:root {
    --bg-color: #f4f4f4;
    --paper-color: #ffffff;
    --text-color: #222222;
    --headline-color: #111111;
    --accent-red: #d32f2f;
    --highlight-yellow: #fff59d;
    --border-color: #dddddd;
    --font-serif: 'Lora', serif;
    --font-sans: 'Open Sans', sans-serif;
    --font-mono: 'Courier Prime', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-serif);
    line-height: 1.6;
    font-size: 22px;
    /* Large base size for readability */
    -webkit-font-smoothing: antialiased;
}

/* Letter Container */
.letter-container {
    max-width: 800px;
    margin: 20px auto;
    background: var(--paper-color);
    padding: 40px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    border: 1px solid #e0e0e0;
}

/* Confidential Stamp */
.confidential-stamp {
    position: absolute;
    top: 20px;
    right: 20px;
    border: 3px solid #c00;
    color: #c00;
    padding: 5px 10px;
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 2px;
    transform: rotate(-8deg);
    opacity: 0.7;
    text-transform: uppercase;
    z-index: 10;
}

/* Header */
.letter-header {
    margin-bottom: 30px;
    border-bottom: 2px solid #000;
    padding-bottom: 15px;
}

.from-text {
    font-family: var(--font-mono);
    font-size: 18px;
    color: #555;
}

/* Typography */
h1.main-headline {
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 38px;
    line-height: 1.2;
    color: var(--headline-color);
    text-align: center;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.sub-headline-box {
    background: #fffde7;
    border: 2px dashed #fbc02d;
    padding: 25px;
    margin-bottom: 40px;
    border-radius: 8px;
}

.sub-headline {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 24px;
    color: #d32f2f;
    margin-bottom: 15px;
    text-align: center;
}

h2.section-title {
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 30px;
    color: var(--headline-color);
    margin-top: 50px;
    margin-bottom: 25px;
    line-height: 1.3;
}

h3 {
    font-family: var(--font-sans);
    font-weight: 700;
}

p {
    margin-bottom: 22px;
}

strong {
    font-weight: 700;
    color: #000;
}

/* Highlights & Colors */
.highlight-yellow {
    background-color: var(--highlight-yellow);
    padding: 2px 5px;
    border-radius: 3px;
}

.text-red {
    color: var(--accent-red);
}

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

.text-large {
    font-size: 26px;
}

/* Lists */
.bullet-list,
.check-list-red,
.cross-list,
.benefit-list {
    margin: 20px 0 30px 10px;
    list-style-type: none;
}

.bullet-list li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
}

.bullet-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
    font-size: 1.2em;
}

.check-list-red li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    font-weight: 600;
}

.check-list-red li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-red);
    font-weight: 800;
}

.cross-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.cross-list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: #999;
    font-weight: bold;
}

/* Panels */
.highlight-box {
    background: #ffebee;
    border-left: 6px solid var(--accent-red);
    padding: 25px;
    margin: 30px 0;
    font-style: italic;
}

.gray-panel {
    background: #f5f5f5;
    padding: 25px;
    border: 1px solid #ddd;
    margin: 30px 0;
}

.divider {
    text-align: center;
    font-size: 30px;
    color: #ccc;
    margin: 50px 0;
    letter-spacing: 15px;
}

.big-quote {
    font-size: 26px;
    text-align: center;
    font-weight: 600;
    border-top: 2px solid #eee;
    border-bottom: 2px solid #eee;
    padding: 30px 10px;
    margin: 40px 0;
}

.concept-highlight {
    background: #000;
    color: #fff;
    display: inline-block;
    padding: 10px 20px;
    font-size: 28px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 30px auto;
    width: 100%;
    text-align: center;
}

/* Product Reveal */
.product-reveal {
    text-align: center;
    border: 4px double #000;
    padding: 30px;
    margin: 40px 0;
}

