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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Page Management */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: #2563eb;
}

.logo {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-link:hover {
    color: #2563eb;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border-color: #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border-color: #2563eb;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

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

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 580px;
    background: #000;
    border-radius: 40px;
    padding: 20px;
    position: relative;
    transform: rotate(5deg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: rotate(5deg) translateY(0px); }
    50% { transform: rotate(5deg) translateY(-20px); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #f8fafc;
    border-radius: 30px;
    overflow: hidden;
}

.app-preview {
    padding: 30px 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.preview-header {
    text-align: center;
    margin-bottom: 30px;
}

.preview-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

.preview-chart {
    flex: 1;
    position: relative;
    margin-bottom: 30px;
}

.chart-line {
    width: 100%;
    height: 120px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20,100 Q60,40 100,60 T180,30 T240,50' stroke='%232563eb' stroke-width='3' fill='none'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.chart-dots {
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
}

.chart-dots span {
    width: 8px;
    height: 8px;
    background: #2563eb;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.chart-dots span:nth-child(2) { animation-delay: 0.5s; }
.chart-dots span:nth-child(3) { animation-delay: 1s; }
.chart-dots span:nth-child(4) { animation-delay: 1.5s; }

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.preview-stats {
    display: flex;
    justify-content: space-around;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 18px;
    font-weight: 700;
    color: #1f2937;
}

.stat-label {
    font-size: 12px;
    color: #6b7280;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.app-store-btn img {
    height: 60px;
    transition: transform 0.3s ease;
}

.app-store-btn:hover img {
    transform: scale(1.05);
}

.download-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Support Page */
.support-hero {
    margin-top: 80px;
    padding: 80px 0 40px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    color: white;
    text-align: center;
}

.support-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Privacy Policy Page */
.privacy-hero {
    margin-top: 80px;
    padding: 80px 0 40px;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
    text-align: center;
}

.privacy-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.privacy-hero p {
    font-size: 1.1rem;
    opacity: 0.8;
}

.support-content {
    padding: 60px 0;
}

.support-section {
    margin-bottom: 4rem;
}

.support-section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1f2937;
}

.privacy-content {
    padding: 60px 0;
}

.privacy-sections {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.privacy-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 0.5rem;
}

.privacy-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
    color: #374151;
}

.privacy-section p {
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.privacy-section ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.privacy-section li {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.privacy-section strong {
    color: #374151;
    font-weight: 600;
}

.contact-info {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: #374151;
}

.privacy-section a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

.privacy-section a:hover {
    text-decoration: underline;
}

/* FAQ */
.faq-list {
    max-width: 800px;
}

.faq-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background: #f9fafb;
}

.faq-question h3 {
    font-weight: 600;
    color: #1f2937;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #6b7280;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: #6b7280;
    line-height: 1.6;
}

/* Getting Started Steps */
.guide-steps {
    max-width: 600px;
}

.step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h3 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.step-content p {
    color: #6b7280;
}

/* Contact Options */
.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.contact-card h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.contact-card p {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.25rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
    cursor: pointer;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .phone-mockup {
        width: 200px;
        height: 420px;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
    }
}