/* ===========================
   CSS Variables - Pure Grayscale
   =========================== */
:root {
    /* Backgrounds */
    --bg-white: #f8fafc;
    --bg-light: #f8fafc;
    --bg-card: #ffffff;

    /* Text Colors */
    --text-dark: #0a0a0a;
    --text-body: #1a1a1a;
    --text-muted: #6b7280;
    --text-light: #9ca3af;

    /* Grayscale Accents (No Color) */
    --accent-primary: #0a0a0a;
    --accent-primary-hover: #374151;

    /* Borders & Dividers */
    --border-subtle: #e5e7eb;
    --border-medium: #d1d5db;

    /* Shadows - Minimal */
    --shadow-subtle: rgba(0, 0, 0, 0.03);
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-section: 120px;
    --spacing-section-large: 160px;
    --spacing-content: 2.5rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-white);
    color: var(--text-body);
    line-height: 1.6;
    font-size: 16px;
}

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

h1 {
    font-size: 5rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1rem;
}

p {
    font-size: 1.2rem;
    line-height: 1.8;
}

/* ===========================
   Header / Navigation
   =========================== */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
}

/* ===========================
   Section Styles
   =========================== */
section {
    padding: var(--spacing-section) 20px;
}

/* ===========================
   Numbered Section System
   =========================== */
.numbered-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-section) 2rem;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 4rem;
    align-items: start;
}

.section-number {
    font-size: 5rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--border-subtle);
    line-height: 1;
    padding-top: 0;
}

.section-content {
    text-align: left;
}

.section-content h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.section-content p {
    margin-bottom: 1.5rem;
}

.section-content ol li,
.section-content ul li {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    margin-left: 1.5rem;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

/* ===========================
   Hero Section
   =========================== */
.hero-section {
    padding: 200px 20px 240px;
    text-align: center;
    background: transparent;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section h1 {
    font-size: 5rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
    color: var(--text-dark);
    margin-bottom: 2.5rem;
}

.hero-section p {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ===========================
   Buttons
   =========================== */
button, .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: var(--accent-primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    box-shadow: none;
    transition: all 0.2s ease;
    cursor: pointer;
    font-family: var(--font-family);
}

button svg, .btn-primary svg {
    width: 18px;
    height: 18px;
    stroke-width: 2.5;
}

button:hover, .btn-primary:hover {
    background-color: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    border-radius: 8px;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: var(--font-family);
}

.btn-secondary:hover {
    background-color: var(--accent-primary);
    color: #ffffff;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
}

/* ===========================
   Social Proof Banner
   =========================== */
.social-proof-banner {
    background: var(--bg-light);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.social-proof-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.social-proof-content .separator {
    opacity: 0.3;
}

/* ===========================
   Final CTA Section
   =========================== */
.final-cta-section {
    text-align: center;
    padding: var(--spacing-section-large) 2rem;
    background: transparent;
}

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

.final-cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.final-cta-section p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.final-cta-section .cta-meta,
.hero-section .cta-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 1rem;
    margin-bottom: 0;
}

/* ===========================
   Disqualifier Section
   =========================== */
.disqualifier-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.disqualifier-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1.5rem;
    align-items: start;
    opacity: 0.85;
}

.disqualifier-icon {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.disqualifier-item h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.5rem;
}

.disqualifier-item p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===========================
   "This is for you" Section
   =========================== */
.qualifier-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.qualifier-item {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 1.5rem;
    align-items: start;
}

.qualifier-icon {
    font-size: 1.5rem;
    color: var(--text-dark);
}

.qualifier-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2.5;
}

.qualifier-item h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.5rem;
}

.qualifier-item p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===========================
   Questions Section
   =========================== */
.questions-section {
    background-color: var(--bg-light);
}

.questions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.question-card {
    background: var(--bg-card);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: left;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.question-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.question-card h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

/* ===========================
   Problems & Benefits Sections
   =========================== */
.problems-section,
.benefits-section {
    background-color: var(--bg-light);
    text-align: center;
}

.problems-section > p,
.benefits-section > p {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.problems-section ol,
.benefits-section ul,
.offer-section ul {
    list-style-position: inside;
    text-align: left;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0;
}

.problems-section ol li,
.benefits-section ul li,
.offer-section ul li {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

