@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;800&family=Roboto:wght@400;500&display=swap');

:root {
    /* Neuro-Design Predatory Palette */
    --primary-dark: #0D1B2A; /* Trust, Security, Depth */
    --primary-turquoise: #43AA8B; /* Action, Positivity */
    --pastel-white: #F7F7F7; /* Reading comfort */
    --light-purple: #E5E5EA; /* Sophistication */
    --neutral-gray: #D8DEE9; /* Balance */
    --cta-orange: #FF6B6B; /* High urgency, Action-demanding (Coral/Orange) */
    --cta-hover: #FF8787;
    
    --glass-bg: rgba(13, 27, 42, 0.6);
    --glass-border: rgba(67, 170, 139, 0.3);
}

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

body {
    background-color: var(--primary-dark);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(67, 170, 139, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 107, 107, 0.1), transparent 25%);
    color: var(--pastel-white);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Subtle Grain Effect for Organic Feel */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-image: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)" opacity="0.05"/%3E%3C/svg%3E');
    pointer-events: none;
    z-index: 9999;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
}

.text-glow-red { color: var(--cta-orange); }
.text-glow-blue { color: var(--primary-turquoise); }
.text-accent { color: var(--primary-turquoise); }
.text-center { text-align: center; }

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 30px;
    position: relative;
    z-index: 10;
}

.section {
    padding: 100px 0;
    border-bottom: 1px solid rgba(216, 222, 233, 0.05);
}

/* Neuro-Design Glassmorphism */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 0 0 1px rgba(255,255,255,0.05);
}

/* 3D TILT CONTAINERS */
.tilt-container {
    perspective: 1000px;
    transform-style: preserve-3d;
}

.tilt-element {
    transition: transform 0.3s ease-out;
    transform: translateZ(20px);
}

.hero-book, .feature-book {
    width: 100%;
    max-width: 420px;
    margin: 30px auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 40px rgba(67, 170, 139, 0.2);
    transition: transform 0.5s ease;
}

.hero-book:hover {
    transform: translateY(-10px) scale(1.02);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 0;
}

.badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(67, 170, 139, 0.1);
    border: 1px solid var(--primary-turquoise);
    color: var(--primary-turquoise);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 25px;
    text-transform: uppercase;
    box-shadow: 0 0 15px rgba(67, 170, 139, 0.3);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.main-title {
    font-size: 4.5rem;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #FFFFFF, var(--neutral-gray));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--neutral-gray);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Persuasive CTAs (Call To Action) */
.btn {
    display: inline-block;
    padding: 22px 45px;
    font-family: 'Inter', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* Bouncy transition */
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cta-orange), #FF4757);
    color: #fff;
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 15px 35px rgba(255, 107, 107, 0.6);
}

@keyframes critical-pulse {
    0% { transform: scale(1); box-shadow: 0 0 20px rgba(255, 71, 87, 0.4); }
    100% { transform: scale(1.05); box-shadow: 0 0 50px rgba(255, 71, 87, 0.8); }
}

.btn-critical {
    background: #FF4757;
    color: #fff;
    animation: critical-pulse 0.6s infinite alternate;
}

.btn-block {
    display: block;
    width: 100%;
}

.sub-btn-text {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--neutral-gray);
}

/* Sections General */
.section-title {
    font-size: 3rem;
    margin-bottom: 50px;
    color: var(--pastel-white);
}

.split-layout {
    display: flex;
    align-items: center;
    gap: 80px;
}

.split-layout.reverse {
    flex-direction: row-reverse;
}

.text-col, .image-col {
    flex: 1;
}

.product-subtitle {
    color: var(--primary-turquoise);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    margin-bottom: 40px;
}

.feature-list li {
    margin-bottom: 18px;
    padding-left: 35px;
    position: relative;
    font-size: 1.15rem;
    color: var(--neutral-gray);
    font-weight: 500;
}

.feature-list li::before {
    content: "✓";
    color: var(--primary-turquoise);
    position: absolute;
    left: 0;
    top: 2px;
    font-weight: 900;
    font-size: 1.2rem;
}

/* 3D Interactive Flipbook */
.book-scene {
    perspective: 1500px;
    width: 100%;
    max-width: 400px; /* Reduced width for a closed book look initially */
    height: 500px;
    margin: 0 auto;
    position: relative;
    display: flex;
    justify-content: center;
}