.product-name {
    font-size: 34px;
    color: var(--accent-red);
    margin-bottom: 5px;
    text-transform: uppercase;
}

.product-sub {
    font-size: 22px;
    color: #555;
    font-weight: 400;
}

/* Offer Section */
.offer-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin: 50px 0;
}

.offer-box {
    border: 2px solid #ddd;
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
}

.offer-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #eee;
    background: #f9f9f9;
}

.offer-header h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.price-tag {
    font-size: 42px;
    font-weight: 800;
    font-family: var(--font-sans);
    color: #333;
}

.offer-content {
    padding: 30px;
}

.benefit-list li {
    margin-bottom: 15px;
    font-size: 18px;
    line-height: 1.4;
}

.star {
    color: #fbc02d;
    font-size: 1.2em;
}

/* Complete Plan Specifics */
.offer-box.complete {
    border: 3px solid var(--accent-red);
    box-shadow: 0 10px 30px rgba(211, 47, 47, 0.15);
    position: relative;
    transform: scale(1.02);
}

.best-choice-label {
    background: var(--accent-red);
    color: #fff;
    text-align: center;
    padding: 8px;
    font-weight: 700;
    font-family: var(--font-sans);
    text-transform: uppercase;
    font-size: 16px;
}

.complete .offer-header {
    background: #fff5f5;
}

.complete .price-tag {
    color: var(--accent-red);
}

.complete-intro {
    text-align: center;
    margin-bottom: 20px;
    font-size: 20px;
}

.price-comparison {
    text-align: center;
    margin: 20px 0;
}

.old-price {
    text-decoration: line-through;
    color: #999;
    font-size: 18px;
    margin-bottom: 0;
}

.new-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-red);
    margin-bottom: 0;
}

/* Buttons */
.btn-buy {
    display: block;
    width: 100%;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 20px;
    border-radius: 5px;
    transition: all 0.2s;
    text-transform: uppercase;
}

.basic-btn {
    background: #eee;
    color: #333;
    border: 1px solid #ccc;
}

.basic-btn:hover {
    background: #e0e0e0;
}

.complete-btn {
    background: #27ae60;
    /* Green for action */
    color: #fff;
    font-size: 24px;
    box-shadow: 0 5px 0 #219150;
    border: none;
}

.complete-btn:hover {
    background: #2ecc71;
    transform: translateY(-2px);
}

.complete-btn:active {
    transform: translateY(2px);
    box-shadow: none;
}

.pulse-anim {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(39, 174, 96, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(39, 174, 96, 0);
    }
}

/* Guarantee */
.guarantee-section {
    text-align: center;
    background: #f0f0f0;
    padding: 30px;
    border: 2px dashed #bbb;
    margin: 40px 0;
    border-radius: 10px;
}

/* Closing */
.closing-cta {
    margin-top: 50px;
}

.question {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-red);
}

.final-btn {
    background: var(--accent-red);
    color: #fff;
    font-size: 26px;
    margin-top: 30px;
    box-shadow: 0 5px 0 #b71c1c;
}

.final-btn:hover {
    background: #f44336;
}

.signature {
    margin-top: 50px;
    font-family: 'cursive';
    /* Fallback */
    font-size: 28px;
    color: #333;
}

.signature .role {
    font-family: var(--font-sans);
    font-size: 16px;
    color: #666;
    margin-top: 5px;
}

/* PS Section */
.ps-section {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 4px solid #000;
}

.ps-section h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #000;
}

.ps-point {
    background: #fff;
    border-left: 5px solid #d32f2f;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-radius: 0 8px 8px 0;
}

.ps-point h4 {
    font-family: var(--font-sans);
    font-weight: 800;
    font-size: 20px;
    color: #d32f2f;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ps-point p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #444;
}

.ps-point p:last-child {
    margin-bottom: 0;
}

.text-link-cta {
    display: block;
    text-align: center;
    font-size: 24px;
    font-weight: 800;
    color: var(--accent-red);
    text-decoration: underline;
    margin-top: 40px;
}

