/* ==========================================
   RESET & BASE STYLES
   ========================================== */

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

:root {
    /* Colors */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-warning: #fbbf24;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   NAVIGATION
   ========================================== */

.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    color: var(--color-text);
}

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

.cta-btn-nav {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ==========================================
   BUTTONS
   ========================================== */

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: var(--font-primary);
}

.cta-btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.cta-btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.cta-btn-primary:active {
    transform: translateY(0);
}

.cta-btn-checkout {
    width: 100%;
    justify-content: center;
    background: var(--color-success);
    color: white;
    padding: 1.25rem 2rem;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
}

.cta-btn-checkout:hover {
    background: var(--color-success-dark);
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero-value {
    padding: var(--spacing-md);
    background: white;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
}

.hero-value p {
    font-size: 1rem;
    color: var(--color-text);
    margin: 0;
}

.hero-cta {
    margin-bottom: var(--spacing-xl);
}

.cta-subtext {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-align: center;
}

.hero-trust {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text);
}

.trust-item svg {
    flex-shrink: 0;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   VALUE SECTION
   ========================================== */

.value-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg);
}

.value-box {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: var(--radius-xl);
    text-align: center;
}

.value-box h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.value-box p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ==========================================
   AUDIENCE SECTION
   ========================================== */

.audience-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-alt);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.audience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.audience-card {
    padding: var(--spacing-xl);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
}

.audience-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.audience-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.audience-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.audience-card p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ==========================================
   OUTCOMES SECTION
   ========================================== */

.outcomes-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.outcomes-list {
    max-width: 900px;
    margin: 0 auto;
}

.outcome-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.outcome-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.5;
}

.outcome-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.outcome-content p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.outcome-impact {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: #dbeafe;
    color: var(--color-primary-dark);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==========================================
   INVESTMENT SECTION
   ========================================== */

.investment-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-alt);
}

.investment-box {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.investment-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.investment-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.investment-header p {
    font-size: 1rem;
    color: var(--color-text-light);
}

.investment-calc {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.calc-label {
    font-size: 1rem;
    color: var(--color-text-light);
}

.calc-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

.calc-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-md) 0;
}

.calc-result {
    padding-top: var(--spacing-md);
}

.calc-result .calc-label {
    font-weight: 600;
    color: var(--color-text);
}

.calc-highlight {
    color: var(--color-success);
    font-size: 1.5rem;
}

.investment-footer {
    text-align: center;
    font-size: 1rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ==========================================
   OFFER SECTION
   ========================================== */

.offer-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.offer-box {
    max-width: 700px;
    margin: 0 auto;
}

.offer-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: var(--spacing-lg);
}

.offer-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.offer-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
}

.pricing-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-alt);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.price-main {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
}

.price-currency {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 0.5rem;
}

.price-amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
}

.price-period {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

.price-compare {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.price-regular {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-decoration: line-through;
}

.price-save {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-success);
    color: white;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-features {
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: 1rem;
    color: var(--color-text);
}

.feature-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.offer-why {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.offer-why h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.why-grid {
    display: grid;
    gap: var(--spacing-md);
}

.why-item {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.why-item strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ==========================================
   GUARANTEE SECTION
   ========================================== */

.guarantee-section {
    padding: var(--spacing-2xl) 0;
    background: #f0fdf4;
}

.guarantee-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.guarantee-icon {
    margin-bottom: var(--spacing-lg);
}

.guarantee-box h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.guarantee-box p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.guarantee-subtext {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ==========================================
   FAQ SECTION
   ========================================== */

.faq-section {
    padding: var(--spacing-3xl) 0;
    background: white;
}

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

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

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: color 0.2s ease;
}

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

.faq-arrow {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--spacing-lg);
}

.faq-answer p {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ==========================================
   FINAL CTA
   ========================================== */

.final-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    text-align: center;
}

.final-cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.final-cta > p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.final-subtext {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--color-text);
    color: white;
}

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

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo-text {
    color: white;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-legal {
    font-size: 0.875rem;
    color: #9ca3af;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (min-width: 640px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-trust {
        flex-direction: row;
        justify-content: space-between;
    }

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

    .why-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2.75rem;
    }
}

@media (min-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }

    .hero-title {
        font-size: 4rem;
    }

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

    .outcome-item {
        gap: var(--spacing-xl);
    }
}

@media (min-width: 1280px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

/* ==========================================
   UTILITIES
   ========================================== */

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

/* Loading state for checkout button */
.cta-btn-checkout.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.cta-btn-checkout.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}