/* ===========================
   About Section
   =========================== */
.about-section {
    background-color: var(--bg-light);
    text-align: center;
}

.about-section p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    line-height: 1.8;
}

.about-section .highlight {
    color: var(--text-dark);
    font-weight: var(--font-weight-bold);
}

/* ===========================
   Testimonials Section
   =========================== */
.testimonials-section {
    background-color: var(--bg-white);
    padding: var(--spacing-section) 2rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.testimonial-card {
    background: transparent;
    padding: 2rem;
    border-radius: 0;
    text-align: left;
    border: none;
    border-left: 3px solid var(--text-dark);
    box-shadow: none;
    transition: none;
}

.testimonial-card:hover {
    transform: none;
    box-shadow: none;
}

.testimonial-quote {
    font-size: 1.2rem;
    color: var(--text-body);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-style: italic;
}

.testimonial-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author {
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    font-size: 1rem;
}

.testimonial-role {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ===========================
   Offer Section
   =========================== */
.offer-section {
    background-color: var(--bg-light);
    text-align: center;
}

.offer-section > p {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.offer-section strong {
    color: var(--text-dark);
    font-weight: var(--font-weight-bold);
}

.offer-section button {
    margin-top: 1rem;
}

/* ===========================
   Guarantee Section
   =========================== */
.guarantee-section {
    background-color: var(--bg-white);
    text-align: center;
}

.guarantee-section h2 {
    color: var(--text-dark);
}

.guarantee-section p {
    font-size: 1.2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* ===========================
   FAQ Section
   =========================== */
.faq-section {
    background-color: var(--bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 3rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: left;
}

.faq-card {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 5px 20px var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.faq-card h3[data-accordion="toggle"] {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 100%;
    box-sizing: border-box;
    color: var(--text-dark);
    line-height: 1.2;
}

.faq-card h3[data-accordion="toggle"] > span:first-child {
    flex: 1;
    min-width: 0;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease-in-out;
    color: var(--text-dark);
    flex-shrink: 0;
}

.faq-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.faq-card.active .faq-icon {
    transform: rotate(45deg);
}

.faq-card.active {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 2rem;
}

.faq-answer p {
    font-size: 1rem;
    margin: 0;
    padding: 0 0 1.5rem 0;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===========================
   Footer
   =========================== */
.footer-section {
    background-color: var(--bg-light);
    padding: 40px 20px;
    text-align: center;
}

.footer-section p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

/* ===========================
   Responsive Design
   =========================== */

/* Tablet */
@media (max-width: 768px) {
    .hero-section {
        padding: 120px 20px 150px;
    }

    .hero-section h1 {
        font-size: 3rem;
        letter-spacing: -0.01em;
        margin-bottom: 2rem;
    }

    .hero-section p {
        font-size: 1.2rem;
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    section {
        padding: 80px 20px;
    }

    /* Numbered sections responsive */
    .numbered-section {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 80px 1.5rem;
    }

    .section-number {
        font-size: 3.5rem;
        padding-top: 0;
    }

    .header-container {
        padding: 0 1.5rem;
    }

    .questions-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .social-proof-content {
        gap: 1rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-section {
        padding: 80px 15px 100px;
        min-height: auto;
    }

    .hero-section h1 {
        font-size: 2.5rem;
        letter-spacing: -0.01em;
        margin-bottom: 1.5rem;
    }

    .hero-section p {
        font-size: 1.2rem;
        margin-bottom: 2rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    button, .btn-primary, .btn-secondary {
        padding: 1rem 1.5rem;
        font-size: 0.938rem;
        width: 100%;
        justify-content: center;
    }

    .btn-small {
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
    }

    section {
        padding: 60px 15px;
    }

    .numbered-section {
        padding: 60px 1.25rem;
        gap: 1rem;
    }

    .section-number {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .question-card,
    .testimonial-card {
        padding: 1.5rem;
    }

    .faq-card h3[data-accordion="toggle"] {
        padding: 1.25rem 1.5rem;
        font-size: 1.125rem;
    }

    .faq-answer {
        padding: 0 1.5rem;
    }

    p {
        font-size: 1rem;
    }

    .social-proof-content {
        flex-direction: column;
        gap: 0.5rem;
    }

    .social-proof-content .separator {
        display: none;
    }

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