/* Urgency Section */
.urgency-section {
    background-color: #fff5f5;
    border: 3px solid #d32f2f;
    padding: 30px;
    margin: 40px 0;
    border-radius: 10px;
    position: relative;
    box-shadow: 0 0 20px rgba(211, 47, 47, 0.2);
}

.urgency-title {
    color: #d32f2f;
    text-transform: uppercase;
    font-size: 28px;
    text-align: center;
    margin-bottom: 20px;
    border-bottom: 2px solid #d32f2f;
    padding-bottom: 15px;
}

.timer-box {
    background: #000;
    color: #f00;
    font-family: var(--font-mono);
    font-size: 32px;
    font-weight: bold;
    text-align: center;
    padding: 15px;
    margin: 20px auto;
    border-radius: 5px;
    width: fit-content;
    min-width: 200px;
    box-shadow: 0 0 15px rgba(255, 0, 0, 0.3);
}

.urgency-btn {
    background: #d32f2f;
    color: #fff;
    font-size: 22px;
    margin-top: 30px;
    box-shadow: 0 5px 0 #b71c1c;
}

.urgency-btn:hover {
    background: #b71c1c;
}

/* Testimonials Section */
.testimonials-section {
    margin: 60px 0;
    padding-top: 40px;
    border-top: 4px solid #000;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.whatsapp-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    border: 1px solid #ddd;
    font-family: Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
}

.whatsapp-header {
    background: #075e54;
    color: #fff;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.whatsapp-header .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.whatsapp-header .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Sticky Menu Styles */
.sticky-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.menu-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    padding: 0 15px;
}

.menu-link {
    text-decoration: none;
    color: #333;
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.menu-link:hover {
    background: #f0f0f0;
    color: #000;
}

.menu-link.highlight {
    background: #c00;
    color: #fff;
}

.menu-link.highlight:hover {
    background: #a00;
}

@media (max-width: 600px) {
    .menu-container {
        gap: 5px;
        justify-content: space-between;
    }

    .menu-link {
        font-size: 10px;
        padding: 5px 6px;
    }
}

/* Adjust main container to prevent content from being hidden behind the fixed menu */
.letter-container {
    margin-top: 60px;
}

.whatsapp-header .user-info {
    flex: 1;
    line-height: 1.2;
}

.whatsapp-header .username {
    font-weight: bold;
    font-size: 16px;
    display: block;
}

.whatsapp-header .status {
    font-size: 12px;
    opacity: 0.8;
}

.whatsapp-body {
    background-color: #e5ddd5;
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 180px;
}

.message-bubble {
    background: #fff;
    padding: 10px 12px;
    border-radius: 0 10px 10px 10px;
    position: relative;
    max-width: 95%;
    align-self: flex-start;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    margin-bottom: 5px;
}

.message-bubble::before {
    content: "";
    position: absolute;
    top: 0;
    left: -10px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
    border-top-color: #fff;
    border-right-color: #fff;
    margin-top: 0;
}

.message-text {
    font-size: 15px;
    color: #333;
    margin-bottom: 5px;
    line-height: 1.4;
    font-family: Helvetica, Arial, sans-serif;
}

.message-time {
    font-size: 11px;
    color: #999;
    float: right;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.message-check {
    color: #34b7f1;
    font-size: 14px;
    line-height: 1;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        font-size: 20px;
    }

    .letter-container {
        padding: 25px 15px;
        margin: 0;
        width: 100%;
        border: none;
    }

    h1.main-headline {
        font-size: 30px;
    }

    .sub-headline {
        font-size: 20px;
    }

    .offer-box.complete {
        transform: none;
    }

    .confidential-stamp {
        font-size: 10px;
        right: 10px;
        top: 10px;
    }

    .urgency-title {
        font-size: 22px;
    }

    .timer-box {
        font-size: 26px;
    }
}