/* ===========================================
   FLOWLY LANDING - MODERN MINIMAL DESIGN
   =========================================== */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --bg-white: #FFFFFF;
    --bg-gray: #F9FAFB;
    --bg-light: #F3F4F6;
    --border: #E5E7EB;
    --success: #10B981;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px;
    --section-padding-mobile: 48px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

main {
    min-height: 60vh;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === NAVIGATION === */
.navbar {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 20px;
}

.logo-icon {
    font-size: 24px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

.mobile-menu {
    display: none;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 12px 0;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 15px;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* === HERO SECTION === */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-gray) 0%, var(--bg-white) 100%);
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hero-note {
    font-size: 14px;
    color: var(--text-muted);
}

/* === SECTIONS === */
section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 48px;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.page-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    text-align: center;
}

/* === FEATURES === */
.features {
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === HOW IT WORKS === */
.how-it-works {
    background: var(--bg-gray);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    margin: 48px 0;
}

.step {
    display: flex;
    gap: 20px;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
}

.cta-center {
    text-align: center;
    margin-top: 48px;
}

/* === PRICING === */
.pricing-hero {
    padding: 80px 0 40px;
    background: linear-gradient(180deg, var(--bg-gray) 0%, var(--bg-white) 100%);
}

.pricing-teaser {
    background: var(--bg-gray);
}

.pricing-simple {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin: 48px 0;
}

.price-card {
    padding: 32px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid var(--border);
    transition: all 0.2s;
}

.price-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.price-card.featured {
    border-color: var(--primary);
    position: relative;
}

.price-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.price-card .price {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.price-card .price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
}

.price-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* === PRICING PAGE === */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-price {
    margin: 16px 0;
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
}

.price-period {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 15px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--bg-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* === FAQ === */
.faq {
    background: var(--bg-gray);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.faq-item {
    background: var(--bg-white);
    padding: 24px;
    border-radius: var(--radius-md);
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === FINAL CTA === */
.final-cta {
    text-align: center;
    padding: 80px 0;
    background: var(--bg-gray);
}

.final-cta h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.final-cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* === FOOTER === */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: white;
    margin-bottom: 8px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .page-title {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .pricing-simple,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 15px;
    }
}