* URGENCY */
.urgency-bar {
    background: var(--card);
    border: 2px solid rgba(192,57,43,0.2);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    margin-bottom: 28px;
    animation: urgencyPulse 3s ease-in-out infinite;
}
@keyframes urgencyPulse {
    0%,100% { border-color: rgba(192,57,43,0.2); box-shadow: 0 0 0 rgba(192,57,43,0); }
    50% { border-color: rgba(192,57,43,0.35); box-shadow: 0 0 20px rgba(192,57,43,0.06); }
}
.urgency-title { font-size: 15px; font-weight: 700; color: var(--red); margin-bottom: 6px; }
.countdown { display: flex; justify-content: center; gap: 10px; margin-top: 12px; }
.countdown-block { background: var(--bg-alt); border-radius: 8px; padding: 8px 16px; min-width: 56px; }
.countdown-num { font-size: 24px; font-weight: 700; color: var(--accent-dark); line-height: 1; }
.countdown-label { font-size: 9px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* GUARANTEE */
.guarantee-card {
    max-width: 640px;
    margin: 0 auto;
    padding: 40px;
    background: var(--accent);
    border-radius: var(--radius-lg);
    text-align: center;
    color: #fff;
}
.guarantee-card h2 { font-size: 24px; margin-bottom: 12px; }
.guarantee-card p { font-size: 15px; line-height: 1.7; opacity: 0.9; }

.guarantee-box {
    max-width: 640px;
    margin: 0 auto;
    padding: 48px 40px;
    background: var(--card);
    border: 2px solid rgba(201,162,39,0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}
.guarantee-icon {
    margin-bottom: 20px;
}

/* BOOK COVER IMAGE */
.book-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0 8px 8px 0;
    display: block;
}

/* FAQ */
.faq-list { max-width: 660px; margin: 28px auto 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    background: none;
    border: none;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}
.faq-question svg { width: 18px; height: 18px; stroke: var(--accent); fill: none; stroke-width: 2; transition: transform 0.3s; flex-shrink: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 0 18px; color: var(--text-dim); font-size: 14px; line-height: 1.7; }
.faq-item.active .faq-question svg { transform: rotate(45deg); }
.faq-item.active .faq-answer { max-height: 300px; }

/* FINAL CTA */
.final-cta { text-align: center; max-width: 640px; margin: 0 auto; }
.final-cta h2 { font-size: clamp(24px, 3.5vw, 36px); font-weight: 700; margin-bottom: 16px; }

/* SCROLL PROGRESS */
.scroll-progress {
    position: fixed; top: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    z-index: 9999;
}

/* STICKY CTA */
.sticky-cta {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: rgba(253,251,247,0.95);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border);
    padding: 10px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.3s;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta-text { font-size: 13px; color: var(--text-dim); }
.sticky-cta .btn { padding: 10px 24px; font-size: 13px; }

/* FOOTER */
footer {
    padding: 28px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
}
footer a { color: var(--text-muted); }

/* ANIMATIONS */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
section {
    opacity: 0; transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
section.visible { opacity: 1; transform: translateY(0); }
#hero, .trust-strip { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 768px) {
    section { padding: 56px 0; }
    .hero-grid { grid-template-columns: 1fr; gap: 32px; text-align: center; }
    .book-wrap { order: -1; }
    .book-mockup { width: 200px; height: 290px; margin: 0 auto; }
    .book-spine { height: 282px; }
    .book-mock-title { font-size: 20px; }
    .book-front-inner { padding: 24px 20px; }
    .book-label { margin-bottom: 20px; }
    .book-mock-sub { margin-bottom: 20px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-price { justify-content: center; }
    .hero-meta { justify-content: center; }
    .hero-content .btn { width: 100%; justify-content: center; }
    .author-grid { grid-template-columns: 1fr; text-align: center; }
    .author-avatar { width: 160px; height: 200px; margin: 0 auto; }
    .author-stats { justify-content: center; }
    .compare-grid { grid-template-columns: 1fr; }
    .chapters-grid, .takeaway-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .pricing-box { padding: 28px 20px; }
    .price-final .amount { font-size: 44px; }
    .bonus-item { grid-template-columns: 1fr; }
    .sticky-cta-text { display: none; }
}