/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-bg: #FFFFFF;
    --color-surface: #F7F8FA;
    --color-border: #E6E8EC;
    --color-text-primary: #111827;
    --color-text-secondary: #6B7280;
    --color-accent: #14B8A6;
    --color-accent-hover: #0F9A8B;
    --color-accent-light: #F0FDFA;

    /* Primary CTA Button Colors */
    --color-primary-btn: #0F766E;
    --color-primary-btn-hover: #115E59;
    --color-primary-btn-active: #134E4A;

    /* Typography */
    --font-family: 'Poppins', -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-xxl: 4rem;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.nav-brand svg {
    display: block;
}

.nav-links {
    display: none;
    gap: var(--spacing-lg);
}

.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
    padding: var(--spacing-sm) 0;
}

.nav-links a:hover {
    color: var(--color-accent);
}

.nav-cta {
    display: flex;
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary-btn);
    color: white;
    border-color: var(--color-primary-btn);
}

.btn-primary:hover {
    background-color: var(--color-primary-btn-hover);
    border-color: var(--color-primary-btn-hover);
}

.btn-primary:active {
    background-color: var(--color-primary-btn-active);
    border-color: var(--color-primary-btn-active);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(to bottom, var(--color-bg) 0%, var(--color-surface) 100%);
}

.hero-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-left {
    max-width: 100%;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.trust-microcopy {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.browser-frame {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.browser-header {
    background-color: var(--color-surface);
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-border);
}

.browser-content {
    background-color: var(--color-bg);
}

.browser-content img {
    width: 100%;
    display: block;
}

.image-caption {
    text-align: center;
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

/* Credibility Strip */
.credibility-strip {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
    text-align: center;
}

.industry-pills {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.pill {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-accent);
}

.credibility-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Section Grid */
.section-grid-3 {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* Cards */
.card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: start;
    margin-bottom: var(--spacing-md);
}

.card-icon img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

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

.card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* What You Get */
.what-you-get {
    padding: var(--spacing-xxl) 0;
}

/* Problems → Outcomes */
.problems-outcomes {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-surface);
}

.two-column-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.two-column-grid h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.issue-list,
.outcome-list {
    list-style: none;
}

.issue-list li,
.outcome-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.issue-list li::before {
    content: "×";
    position: absolute;
    left: 0;
    color: #EF4444;
    font-weight: 600;
    font-size: 1.25rem;
}

.outcome-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1.25rem;
}

/* How It Works */
.how-it-works {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
}

.flow-diagram {
    display: flex;
    align-items: start;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.flow-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.flow-icon {
    margin: 0 auto var(--spacing-md);
    width: 64px;
    height: 64px;
}

.flow-step h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.flow-step p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--color-accent);
    display: none;
}

.flow-microcopy {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Use Cases */
.use-cases {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-surface);
}

.use-case-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.use-case-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.use-case-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.use-case-graphic {
    width: 100%;
    height: 150px;
    background-color: var(--color-accent-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    padding: var(--spacing-md);
}

.use-case-graphic img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    mix-blend-mode: multiply;
}

.use-case-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.use-case-card ul {
    list-style: none;
}

.use-case-card li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.use-case-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

/* Results */
.results {
    padding: var(--spacing-xxl) 0;
}

.results-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.result-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

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

.result-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Product Screenshots */
.product-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-surface);
}

.screenshot-gallery {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.screenshot-item {
    background-color: var(--color-bg);
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.screenshot-frame {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    max-width: 100%;
}

.screenshot-frame img {
    width: 100%;
    display: block;
}

.screenshot-caption {
    text-align: center;
    padding: var(--spacing-md) 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.product-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-style: italic;
}

/* Pilot Offer */
.pilot-offer {
    padding: var(--spacing-xxl) 0;
}

.pilot-card {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-bg) 100%);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.pilot-card h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.pilot-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.pilot-list li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    color: var(--color-text-primary);
    font-size: 1rem;
}

.pilot-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1.25rem;
}

/* FAQ */
.faq-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-surface);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    margin-top: var(--spacing-xl);
}

.faq-item {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: background-color 0.2s;
}

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

.faq-question svg {
    flex-shrink: 0;
    transition: transform 0.3s;
}

.faq-question[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--color-text-primary);
    color: var(--color-surface);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand p,
.footer-contact p,
.footer-optout p {
    color: var(--color-text-secondary);
}

.footer-brand img {
    filter: invert(1) grayscale(1) brightness(0.6);
    opacity: 0.7;
    mix-blend-mode: lighten;
}

.footer-tagline {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
}

.footer-contact strong {
    color: var(--color-surface);
}

.footer-contact p {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
}

.footer-contact a,
.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact a:hover,
.footer-links a:hover {
    color: var(--color-accent);
}

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

.footer-links a {
    font-size: 0.875rem;
}

.footer-optout {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-optout p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Responsive Design */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .two-column-grid {
        grid-template-columns: 1fr 1fr;
    }

    .flow-arrow {
        display: block;
        margin-top: 1rem;
    }

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

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

    .screenshot-gallery {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }

    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .footer-links {
        flex-direction: row;
        gap: var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }

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

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    width: 98%;
    height: 90%;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal.show .modal-content {
    transform: scale(1);
}

.close-btn {
    color: #aaa;
    position: absolute;
    right: 20px;
    top: 10px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
}

.close-btn:hover,
.close-btn:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
    background: rgba(255, 255, 255, 1);
}

#demo-frame {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-lg);
}