/* Base Variables and Resets */
:root {
    --primary: #2596be;
    --primary-hover: #1f7fa2;
    --primary-light: rgba(37, 150, 190, 0.1);
    --text-main: #111827;
    --text-muted: #6b7280;
    --bg-main: #ffffff;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Offset for sticky nav */
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    letter-spacing: -0.025em;
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
p { color: var(--text-muted); }
/* Layout & Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.section {
    padding: 5rem 0;
}
.bg-light {
    background-color: var(--bg-light);
}
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem auto;
}
.section-header p {
    font-size: 1.125rem;
}
.mt-4 { margin-top: 2rem; }
.justify-center { justify-content: center; }
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
}
.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 150, 190, 0.39);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 150, 190, 0.23);
}
.btn-secondary {
    background-color: white;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--bg-light);
    border-color: #d1d5db;
}
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: var(--radius-lg);
    background-color: var(--bg-light);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}
.btn-icon:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-light);
}
.primary-action-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition);
}
.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.025em;
}
.nav-links {
    display: flex;
    gap: 2rem;
}
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--primary);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
}
.mobile-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    box-shadow: var(--shadow-md);
    flex-direction: column;
    gap: 1rem;
}
.mobile-menu.active {
    display: flex;
}
.mobile-link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: background-color 0.2s;
}
.mobile-link:hover {
    background-color: var(--bg-light);
}
.mobile-cta {
    width: 100%;
    margin-top: 0.5rem;
}
/* Hero Section */
.hero {
    padding-top: calc(72px + 4rem);
    padding-bottom: 5rem;
    overflow: hidden;
}
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.compliance-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.headline {
    margin-bottom: 1.5rem;
}
.subtext {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    max-width: 480px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}
/* Hero Visual Placeholder */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}
.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #ffffff, #f3f4f6);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        inset 0 0 0 4px #e5e7eb,
        inset 0 0 0 6px #ffffff;
    position: relative;
}
.phone-screen {
    width: 100%;
    height: 100%;
    background-color: white;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.phone-header {
    height: 60px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
}
.mockup-logo { width: 80px; height: 16px; background-color: var(--bg-light); border-radius: 4px; }
.mockup-menu { width: 24px; height: 24px; background-color: var(--bg-light); border-radius: 4px; }
.mockup-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.mockup-bar {
    height: 48px;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    border: 1px dashed #d1d5db;
}
.mockup-card {
    height: 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(37, 150, 190, 0.05) 100%);
    border-radius: var(--radius-md);
}
.mockup-button {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background-color: var(--primary);
    border-radius: 50%;
    box-shadow: 0 10px 15px -3px rgba(37, 150, 190, 0.4);
}
/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.step-card {
    background-color: white;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}
.step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.step-number {
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}
/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.feature-tile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.feature-tile:hover {
    border-color: var(--primary-light);
    background-color: rgba(37, 150, 190, 0.02);
}
.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}
.disclaimer-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
}
/* Supported Sources Card */
.box-card {
    background: linear-gradient(135deg, white 0%, var(--bg-light) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
/* Privacy & Security */
.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}
.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.check-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.125rem;
    font-weight: 500;
    padding: 1rem;
    background-color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
}
/* Accordions */
.accordions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.accordion-item {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s;
}
.accordion-header:hover {
    background-color: var(--bg-light);
}
.accordion-icon {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}
.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.accordion-inner {
    padding: 0 1.5rem 1.5rem 1.5rem;
}
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}
/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.testimonial-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}
.stars {
    color: #fbbf24;
    font-size: 1.25rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}
.quote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--text-main);
}
/* Final CTA */
.final-cta-section {
    padding: 6rem 0;
}
.final-cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, #1a6f8e 100%);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}
.final-cta-box h2, .final-cta-box p {
    color: white;
}
.final-cta-box .btn-primary {
    background-color: white;
    color: var(--primary);
}
.final-cta-box .btn-primary:hover {
    background-color: var(--bg-light);
}
.final-cta-box .btn-icon {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}
.final-cta-box .btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.3);
}
.compliance-text-sub {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}
/* Footer */
.footer {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}
.footer-logo {
    display: block;
    margin-bottom: 1rem;
}
.footer-text {
    max-width: 300px;
}
.footer h3 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}
.footer-link-item {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}
.footer-link-item:hover {
    color: var(--primary);
}
.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}
/* Animations & Interactions */
.cta-pulse {
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--text-main);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.95rem;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 2000;
    box-shadow: var(--shadow-md);
}
.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}
/* Responsive */
@media (max-width: 991px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .subtext {
        margin-left: auto;
        margin-right: auto;
    }
}
@media (max-width: 768px) {
    .nav-links, .nav-actions .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero {
        padding-top: calc(72px + 2rem);
    }
    
    .primary-action-group {
        width: 100%;
        justify-content: center;
    }
    
    .primary-action-group .btn-large {
        flex: 1;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn-secondary {
        width: 100%;
    }
}