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

:root {
    /* Colors */
    --primary-color: #0B2545;  /* Deep Blue */
    --primary-dark: #081A35;   /* Darker Deep Blue */
    --primary-light: #2E4A6B;  /* Lighter Deep Blue */
    --secondary-color: #4AD991; /* Emerald Green */
    --secondary-dark: #3BC47A;  /* Darker Emerald Green */
    --secondary-light: #6FE4A8; /* Lighter Emerald Green */
    --accent-blue: #0B6CF0;     /* Accent Deep Blue */
    --accent-color: #4AD991;    /* Emerald Green accent */
    --text-primary: #212121;    /* Text/Heading color */
    --text-secondary: #666666;  /* Secondary text */
    --text-light: #9CA3AF;     /* Light text */
    --background: #F9FAFB;      /* Neutral light */
    --background-paper: #FFFFFF; /* Pure white for cards */
    --background-dark: #1A1A1A; /* Neutral dark */
    --border-color: #E5E7EB;    /* Light border */
    --gradient-primary: linear-gradient(135deg, #0B2545 0%, #2E4A6B 100%);
    --gradient-accent: linear-gradient(135deg, #4AD991 0%, #0B6CF0 100%);
    --gradient-hero: linear-gradient(135deg, #4AD991 0%, #0B2545 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 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), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* Accessibility: Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    z-index: 9999;
    border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Enhanced Focus States for Accessibility */
a:focus,
button:focus,
.btn:focus,
.nav-link:focus {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

.hamburger:focus {
    outline: 3px solid var(--secondary-color);
    outline-offset: 4px;
}

/* Ensure focus is visible even on interactive elements */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 48px; /* WCAG 2.1 AA minimum touch target */
    min-width: 48px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

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

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

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

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-lg) 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: white;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
}

.navbar.scrolled .nav-link {
    color: var(--text-primary);
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo {
    height: auto;
    width: 180px;
    max-width: 180px;
    object-fit: contain;
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: white !important;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    color: white !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--spacing-xs);
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: #212121;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 160px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, rgba(74, 217, 145, 0.08) 0%, rgba(11, 37, 69, 0.03) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(74, 217, 145, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(11, 108, 240, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    width: 100%;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    text-align: center;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-description {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

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

.hero-img {
    max-width: 100%;
    height: auto;
}

/* Privacy notices */
.hero-privacy-notice,
.cta-privacy-notice {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.hero-privacy-notice a,
.cta-privacy-notice a {
    color: var(--primary-color);
    text-decoration: underline;
}

.cta-privacy-notice {
    color: rgba(255, 255, 255, 0.8);
}

.cta-privacy-notice a {
    color: white;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: white;
}

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

.feature-card {
    padding: var(--spacing-xl);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-color);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
    margin-bottom: var(--spacing-lg);
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-icon svg {
    width: 36px;
    height: 36px;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

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

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--background);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.step {
    text-align: center;
    position: relative;
    padding: var(--spacing-xl);
    background: #ffffff !important;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e5e5;
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    color: #1a1a1a !important;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.step-content p {
    color: #333333 !important;
    line-height: 1.6;
    font-weight: 400;
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--background-paper);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-story {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-3xl) 0;
    background: var(--background);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.pricing-card {
    background: var(--background-paper);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.pricing-card.featured {
    border: 2px solid var(--secondary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

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

.pricing-price .price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary-secondary);
}

.pricing-price .period {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    flex-grow: 1;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

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

.pricing-card .btn {
    width: 100%;
    margin-top: auto;
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-3xl);
    line-height: 1.2;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: white;
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

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

.cta .btn-primary::before {
    display: none;
}

.cta .btn-outline {
    border-color: white;
    color: white;
}

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

/* Footer */
.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: #d1d5db;
    transition: color 0.2s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-section p {
    color: #d1d5db;
}

.footer-logo .logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid #374151;
    text-align: center;
    color: #d1d5db;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-privacy-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.footer-privacy-link {
    color: #d1d5db;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-privacy-link:hover {
    color: white;
}

.cookie-settings {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    padding: 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Responsive Hero Adjustments */
@media (max-width: 768px) {
    .hero {
        min-height: 80vh;
        padding: 80px 0;
    }
    
    .hero-container {
        max-width: 90%;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .nav-logo .logo {
        width: 160px;
        height: auto;
        max-width: 160px;
    }
    
    .navbar {
        padding: var(--spacing-lg) 0;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .nav-logo .logo {
        width: 140px;
        height: auto;
        max-width: 140px;
    }
    
    .navbar {
        padding: var(--spacing-md) 0;
    }
}