.book {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.book-page {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transform-origin: left center;
    transition: transform 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    cursor: pointer;
    box-shadow: 5px 0 10px rgba(0,0,0,0.2);
}

.front, .back {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    background: #fdfdfd;
    color: #1a1a1a;
    border: 1px solid #ddd;
    overflow: hidden;
    border-radius: 2px 10px 10px 2px;
}

.back {
    transform: rotateY(180deg);
    border-radius: 10px 2px 2px 10px;
}

.page-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.page-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #333;
}

.chapter-title {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--cta-orange);
    padding-bottom: 5px;
}

.cover-style {
    background: var(--primary-dark);
    color: var(--pastel-white);
    border: 2px solid var(--primary-turquoise);
    text-align: center;
}

.cover-style h3 { color: var(--pastel-white); font-size: 1.2rem;}
.cover-style p { color: var(--neutral-gray); }

.click-hint {
    display: inline-block;
    margin-top: 30px;
    font-size: 0.85rem;
    color: var(--primary-turquoise);
    animation: blink 2s infinite;
}

.page-number {
    position: absolute;
    bottom: 15px;
    right: 20px;
    font-size: 0.8rem;
    color: #999;
}

.back .page-number {
    left: 20px;
    right: auto;
}

.flipped {
    transform: rotateY(-180deg);
}

/* Z-Index mapping for book pages */
#page1 { z-index: 3; }
#page2 { z-index: 2; }
#page3 { z-index: 1; }

.fade-overlay-book {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 250px;
    background: linear-gradient(transparent, #fdfdfd 50%, #fdfdfd 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding-bottom: 30px;
    text-align: center;
    z-index: 10;
}

/* Pricing Card */
.pricing-card {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(180deg, rgba(13,27,42,0.9) 0%, rgba(13,27,42,0.95) 100%);
    border: 2px solid var(--primary-turquoise);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 30px rgba(67, 170, 139, 0.15);
}

.price-header {
    text-align: center;
    margin-bottom: 30px;
}

.old-price {
    font-size: 1.5rem;
    color: var(--neutral-gray);
    text-decoration: line-through;
    margin-bottom: 5px;
    opacity: 0.7;
}

.new-price-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.new-price {
    font-size: 5.5rem;
    color: var(--pastel-white);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    text-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.installments {
    font-size: 1.2rem;
    color: var(--primary-turquoise);
    font-weight: 700;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Countdown Timer */
.countdown-wrapper {
    margin: 30px 0;
    text-align: center;
    background: rgba(0,0,0,0.2);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.05);
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--cta-orange);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.time-box {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    min-width: 80px;
    border: 1px solid rgba(255,255,255,0.1);
}

.time-box span {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--pastel-white);
    line-height: 1;
}

.time-box small {
    font-size: 0.8rem;
    color: var(--neutral-gray);
    font-weight: 700;
    margin-top: 5px;
}

.time-separator {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-turquoise);
    animation: blink 1s infinite;
}

.scarcity-warning {
    text-align: center;
    margin-bottom: 30px;
    padding: 15px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.scarcity-warning p {
    font-size: 1.1rem;
    color: var(--pastel-white);
    font-weight: 500;
}

.whats-included {
    margin-bottom: 40px;
    text-align: left;
    background: rgba(255,255,255,0.03);
    padding: 25px;
    border-radius: 12px;
}

.whats-included h4 {
    margin-bottom: 20px;
    color: var(--primary-turquoise);
    font-size: 1.1rem;
}

.whats-included ul {
    list-style: none;
}

.whats-included ul li {
    margin-bottom: 12px;
    font-size: 1.05rem;
    color: var(--neutral-gray);
    font-weight: 500;
}

.security-text {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--neutral-gray);
    opacity: 0.8;
}

/* Footer */
footer {
    padding: 40px 20px;
    background: #08111A;
    font-size: 0.9rem;
    color: var(--neutral-gray);
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.disclaimer {
    margin-top: 15px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Animations */
.hidden-element {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.show-element {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Responsive */
@media (max-width: 900px) {
    .main-title { font-size: 3.2rem; }
    .split-layout, .split-layout.reverse { flex-direction: column; gap: 50px; }
}

.checkout-actions {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--cta-orange);
    color: var(--pastel-white);
    box-shadow: none;
    padding: 22px 45px;
}

.btn-secondary:hover {
    background: rgba(255, 107, 107, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.2);
}